915 lines
23 KiB
Go
915 lines
23 KiB
Go
package nomad
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import (
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"context"
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"fmt"
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"reflect"
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"sync"
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"testing"
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"time"
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log "github.com/hashicorp/go-hclog"
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"github.com/hashicorp/go-memdb"
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"github.com/hashicorp/nomad/ci"
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"github.com/shoenig/test/must"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/scheduler"
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"github.com/hashicorp/nomad/testutil"
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"github.com/stretchr/testify/assert"
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)
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type NoopScheduler struct {
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state scheduler.State
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planner scheduler.Planner
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eval *structs.Evaluation
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eventsCh chan<- interface{}
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err error
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}
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func (n *NoopScheduler) Process(eval *structs.Evaluation) error {
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if n.state == nil {
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panic("missing state")
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}
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if n.planner == nil {
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panic("missing planner")
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}
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n.eval = eval
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return n.err
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}
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func init() {
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scheduler.BuiltinSchedulers["noop"] = func(logger log.Logger, eventsCh chan<- interface{}, s scheduler.State, p scheduler.Planner) scheduler.Scheduler {
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n := &NoopScheduler{
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state: s,
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planner: p,
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}
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return n
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}
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}
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// NewTestWorker returns the worker without calling it's run method.
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func NewTestWorker(shutdownCtx context.Context, srv *Server) *Worker {
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w := &Worker{
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srv: srv,
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start: time.Now(),
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id: uuid.Generate(),
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}
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w.logger = srv.logger.ResetNamed("worker").With("worker_id", w.id)
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w.pauseCond = sync.NewCond(&w.pauseLock)
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w.ctx, w.cancelFn = context.WithCancel(shutdownCtx)
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return w
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}
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func TestWorker_dequeueEvaluation(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Create the evaluation
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eval1 := mock.Eval()
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s1.evalBroker.Enqueue(eval1)
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// Create a worker
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w, _ := NewWorker(s1.shutdownCtx, s1, poolArgs)
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// Attempt dequeue
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eval, token, waitIndex, shutdown := w.dequeueEvaluation(10 * time.Millisecond)
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if shutdown {
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t.Fatalf("should not shutdown")
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}
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if token == "" {
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t.Fatalf("should get token")
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}
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if waitIndex != eval1.ModifyIndex {
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t.Fatalf("bad wait index; got %d; want %d", waitIndex, eval1.ModifyIndex)
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}
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// Ensure we get a sane eval
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if !reflect.DeepEqual(eval, eval1) {
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t.Fatalf("bad: %#v %#v", eval, eval1)
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}
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}
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// Test that the worker picks up the correct wait index when there are multiple
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// evals for the same job.
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func TestWorker_dequeueEvaluation_SerialJobs(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Create the evaluation
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eval1 := mock.Eval()
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eval2 := mock.Eval()
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eval2.JobID = eval1.JobID
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// Insert the evals into the state store
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must.NoError(t, s1.fsm.State().UpsertEvals(
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structs.MsgTypeTestSetup, 1000, []*structs.Evaluation{eval1}))
