1184 lines
24 KiB
Go
1184 lines
24 KiB
Go
package nomad
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import (
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"fmt"
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"testing"
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"time"
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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/testutil"
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)
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var (
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defaultSched = []string{
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structs.JobTypeService,
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structs.JobTypeBatch,
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}
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)
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func testBrokerConfig() *Config {
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config := DefaultConfig()
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// Tune the Nack timeout
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config.EvalNackTimeout = 5 * time.Second
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// Tune the Nack delay
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config.EvalNackInitialReenqueueDelay = 5 * time.Millisecond
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config.EvalNackSubsequentReenqueueDelay = 50 * time.Millisecond
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return config
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}
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func testBroker(t *testing.T, timeout time.Duration) *EvalBroker {
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config := testBrokerConfig()
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if timeout != 0 {
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config.EvalNackTimeout = timeout
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}
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return testBrokerFromConfig(t, config)
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}
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func testBrokerFromConfig(t *testing.T, c *Config) *EvalBroker {
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b, err := NewEvalBroker(c.EvalNackTimeout, c.EvalNackInitialReenqueueDelay, c.EvalNackSubsequentReenqueueDelay, 3)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return b
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}
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func TestEvalBroker_Enqueue_Dequeue_Nack_Ack(t *testing.T) {
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b := testBroker(t, 0)
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// Enqueue, but broker is disabled!
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eval := mock.Eval()
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b.Enqueue(eval)
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// Verify nothing was done
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stats := b.Stats()
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if stats.TotalReady != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if b.Enabled() {
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t.Fatalf("should not be enabled")
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}
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// Enable the broker, and enqueue
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b.SetEnabled(true)
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b.Enqueue(eval)
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// Double enqueue is a no-op
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b.Enqueue(eval)
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if !b.Enabled() {
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t.Fatalf("should be enabled")
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}
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// Verify enqueue is done
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stats = b.Stats()
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if stats.TotalReady != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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// Dequeue should work
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out, token, err := b.Dequeue(defaultSched, 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 out != eval {
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t.Fatalf("bad : %#v", out)
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}
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tokenOut, ok := b.Outstanding(out.ID)
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if !ok {
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t.Fatalf("should be outstanding")
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}
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if tokenOut != token {
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t.Fatalf("Bad: %#v %#v", token, tokenOut)
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}
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// OutstandingReset should verify the token
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err = b.OutstandingReset("nope", "foo")
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if err != ErrNotOutstanding {
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t.Fatalf("err: %v", err)
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}
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err = b.OutstandingReset(out.ID, "foo")
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if err != ErrTokenMismatch {
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t.Fatalf("err: %v", err)
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}
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err = b.OutstandingReset(out.ID, tokenOut)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Check the stats
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stats = b.Stats()
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if stats.TotalReady != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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// Nack with wrong token should fail
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err = b.Nack(eval.ID, "foobarbaz")
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if err == nil {
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t.Fatalf("should fail to nack")
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}
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// Nack back into the queue
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err = b.Nack(eval.ID, token)
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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 _, ok := b.Outstanding(out.ID); ok {
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t.Fatalf("should not be outstanding")
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}
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// Check the stats
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testutil.WaitForResult(func() (bool, error) {
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stats = b.Stats()
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if stats.TotalReady != 1 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.TotalWaiting != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 1 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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return true, nil
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}, func(e error) {
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t.Fatal(e)
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})
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// Dequeue should work again
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out2, token2, err := b.Dequeue(defaultSched, 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 out2 != eval {
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t.Fatalf("bad : %#v", out2)
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}
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if token2 == token {
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t.Fatalf("should get a new token")
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}
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tokenOut2, ok := b.Outstanding(out.ID)
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if !ok {
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t.Fatalf("should be outstanding")
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}
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if tokenOut2 != token2 {
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t.Fatalf("Bad: %#v %#v", token2, tokenOut2)
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}
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// Ack with wrong token
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err = b.Ack(eval.ID, "zip")
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if err == nil {
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t.Fatalf("should fail to ack")
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}
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// Ack finally
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err = b.Ack(eval.ID, token2)
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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 _, ok := b.Outstanding(out.ID); ok {
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t.Fatalf("should not be outstanding")
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}
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// Check the stats
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stats = b.Stats()
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if stats.TotalReady != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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}
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func TestEvalBroker_Nack_Delay(t *testing.T) {
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b := testBroker(t, 0)
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// Enqueue, but broker is disabled!
