open-consul/consul/fsm_test.go

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package consul
import (
"bytes"
"fmt"
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"os"
"reflect"
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"testing"
"github.com/hashicorp/consul/consul/state"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/consul/lib"
"github.com/hashicorp/consul/types"
"github.com/hashicorp/go-uuid"
"github.com/hashicorp/raft"
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)
type MockSink struct {
*bytes.Buffer
cancel bool
}
func (m *MockSink) ID() string {
return "Mock"
}
func (m *MockSink) Cancel() error {
m.cancel = true
return nil
}
func (m *MockSink) Close() error {
return nil
}
func makeLog(buf []byte) *raft.Log {
return &raft.Log{
Index: 1,
Term: 1,
Type: raft.LogCommand,
Data: buf,
}
}
func generateUUID() (ret string) {
var err error
if ret, err = uuid.GenerateUUID(); err != nil {
panic(fmt.Sprintf("Unable to generate a UUID, %v", err))
}
return ret
}
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func TestFSM_RegisterNode(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
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req := structs.RegisterRequest{
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Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
}
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buf, err := structs.Encode(structs.RegisterRequestType, req)
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if err != nil {
t.Fatalf("err: %v", err)
}
resp := fsm.Apply(makeLog(buf))
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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 {
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t.Fatalf("not found!")
}
if node.ModifyIndex != 1 {
t.Fatalf("bad index: %d", node.ModifyIndex)
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}
// Verify service registered
_, services, err := fsm.state.NodeServices(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if len(services.Services) != 0 {
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t.Fatalf("Services: %v", services)
}
}
func TestFSM_RegisterNode_Service(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
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req := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "db",
Service: "db",
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Tags: []string{"master"},
Port: 8000,
},
Check: &structs.HealthCheck{
Node: "foo",
CheckID: "db",
Name: "db connectivity",
Status: structs.HealthPassing,
ServiceID: "db",
},
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}
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buf, err := structs.Encode(structs.RegisterRequestType, req)
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if err != nil {
t.Fatalf("err: %v", err)
}
resp := fsm.Apply(makeLog(buf))
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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 {
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t.Fatalf("not found!")
}
// Verify service registered
_, services, err := fsm.state.NodeServices(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if _, ok := services.Services["db"]; !ok {
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t.Fatalf("not registered!")
}
// Verify check
_, checks, err := fsm.state.NodeChecks(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if checks[0].CheckID != "db" {
t.Fatalf("not registered!")
}
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}
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func TestFSM_DeregisterService(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
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req := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "db",
Service: "db",
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Tags: []string{"master"},
Port: 8000,
},
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}
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buf, err := structs.Encode(structs.RegisterRequestType, req)
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if err != nil {
t.Fatalf("err: %v", err)
}
resp := fsm.Apply(makeLog(buf))
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if resp != nil {
t.Fatalf("resp: %v", resp)
}
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dereg := structs.DeregisterRequest{
Datacenter: "dc1",
Node: "foo",
ServiceID: "db",
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}
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buf, err = structs.Encode(structs.DeregisterRequestType, dereg)
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if err != nil {
t.Fatalf("err: %v", err)
}
resp = fsm.Apply(makeLog(buf))
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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 {
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t.Fatalf("not found!")
}
// Verify service not registered
_, services, err := fsm.state.NodeServices(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if _, ok := services.Services["db"]; ok {
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t.Fatalf("db registered!")
}
}
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(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if len(checks) != 0 {
t.Fatalf("check registered!")
}
}
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func TestFSM_DeregisterNode(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
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req := structs.RegisterRequest{
Datacenter: "dc1",
Node: "foo",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "db",
Service: "db",
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Tags: []string{"master"},
Port: 8000,
},
Check: &structs.HealthCheck{
Node: "foo",
CheckID: "db",
Name: "db connectivity",
Status: structs.HealthPassing,
ServiceID: "db",
},
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}
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buf, err := structs.Encode(structs.RegisterRequestType, req)
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if err != nil {
t.Fatalf("err: %v", err)
}
resp := fsm.Apply(makeLog(buf))
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if resp != nil {
t.Fatalf("resp: %v", resp)
}
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dereg := structs.DeregisterRequest{
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Datacenter: "dc1",
Node: "foo",
}
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buf, err = structs.Encode(structs.DeregisterRequestType, dereg)
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if err != nil {
t.Fatalf("err: %v", err)
}
resp = fsm.Apply(makeLog(buf))
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if resp != nil {
t.Fatalf("resp: %v", resp)
}
// Verify we are not registered
_, node, err := fsm.state.GetNode("foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if node != nil {
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t.Fatalf("found!")
