package api import ( "io" "io/ioutil" "strings" "testing" "time" "github.com/hashicorp/consul/testutil" "github.com/hashicorp/serf/serf" ) func TestAgent_Self(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() info, err := agent.Self() if err != nil { t.Fatalf("err: %v", err) } name := info["Config"]["NodeName"] if name == "" { t.Fatalf("bad: %v", info) } } func TestAgent_Reload(t *testing.T) { t.Parallel() // Create our initial empty config file, to be overwritten later configFile, err := ioutil.TempFile("", "reload") if err != nil { t.Fatalf("err: %s", err) } if _, err := configFile.Write([]byte("{}")); err != nil { t.Fatalf("err: %s", err) } configFile.Close() c, s := makeClientWithConfig(t, nil, func(conf *testutil.TestServerConfig) { conf.Args = []string{"-config-file", configFile.Name()} }) defer s.Stop() agent := c.Agent() // Update the config file with a service definition config := `{"service":{"name":"redis", "port":1234}}` err = ioutil.WriteFile(configFile.Name(), []byte(config), 0644) if err != nil { t.Fatalf("err: %v", err) } if err = agent.Reload(); err != nil { t.Fatalf("err: %v", err) } services, err := agent.Services() if err != nil { t.Fatalf("err: %v", err) } service, ok := services["redis"] if !ok { t.Fatalf("bad: %v", ok) } if service.Port != 1234 { t.Fatalf("bad: %v", service.Port) } } func TestAgent_Members(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() members, err := agent.Members(false) if err != nil { t.Fatalf("err: %v", err) } if len(members) != 1 { t.Fatalf("bad: %v", members) } } func TestAgent_Services(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentServiceRegistration{ Name: "foo", Tags: []string{"bar", "baz"}, Port: 8000, Check: &AgentServiceCheck{ TTL: "15s", }, } if err := agent.ServiceRegister(reg); err != nil { t.Fatalf("err: %v", err) } services, err := agent.Services() if err != nil { t.Fatalf("err: %v", err) } if _, ok := services["foo"]; !ok { t.Fatalf("missing service: %v", services) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } chk, ok := checks["service:foo"] if !ok { t.Fatalf("missing check: %v", checks) } // Checks should default to critical if chk.Status != HealthCritical { t.Fatalf("Bad: %#v", chk) } if err := agent.ServiceDeregister("foo"); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_Services_CheckPassing(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentServiceRegistration{ Name: "foo", Tags: []string{"bar", "baz"}, Port: 8000, Check: &AgentServiceCheck{ TTL: "15s", Status: HealthPassing, }, } if err := agent.ServiceRegister(reg); err != nil { t.Fatalf("err: %v", err) } services, err := agent.Services() if err != nil { t.Fatalf("err: %v", err) } if _, ok := services["foo"]; !ok { t.Fatalf("missing service: %v", services) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } chk, ok := checks["service:foo"] if !ok { t.Fatalf("missing check: %v", checks) } if chk.Status != HealthPassing { t.Fatalf("Bad: %#v", chk) } if err := agent.ServiceDeregister("foo"); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_Services_CheckBadStatus(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentServiceRegistration{ Name: "foo", Tags: []string{"bar", "baz"}, Port: 8000, Check: &AgentServiceCheck{ TTL: "15s", Status: "fluffy", }, } if err := agent.ServiceRegister(reg); err == nil { t.Fatalf("bad status accepted") } } func TestAgent_ServiceAddress(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg1 := &AgentServiceRegistration{ Name: "foo1", Port: 8000, Address: "192.168.0.42", } reg2 := &AgentServiceRegistration{ Name: "foo2", Port: 8000, } if err := agent.ServiceRegister(reg1); err != nil { t.Fatalf("err: %v", err) } if err := agent.ServiceRegister(reg2); err != nil { t.Fatalf("err: %v", err) } services, err := agent.Services() if err != nil { t.Fatalf("err: %v", err) } if _, ok := services["foo1"]; !ok { t.Fatalf("missing service: %v", services) } if _, ok := services["foo2"]; !ok { t.Fatalf("missing service: %v", services) } if services["foo1"].Address != "192.168.0.42" { t.Fatalf("missing Address field in service foo1: %v", services) } if services["foo2"].Address != "" { t.Fatalf("missing Address field in service foo2: %v", services) } if err := agent.ServiceDeregister("foo"); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_EnableTagOverride(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg1 := &AgentServiceRegistration{ Name: "foo1", Port: 8000, Address: "192.168.0.42", EnableTagOverride: true, } reg2 := &AgentServiceRegistration{ Name: "foo2", Port: 8000, } if err := agent.ServiceRegister(reg1); err != nil { t.Fatalf("err: %v", err) } if err := agent.ServiceRegister(reg2); err != nil { t.Fatalf("err: %v", err) } services, err := agent.Services() if err != nil { t.Fatalf("err: %v", err) } if _, ok := services["foo1"]; !ok { t.Fatalf("missing service: %v", services) } if services["foo1"].EnableTagOverride != true { t.Fatalf("tag override not set on service foo1: %v", services) } if _, ok := services["foo2"]; !ok { t.Fatalf("missing service: %v", services) } if services["foo2"].EnableTagOverride != false { t.Fatalf("tag override set on service foo2: %v", services) } } func TestAgent_Services_MultipleChecks(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentServiceRegistration{ Name: "foo", Tags: []string{"bar", "baz"}, Port: 8000, Checks: AgentServiceChecks{ &AgentServiceCheck{ TTL: "15s", }, &AgentServiceCheck{ TTL: "30s", }, }, } if err := agent.ServiceRegister(reg); err != nil { t.Fatalf("err: %v", err) } services, err := agent.Services() if err != nil { t.Fatalf("err: %v", err) } if _, ok := services["foo"]; !ok { t.Fatalf("missing service: %v", services) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } if _, ok := checks["service:foo:1"]; !ok { t.Fatalf("missing check: %v", checks) } if _, ok := checks["service:foo:2"]; !ok { t.Fatalf("missing check: %v", checks) } } func TestAgent_SetTTLStatus(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentServiceRegistration{ Name: "foo", Check: &AgentServiceCheck{ TTL: "15s", }, } if err := agent.ServiceRegister(reg); err != nil { t.Fatalf("err: %v", err) } verify := func(status, output string) { checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } chk, ok := checks["service:foo"] if !ok { t.Fatalf("missing check: %v", checks) } if chk.Status != status { t.Fatalf("Bad: %#v", chk) } if chk.Output != output { t.Fatalf("Bad: %#v", chk) } } if err := agent.WarnTTL("service:foo", "foo"); err != nil { t.Fatalf("err: %v", err) } verify(HealthWarning, "foo") if err := agent.PassTTL("service:foo", "bar"); err != nil { t.Fatalf("err: %v", err) } verify(HealthPassing, "bar") if err := agent.FailTTL("service:foo", "baz"); err != nil { t.Fatalf("err: %v", err) } verify(HealthCritical, "baz") if err := agent.UpdateTTL("service:foo", "foo", "warn"); err != nil { t.Fatalf("err: %v", err) } verify(HealthWarning, "foo") if err := agent.UpdateTTL("service:foo", "bar", "pass"); err != nil { t.Fatalf("err: %v", err) } verify(HealthPassing, "bar") if err := agent.UpdateTTL("service:foo", "baz", "fail"); err != nil { t.Fatalf("err: %v", err) } verify(HealthCritical, "baz") if err := agent.UpdateTTL("service:foo", "foo", HealthWarning); err != nil { t.Fatalf("err: %v", err) } verify(HealthWarning, "foo") if err := agent.UpdateTTL("service:foo", "bar", HealthPassing); err != nil { t.Fatalf("err: %v", err) } verify(HealthPassing, "bar") if err := agent.UpdateTTL("service:foo", "baz", HealthCritical); err != nil { t.Fatalf("err: %v", err) } verify(HealthCritical, "baz") if err := agent.ServiceDeregister("foo"); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_Checks(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentCheckRegistration{ Name: "foo", } reg.TTL = "15s" if err := agent.CheckRegister(reg); err != nil { t.Fatalf("err: %v", err) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } chk, ok := checks["foo"] if !ok { t.Fatalf("missing check: %v", checks) } if chk.Status != HealthCritical { t.Fatalf("check not critical: %v", chk) } if err := agent.CheckDeregister("foo"); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_CheckStartPassing(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() reg := &AgentCheckRegistration{ Name: "foo", AgentServiceCheck: AgentServiceCheck{ Status: HealthPassing, }, } reg.TTL = "15s" if err := agent.CheckRegister(reg); err != nil { t.Fatalf("err: %v", err) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } chk, ok := checks["foo"] if !ok { t.Fatalf("missing check: %v", checks) } if chk.Status != HealthPassing { t.Fatalf("check not passing: %v", chk) } if err := agent.CheckDeregister("foo"); err != nil { t.Fatalf("err: %v", err) } } func TestAgent_Checks_serviceBound(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() // First register a service serviceReg := &AgentServiceRegistration{ Name: "redis", } if err := agent.ServiceRegister(serviceReg); err != nil { t.Fatalf("err: %v", err) } // Register a check bound to the service reg := &AgentCheckRegistration{ Name: "redischeck", ServiceID: "redis", } reg.TTL = "15s" reg.DeregisterCriticalServiceAfter = "nope" err := agent.CheckRegister(reg) if err == nil || !strings.Contains(err.Error(), "invalid duration") { t.Fatalf("err: %v", err) } reg.DeregisterCriticalServiceAfter = "90m" if err := agent.CheckRegister(reg); err != nil { t.Fatalf("err: %v", err) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } check, ok := checks["redischeck"] if !ok { t.Fatalf("missing check: %v", checks) } if check.ServiceID != "redis" { t.Fatalf("missing service association for check: %v", check) } } func TestAgent_Checks_Docker(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() // First register a service serviceReg := &AgentServiceRegistration{ Name: "redis", } if err := agent.ServiceRegister(serviceReg); err != nil { t.Fatalf("err: %v", err) } // Register a check bound to the service reg := &AgentCheckRegistration{ Name: "redischeck", ServiceID: "redis", AgentServiceCheck: AgentServiceCheck{ DockerContainerID: "f972c95ebf0e", Script: "/bin/true", Shell: "/bin/bash", Interval: "10s", }, } if err := agent.CheckRegister(reg); err != nil { t.Fatalf("err: %v", err) } checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } check, ok := checks["redischeck"] if !ok { t.Fatalf("missing check: %v", checks) } if check.ServiceID != "redis" { t.Fatalf("missing service association for check: %v", check) } } func TestAgent_Join(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() info, err := agent.Self() if err != nil { t.Fatalf("err: %v", err) } // Join ourself addr := info["Config"]["AdvertiseAddr"].(string) err = agent.Join(addr, false) if err != nil { t.Fatalf("err: %v", err) } } func TestAgent_Leave(t *testing.T) { t.Parallel() c1, s1 := makeClient(t) defer s1.Stop() c2, s2 := makeClientWithConfig(t, nil, func(conf *testutil.TestServerConfig) { conf.Server = false conf.Bootstrap = false }) defer s2.Stop() if err := c2.Agent().Join(s1.LANAddr, false); err != nil { t.Fatalf("err: %v", err) } // We sometimes see an EOF response to this one, depending on timing. err := c2.Agent().Leave() if err != nil && err != io.EOF { t.Fatalf("err: %v", err) } // Make sure the second agent's status is 'Left' members, err := c1.Agent().Members(false) if err != nil { t.Fatalf("err: %v", err) } member := members[0] if member.Name == s1.Config.NodeName { member = members[1] } if member.Status != int(serf.StatusLeft) { t.Fatalf("bad: %v", *member) } } func TestAgent_ForceLeave(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() // Eject somebody err := agent.ForceLeave("foo") if err != nil { t.Fatalf("err: %v", err) } } func TestAgent_Monitor(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() logCh, err := agent.Monitor("info", nil, nil) if err != nil { t.Fatalf("err: %v", err) } // Wait for the first log message and validate it select { case log := <-logCh: if !strings.Contains(log, "[INFO]") { t.Fatalf("bad: %q", log) } case <-time.After(10 * time.Second): t.Fatalf("failed to get a log message") } } func TestServiceMaintenance(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() // First register a service serviceReg := &AgentServiceRegistration{ Name: "redis", } if err := agent.ServiceRegister(serviceReg); err != nil { t.Fatalf("err: %v", err) } // Enable maintenance mode if err := agent.EnableServiceMaintenance("redis", "broken"); err != nil { t.Fatalf("err: %s", err) } // Ensure a critical check was added checks, err := agent.Checks() if err != nil { t.Fatalf("err: %v", err) } found := false for _, check := range checks { if strings.Contains(check.CheckID, "maintenance") { found = true if check.Status != HealthCritical || check.Notes != "broken" { t.Fatalf("bad: %#v", checks) } } } if !found { t.Fatalf("bad: %#v", checks) } // Disable maintenance mode if err := agent.DisableServiceMaintenance("redis"); err != nil { t.Fatalf("err: %s", err) } // Ensure the critical health check was removed checks, err = agent.Checks() if err != nil { t.Fatalf("err: %s", err) } for _, check := range checks { if strings.Contains(check.CheckID, "maintenance") { t.Fatalf("should have removed health check") } } } func TestNodeMaintenance(t *testing.T) { t.Parallel() c, s := makeClient(t) defer s.Stop() agent := c.Agent() // Enable maintenance mode if err := agent.EnableNodeMaintenance("broken"); err != nil { t.Fatalf("err: %s", err) } // Check that a critical check was added checks, err := agent.Checks() if err != nil { t.Fatalf("err: %s", err) } found := false for _, check := range checks { if strings.Contains(check.CheckID, "maintenance") { found = true if check.Status != HealthCritical || check.Notes != "broken" { t.Fatalf("bad: %#v", checks) } } } if !found { t.Fatalf("bad: %#v", checks) } // Disable maintenance mode if err := agent.DisableNodeMaintenance(); err != nil { t.Fatalf("err: %s", err) } // Ensure the check was removed checks, err = agent.Checks() if err != nil { t.Fatalf("err: %s", err) } for _, check := range checks { if strings.Contains(check.CheckID, "maintenance") { t.Fatalf("should have removed health check") } } }