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b.SetEnabled(true)
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eval := mock.Eval()
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b.Enqueue(eval)
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// Dequeue should work
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out, token, err := b.Dequeue(defaultSched, 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 out != eval {
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t.Fatalf("bad : %#v", out)
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}
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// Nack back into the queue
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err = b.Nack(eval.ID, token)
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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 _, ok := b.Outstanding(out.ID); ok {
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t.Fatalf("should not be outstanding")
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}
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// Check the stats to ensure that it is waiting
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stats := b.Stats()
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if stats.TotalReady != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalWaiting != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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// Now wait for it to be re-enqueued
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testutil.WaitForResult(func() (bool, error) {
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stats = b.Stats()
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if stats.TotalReady != 1 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.TotalWaiting != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 1 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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return true, nil
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}, func(e error) {
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t.Fatal(e)
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})
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// Dequeue should work again
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out2, token2, err := b.Dequeue(defaultSched, 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 out2 != eval {
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t.Fatalf("bad : %#v", out2)
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}
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if token2 == token {
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t.Fatalf("should get a new token")
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}
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// Capture the time
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start := time.Now()
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// Nack back into the queue
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err = b.Nack(eval.ID, token2)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Now wait for it to be re-enqueued
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testutil.WaitForResult(func() (bool, error) {
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stats = b.Stats()
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if stats.TotalReady != 1 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.TotalWaiting != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 1 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 0 {
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return false, fmt.Errorf("bad: %#v", stats)
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}
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return true, nil
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}, func(e error) {
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t.Fatal(e)
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})
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delay := time.Now().Sub(start)
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if delay < b.subsequentNackDelay {
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t.Fatalf("bad: delay was %v; want at least %v", delay, b.subsequentNackDelay)
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}
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// Dequeue should work again
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out3, token3, err := b.Dequeue(defaultSched, 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 out3 != eval {
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t.Fatalf("bad : %#v", out3)
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}
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if token3 == token || token3 == token2 {
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t.Fatalf("should get a new token")
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}
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// Ack finally
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err = b.Ack(eval.ID, token3)
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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 _, ok := b.Outstanding(out.ID); ok {
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t.Fatalf("should not be outstanding")
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}
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// Check the stats
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stats = b.Stats()
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if stats.TotalReady != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Ready != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.ByScheduler[eval.Type].Unacked != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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}
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func TestEvalBroker_Serialize_DuplicateJobID(t *testing.T) {
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b := testBroker(t, 0)
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b.SetEnabled(true)
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eval := mock.Eval()
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b.Enqueue(eval)
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eval2 := mock.Eval()
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eval2.JobID = eval.JobID
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eval2.CreateIndex = eval.CreateIndex + 1
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b.Enqueue(eval2)
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eval3 := mock.Eval()
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eval3.JobID = eval.JobID
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eval3.CreateIndex = eval.CreateIndex + 2
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b.Enqueue(eval3)
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stats := b.Stats()
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if stats.TotalReady != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalBlocked != 2 {
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t.Fatalf("bad: %#v", stats)
