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open-consul
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open-consul/agent/agent_test.go

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package agent
import (
"bytes"
"context"
"crypto/tls"
"crypto/x509"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"math/rand"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/golang/protobuf/jsonpb"
"github.com/google/tcpproxy"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/serf/coordinate"
"github.com/hashicorp/serf/serf"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/sync/errgroup"
"golang.org/x/time/rate"
"gopkg.in/square/go-jose.v2/jwt"
"github.com/hashicorp/consul/agent/cache"
cachetype "github.com/hashicorp/consul/agent/cache-types"
"github.com/hashicorp/consul/agent/checks"
"github.com/hashicorp/consul/agent/config"
"github.com/hashicorp/consul/agent/connect"
"github.com/hashicorp/consul/agent/consul"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/agent/token"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/internal/go-sso/oidcauth/oidcauthtest"
"github.com/hashicorp/consul/ipaddr"
"github.com/hashicorp/consul/lib"
"github.com/hashicorp/consul/proto/pbautoconf"
"github.com/hashicorp/consul/sdk/freeport"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
"github.com/hashicorp/consul/tlsutil"
"github.com/hashicorp/consul/types"
)
func getService(a *TestAgent, id string) *structs.NodeService {
return a.State.Service(structs.NewServiceID(id, nil))
}
func getCheck(a *TestAgent, id types.CheckID) *structs.HealthCheck {
return a.State.Check(structs.NewCheckID(id, nil))
}
func requireServiceExists(t *testing.T, a *TestAgent, id string) *structs.NodeService {
t.Helper()
svc := getService(a, id)
require.NotNil(t, svc, "missing service %q", id)
return svc
}
func requireServiceMissing(t *testing.T, a *TestAgent, id string) {
t.Helper()
require.Nil(t, getService(a, id), "have service %q (expected missing)", id)
}
func requireCheckExists(t *testing.T, a *TestAgent, id types.CheckID) *structs.HealthCheck {
t.Helper()
chk := getCheck(a, id)
require.NotNil(t, chk, "missing check %q", id)
return chk
}
func requireCheckMissing(t *testing.T, a *TestAgent, id types.CheckID) {
t.Helper()
require.Nil(t, getCheck(a, id), "have check %q (expected missing)", id)
}
func requireCheckExistsMap(t *testing.T, m interface{}, id types.CheckID) {
t.Helper()
require.Contains(t, m, structs.NewCheckID(id, nil), "missing check %q", id)
}
func requireCheckMissingMap(t *testing.T, m interface{}, id types.CheckID) {
t.Helper()
require.NotContains(t, m, structs.NewCheckID(id, nil), "have check %q (expected missing)", id)
}
func TestAgent_MultiStartStop(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
for i := 0; i < 10; i++ {
t.Run("", func(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
time.Sleep(250 * time.Millisecond)
a.Shutdown()
})
}
}
func TestAgent_ConnectClusterIDConfig(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
tests := []struct {
name string
hcl string
wantClusterID string
wantErr bool
}{
{
name: "default TestAgent has fixed cluster id",
hcl: "",
wantClusterID: connect.TestClusterID,
},
{
name: "no cluster ID specified sets to test ID",
hcl: "connect { enabled = true }",
wantClusterID: connect.TestClusterID,
},
{
name: "non-UUID cluster_id is fatal",
hcl: `connect {
enabled = true
ca_config {
cluster_id = "fake-id"
}
}`,
wantClusterID: "",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
a := TestAgent{HCL: tt.hcl}
err := a.Start(t)
if tt.wantErr {
if err == nil {
t.Fatal("expected error, got nil")
}
return // don't run the rest of the test
}
if !tt.wantErr && err != nil {
t.Fatal(err)
}
defer a.Shutdown()
cfg := a.consulConfig()
assert.Equal(t, tt.wantClusterID, cfg.CAConfig.ClusterID)
})
}
}
func TestAgent_StartStop(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
if err := a.Leave(); err != nil {
t.Fatalf("err: %v", err)
}
if err := a.Shutdown(); err != nil {
t.Fatalf("err: %v", err)
}
select {
case <-a.ShutdownCh():
default:
t.Fatalf("should be closed")
}
}
func TestAgent_RPCPing(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
var out struct{}
if err := a.RPC("Status.Ping", struct{}{}, &out); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestAgent_TokenStore(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
acl_token = "user"
acl_agent_token = "agent"
acl_agent_master_token = "master"`,
)
defer a.Shutdown()
if got, want := a.tokens.UserToken(), "user"; got != want {
t.Fatalf("got %q want %q", got, want)
}
if got, want := a.tokens.AgentToken(), "agent"; got != want {
t.Fatalf("got %q want %q", got, want)
}
if got, want := a.tokens.IsAgentMasterToken("master"), true; got != want {
t.Fatalf("got %v want %v", got, want)
}
}
func TestAgent_ReconnectConfigSettings(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
func() {
a := NewTestAgent(t, "")
defer a.Shutdown()
lan := a.consulConfig().SerfLANConfig.ReconnectTimeout
if lan != 3*24*time.Hour {
t.Fatalf("bad: %s", lan.String())
}
wan := a.consulConfig().SerfWANConfig.ReconnectTimeout
if wan != 3*24*time.Hour {
t.Fatalf("bad: %s", wan.String())
}
}()
func() {
a := NewTestAgent(t, `
reconnect_timeout = "24h"
reconnect_timeout_wan = "36h"
`)
defer a.Shutdown()
lan := a.consulConfig().SerfLANConfig.ReconnectTimeout
if lan != 24*time.Hour {
t.Fatalf("bad: %s", lan.String())
}
wan := a.consulConfig().SerfWANConfig.ReconnectTimeout
if wan != 36*time.Hour {
t.Fatalf("bad: %s", wan.String())
}
}()
}
func TestAgent_HTTPMaxHeaderBytes(t *testing.T) {
tests := []struct {
name string
maxHeaderBytes int
expectedHTTPResponse int
}{
{
"max header bytes 1 returns 431 http response when too large headers are sent",
1,
431,
},
{
"max header bytes 0 returns 200 http response, as the http.DefaultMaxHeaderBytes size of 1MB is used",
0,
200,
},
{
"negative maxHeaderBytes returns 200 http response, as the http.DefaultMaxHeaderBytes size of 1MB is used",
-10,
200,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ports, err := freeport.Take(1)
require.NoError(t, err)
t.Cleanup(func() { freeport.Return(ports) })
caConfig := tlsutil.Config{}
tlsConf, err := tlsutil.NewConfigurator(caConfig, hclog.New(nil))
require.NoError(t, err)
bd := BaseDeps{
Deps: consul.Deps{
Logger: hclog.NewInterceptLogger(nil),
Tokens: new(token.Store),
TLSConfigurator: tlsConf,
},
RuntimeConfig: &config.RuntimeConfig{
HTTPAddrs: []net.Addr{
&net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: ports[0]},
},
HTTPMaxHeaderBytes: tt.maxHeaderBytes,
},
Cache: cache.New(cache.Options{}),
}
a, err := New(bd)
require.NoError(t, err)
srvs, err := a.listenHTTP()
require.NoError(t, err)
require.Equal(t, tt.maxHeaderBytes, a.config.HTTPMaxHeaderBytes)
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
t.Cleanup(cancel)
g := new(errgroup.Group)
for _, s := range srvs {
g.Go(s.Run)
}
require.Len(t, srvs, 1)
client := &http.Client{}
for _, s := range srvs {
u := url.URL{Scheme: s.Protocol, Host: s.Addr.String()}
req, err := http.NewRequest(http.MethodGet, u.String(), nil)
require.NoError(t, err)
// This is directly pulled from the testing of request limits in the net/http source
// https://github.com/golang/go/blob/go1.15.3/src/net/http/serve_test.go#L2897-L2900
var bytesPerHeader = len("header12345: val12345\r\n")
for i := 0; i < ((tt.maxHeaderBytes+4096)/bytesPerHeader)+1; i++ {
req.Header.Set(fmt.Sprintf("header%05d", i), fmt.Sprintf("val%05d", i))
}
resp, err := client.Do(req.WithContext(ctx))
require.NoError(t, err)
require.Equal(t, tt.expectedHTTPResponse, resp.StatusCode, "expected a '%d' http response, got '%d'", tt.expectedHTTPResponse, resp.StatusCode)
}
})
}
}
func TestAgent_ReconnectConfigWanDisabled(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
ports { serf_wan = -1 }
reconnect_timeout_wan = "36h"
`)
defer a.Shutdown()
// This is also testing that we dont panic like before #4515
require.Nil(t, a.consulConfig().SerfWANConfig)
}
func TestAgent_AddService(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_AddService(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_AddService(t, "enable_central_service_config = true")
})
}
func testAgent_AddService(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
node_name = "node1"
`+extraHCL)
defer a.Shutdown()
tests := []struct {
desc string
srv *structs.NodeService
wantSrv func(ns *structs.NodeService)
chkTypes []*structs.CheckType
healthChks map[string]*structs.HealthCheck
}{
{
"one check",
&structs.NodeService{
ID: "svcid1",
Service: "svcname1",
Tags: []string{"tag1"},
Weights: nil, // nil weights...
Port: 8100,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
// ... should be populated to avoid "IsSame" returning true during AE.
func(ns *structs.NodeService) {
ns.Weights = &structs.Weights{
Passing: 1,
Warning: 1,
}
},
[]*structs.CheckType{
{
CheckID: "check1",
Name: "name1",
TTL: time.Minute,
Notes: "note1",
},
},
map[string]*structs.HealthCheck{
"check1": {
Node: "node1",
CheckID: "check1",
Name: "name1",
Status: "critical",
Notes: "note1",
ServiceID: "svcid1",
ServiceName: "svcname1",
ServiceTags: []string{"tag1"},
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
},
},
{
"multiple checks",
&structs.NodeService{
ID: "svcid2",
Service: "svcname2",
Weights: &structs.Weights{
Passing: 2,
Warning: 1,
},
Tags: []string{"tag2"},
Port: 8200,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
nil, // No change expected
[]*structs.CheckType{
{
CheckID: "check1",
Name: "name1",
TTL: time.Minute,
Notes: "note1",
},
{
CheckID: "check-noname",
TTL: time.Minute,
},
{
Name: "check-noid",
TTL: time.Minute,
},
{
TTL: time.Minute,
},
},
map[string]*structs.HealthCheck{
"check1": {
Node: "node1",
CheckID: "check1",
Name: "name1",
Status: "critical",
Notes: "note1",
ServiceID: "svcid2",
ServiceName: "svcname2",
ServiceTags: []string{"tag2"},
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
"check-noname": {
Node: "node1",
CheckID: "check-noname",
Name: "Service 'svcname2' check",
Status: "critical",
ServiceID: "svcid2",
ServiceName: "svcname2",
ServiceTags: []string{"tag2"},
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
"service:svcid2:3": {
Node: "node1",
CheckID: "service:svcid2:3",
Name: "check-noid",
Status: "critical",
ServiceID: "svcid2",
ServiceName: "svcname2",
ServiceTags: []string{"tag2"},
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
"service:svcid2:4": {
Node: "node1",
CheckID: "service:svcid2:4",
Name: "Service 'svcname2' check",
Status: "critical",
ServiceID: "svcid2",
ServiceName: "svcname2",
ServiceTags: []string{"tag2"},
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
},
},
}
for _, tt := range tests {
t.Run(tt.desc, func(t *testing.T) {
// check the service registration
t.Run(tt.srv.ID, func(t *testing.T) {
err := a.addServiceFromSource(tt.srv, tt.chkTypes, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
got := getService(a, tt.srv.ID)
// Make a copy since the tt.srv points to the one in memory in the local
// state still so changing it is a tautology!
want := *tt.srv
if tt.wantSrv != nil {
tt.wantSrv(&want)
}
require.Equal(t, &want, got)
require.True(t, got.IsSame(&want))
})
// check the health checks
for k, v := range tt.healthChks {
t.Run(k, func(t *testing.T) {
got := getCheck(a, types.CheckID(k))
require.Equal(t, v, got)
})
}
// check the ttl checks
for k := range tt.healthChks {
t.Run(k+" ttl", func(t *testing.T) {
chk := a.checkTTLs[structs.NewCheckID(types.CheckID(k), nil)]
if chk == nil {
t.Fatal("got nil want TTL check")
}
if got, want := string(chk.CheckID.ID), k; got != want {
t.Fatalf("got CheckID %v want %v", got, want)
}
if got, want := chk.TTL, time.Minute; got != want {
t.Fatalf("got TTL %v want %v", got, want)
}
})
}
})
}
}
// addServiceFromSource is a test helper that exists to maintain an old function
// signature that was used in many tests.
// Deprecated: use AddService
func (a *Agent) addServiceFromSource(service *structs.NodeService, chkTypes []*structs.CheckType, persist bool, token string, source configSource) error {
return a.AddService(AddServiceRequest{
Service: service,
chkTypes: chkTypes,
persist: persist,
token: token,
replaceExistingChecks: false,
Source: source,
})
}
func TestAgent_AddServices_AliasUpdateCheckNotReverted(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_AddServices_AliasUpdateCheckNotReverted(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_AddServices_AliasUpdateCheckNotReverted(t, "enable_central_service_config = true")
})
}
func testAgent_AddServices_AliasUpdateCheckNotReverted(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
node_name = "node1"
`+extraHCL)
defer a.Shutdown()
// It's tricky to get an UpdateCheck call to be timed properly so it lands
// right in the middle of an addServiceInternal call so we cheat a bit and
// rely upon alias checks to do that work for us. We add enough services
// that probabilistically one of them is going to end up properly in the
// critical section.
//
// The first number I picked here (10) surprisingly failed every time prior
// to PR #6144 solving the underlying problem.
const numServices = 10
services := make([]*structs.ServiceDefinition, numServices)
checkIDs := make([]types.CheckID, numServices)
services[0] = &structs.ServiceDefinition{
ID: "fake",
Name: "fake",
Port: 8080,
Checks: []*structs.CheckType{},
}
for i := 1; i < numServices; i++ {
name := fmt.Sprintf("web-%d", i)
services[i] = &structs.ServiceDefinition{
ID: name,
Name: name,
Port: 8080 + i,
Checks: []*structs.CheckType{
{
Name: "alias-for-fake-service",
AliasService: "fake",
},
},
}
checkIDs[i] = types.CheckID("service:" + name)
}
// Add all of the services quickly as you might do from config file snippets.
for _, service := range services {
ns := service.NodeService()
chkTypes, err := service.CheckTypes()
require.NoError(t, err)
require.NoError(t, a.addServiceFromSource(ns, chkTypes, false, service.Token, ConfigSourceLocal))
}
retry.Run(t, func(r *retry.R) {
gotChecks := a.State.Checks(nil)
for id, check := range gotChecks {
require.Equal(r, "passing", check.Status, "check %q is wrong", id)
require.Equal(r, "No checks found.", check.Output, "check %q is wrong", id)
}
})
}
func test_createAlias(t *testing.T, agent *TestAgent, chk *structs.CheckType, expectedResult string) func(r *retry.R) {
t.Helper()
serviceNum := rand.Int()
srv := &structs.NodeService{
Service: fmt.Sprintf("serviceAlias-%d", serviceNum),
Tags: []string{"tag1"},
Port: 8900 + serviceNum,
}
if srv.ID == "" {
srv.ID = fmt.Sprintf("serviceAlias-%d", serviceNum)
}
chk.Status = api.HealthWarning
if chk.CheckID == "" {
chk.CheckID = types.CheckID(fmt.Sprintf("check-%d", serviceNum))
}
err := agent.addServiceFromSource(srv, []*structs.CheckType{chk}, false, "", ConfigSourceLocal)
assert.NoError(t, err)
return func(r *retry.R) {
t.Helper()
found := false
for _, c := range agent.State.CheckStates(structs.WildcardEnterpriseMeta()) {
if c.Check.CheckID == chk.CheckID {
found = true
assert.Equal(t, expectedResult, c.Check.Status, "Check state should be %s, was %s in %#v", expectedResult, c.Check.Status, c.Check)
srvID := structs.NewServiceID(srv.ID, structs.WildcardEnterpriseMeta())
if err := agent.Agent.State.RemoveService(srvID); err != nil {
fmt.Println("[DEBUG] Fail to remove service", srvID, ", err:=", err)
}
fmt.Println("[DEBUG] Service Removed", srvID, ", err:=", err)
break
}
}
assert.True(t, found)
}
}
// TestAgent_CheckAliasRPC test the Alias Check to be properly sync remotely
// and locally.
