open-consul/agent/ui_endpoint_test.go

807 lines
21 KiB
Go

package agent
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"path/filepath"
"testing"
"github.com/hashicorp/consul/agent/config"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/consul/testrpc"
cleanhttp "github.com/hashicorp/go-cleanhttp"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestUiIndex(t *testing.T) {
t.Parallel()
// Make a test dir to serve UI files
uiDir := testutil.TempDir(t, "consul")
// Make the server
a := NewTestAgent(t, `
ui_dir = "`+uiDir+`"
`)
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
// Create file
path := filepath.Join(a.Config.UIDir, "my-file")
if err := ioutil.WriteFile(path, []byte("test"), 0777); err != nil {
t.Fatalf("err: %v", err)
}
// Register node
req, _ := http.NewRequest("GET", "/ui/my-file", nil)
req.URL.Scheme = "http"
req.URL.Host = a.HTTPAddr()
// Make the request
client := cleanhttp.DefaultClient()
resp, err := client.Do(req)
if err != nil {
t.Fatalf("err: %v", err)
}
defer resp.Body.Close()
// Verify the response
if resp.StatusCode != 200 {
t.Fatalf("bad: %v", resp)
}
// Verify the body
out := bytes.NewBuffer(nil)
io.Copy(out, resp.Body)
if out.String() != "test" {
t.Fatalf("bad: %s", out.Bytes())
}
}
func TestUiNodes(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "test",
Address: "127.0.0.1",
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ := http.NewRequest("GET", "/v1/internal/ui/nodes/dc1", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UINodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be 2 nodes, and all the empty lists should be non-nil
nodes := obj.(structs.NodeDump)
if len(nodes) != 2 ||
nodes[0].Node != a.Config.NodeName ||
nodes[0].Services == nil || len(nodes[0].Services) != 1 ||
nodes[0].Checks == nil || len(nodes[0].Checks) != 1 ||
nodes[1].Node != "test" ||
nodes[1].Services == nil || len(nodes[1].Services) != 0 ||
nodes[1].Checks == nil || len(nodes[1].Checks) != 0 {
t.Fatalf("bad: %v", obj)
}
}
func TestUiNodes_Filter(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "test",
Address: "127.0.0.1",
NodeMeta: map[string]string{
"os": "linux",
},
}
var out struct{}
require.NoError(t, a.RPC("Catalog.Register", args, &out))
args = &structs.RegisterRequest{
Datacenter: "dc1",
Node: "test2",
Address: "127.0.0.1",
NodeMeta: map[string]string{
"os": "macos",
},
}
require.NoError(t, a.RPC("Catalog.Register", args, &out))
req, _ := http.NewRequest("GET", "/v1/internal/ui/nodes/dc1?filter="+url.QueryEscape("Meta.os == linux"), nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UINodes(resp, req)
require.NoError(t, err)
assertIndex(t, resp)
// Should be 2 nodes, and all the empty lists should be non-nil
nodes := obj.(structs.NodeDump)
require.Len(t, nodes, 1)
require.Equal(t, nodes[0].Node, "test")
require.Empty(t, nodes[0].Services)
require.Empty(t, nodes[0].Checks)
}
func TestUiNodeInfo(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForLeader(t, a.RPC, "dc1")
req, _ := http.NewRequest("GET", fmt.Sprintf("/v1/internal/ui/node/%s", a.Config.NodeName), nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UINodeInfo(resp, req)
require.NoError(t, err)
require.Equal(t, resp.Code, http.StatusOK)
assertIndex(t, resp)
// Should be 1 node for the server
node := obj.(*structs.NodeInfo)
if node.Node != a.Config.NodeName {
t.Fatalf("bad: %v", node)
}
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "test",
Address: "127.0.0.1",
}
var out struct{}