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must.NoError(t, s1.fsm.State().UpsertEvals(
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structs.MsgTypeTestSetup, 2000, []*structs.Evaluation{eval2}))
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s1.evalBroker.Enqueue(eval1)
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s1.evalBroker.Enqueue(eval2)
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// Create a worker
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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// Attempt dequeue
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eval, token, waitIndex, shutdown := w.dequeueEvaluation(10 * time.Millisecond)
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must.False(t, shutdown, must.Sprint("should not be shutdown"))
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must.NotEq(t, token, "", must.Sprint("should get a token"))
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must.NotEq(t, eval1.ModifyIndex, waitIndex, must.Sprintf("bad wait index"))
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must.Eq(t, eval, eval1)
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// Update the modify index of the first eval
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must.NoError(t, s1.fsm.State().UpsertEvals(
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structs.MsgTypeTestSetup, 1500, []*structs.Evaluation{eval1}))
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// Send the Ack
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w.sendAck(eval1, token)
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// Attempt second dequeue; it should succeed because the 2nd eval has a
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// lower modify index than the snapshot used to schedule the 1st
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// eval. Normally this can only happen if the worker is on a follower that's
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// trailing behind in raft logs
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eval, token, waitIndex, shutdown = w.dequeueEvaluation(10 * time.Millisecond)
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must.False(t, shutdown, must.Sprint("should not be shutdown"))
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must.NotEq(t, token, "", must.Sprint("should get a token"))
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must.Eq(t, waitIndex, 2000, must.Sprintf("bad wait index"))
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must.Eq(t, eval, eval2)
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}
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func TestWorker_dequeueEvaluation_paused(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Create the evaluation
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eval1 := mock.Eval()
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s1.evalBroker.Enqueue(eval1)
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// Create a worker
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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w.pauseCond = sync.NewCond(&w.pauseLock)
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// PAUSE the worker
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w.Pause()
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go func() {
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time.Sleep(100 * time.Millisecond)
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w.Resume()
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}()
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// Attempt dequeue
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start := time.Now()
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eval, token, waitIndex, shutdown := w.dequeueEvaluation(10 * time.Millisecond)
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if diff := time.Since(start); diff < 100*time.Millisecond {
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t.Fatalf("should have paused: %v", diff)
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}
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if shutdown {
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t.Fatalf("should not shutdown")
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}
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if token == "" {
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t.Fatalf("should get token")
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}
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if waitIndex != eval1.ModifyIndex {
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t.Fatalf("bad wait index; got %d; want %d", waitIndex, eval1.ModifyIndex)
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}
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// Ensure we get a sane eval
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if !reflect.DeepEqual(eval, eval1) {
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t.Fatalf("bad: %#v %#v", eval, eval1)
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}
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}
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func TestWorker_dequeueEvaluation_shutdown(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Create a worker
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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go func() {
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time.Sleep(10 * time.Millisecond)
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s1.Shutdown()
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}()
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// Attempt dequeue
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eval, _, _, shutdown := w.dequeueEvaluation(10 * time.Millisecond)
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if !shutdown {
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t.Fatalf("should not shutdown")
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}
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// Ensure we get a sane eval
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if eval != nil {
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t.Fatalf("bad: %#v", eval)
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}
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}
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func TestWorker_Shutdown(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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go func() {
