func (ss *stateSuite) TestCheckpointPreserveLastIds(c *C) {
b := new(fakeStateBackend)
st := state.New(b)
st.Lock()
st.NewChange("install", "...")
st.NewTask("download", "...")
st.NewTask("download", "...")
// implicit checkpoint
st.Unlock()
c.Assert(b.checkpoints, HasLen, 1)
buf := bytes.NewBuffer(b.checkpoints[0])
st2, err := state.ReadState(nil, buf)
c.Assert(err, IsNil)
st2.Lock()
defer st2.Unlock()
c.Assert(st2.NewTask("download", "...").ID(), Equals, "3")
c.Assert(st2.NewChange("install", "...").ID(), Equals, "2")
}
func (ts *taskSuite) TestProgressDefaults(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t := st.NewTask("download", "1...")
c.Check(t.Status(), Equals, state.DoStatus)
cur, tot := t.Progress()
c.Check(cur, Equals, 0)
c.Check(tot, Equals, 1)
t.SetStatus(state.DoStatus)
cur, tot = t.Progress()
c.Check(cur, Equals, 0)
c.Check(tot, Equals, 1)
t.SetStatus(state.DoneStatus)
cur, tot = t.Progress()
c.Check(cur, Equals, 1)
c.Check(tot, Equals, 1)
t.SetStatus(state.ErrorStatus)
cur, tot = t.Progress()
c.Check(cur, Equals, 1)
c.Check(tot, Equals, 1)
}
func (ss *stateSuite) TestNewTaskAndTasks(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
chg1 := st.NewChange("install", "...")
t11 := st.NewTask("check", "...")
chg1.AddTask(t11)
t12 := st.NewTask("inst", "...")
chg1.AddTask(t12)
chg2 := st.NewChange("remove", "...")
t21 := st.NewTask("check", "...")
t22 := st.NewTask("rm", "...")
chg2.AddTask(t22)
tasks := st.Tasks()
c.Check(tasks, HasLen, 4)
expected := map[string]*state.Task{
t11.ID(): t11,
t12.ID(): t12,
t21.ID(): t21,
t22.ID(): t22,
}
for _, t := range tasks {
c.Check(t, Equals, expected[t.ID()])
}
}
func (cs *changeSuite) TestAbort(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
chg := st.NewChange("install", "...")
for s := state.DefaultStatus + 1; s < state.ErrorStatus+1; s++ {
t := st.NewTask("download", s.String())
t.SetStatus(s)
t.Set("old-status", s)
chg.AddTask(t)
}
chg.Abort()
tasks := chg.Tasks()
for _, t := range tasks {
var s state.Status
err := t.Get("old-status", &s)
c.Assert(err, IsNil)
c.Logf("Checking %s task after abort", t.Summary())
switch s {
case state.DoStatus:
c.Assert(t.Status(), Equals, state.HoldStatus)
case state.DoneStatus:
c.Assert(t.Status(), Equals, state.UndoStatus)
case state.DoingStatus:
c.Assert(t.Status(), Equals, state.AbortStatus)
default:
c.Assert(t.Status(), Equals, s)
}
}
}
func (ts *taskRunnerSuite) TestExternalAbort(c *C) {
sb := &stateBackend{}
st := state.New(sb)
r := state.NewTaskRunner(st)
defer r.Stop()
ch := make(chan bool)
r.AddHandler("blocking", func(t *state.Task, tb *tomb.Tomb) error {
ch <- true
<-tb.Dying()
return nil
}, nil)
st.Lock()
chg := st.NewChange("install", "...")
t := st.NewTask("blocking", "...")
chg.AddTask(t)
st.Unlock()
r.Ensure()
<-ch
st.Lock()
chg.Abort()
st.Unlock()
// The Abort above must make Ensure kill the task, or this will never end.
ensureChange(c, r, sb, chg)
}
func (cs *changeSuite) TestErr(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
chg := st.NewChange("install", "...")