// It contains a few hacks such as unlockIndexOnNode because watch performed
// in CheckAlias.runQuery() waits for 1 min, so Shutdoww the agent might take time
// So, we ensure the agent will update regularilly the index
func TestAgent_CheckAliasRPC(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Helper()
a := NewTestAgent(t, `
node_name = "node1"
`)
srv := &structs.NodeService{
ID: "svcid1",
Service: "svcname1",
Tags: []string{"tag1"},
Port: 8100,
}
unlockIndexOnNode := func() {
// We ensure to not block and update Agent's index
srv.Tags = []string{fmt.Sprintf("tag-%s", time.Now())}
assert.NoError(t, a.waitForUp())
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceLocal)
assert.NoError(t, err)
}
shutdownAgent := func() {
// This is to be sure Alias Checks on remote won't be blocked during 1 min
unlockIndexOnNode()
fmt.Println("[DEBUG] STARTING shutdown for TestAgent_CheckAliasRPC", time.Now())
go a.Shutdown()
unlockIndexOnNode()
fmt.Println("[DEBUG] DONE shutdown for TestAgent_CheckAliasRPC", time.Now())
}
defer shutdownAgent()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
assert.NoError(t, a.waitForUp())
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceLocal)
assert.NoError(t, err)
retry.Run(t, func(r *retry.R) {
t.Helper()
var args structs.NodeSpecificRequest
args.Datacenter = "dc1"
args.Node = "node1"
args.AllowStale = true
var out structs.IndexedNodeServices
err := a.RPC("Catalog.NodeServices", &args, &out)
assert.NoError(r, err)
foundService := false
lookup := structs.NewServiceID("svcid1", structs.WildcardEnterpriseMeta())
for _, srv := range out.NodeServices.Services {
if lookup.Matches(srv.CompoundServiceID()) {
foundService = true
}
}
assert.True(r, foundService, "could not find svcid1 in %#v", out.NodeServices.Services)
})
checks := make([](func(*retry.R)), 0)
checks = append(checks, test_createAlias(t, a, &structs.CheckType{
Name: "Check_Local_Ok",
AliasService: "svcid1",
}, api.HealthPassing))
checks = append(checks, test_createAlias(t, a, &structs.CheckType{
Name: "Check_Local_Fail",
AliasService: "svcidNoExistingID",
}, api.HealthCritical))
checks = append(checks, test_createAlias(t, a, &structs.CheckType{
Name: "Check_Remote_Host_Ok",
AliasNode: "node1",
AliasService: "svcid1",
}, api.HealthPassing))
checks = append(checks, test_createAlias(t, a, &structs.CheckType{
Name: "Check_Remote_Host_Non_Existing_Service",
AliasNode: "node1",
AliasService: "svcidNoExistingID",
}, api.HealthCritical))
// We wait for max 5s for all checks to be in sync
{
for i := 0; i < 50; i++ {
unlockIndexOnNode()
allNonWarning := true
for _, chk := range a.State.Checks(structs.WildcardEnterpriseMeta()) {
if chk.Status == api.HealthWarning {
allNonWarning = false
}
}
if allNonWarning {
break
} else {
time.Sleep(100 * time.Millisecond)
}
}
}
for _, toRun := range checks {
unlockIndexOnNode()
retry.Run(t, toRun)
}
}
func TestAgent_AddServiceNoExec(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_AddServiceNoExec(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_AddServiceNoExec(t, "enable_central_service_config = true")
})
}
func testAgent_AddServiceNoExec(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
node_name = "node1"
`+extraHCL)
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
srv := &structs.NodeService{
ID: "svcid1",
Service: "svcname1",
Tags: []string{"tag1"},
Port: 8100,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.addServiceFromSource(srv, []*structs.CheckType{chk}, false, "", ConfigSourceLocal)
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") {
t.Fatalf("err: %v", err)
}
err = a.addServiceFromSource(srv, []*structs.CheckType{chk}, false, "", ConfigSourceRemote)
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") {
t.Fatalf("err: %v", err)
}
}
func TestAgent_AddServiceNoRemoteExec(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_AddServiceNoRemoteExec(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_AddServiceNoRemoteExec(t, "enable_central_service_config = true")
})
}
func testAgent_AddServiceNoRemoteExec(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
node_name = "node1"
enable_local_script_checks = true
`+extraHCL)
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
srv := &structs.NodeService{
ID: "svcid1",
Service: "svcname1",
Tags: []string{"tag1"},
Port: 8100,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.addServiceFromSource(srv, []*structs.CheckType{chk}, false, "", ConfigSourceRemote)
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") {
t.Fatalf("err: %v", err)
}
}
func TestCacheRateLimit(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
tests := []struct {
// count := number of updates performed (1 every 10ms)
count int
// rateLimit rate limiting of cache
rateLimit float64
// Minimum number of updates to see from a cache perspective
// We add a value with tolerance to work even on a loaded CI
minUpdates int
}{
// 250 => we have a test running for at least 2.5s
{250, 0.5, 1},
{250, 1, 1},
{300, 2, 2},
}
for _, currentTest := range tests {
t.Run(fmt.Sprintf("rate_limit_at_%v", currentTest.rateLimit), func(t *testing.T) {
tt := currentTest
t.Parallel()
a := NewTestAgent(t, "cache = { entry_fetch_rate = 1, entry_fetch_max_burst = 100 }")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
cfg := a.config
require.Equal(t, rate.Limit(1), a.config.Cache.EntryFetchRate)
require.Equal(t, 100, a.config.Cache.EntryFetchMaxBurst)
cfg.Cache.EntryFetchRate = rate.Limit(tt.rateLimit)
cfg.Cache.EntryFetchMaxBurst = 1
a.reloadConfigInternal(cfg)
require.Equal(t, rate.Limit(tt.rateLimit), a.config.Cache.EntryFetchRate)
require.Equal(t, 1, a.config.Cache.EntryFetchMaxBurst)
var wg sync.WaitGroup
stillProcessing := true
injectService := func(i int) {
srv := &structs.NodeService{
Service: "redis",
ID: "redis",
Port: 1024 + i,
Address: fmt.Sprintf("10.0.1.%d", i%255),
}
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote)
require.Nil(t, err)
}
runUpdates := func() {
wg.Add(tt.count)
for i := 0; i < tt.count; i++ {
time.Sleep(10 * time.Millisecond)
injectService(i)
wg.Done()
}
stillProcessing = false
}
getIndex := func(t *testing.T, oldIndex int) int {
req, err := http.NewRequest("GET", fmt.Sprintf("/v1/health/service/redis?cached&wait=5s&index=%d", oldIndex), nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
a.srv.handler(false).ServeHTTP(resp, req)
// Key doesn't actually exist so we should get 404
if got, want := resp.Code, http.StatusOK; got != want {
t.Fatalf("bad response code got %d want %d", got, want)
}
index, err := strconv.Atoi(resp.Header().Get("X-Consul-Index"))
require.NoError(t, err)
return index
}
{
start := time.Now()
injectService(0)
// Get the first index
index := getIndex(t, 0)
require.Greater(t, index, 2)
go runUpdates()
numberOfUpdates := 0
for stillProcessing {
oldIndex := index
index = getIndex(t, oldIndex)
require.GreaterOrEqual(t, index, oldIndex, "index must be increasing only")
numberOfUpdates++
}
elapsed := time.Since(start)
qps := float64(time.Second) * float64(numberOfUpdates) / float64(elapsed)
summary := fmt.Sprintf("received %v updates in %v aka %f qps, target max was: %f qps", numberOfUpdates, elapsed, qps, tt.rateLimit)
// We must never go beyond the limit, we give 10% margin to avoid having values like 1.05 instead of 1 due to precision of clock
require.LessOrEqual(t, qps, 1.1*tt.rateLimit, fmt.Sprintf("it should never get more requests than ratelimit, had: %s", summary))
// We must have at least being notified a few times
require.GreaterOrEqual(t, numberOfUpdates, tt.minUpdates, fmt.Sprintf("It should have received a minimum of %d updates, had: %s", tt.minUpdates, summary))
}
wg.Wait()
})
}
}
func TestAddServiceIPv4TaggedDefault(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Helper()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
srv := &structs.NodeService{
Service: "my_service",
ID: "my_service_id",
Port: 8100,
Address: "10.0.1.2",
}
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote)
require.Nil(t, err)
ns := a.State.Service(structs.NewServiceID("my_service_id", nil))
require.NotNil(t, ns)
svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port}
require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv4])
require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressWANIPv4])
_, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv6]
require.False(t, ok)
_, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv6]
require.False(t, ok)
}
func TestAddServiceIPv6TaggedDefault(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Helper()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
srv := &structs.NodeService{
Service: "my_service",
ID: "my_service_id",
Port: 8100,
Address: "::5",
}
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote)
require.Nil(t, err)
ns := a.State.Service(structs.NewServiceID("my_service_id", nil))
require.NotNil(t, ns)
svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port}
require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv6])
require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressWANIPv6])
_, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv4]
require.False(t, ok)
_, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv4]
require.False(t, ok)
}
func TestAddServiceIPv4TaggedSet(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Helper()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
srv := &structs.NodeService{
Service: "my_service",
ID: "my_service_id",
Port: 8100,
Address: "10.0.1.2",
TaggedAddresses: map[string]structs.ServiceAddress{
structs.TaggedAddressWANIPv4: {
Address: "10.100.200.5",
Port: 8100,
},
},
}
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote)
require.Nil(t, err)
ns := a.State.Service(structs.NewServiceID("my_service_id", nil))
require.NotNil(t, ns)
svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port}
require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv4])
require.Equal(t, structs.ServiceAddress{Address: "10.100.200.5", Port: 8100}, ns.TaggedAddresses[structs.TaggedAddressWANIPv4])
_, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv6]
require.False(t, ok)
_, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv6]
require.False(t, ok)
}
func TestAddServiceIPv6TaggedSet(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Helper()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
srv := &structs.NodeService{
Service: "my_service",
ID: "my_service_id",
Port: 8100,
Address: "::5",
TaggedAddresses: map[string]structs.ServiceAddress{
structs.TaggedAddressWANIPv6: {
Address: "::6",
Port: 8100,
},
},
}
err := a.addServiceFromSource(srv, []*structs.CheckType{}, false, "", ConfigSourceRemote)
require.Nil(t, err)
ns := a.State.Service(structs.NewServiceID("my_service_id", nil))
require.NotNil(t, ns)
svcAddr := structs.ServiceAddress{Address: srv.Address, Port: srv.Port}
require.Equal(t, svcAddr, ns.TaggedAddresses[structs.TaggedAddressLANIPv6])
require.Equal(t, structs.ServiceAddress{Address: "::6", Port: 8100}, ns.TaggedAddresses[structs.TaggedAddressWANIPv6])
_, ok := ns.TaggedAddresses[structs.TaggedAddressLANIPv4]
require.False(t, ok)
_, ok = ns.TaggedAddresses[structs.TaggedAddressWANIPv4]
require.False(t, ok)
}
func TestAgent_RemoveService(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_RemoveService(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_RemoveService(t, "enable_central_service_config = true")
})
}
func testAgent_RemoveService(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, extraHCL)
defer a.Shutdown()
// Remove a service that doesn't exist
if err := a.RemoveService(structs.NewServiceID("redis", nil)); err != nil {
t.Fatalf("err: %v", err)
}
// Remove without an ID
if err := a.RemoveService(structs.NewServiceID("", nil)); err == nil {
t.Fatalf("should have errored")
}
// Removing a service with a single check works
{
srv := &structs.NodeService{
ID: "memcache",
Service: "memcache",
Port: 8000,
}
chkTypes := []*structs.CheckType{{TTL: time.Minute}}
if err := a.addServiceFromSource(srv, chkTypes, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Add a check after the fact with a specific check ID
check := &structs.CheckDefinition{
ID: "check2",
Name: "check2",
ServiceID: "memcache",
TTL: time.Minute,
}
hc := check.HealthCheck("node1")
if err := a.AddCheck(hc, check.CheckType(), false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %s", err)
}
if err := a.RemoveService(structs.NewServiceID("memcache", nil)); err != nil {
t.Fatalf("err: %s", err)
}
require.Nil(t, a.State.Check(structs.NewCheckID("service:memcache", nil)), "have memcache check")
require.Nil(t, a.State.Check(structs.NewCheckID("check2", nil)), "have check2 check")
}
// Removing a service with multiple checks works
{
// add a service to remove
srv := &structs.NodeService{
ID: "redis",
Service: "redis",
Port: 8000,
}
chkTypes := []*structs.CheckType{
{TTL: time.Minute},
{TTL: 30 * time.Second},
}
if err := a.addServiceFromSource(srv, chkTypes, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// add another service that wont be affected
srv = &structs.NodeService{
ID: "mysql",
Service: "mysql",
Port: 3306,
}
chkTypes = []*structs.CheckType{
{TTL: time.Minute},
{TTL: 30 * time.Second},
}
if err := a.addServiceFromSource(srv, chkTypes, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Remove the service
if err := a.RemoveService(structs.NewServiceID("redis", nil)); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a state mapping
requireServiceMissing(t, a, "redis")
// Ensure checks were removed
requireCheckMissing(t, a, "service:redis:1")
requireCheckMissing(t, a, "service:redis:2")
requireCheckMissingMap(t, a.checkTTLs, "service:redis:1")
requireCheckMissingMap(t, a.checkTTLs, "service:redis:2")
// check the mysql service is unnafected
requireCheckExistsMap(t, a.checkTTLs, "service:mysql:1")
requireCheckExists(t, a, "service:mysql:1")
requireCheckExistsMap(t, a.checkTTLs, "service:mysql:2")
requireCheckExists(t, a, "service:mysql:2")
}
}
func TestAgent_RemoveServiceRemovesAllChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_RemoveServiceRemovesAllChecks(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_RemoveServiceRemovesAllChecks(t, "enable_central_service_config = true")
})
}
func testAgent_RemoveServiceRemovesAllChecks(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
node_name = "node1"
`+extraHCL)
defer a.Shutdown()
svc := &structs.NodeService{ID: "redis", Service: "redis", Port: 8000, EnterpriseMeta: *structs.DefaultEnterpriseMeta()}
chk1 := &structs.CheckType{CheckID: "chk1", Name: "chk1", TTL: time.Minute}
chk2 := &structs.CheckType{CheckID: "chk2", Name: "chk2", TTL: 2 * time.Minute}
hchk1 := &structs.HealthCheck{
Node: "node1",
CheckID: "chk1",
Name: "chk1",
Status: "critical",
ServiceID: "redis",
ServiceName: "redis",
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
}
hchk2 := &structs.HealthCheck{Node: "node1",
CheckID: "chk2",
Name: "chk2",
Status: "critical",
ServiceID: "redis",
ServiceName: "redis",
Type: "ttl",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
}
// register service with chk1
if err := a.addServiceFromSource(svc, []*structs.CheckType{chk1}, false, "", ConfigSourceLocal); err != nil {
t.Fatal("Failed to register service", err)
}
// verify chk1 exists
requireCheckExists(t, a, "chk1")
// update the service with chk2
if err := a.addServiceFromSource(svc, []*structs.CheckType{chk2}, false, "", ConfigSourceLocal); err != nil {
t.Fatal("Failed to update service", err)
}
// check that both checks are there
require.Equal(t, hchk1, getCheck(a, "chk1"))
require.Equal(t, hchk2, getCheck(a, "chk2"))
// Remove service
if err := a.RemoveService(structs.NewServiceID("redis", nil)); err != nil {
t.Fatal("Failed to remove service", err)
}
// Check that both checks are gone
requireCheckMissing(t, a, "chk1")
requireCheckMissing(t, a, "chk2")
}
// TestAgent_IndexChurn is designed to detect a class of issues where
// we would have unnecessary catalog churn from anti-entropy. See issues
// #3259, #3642, #3845, and #3866.