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time.Sleep(10 * time.Millisecond)
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w.Stop()
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}()
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// Attempt dequeue
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eval, _, _, shutdown := w.dequeueEvaluation(10 * time.Millisecond)
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require.True(t, shutdown)
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require.Nil(t, eval)
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}
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func TestWorker_Shutdown_paused(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w, _ := NewWorker(s1.shutdownCtx, s1, poolArgs)
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w.Pause()
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// pausing can take up to 500ms because of the blocking query timeout in dequeueEvaluation.
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require.Eventually(t, w.IsPaused, 550*time.Millisecond, 10*time.Millisecond, "should pause")
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go func() {
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w.Stop()
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}()
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// transitioning to stopped from paused should be very quick,
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// but might not be immediate.
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require.Eventually(t, w.IsStopped, 100*time.Millisecond, 10*time.Millisecond, "should stop when paused")
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}
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func TestWorker_sendAck(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Create the evaluation
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eval1 := mock.Eval()
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s1.evalBroker.Enqueue(eval1)
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// Create a worker
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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// Attempt dequeue
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eval, token, _, _ := w.dequeueEvaluation(10 * time.Millisecond)
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// Check the depth is 0, 1 unacked
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stats := s1.evalBroker.Stats()
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if stats.TotalReady != 0 && stats.TotalUnacked != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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// Send the Nack
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w.sendNack(eval, token)
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// Check the depth is 1, nothing unacked
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stats = s1.evalBroker.Stats()
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if stats.TotalReady != 1 && stats.TotalUnacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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// Attempt dequeue
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eval, token, _, _ = w.dequeueEvaluation(10 * time.Millisecond)
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// Send the Ack
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w.sendAck(eval, token)
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// Check the depth is 0
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stats = s1.evalBroker.Stats()
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if stats.TotalReady != 0 && stats.TotalUnacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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}
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func TestWorker_waitForIndex(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Get the current index
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index := s1.raft.AppliedIndex()
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// Cause an increment
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errCh := make(chan error, 1)
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go func() {
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time.Sleep(10 * time.Millisecond)
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n := mock.Node()
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errCh <- s1.fsm.state.UpsertNode(structs.MsgTypeTestSetup, index+1, n)
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}()
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// Wait for a future index
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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snap, err := w.snapshotMinIndex(index+1, time.Second)
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require.NoError(t, err)
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require.NotNil(t, snap)
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// No error from upserting
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require.NoError(t, <-errCh)
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// Cause a timeout
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waitIndex := index + 100
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timeout := 10 * time.Millisecond
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snap, err = w.snapshotMinIndex(index+100, timeout)
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require.Nil(t, snap)
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require.EqualError(t, err,
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fmt.Sprintf("timed out after %s waiting for index=%d", timeout, waitIndex))
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}
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func TestWorker_invokeScheduler(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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eval := mock.Eval()
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eval.Type = "noop"
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snap, err := s1.fsm.state.Snapshot()
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require.NoError(t, err)
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err = w.invokeScheduler(snap, eval, uuid.Generate())
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require.NoError(t, err)
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}
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func TestWorker_SubmitPlan(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Register node