t1 := st.NewTask("download", "Download")
t2 := st.NewTask("activate", "Activate")
chg.AddTask(t1)
chg.AddTask(t2)
c.Assert(chg.Err(), IsNil)
// t2 still running so change not yet in ErrorStatus
t1.SetStatus(state.ErrorStatus)
c.Assert(chg.Err(), IsNil)
t2.SetStatus(state.ErrorStatus)
c.Assert(chg.Err(), ErrorMatches, `internal inconsistency: change "install" in ErrorStatus with no task errors logged`)
t1.Errorf("Download error")
c.Assert(chg.Err(), ErrorMatches, ""+
"cannot perform the following tasks:\n"+
"- Download \\(Download error\\)")
t2.Errorf("Activate error")
c.Assert(chg.Err(), ErrorMatches, ""+
"cannot perform the following tasks:\n"+
"- Download \\(Download error\\)\n"+
"- Activate \\(Activate error\\)")
}
func (cs *changeSuite) TestCloseReadyWhenTasksReady(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
chg := st.NewChange("install", "...")
t1 := st.NewTask("download", "...")
t2 := st.NewTask("download", "...")
chg.AddTask(t1)
chg.AddTask(t2)
select {
case <-chg.Ready():
c.Fatalf("Change should not be ready")
default:
}
t1.SetStatus(state.DoneStatus)
select {
case <-chg.Ready():
c.Fatalf("Change should not be ready")
default:
}
t2.SetStatus(state.DoneStatus)
select {
case <-chg.Ready():
default:
c.Fatalf("Change should be ready")
}
}
func populateStateFromInstalled() error {
all, err := (&snappy.Overlord{}).Installed()
if err != nil {
return err
}
if osutil.FileExists(dirs.SnapStateFile) {
return fmt.Errorf("cannot create state: state %q already exists", dirs.SnapStateFile)
}
st := state.New(&overlordStateBackend{
path: dirs.SnapStateFile,
})
st.Lock()
defer st.Unlock()
for _, sn := range all {
// no need to do a snapstate.Get() because this is firstboot
info := sn.Info()
var snapst snapstate.SnapState
snapst.Sequence = append(snapst.Sequence, &info.SideInfo)
snapst.Channel = info.Channel
snapst.Active = sn.IsActive()
snapstate.Set(st, sn.Name(), &snapst)
}
return nil
}
func (ts *taskSuite) TestState(c *C) {
st := state.New(nil)
st.Lock()
t := st.NewTask("download", "1...")
st.Unlock()
c.Assert(t.State(), Equals, st)
}
func (ss *stateSuite) TestEnsureBefore(c *C) {
b := new(fakeStateBackend)
st := state.New(b)
st.EnsureBefore(10 * time.Second)
c.Check(b.ensureBefore, Equals, 10*time.Second)
}
func (ams *assertMgrSuite) TestManagerAndDB(c *C) {
s := state.New(nil)
mgr, err := assertstate.Manager(s)
c.Assert(err, IsNil)
db := mgr.DB()
c.Check(db, FitsTypeOf, (*asserts.Database)(nil))
}
func (cs *changeSuite) TestState(c *C) {
st := state.New(nil)
st.Lock()
chg := st.NewChange("install", "...")
st.Unlock()
c.Assert(chg.State(), Equals, st)
}
func (ss *stateSuite) TestGetNoState(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
var mSt1B mgrState1
err := st.Get("mgr9", &mSt1B)
c.Check(err, Equals, state.ErrNoState)
}
func (cs *changeSuite) TestNewChange(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
chg := st.NewChange("install", "summary...")
c.Check(chg.Kind(), Equals, "install")
c.Check(chg.Summary(), Equals, "summary...")
}
func (s *interfaceManagerSuite) SetUpTest(c *C) {
dirs.SetRootDir(c.MkDir())
state := state.New(nil)
s.state = state
s.privateMgr = nil
s.extraIfaces = nil
s.secBackend = &interfaces.TestSecurityBackend{}
s.restoreBackends = ifacestate.MockSecurityBackends([]interfaces.SecurityBackend{s.secBackend})
}
func (cs *taskSuite) TestErrorf(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t := st.NewTask("download", "1...")
t.Errorf("Some %s", "error")
c.Assert(t.Log()[0], Matches, "....-..-..T.* ERROR Some error")
}
func (ts *taskSuite) TestNewTask(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t := st.NewTask("download", "1...")
c.Check(t.Kind(), Equals, "download")
c.Check(t.Summary(), Equals, "1...")
