Golang testutil.WaitForLeader函數代碼示例

func TestACL_MultiDC_Found(t *testing.T) {
	dir1, s1 := testServerWithConfig(t, func(c *Config) {
		c.ACLDatacenter = "dc1"
		c.ACLMasterToken = "root"
	})
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	client := rpcClient(t, s1)
	defer client.Close()

	dir2, s2 := testServerWithConfig(t, func(c *Config) {
		c.Datacenter = "dc2"
		c.ACLDatacenter = "dc1" // Enable ACLs!
	})
	defer os.RemoveAll(dir2)
	defer s2.Shutdown()

	// Try to join
	addr := fmt.Sprintf("127.0.0.1:%d",
		s1.config.SerfWANConfig.MemberlistConfig.BindPort)
	if _, err := s2.JoinWAN([]string{addr}); err != nil {
		t.Fatalf("err: %v", err)
	}

	testutil.WaitForLeader(t, client.Call, "dc1")
	testutil.WaitForLeader(t, client.Call, "dc2")

	// Create a new token
	arg := structs.ACLRequest{
		Datacenter: "dc1",
		Op:         structs.ACLSet,
		ACL: structs.ACL{
			Name:  "User token",
			Type:  structs.ACLTypeClient,
			Rules: testACLPolicy,
		},
		WriteRequest: structs.WriteRequest{Token: "root"},
	}
	var id string
	if err := client.Call("ACL.Apply", &arg, &id); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Token should resolve
	acl, err := s2.resolveToken(id)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if acl == nil {
		t.Fatalf("missing acl")
	}

	// Check the policy
	if acl.KeyRead("bar") {
		t.Fatalf("unexpected read")
	}
	if !acl.KeyRead("foo/test") {
		t.Fatalf("unexpected failed read")
	}
}

func TestCatalogListNodes_ConsistentRead_Fail(t *testing.T) {
	dir1, s1 := testServer(t)
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	client1 := rpcClient(t, s1)
	defer client1.Close()

	dir2, s2 := testServerDCBootstrap(t, "dc1", false)
	defer os.RemoveAll(dir2)
	defer s2.Shutdown()
	client2 := rpcClient(t, s2)
	defer client2.Close()

	// Try to join
	addr := fmt.Sprintf("127.0.0.1:%d",
		s1.config.SerfLANConfig.MemberlistConfig.BindPort)
	if _, err := s2.JoinLAN([]string{addr}); err != nil {
		t.Fatalf("err: %v", err)
	}

	testutil.WaitForLeader(t, client1.Call, "dc1")
	testutil.WaitForLeader(t, client2.Call, "dc1")

	// Use the leader as the client, kill the follower
	var client *rpc.Client
	if s1.IsLeader() {
		client = client1
		s2.Shutdown()
	} else {
		client = client2
		s1.Shutdown()
	}

	args := structs.DCSpecificRequest{
		Datacenter:   "dc1",
		QueryOptions: structs.QueryOptions{RequireConsistent: true},
	}
	var out structs.IndexedNodes
	if err := client.Call("Catalog.ListNodes", &args, &out); !strings.HasPrefix(err.Error(), "leadership lost") {
		t.Fatalf("err: %v", err)
	}

	if out.QueryMeta.LastContact != 0 {
		t.Fatalf("should not have a last contact time")
	}
	if out.QueryMeta.KnownLeader {
		t.Fatalf("should have no known leader")
	}
}

func TestACL_Authority_Management(t *testing.T) {
	dir1, s1 := testServerWithConfig(t, func(c *Config) {
		c.ACLDatacenter = "dc1" // Enable ACLs!
		c.ACLMasterToken = "foobar"
		c.ACLDefaultPolicy = "deny"
	})
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	client := rpcClient(t, s1)
	defer client.Close()

	testutil.WaitForLeader(t, client.Call, "dc1")

	// Resolve the token
	acl, err := s1.resolveToken("foobar")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if acl == nil {
		t.Fatalf("missing acl")
	}

