示例#1
0
func TestFSM_KVSDeleteCheckAndSet(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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.KVSDeleteCAS
	req.DirEnt.ModifyIndex = d.ModifyIndex
	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 gone
	_, d, err = fsm.state.KVSGet("/test/path")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if d != nil {
		t.Fatalf("bad: %v", d)
	}
}
示例#2
0
func TestFSM_DeregisterCheck(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	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
	_, node, err := fsm.state.GetNode("foo")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if node == nil {
		t.Fatalf("not found!")
	}

	// Verify check not registered
	_, checks, err := fsm.state.NodeChecks("foo")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if len(checks) != 0 {
		t.Fatalf("check registered!")
	}
}
示例#3
0
func TestFSM_DeregisterService(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	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
	_, node, err := fsm.state.GetNode("foo")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if node == nil {
		t.Fatalf("not found!")
	}

	// Verify service not registered
	_, services, err := fsm.state.NodeServices("foo")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if _, ok := services.Services["db"]; ok {
		t.Fatalf("db registered!")
	}
}
示例#4
0
func TestFSM_DeregisterService(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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!")
	}
}
示例#5
0
func TestFSM_DeregisterCheck(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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!")
	}
}
示例#6
0
func TestFSM_KVSCheckAndSet(t *testing.T) {
	fsm, err := NewFSM(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)
	}
}
示例#7
0
func TestFSM_KVSDeleteTree(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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")
	}
}
示例#8
0
func TestFSM_IgnoreUnknown(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	fsm, err := NewFSM(nil, path, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer fsm.Close()

	// Create a new reap request
	type UnknownRequest struct {
		Foo string
	}
	req := UnknownRequest{Foo: "bar"}
	msgType := structs.IgnoreUnknownTypeFlag | 64
	buf, err := structs.Encode(msgType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Apply should work, even though not supported
	resp := fsm.Apply(makeLog(buf))
	if err, ok := resp.(error); ok {
		t.Fatalf("resp: %v", err)
	}
}
示例#9
0
func TestFSM_RegisterNode(t *testing.T) {
	fsm, err := NewFSM(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)
	}
}
示例#10
0
func TestFSM_KVSSet(t *testing.T) {
	fsm, err := NewFSM(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("missing")
	}
}
示例#11
0
func TestFSM_RegisterNode_Service(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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!")
	}
}
示例#12
0
func TestFSM_KVSDelete(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	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
	req.Op = structs.KVSDelete
	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")
	}
}
示例#13
0
文件: rpc.go 项目: rayleyva/consul
// 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)
	}

	future := s.raft.Apply(buf, 0)
	if err := future.Error(); err != nil {
		return nil, err
	}

	return future.Response(), nil
}
示例#14
0
func TestFSM_KVSLock(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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)
	}
}
示例#15
0
func TestFSM_TombstoneReap(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Create some tombstones
	fsm.state.KVSSet(11, &structs.DirEntry{
		Key:   "/remove",
		Value: []byte("foo"),
	})
	fsm.state.KVSDelete(12, "/remove")
	idx, _, err := fsm.state.KVSList("/remove")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if idx != 12 {
		t.Fatalf("bad index: %d", idx)
	}

	// 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
	snap := fsm.state.Snapshot()
	defer snap.Close()
	stones, err := snap.Tombstones()
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if stones.Next() != nil {
		t.Fatalf("unexpected extra tombstones")
	}
}
示例#16
0
文件: rpc.go 项目: nelhage/consul
// 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, 0)
	if err := future.Error(); err != nil {
		return nil, err
	}

	return future.Response(), nil
}
示例#17
0
func TestFSM_TombstoneReap(t *testing.T) {
	path, err := ioutil.TempDir("", "fsm")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	defer os.RemoveAll(path)
	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)
	}
}
示例#18
0
func TestFSM_RegisterNode(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	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
	_, node, err := fsm.state.GetNode("foo")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if node == nil {
		t.Fatalf("not found!")
	}
	if node.ModifyIndex != 1 {
		t.Fatalf("bad index: %d", node.ModifyIndex)
	}

	// Verify service registered
	_, services, err := fsm.state.NodeServices("foo")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if len(services.Services) != 0 {
		t.Fatalf("Services: %v", services)
	}
}
示例#19
0
func TestFSM_Txn(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Set a key using a transaction.
	req := structs.TxnRequest{
		Datacenter: "dc1",
		Ops: structs.TxnOps{
			&structs.TxnOp{
				KV: &structs.TxnKVOp{
					Verb: structs.KVSSet,
					DirEnt: structs.DirEntry{
						Key:   "/test/path",
						Flags: 0,
						Value: []byte("test"),
					},
				},
			},
		},
	}
	buf, err := structs.Encode(structs.TxnRequestType, req)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if _, ok := resp.(structs.TxnResponse); !ok {
		t.Fatalf("bad response type: %T", resp)
	}