}
// Verify service not registered
_, services, err := fsm.state.NodeServices(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if services != nil {
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t.Fatalf("Services: %v", services)
}
// Verify checks not registered
_, checks, err := fsm.state.NodeChecks(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if len(checks) != 0 {
t.Fatalf("Services: %v", services)
}
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}
func TestFSM_SnapshotRestore(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
// Add some state
fsm.state.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
fsm.state.EnsureNode(2, &structs.Node{Node: "baz", Address: "127.0.0.2", TaggedAddresses: map[string]string{"hello": "1.2.3.4"}})
fsm.state.EnsureService(3, "foo", &structs.NodeService{ID: "web", Service: "web", Tags: nil, Address: "127.0.0.1", Port: 80})
fsm.state.EnsureService(4, "foo", &structs.NodeService{ID: "db", Service: "db", Tags: []string{"primary"}, Address: "127.0.0.1", Port: 5000})
fsm.state.EnsureService(5, "baz", &structs.NodeService{ID: "web", Service: "web", Tags: nil, Address: "127.0.0.2", Port: 80})
fsm.state.EnsureService(6, "baz", &structs.NodeService{ID: "db", Service: "db", Tags: []string{"secondary"}, Address: "127.0.0.2", Port: 5000})
fsm.state.EnsureCheck(7, &structs.HealthCheck{
Node: "foo",
CheckID: "web",
Name: "web connectivity",
Status: structs.HealthPassing,
ServiceID: "web",
})
fsm.state.KVSSet(8, &structs.DirEntry{
Key: "/test",
Value: []byte("foo"),
})
session := &structs.Session{ID: generateUUID(), Node: "foo"}
fsm.state.SessionCreate(9, session)
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acl := &structs.ACL{ID: generateUUID(), Name: "User Token"}
fsm.state.ACLSet(10, acl)
fsm.state.KVSSet(11, &structs.DirEntry{
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Key: "/remove",
Value: []byte("foo"),
})
fsm.state.KVSDelete(12, "/remove")
idx, _, err := fsm.state.KVSList(nil, "/remove")
if err != nil {
t.Fatalf("err: %s", err)
}
if idx != 12 {
t.Fatalf("bad index: %d", idx)
}
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updates := structs.Coordinates{
&structs.Coordinate{
Node: "baz",
Coord: generateRandomCoordinate(),
},
&structs.Coordinate{
Node: "foo",
Coord: generateRandomCoordinate(),
},
}
if err := fsm.state.CoordinateBatchUpdate(13, updates); err != nil {
t.Fatalf("err: %s", err)
}
query := structs.PreparedQuery{
ID: generateUUID(),
Service: structs.ServiceQuery{
Service: "web",
},
RaftIndex: structs.RaftIndex{
CreateIndex: 14,
ModifyIndex: 14,
},
}
if err := fsm.state.PreparedQuerySet(14, &query); err != nil {
t.Fatalf("err: %s", err)
}
// Snapshot
snap, err := fsm.Snapshot()
if err != nil {
t.Fatalf("err: %v", err)
}
defer snap.Release()
// Persist
buf := bytes.NewBuffer(nil)
sink := &MockSink{buf, false}
if err := snap.Persist(sink); err != nil {
t.Fatalf("err: %v", err)
}
// Try to restore on a new FSM
fsm2, err := NewFSM(nil, os.Stderr)
if err != nil {
t.Fatalf("err: %v", err)
}
// Do a restore
if err := fsm2.Restore(sink); err != nil {
t.Fatalf("err: %v", err)
}
// Verify the contents
_, nodes, err := fsm2.state.Nodes(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
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if len(nodes) != 2 {
t.Fatalf("bad: %v", nodes)
}
if nodes[0].Node != "baz" ||
nodes[0].Address != "127.0.0.2" ||
len(nodes[0].TaggedAddresses) != 1 ||
nodes[0].TaggedAddresses["hello"] != "1.2.3.4" {