	// Check the policy, should allow all
	if !acl.KeyRead("foo/test") {
		t.Fatalf("unexpected failed read")
	}
}

func testRemoteExecGetSpec(t *testing.T, c *Config) {
	dir, agent := makeAgent(t, c)
	defer os.RemoveAll(dir)
	defer agent.Shutdown()
	testutil.WaitForLeader(t, agent.RPC, "dc1")

	event := &remoteExecEvent{
		Prefix:  "_rexec",
		Session: makeRexecSession(t, agent),
	}
	defer destroySession(t, agent, event.Session)

	spec := &remoteExecSpec{
		Command: "uptime",
		Script:  []byte("#!/bin/bash"),
		Wait:    time.Second,
	}
	buf, err := json.Marshal(spec)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	key := "_rexec/" + event.Session + "/job"
	setKV(t, agent, key, buf)

	var out remoteExecSpec
	if !agent.remoteExecGetSpec(event, &out) {
		t.Fatalf("bad")
	}
	if !reflect.DeepEqual(spec, &out) {
		t.Fatalf("bad spec")
	}
}

func TestDNS_ServiceLookup_TagPeriod(t *testing.T) {
	dir, srv := makeDNSServer(t)
	defer os.RemoveAll(dir)
	defer srv.agent.Shutdown()

	testutil.WaitForLeader(t, srv.agent.RPC, "dc1")

	// Register node
	args := &structs.RegisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		Address:    "127.0.0.1",
		Service: &structs.NodeService{
			Service: "db",
			Tags:    []string{"v1.master"},
			Port:    12345,
		},
	}

	var out struct{}
	if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
		t.Fatalf("err: %v", err)
	}

	m := new(dns.Msg)
	m.SetQuestion("v1.master.db.service.consul.", dns.TypeSRV)

	c := new(dns.Client)
	addr, _ := srv.agent.config.ClientListener("", srv.agent.config.Ports.DNS)
	in, _, err := c.Exchange(m, addr.String())
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	if len(in.Answer) != 1 {
		t.Fatalf("Bad: %#v", in)
	}

	srvRec, ok := in.Answer[0].(*dns.SRV)
	if !ok {
		t.Fatalf("Bad: %#v", in.Answer[0])
	}
	if srvRec.Port != 12345 {
		t.Fatalf("Bad: %#v", srvRec)
	}
	if srvRec.Target != "foo.node.dc1.consul." {
		t.Fatalf("Bad: %#v", srvRec)
	}

	aRec, ok := in.Extra[0].(*dns.A)
	if !ok {
		t.Fatalf("Bad: %#v", in.Extra[0])
	}
	if aRec.Hdr.Name != "foo.node.dc1.consul." {
		t.Fatalf("Bad: %#v", in.Extra[0])
	}
	if aRec.A.String() != "127.0.0.1" {
		t.Fatalf("Bad: %#v", in.Extra[0])
	}
}

func TestCatalogNodes_Blocking(t *testing.T) {
	dir, srv := makeHTTPServer(t)
	defer os.RemoveAll(dir)
	defer srv.Shutdown()
	defer srv.agent.Shutdown()

	testutil.WaitForLeader(t, srv.agent.RPC, "dc1")

	// Register node
	args := &structs.DCSpecificRequest{
		Datacenter: "dc1",
	}

	var out structs.IndexedNodes
	if err := srv.agent.RPC("Catalog.ListNodes", *args, &out); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Do an update in a little while
	start := time.Now()
	go func() {
		time.Sleep(50 * time.Millisecond)
		args := &structs.RegisterRequest{
			Datacenter: "dc1",
			Node:       "foo",
			Address:    "127.0.0.1",
		}
		var out struct{}
		if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
			t.Fatalf("err: %v", err)
		}
	}()

