Golang Allocation.ClientStatus方法代码示例

func TestFSM_UpdateAllocFromClient(t *testing.T) {
	fsm := testFSM(t)
	state := fsm.State()

	alloc := mock.Alloc()
	state.UpsertAllocs(1, []*structs.Allocation{alloc})

	clientAlloc := new(structs.Allocation)
	*clientAlloc = *alloc
	clientAlloc.ClientStatus = structs.AllocClientStatusFailed

	req := structs.AllocUpdateRequest{
		Alloc: []*structs.Allocation{clientAlloc},
	}
	buf, err := structs.Encode(structs.AllocClientUpdateRequestType, 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
	out, err := fsm.State().AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	clientAlloc.CreateIndex = out.CreateIndex
	clientAlloc.ModifyIndex = out.ModifyIndex
	if !reflect.DeepEqual(clientAlloc, out) {
		t.Fatalf("bad: %#v %#v", clientAlloc, out)
	}
}

// setAlloc is used to update the allocation of the runner
// we preserve the existing client status and description
func (r *AllocRunner) setAlloc(alloc *structs.Allocation) {
	if r.alloc != nil {
		alloc.ClientStatus = r.alloc.ClientStatus
		alloc.ClientDescription = r.alloc.ClientDescription
	}
	r.alloc = alloc
}

func TestClient_UpdateAllocStatus(t *testing.T) {
	s1, _ := testServer(t, nil)
	defer s1.Shutdown()
	testutil.WaitForLeader(t, s1.RPC)

	c1 := testClient(t, func(c *config.Config) {
		c.RPCHandler = s1
	})
	defer c1.Shutdown()

	alloc := mock.Alloc()
	alloc.NodeID = c1.Node().ID

	state := s1.State()
	state.UpsertAllocs(100, []*structs.Allocation{alloc})

	newAlloc := new(structs.Allocation)
	*newAlloc = *alloc
	newAlloc.ClientStatus = structs.AllocClientStatusRunning

	err := c1.updateAllocStatus(newAlloc)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	out, err := state.AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	if out == nil || out.ClientStatus != structs.AllocClientStatusRunning {
		t.Fatalf("bad: %#v", out)
	}
}

func TestClientEndpoint_UpdateAlloc(t *testing.T) {
	s1 := testServer(t, nil)
	defer s1.Shutdown()
	codec := rpcClient(t, s1)
	testutil.WaitForLeader(t, s1.RPC)

	// Create the register request
	node := mock.Node()
	reg := &structs.NodeRegisterRequest{
		Node:         node,
		WriteRequest: structs.WriteRequest{Region: "global"},
	}

	// Fetch the response
	var resp structs.GenericResponse
	if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Inject fake evaluations
	alloc := mock.Alloc()
	alloc.NodeID = node.ID
	state := s1.fsm.State()
	state.UpsertJobSummary(99, mock.JobSummary(alloc.JobID))
	err := state.UpsertAllocs(100, []*structs.Allocation{alloc})
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Attempt update
	clientAlloc := new(structs.Allocation)
	*clientAlloc = *alloc
	clientAlloc.ClientStatus = structs.AllocClientStatusFailed

	// Update the alloc
	update := &structs.AllocUpdateRequest{
		Alloc:        []*structs.Allocation{clientAlloc},
		WriteRequest: structs.WriteRequest{Region: "global"},
	}
	var resp2 structs.NodeAllocsResponse
	start := time.Now()
	if err := msgpackrpc.CallWithCodec(codec, "Node.UpdateAlloc", update, &resp2); err != nil {
		t.Fatalf("err: %v", err)
	}
	if resp2.Index == 0 {
		t.Fatalf("Bad index: %d", resp2.Index)
	}
	if diff := time.Since(start); diff < batchUpdateInterval {
		t.Fatalf("too fast: %v", diff)
	}

	// Lookup the alloc
	out, err := state.AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if out.ClientStatus != structs.AllocClientStatusFailed {
		t.Fatalf("Bad: %#v", out)
	}
}

// UpdateAllocFromClient is used to update an allocation based on input
// from a client. While the schedulers are the authority on the allocation for
// most things, some updates are authoritative from the client. Specifically,
// the desired state comes from the schedulers, while the actual state comes
// from clients.
func (s *StateStore) UpdateAllocFromClient(index uint64, alloc *structs.Allocation) error {
	txn := s.db.Txn(true)
	defer txn.Abort()

	watcher := watch.NewItems()
	watcher.Add(watch.Item{Table: "allocs"})
	watcher.Add(watch.Item{Alloc: alloc.ID})
	watcher.Add(watch.Item{AllocEval: alloc.EvalID})
	watcher.Add(watch.Item{AllocJob: alloc.JobID})
	watcher.Add(watch.Item{AllocNode: alloc.NodeID})