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}
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|
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// Dequeue should work
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out, token, err := b.Dequeue(defaultSched, 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 out != eval {
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t.Fatalf("bad : %#v", out)
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}
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|
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// Check the stats
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stats = b.Stats()
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if stats.TotalReady != 0 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalBlocked != 2 {
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t.Fatalf("bad: %#v", stats)
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}
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|
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// Ack out
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err = b.Ack(eval.ID, token)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
|
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|
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// Check the stats
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stats = b.Stats()
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if stats.TotalReady != 1 {
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t.Fatalf("bad: %#v", stats)
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}
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if stats.TotalUnacked != 0 {
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t.Fatalf("bad: %#v", stats)
|
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}
|
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if stats.TotalBlocked != 1 {
|
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t.Fatalf("bad: %#v", stats)
|
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}
|
|
|
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// Dequeue should work
|
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out, token, err = b.Dequeue(defaultSched, 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 out != eval2 {
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t.Fatalf("bad : %#v", out)
|
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}
|
|
|
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// Check the stats
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 0 {
|
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t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalBlocked != 1 {
|
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t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Ack out
|
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err = b.Ack(eval2.ID, token)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Check the stats
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalBlocked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Dequeue should work
|
|
out, token, err = b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval3 {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
|
|
// Check the stats
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalBlocked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Ack out
|
|
err = b.Ack(eval3.ID, token)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Check the stats
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalBlocked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_Enqueue_Disable(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
|
|
// Enqueue
|
|
eval := mock.Eval()
|
|
b.SetEnabled(true)
|
|
b.Enqueue(eval)
|
|
|
|
// Flush via SetEnabled
|
|
b.SetEnabled(false)
|
|
|
|
// Check the stats
|
|
stats := b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if _, ok := stats.ByScheduler[eval.Type]; ok {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_Dequeue_Timeout(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
start := time.Now()
|
|
out, _, err := b.Dequeue(defaultSched, 5*time.Millisecond)
|
|
end := time.Now()
|
|
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != nil {
|
|
t.Fatalf("unexpected: %#v", out)
|
|
}
|
|
|
|
if diff := end.Sub(start); diff < 5*time.Millisecond {
|
|
t.Fatalf("bad: %#v", diff)
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_Dequeue_Empty_Timeout(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
doneCh := make(chan struct{}, 1)
|
|
|
|
go func() {
|
|
out, _, err := b.Dequeue(defaultSched, 0)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out == nil {
|
|
t.Fatal("Expect an eval")
|
|
}
|
|
doneCh <- struct{}{}
|
|
}()
|
|
|
|
// Sleep for a little bit
|
|
select {
|
|
case <-time.After(5 * time.Millisecond):
|
|
case <-doneCh:
|
|
t.Fatalf("Dequeue(0) should block")
|
|
}
|
|
|
|
// Enqueue to unblock the dequeue.
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
select {
|
|
case <-doneCh:
|
|
return
|
|
case <-time.After(5 * time.Millisecond):
|
|
t.Fatal("timeout: Dequeue(0) should return after enqueue")
|
|
}
|
|
}
|
|
|
|
// Ensure higher priority dequeued first
|
|
func TestEvalBroker_Dequeue_Priority(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
eval1 := mock.Eval()
|
|
eval1.Priority = 10
|
|
b.Enqueue(eval1)
|
|
|
|
eval2 := mock.Eval()
|
|
eval2.Priority = 30
|
|
b.Enqueue(eval2)
|
|
|
|
eval3 := mock.Eval()
|
|
eval3.Priority = 20
|
|
b.Enqueue(eval3)
|
|
|
|
out1, _, _ := b.Dequeue(defaultSched, time.Second)
|
|
if out1 != eval2 {
|
|
t.Fatalf("bad: %#v", out1)
|
|
}
|
|
|
|
out2, _, _ := b.Dequeue(defaultSched, time.Second)
|
|
if out2 != eval3 {
|
|
t.Fatalf("bad: %#v", out2)
|
|
}
|
|
|
|
out3, _, _ := b.Dequeue(defaultSched, time.Second)
|
|
if out3 != eval1 {
|
|
t.Fatalf("bad: %#v", out3)
|
|
}
|
|
}
|
|
|
|
// Ensure FIFO at fixed priority
|
|
func TestEvalBroker_Dequeue_FIFO(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
NUM := 100
|
|
|
|
for i := 0; i < NUM; i++ {
|
|
eval1 := mock.Eval()
|
|
eval1.CreateIndex = uint64(i)
|
|
eval1.ModifyIndex = uint64(i)
|
|
b.Enqueue(eval1)
|
|
}
|
|
|
|
for i := 0; i < NUM; i++ {
|
|
out1, _, _ := b.Dequeue(defaultSched, time.Second)
|
|
if out1.CreateIndex != uint64(i) {
|
|
t.Fatalf("bad: %d %#v", i, out1)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ensure fairness between schedulers
|
|
func TestEvalBroker_Dequeue_Fairness(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
NUM := 1000
|
|
|
|
for i := 0; i < NUM; i++ {
|
|
eval1 := mock.Eval()
|
|
if i < (NUM / 2) {
|
|
eval1.Type = structs.JobTypeService
|
|
} else {
|
|
eval1.Type = structs.JobTypeBatch
|
|
}
|
|
b.Enqueue(eval1)
|
|
}
|
|
|
|
counter := 0
|
|
for i := 0; i < NUM; i++ {
|
|
out1, _, _ := b.Dequeue(defaultSched, time.Second)
|
|
|
|
switch out1.Type {
|
|
case structs.JobTypeService:
|
|
if counter < 0 {
|
|
counter = 0
|
|
}
|
|
counter += 1
|
|
case structs.JobTypeBatch:
|
|
if counter > 0 {
|
|
counter = 0
|
|
}
|
|
counter -= 1
|
|
}
|
|
|
|
// This will fail randomly at times. It is very hard to
|
|
// test deterministically that its acting randomly.