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node := mock.Node()
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testRegisterNode(t, s1, node)
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job := mock.Job()
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eval1 := mock.Eval()
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eval1.JobID = job.ID
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s1.fsm.State().UpsertJob(structs.MsgTypeTestSetup, 1000, job)
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s1.fsm.State().UpsertEvals(structs.MsgTypeTestSetup, 1000, []*structs.Evaluation{eval1})
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// Create the register request
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s1.evalBroker.Enqueue(eval1)
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evalOut, token, err := s1.evalBroker.Dequeue([]string{eval1.Type}, time.Second)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if evalOut != eval1 {
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t.Fatalf("Bad eval")
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}
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// Create an allocation plan
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alloc := mock.Alloc()
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plan := &structs.Plan{
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Job: job,
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EvalID: eval1.ID,
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NodeAllocation: map[string][]*structs.Allocation{
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node.ID: {alloc},
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},
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}
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// Attempt to submit a plan
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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w.evalToken = token
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result, state, err := w.SubmitPlan(plan)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Should have no update
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if state != nil {
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t.Fatalf("unexpected state update")
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}
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// Result should have allocated
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if result == nil {
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t.Fatalf("missing result")
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}
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if result.AllocIndex == 0 {
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t.Fatalf("Bad: %#v", result)
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}
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if len(result.NodeAllocation) != 1 {
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t.Fatalf("Bad: %#v", result)
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}
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}
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func TestWorker_SubmitPlanNormalizedAllocations(t *testing.T) {
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ci.Parallel(t)
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s1, cleanupS1 := TestServer(t, func(c *Config) {
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c.NumSchedulers = 0
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c.EnabledSchedulers = []string{structs.JobTypeService}
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c.Build = "1.4.0"
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})
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defer cleanupS1()
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testutil.WaitForLeader(t, s1.RPC)
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// Register node
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node := mock.Node()
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testRegisterNode(t, s1, node)
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job := mock.Job()
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eval1 := mock.Eval()
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eval1.JobID = job.ID
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s1.fsm.State().UpsertJob(structs.MsgTypeTestSetup, 0, job)
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s1.fsm.State().UpsertEvals(structs.MsgTypeTestSetup, 0, []*structs.Evaluation{eval1})
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stoppedAlloc := mock.Alloc()
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preemptedAlloc := mock.Alloc()
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s1.fsm.State().UpsertAllocs(structs.MsgTypeTestSetup, 5, []*structs.Allocation{stoppedAlloc, preemptedAlloc})
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// Create an allocation plan
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plan := &structs.Plan{
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Job: job,
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EvalID: eval1.ID,
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NodeUpdate: make(map[string][]*structs.Allocation),
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NodePreemptions: make(map[string][]*structs.Allocation),
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}
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desiredDescription := "desired desc"
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plan.AppendStoppedAlloc(stoppedAlloc, desiredDescription, structs.AllocClientStatusLost, "")
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preemptingAllocID := uuid.Generate()
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plan.AppendPreemptedAlloc(preemptedAlloc, preemptingAllocID)
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// Attempt to submit a plan
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poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
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w := newWorker(s1.shutdownCtx, s1, poolArgs)
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w.SubmitPlan(plan)
|
|
|
|
assert.Equal(t, &structs.Allocation{
|
|
ID: preemptedAlloc.ID,
|
|
PreemptedByAllocation: preemptingAllocID,
|
|
}, plan.NodePreemptions[preemptedAlloc.NodeID][0])
|
|
assert.Equal(t, &structs.Allocation{
|
|
ID: stoppedAlloc.ID,
|
|
DesiredDescription: desiredDescription,
|
|
ClientStatus: structs.AllocClientStatusLost,
|
|