func TestAgent_IndexChurn(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
t.Run("no tags", func(t *testing.T) {
verifyIndexChurn(t, nil)
})
t.Run("with tags", func(t *testing.T) {
verifyIndexChurn(t, []string{"foo", "bar"})
})
}
// verifyIndexChurn registers some things and runs anti-entropy a bunch of times
// in a row to make sure there are no index bumps.
func verifyIndexChurn(t *testing.T, tags []string) {
a := NewTestAgent(t, "")
defer a.Shutdown()
weights := &structs.Weights{
Passing: 1,
Warning: 1,
}
// Ensure we have a leader before we start adding the services
testrpc.WaitForLeader(t, a.RPC, "dc1")
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Port: 8000,
Tags: tags,
Weights: weights,
}
if err := a.addServiceFromSource(svc, nil, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
chk := &structs.HealthCheck{
CheckID: "redis-check",
Name: "Service-level check",
ServiceID: "redis",
Status: api.HealthCritical,
}
chkt := &structs.CheckType{
TTL: time.Hour,
}
if err := a.AddCheck(chk, chkt, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
chk = &structs.HealthCheck{
CheckID: "node-check",
Name: "Node-level check",
Status: api.HealthCritical,
}
chkt = &structs.CheckType{
TTL: time.Hour,
}
if err := a.AddCheck(chk, chkt, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
if err := a.sync.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
args := &structs.ServiceSpecificRequest{
Datacenter: "dc1",
ServiceName: "redis",
}
var before structs.IndexedCheckServiceNodes
// This sleep is so that the serfHealth check is added to the agent
// A value of 375ms is sufficient enough time to ensure the serfHealth
// check is added to an agent. 500ms so that we don't see flakiness ever.
time.Sleep(500 * time.Millisecond)
if err := a.RPC("Health.ServiceNodes", args, &before); err != nil {
t.Fatalf("err: %v", err)
}
for _, name := range before.Nodes[0].Checks {
a.logger.Debug("Registered node", "node", name.Name)
}
if got, want := len(before.Nodes), 1; got != want {
t.Fatalf("got %d want %d", got, want)
}
if got, want := len(before.Nodes[0].Checks), 3; /* incl. serfHealth */ got != want {
t.Fatalf("got %d want %d", got, want)
}
for i := 0; i < 10; i++ {
a.logger.Info("Sync in progress", "iteration", i+1)
if err := a.sync.State.SyncFull(); err != nil {
t.Fatalf("err: %v", err)
}
}
// If this test fails here this means that the Consul-X-Index
// has changed for the RPC, which means that idempotent ops
// are not working as intended.
var after structs.IndexedCheckServiceNodes
if err := a.RPC("Health.ServiceNodes", args, &after); err != nil {
t.Fatalf("err: %v", err)
}
require.Equal(t, before, after)
}
func TestAgent_AddCheck(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
enable_script_checks = true
`)
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping
sChk := requireCheckExists(t, a, "mem")
// Ensure our check is in the right state
if sChk.Status != api.HealthCritical {
t.Fatalf("check not critical")
}
// Ensure a TTL is setup
requireCheckExistsMap(t, a.checkMonitors, "mem")
}
func TestAgent_AddCheck_StartPassing(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
enable_script_checks = true
`)
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthPassing,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping
sChk := requireCheckExists(t, a, "mem")
// Ensure our check is in the right state
if sChk.Status != api.HealthPassing {
t.Fatalf("check not passing")
}
// Ensure a TTL is setup
requireCheckExistsMap(t, a.checkMonitors, "mem")
}
func TestAgent_AddCheck_MinInterval(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
enable_script_checks = true
`)
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: time.Microsecond,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping
requireCheckExists(t, a, "mem")
// Ensure a TTL is setup
if mon, ok := a.checkMonitors[structs.NewCheckID("mem", nil)]; !ok {
t.Fatalf("missing mem monitor")
} else if mon.Interval != checks.MinInterval {
t.Fatalf("bad mem monitor interval")
}
}
func TestAgent_AddCheck_MissingService(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
enable_script_checks = true
`)
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "baz",
Name: "baz check 1",
ServiceID: "baz",
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: time.Microsecond,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err == nil || err.Error() != fmt.Sprintf("ServiceID %q does not exist", structs.ServiceIDString("baz", nil)) {
t.Fatalf("expected service id error, got: %v", err)
}
}
func TestAgent_AddCheck_RestoreState(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Create some state and persist it
ttl := &checks.CheckTTL{
CheckID: structs.NewCheckID("baz", nil),
TTL: time.Minute,
}
err := a.persistCheckState(ttl, api.HealthPassing, "yup")
if err != nil {
t.Fatalf("err: %s", err)
}
// Build and register the check definition and initial state
health := &structs.HealthCheck{
Node: "foo",
CheckID: "baz",
Name: "baz check 1",
}
chk := &structs.CheckType{
TTL: time.Minute,
}
err = a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the check status was restored during registration
check := requireCheckExists(t, a, "baz")
if check.Status != api.HealthPassing {
t.Fatalf("bad: %#v", check)
}
if check.Output != "yup" {
t.Fatalf("bad: %#v", check)
}
}
func TestAgent_AddCheck_ExecDisable(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") {
t.Fatalf("err: %v", err)
}
// Ensure we don't have a check mapping
requireCheckMissing(t, a, "mem")
err = a.AddCheck(health, chk, false, "", ConfigSourceRemote)
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent") {
t.Fatalf("err: %v", err)
}
// Ensure we don't have a check mapping
requireCheckMissing(t, a, "mem")
}
func TestAgent_AddCheck_ExecRemoteDisable(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
enable_local_script_checks = true
`)
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceRemote)
if err == nil || !strings.Contains(err.Error(), "Scripts are disabled on this agent from remote calls") {
t.Fatalf("err: %v", err)
}
// Ensure we don't have a check mapping
requireCheckMissing(t, a, "mem")
}
func TestAgent_AddCheck_GRPC(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "grpchealth",
Name: "grpc health checking protocol",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
GRPC: "localhost:12345/package.Service",
Interval: 15 * time.Second,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping
sChk := requireCheckExists(t, a, "grpchealth")
// Ensure our check is in the right state
if sChk.Status != api.HealthCritical {
t.Fatalf("check not critical")
}
// Ensure a check is setup
requireCheckExistsMap(t, a.checkGRPCs, "grpchealth")
}
func TestAgent_RestoreServiceWithAliasCheck(t *testing.T) {
// t.Parallel() don't even think about making this parallel
// This test is very contrived and tests for the absence of race conditions
// related to the implementation of alias checks. As such it is slow,
// serial, full of sleeps and retries, and not generally a great test to
// run all of the time.
//
// That said it made it incredibly easy to root out various race conditions
// quite successfully.
//
// The original set of races was between:
//
// - agent startup reloading Services and Checks from disk
// - API requests to also re-register those same Services and Checks
// - the goroutines for the as-yet-to-be-stopped CheckAlias goroutines
if os.Getenv("SLOWTEST") != "1" {
t.Skip("skipping slow test; set SLOWTEST=1 to run")
return
}
// We do this so that the agent logs and the informational messages from
// the test itself are interwoven properly.
logf := func(t *testing.T, a *TestAgent, format string, args ...interface{}) {
a.logger.Info("testharness: " + fmt.Sprintf(format, args...))
}
cfg := `
server = false
bootstrap = false
enable_central_service_config = false
`
a := StartTestAgent(t, TestAgent{HCL: cfg})
defer a.Shutdown()
testCtx, testCancel := context.WithCancel(context.Background())
defer testCancel()
testHTTPServer, returnPort := launchHTTPCheckServer(t, testCtx)
defer func() {
testHTTPServer.Close()
returnPort()
}()
registerServicesAndChecks := func(t *testing.T, a *TestAgent) {
// add one persistent service with a simple check
require.NoError(t, a.addServiceFromSource(
&structs.NodeService{
ID: "ping",
Service: "ping",
Port: 8000,
},
[]*structs.CheckType{
{
HTTP: testHTTPServer.URL,
Method: "GET",
Interval: 5 * time.Second,
Timeout: 1 * time.Second,
},
},
true, "", ConfigSourceLocal,
))
// add one persistent sidecar service with an alias check in the manner
// of how sidecar_service would add it
require.NoError(t, a.addServiceFromSource(
&structs.NodeService{
ID: "ping-sidecar-proxy",
Service: "ping-sidecar-proxy",
Port: 9000,
},
[]*structs.CheckType{
{
Name: "Connect Sidecar Aliasing ping",
AliasService: "ping",
},
},
true, "", ConfigSourceLocal,
))
}
retryUntilCheckState := func(t *testing.T, a *TestAgent, checkID string, expectedStatus string) {
t.Helper()
retry.Run(t, func(r *retry.R) {
chk := requireCheckExists(t, a, types.CheckID(checkID))
if chk.Status != expectedStatus {
logf(t, a, "check=%q expected status %q but got %q", checkID, expectedStatus, chk.Status)
r.Fatalf("check=%q expected status %q but got %q", checkID, expectedStatus, chk.Status)
}
logf(t, a, "check %q has reached desired status %q", checkID, expectedStatus)
})
}
registerServicesAndChecks(t, a)
time.Sleep(1 * time.Second)
retryUntilCheckState(t, a, "service:ping", api.HealthPassing)
retryUntilCheckState(t, a, "service:ping-sidecar-proxy", api.HealthPassing)
logf(t, a, "==== POWERING DOWN ORIGINAL ====")
require.NoError(t, a.Shutdown())
time.Sleep(1 * time.Second)
futureHCL := cfg + `
node_id = "` + string(a.Config.NodeID) + `"
node_name = "` + a.Config.NodeName + `"
`
restartOnce := func(idx int, t *testing.T) {
t.Helper()
// Reload and retain former NodeID and data directory.
a2 := StartTestAgent(t, TestAgent{HCL: futureHCL, DataDir: a.DataDir})
defer a2.Shutdown()
a = nil
// reregister during standup; we use an adjustable timing to try and force a race
sleepDur := time.Duration(idx+1) * 500 * time.Millisecond
time.Sleep(sleepDur)
logf(t, a2, "re-registering checks and services after a delay of %v", sleepDur)
for i := 0; i < 20; i++ { // RACE RACE RACE!
registerServicesAndChecks(t, a2)
time.Sleep(50 * time.Millisecond)
}
time.Sleep(1 * time.Second)
retryUntilCheckState(t, a2, "service:ping", api.HealthPassing)
logf(t, a2, "giving the alias check a chance to notice...")
time.Sleep(5 * time.Second)
retryUntilCheckState(t, a2, "service:ping-sidecar-proxy", api.HealthPassing)
}
for i := 0; i < 20; i++ {
name := "restart-" + strconv.Itoa(i)
ok := t.Run(name, func(t *testing.T) {
restartOnce(i, t)
})
require.True(t, ok, name+" failed")
}
}
func launchHTTPCheckServer(t *testing.T, ctx context.Context) (srv *httptest.Server, returnPortsFn func()) {
ports := freeport.MustTake(1)
port := ports[0]
addr := net.JoinHostPort("127.0.0.1", strconv.Itoa(port))
var lc net.ListenConfig
listener, err := lc.Listen(ctx, "tcp", addr)
require.NoError(t, err)
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte("OK\n"))
})
srv = &httptest.Server{
Listener: listener,
Config: &http.Server{Handler: handler},
}
srv.Start()
return srv, func() { freeport.Return(ports) }
}
func TestAgent_AddCheck_Alias(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
require := require.New(t)
a := NewTestAgent(t, "")
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "aliashealth",
Name: "Alias health check",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
AliasService: "foo",
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
require.NoError(err)
// Ensure we have a check mapping
sChk := requireCheckExists(t, a, "aliashealth")
require.Equal(api.HealthCritical, sChk.Status)
chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)]
require.True(ok, "missing aliashealth check")
require.Equal("", chkImpl.RPCReq.Token)
cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil))
require.NotNil(cs)
require.Equal("", cs.Token)
}
func TestAgent_AddCheck_Alias_setToken(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
require := require.New(t)
a := NewTestAgent(t, "")
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "aliashealth",
Name: "Alias health check",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
AliasService: "foo",
}
err := a.AddCheck(health, chk, false, "foo", ConfigSourceLocal)
require.NoError(err)
cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil))
require.NotNil(cs)
require.Equal("foo", cs.Token)
chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)]
require.True(ok, "missing aliashealth check")
require.Equal("foo", chkImpl.RPCReq.Token)
}
func TestAgent_AddCheck_Alias_userToken(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
require := require.New(t)
a := NewTestAgent(t, `
acl_token = "hello"
`)
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "aliashealth",
Name: "Alias health check",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
AliasService: "foo",
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
require.NoError(err)
cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil))
require.NotNil(cs)
require.Equal("", cs.Token) // State token should still be empty
chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)]
require.True(ok, "missing aliashealth check")
require.Equal("hello", chkImpl.RPCReq.Token) // Check should use the token
}
func TestAgent_AddCheck_Alias_userAndSetToken(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
require := require.New(t)
a := NewTestAgent(t, `
acl_token = "hello"
`)
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "aliashealth",
Name: "Alias health check",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
AliasService: "foo",
}
err := a.AddCheck(health, chk, false, "goodbye", ConfigSourceLocal)
require.NoError(err)
cs := a.State.CheckState(structs.NewCheckID("aliashealth", nil))
require.NotNil(cs)
require.Equal("goodbye", cs.Token)
chkImpl, ok := a.checkAliases[structs.NewCheckID("aliashealth", nil)]
require.True(ok, "missing aliashealth check")
require.Equal("goodbye", chkImpl.RPCReq.Token)
}
func TestAgent_RemoveCheck(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
enable_script_checks = true
`)
defer a.Shutdown()
// Remove check that doesn't exist
if err := a.RemoveCheck(structs.NewCheckID("mem", nil), false); err != nil {
t.Fatalf("err: %v", err)
}
// Remove without an ID
if err := a.RemoveCheck(structs.NewCheckID("", nil), false); err == nil {
t.Fatalf("should have errored")
}
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
ScriptArgs: []string{"exit", "0"},
Interval: 15 * time.Second,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
// Remove check
if err := a.RemoveCheck(structs.NewCheckID("mem", nil), false); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping
requireCheckMissing(t, a, "mem")
// Ensure a TTL is setup
requireCheckMissingMap(t, a.checkMonitors, "mem")
}
func TestAgent_HTTPCheck_TLSSkipVerify(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "GOOD")
})
server := httptest.NewTLSServer(handler)
defer server.Close()
a := NewTestAgent(t, "")
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "tls",
Name: "tls check",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
HTTP: server.URL,
Interval: 20 * time.Millisecond,
TLSSkipVerify: true,
}
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
retry.Run(t, func(r *retry.R) {
status := getCheck(a, "tls")
if status.Status != api.HealthPassing {
r.Fatalf("bad: %v", status.Status)
}
if !strings.Contains(status.Output, "GOOD") {
r.Fatalf("bad: %v", status.Output)
}
})
}
func TestAgent_HTTPCheck_EnableAgentTLSForChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
run := func(t *testing.T, ca string) {
a := StartTestAgent(t, TestAgent{
UseTLS: true,
HCL: `
enable_agent_tls_for_checks = true
verify_incoming = true
server_name = "consul.test"
key_file = "../test/client_certs/server.key"
cert_file = "../test/client_certs/server.crt"
` + ca,
})
defer a.Shutdown()
health := &structs.HealthCheck{
Node: "foo",
CheckID: "tls",
Name: "tls check",
Status: api.HealthCritical,
}
addr, err := firstAddr(a.Agent.apiServers, "https")
require.NoError(t, err)
url := fmt.Sprintf("https://%s/v1/agent/self", addr.String())
chk := &structs.CheckType{
HTTP: url,
Interval: 20 * time.Millisecond,
}
err = a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
retry.Run(t, func(r *retry.R) {
status := getCheck(a, "tls")
if status.Status != api.HealthPassing {
r.Fatalf("bad: %v", status.Status)
}
if !strings.Contains(status.Output, "200 OK") {
r.Fatalf("bad: %v", status.Output)
}
})
}
// We need to test both methods of passing the CA info to ensure that
// we propagate all the fields correctly. All the other fields are
// covered by the HCL in the test run function.
