open-consul/agent/consul/operator_autopilot_endpoint...

340 lines
8.2 KiB
Go

package consul
import (
"os"
"testing"
"time"
msgpackrpc "github.com/hashicorp/net-rpc-msgpackrpc"
"github.com/hashicorp/raft"
autopilot "github.com/hashicorp/raft-autopilot"
"github.com/stretchr/testify/require"
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
)
func TestOperator_Autopilot_GetConfiguration(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.AutopilotConfig.CleanupDeadServers = false
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
arg := structs.DCSpecificRequest{
Datacenter: "dc1",
}
var reply structs.AutopilotConfig
err := msgpackrpc.CallWithCodec(codec, "Operator.AutopilotGetConfiguration", &arg, &reply)
if err != nil {
t.Fatalf("err: %v", err)
}
if reply.CleanupDeadServers {
t.Fatalf("bad: %#v", reply)
}
}
func TestOperator_Autopilot_GetConfiguration_ACLDeny(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.PrimaryDatacenter = "dc1"
c.ACLsEnabled = true
c.ACLMasterToken = "root"
c.ACLResolverSettings.ACLDefaultPolicy = "deny"
c.AutopilotConfig.CleanupDeadServers = false
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Try to get config without permissions
arg := structs.DCSpecificRequest{
Datacenter: "dc1",
}
var reply structs.AutopilotConfig
err := msgpackrpc.CallWithCodec(codec, "Operator.AutopilotGetConfiguration", &arg, &reply)
if !acl.IsErrPermissionDenied(err) {
t.Fatalf("err: %v", err)
}
// Create an ACL with operator read permissions.
var token string
{
var rules = `
operator = "read"
`
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTokenTypeClient,
Rules: rules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
}
// Now we can read and verify the config
arg.Token = token
err = msgpackrpc.CallWithCodec(codec, "Operator.AutopilotGetConfiguration", &arg, &reply)
if err != nil {
t.Fatalf("err: %v", err)
}
if reply.CleanupDeadServers {
t.Fatalf("bad: %#v", reply)
}
}
func TestOperator_Autopilot_SetConfiguration(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.AutopilotConfig.CleanupDeadServers = false
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Change the autopilot config from the default
arg := structs.AutopilotSetConfigRequest{
Datacenter: "dc1",
Config: structs.AutopilotConfig{
CleanupDeadServers: true,
MinQuorum: 3,
},
}
var reply *bool
err := msgpackrpc.CallWithCodec(codec, "Operator.AutopilotSetConfiguration", &arg, &reply)
if err != nil {
t.Fatalf("err: %v", err)
}
// Make sure it's changed
state := s1.fsm.State()
_, config, err := state.AutopilotConfig()
if err != nil {
t.Fatal(err)
}
if !config.CleanupDeadServers && config.MinQuorum != 3 {
t.Fatalf("bad: %#v", config)
}
}
func TestOperator_Autopilot_SetConfiguration_ACLDeny(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.PrimaryDatacenter = "dc1"
c.ACLsEnabled = true
c.ACLMasterToken = "root"
c.ACLResolverSettings.ACLDefaultPolicy = "deny"
c.AutopilotConfig.CleanupDeadServers = false
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
testrpc.WaitForLeader(t, s1.RPC, "dc1")
// Try to set config without permissions
arg := structs.AutopilotSetConfigRequest{
Datacenter: "dc1",
Config: structs.AutopilotConfig{
CleanupDeadServers: true,
},
}
var reply *bool
err := msgpackrpc.CallWithCodec(codec, "Operator.AutopilotSetConfiguration", &arg, &reply)
if !acl.IsErrPermissionDenied(err) {
t.Fatalf("err: %v", err)
}
// Create an ACL with operator write permissions.