	// Look for existing alloc
	existing, err := txn.First("allocs", "id", alloc.ID)
	if err != nil {
		return fmt.Errorf("alloc lookup failed: %v", err)
	}

	// Nothing to do if this does not exist
	if existing == nil {
		return nil
	}
	exist := existing.(*structs.Allocation)

	// Copy everything from the existing allocation
	copyAlloc := new(structs.Allocation)
	*copyAlloc = *exist

	// Pull in anything the client is the authority on
	copyAlloc.ClientStatus = alloc.ClientStatus
	copyAlloc.ClientDescription = alloc.ClientDescription
	copyAlloc.TaskStates = alloc.TaskStates

	// Update the modify index
	copyAlloc.ModifyIndex = index

	// Update the allocation
	if err := txn.Insert("allocs", copyAlloc); err != nil {
		return fmt.Errorf("alloc insert failed: %v", err)
	}

	// Update the indexes
	if err := txn.Insert("index", &IndexEntry{"allocs", index}); err != nil {
		return fmt.Errorf("index update failed: %v", err)
	}

	// Set the job's status
	forceStatus := ""
	if !copyAlloc.TerminalStatus() {
		forceStatus = structs.JobStatusRunning
	}
	jobs := map[string]string{alloc.JobID: forceStatus}
	if err := s.setJobStatuses(index, watcher, txn, jobs, false); err != nil {
		return fmt.Errorf("setting job status failed: %v", err)
	}

	txn.Defer(func() { s.watch.notify(watcher) })
	txn.Commit()
	return nil
}

func TestClientEndpoint_BatchUpdate(t *testing.T) {
	s1 := testServer(t, nil)
	defer s1.Shutdown()
	codec := rpcClient(t, s1)
	testutil.WaitForLeader(t, s1.RPC)

	// Create the register request
	node := mock.Node()
	reg := &structs.NodeRegisterRequest{
		Node:         node,
		WriteRequest: structs.WriteRequest{Region: "global"},
	}

	// Fetch the response
	var resp structs.GenericResponse
	if err := msgpackrpc.CallWithCodec(codec, "Node.Register", reg, &resp); err != nil {
		t.Fatalf("err: %v", err)
	}

	// Inject fake evaluations
	alloc := mock.Alloc()
	alloc.NodeID = node.ID
	state := s1.fsm.State()
	state.UpsertJobSummary(99, mock.JobSummary(alloc.JobID))
	err := state.UpsertAllocs(100, []*structs.Allocation{alloc})
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	// Attempt update
	clientAlloc := new(structs.Allocation)
	*clientAlloc = *alloc
	clientAlloc.ClientStatus = structs.AllocClientStatusFailed

	// Call to do the batch update
	bf := NewBatchFuture()
	endpoint := s1.endpoints.Node
	endpoint.batchUpdate(bf, []*structs.Allocation{clientAlloc})
	if err := bf.Wait(); err != nil {
		t.Fatalf("err: %v", err)
	}
	if bf.Index() == 0 {
		t.Fatalf("Bad index: %d", bf.Index())
	}

	// Lookup the alloc
	out, err := state.AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if out.ClientStatus != structs.AllocClientStatusFailed {
		t.Fatalf("Bad: %#v", out)
	}
}

// updateAllocStatus is used to update the status of an allocation
func (c *Client) updateAllocStatus(alloc *structs.Allocation) {
	// Only send the fields that are updatable by the client.
	stripped := new(structs.Allocation)
	stripped.ID = alloc.ID
	stripped.NodeID = c.Node().ID
	stripped.TaskStates = alloc.TaskStates
	stripped.ClientStatus = alloc.ClientStatus
	stripped.ClientDescription = alloc.ClientDescription
	select {
	case c.allocUpdates <- stripped:
	case <-c.shutdownCh:
	}
}

// nestedUpdateAllocFromClient is used to nest an update of an allocation with client status
func (s *StateStore) nestedUpdateAllocFromClient(txn *memdb.Txn, watcher watch.Items, index uint64, alloc *structs.Allocation) error {
	// Look for existing alloc
	existing, err := txn.First("allocs", "id", alloc.ID)
	if err != nil {
		return fmt.Errorf("alloc lookup failed: %v", err)
	}

	// Nothing to do if this does not exist
	if existing == nil {
		return nil
	}
	exist := existing.(*structs.Allocation)
	// Trigger the watcher
	watcher.Add(watch.Item{Alloc: alloc.ID})
	watcher.Add(watch.Item{AllocEval: exist.EvalID})
	watcher.Add(watch.Item{AllocJob: exist.JobID})
	watcher.Add(watch.Item{AllocNode: exist.NodeID})