tests := []struct {
desc string
config string
}{
{"ca_file", `ca_file = "../test/client_certs/rootca.crt"`},
{"ca_path", `ca_path = "../test/client_certs/path"`},
}
for _, tt := range tests {
t.Run(tt.desc, func(t *testing.T) {
run(t, tt.config)
})
}
}
func TestAgent_updateTTLCheck(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
checkBufSize := 100
health := &structs.HealthCheck{
Node: "foo",
CheckID: "mem",
Name: "memory util",
Status: api.HealthCritical,
}
chk := &structs.CheckType{
TTL: 15 * time.Second,
OutputMaxSize: checkBufSize,
}
// Add check and update it.
err := a.AddCheck(health, chk, false, "", ConfigSourceLocal)
if err != nil {
t.Fatalf("err: %v", err)
}
if err := a.updateTTLCheck(structs.NewCheckID("mem", nil), api.HealthPassing, "foo"); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping.
status := getCheck(a, "mem")
if status.Status != api.HealthPassing {
t.Fatalf("bad: %v", status)
}
if status.Output != "foo" {
t.Fatalf("bad: %v", status)
}
if err := a.updateTTLCheck(structs.NewCheckID("mem", nil), api.HealthCritical, strings.Repeat("--bad-- ", 5*checkBufSize)); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have a check mapping.
status = getCheck(a, "mem")
if status.Status != api.HealthCritical {
t.Fatalf("bad: %v", status)
}
if len(status.Output) > checkBufSize*2 {
t.Fatalf("bad: %v", len(status.Output))
}
}
func TestAgent_PersistService(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_PersistService(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_PersistService(t, "enable_central_service_config = true")
})
}
func testAgent_PersistService(t *testing.T, extraHCL string) {
t.Helper()
cfg := `
server = false
bootstrap = false
` + extraHCL
a := StartTestAgent(t, TestAgent{HCL: cfg})
defer a.Shutdown()
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID))
// Check is not persisted unless requested
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
if _, err := os.Stat(file); err == nil {
t.Fatalf("should not persist")
}
// Persists to file if requested
if err := a.addServiceFromSource(svc, nil, true, "mytoken", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
if _, err := os.Stat(file); err != nil {
t.Fatalf("err: %s", err)
}
expected, err := json.Marshal(persistedService{
Token: "mytoken",
Service: svc,
Source: "local",
})
if err != nil {
t.Fatalf("err: %s", err)
}
content, err := ioutil.ReadFile(file)
if err != nil {
t.Fatalf("err: %s", err)
}
if !bytes.Equal(expected, content) {
t.Fatalf("bad: %s", string(content))
}
// Updates service definition on disk
svc.Port = 8001
if err := a.addServiceFromSource(svc, nil, true, "mytoken", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
expected, err = json.Marshal(persistedService{
Token: "mytoken",
Service: svc,
Source: "local",
})
if err != nil {
t.Fatalf("err: %s", err)
}
content, err = ioutil.ReadFile(file)
if err != nil {
t.Fatalf("err: %s", err)
}
if !bytes.Equal(expected, content) {
t.Fatalf("bad: %s", string(content))
}
a.Shutdown()
// Should load it back during later start
a2 := StartTestAgent(t, TestAgent{HCL: cfg, DataDir: a.DataDir})
defer a2.Shutdown()
restored := a2.State.ServiceState(structs.NewServiceID(svc.ID, nil))
if restored == nil {
t.Fatalf("service %q missing", svc.ID)
}
if got, want := restored.Token, "mytoken"; got != want {
t.Fatalf("got token %q want %q", got, want)
}
if got, want := restored.Service.Port, 8001; got != want {
t.Fatalf("got port %d want %d", got, want)
}
}
func TestAgent_persistedService_compat(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_persistedService_compat(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_persistedService_compat(t, "enable_central_service_config = true")
})
}
func testAgent_persistedService_compat(t *testing.T, extraHCL string) {
t.Helper()
// Tests backwards compatibility of persisted services from pre-0.5.1
a := NewTestAgent(t, extraHCL)
defer a.Shutdown()
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
TaggedAddresses: map[string]structs.ServiceAddress{},
Weights: &structs.Weights{Passing: 1, Warning: 1},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
}
// Encode the NodeService directly. This is what previous versions
// would serialize to the file (without the wrapper)
encoded, err := json.Marshal(svc)
if err != nil {
t.Fatalf("err: %s", err)
}
// Write the content to the file
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID))
if err := os.MkdirAll(filepath.Dir(file), 0700); err != nil {
t.Fatalf("err: %s", err)
}
if err := ioutil.WriteFile(file, encoded, 0600); err != nil {
t.Fatalf("err: %s", err)
}
// Load the services
if err := a.loadServices(a.Config, nil); err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the service was restored
result := requireServiceExists(t, a, "redis")
require.Equal(t, svc, result)
}
func TestAgent_PurgeService(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_PurgeService(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_PurgeService(t, "enable_central_service_config = true")
})
}
func testAgent_PurgeService(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, extraHCL)
defer a.Shutdown()
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
file := filepath.Join(a.Config.DataDir, servicesDir, stringHash(svc.ID))
if err := a.addServiceFromSource(svc, nil, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Exists
if _, err := os.Stat(file); err != nil {
t.Fatalf("err: %s", err)
}
// Not removed
if err := a.removeService(structs.NewServiceID(svc.ID, nil), false); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := os.Stat(file); err != nil {
t.Fatalf("err: %s", err)
}
// Re-add the service
if err := a.addServiceFromSource(svc, nil, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Removed
if err := a.removeService(structs.NewServiceID(svc.ID, nil), true); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := os.Stat(file); !os.IsNotExist(err) {
t.Fatalf("bad: %#v", err)
}
}
func TestAgent_PurgeServiceOnDuplicate(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_PurgeServiceOnDuplicate(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_PurgeServiceOnDuplicate(t, "enable_central_service_config = true")
})
}
func testAgent_PurgeServiceOnDuplicate(t *testing.T, extraHCL string) {
t.Helper()
cfg := `
server = false
bootstrap = false
` + extraHCL
a := StartTestAgent(t, TestAgent{HCL: cfg})
defer a.Shutdown()
svc1 := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
// First persist the service
require.NoError(t, a.addServiceFromSource(svc1, nil, true, "", ConfigSourceLocal))
a.Shutdown()
// Try bringing the agent back up with the service already
// existing in the config
a2 := StartTestAgent(t, TestAgent{Name: "Agent2", HCL: cfg + `
service = {
id = "redis"
name = "redis"
tags = ["bar"]
port = 9000
}
`, DataDir: a.DataDir})
defer a2.Shutdown()
sid := svc1.CompoundServiceID()
file := filepath.Join(a.Config.DataDir, servicesDir, sid.StringHash())
_, err := os.Stat(file)
require.Error(t, err, "should have removed persisted service")
result := requireServiceExists(t, a, "redis")
require.NotEqual(t, []string{"bar"}, result.Tags)
require.NotEqual(t, 9000, result.Port)
}
func TestAgent_PersistCheck(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
cfg := `
server = false
bootstrap = false
enable_script_checks = true
`
a := StartTestAgent(t, TestAgent{HCL: cfg})
defer a.Shutdown()
check := &structs.HealthCheck{
Node: a.config.NodeName,
CheckID: "mem",
Name: "memory check",
Status: api.HealthPassing,
}
chkType := &structs.CheckType{
ScriptArgs: []string{"/bin/true"},
Interval: 10 * time.Second,
}
cid := check.CompoundCheckID()
file := filepath.Join(a.Config.DataDir, checksDir, cid.StringHash())
// Not persisted if not requested
require.NoError(t, a.AddCheck(check, chkType, false, "", ConfigSourceLocal))
_, err := os.Stat(file)
require.Error(t, err, "should not persist")
// Should persist if requested
require.NoError(t, a.AddCheck(check, chkType, true, "mytoken", ConfigSourceLocal))
_, err = os.Stat(file)
require.NoError(t, err)
expected, err := json.Marshal(persistedCheck{
Check: check,
ChkType: chkType,
Token: "mytoken",
Source: "local",
})
require.NoError(t, err)
content, err := ioutil.ReadFile(file)
require.NoError(t, err)
require.Equal(t, expected, content)
// Updates the check definition on disk
check.Name = "mem1"
require.NoError(t, a.AddCheck(check, chkType, true, "mytoken", ConfigSourceLocal))
expected, err = json.Marshal(persistedCheck{
Check: check,
ChkType: chkType,
Token: "mytoken",
Source: "local",
})
require.NoError(t, err)
content, err = ioutil.ReadFile(file)
require.NoError(t, err)
require.Equal(t, expected, content)
a.Shutdown()
// Should load it back during later start
a2 := StartTestAgent(t, TestAgent{Name: "Agent2", HCL: cfg, DataDir: a.DataDir})
defer a2.Shutdown()
result := requireCheckExists(t, a2, check.CheckID)
require.Equal(t, api.HealthCritical, result.Status)
require.Equal(t, "mem1", result.Name)
// Should have restored the monitor
requireCheckExistsMap(t, a2.checkMonitors, check.CheckID)
chkState := a2.State.CheckState(structs.NewCheckID(check.CheckID, nil))
require.NotNil(t, chkState)
require.Equal(t, "mytoken", chkState.Token)
}
func TestAgent_PurgeCheck(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
check := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "mem",
Name: "memory check",
Status: api.HealthPassing,
}
file := filepath.Join(a.Config.DataDir, checksDir, checkIDHash(check.CheckID))
if err := a.AddCheck(check, nil, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Not removed
if err := a.RemoveCheck(structs.NewCheckID(check.CheckID, nil), false); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := os.Stat(file); err != nil {
t.Fatalf("err: %s", err)
}
// Removed
if err := a.RemoveCheck(structs.NewCheckID(check.CheckID, nil), true); err != nil {
t.Fatalf("err: %s", err)
}
if _, err := os.Stat(file); !os.IsNotExist(err) {
t.Fatalf("bad: %#v", err)
}
}
func TestAgent_PurgeCheckOnDuplicate(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
nodeID := NodeID()
a := StartTestAgent(t, TestAgent{
HCL: `
node_id = "` + nodeID + `"
node_name = "Node ` + nodeID + `"
server = false
bootstrap = false
enable_script_checks = true
`})
defer a.Shutdown()
check1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "mem",
Name: "memory check",
Status: api.HealthPassing,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
}
// First persist the check
if err := a.AddCheck(check1, nil, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
a.Shutdown()
// Start again with the check registered in config
a2 := StartTestAgent(t, TestAgent{
Name: "Agent2",
DataDir: a.DataDir,
HCL: `
node_id = "` + nodeID + `"
node_name = "Node ` + nodeID + `"
server = false
bootstrap = false
enable_script_checks = true
check = {
id = "mem"
name = "memory check"
notes = "my cool notes"
args = ["/bin/check-redis.py"]
interval = "30s"
}
`})
defer a2.Shutdown()
cid := check1.CompoundCheckID()
file := filepath.Join(a.DataDir, checksDir, cid.StringHash())
if _, err := os.Stat(file); err == nil {
t.Fatalf("should have removed persisted check")
}
result := requireCheckExists(t, a2, "mem")
expected := &structs.HealthCheck{
Node: a2.Config.NodeName,
CheckID: "mem",
Name: "memory check",
Status: api.HealthCritical,
Notes: "my cool notes",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
}
require.Equal(t, expected, result)
}
func TestAgent_DeregisterPersistedSidecarAfterRestart(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
nodeID := NodeID()
a := StartTestAgent(t, TestAgent{
HCL: `
node_id = "` + nodeID + `"
node_name = "Node ` + nodeID + `"
server = false
bootstrap = false
enable_central_service_config = false
`})
defer a.Shutdown()
srv := &structs.NodeService{
ID: "svc",
Service: "svc",
Weights: &structs.Weights{
Passing: 2,
Warning: 1,
},
Tags: []string{"tag2"},
Port: 8200,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
Connect: structs.ServiceConnect{
SidecarService: &structs.ServiceDefinition{},
},
}
connectSrv, _, _, err := a.sidecarServiceFromNodeService(srv, "")
require.NoError(t, err)
// First persist the check
err = a.addServiceFromSource(srv, nil, true, "", ConfigSourceLocal)
require.NoError(t, err)
err = a.addServiceFromSource(connectSrv, nil, true, "", ConfigSourceLocal)
require.NoError(t, err)
// check both services were registered
require.NotNil(t, a.State.Service(srv.CompoundServiceID()))
require.NotNil(t, a.State.Service(connectSrv.CompoundServiceID()))
a.Shutdown()
// Start again with the check registered in config
a2 := StartTestAgent(t, TestAgent{
Name: "Agent2",
DataDir: a.DataDir,
HCL: `
node_id = "` + nodeID + `"
node_name = "Node ` + nodeID + `"
server = false
bootstrap = false
enable_central_service_config = false
`})
defer a2.Shutdown()
// check both services were restored
require.NotNil(t, a2.State.Service(srv.CompoundServiceID()))
require.NotNil(t, a2.State.Service(connectSrv.CompoundServiceID()))
err = a2.RemoveService(srv.CompoundServiceID())
require.NoError(t, err)
// check both services were deregistered
require.Nil(t, a2.State.Service(srv.CompoundServiceID()))
require.Nil(t, a2.State.Service(connectSrv.CompoundServiceID()))
}
func TestAgent_loadChecks_token(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
check = {
id = "rabbitmq"
name = "rabbitmq"
token = "abc123"
ttl = "10s"
}
`)
defer a.Shutdown()
requireCheckExists(t, a, "rabbitmq")
require.Equal(t, "abc123", a.State.CheckToken(structs.NewCheckID("rabbitmq", nil)))
}
func TestAgent_unloadChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// First register a service
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Register a check
check1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "service:redis",
Name: "redischeck",
Status: api.HealthPassing,
ServiceID: "redis",
ServiceName: "redis",
}
if err := a.AddCheck(check1, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %s", err)
}
requireCheckExists(t, a, check1.CheckID)
// Unload all of the checks
if err := a.unloadChecks(); err != nil {
t.Fatalf("err: %s", err)
}
// Make sure it was unloaded
requireCheckMissing(t, a, check1.CheckID)
}
func TestAgent_loadServices_token(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_token(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_token(t, "enable_central_service_config = true")
})
}
func testAgent_loadServices_token(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
service = {
id = "rabbitmq"
name = "rabbitmq"
port = 5672
token = "abc123"
}
`+extraHCL)
defer a.Shutdown()
requireServiceExists(t, a, "rabbitmq")
if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq", nil)); token != "abc123" {
t.Fatalf("bad: %s", token)
}
}
func TestAgent_loadServices_sidecar(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecar(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecar(t, "enable_central_service_config = true")
})
}
func testAgent_loadServices_sidecar(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
service = {
id = "rabbitmq"
name = "rabbitmq"
port = 5672
token = "abc123"
connect = {
sidecar_service {}
}
}
`+extraHCL)
defer a.Shutdown()
svc := requireServiceExists(t, a, "rabbitmq")
if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq", nil)); token != "abc123" {
t.Fatalf("bad: %s", token)
}
requireServiceExists(t, a, "rabbitmq-sidecar-proxy")
if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq-sidecar-proxy", nil)); token != "abc123" {
t.Fatalf("bad: %s", token)
}
// Sanity check rabbitmq service should NOT have sidecar info in state since
// it's done it's job and should be a registration syntax sugar only.