}
func (ss *stateSuite) TestSetPanic(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
unsupported := struct {
Ch chan bool
}{}
c.Check(func() { st.Set("mgr9", unsupported) }, PanicMatches, `internal error: could not marshal value for state entry "mgr9": json: unsupported type:.*`)
}
func (ts *taskSuite) TestTaskWaitFor(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t1 := st.NewTask("download", "1...")
t2 := st.NewTask("install", "2...")
t2.WaitFor(t1)
c.Assert(t2.WaitTasks(), DeepEquals, []*state.Task{t1})
c.Assert(t1.HaltTasks(), DeepEquals, []*state.Task{t2})
}
func (ss *stateSuite) TestPrune(c *C) {
st := state.New(&fakeStateBackend{})
st.Lock()
defer st.Unlock()
now := time.Now()
pruneWait := 1 * time.Hour
abortWait := 3 * time.Hour
unset := time.Time{}
t1 := st.NewTask("foo", "...")
t2 := st.NewTask("foo", "...")
t3 := st.NewTask("foo", "...")
t4 := st.NewTask("foo", "...")
chg1 := st.NewChange("abort", "...")
chg1.AddTask(t1)
state.MockChangeTimes(chg1, now.Add(-abortWait), unset)
chg2 := st.NewChange("prune", "...")
chg2.AddTask(t2)
c.Assert(chg2.Status(), Equals, state.DoStatus)
state.MockChangeTimes(chg2, now.Add(-pruneWait), now.Add(-pruneWait))
chg3 := st.NewChange("ready-but-recent", "...")
chg3.AddTask(t3)
state.MockChangeTimes(chg3, now.Add(-pruneWait), now.Add(-pruneWait/2))
chg4 := st.NewChange("old-but-not-ready", "...")
chg4.AddTask(t4)
state.MockChangeTimes(chg4, now.Add(-pruneWait/2), unset)
st.Prune(pruneWait, abortWait)
c.Assert(st.Change(chg1.ID()), Equals, chg1)
c.Assert(st.Change(chg2.ID()), IsNil)
c.Assert(st.Change(chg3.ID()), Equals, chg3)
c.Assert(st.Change(chg4.ID()), Equals, chg4)
c.Assert(st.Task(t1.ID()), Equals, t1)
c.Assert(st.Task(t2.ID()), IsNil)
c.Assert(st.Task(t3.ID()), Equals, t3)
c.Assert(st.Task(t4.ID()), Equals, t4)
c.Assert(chg1.Status(), Equals, state.HoldStatus)
c.Assert(chg3.Status(), Equals, state.DoStatus)
c.Assert(chg4.Status(), Equals, state.DoStatus)
c.Assert(t1.Status(), Equals, state.HoldStatus)
c.Assert(t3.Status(), Equals, state.DoStatus)
c.Assert(t4.Status(), Equals, state.DoStatus)
}
func loadState(backend state.Backend) (*state.State, error) {
if !osutil.FileExists(dirs.SnapStateFile) {
return state.New(backend), nil
}
r, err := os.Open(dirs.SnapStateFile)
if err != nil {
return nil, fmt.Errorf("failed to read the state file: %s", err)
}
defer r.Close()
return state.ReadState(backend, r)
}
func (ts *taskSuite) TestStatusAndSetStatus(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t := st.NewTask("download", "1...")
c.Check(t.Status(), Equals, state.DoStatus)
t.SetStatus(state.DoneStatus)
c.Check(t.Status(), Equals, state.DoneStatus)
}
func (cs *taskSuite) TestNewTaskSet(c *C) {
ts0 := state.NewTaskSet()
c.Check(ts0.Tasks(), HasLen, 0)
st := state.New(nil)
st.Lock()
t1 := st.NewTask("download", "1...")