	// Verify key is set directly in the state store.
	_, d, err := fsm.state.KVSGet("/test/path")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if d == nil {
		t.Fatalf("missing")
	}
}
示例#20
0
func TestFSM_CoordinateUpdate(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Register some nodes.
	fsm.state.EnsureNode(1, &structs.Node{Node: "node1", Address: "127.0.0.1"})
	fsm.state.EnsureNode(2, &structs.Node{Node: "node2", Address: "127.0.0.1"})

	// Write a batch of two coordinates.
	updates := structs.Coordinates{
		&structs.Coordinate{
			Node:  "node1",
			Coord: generateRandomCoordinate(),
		},
		&structs.Coordinate{
			Node:  "node2",
			Coord: generateRandomCoordinate(),
		},
	}
	buf, err := structs.Encode(structs.CoordinateBatchUpdateType, updates)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	resp := fsm.Apply(makeLog(buf))
	if resp != nil {
		t.Fatalf("resp: %v", resp)
	}

	// Read back the two coordinates to make sure they got updated.
	_, coords, err := fsm.state.Coordinates()
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	if !reflect.DeepEqual(coords, updates) {
		t.Fatalf("bad: %#v", coords)
	}
}
示例#21
0
func TestFSM_ACL_Set_Delete(t *testing.T) {
	fsm, err := NewFSM(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{
			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")
	}
}
示例#22
0
func TestFSM_SessionCreate_Destroy(t *testing.T) {
	fsm, err := NewFSM(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{
			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")
	}
}
示例#23
0
func TestFSM_PreparedQuery_CRUD(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Register a service to query on.
	fsm.state.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
	fsm.state.EnsureService(2, "foo", &structs.NodeService{ID: "web", Service: "web", Tags: nil, Address: "127.0.0.1", Port: 80})

	// Create a new query.
	query := structs.PreparedQueryRequest{
		Op: structs.PreparedQueryCreate,
		Query: &structs.PreparedQuery{
			ID: generateUUID(),
			Service: structs.ServiceQuery{
				Service: "web",
			},
		},
	}
	{
		buf, err := structs.Encode(structs.PreparedQueryRequestType, query)
		if err != nil {
			t.Fatalf("err: %v", err)
		}
		resp := fsm.Apply(makeLog(buf))
		if resp != nil {
			t.Fatalf("resp: %v", resp)
		}
	}

	// Verify it's in the state store.
	{
		_, actual, err := fsm.state.PreparedQueryGet(query.Query.ID)
		if err != nil {
			t.Fatalf("err: %s", err)
		}

		actual.CreateIndex, actual.ModifyIndex = 0, 0
		if !reflect.DeepEqual(actual, query.Query) {
			t.Fatalf("bad: %v", actual)
		}
	}

	// Make an update to the query.
	query.Op = structs.PreparedQueryUpdate
	query.Query.Name = "my-query"
	{
		buf, err := structs.Encode(structs.PreparedQueryRequestType, query)
		if err != nil {
			t.Fatalf("err: %v", err)
		}
		resp := fsm.Apply(makeLog(buf))
		if resp != nil {
			t.Fatalf("resp: %v", resp)
		}
	}

	// Verify the update.
	{
		_, actual, err := fsm.state.PreparedQueryGet(query.Query.ID)
		if err != nil {
			t.Fatalf("err: %s", err)
		}

		actual.CreateIndex, actual.ModifyIndex = 0, 0
		if !reflect.DeepEqual(actual, query.Query) {
			t.Fatalf("bad: %v", actual)
		}
	}

	// Delete the query.
	query.Op = structs.PreparedQueryDelete
	{
		buf, err := structs.Encode(structs.PreparedQueryRequestType, query)
		if err != nil {
			t.Fatalf("err: %v", err)
		}
		resp := fsm.Apply(makeLog(buf))
		if resp != nil {
			t.Fatalf("resp: %v", resp)
		}
	}

	// Make sure it's gone.
	{
		_, actual, err := fsm.state.PreparedQueryGet(query.Query.ID)
		if err != nil {
			t.Fatalf("err: %s", err)
		}

		if actual != nil {
			t.Fatalf("bad: %v", actual)
		}
	}
}
示例#24
0
func TestFSM_DeregisterNode(t *testing.T) {
	fsm, err := NewFSM(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)
	}

	dereg := structs.DeregisterRequest{
		Datacenter: "dc1",
		Node:       "foo",
	}
	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("found!")
	}

	// Verify service not registered
	_, services := fsm.state.NodeServices("foo")
	if services != nil {
		t.Fatalf("Services: %v", services)
	}

	// Verify checks not registered
	_, checks := fsm.state.NodeChecks("foo")
	if len(checks) != 0 {
		t.Fatalf("Services: %v", services)
	}
}
示例#25
0
// Testing for GH-300 and GH-279
func TestHealthCheckRace(t *testing.T) {
	fsm, err := NewFSM(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])
	}
}
示例#26
0
// initialize is used to setup the store for use
func (s *StateStore) initialize() error {
	// Setup the Env first
	if err := s.env.SetMaxDBs(mdb.DBI(32)); err != nil {
		return err
	}