assert.Nil(t, svc.Connect.SidecarService)
}
func TestAgent_loadServices_sidecarSeparateToken(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecarSeparateToken(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecarSeparateToken(t, "enable_central_service_config = true")
})
}
func testAgent_loadServices_sidecarSeparateToken(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
service = {
id = "rabbitmq"
name = "rabbitmq"
port = 5672
token = "abc123"
connect = {
sidecar_service {
token = "789xyz"
}
}
}
`+extraHCL)
defer a.Shutdown()
requireServiceExists(t, a, "rabbitmq")
if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq", nil)); token != "abc123" {
t.Fatalf("bad: %s", token)
}
requireServiceExists(t, a, "rabbitmq-sidecar-proxy")
if token := a.State.ServiceToken(structs.NewServiceID("rabbitmq-sidecar-proxy", nil)); token != "789xyz" {
t.Fatalf("bad: %s", token)
}
}
func TestAgent_loadServices_sidecarInheritMeta(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecarInheritMeta(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecarInheritMeta(t, "enable_central_service_config = true")
})
}
func testAgent_loadServices_sidecarInheritMeta(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
service = {
id = "rabbitmq"
name = "rabbitmq"
port = 5672
tags = ["a", "b"],
meta = {
environment = "prod"
}
connect = {
sidecar_service {
}
}
}
`+extraHCL)
defer a.Shutdown()
svc := requireServiceExists(t, a, "rabbitmq")
require.Len(t, svc.Tags, 2)
require.Len(t, svc.Meta, 1)
sidecar := requireServiceExists(t, a, "rabbitmq-sidecar-proxy")
require.ElementsMatch(t, svc.Tags, sidecar.Tags)
require.Len(t, sidecar.Meta, 1)
meta, ok := sidecar.Meta["environment"]
require.True(t, ok, "missing sidecar service meta")
require.Equal(t, "prod", meta)
}
func TestAgent_loadServices_sidecarOverrideMeta(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecarOverrideMeta(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_loadServices_sidecarOverrideMeta(t, "enable_central_service_config = true")
})
}
func testAgent_loadServices_sidecarOverrideMeta(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, `
service = {
id = "rabbitmq"
name = "rabbitmq"
port = 5672
tags = ["a", "b"],
meta = {
environment = "prod"
}
connect = {
sidecar_service {
tags = ["foo"],
meta = {
environment = "qa"
}
}
}
}
`+extraHCL)
defer a.Shutdown()
svc := requireServiceExists(t, a, "rabbitmq")
require.Len(t, svc.Tags, 2)
require.Len(t, svc.Meta, 1)
sidecar := requireServiceExists(t, a, "rabbitmq-sidecar-proxy")
require.Len(t, sidecar.Tags, 1)
require.Equal(t, "foo", sidecar.Tags[0])
require.Len(t, sidecar.Meta, 1)
meta, ok := sidecar.Meta["environment"]
require.True(t, ok, "missing sidecar service meta")
require.Equal(t, "qa", meta)
}
func TestAgent_unloadServices(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_unloadServices(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_unloadServices(t, "enable_central_service_config = true")
})
}
func testAgent_unloadServices(t *testing.T, extraHCL string) {
t.Helper()
a := NewTestAgent(t, extraHCL)
defer a.Shutdown()
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
// Register the service
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
requireServiceExists(t, a, svc.ID)
// Unload all services
if err := a.unloadServices(); err != nil {
t.Fatalf("err: %s", err)
}
if len(a.State.Services(structs.WildcardEnterpriseMeta())) != 0 {
t.Fatalf("should have unloaded services")
}
}
func TestAgent_Service_MaintenanceMode(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
// Register the service
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
sid := structs.NewServiceID("redis", nil)
// Enter maintenance mode for the service
if err := a.EnableServiceMaintenance(sid, "broken", "mytoken"); err != nil {
t.Fatalf("err: %s", err)
}
// Make sure the critical health check was added
checkID := serviceMaintCheckID(sid)
check := a.State.Check(checkID)
if check == nil {
t.Fatalf("should have registered critical maintenance check")
}
// Check that the token was used to register the check
if token := a.State.CheckToken(checkID); token != "mytoken" {
t.Fatalf("expected 'mytoken', got: '%s'", token)
}
// Ensure the reason was set in notes
if check.Notes != "broken" {
t.Fatalf("bad: %#v", check)
}
// Leave maintenance mode
if err := a.DisableServiceMaintenance(sid); err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the check was deregistered
if found := a.State.Check(checkID); found != nil {
t.Fatalf("should have deregistered maintenance check")
}
// Enter service maintenance mode without providing a reason
if err := a.EnableServiceMaintenance(sid, "", ""); err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the check was registered with the default notes
check = a.State.Check(checkID)
if check == nil {
t.Fatalf("should have registered critical check")
}
if check.Notes != defaultServiceMaintReason {
t.Fatalf("bad: %#v", check)
}
}
func TestAgent_Service_Reap(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// t.Parallel() // timing test. no parallel
a := StartTestAgent(t, TestAgent{Overrides: `
check_reap_interval = "50ms"
check_deregister_interval_min = "0s"
`})
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
chkTypes := []*structs.CheckType{
{
Status: api.HealthPassing,
TTL: 25 * time.Millisecond,
DeregisterCriticalServiceAfter: 200 * time.Millisecond,
},
}
// Register the service.
if err := a.addServiceFromSource(svc, chkTypes, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure it's there and there's no critical check yet.
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0, "should not have critical checks")
// Wait for the check TTL to fail but before the check is reaped.
time.Sleep(100 * time.Millisecond)
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(nil), 1, "should have 1 critical check")
// Pass the TTL.
if err := a.updateTTLCheck(structs.NewCheckID("service:redis", nil), api.HealthPassing, "foo"); err != nil {
t.Fatalf("err: %v", err)
}
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0, "should not have critical checks")
// Wait for the check TTL to fail again.
time.Sleep(100 * time.Millisecond)
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 1, "should have 1 critical check")
// Wait for the reap.
time.Sleep(400 * time.Millisecond)
requireServiceMissing(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0, "should not have critical checks")
}
func TestAgent_Service_NoReap(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// t.Parallel() // timing test. no parallel
a := StartTestAgent(t, TestAgent{Overrides: `
check_reap_interval = "50ms"
check_deregister_interval_min = "0s"
`})
defer a.Shutdown()
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
chkTypes := []*structs.CheckType{
{
Status: api.HealthPassing,
TTL: 25 * time.Millisecond,
},
}
// Register the service.
if err := a.addServiceFromSource(svc, chkTypes, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Make sure it's there and there's no critical check yet.
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 0)
// Wait for the check TTL to fail.
time.Sleep(200 * time.Millisecond)
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 1)
// Wait a while and make sure it doesn't reap.
time.Sleep(200 * time.Millisecond)
requireServiceExists(t, a, "redis")
require.Len(t, a.State.CriticalCheckStates(structs.WildcardEnterpriseMeta()), 1)
}
func TestAgent_AddService_restoresSnapshot(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_AddService_restoresSnapshot(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_AddService_restoresSnapshot(t, "enable_central_service_config = true")
})
}
func testAgent_AddService_restoresSnapshot(t *testing.T, extraHCL string) {
a := NewTestAgent(t, extraHCL)
defer a.Shutdown()
// First register a service
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
require.NoError(t, a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal))
// Register a check
check1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "service:redis",
Name: "redischeck",
Status: api.HealthPassing,
ServiceID: "redis",
ServiceName: "redis",
}
require.NoError(t, a.AddCheck(check1, nil, false, "", ConfigSourceLocal))
// Re-registering the service preserves the state of the check
chkTypes := []*structs.CheckType{{TTL: 30 * time.Second}}
require.NoError(t, a.addServiceFromSource(svc, chkTypes, false, "", ConfigSourceLocal))
check := requireCheckExists(t, a, "service:redis")
require.Equal(t, api.HealthPassing, check.Status)
}
func TestAgent_AddCheck_restoresSnapshot(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// First register a service
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Register a check
check1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "service:redis",
Name: "redischeck",
Status: api.HealthPassing,
ServiceID: "redis",
ServiceName: "redis",
}
if err := a.AddCheck(check1, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %s", err)
}
// Re-registering the check preserves its state
check1.Status = ""
if err := a.AddCheck(check1, &structs.CheckType{TTL: 30 * time.Second}, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %s", err)
}
check := requireCheckExists(t, a, "service:redis")
if check.Status != api.HealthPassing {
t.Fatalf("bad: %s", check.Status)
}
}
func TestAgent_NodeMaintenanceMode(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Enter maintenance mode for the node
a.EnableNodeMaintenance("broken", "mytoken")
// Make sure the critical health check was added
check := requireCheckExists(t, a, structs.NodeMaint)
// Check that the token was used to register the check
if token := a.State.CheckToken(structs.NodeMaintCheckID); token != "mytoken" {
t.Fatalf("expected 'mytoken', got: '%s'", token)
}
// Ensure the reason was set in notes
if check.Notes != "broken" {
t.Fatalf("bad: %#v", check)
}
// Leave maintenance mode
a.DisableNodeMaintenance()
// Ensure the check was deregistered
requireCheckMissing(t, a, structs.NodeMaint)
// Enter maintenance mode without passing a reason
a.EnableNodeMaintenance("", "")
// Make sure the check was registered with the default note
check = requireCheckExists(t, a, structs.NodeMaint)
if check.Notes != defaultNodeMaintReason {
t.Fatalf("bad: %#v", check)
}
}
func TestAgent_checkStateSnapshot(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// First register a service
svc := &structs.NodeService{
ID: "redis",
Service: "redis",
Tags: []string{"foo"},
Port: 8000,
}
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %v", err)
}
// Register a check
check1 := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "service:redis",
Name: "redischeck",
Status: api.HealthPassing,
ServiceID: "redis",
ServiceName: "redis",
}
if err := a.AddCheck(check1, nil, true, "", ConfigSourceLocal); err != nil {
t.Fatalf("err: %s", err)
}
// Snapshot the state
snap := a.snapshotCheckState()
// Unload all of the checks
if err := a.unloadChecks(); err != nil {
t.Fatalf("err: %s", err)
}
// Reload the checks and restore the snapshot.