t.Fatalf("bad: %v", nodes[0])
}
if nodes[1].Node != "foo" ||
nodes[1].Address != "127.0.0.1" ||
len(nodes[1].TaggedAddresses) != 0 {
t.Fatalf("bad: %v", nodes[1])
}
_, fooSrv, err := fsm2.state.NodeServices(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if len(fooSrv.Services) != 2 {
t.Fatalf("Bad: %v", fooSrv)
}
if !lib.StrContains(fooSrv.Services["db"].Tags, "primary") {
t.Fatalf("Bad: %v", fooSrv)
}
if fooSrv.Services["db"].Port != 5000 {
t.Fatalf("Bad: %v", fooSrv)
}
_, checks, err := fsm2.state.NodeChecks(nil, "foo")
if err != nil {
t.Fatalf("err: %s", err)
}
if len(checks) != 1 {
t.Fatalf("Bad: %v", checks)
}
// Verify key is set
_, d, err := fsm2.state.KVSGet(nil, "/test")
if err != nil {
t.Fatalf("err: %v", err)
}
if string(d.Value) != "foo" {
t.Fatalf("bad: %v", d)
}
// Verify session is restored
idx, s, err := fsm2.state.SessionGet(nil, session.ID)
if err != nil {
t.Fatalf("err: %v", err)
}
if s.Node != "foo" {
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t.Fatalf("bad: %v", s)
}
if idx <= 1 {
t.Fatalf("bad index: %d", idx)
}
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// Verify ACL is restored
_, a, err := fsm2.state.ACLGet(nil, acl.ID)
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if err != nil {
t.Fatalf("err: %v", err)
}
if a.Name != "User Token" {
t.Fatalf("bad: %v", a)
}
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if a.ModifyIndex <= 1 {
t.Fatalf("bad index: %d", idx)
}
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// Verify tombstones are restored
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func() {
snap := fsm2.state.Snapshot()
defer snap.Close()
stones, err := snap.Tombstones()
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if err != nil {
t.Fatalf("err: %s", err)
}
stone := stones.Next().(*state.Tombstone)
if stone == nil {
t.Fatalf("missing tombstone")
}
if stone.Key != "/remove" || stone.Index != 12 {
t.Fatalf("bad: %v", stone)
}
if stones.Next() != nil {
t.Fatalf("unexpected extra tombstones")
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}
}()
// Verify coordinates are restored
_, coords, err := fsm2.state.Coordinates(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(coords, updates) {
t.Fatalf("bad: %#v", coords)
}
// Verify queries are restored.
_, queries, err := fsm2.state.PreparedQueryList(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if len(queries) != 1 {
t.Fatalf("bad: %#v", queries)
}
if !reflect.DeepEqual(queries[0], &query) {
t.Fatalf("bad: %#v", queries[0])
}
// Snapshot
snap, err = fsm2.Snapshot()
if err != nil {
t.Fatalf("err: %v", err)
}
defer snap.Release()
// Persist
buf = bytes.NewBuffer(nil)
sink = &MockSink{buf, false}
if err := snap.Persist(sink); err != nil {
t.Fatalf("err: %v", err)
}
// Try to restore on the old FSM and make sure it abandons the old state
// store.
abandonCh := fsm.state.AbandonCh()
if err := fsm.Restore(sink); err != nil {
t.Fatalf("err: %v", err)
}
select {
case <-abandonCh:
default:
t.Fatalf("bad")
}
}
func TestFSM_BadRestore(t *testing.T) {
// Create an FSM with some state.
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
fsm.state.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
abandonCh := fsm.state.AbandonCh()
// Do a bad restore.
buf := bytes.NewBuffer([]byte("bad snapshot"))
sink := &MockSink{buf, false}
if err := fsm.Restore(sink); err == nil {
t.Fatalf("err: %v", err)
}
// Verify the contents didn't get corrupted.