	// Set the maximum db size based on 32/64bit. Since we are
	// doing an mmap underneath, we need to limit our use of virtual
	// address space on 32bit, but don't have to care on 64bit.
	dbSize := dbMaxMapSize32bit
	if runtime.GOARCH == "amd64" {
		dbSize = dbMaxMapSize64bit
	}

	// Increase the maximum map size
	if err := s.env.SetMapSize(dbSize); err != nil {
		return err
	}

	// Optimize our flags for speed over safety, since the Raft log + snapshots
	// are durable. We treat this as an ephemeral in-memory DB, since we nuke
	// the data anyways.
	var flags uint = mdb.NOMETASYNC | mdb.NOSYNC | mdb.NOTLS
	if err := s.env.Open(s.path, flags, 0755); err != nil {
		return err
	}

	// Tables use a generic struct encoder
	encoder := func(obj interface{}) []byte {
		buf, err := structs.Encode(255, obj)
		if err != nil {
			panic(err)
		}
		return buf[1:]
	}

	// Setup our tables
	s.nodeTable = &MDBTable{
		Name: dbNodes,
		Indexes: map[string]*MDBIndex{
			"id": &MDBIndex{
				Unique: true,
				Fields: []string{"Node"},
			},
		},
		Decoder: func(buf []byte) interface{} {
			out := new(structs.Node)
			if err := structs.Decode(buf, out); err != nil {
				panic(err)
			}
			return out
		},
	}

	s.serviceTable = &MDBTable{
		Name: dbServices,
		Indexes: map[string]*MDBIndex{
			"id": &MDBIndex{
				Unique: true,
				Fields: []string{"Node", "ServiceID"},
			},
			"service": &MDBIndex{
				AllowBlank: true,
				Fields:     []string{"ServiceName"},
			},
		},
		Decoder: func(buf []byte) interface{} {
			out := new(structs.ServiceNode)
			if err := structs.Decode(buf, out); err != nil {
				panic(err)
			}
			return out
		},
	}

	s.checkTable = &MDBTable{
		Name: dbChecks,
		Indexes: map[string]*MDBIndex{
			"id": &MDBIndex{
				Unique: true,
				Fields: []string{"Node", "CheckID"},
			},
			"status": &MDBIndex{
				Fields: []string{"Status"},
			},
			"service": &MDBIndex{
				AllowBlank: true,
				Fields:     []string{"ServiceName"},
			},
			"node": &MDBIndex{
				AllowBlank: true,
				Fields:     []string{"Node", "ServiceID"},
			},
		},
		Decoder: func(buf []byte) interface{} {
			out := new(structs.HealthCheck)
			if err := structs.Decode(buf, out); err != nil {
				panic(err)
			}
			return out
		},
	}

	s.kvsTable = &MDBTable{
		Name: dbKVS,
		Indexes: map[string]*MDBIndex{
			"id": &MDBIndex{
				Unique: true,
				Fields: []string{"Key"},
			},
			"id_prefix": &MDBIndex{
				Virtual:   true,
				RealIndex: "id",
				Fields:    []string{"Key"},
				IdxFunc:   DefaultIndexPrefixFunc,
			},
		},
		Decoder: func(buf []byte) interface{} {
			out := new(structs.DirEntry)
			if err := structs.Decode(buf, out); err != nil {
				panic(err)
			}
			return out
		},
	}

	// Store the set of tables
	s.tables = []*MDBTable{s.nodeTable, s.serviceTable, s.checkTable, s.kvsTable}
	for _, table := range s.tables {
		table.Env = s.env
		table.Encoder = encoder
		if err := table.Init(); err != nil {
			return err
		}

		// Setup a notification group per table
		s.watch[table] = &NotifyGroup{}
	}

	// Setup the query tables
	s.queryTables = map[string]MDBTables{
		"Nodes":             MDBTables{s.nodeTable},
		"Services":          MDBTables{s.serviceTable},
		"ServiceNodes":      MDBTables{s.nodeTable, s.serviceTable},
		"NodeServices":      MDBTables{s.nodeTable, s.serviceTable},
		"ChecksInState":     MDBTables{s.checkTable},
		"NodeChecks":        MDBTables{s.checkTable},
		"ServiceChecks":     MDBTables{s.checkTable},
		"CheckServiceNodes": MDBTables{s.nodeTable, s.serviceTable, s.checkTable},
		"NodeInfo":          MDBTables{s.nodeTable, s.serviceTable, s.checkTable},
		"NodeDump":          MDBTables{s.nodeTable, s.serviceTable, s.checkTable},
		"KVSGet":            MDBTables{s.kvsTable},
		"KVSList":           MDBTables{s.kvsTable},
		"KVSListKeys":       MDBTables{s.kvsTable},
	}
	return nil
}
示例#27
0
func TestFSM_KVSUnlock(t *testing.T) {
	fsm, err := NewFSM(nil, os.Stderr)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	fsm.state.EnsureNode(1, &structs.Node{Node: "foo", Address: "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)
	}

	req = structs.KVSRequest{
		Datacenter: "dc1",
		Op:         structs.KVSUnlock,
		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 unlocked
	_, 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 != "" {
		t.Fatalf("bad: %v", *d)
	}
}