	// Do a blocking read
	req, err := http.NewRequest("GET",
		fmt.Sprintf("/v1/catalog/nodes?wait=60s&index=%d", out.Index), nil)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := httptest.NewRecorder()
	obj, err := srv.CatalogNodes(resp, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Should block for a while
	if time.Now().Sub(start) < 50*time.Millisecond {
		t.Fatalf("too fast")
	}

	if idx := getIndex(t, resp); idx <= out.Index {
		t.Fatalf("bad: %v", idx)
	}

	nodes := obj.(structs.Nodes)
	if len(nodes) != 2 {
		t.Fatalf("bad: %v", obj)
	}
}

func TestHealthServiceNodes(t *testing.T) {
	dir, srv := makeHTTPServer(t)
	defer os.RemoveAll(dir)
	defer srv.Shutdown()
	defer srv.agent.Shutdown()

	testutil.WaitForLeader(t, srv.agent.RPC, "dc1")

	req, err := http.NewRequest("GET", "/v1/health/service/consul?dc=dc1", nil)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := httptest.NewRecorder()
	obj, err := srv.HealthServiceNodes(resp, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	assertIndex(t, resp)

	// Should be 1 health check for consul
	nodes := obj.(structs.CheckServiceNodes)
	if len(nodes) != 1 {
		t.Fatalf("bad: %v", obj)
	}
}

func TestACLEndpoint_Apply_Denied(t *testing.T) {
	dir1, s1 := testServerWithConfig(t, func(c *Config) {
		c.ACLDatacenter = "dc1"
	})
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	client := rpcClient(t, s1)
	defer client.Close()

	testutil.WaitForLeader(t, client.Call, "dc1")

	arg := structs.ACLRequest{
		Datacenter: "dc1",
		Op:         structs.ACLSet,
		ACL: structs.ACL{
			Name: "User token",
			Type: structs.ACLTypeClient,
		},
	}
	var out string
	err := client.Call("ACL.Apply", &arg, &out)
	if err == nil || !strings.Contains(err.Error(), permissionDenied) {
		t.Fatalf("err: %v", err)
	}
}

func TestCatalogDeregister(t *testing.T) {
	dir, srv := makeHTTPServer(t)
	defer os.RemoveAll(dir)
	defer srv.Shutdown()
	defer srv.agent.Shutdown()

	testutil.WaitForLeader(t, srv.agent.RPC, "dc1")

	// Register node
	req, err := http.NewRequest("GET", "/v1/catalog/deregister", nil)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	args := &structs.DeregisterRequest{
		Node: "foo",
	}
	req.Body = encodeReq(args)

	obj, err := srv.CatalogDeregister(nil, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	res := obj.(bool)
	if res != true {
		t.Fatalf("bad: %v", res)
	}
}

func TestHealthNodeChecks(t *testing.T) {
	dir, srv := makeHTTPServer(t)
	defer os.RemoveAll(dir)
	defer srv.Shutdown()
	defer srv.agent.Shutdown()

	testutil.WaitForLeader(t, srv.agent.RPC, "dc1")

	req, err := http.NewRequest("GET",
		fmt.Sprintf("/v1/health/node/%s?dc=dc1", srv.agent.config.NodeName), nil)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := httptest.NewRecorder()
	obj, err := srv.HealthNodeChecks(resp, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	assertIndex(t, resp)

	// Should be 1 health check for the server
	nodes := obj.(structs.HealthChecks)
	if len(nodes) != 1 {
		t.Fatalf("bad: %v", obj)
	}
}

func TestStatusLeader(t *testing.T) {
	dir1, s1 := testServer(t)
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	client := rpcClient(t, s1)
	defer client.Close()

	arg := struct{}{}
	var leader string
	if err := client.Call("Status.Leader", arg, &leader); err != nil {
		t.Fatalf("err: %v", err)
	}
	if leader != "" {
		t.Fatalf("unexpected leader: %v", leader)
	}

	testutil.WaitForLeader(t, client.Call, "dc1")

	if err := client.Call("Status.Leader", arg, &leader); err != nil {
		t.Fatalf("err: %v", err)
	}
	if leader == "" {
		t.Fatalf("no leader")
	}
}

func TestUiNodeInfo(t *testing.T) {
	dir, srv := makeHTTPServer(t)
	defer os.RemoveAll(dir)
	defer srv.Shutdown()
	defer srv.agent.Shutdown()

	testutil.WaitForLeader(t, srv.agent.RPC, "dc1")

	req, err := http.NewRequest("GET",
		fmt.Sprintf("/v1/internal/ui/node/%s", srv.agent.config.NodeName), nil)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := httptest.NewRecorder()
	obj, err := srv.UINodeInfo(resp, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	assertIndex(t, resp)