if err := a.loadChecks(a.Config, snap); err != nil {
t.Fatalf("err: %s", err)
}
// Search for the check
out := requireCheckExists(t, a, check1.CheckID)
// Make sure state was restored
if out.Status != api.HealthPassing {
t.Fatalf("should have restored check state")
}
}
func TestAgent_loadChecks_checkFails(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Persist a health check with an invalid service ID
check := &structs.HealthCheck{
Node: a.Config.NodeName,
CheckID: "service:redis",
Name: "redischeck",
Status: api.HealthPassing,
ServiceID: "nope",
}
if err := a.persistCheck(check, nil, ConfigSourceLocal); err != nil {
t.Fatalf("err: %s", err)
}
// Check to make sure the check was persisted
checkHash := checkIDHash(check.CheckID)
checkPath := filepath.Join(a.Config.DataDir, checksDir, checkHash)
if _, err := os.Stat(checkPath); err != nil {
t.Fatalf("err: %s", err)
}
// Try loading the checks from the persisted files
if err := a.loadChecks(a.Config, nil); err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the erroneous check was purged
if _, err := os.Stat(checkPath); err == nil {
t.Fatalf("should have purged check")
}
}
func TestAgent_persistCheckState(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
cid := structs.NewCheckID("check1", nil)
// Create the TTL check to persist
check := &checks.CheckTTL{
CheckID: cid,
TTL: 10 * time.Minute,
}
// Persist some check state for the check
err := a.persistCheckState(check, api.HealthCritical, "nope")
if err != nil {
t.Fatalf("err: %s", err)
}
// Check the persisted file exists and has the content
file := filepath.Join(a.Config.DataDir, checkStateDir, cid.StringHash())
buf, err := ioutil.ReadFile(file)
if err != nil {
t.Fatalf("err: %s", err)
}
// Decode the state
var p persistedCheckState
if err := json.Unmarshal(buf, &p); err != nil {
t.Fatalf("err: %s", err)
}
// Check the fields
if p.CheckID != cid.ID {
t.Fatalf("bad: %#v", p)
}
if p.Output != "nope" {
t.Fatalf("bad: %#v", p)
}
if p.Status != api.HealthCritical {
t.Fatalf("bad: %#v", p)
}
// Check the expiration time was set
if p.Expires < time.Now().Unix() {
t.Fatalf("bad: %#v", p)
}
}
func TestAgent_loadCheckState(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Create a check whose state will expire immediately
check := &checks.CheckTTL{
CheckID: structs.NewCheckID("check1", nil),
TTL: 0,
}
// Persist the check state
err := a.persistCheckState(check, api.HealthPassing, "yup")
if err != nil {
t.Fatalf("err: %s", err)
}
// Try to load the state
health := &structs.HealthCheck{
CheckID: "check1",
Status: api.HealthCritical,
}
if err := a.loadCheckState(health); err != nil {
t.Fatalf("err: %s", err)
}
// Should not have restored the status due to expiration
if health.Status != api.HealthCritical {
t.Fatalf("bad: %#v", health)
}
if health.Output != "" {
t.Fatalf("bad: %#v", health)
}
// Should have purged the state
file := filepath.Join(a.Config.DataDir, checksDir, stringHash("check1"))
if _, err := os.Stat(file); !os.IsNotExist(err) {
t.Fatalf("should have purged state")
}
// Set a TTL which will not expire before we check it
check.TTL = time.Minute
err = a.persistCheckState(check, api.HealthPassing, "yup")
if err != nil {
t.Fatalf("err: %s", err)
}
// Try to load
if err := a.loadCheckState(health); err != nil {
t.Fatalf("err: %s", err)
}
// Should have restored
if health.Status != api.HealthPassing {
t.Fatalf("bad: %#v", health)
}
if health.Output != "yup" {
t.Fatalf("bad: %#v", health)
}
}
func TestAgent_purgeCheckState(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
cid := structs.NewCheckID("check1", nil)
// No error if the state does not exist
if err := a.purgeCheckState(cid); err != nil {
t.Fatalf("err: %s", err)
}
// Persist some state to the data dir
check := &checks.CheckTTL{
CheckID: cid,
TTL: time.Minute,
}
err := a.persistCheckState(check, api.HealthPassing, "yup")
if err != nil {
t.Fatalf("err: %s", err)
}
// Purge the check state
if err := a.purgeCheckState(cid); err != nil {
t.Fatalf("err: %s", err)
}
// Removed the file
file := filepath.Join(a.Config.DataDir, checkStateDir, cid.StringHash())
if _, err := os.Stat(file); !os.IsNotExist(err) {
t.Fatalf("should have removed file")
}
}
func TestAgent_GetCoordinate(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
a := NewTestAgent(t, ``)
defer a.Shutdown()
coords, err := a.GetLANCoordinate()
require.NoError(t, err)
expected := lib.CoordinateSet{
"": &coordinate.Coordinate{
Error: 1.5,
Height: 1e-05,
Vec: []float64{0, 0, 0, 0, 0, 0, 0, 0},
},
}
require.Equal(t, expected, coords)
}
func TestAgent_reloadWatches(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Normal watch with http addr set, should succeed
newConf := *a.config
newConf.Watches = []map[string]interface{}{
{
"type": "key",
"key": "asdf",
"args": []interface{}{"ls"},
},
}
if err := a.reloadWatches(&newConf); err != nil {
t.Fatalf("bad: %s", err)
}
// Should fail to reload with connect watches
newConf.Watches = []map[string]interface{}{
{
"type": "connect_roots",
"key": "asdf",
"args": []interface{}{"ls"},
},
}
if err := a.reloadWatches(&newConf); err == nil || !strings.Contains(err.Error(), "not allowed in agent config") {
t.Fatalf("bad: %s", err)
}
// Should still succeed with only HTTPS addresses
newConf.HTTPSAddrs = newConf.HTTPAddrs
newConf.HTTPAddrs = make([]net.Addr, 0)
newConf.Watches = []map[string]interface{}{
{
"type": "key",
"key": "asdf",
"args": []interface{}{"ls"},
},
}
if err := a.reloadWatches(&newConf); err != nil {
t.Fatalf("bad: %s", err)
}
// Should fail to reload with no http or https addrs
newConf.HTTPSAddrs = make([]net.Addr, 0)
newConf.Watches = []map[string]interface{}{
{
"type": "key",
"key": "asdf",
"args": []interface{}{"ls"},
},
}
if err := a.reloadWatches(&newConf); err == nil || !strings.Contains(err.Error(), "watch plans require an HTTP or HTTPS endpoint") {
t.Fatalf("bad: %s", err)
}
}
func TestAgent_reloadWatchesHTTPS(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := TestAgent{UseTLS: true}
if err := a.Start(t); err != nil {
t.Fatal(err)
}
defer a.Shutdown()
// Normal watch with http addr set, should succeed
newConf := *a.config
newConf.Watches = []map[string]interface{}{
{
"type": "key",
"key": "asdf",
"args": []interface{}{"ls"},
},
}
if err := a.reloadWatches(&newConf); err != nil {
t.Fatalf("bad: %s", err)
}
}
func TestAgent_SecurityChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
hcl := `
enable_script_checks = true
`
a := &TestAgent{Name: t.Name(), HCL: hcl}
defer a.Shutdown()
data := make([]byte, 0, 8192)
bytesBuffer := bytes.NewBuffer(data)
a.LogOutput = bytesBuffer
assert.NoError(t, a.Start(t))
assert.Contains(t, bytesBuffer.String(), "using enable-script-checks without ACLs and without allow_write_http_from is DANGEROUS")
}
func TestAgent_ReloadConfigOutgoingRPCConfig(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
hcl := `
data_dir = "` + dataDir + `"
verify_outgoing = true
ca_file = "../test/ca/root.cer"
cert_file = "../test/key/ourdomain.cer"
key_file = "../test/key/ourdomain.key"
verify_server_hostname = false
`
a := NewTestAgent(t, hcl)
defer a.Shutdown()
tlsConf := a.tlsConfigurator.OutgoingRPCConfig()
require.True(t, tlsConf.InsecureSkipVerify)
require.Len(t, tlsConf.ClientCAs.Subjects(), 1)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
hcl = `
data_dir = "` + dataDir + `"
verify_outgoing = true
ca_path = "../test/ca_path"
cert_file = "../test/key/ourdomain.cer"
key_file = "../test/key/ourdomain.key"
verify_server_hostname = true
`
c := TestConfig(testutil.Logger(t), config.FileSource{Name: t.Name(), Format: "hcl", Data: hcl})
require.NoError(t, a.reloadConfigInternal(c))
tlsConf = a.tlsConfigurator.OutgoingRPCConfig()
require.False(t, tlsConf.InsecureSkipVerify)
require.Len(t, tlsConf.RootCAs.Subjects(), 2)
require.Len(t, tlsConf.ClientCAs.Subjects(), 2)
}
func TestAgent_ReloadConfigAndKeepChecksStatus(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Run("normal", func(t *testing.T) {
t.Parallel()
testAgent_ReloadConfigAndKeepChecksStatus(t, "enable_central_service_config = false")
})
t.Run("service manager", func(t *testing.T) {
t.Parallel()
testAgent_ReloadConfigAndKeepChecksStatus(t, "enable_central_service_config = true")
})
}
func testAgent_ReloadConfigAndKeepChecksStatus(t *testing.T, extraHCL string) {
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
hcl := `data_dir = "` + dataDir + `"
enable_local_script_checks=true
services=[{
name="webserver1",
check{id="check1", ttl="30s"}
}] ` + extraHCL
a := NewTestAgent(t, hcl)
defer a.Shutdown()
require.NoError(t, a.updateTTLCheck(structs.NewCheckID("check1", nil), api.HealthPassing, "testing agent reload"))
// Make sure check is passing before we reload.
gotChecks := a.State.Checks(nil)
require.Equal(t, 1, len(gotChecks), "Should have a check registered, but had %#v", gotChecks)
for id, check := range gotChecks {
require.Equal(t, "passing", check.Status, "check %q is wrong", id)
}
c := TestConfig(testutil.Logger(t), config.FileSource{Name: t.Name(), Format: "hcl", Data: hcl})
require.NoError(t, a.reloadConfigInternal(c))
// After reload, should be passing directly (no critical state)
for id, check := range a.State.Checks(nil) {
require.Equal(t, "passing", check.Status, "check %q is wrong", id)
}
}
func TestAgent_ReloadConfigIncomingRPCConfig(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
hcl := `
data_dir = "` + dataDir + `"
verify_outgoing = true
ca_file = "../test/ca/root.cer"
cert_file = "../test/key/ourdomain.cer"
key_file = "../test/key/ourdomain.key"
verify_server_hostname = false
`
a := NewTestAgent(t, hcl)
defer a.Shutdown()
tlsConf := a.tlsConfigurator.IncomingRPCConfig()
require.NotNil(t, tlsConf.GetConfigForClient)
tlsConf, err := tlsConf.GetConfigForClient(nil)
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.True(t, tlsConf.InsecureSkipVerify)
require.Len(t, tlsConf.ClientCAs.Subjects(), 1)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
hcl = `
data_dir = "` + dataDir + `"
verify_outgoing = true
ca_path = "../test/ca_path"
cert_file = "../test/key/ourdomain.cer"
key_file = "../test/key/ourdomain.key"
verify_server_hostname = true
`
c := TestConfig(testutil.Logger(t), config.FileSource{Name: t.Name(), Format: "hcl", Data: hcl})
require.NoError(t, a.reloadConfigInternal(c))
tlsConf, err = tlsConf.GetConfigForClient(nil)
require.NoError(t, err)
require.False(t, tlsConf.InsecureSkipVerify)
require.Len(t, tlsConf.ClientCAs.Subjects(), 2)
require.Len(t, tlsConf.RootCAs.Subjects(), 2)
}
func TestAgent_ReloadConfigTLSConfigFailure(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
hcl := `
data_dir = "` + dataDir + `"
verify_outgoing = true
ca_file = "../test/ca/root.cer"
cert_file = "../test/key/ourdomain.cer"
key_file = "../test/key/ourdomain.key"
verify_server_hostname = false
`
a := NewTestAgent(t, hcl)
defer a.Shutdown()
tlsConf := a.tlsConfigurator.IncomingRPCConfig()
hcl = `
data_dir = "` + dataDir + `"
verify_incoming = true
`
c := TestConfig(testutil.Logger(t), config.FileSource{Name: t.Name(), Format: "hcl", Data: hcl})
require.Error(t, a.reloadConfigInternal(c))
tlsConf, err := tlsConf.GetConfigForClient(nil)
require.NoError(t, err)
require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth)
require.Len(t, tlsConf.ClientCAs.Subjects(), 1)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
}
func TestAgent_consulConfig_AutoEncryptAllowTLS(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dataDir := testutil.TempDir(t, "agent") // we manage the data dir
hcl := `
data_dir = "` + dataDir + `"
verify_incoming = true
ca_file = "../test/ca/root.cer"
cert_file = "../test/key/ourdomain.cer"
key_file = "../test/key/ourdomain.key"
auto_encrypt { allow_tls = true }
`
a := NewTestAgent(t, hcl)
defer a.Shutdown()
require.True(t, a.consulConfig().AutoEncryptAllowTLS)
}
func TestAgent_consulConfig_RaftTrailingLogs(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
hcl := `
raft_trailing_logs = 812345
`
a := NewTestAgent(t, hcl)
defer a.Shutdown()
require.Equal(t, uint64(812345), a.consulConfig().RaftConfig.TrailingLogs)
}
func TestAgent_grpcInjectAddr(t *testing.T) {
tt := []struct {
name string
grpc string
ip string
port int
want string
}{
{
name: "localhost web svc",
grpc: "localhost:8080/web",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090/web",
},
{
name: "localhost no svc",
grpc: "localhost:8080",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090",
},
{
name: "ipv4 web svc",
grpc: "127.0.0.1:8080/web",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090/web",
},
{
name: "ipv4 no svc",
grpc: "127.0.0.1:8080",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090",
},
{
name: "ipv6 no svc",
grpc: "2001:db8:1f70::999:de8:7648:6e8:5000",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090",
},
{
name: "ipv6 web svc",
grpc: "2001:db8:1f70::999:de8:7648:6e8:5000/web",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090/web",
},
{
name: "zone ipv6 web svc",
grpc: "::FFFF:C0A8:1%1:5000/web",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090/web",
},
{
name: "ipv6 literal web svc",
grpc: "::FFFF:192.168.0.1:5000/web",
ip: "192.168.0.0",
port: 9090,
want: "192.168.0.0:9090/web",
},
{
name: "ipv6 injected into ipv6 url",
grpc: "2001:db8:1f70::999:de8:7648:6e8:5000",
ip: "::FFFF:C0A8:1",
port: 9090,
want: "::FFFF:C0A8:1:9090",
},
{
name: "ipv6 injected into ipv6 url with svc",
grpc: "2001:db8:1f70::999:de8:7648:6e8:5000/web",
ip: "::FFFF:C0A8:1",
port: 9090,
want: "::FFFF:C0A8:1:9090/web",
},
{
name: "ipv6 injected into ipv6 url with special",
grpc: "2001:db8:1f70::999:de8:7648:6e8:5000/service-$name:with@special:Chars",
ip: "::FFFF:C0A8:1",
port: 9090,
want: "::FFFF:C0A8:1:9090/service-$name:with@special:Chars",
},
}
for _, tt := range tt {
t.Run(tt.name, func(t *testing.T) {
got := grpcInjectAddr(tt.grpc, tt.ip, tt.port)
if got != tt.want {
t.Errorf("httpInjectAddr() got = %v, want %v", got, tt.want)
}
})
}
}
func TestAgent_httpInjectAddr(t *testing.T) {
tt := []struct {
name string
url string
ip string
port int
want string
}{
{
name: "localhost health",
url: "http://localhost:8080/health",
ip: "192.168.0.0",
port: 9090,
want: "http://192.168.0.0:9090/health",
},
{
name: "https localhost health",
url: "https://localhost:8080/health",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090/health",
},
{
name: "https ipv4 health",
url: "https://127.0.0.1:8080/health",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090/health",
},
{
name: "https ipv4 without path",
url: "https://127.0.0.1:8080",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090",