if err := a.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, _ = http.NewRequest("GET", "/v1/internal/ui/node/test", nil)
resp = httptest.NewRecorder()
obj, err = a.srv.UINodeInfo(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be non-nil empty lists for services and checks
node = obj.(*structs.NodeInfo)
if node.Node != "test" ||
node.Services == nil || len(node.Services) != 0 ||
node.Checks == nil || len(node.Checks) != 0 {
t.Fatalf("bad: %v", node)
}
}
func TestUiServices(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
testrpc.WaitForTestAgent(t, a.RPC, "dc1")
requests := []*structs.RegisterRequest{
// register foo node
{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Checks: structs.HealthChecks{
&structs.HealthCheck{
Node: "foo",
Name: "node check",
Status: api.HealthPassing,
},
},
},
//register api service on node foo
{
Datacenter: "dc1",
Node: "foo",
SkipNodeUpdate: true,
Service: &structs.NodeService{
Kind: structs.ServiceKindTypical,
Service: "api",
Tags: []string{"tag1", "tag2"},
},
Checks: structs.HealthChecks{
&structs.HealthCheck{
Node: "foo",
Name: "api svc check",
ServiceName: "api",
Status: api.HealthWarning,
},
},
},
// register web svc on node foo
{
Datacenter: "dc1",
Node: "foo",
SkipNodeUpdate: true,
Service: &structs.NodeService{
Kind: structs.ServiceKindConnectProxy,
Service: "web",
Tags: []string{},
Meta: map[string]string{metaExternalSource: "k8s"},
Port: 1234,
Proxy: structs.ConnectProxyConfig{
DestinationServiceName: "api",
},
},
Checks: structs.HealthChecks{
&structs.HealthCheck{
Node: "foo",
Name: "web svc check",
ServiceName: "web",
Status: api.HealthPassing,
},
},
},
// register bar node with service web
{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.2",
Service: &structs.NodeService{
Kind: structs.ServiceKindConnectProxy,
Service: "web",
Tags: []string{},
Meta: map[string]string{metaExternalSource: "k8s"},
Port: 1234,
Proxy: structs.ConnectProxyConfig{
DestinationServiceName: "api",
},
},
Checks: []*structs.HealthCheck{
{
Node: "bar",
Name: "web svc check",
Status: api.HealthCritical,
ServiceName: "web",
},
},
},
// register zip node with service cache
{
Datacenter: "dc1",
Node: "zip",
Address: "127.0.0.3",
Service: &structs.NodeService{
Service: "cache",
Tags: []string{},
},
},
}
for _, args := range requests {
var out struct{}
require.NoError(t, a.RPC("Catalog.Register", args, &out))
}
t.Run("No Filter", func(t *testing.T) {
t.Parallel()
req, _ := http.NewRequest("GET", "/v1/internal/ui/services/dc1", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UIServices(resp, req)
require.NoError(t, err)
assertIndex(t, resp)
// Should be 2 nodes, and all the empty lists should be non-nil
summary := obj.([]*ServiceSummary)
require.Len(t, summary, 4)
// internal accounting that users don't see can be blown away
for _, sum := range summary {
sum.externalSourceSet = nil
sum.proxyForSet = nil
}
expected := []*ServiceSummary{
{
Kind: structs.ServiceKindTypical,
Name: "api",
Tags: []string{"tag1", "tag2"},
Nodes: []string{"foo"},
InstanceCount: 1,
ChecksPassing: 2,
ChecksWarning: 1,
ChecksCritical: 0,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
{
Kind: structs.ServiceKindTypical,
Name: "cache",
Tags: nil,
Nodes: []string{"zip"},
InstanceCount: 1,
ChecksPassing: 0,
ChecksWarning: 0,
ChecksCritical: 0,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
{
Kind: structs.ServiceKindConnectProxy,
Name: "web",
Tags: nil,
Nodes: []string{"bar", "foo"},
InstanceCount: 2,
ProxyFor: []string{"api"},
ChecksPassing: 2,