	// Should be 1 node for the server
	node := obj.(*structs.NodeInfo)
	if node.Node != srv.agent.config.NodeName {
		t.Fatalf("bad: %v", node)
	}
}

func TestInvalidateSession(t *testing.T) {
	dir1, s1 := testServer(t)
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()

	testutil.WaitForLeader(t, s1.RPC, "dc1")

	// Create a session
	state := s1.fsm.State()
	state.EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
	session := &structs.Session{
		ID:   generateUUID(),
		Node: "foo",
		TTL:  "10s",
	}
	if err := state.SessionCreate(100, session); err != nil {
		t.Fatalf("err: %v", err)
	}

	// This should cause a destroy
	s1.invalidateSession(session.ID)

	// Check it is gone
	_, sess, err := state.SessionGet(session.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if sess != nil {
		t.Fatalf("should destroy session")
	}
}

func TestResetSessionTimer_NoTTL(t *testing.T) {
	dir1, s1 := testServer(t)
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()

	testutil.WaitForLeader(t, s1.RPC, "dc1")

	// Create a session
	state := s1.fsm.State()
	state.EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
	session := &structs.Session{
		ID:   generateUUID(),
		Node: "foo",
		TTL:  "0000s",
	}
	if err := state.SessionCreate(100, session); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Reset the session timer
	err := s1.resetSessionTimer(session.ID, session)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Check that we have a timer
	_, ok := s1.sessionTimers[session.ID]
	if ok {
		t.Fatalf("should not have session timer")
	}
}

func TestACLEndpoint_List(t *testing.T) {
	dir1, s1 := testServerWithConfig(t, func(c *Config) {
		c.ACLDatacenter = "dc1"
		c.ACLMasterToken = "root"
	})
	defer os.RemoveAll(dir1)
	defer s1.Shutdown()
	client := rpcClient(t, s1)
	defer client.Close()

	testutil.WaitForLeader(t, client.Call, "dc1")

	ids := []string{}
	for i := 0; i < 5; i++ {
		arg := structs.ACLRequest{
			Datacenter: "dc1",
			Op:         structs.ACLSet,
			ACL: structs.ACL{
				Name: "User token",
				Type: structs.ACLTypeClient,
			},
			WriteRequest: structs.WriteRequest{Token: "root"},
		}
		var out string
		if err := client.Call("ACL.Apply", &arg, &out); err != nil {
			t.Fatalf("err: %v", err)
		}
		ids = append(ids, out)
	}

	getR := structs.DCSpecificRequest{
		Datacenter:   "dc1",
		QueryOptions: structs.QueryOptions{Token: "root"},
	}
	var acls structs.IndexedACLs
	if err := client.Call("ACL.List", &getR, &acls); err != nil {
		t.Fatalf("err: %v", err)
	}

	if acls.Index == 0 {
		t.Fatalf("Bad: %v", acls)
	}

	// 5 + anonymous + master
	if len(acls.ACLs) != 7 {
		t.Fatalf("Bad: %v", acls.ACLs)
	}
	for i := 0; i < len(acls.ACLs); i++ {
		s := acls.ACLs[i]
		if s.ID == anonymousToken || s.ID == "root" {
			continue
		}
		if !strContains(ids, s.ID) {
			t.Fatalf("bad: %v", s)
		}
		if s.Name != "User token" {
			t.Fatalf("bad: %v", s)
		}
	}
}