	// Copy everything from the existing allocation
	copyAlloc := new(structs.Allocation)
	*copyAlloc = *exist

	// Pull in anything the client is the authority on
	copyAlloc.ClientStatus = alloc.ClientStatus
	copyAlloc.ClientDescription = alloc.ClientDescription
	copyAlloc.TaskStates = alloc.TaskStates

	// Update the modify index
	copyAlloc.ModifyIndex = index

	if err := s.updateSummaryWithAlloc(index, copyAlloc, exist, watcher, txn); err != nil {
		return fmt.Errorf("error updating job summary: %v", err)
	}

	// Update the allocation
	if err := txn.Insert("allocs", copyAlloc); err != nil {
		return fmt.Errorf("alloc insert failed: %v", err)
	}

	// Set the job's status
	forceStatus := ""
	if !copyAlloc.TerminalStatus() {
		forceStatus = structs.JobStatusRunning
	}
	jobs := map[string]string{exist.JobID: forceStatus}
	if err := s.setJobStatuses(index, watcher, txn, jobs, false); err != nil {
		return fmt.Errorf("setting job status failed: %v", err)
	}
	return nil
}

func TestStateStore_UpdateAllocFromClient(t *testing.T) {
	state := testStateStore(t)
	alloc := mock.Alloc()

	notify := setupNotifyTest(
		state,
		watch.Item{Table: "allocs"},
		watch.Item{Alloc: alloc.ID},
		watch.Item{AllocEval: alloc.EvalID},
		watch.Item{AllocJob: alloc.JobID},
		watch.Item{AllocNode: alloc.NodeID})

	err := state.UpsertAllocs(1000, []*structs.Allocation{alloc})
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	update := new(structs.Allocation)
	*update = *alloc
	update.ClientStatus = structs.AllocClientStatusFailed

	err = state.UpdateAllocFromClient(1001, update)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	out, err := state.AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	update.ModifyIndex = 1001
	if !reflect.DeepEqual(update, out) {
		t.Fatalf("bad: %#v %#v", update, out)
	}

	index, err := state.Index("allocs")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if index != 1001 {
		t.Fatalf("bad: %d", index)
	}

	notify.verify(t)
}

// UpdateAllocFromClient is used to update an allocation based on input
// from a client. While the schedulers are the authority on the allocation for
// most things, some updates are authoritative from the client. Specifically,
// the desired state comes from the schedulers, while the actual state comes
// from clients.
func (s *StateStore) UpdateAllocFromClient(index uint64, alloc *structs.Allocation) error {
	txn := s.db.Txn(true)
	defer txn.Abort()

	// Look for existing alloc
	existing, err := txn.First("allocs", "id", alloc.ID)
	if err != nil {
		return fmt.Errorf("alloc lookup failed: %v", err)
	}

	// Nothing to do if this does not exist
	if existing == nil {
		return nil
	}
	exist := existing.(*structs.Allocation)

	// Copy everything from the existing allocation
	copyAlloc := new(structs.Allocation)
	*copyAlloc = *exist

	// Pull in anything the client is the authority on
	copyAlloc.ClientStatus = alloc.ClientStatus
	copyAlloc.ClientDescription = alloc.ClientDescription

	// Update the modify index
	copyAlloc.ModifyIndex = index

	// Update the allocation
	if err := txn.Insert("allocs", copyAlloc); err != nil {
		return fmt.Errorf("alloc insert failed: %v", err)
	}

	// Update the indexes
	if err := txn.Insert("index", &IndexEntry{"allocs", index}); err != nil {
		return fmt.Errorf("index update failed: %v", err)
	}

	nodes := map[string]struct{}{alloc.NodeID: struct{}{}}
	txn.Defer(func() { s.watch.notifyAllocs(nodes) })
	txn.Commit()
	return nil
}

func TestStateStore_UpdateAllocFromClient(t *testing.T) {
	state := testStateStore(t)

	alloc := mock.Alloc()
	err := state.UpsertAllocs(1000, []*structs.Allocation{alloc})
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	update := new(structs.Allocation)
	*update = *alloc
	update.ClientStatus = structs.AllocClientStatusFailed

	err = state.UpdateAllocFromClient(1001, update)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	out, err := state.AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}

	update.ModifyIndex = 1001
	if !reflect.DeepEqual(update, out) {
		t.Fatalf("bad: %#v %#v", update, out)
	}

	index, err := state.Index("allocs")
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	if index != 1001 {
		t.Fatalf("bad: %d", index)
	}
}