ChecksWarning: 1,
ChecksCritical: 1,
ExternalSources: []string{"k8s"},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
{
Kind: structs.ServiceKindTypical,
Name: "consul",
Tags: nil,
Nodes: []string{a.Config.NodeName},
InstanceCount: 1,
ChecksPassing: 1,
ChecksWarning: 0,
ChecksCritical: 0,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
}
require.ElementsMatch(t, expected, summary)
})
t.Run("Filtered", func(t *testing.T) {
filterQuery := url.QueryEscape("Service.Service == web or Service.Service == api")
req, _ := http.NewRequest("GET", "/v1/internal/ui/services?filter="+filterQuery, nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UIServices(resp, req)
require.NoError(t, err)
assertIndex(t, resp)
// Should be 2 nodes, and all the empty lists should be non-nil
summary := obj.([]*ServiceSummary)
require.Len(t, summary, 2)
// internal accounting that users don't see can be blown away
for _, sum := range summary {
sum.externalSourceSet = nil
sum.proxyForSet = nil
}
expected := []*ServiceSummary{
{
Kind: structs.ServiceKindTypical,
Name: "api",
Tags: []string{"tag1", "tag2"},
Nodes: []string{"foo"},
InstanceCount: 1,
ChecksPassing: 2,
ChecksWarning: 1,
ChecksCritical: 0,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
{
Kind: structs.ServiceKindConnectProxy,
Name: "web",
Tags: nil,
Nodes: []string{"bar", "foo"},
InstanceCount: 2,
ProxyFor: []string{"api"},
ChecksPassing: 2,
ChecksWarning: 1,
ChecksCritical: 1,
ExternalSources: []string{"k8s"},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
}
require.ElementsMatch(t, expected, summary)
})
}
func TestUIGatewayServiceNodes_Terminating(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Register terminating gateway and a service that will be associated with it
{
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "terminating-gateway",
Service: "terminating-gateway",
Kind: structs.ServiceKindTerminatingGateway,
Port: 443,
},
Check: &structs.HealthCheck{
Name: "terminating connect",
Status: api.HealthPassing,
ServiceID: "terminating-gateway",
},
}
var regOutput struct{}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
arg = structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.2",
Service: &structs.NodeService{
ID: "db",
Service: "db",
Tags: []string{"primary"},
},
Check: &structs.HealthCheck{
Name: "db-warning",
Status: api.HealthWarning,
ServiceID: "db",
},
}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
arg = structs.RegisterRequest{
Datacenter: "dc1",
Node: "baz",
Address: "127.0.0.3",
Service: &structs.NodeService{
ID: "db2",
Service: "db",
Tags: []string{"backup"},
},
Check: &structs.HealthCheck{
Name: "db2-passing",
Status: api.HealthPassing,
ServiceID: "db2",
},
}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
// Register terminating-gateway config entry, linking it to db and redis (does not exist)
args := &structs.TerminatingGatewayConfigEntry{
Name: "terminating-gateway",
Kind: structs.TerminatingGateway,
Services: []structs.LinkedService{
{
Name: "db",
},
{
Name: "redis",
CAFile: "/etc/certs/ca.pem",
CertFile: "/etc/certs/cert.pem",
KeyFile: "/etc/certs/key.pem",
},
},
}
req := structs.ConfigEntryRequest{
Op: structs.ConfigEntryUpsert,
Datacenter: "dc1",
Entry: args,
}
var configOutput bool
require.NoError(t, a.RPC("ConfigEntry.Apply", &req, &configOutput))
require.True(t, configOutput)
}
// Request
req, _ := http.NewRequest("GET", "/v1/internal/ui/gateway-services-nodes/terminating-gateway", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UIGatewayServicesNodes(resp, req)