var token string
{
var rules = `
operator = "write"
`
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
Name: "User token",
Type: structs.ACLTokenTypeClient,
Rules: rules,
},
WriteRequest: structs.WriteRequest{Token: "root"},
}
if err := msgpackrpc.CallWithCodec(codec, "ACL.Apply", &req, &token); err != nil {
t.Fatalf("err: %v", err)
}
}
// Now we can update the config
arg.Token = token
err = msgpackrpc.CallWithCodec(codec, "Operator.AutopilotSetConfiguration", &arg, &reply)
if err != nil {
t.Fatalf("err: %v", err)
}
// Make sure it's changed
state := s1.fsm.State()
_, config, err := state.AutopilotConfig()
if err != nil {
t.Fatal(err)
}
if !config.CleanupDeadServers {
t.Fatalf("bad: %#v", config)
}
}
func TestOperator_ServerHealth(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
conf := func(c *Config) {
c.Datacenter = "dc1"
c.Bootstrap = false
c.BootstrapExpect = 3
c.RaftConfig.ProtocolVersion = 3
c.ServerHealthInterval = 100 * time.Millisecond
c.AutopilotInterval = 100 * time.Millisecond
}
dir1, s1 := testServerWithConfig(t, conf)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
dir2, s2 := testServerWithConfig(t, conf)
defer os.RemoveAll(dir2)
defer s2.Shutdown()
joinLAN(t, s2, s1)
dir3, s3 := testServerWithConfig(t, conf)
defer os.RemoveAll(dir3)
defer s3.Shutdown()
joinLAN(t, s3, s1)
testrpc.WaitForLeader(t, s1.RPC, "dc1")
retry.Run(t, func(r *retry.R) {
arg := structs.DCSpecificRequest{
Datacenter: "dc1",
}
var reply structs.AutopilotHealthReply
err := msgpackrpc.CallWithCodec(codec, "Operator.ServerHealth", &arg, &reply)
if err != nil {
r.Fatalf("err: %v", err)
}
if !reply.Healthy {
r.Fatalf("bad: %v", reply)
}
if reply.FailureTolerance != 1 {
r.Fatalf("bad: %v", reply)
}
if len(reply.Servers) != 3 {
r.Fatalf("bad: %v", reply)
}
// Leader should have LastContact == 0, others should be positive
for _, s := range reply.Servers {
isLeader := s1.raft.Leader() == raft.ServerAddress(s.Address)
if isLeader && s.LastContact != 0 {
r.Fatalf("bad: %v", reply)
}
if !isLeader && s.LastContact <= 0 {
r.Fatalf("bad: %v", reply)
}
}
})
}
func TestOperator_AutopilotState(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
conf := func(c *Config) {
c.Datacenter = "dc1"
c.Bootstrap = false
c.BootstrapExpect = 3
c.RaftConfig.ProtocolVersion = 3
c.ServerHealthInterval = 100 * time.Millisecond
c.AutopilotInterval = 100 * time.Millisecond
}
dir1, s1 := testServerWithConfig(t, conf)
defer os.RemoveAll(dir1)
defer s1.Shutdown()
codec := rpcClient(t, s1)
defer codec.Close()
dir2, s2 := testServerWithConfig(t, conf)
defer os.RemoveAll(dir2)
defer s2.Shutdown()
joinLAN(t, s2, s1)
dir3, s3 := testServerWithConfig(t, conf)
defer os.RemoveAll(dir3)
defer s3.Shutdown()
joinLAN(t, s3, s1)
testrpc.WaitForLeader(t, s1.RPC, "dc1")
retry.Run(t, func(r *retry.R) {
arg := structs.DCSpecificRequest{
Datacenter: "dc1",
}
var reply autopilot.State
err := msgpackrpc.CallWithCodec(codec, "Operator.AutopilotState", &arg, &reply)
require.NoError(r, err)
require.True(r, reply.Healthy)
require.Equal(r, 1, reply.FailureTolerance)
require.Len(r, reply.Servers, 3)
// Leader should have LastContact == 0, others should be positive
for _, s := range reply.Servers {
isLeader := s1.raft.Leader() == s.Server.Address
if isLeader {
require.Zero(r, s.Stats.LastContact)
} else {
require.NotEqual(r, time.Duration(0), s.Stats.LastContact)
}
}
})
}