},
{
name: "https ipv6 health",
url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000/health",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090/health",
},
{
name: "https ipv6 with zone",
url: "https://[::FFFF:C0A8:1%1]:5000/health",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090/health",
},
{
name: "https ipv6 literal",
url: "https://[::FFFF:192.168.0.1]:5000/health",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090/health",
},
{
name: "https ipv6 without path",
url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000",
ip: "192.168.0.0",
port: 9090,
want: "https://192.168.0.0:9090",
},
{
name: "ipv6 injected into ipv6 url",
url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000",
ip: "::FFFF:C0A8:1",
port: 9090,
want: "https://[::FFFF:C0A8:1]:9090",
},
{
name: "ipv6 with brackets injected into ipv6 url",
url: "https://[2001:db8:1f70::999:de8:7648:6e8]:5000",
ip: "[::FFFF:C0A8:1]",
port: 9090,
want: "https://[::FFFF:C0A8:1]:9090",
},
{
name: "short domain health",
url: "http://i.co:8080/health",
ip: "192.168.0.0",
port: 9090,
want: "http://192.168.0.0:9090/health",
},
{
name: "nested url in query",
url: "http://my.corp.com:8080/health?from=http://google.com:8080",
ip: "192.168.0.0",
port: 9090,
want: "http://192.168.0.0:9090/health?from=http://google.com:8080",
},
}
for _, tt := range tt {
t.Run(tt.name, func(t *testing.T) {
got := httpInjectAddr(tt.url, tt.ip, tt.port)
if got != tt.want {
t.Errorf("httpInjectAddr() got = %v, want %v", got, tt.want)
}
})
}
}
func TestDefaultIfEmpty(t *testing.T) {
require.Equal(t, "", defaultIfEmpty("", ""))
require.Equal(t, "foo", defaultIfEmpty("", "foo"))
require.Equal(t, "bar", defaultIfEmpty("bar", "foo"))
require.Equal(t, "bar", defaultIfEmpty("bar", ""))
}
func TestConfigSourceFromName(t *testing.T) {
cases := []struct {
in string
expect configSource
bad bool
}{
{in: "local", expect: ConfigSourceLocal},
{in: "remote", expect: ConfigSourceRemote},
{in: "", expect: ConfigSourceLocal},
{in: "LOCAL", bad: true},
{in: "REMOTE", bad: true},
{in: "garbage", bad: true},
{in: " ", bad: true},
}
for _, tc := range cases {
tc := tc
t.Run(tc.in, func(t *testing.T) {
got, ok := ConfigSourceFromName(tc.in)
if tc.bad {
require.False(t, ok)
require.Empty(t, got)
} else {
require.True(t, ok)
require.Equal(t, tc.expect, got)
}
})
}
}
func TestAgent_RerouteExistingHTTPChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Register a service without a ProxyAddr
svc := &structs.NodeService{
ID: "web",
Service: "web",
Address: "localhost",
Port: 8080,
}
chks := []*structs.CheckType{
{
CheckID: "http",
HTTP: "http://localhost:8080/mypath?query",
Interval: 20 * time.Millisecond,
TLSSkipVerify: true,
},
{
CheckID: "grpc",
GRPC: "localhost:8080/myservice",
Interval: 20 * time.Millisecond,
TLSSkipVerify: true,
},
}
if err := a.addServiceFromSource(svc, chks, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add svc: %v", err)
}
// Register a proxy and expose HTTP checks
// This should trigger setting ProxyHTTP and ProxyGRPC in the checks
proxy := &structs.NodeService{
Kind: "connect-proxy",
ID: "web-proxy",
Service: "web-proxy",
Address: "localhost",
Port: 21500,
Proxy: structs.ConnectProxyConfig{
DestinationServiceName: "web",
DestinationServiceID: "web",
LocalServiceAddress: "localhost",
LocalServicePort: 8080,
MeshGateway: structs.MeshGatewayConfig{},
Expose: structs.ExposeConfig{
Checks: true,
},
},
}
if err := a.addServiceFromSource(proxy, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add svc: %v", err)
}
retry.Run(t, func(r *retry.R) {
chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil))
got := chks[0].ProxyHTTP
if got == "" {
r.Fatal("proxyHTTP addr not set in check")
}
want := "http://localhost:21500/mypath?query"
if got != want {
r.Fatalf("unexpected proxy addr in check, want: %s, got: %s", want, got)
}
})
retry.Run(t, func(r *retry.R) {
chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil))
// Will be at a later index than HTTP check because of the fetching order in ServiceHTTPBasedChecks
got := chks[1].ProxyGRPC
if got == "" {
r.Fatal("ProxyGRPC addr not set in check")
}
// Node that this relies on listener ports auto-incrementing in a.listenerPortLocked
want := "localhost:21501/myservice"
if got != want {
r.Fatalf("unexpected proxy addr in check, want: %s, got: %s", want, got)
}
})
// Re-register a proxy and disable exposing HTTP checks
// This should trigger resetting ProxyHTTP and ProxyGRPC to empty strings
proxy = &structs.NodeService{
Kind: "connect-proxy",
ID: "web-proxy",
Service: "web-proxy",
Address: "localhost",
Port: 21500,
Proxy: structs.ConnectProxyConfig{
DestinationServiceName: "web",
DestinationServiceID: "web",
LocalServiceAddress: "localhost",
LocalServicePort: 8080,
MeshGateway: structs.MeshGatewayConfig{},
Expose: structs.ExposeConfig{
Checks: false,
},
},
}
if err := a.addServiceFromSource(proxy, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add svc: %v", err)
}
retry.Run(t, func(r *retry.R) {
chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil))
got := chks[0].ProxyHTTP
if got != "" {
r.Fatal("ProxyHTTP addr was not reset")
}
})
retry.Run(t, func(r *retry.R) {
chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil))
// Will be at a later index than HTTP check because of the fetching order in ServiceHTTPBasedChecks
got := chks[1].ProxyGRPC
if got != "" {
r.Fatal("ProxyGRPC addr was not reset")
}
})
}
func TestAgent_RerouteNewHTTPChecks(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
// Register a service without a ProxyAddr
svc := &structs.NodeService{
ID: "web",
Service: "web",
Address: "localhost",
Port: 8080,
}
if err := a.addServiceFromSource(svc, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add svc: %v", err)
}
// Register a proxy and expose HTTP checks
proxy := &structs.NodeService{
Kind: "connect-proxy",
ID: "web-proxy",
Service: "web-proxy",
Address: "localhost",
Port: 21500,
Proxy: structs.ConnectProxyConfig{
DestinationServiceName: "web",
DestinationServiceID: "web",
LocalServiceAddress: "localhost",
LocalServicePort: 8080,
MeshGateway: structs.MeshGatewayConfig{},
Expose: structs.ExposeConfig{
Checks: true,
},
},
}
if err := a.addServiceFromSource(proxy, nil, false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add svc: %v", err)
}
checks := []*structs.HealthCheck{
{
CheckID: "http",
Name: "http",
ServiceID: "web",
Status: api.HealthCritical,
},
{
CheckID: "grpc",
Name: "grpc",
ServiceID: "web",
Status: api.HealthCritical,
},
}
chkTypes := []*structs.CheckType{
{
CheckID: "http",
HTTP: "http://localhost:8080/mypath?query",
Interval: 20 * time.Millisecond,
TLSSkipVerify: true,
},
{
CheckID: "grpc",
GRPC: "localhost:8080/myservice",
Interval: 20 * time.Millisecond,
TLSSkipVerify: true,
},
}
// ProxyGRPC and ProxyHTTP should be set when creating check
// since proxy.expose.checks is enabled on the proxy
if err := a.AddCheck(checks[0], chkTypes[0], false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add check: %v", err)
}
if err := a.AddCheck(checks[1], chkTypes[1], false, "", ConfigSourceLocal); err != nil {
t.Fatalf("failed to add check: %v", err)
}
retry.Run(t, func(r *retry.R) {
chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil))
got := chks[0].ProxyHTTP
if got == "" {
r.Fatal("ProxyHTTP addr not set in check")
}
want := "http://localhost:21500/mypath?query"
if got != want {
r.Fatalf("unexpected proxy addr in http check, want: %s, got: %s", want, got)
}
})
retry.Run(t, func(r *retry.R) {
chks := a.ServiceHTTPBasedChecks(structs.NewServiceID("web", nil))
// Will be at a later index than HTTP check because of the fetching order in ServiceHTTPBasedChecks
got := chks[1].ProxyGRPC
if got == "" {
r.Fatal("ProxyGRPC addr not set in check")
}
want := "localhost:21501/myservice"
if got != want {
r.Fatalf("unexpected proxy addr in grpc check, want: %s, got: %s", want, got)
}
})
}
func TestAgentCache_serviceInConfigFile_initialFetchErrors_Issue6521(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
// Ensure that initial failures to fetch the discovery chain via the agent
// cache using the notify API for a service with no config entries
// correctly recovers when those RPCs resume working. The key here is that
// the lack of config entries guarantees that the RPC will come back with a
// synthetic index of 1.
//
// The bug in the Cache.notifyBlockingQuery used to incorrectly "fix" the
// index for the next query from 0 to 1 for all queries, when it should
// have not done so for queries that errored.
a1 := StartTestAgent(t, TestAgent{Name: "Agent1"})
defer a1.Shutdown()
testrpc.WaitForLeader(t, a1.RPC, "dc1")
a2 := StartTestAgent(t, TestAgent{Name: "Agent2", HCL: `
server = false
bootstrap = false
services {
name = "echo-client"
port = 8080
connect {
sidecar_service {
proxy {
upstreams {
destination_name = "echo"
local_bind_port = 9191
}
}
}
}
}
services {
name = "echo"
port = 9090
connect {
sidecar_service {}
}
}
`})
defer a2.Shutdown()
// Starting a client agent disconnected from a server with services.
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
ch := make(chan cache.UpdateEvent, 1)
require.NoError(t, a2.cache.Notify(ctx, cachetype.CompiledDiscoveryChainName, &structs.DiscoveryChainRequest{
Datacenter: "dc1",
Name: "echo",
EvaluateInDatacenter: "dc1",
EvaluateInNamespace: "default",
}, "foo", ch))
{ // The first event is an error because we are not joined yet.
evt := <-ch
require.Equal(t, "foo", evt.CorrelationID)
require.Nil(t, evt.Result)
require.Error(t, evt.Err)
require.Equal(t, evt.Err, structs.ErrNoServers)
}
t.Logf("joining client to server")
// Now connect to server
_, err := a1.JoinLAN([]string{
fmt.Sprintf("127.0.0.1:%d", a2.Config.SerfPortLAN),
})
require.NoError(t, err)
t.Logf("joined client to server")
deadlineCh := time.After(10 * time.Second)
start := time.Now()
LOOP:
for {
select {
case evt := <-ch:
// We may receive several notifications of an error until we get the
// first successful reply.
require.Equal(t, "foo", evt.CorrelationID)
if evt.Err != nil {
break LOOP
}
require.NoError(t, evt.Err)
require.NotNil(t, evt.Result)
t.Logf("took %s to get first success", time.Since(start))
case <-deadlineCh:
t.Fatal("did not get notified successfully")
}
}
}
// This is a mirror of a similar test in agent/consul/server_test.go
func TestAgent_JoinWAN_viaMeshGateway(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
gwPort := freeport.MustTake(1)
defer freeport.Return(gwPort)
gwAddr := ipaddr.FormatAddressPort("127.0.0.1", gwPort[0])
// Due to some ordering, we'll have to manually configure these ports in
// advance.
secondaryRPCPorts := freeport.MustTake(2)
defer freeport.Return(secondaryRPCPorts)
a1 := StartTestAgent(t, TestAgent{Name: "bob", HCL: `
domain = "consul"
node_name = "bob"
datacenter = "dc1"
primary_datacenter = "dc1"
# tls
ca_file = "../test/hostname/CertAuth.crt"
cert_file = "../test/hostname/Bob.crt"
key_file = "../test/hostname/Bob.key"
verify_incoming = true
verify_outgoing = true
verify_server_hostname = true
# wanfed
connect {
enabled = true
enable_mesh_gateway_wan_federation = true
}
`})
defer a1.Shutdown()
testrpc.WaitForTestAgent(t, a1.RPC, "dc1")
// We'll use the same gateway for all datacenters since it doesn't care.
var (
rpcAddr1 = ipaddr.FormatAddressPort("127.0.0.1", a1.Config.ServerPort)
rpcAddr2 = ipaddr.FormatAddressPort("127.0.0.1", secondaryRPCPorts[0])
rpcAddr3 = ipaddr.FormatAddressPort("127.0.0.1", secondaryRPCPorts[1])
)
var p tcpproxy.Proxy
p.AddSNIRoute(gwAddr, "bob.server.dc1.consul", tcpproxy.To(rpcAddr1))
p.AddSNIRoute(gwAddr, "server.dc1.consul", tcpproxy.To(rpcAddr1))
p.AddSNIRoute(gwAddr, "betty.server.dc2.consul", tcpproxy.To(rpcAddr2))
p.AddSNIRoute(gwAddr, "server.dc2.consul", tcpproxy.To(rpcAddr2))
p.AddSNIRoute(gwAddr, "bonnie.server.dc3.consul", tcpproxy.To(rpcAddr3))
p.AddSNIRoute(gwAddr, "server.dc3.consul", tcpproxy.To(rpcAddr3))
p.AddStopACMESearch(gwAddr)
require.NoError(t, p.Start())
defer func() {
p.Close()
p.Wait()
}()
t.Logf("routing %s => %s", "{bob.,}server.dc1.consul", rpcAddr1)
t.Logf("routing %s => %s", "{betty.,}server.dc2.consul", rpcAddr2)
t.Logf("routing %s => %s", "{bonnie.,}server.dc3.consul", rpcAddr3)
// Register this into the agent in dc1.
{
args := &structs.ServiceDefinition{
Kind: structs.ServiceKindMeshGateway,
ID: "mesh-gateway",
Name: "mesh-gateway",
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
Port: gwPort[0],
}
req, err := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args))
require.NoError(t, err)
obj, err := a1.srv.AgentRegisterService(nil, req)
require.NoError(t, err)
require.Nil(t, obj)
}
waitForFederationState := func(t *testing.T, a *TestAgent, dc string) {
retry.Run(t, func(r *retry.R) {
req, err := http.NewRequest("GET", "/v1/internal/federation-state/"+dc, nil)
require.NoError(r, err)
resp := httptest.NewRecorder()
obj, err := a.srv.FederationStateGet(resp, req)
require.NoError(r, err)
require.NotNil(r, obj)
out, ok := obj.(structs.FederationStateResponse)
require.True(r, ok)
require.NotNil(r, out.State)
require.Len(r, out.State.MeshGateways, 1)
})
}
// Wait until at least catalog AE and federation state AE fire.
waitForFederationState(t, a1, "dc1")
retry.Run(t, func(r *retry.R) {
require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc1"))
})
a2 := StartTestAgent(t, TestAgent{Name: "betty", HCL: `
domain = "consul"
node_name = "betty"
datacenter = "dc2"
primary_datacenter = "dc1"
# tls
ca_file = "../test/hostname/CertAuth.crt"
cert_file = "../test/hostname/Betty.crt"
key_file = "../test/hostname/Betty.key"
verify_incoming = true
verify_outgoing = true
verify_server_hostname = true
ports {
server = ` + strconv.Itoa(secondaryRPCPorts[0]) + `
}
# wanfed
primary_gateways = ["` + gwAddr + `"]
connect {
enabled = true
enable_mesh_gateway_wan_federation = true
}
`})
defer a2.Shutdown()
testrpc.WaitForTestAgent(t, a2.RPC, "dc2")
a3 := StartTestAgent(t, TestAgent{Name: "bonnie", HCL: `
domain = "consul"
node_name = "bonnie"
datacenter = "dc3"
primary_datacenter = "dc1"
# tls
ca_file = "../test/hostname/CertAuth.crt"
cert_file = "../test/hostname/Bonnie.crt"
key_file = "../test/hostname/Bonnie.key"
verify_incoming = true
verify_outgoing = true
verify_server_hostname = true
ports {
server = ` + strconv.Itoa(secondaryRPCPorts[1]) + `
}
# wanfed
primary_gateways = ["` + gwAddr + `"]
connect {
enabled = true
enable_mesh_gateway_wan_federation = true
}
`})
defer a3.Shutdown()
testrpc.WaitForTestAgent(t, a3.RPC, "dc3")
// The primary_gateways config setting should cause automatic mesh join.