assert.Nil(t, err)
assertIndex(t, resp)
dump := obj.([]*ServiceSummary)
expect := []*ServiceSummary{
{
Name: "redis",
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
{
Name: "db",
Tags: []string{"backup", "primary"},
Nodes: []string{"bar", "baz"},
InstanceCount: 2,
ChecksPassing: 1,
ChecksWarning: 1,
ChecksCritical: 0,
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
}
assert.ElementsMatch(t, expect, dump)
}
func TestUIGatewayServiceNodes_Ingress(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, `alt_domain = "alt.consul."`)
defer a.Shutdown()
// Register ingress gateway and a service that will be associated with it
{
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "ingress-gateway",
Service: "ingress-gateway",
Kind: structs.ServiceKindIngressGateway,
Port: 8443,
},
Check: &structs.HealthCheck{
Name: "ingress connect",
Status: api.HealthPassing,
ServiceID: "ingress-gateway",
},
}
var regOutput struct{}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
arg = structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.2",
Service: &structs.NodeService{
ID: "db",
Service: "db",
Tags: []string{"primary"},
},
Check: &structs.HealthCheck{
Name: "db-warning",
Status: api.HealthWarning,
ServiceID: "db",
},
}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
arg = structs.RegisterRequest{
Datacenter: "dc1",
Node: "baz",
Address: "127.0.0.3",
Service: &structs.NodeService{
ID: "db2",
Service: "db",
Tags: []string{"backup"},
},
Check: &structs.HealthCheck{
Name: "db2-passing",
Status: api.HealthPassing,
ServiceID: "db2",
},
}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
// Set web protocol to http
svcDefaultsReq := structs.ConfigEntryRequest{
Datacenter: "dc1",
Entry: &structs.ServiceConfigEntry{
Name: "web",
Protocol: "http",
},
}
var configOutput bool
require.NoError(t, a.RPC("ConfigEntry.Apply", &svcDefaultsReq, &configOutput))
require.True(t, configOutput)
// Register ingress-gateway config entry, linking it to db and redis (does not exist)
args := &structs.IngressGatewayConfigEntry{
Name: "ingress-gateway",
Kind: structs.IngressGateway,
Listeners: []structs.IngressListener{
{
Port: 8888,
Protocol: "tcp",
Services: []structs.IngressService{
{
Name: "db",
},
},
},
{
Port: 8080,
Protocol: "http",
Services: []structs.IngressService{
{
Name: "web",
},
},
},
{
Port: 8081,
Protocol: "http",
Services: []structs.IngressService{
{
Name: "web",
Hosts: []string{"*.test.example.com"},
},
},
},
},
}
req := structs.ConfigEntryRequest{
Op: structs.ConfigEntryUpsert,
Datacenter: "dc1",
Entry: args,
}
require.NoError(t, a.RPC("ConfigEntry.Apply", &req, &configOutput))
require.True(t, configOutput)
}
// Request
req, _ := http.NewRequest("GET", "/v1/internal/ui/gateway-services-nodes/ingress-gateway", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UIGatewayServicesNodes(resp, req)
assert.Nil(t, err)
assertIndex(t, resp)
// Construct expected addresses so that differences between OSS/Ent are handled by code
webDNS := serviceIngressDNSName("web", "dc1", "consul.", structs.DefaultEnterpriseMeta())
webDNSAlt := serviceIngressDNSName("web", "dc1", "alt.consul.", structs.DefaultEnterpriseMeta())
dbDNS := serviceIngressDNSName("db", "dc1", "consul.", structs.DefaultEnterpriseMeta())
dbDNSAlt := serviceIngressDNSName("db", "dc1", "alt.consul.", structs.DefaultEnterpriseMeta())
dump := obj.([]*ServiceSummary)
expect := []*ServiceSummary{
{
Name: "web",
GatewayConfig: GatewayConfig{
Addresses: []string{
