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) } } }) }