// Assert that the secondaries have joined the primary.
findPrimary := func(r *retry.R, a *TestAgent) *serf.Member {
var primary *serf.Member
for _, m := range a.WANMembers() {
if m.Tags["dc"] == "dc1" {
require.Nil(r, primary, "already found one node in dc1")
primary = &m
}
}
require.NotNil(r, primary)
return primary
}
retry.Run(t, func(r *retry.R) {
p2, p3 := findPrimary(r, a2), findPrimary(r, a3)
require.Equal(r, "bob.dc1", p2.Name)
require.Equal(r, "bob.dc1", p3.Name)
})
testrpc.WaitForLeader(t, a2.RPC, "dc2")
testrpc.WaitForLeader(t, a3.RPC, "dc3")
// Now we can register this into the catalog in dc2 and dc3.
{
args := &structs.ServiceDefinition{
Kind: structs.ServiceKindMeshGateway,
ID: "mesh-gateway",
Name: "mesh-gateway",
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
Port: gwPort[0],
}
req, err := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args))
require.NoError(t, err)
obj, err := a2.srv.AgentRegisterService(nil, req)
require.NoError(t, err)
require.Nil(t, obj)
}
{
args := &structs.ServiceDefinition{
Kind: structs.ServiceKindMeshGateway,
ID: "mesh-gateway",
Name: "mesh-gateway",
Meta: map[string]string{structs.MetaWANFederationKey: "1"},
Port: gwPort[0],
}
req, err := http.NewRequest("PUT", "/v1/agent/service/register", jsonReader(args))
require.NoError(t, err)
obj, err := a3.srv.AgentRegisterService(nil, req)
require.NoError(t, err)
require.Nil(t, obj)
}
// Wait until federation state replication functions
waitForFederationState(t, a1, "dc1")
waitForFederationState(t, a1, "dc2")
waitForFederationState(t, a1, "dc3")
waitForFederationState(t, a2, "dc1")
waitForFederationState(t, a2, "dc2")
waitForFederationState(t, a2, "dc3")
waitForFederationState(t, a3, "dc1")
waitForFederationState(t, a3, "dc2")
waitForFederationState(t, a3, "dc3")
retry.Run(t, func(r *retry.R) {
require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc1"))
require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc2"))
require.NotEmpty(r, a1.PickRandomMeshGatewaySuitableForDialing("dc3"))
require.NotEmpty(r, a2.PickRandomMeshGatewaySuitableForDialing("dc1"))
require.NotEmpty(r, a2.PickRandomMeshGatewaySuitableForDialing("dc2"))
require.NotEmpty(r, a2.PickRandomMeshGatewaySuitableForDialing("dc3"))
require.NotEmpty(r, a3.PickRandomMeshGatewaySuitableForDialing("dc1"))
require.NotEmpty(r, a3.PickRandomMeshGatewaySuitableForDialing("dc2"))
require.NotEmpty(r, a3.PickRandomMeshGatewaySuitableForDialing("dc3"))
})
retry.Run(t, func(r *retry.R) {
if got, want := len(a1.WANMembers()), 3; got != want {
r.Fatalf("got %d WAN members want at least %d", got, want)
}
if got, want := len(a2.WANMembers()), 3; got != want {
r.Fatalf("got %d WAN members want at least %d", got, want)
}
if got, want := len(a3.WANMembers()), 3; got != want {
r.Fatalf("got %d WAN members want at least %d", got, want)
}
})
// Ensure we can do some trivial RPC in all directions.
agents := map[string]*TestAgent{"dc1": a1, "dc2": a2, "dc3": a3}
names := map[string]string{"dc1": "bob", "dc2": "betty", "dc3": "bonnie"}
for _, srcDC := range []string{"dc1", "dc2", "dc3"} {
a := agents[srcDC]
for _, dstDC := range []string{"dc1", "dc2", "dc3"} {
if srcDC == dstDC {
continue
}
t.Run(srcDC+" to "+dstDC, func(t *testing.T) {
req, err := http.NewRequest("GET", "/v1/catalog/nodes?dc="+dstDC, nil)
require.NoError(t, err)
resp := httptest.NewRecorder()
obj, err := a.srv.CatalogNodes(resp, req)
require.NoError(t, err)
require.NotNil(t, obj)
nodes, ok := obj.(structs.Nodes)
require.True(t, ok)
require.Len(t, nodes, 1)
node := nodes[0]
require.Equal(t, dstDC, node.Datacenter)
require.Equal(t, names[dstDC], node.Node)
})
}
}
}
func TestAutoConfig_Integration(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// eventually this test should really live with integration tests
// the goal here is to have one test server and another test client
// spin up both agents and allow the server to authorize the auto config
// request and then see the client joined. Finally we force a CA roots
// update and wait to see that the agents TLS certificate gets updated.
cfgDir := testutil.TempDir(t, "auto-config")
// write some test TLS certificates out to the cfg dir
cert, key, cacert, err := testTLSCertificates("server.dc1.consul")
require.NoError(t, err)
certFile := filepath.Join(cfgDir, "cert.pem")
caFile := filepath.Join(cfgDir, "cacert.pem")
keyFile := filepath.Join(cfgDir, "key.pem")
require.NoError(t, ioutil.WriteFile(certFile, []byte(cert), 0600))
require.NoError(t, ioutil.WriteFile(caFile, []byte(cacert), 0600))
require.NoError(t, ioutil.WriteFile(keyFile, []byte(key), 0600))
// generate a gossip key
gossipKey := make([]byte, 32)
n, err := rand.Read(gossipKey)
require.NoError(t, err)
require.Equal(t, 32, n)
gossipKeyEncoded := base64.StdEncoding.EncodeToString(gossipKey)
// generate the JWT signing keys
pub, priv, err := oidcauthtest.GenerateKey()
require.NoError(t, err)
hclConfig := TestACLConfigWithParams(nil) + `
encrypt = "` + gossipKeyEncoded + `"
encrypt_verify_incoming = true
encrypt_verify_outgoing = true
verify_incoming = true
verify_outgoing = true
verify_server_hostname = true
ca_file = "` + caFile + `"
cert_file = "` + certFile + `"
key_file = "` + keyFile + `"
connect { enabled = true }
auto_config {
authorization {
enabled = true
static {
claim_mappings = {
consul_node_name = "node"
}
claim_assertions = [
"value.node == \"${node}\""
]
bound_issuer = "consul"
bound_audiences = [
"consul"
]
jwt_validation_pub_keys = ["` + strings.ReplaceAll(pub, "\n", "\\n") + `"]
}
}
}
`
srv := StartTestAgent(t, TestAgent{Name: "TestAgent-Server", HCL: hclConfig})
defer srv.Shutdown()
testrpc.WaitForTestAgent(t, srv.RPC, "dc1", testrpc.WithToken(TestDefaultMasterToken))
// sign a JWT token
now := time.Now()
token, err := oidcauthtest.SignJWT(priv, jwt.Claims{
Subject: "consul",
Issuer: "consul",
Audience: jwt.Audience{"consul"},
NotBefore: jwt.NewNumericDate(now.Add(-1 * time.Second)),
Expiry: jwt.NewNumericDate(now.Add(5 * time.Minute)),
}, map[string]interface{}{
"consul_node_name": "test-client",
})
require.NoError(t, err)
client := StartTestAgent(t, TestAgent{Name: "test-client",
Overrides: `
connect {
test_ca_leaf_root_change_spread = "1ns"
}
`,
HCL: `
bootstrap = false
server = false
ca_file = "` + caFile + `"
verify_outgoing = true
verify_server_hostname = true
node_name = "test-client"
ports {
server = ` + strconv.Itoa(srv.Config.RPCBindAddr.Port) + `
}
auto_config {
enabled = true
intro_token = "` + token + `"
server_addresses = ["` + srv.Config.RPCBindAddr.String() + `"]
}`,
})
defer client.Shutdown()
retry.Run(t, func(r *retry.R) {
require.NotNil(r, client.Agent.tlsConfigurator.Cert())
})
// when this is successful we managed to get the gossip key and serf addresses to bind to
// and then connect. Additionally we would have to have certificates or else the
// verify_incoming config on the server would not let it work.
testrpc.WaitForTestAgent(t, client.RPC, "dc1", testrpc.WithToken(TestDefaultMasterToken))
// grab the existing cert
cert1 := client.Agent.tlsConfigurator.Cert()
require.NotNil(t, cert1)
// force a roots rotation by updating the CA config
t.Logf("Forcing roots rotation on the server")
ca := connect.TestCA(t, nil)
req := &structs.CARequest{
Datacenter: "dc1",
WriteRequest: structs.WriteRequest{Token: TestDefaultMasterToken},
Config: &structs.CAConfiguration{
Provider: "consul",
Config: map[string]interface{}{
"LeafCertTTL": "1h",
"PrivateKey": ca.SigningKey,
"RootCert": ca.RootCert,
"RotationPeriod": "6h",
"IntermediateCertTTL": "3h",
},
},
}
var reply interface{}
require.NoError(t, srv.RPC("ConnectCA.ConfigurationSet", &req, &reply))
// ensure that a new cert gets generated and pushed into the TLS configurator
retry.Run(t, func(r *retry.R) {
require.NotEqual(r, cert1, client.Agent.tlsConfigurator.Cert())
// check that the on disk certs match expectations
data, err := ioutil.ReadFile(filepath.Join(client.DataDir, "auto-config.json"))
require.NoError(r, err)
rdr := strings.NewReader(string(data))
var resp pbautoconf.AutoConfigResponse
pbUnmarshaler := &jsonpb.Unmarshaler{
AllowUnknownFields: false,
}
require.NoError(r, pbUnmarshaler.Unmarshal(rdr, &resp), "data: %s", data)
actual, err := tls.X509KeyPair([]byte(resp.Certificate.CertPEM), []byte(resp.Certificate.PrivateKeyPEM))
require.NoError(r, err)
require.Equal(r, client.Agent.tlsConfigurator.Cert(), &actual)
})
// spot check that we now have an ACL token
require.NotEmpty(t, client.tokens.AgentToken())
}
func TestAgent_AutoEncrypt(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// eventually this test should really live with integration tests
// the goal here is to have one test server and another test client
// spin up both agents and allow the server to authorize the auto encrypt
// request and then see the client get a TLS certificate
cfgDir := testutil.TempDir(t, "auto-encrypt")
// write some test TLS certificates out to the cfg dir
cert, key, cacert, err := testTLSCertificates("server.dc1.consul")
require.NoError(t, err)
certFile := filepath.Join(cfgDir, "cert.pem")
caFile := filepath.Join(cfgDir, "cacert.pem")
keyFile := filepath.Join(cfgDir, "key.pem")
require.NoError(t, ioutil.WriteFile(certFile, []byte(cert), 0600))
require.NoError(t, ioutil.WriteFile(caFile, []byte(cacert), 0600))
require.NoError(t, ioutil.WriteFile(keyFile, []byte(key), 0600))
hclConfig := TestACLConfigWithParams(nil) + `
verify_incoming = true
verify_outgoing = true
verify_server_hostname = true
ca_file = "` + caFile + `"
cert_file = "` + certFile + `"
key_file = "` + keyFile + `"
connect { enabled = true }
auto_encrypt { allow_tls = true }
`
srv := StartTestAgent(t, TestAgent{Name: "test-server", HCL: hclConfig})
defer srv.Shutdown()
testrpc.WaitForTestAgent(t, srv.RPC, "dc1", testrpc.WithToken(TestDefaultMasterToken))
client := StartTestAgent(t, TestAgent{Name: "test-client", HCL: TestACLConfigWithParams(nil) + `
bootstrap = false
server = false
ca_file = "` + caFile + `"
verify_outgoing = true
verify_server_hostname = true
node_name = "test-client"
auto_encrypt {
tls = true
}
ports {
server = ` + strconv.Itoa(srv.Config.RPCBindAddr.Port) + `
}
retry_join = ["` + srv.Config.SerfBindAddrLAN.String() + `"]`,
UseTLS: true,
})
defer client.Shutdown()
// when this is successful we managed to get a TLS certificate and are using it for
// encrypted RPC connections.
testrpc.WaitForTestAgent(t, client.RPC, "dc1", testrpc.WithToken(TestDefaultMasterToken))
// now we need to validate that our certificate has the correct CN
aeCert := client.tlsConfigurator.Cert()
require.NotNil(t, aeCert)
id := connect.SpiffeIDAgent{
Host: connect.TestClusterID + ".consul",
Datacenter: "dc1",
Agent: "test-client",
}
expectedCN := connect.AgentCN("test-client", connect.TestClusterID)
x509Cert, err := x509.ParseCertificate(aeCert.Certificate[0])
require.NoError(t, err)
require.Equal(t, expectedCN, x509Cert.Subject.CommonName)
require.Len(t, x509Cert.URIs, 1)
require.Equal(t, id.URI(), x509Cert.URIs[0])
}
func TestSharedRPCRouter(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
// this test runs both a server and client and ensures that the shared
// router is being used. It would be possible for the Client and Server
// types to create and use their own routers and for RPCs such as the
// ones used in WaitForTestAgent to succeed. However accessing the
// router stored on the agent ensures that Serf information from the
// Client/Server types are being set in the same shared rpc router.
srv := NewTestAgent(t, "")
defer srv.Shutdown()
testrpc.WaitForTestAgent(t, srv.RPC, "dc1")
mgr, server := srv.Agent.baseDeps.Router.FindLANRoute()
require.NotNil(t, mgr)
require.NotNil(t, server)
client := NewTestAgent(t, `
server = false
bootstrap = false
retry_join = ["`+srv.Config.SerfBindAddrLAN.String()+`"]
`)
testrpc.WaitForTestAgent(t, client.RPC, "dc1")
mgr, server = client.Agent.baseDeps.Router.FindLANRoute()
require.NotNil(t, mgr)
require.NotNil(t, server)
}
func TestAgent_ListenHTTP_MultipleAddresses(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
ports, err := freeport.Take(2)
require.NoError(t, err)
t.Cleanup(func() { freeport.Return(ports) })
caConfig := tlsutil.Config{}
tlsConf, err := tlsutil.NewConfigurator(caConfig, hclog.New(nil))
require.NoError(t, err)
bd := BaseDeps{
Deps: consul.Deps{
Logger: hclog.NewInterceptLogger(nil),
Tokens: new(token.Store),
TLSConfigurator: tlsConf,
},
RuntimeConfig: &config.RuntimeConfig{
HTTPAddrs: []net.Addr{
&net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: ports[0]},
&net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: ports[1]},
},
},
Cache: cache.New(cache.Options{}),
}
agent, err := New(bd)
require.NoError(t, err)
srvs, err := agent.listenHTTP()
require.NoError(t, err)
defer func() {
ctx := context.Background()
for _, srv := range srvs {
srv.Shutdown(ctx)
}
}()
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
t.Cleanup(cancel)
g := new(errgroup.Group)
for _, s := range srvs {
g.Go(s.Run)
}
require.Len(t, srvs, 2)
require.Len(t, uniqueAddrs(srvs), 2)
client := &http.Client{}
for _, s := range srvs {
u := url.URL{Scheme: s.Protocol, Host: s.Addr.String()}
req, err := http.NewRequest(http.MethodGet, u.String(), nil)
require.NoError(t, err)
resp, err := client.Do(req.WithContext(ctx))
require.NoError(t, err)
require.Equal(t, 200, resp.StatusCode)
}
}
func uniqueAddrs(srvs []apiServer) map[string]struct{} {
result := make(map[string]struct{}, len(srvs))
for _, s := range srvs {
result[s.Addr.String()] = struct{}{}
}
return result
}
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