fmt.Sprintf("%s:8080", webDNS),
fmt.Sprintf("%s:8080", webDNSAlt),
"*.test.example.com:8081",
},
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
{
Name: "db",
Tags: []string{"backup", "primary"},
Nodes: []string{"bar", "baz"},
InstanceCount: 2,
ChecksPassing: 1,
ChecksWarning: 1,
ChecksCritical: 0,
GatewayConfig: GatewayConfig{
Addresses: []string{
fmt.Sprintf("%s:8888", dbDNS),
fmt.Sprintf("%s:8888", dbDNSAlt),
},
},
EnterpriseMeta: *structs.DefaultEnterpriseMeta(),
},
}
// internal accounting that users don't see can be blown away
for _, sum := range dump {
sum.GatewayConfig.addressesSet = nil
}
assert.ElementsMatch(t, expect, dump)
}
func TestUIGatewayIntentions(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Register terminating gateway and config entry linking it to postgres + redis
{
arg := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "terminating-gateway",
Service: "terminating-gateway",
Kind: structs.ServiceKindTerminatingGateway,
Port: 443,
},
Check: &structs.HealthCheck{
Name: "terminating connect",
Status: api.HealthPassing,
ServiceID: "terminating-gateway",
},
}
var regOutput struct{}
require.NoError(t, a.RPC("Catalog.Register", &arg, &regOutput))
args := &structs.TerminatingGatewayConfigEntry{
Name: "terminating-gateway",
Kind: structs.TerminatingGateway,
Services: []structs.LinkedService{
{
Name: "postgres",
},
{
Name: "redis",
CAFile: "/etc/certs/ca.pem",
CertFile: "/etc/certs/cert.pem",
KeyFile: "/etc/certs/key.pem",
},
},
}
req := structs.ConfigEntryRequest{
Op: structs.ConfigEntryUpsert,
Datacenter: "dc1",
Entry: args,
}
var configOutput bool
require.NoError(t, a.RPC("ConfigEntry.Apply", &req, &configOutput))
require.True(t, configOutput)
}
// create some symmetric intentions to ensure we are only matching on destination
{
for _, v := range []string{"*", "mysql", "redis", "postgres"} {
req := structs.IntentionRequest{
Datacenter: "dc1",
Op: structs.IntentionOpCreate,
Intention: structs.TestIntention(t),
}
req.Intention.SourceName = "api"
req.Intention.DestinationName = v
var reply string
assert.NoError(t, a.RPC("Intention.Apply", &req, &reply))
req = structs.IntentionRequest{
Datacenter: "dc1",
Op: structs.IntentionOpCreate,
Intention: structs.TestIntention(t),
}
req.Intention.SourceName = v
req.Intention.DestinationName = "api"
assert.NoError(t, a.RPC("Intention.Apply", &req, &reply))
}
}
// Request intentions matching the gateway named "terminating-gateway"
req, _ := http.NewRequest("GET", "/v1/internal/ui/gateway-intentions/terminating-gateway", nil)
resp := httptest.NewRecorder()
obj, err := a.srv.UIGatewayIntentions(resp, req)
assert.Nil(t, err)
assertIndex(t, resp)
intentions := obj.(structs.Intentions)
assert.Len(t, intentions, 3)
// Only intentions with linked services as a destination should be returned, and wildcard matches should be deduped
expected := []string{"postgres", "*", "redis"}
actual := []string{
intentions[0].DestinationName,
intentions[1].DestinationName,
intentions[2].DestinationName,
}
assert.ElementsMatch(t, expected, actual)
}
func TestUIEndpoint_modifySummaryForGatewayService_UseRequestedDCInsteadOfConfigured(t *testing.T) {
dc := "dc2"
cfg := config.RuntimeConfig{Datacenter: "dc1", DNSDomain: "consul"}
sum := ServiceSummary{GatewayConfig: GatewayConfig{}}
gwsvc := structs.GatewayService{Service: structs.ServiceName{Name: "test"}, Port: 42}
modifySummaryForGatewayService(&cfg, dc, &sum, &gwsvc)
require.Equal(t, "test.ingress.dc2.consul:42", sum.GatewayConfig.Addresses[0])
}