}, plan.NodeUpdate[stoppedAlloc.NodeID][0])
|
|
}
|
|
|
|
func TestWorker_SubmitPlan_MissingNodeRefresh(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
s1, cleanupS1 := TestServer(t, func(c *Config) {
|
|
c.NumSchedulers = 0
|
|
c.EnabledSchedulers = []string{structs.JobTypeService}
|
|
})
|
|
defer cleanupS1()
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
|
|
// Register node
|
|
node := mock.Node()
|
|
testRegisterNode(t, s1, node)
|
|
|
|
// Create the job
|
|
job := mock.Job()
|
|
s1.fsm.State().UpsertJob(structs.MsgTypeTestSetup, 1000, job)
|
|
|
|
// Create the register request
|
|
eval1 := mock.Eval()
|
|
eval1.JobID = job.ID
|
|
s1.evalBroker.Enqueue(eval1)
|
|
|
|
evalOut, token, err := s1.evalBroker.Dequeue([]string{eval1.Type}, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if evalOut != eval1 {
|
|
t.Fatalf("Bad eval")
|
|
}
|
|
|
|
// Create an allocation plan, with unregistered node
|
|
node2 := mock.Node()
|
|
alloc := mock.Alloc()
|
|
plan := &structs.Plan{
|
|
Job: job,
|
|
EvalID: eval1.ID,
|
|
NodeAllocation: map[string][]*structs.Allocation{
|
|
node2.ID: {alloc},
|
|
},
|
|
}
|
|
|
|
// Attempt to submit a plan
|
|
poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
|
|
w := newWorker(s1.shutdownCtx, s1, poolArgs)
|
|
w.evalToken = token
|
|
|
|
result, state, err := w.SubmitPlan(plan)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Result should have allocated
|
|
if result == nil {
|
|
t.Fatalf("missing result")
|
|
}
|
|
|
|
// Expect no allocation and forced refresh
|
|
if result.AllocIndex != 0 {
|
|
t.Fatalf("Bad: %#v", result)
|
|
}
|
|
if result.RefreshIndex == 0 {
|
|
t.Fatalf("Bad: %#v", result)
|
|
}
|
|
if len(result.NodeAllocation) != 0 {
|
|
t.Fatalf("Bad: %#v", result)
|
|
}
|
|
|
|
// Should have an update
|
|
if state == nil {
|
|
t.Fatalf("expected state update")
|
|
}
|
|
}
|
|
|
|
func TestWorker_UpdateEval(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
s1, cleanupS1 := TestServer(t, func(c *Config) {
|
|
c.NumSchedulers = 0
|
|
c.EnabledSchedulers = []string{structs.JobTypeService}
|
|
})
|
|
defer cleanupS1()
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
|
|
// Register node
|
|
node := mock.Node()
|
|
testRegisterNode(t, s1, node)
|
|
|
|
// Create the register request
|
|
eval1 := mock.Eval()
|
|
s1.evalBroker.Enqueue(eval1)
|
|
evalOut, token, err := s1.evalBroker.Dequeue([]string{eval1.Type}, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if evalOut != eval1 {
|
|
t.Fatalf("Bad eval")
|
|
}
|
|
|
|
eval2 := evalOut.Copy()
|
|
eval2.Status = structs.EvalStatusComplete
|
|
|
|
// Attempt to update eval
|
|
poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
|
|
w := newWorker(s1.shutdownCtx, s1, poolArgs)
|
|
w.evalToken = token
|
|
|
|
err = w.UpdateEval(eval2)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
ws := memdb.NewWatchSet()
|
|
out, err := s1.fsm.State().EvalByID(ws, eval2.ID)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out.Status != structs.EvalStatusComplete {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
if out.SnapshotIndex != w.snapshotIndex {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
}
|
|
|
|
func TestWorker_CreateEval(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
s1, cleanupS1 := TestServer(t, func(c *Config) {
|
|
c.NumSchedulers = 0
|
|
c.EnabledSchedulers = []string{structs.JobTypeService}
|
|
})
|
|
defer cleanupS1()
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
|
|
// Register node
|
|
node := mock.Node()
|
|
testRegisterNode(t, s1, node)
|
|
|
|
// Create the register request
|
|
eval1 := mock.Eval()
|
|
s1.evalBroker.Enqueue(eval1)
|
|
|
|
evalOut, token, err := s1.evalBroker.Dequeue([]string{eval1.Type}, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if evalOut != eval1 {
|
|
t.Fatalf("Bad eval")
|
|
}
|
|
|
|
eval2 := mock.Eval()
|
|
eval2.PreviousEval = eval1.ID
|
|
|
|
// Attempt to create eval
|
|
poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
|
|
w := newWorker(s1.shutdownCtx, s1, poolArgs)
|
|
w.evalToken = token
|
|
|
|
err = w.CreateEval(eval2)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
ws := memdb.NewWatchSet()
|
|
out, err := s1.fsm.State().EvalByID(ws, eval2.ID)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out.PreviousEval != eval1.ID {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
if out.SnapshotIndex != w.snapshotIndex {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
}
|
|
|
|
func TestWorker_ReblockEval(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
s1, cleanupS1 := TestServer(t, func(c *Config) {
|
|
c.NumSchedulers = 0
|
|
c.EnabledSchedulers = []string{structs.JobTypeService}
|
|
})
|
|
defer cleanupS1()
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
|
|
// Create the blocked eval
|
|
eval1 := mock.Eval()
|
|
eval1.Status = structs.EvalStatusBlocked
|
|
eval1.QueuedAllocations = map[string]int{"cache": 100}
|
|
|
|
// Insert it into the state store
|
|
if err := s1.fsm.State().UpsertEvals(structs.MsgTypeTestSetup, 1000, []*structs.Evaluation{eval1}); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Create the job summary
|
|
js := mock.JobSummary(eval1.JobID)
|
|
tg := js.Summary["web"]
|
|
tg.Queued = 100
|
|
js.Summary["web"] = tg
|
|
if err := s1.fsm.State().UpsertJobSummary(1001, js); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Enqueue the eval and then dequeue
|
|
s1.evalBroker.Enqueue(eval1)
|
|
evalOut, token, err := s1.evalBroker.Dequeue([]string{eval1.Type}, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if evalOut != eval1 {
|
|
t.Fatalf("Bad eval")
|
|
}
|
|
|
|
eval2 := evalOut.Copy()
|
|
eval2.QueuedAllocations = map[string]int{"web": 50}
|
|
|
|
// Attempt to reblock eval
|
|
poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
|
|
w := newWorker(s1.shutdownCtx, s1, poolArgs)
|
|
w.evalToken = token
|
|
|
|
err = w.ReblockEval(eval2)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Ack the eval
|
|
w.sendAck(evalOut, token)
|
|
|
|
// Check that it is blocked
|
|
bStats := s1.blockedEvals.Stats()
|
|
if bStats.TotalBlocked+bStats.TotalEscaped != 1 {
|
|
t.Fatalf("ReblockEval didn't insert eval into the blocked eval tracker: %#v", bStats)
|
|
}
|
|
|
|
// Check that the eval was updated
|
|
ws := memdb.NewWatchSet()
|
|
eval, err := s1.fsm.State().EvalByID(ws, eval2.ID)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !reflect.DeepEqual(eval.QueuedAllocations, eval2.QueuedAllocations) {
|
|
t.Fatalf("expected: %#v, actual: %#v", eval2.QueuedAllocations, eval.QueuedAllocations)
|
|
}
|
|
|
|
// Check that the snapshot index was set properly by unblocking the eval and
|
|
// then dequeuing.