_, nodes, err := fsm.state.Nodes(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if len(nodes) != 1 {
t.Fatalf("bad: %v", nodes)
}
if nodes[0].Node != "foo" ||
nodes[0].Address != "127.0.0.1" ||
len(nodes[0].TaggedAddresses) != 0 {
t.Fatalf("bad: %v", nodes[0])
}
// Verify the old state store didn't get abandoned.
select {
case <-abandonCh:
t.Fatalf("bad")
default:
}
}
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(nil, "/test/path")
if err != nil {
t.Fatalf("err: %v", err)
}
if d != nil {
t.Fatalf("key present")
}
}
func TestFSM_KVSDeleteTree(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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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 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(nil, "/test/path")
if err != nil {
t.Fatalf("err: %v", err)
}
if d != nil {
t.Fatalf("key present")
}
}
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func TestFSM_KVSDeleteCheckAndSet(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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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)
}
// Verify key is set
_, d, err := fsm.state.KVSGet(nil, "/test/path")
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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(nil, "/test/path")
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if err != nil {
t.Fatalf("err: %v", err)
}
if d != nil {
t.Fatalf("bad: %v", d)
}
}
func TestFSM_KVSCheckAndSet(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)
}
// Verify key is set
_, d, err := fsm.state.KVSGet(nil, "/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(nil, "/test/path")
if err != nil {
t.Fatalf("err: %v", err)
}
if string(d.Value) != "zip" {
t.Fatalf("bad: %v", d)
}
}
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func TestFSM_CoordinateUpdate(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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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"})
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// Write a batch of two coordinates.
updates := structs.Coordinates{
&structs.Coordinate{
Node: "node1",
Coord: generateRandomCoordinate(),
},
&structs.Coordinate{
Node: "node2",
Coord: generateRandomCoordinate(),
},
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}
buf, err := structs.Encode(structs.CoordinateBatchUpdateType, updates)
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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(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if !reflect.DeepEqual(coords, updates) {
t.Fatalf("bad: %#v", coords)
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}
}
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func TestFSM_SessionCreate_Destroy(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
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fsm.state.EnsureNode(1, &structs.Node{Node: "foo", Address: "127.0.0.1"})
fsm.state.EnsureCheck(2, &structs.HealthCheck{
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Node: "foo",
CheckID: "web",
Status: structs.HealthPassing,
})
// Create a new session
req := structs.SessionRequest{
Datacenter: "dc1",
Op: structs.SessionCreate,
Session: structs.Session{
ID: generateUUID(),
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Node: "foo",
Checks: []types.CheckID{"web"},
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},
}
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(nil, id)
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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(nil, id)
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if err != nil {
t.Fatalf("err: %v", err)
}
if session != nil {
t.Fatalf("should be destroyed")
}
}
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func TestFSM_KVSLock(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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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)
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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(nil, "/test/path")
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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)
}
}
func TestFSM_KVSUnlock(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
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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)
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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(nil, "/test/path")
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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)
}
}
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func TestFSM_ACL_Set_Delete(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
// Create a new ACL
req := structs.ACLRequest{
Datacenter: "dc1",
Op: structs.ACLSet,
ACL: structs.ACL{
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ID: generateUUID(),
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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(nil, id)
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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(nil, id)
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if err != nil {
t.Fatalf("err: %v", err)
}
if acl != nil {
t.Fatalf("should be destroyed")
}
}
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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(nil, 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(nil, 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(nil, query.Query.ID)
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != nil {
t.Fatalf("bad: %v", actual)
}
}
}
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func TestFSM_TombstoneReap(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
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if err != nil {
t.Fatalf("err: %v", err)
}
// Create some tombstones
fsm.state.KVSSet(11, &structs.DirEntry{
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Key: "/remove",
Value: []byte("foo"),
})
fsm.state.KVSDelete(12, "/remove")
idx, _, err := fsm.state.KVSList(nil, "/remove")
if err != nil {
t.Fatalf("err: %s", err)
}
if idx != 12 {
t.Fatalf("bad index: %d", idx)
}
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// 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
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snap := fsm.state.Snapshot()
defer snap.Close()
stones, err := snap.Tombstones()
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if err != nil {
t.Fatalf("err: %s", err)
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}
if stones.Next() != nil {
t.Fatalf("unexpected extra tombstones")
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}
}
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(nil, "/test/path")
if err != nil {
t.Fatalf("err: %v", err)
}
if d == nil {
t.Fatalf("missing")
}
}
func TestFSM_IgnoreUnknown(t *testing.T) {
fsm, err := NewFSM(nil, os.Stderr)
if err != nil {
t.Fatalf("err: %v", err)
}
// 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)
}
}