t2 := st.NewTask("install", "2...")
ts2 := state.NewTaskSet(t1, t2)
st.Unlock()
c.Assert(ts2.Tasks(), DeepEquals, []*state.Task{t1, t2})
}
func (ts *taskSuite) TestTaskMarshalsLog(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t := st.NewTask("download", "1...")
t.Logf("foo")
d, err := t.MarshalJSON()
c.Assert(err, IsNil)
c.Assert(string(d), Matches, `.*"log":\["....-..-..T.* INFO foo"\].*`)
}
func (ss *stateSuite) TestNewChangeAndCheckpoint(c *C) {
b := new(fakeStateBackend)
st := state.New(b)
st.Lock()
chg := st.NewChange("install", "summary")
c.Assert(chg, NotNil)
chgID := chg.ID()
chg.Set("a", 1)
chg.SetStatus(state.ErrorStatus)
spawnTime := chg.SpawnTime()
readyTime := chg.ReadyTime()
// implicit checkpoint
st.Unlock()
c.Assert(b.checkpoints, HasLen, 1)
buf := bytes.NewBuffer(b.checkpoints[0])
st2, err := state.ReadState(nil, buf)
c.Assert(err, IsNil)
c.Assert(st2, NotNil)
st2.Lock()
defer st2.Unlock()
chgs := st2.Changes()
c.Assert(chgs, HasLen, 1)
chg0 := chgs[0]
c.Check(chg0.ID(), Equals, chgID)
c.Check(chg0.Kind(), Equals, "install")
c.Check(chg0.Summary(), Equals, "summary")
c.Check(chg0.SpawnTime().Equal(spawnTime), Equals, true)
c.Check(chg0.ReadyTime().Equal(readyTime), Equals, true)
var v int
err = chg0.Get("a", &v)
c.Check(v, Equals, 1)
c.Check(chg0.Status(), Equals, state.ErrorStatus)
select {
case <-chg0.Ready():
default:
c.Errorf("Change didn't preserve Ready channel closed after deserialization")
}
}
func (s *progressAdapterTestSuite) TestProgressAdapterWrite(c *C) {
st := state.New(nil)
st.Lock()
p := TaskProgressAdapter{
task: st.NewTask("op", "msg"),
}
st.Unlock()
p.Start("msg", 161803)
c.Check(p.total, Equals, float64(161803))
p.Write([]byte("some-bytes"))
c.Check(p.current, Equals, float64(len("some-bytes")))
}
func (cs *changeSuite) TestGetSet(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
chg := st.NewChange("install", "...")
chg.Set("a", 1)
var v int
err := chg.Get("a", &v)
c.Assert(err, IsNil)
c.Check(v, Equals, 1)
}
func (ts *taskSuite) TestGetSet(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t := st.NewTask("download", "1...")
t.Set("a", 1)
var v int
err := t.Get("a", &v)
c.Assert(err, IsNil)
c.Check(v, Equals, 1)
}
func (ts *taskSuite) TestTaskWaitAll(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
t1 := st.NewTask("download", "1...")
t2 := st.NewTask("install", "2...")
t3 := st.NewTask("setup", "3...")
t3.WaitAll(state.NewTaskSet(t1, t2))
c.Assert(t3.WaitTasks(), HasLen, 2)
c.Assert(t1.HaltTasks(), DeepEquals, []*state.Task{t3})
c.Assert(t2.HaltTasks(), DeepEquals, []*state.Task{t3})
}
func (ss *stateSuite) TestGetUnmarshalProblem(c *C) {
st := state.New(nil)
st.Lock()
defer st.Unlock()
mismatched := struct {
A int
}{A: 22}
st.Set("mgr9", &mismatched)
var mSt1B mgrState1
err := st.Get("mgr9", &mSt1B)
c.Check(err, ErrorMatches, `internal error: could not unmarshal state entry "mgr9": json: cannot unmarshal .*`)
}