// inplaceUpdate attempts to update allocations in-place where possible.
func inplaceUpdate(ctx Context, eval *structs.Evaluation, job *structs.Job,
	stack Stack, updates []allocTuple) []allocTuple {

	n := len(updates)
	inplace := 0
	for i := 0; i < n; i++ {
		// Get the update
		update := updates[i]

		// Check if the task drivers or config has changed, requires
		// a rolling upgrade since that cannot be done in-place.
		existing := update.Alloc.Job.LookupTaskGroup(update.TaskGroup.Name)
		if tasksUpdated(update.TaskGroup, existing) {
			continue
		}

		// Get the existing node
		node, err := ctx.State().NodeByID(update.Alloc.NodeID)
		if err != nil {
			ctx.Logger().Printf("[ERR] sched: %#v failed to get node '%s': %v",
				eval, update.Alloc.NodeID, err)
			continue
		}
		if node == nil {
			continue
		}

		// Set the existing node as the base set
		stack.SetNodes([]*structs.Node{node})

		// Stage an eviction of the current allocation. This is done so that
		// the current allocation is discounted when checking for feasability.
		// Otherwise we would be trying to fit the tasks current resources and
		// updated resources. After select is called we can remove the evict.
		ctx.Plan().AppendUpdate(update.Alloc, structs.AllocDesiredStatusStop,
			allocInPlace)

		// Attempt to match the task group
		option, size := stack.Select(update.TaskGroup)

		// Pop the allocation
		ctx.Plan().PopUpdate(update.Alloc)

		// Skip if we could not do an in-place update
		if option == nil {
			continue
		}

		// Restore the network offers from the existing allocation.
		// We do not allow network resources (reserved/dynamic ports)
		// to be updated. This is guarded in taskUpdated, so we can
		// safely restore those here.
		for task, resources := range option.TaskResources {
			existing := update.Alloc.TaskResources[task]
			resources.Networks = existing.Networks
		}

		// Create a shallow copy
		newAlloc := new(structs.Allocation)
		*newAlloc = *update.Alloc

		// Update the allocation
		newAlloc.EvalID = eval.ID
		newAlloc.Job = job
		newAlloc.Resources = size
		newAlloc.TaskResources = option.TaskResources
		newAlloc.Metrics = ctx.Metrics()
		newAlloc.DesiredStatus = structs.AllocDesiredStatusRun
		newAlloc.ClientStatus = structs.AllocClientStatusPending
		ctx.Plan().AppendAlloc(newAlloc)

		// Remove this allocation from the slice
		updates[i] = updates[n-1]
		i--
		n--
		inplace++
	}
	if len(updates) > 0 {
		ctx.Logger().Printf("[DEBUG] sched: %#v: %d in-place updates of %d", eval, inplace, len(updates))
	}
	return updates[:n]
}

func TestFSM_UpdateAllocFromClient(t *testing.T) {
	fsm := testFSM(t)
	fsm.blockedEvals.SetEnabled(true)
	state := fsm.State()

	node := mock.Node()
	state.UpsertNode(1, node)

	// Mark an eval as blocked.
	eval := mock.Eval()
	eval.ClassEligibility = map[string]bool{node.ComputedClass: true}
	fsm.blockedEvals.Block(eval)

	bStats := fsm.blockedEvals.Stats()
	if bStats.TotalBlocked != 1 {
		t.Fatalf("bad: %#v", bStats)
	}

	// Create a completed eval
	alloc := mock.Alloc()
	alloc.NodeID = node.ID
	state.UpsertAllocs(1, []*structs.Allocation{alloc})

	clientAlloc := new(structs.Allocation)
	*clientAlloc = *alloc
	clientAlloc.ClientStatus = structs.AllocClientStatusDead

	req := structs.AllocUpdateRequest{
		Alloc: []*structs.Allocation{clientAlloc},
	}
	buf, err := structs.Encode(structs.AllocClientUpdateRequestType, 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
	out, err := fsm.State().AllocByID(alloc.ID)
	if err != nil {
		t.Fatalf("err: %v", err)
	}
	clientAlloc.CreateIndex = out.CreateIndex
	clientAlloc.ModifyIndex = out.ModifyIndex
	if !reflect.DeepEqual(clientAlloc, out) {
		t.Fatalf("bad: %#v %#v", clientAlloc, out)
	}

	// Verify the eval was unblocked.
	testutil.WaitForResult(func() (bool, error) {
		bStats = fsm.blockedEvals.Stats()
		if bStats.TotalBlocked != 0 {
			return false, fmt.Errorf("bad: %#v %#v", bStats, out)
		}
		return true, nil
	}, func(err error) {
		t.Fatalf("err: %s", err)
	})
}