Ejemplo n.º 1
0
func TestFSM_KVSCheckAndSet(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	req := structs.KVSRequest{
		Datacenter: "dc1",
		Op:         structs.KVSSet,
		DirEnt: structs.DirEntry{
			Key:   "/test/path",
			Flags: 0,
			Value: []byte("test"),
		},
	}
	buf, err := structs.Encode(structs.KVSRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify key is set
	_, d, err := fsm.state.KVSGet("/test/path")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if d == nil {
		t.Fatalf("key missing")
	}

	// Run the check-and-set
	req.Op = structs.KVSCAS
	req.DirEnt.ModifyIndex = d.ModifyIndex
	req.DirEnt.Value = []byte("zip")
	buf, err = structs.Encode(structs.KVSRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp = fsm.Apply(makeLog(buf))
	if resp.(bool) != true {
		t.Fatalf("resp: %v", resp)
	}

	// Verify key is updated
	_, d, err = fsm.state.KVSGet("/test/path")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if string(d.Value) != "zip" {
		t.Fatalf("bad: %v", d)
	}
}
Ejemplo n.º 2
0
func TestFSM_DeregisterCheck(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	req := structs.RegisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		Address:    "127.0.0.1",
		Check: &structs.HealthCheck{
			Node:    "foo",
			CheckID: "mem",
			Name:    "memory util",
			Status:  structs.HealthPassing,
		},
	}
	buf, err := structs.Encode(structs.RegisterRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	dereg := structs.DeregisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		CheckID:    "mem",
	}
	buf, err = structs.Encode(structs.DeregisterRequestType, dereg)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp = fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify we are registered
	if _, found, _ := fsm.state.GetNode("foo"); !found {
		t.Fatalf("not found!")
	}

	// Verify check not registered
	_, checks := fsm.state.NodeChecks("foo")
	if len(checks) != 0 {
		t.Fatalf("check registered!")
	}
}
Ejemplo n.º 3
0
func TestFSM_DeregisterService(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	req := structs.RegisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		Address:    "127.0.0.1",
		Service: &structs.NodeService{
			ID:      "db",
			Service: "db",
			Tags:    []string{"master"},
			Port:    8000,
		},
	}
	buf, err := structs.Encode(structs.RegisterRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	dereg := structs.DeregisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		ServiceID:  "db",
	}
	buf, err = structs.Encode(structs.DeregisterRequestType, dereg)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp = fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify we are registered
	if _, found, _ := fsm.state.GetNode("foo"); !found {
		t.Fatalf("not found!")
	}

	// Verify service not registered
	_, services := fsm.state.NodeServices("foo")
	if _, ok := services.Services["db"]; ok {
		t.Fatalf("db registered!")
	}
}
Ejemplo n.º 4
0
func TestFSM_KVSDeleteTree(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	req := structs.KVSRequest{
		Datacenter: "dc1",
		Op:         structs.KVSSet,
		DirEnt: structs.DirEntry{
			Key:   "/test/path",
			Flags: 0,
			Value: []byte("test"),
		},
	}
	buf, err := structs.Encode(structs.KVSRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Run the delete tree
	req.Op = structs.KVSDeleteTree
	req.DirEnt.Key = "/test"
	buf, err = structs.Encode(structs.KVSRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp = fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify key is not set
	_, d, err := fsm.state.KVSGet("/test/path")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if d != nil {
		t.Fatalf("key present")
	}
}
Ejemplo n.º 5
0
func TestFSM_RegisterNode_Service(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	req := structs.RegisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		Address:    "127.0.0.1",
		Service: &structs.NodeService{
			ID:      "db",
			Service: "db",
			Tags:    []string{"master"},
			Port:    8000,
		},
		Check: &structs.HealthCheck{
			Node:      "foo",
			CheckID:   "db",
			Name:      "db connectivity",
			Status:    structs.HealthPassing,
			ServiceID: "db",
		},
	}
	buf, err := structs.Encode(structs.RegisterRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify we are registered
	if _, found, _ := fsm.state.GetNode("foo"); !found {
		t.Fatalf("not found!")
	}