|
|
s1.blockedEvals.Unblock("foobar", 1000)
|
|
|
|
reblockedEval, _, err := s1.evalBroker.Dequeue([]string{eval1.Type}, 1*time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if reblockedEval == nil {
|
|
t.Fatalf("Nil eval")
|
|
}
|
|
if reblockedEval.ID != eval1.ID {
|
|
t.Fatalf("Bad eval")
|
|
}
|
|
|
|
// Check that the SnapshotIndex is set
|
|
if reblockedEval.SnapshotIndex != w.snapshotIndex {
|
|
t.Fatalf("incorrect snapshot index; got %d; want %d",
|
|
reblockedEval.SnapshotIndex, w.snapshotIndex)
|
|
}
|
|
}
|
|
|
|
func TestWorker_Info(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
s1, cleanupS1 := TestServer(t, func(c *Config) {
|
|
c.NumSchedulers = 0
|
|
c.EnabledSchedulers = []string{structs.JobTypeService}
|
|
})
|
|
defer cleanupS1()
|
|
testutil.WaitForLeader(t, s1.RPC)
|
|
|
|
poolArgs := getSchedulerWorkerPoolArgsFromConfigLocked(s1.config).Copy()
|
|
|
|
// Create a worker
|
|
w := newWorker(s1.shutdownCtx, s1, poolArgs)
|
|
|
|
require.Equal(t, WorkerStarting, w.GetStatus())
|
|
workerInfo := w.Info()
|
|
require.Equal(t, WorkerStarting.String(), workerInfo.Status)
|
|
}
|
|
|
|
const (
|
|
longWait = 100 * time.Millisecond
|
|
tinyWait = 10 * time.Millisecond
|
|
)
|
|
|
|
func TestWorker_SetPause(t *testing.T) {
|
|
ci.Parallel(t)
|
|
logger := testlog.HCLogger(t)
|
|
srv := &Server{
|
|
logger: logger,
|
|
shutdownCtx: context.Background(),
|
|
}
|
|
args := SchedulerWorkerPoolArgs{
|
|
EnabledSchedulers: []string{structs.JobTypeCore, structs.JobTypeBatch, structs.JobTypeSystem},
|
|
}
|
|
w := newWorker(context.Background(), srv, args)
|
|
w._start(testWorkload)
|
|
require.Eventually(t, w.IsStarted, longWait, tinyWait, "should have started")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Pause()
|
|
}()
|
|
require.Eventually(t, w.IsPaused, longWait, tinyWait, "should have paused")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Pause()
|
|
}()
|
|
require.Eventually(t, w.IsPaused, longWait, tinyWait, "pausing a paused should be okay")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Resume()
|
|
}()
|
|
require.Eventually(t, w.IsStarted, longWait, tinyWait, "should have restarted from pause")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Stop()
|
|
}()
|
|
require.Eventually(t, w.IsStopped, longWait, tinyWait, "should have shutdown")
|
|
}
|
|
|
|
func TestWorker_SetPause_OutOfOrderEvents(t *testing.T) {
|
|
ci.Parallel(t)
|
|
logger := testlog.HCLogger(t)
|
|
srv := &Server{
|
|
logger: logger,
|
|
shutdownCtx: context.Background(),
|
|
}
|
|
args := SchedulerWorkerPoolArgs{
|
|
EnabledSchedulers: []string{structs.JobTypeCore, structs.JobTypeBatch, structs.JobTypeSystem},
|
|
}
|
|
w := newWorker(context.Background(), srv, args)
|
|
w._start(testWorkload)
|
|
require.Eventually(t, w.IsStarted, longWait, tinyWait, "should have started")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Pause()
|
|
}()
|
|
require.Eventually(t, w.IsPaused, longWait, tinyWait, "should have paused")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Stop()
|
|
}()
|
|
require.Eventually(t, w.IsStopped, longWait, tinyWait, "stop from pause should have shutdown")
|
|
|
|
go func() {
|
|
time.Sleep(tinyWait)
|
|
w.Pause()
|
|
}()
|
|
require.Eventually(t, w.IsStopped, longWait, tinyWait, "pausing a stopped should stay stopped")
|
|
|
|
}
|
|
|
|
// _start is a test helper function used to start a worker with an alternate workload
|
|
func (w *Worker) _start(inFunc func(w *Worker)) {
|
|
w.setStatus(WorkerStarting)
|
|
go inFunc(w)
|
|
}
|
|
|
|
// testWorkload is a very simple function that performs the same status updating behaviors that the
|
|
// real workload does.
|
|
func testWorkload(w *Worker) {
|
|
defer w.markStopped()
|
|
w.setStatuses(WorkerStarted, WorkloadRunning)
|
|
w.logger.Debug("testWorkload running")
|
|
for {
|
|
// ensure state variables are happy after resuming.
|
|
w.maybeWait()
|
|
if w.workerShuttingDown() {
|
|
w.logger.Debug("testWorkload stopped")
|
|
return
|
|
}
|
|
// do some fake work
|
|
time.Sleep(10 * time.Millisecond)
|
|
}
|
|
}
|