	// Verify service registered
	_, services := fsm.state.NodeServices("foo")
	if _, ok := services.Services["db"]; !ok {
		t.Fatalf("not registered!")
	}

	// Verify check
	_, checks := fsm.state.NodeChecks("foo")
	if checks[0].CheckID != "db" {
		t.Fatalf("not registered!")
	}
}
Ejemplo n.º 6
0
func TestFSM_KVSLock(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	fsm.state.EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
	session := &structs.Session{ID: generateUUID(), Node: "foo"}
	fsm.state.SessionCreate(2, session)

	req := structs.KVSRequest{
		Datacenter: "dc1",
		Op:         structs.KVSLock,
		DirEnt: structs.DirEntry{
			Key:     "/test/path",
			Value:   []byte("test"),
			Session: session.ID,
		},
	}
	buf, err := structs.Encode(structs.KVSRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if resp != true {
		t.Fatalf("resp: %v", resp)
	}

	// Verify key is locked
	_, d, err := fsm.state.KVSGet("/test/path")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if d == nil {
		t.Fatalf("missing")
	}
	if d.LockIndex != 1 {
		t.Fatalf("bad: %v", *d)
	}
	if d.Session != session.ID {
		t.Fatalf("bad: %v", *d)
	}
}
Ejemplo n.º 7
0
// raftApply is used to encode a message, run it through raft, and return
// the FSM response along with any errors
func (s *Server) raftApply(t structs.MessageType, msg interface{}) (interface{}, error) {
	buf, err := structs.Encode(t, msg)
	if err != nil {
		return nil, fmt.Errorf("Failed to encode request: %v", err)
	}

	// Warn if the command is very large
	if n := len(buf); n > raftWarnSize {
		s.logger.Printf("[WARN] consul: Attempting to apply large raft entry (%d bytes)", n)
	}

	future := s.raft.Apply(buf, enqueueLimit)
	if err := future.Error(); err != nil {
		return nil, err
	}

	return future.Response(), nil
}
Ejemplo n.º 8
0
func TestFSM_TombstoneReap(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	// Create some  tombstones
	fsm.state.KVSSet(11, &structs.DirEntry{
		Key:   "/remove",
		Value: []byte("foo"),
	})
	fsm.state.KVSDelete(12, "/remove")

	// Create a new reap request
	req := structs.TombstoneRequest{
		Datacenter: "dc1",
		Op:         structs.TombstoneReap,
		ReapIndex:  12,
	}
	buf, err := structs.Encode(structs.TombstoneRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if err, ok := resp.(error); ok {
		t.Fatalf("resp: %v", err)
	}

	// Verify the tombstones are gone
	_, res, err := fsm.state.tombstoneTable.Get("id")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if len(res) != 0 {
		t.Fatalf("bad: %v", res)
	}
}
Ejemplo n.º 9
0
func TestFSM_RegisterNode(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	req := structs.RegisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		Address:    "127.0.0.1",
	}
	buf, err := structs.Encode(structs.RegisterRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify we are registered
	if idx, found, _ := fsm.state.GetNode("foo"); !found {
		t.Fatalf("not found!")
	} else if idx != 1 {
		t.Fatalf("bad index: %d", idx)
	}

	// Verify service registered
	_, services := fsm.state.NodeServices("foo")
	if len(services.Services) != 0 {
		t.Fatalf("Services: %v", services)
	}
}
Ejemplo n.º 10
0
// Testing for GH-300 and GH-279
func TestHealthCheckRace(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()
	state := fsm.State()

	req := structs.RegisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
		Address:    "127.0.0.1",
		Service: &structs.NodeService{
			ID:      "db",
			Service: "db",
		},
		Check: &structs.HealthCheck{
			Node:      "foo",
			CheckID:   "db",
			Name:      "db connectivity",
			Status:    structs.HealthPassing,
			ServiceID: "db",
		},
	}
	buf, err := structs.Encode(structs.RegisterRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	log := makeLog(buf)
	log.Index = 10
	resp := fsm.Apply(log)
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify the index
	idx, out1 := state.CheckServiceNodes("db")
	if idx != 10 {
		t.Fatalf("Bad index")
	}

	// Update the check state
	req.Check.Status = structs.HealthCritical
	buf, err = structs.Encode(structs.RegisterRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	log = makeLog(buf)
	log.Index = 20
	resp = fsm.Apply(log)
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Verify the index changed
	idx, out2 := state.CheckServiceNodes("db")
	if idx != 20 {
		t.Fatalf("Bad index")
	}

	if reflect.DeepEqual(out1, out2) {
		t.Fatalf("match: %#v %#v", *out1[0].Checks[0], *out2[0].Checks[0])
	}
}
Ejemplo n.º 11
0
func TestFSM_ACL_Set_Delete(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	// Create a new ACL
	req := structs.ACLRequest{
		Datacenter: "dc1",
		Op:         structs.ACLSet,
		ACL: structs.ACL{
			ID:   generateUUID(),
			Name: "User token",
			Type: structs.ACLTypeClient,
		},
	}
	buf, err := structs.Encode(structs.ACLRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if err, ok := resp.(error); ok {
		t.Fatalf("resp: %v", err)
	}

	// Get the ACL
	id := resp.(string)
	_, acl, err := fsm.state.ACLGet(id)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if acl == nil {
		t.Fatalf("missing")
	}

	// Verify the ACL
	if acl.ID != id {
		t.Fatalf("bad: %v", *acl)
	}
	if acl.Name != "User token" {
		t.Fatalf("bad: %v", *acl)
	}
	if acl.Type != structs.ACLTypeClient {
		t.Fatalf("bad: %v", *acl)
	}

	// Try to destroy
	destroy := structs.ACLRequest{
		Datacenter: "dc1",
		Op:         structs.ACLDelete,
		ACL: structs.ACL{
			ID: id,
		},
	}
	buf, err = structs.Encode(structs.ACLRequestType, destroy)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp = fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	_, acl, err = fsm.state.ACLGet(id)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if acl != nil {
		t.Fatalf("should be destroyed")
	}
}
Ejemplo n.º 12
0
func TestFSM_SessionCreate_Destroy(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	fsm.state.EnsureNode(1, structs.Node{"foo", "127.0.0.1"})
	fsm.state.EnsureCheck(2, &structs.HealthCheck{
		Node:    "foo",
		CheckID: "web",
		Status:  structs.HealthPassing,
	})

	// Create a new session
	req := structs.SessionRequest{
		Datacenter: "dc1",
		Op:         structs.SessionCreate,
		Session: structs.Session{
			ID:     generateUUID(),
			Node:   "foo",
			Checks: []string{"web"},
		},
	}
	buf, err := structs.Encode(structs.SessionRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if err, ok := resp.(error); ok {
		t.Fatalf("resp: %v", err)
	}

	// Get the session
	id := resp.(string)
	_, session, err := fsm.state.SessionGet(id)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if session == nil {
		t.Fatalf("missing")
	}

	// Verify the session
	if session.ID != id {
		t.Fatalf("bad: %v", *session)
	}
	if session.Node != "foo" {
		t.Fatalf("bad: %v", *session)
	}
	if session.Checks[0] != "web" {
		t.Fatalf("bad: %v", *session)
	}

	// Try to destroy
	destroy := structs.SessionRequest{
		Datacenter: "dc1",
		Op:         structs.SessionDestroy,
		Session: structs.Session{
			ID: id,
		},
	}
	buf, err = structs.Encode(structs.SessionRequestType, destroy)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp = fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	_, session, err = fsm.state.SessionGet(id)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if session != nil {
		t.Fatalf("should be destroyed")
	}
}