|
|
if counter >= 250 || counter <= -250 {
|
|
t.Fatalf("unlikely sequence: %d", counter)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ensure we get unblocked
|
|
func TestEvalBroker_Dequeue_Blocked(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
// Start with a blocked dequeue
|
|
outCh := make(chan *structs.Evaluation, 1)
|
|
go func() {
|
|
start := time.Now()
|
|
out, _, err := b.Dequeue(defaultSched, time.Second)
|
|
end := time.Now()
|
|
outCh <- out
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if d := end.Sub(start); d < 5*time.Millisecond {
|
|
t.Fatalf("bad: %v", d)
|
|
}
|
|
}()
|
|
|
|
// Wait for a bit
|
|
time.Sleep(5 * time.Millisecond)
|
|
|
|
// Enqueue
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
// Ensure dequeue
|
|
select {
|
|
case out := <-outCh:
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
// Ensure we nack in a timely manner
|
|
func TestEvalBroker_Nack_Timeout(t *testing.T) {
|
|
b := testBroker(t, 5*time.Millisecond)
|
|
b.SetEnabled(true)
|
|
|
|
// Enqueue
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
// Dequeue
|
|
out, _, err := b.Dequeue(defaultSched, time.Second)
|
|
start := time.Now()
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Dequeue, should block on Nack timer
|
|
out, _, err = b.Dequeue(defaultSched, time.Second)
|
|
end := time.Now()
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Check the nack timer
|
|
if diff := end.Sub(start); diff < 5*time.Millisecond {
|
|
t.Fatalf("bad: %#v", diff)
|
|
}
|
|
}
|
|
|
|
// Ensure we nack in a timely manner
|
|
func TestEvalBroker_Nack_TimeoutReset(t *testing.T) {
|
|
b := testBroker(t, 50*time.Millisecond)
|
|
b.SetEnabled(true)
|
|
|
|
// Enqueue
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
// Dequeue
|
|
out, token, err := b.Dequeue(defaultSched, time.Second)
|
|
start := time.Now()
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Reset in 20 milliseconds
|
|
time.Sleep(20 * time.Millisecond)
|
|
if err := b.OutstandingReset(out.ID, token); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Dequeue, should block on Nack timer
|
|
out, _, err = b.Dequeue(defaultSched, time.Second)
|
|
end := time.Now()
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Check the nack timer
|
|
if diff := end.Sub(start); diff < 75*time.Millisecond {
|
|
t.Fatalf("bad: %#v", diff)
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_PauseResumeNackTimeout(t *testing.T) {
|
|
b := testBroker(t, 50*time.Millisecond)
|
|
b.SetEnabled(true)
|
|
|
|
// Enqueue
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
// Dequeue
|
|
out, token, err := b.Dequeue(defaultSched, time.Second)
|
|
start := time.Now()
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Pause in 20 milliseconds
|
|
time.Sleep(20 * time.Millisecond)
|
|
if err := b.PauseNackTimeout(out.ID, token); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
go func() {
|
|
time.Sleep(20 * time.Millisecond)
|
|
if err := b.ResumeNackTimeout(out.ID, token); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
}()
|
|
|
|
// Dequeue, should block until the timer is resumed
|
|
out, _, err = b.Dequeue(defaultSched, time.Second)
|
|
end := time.Now()
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
|
|
// Check the nack timer
|
|
if diff := end.Sub(start); diff < 95*time.Millisecond {
|
|
t.Fatalf("bad: %#v", diff)
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_DeliveryLimit(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
for i := 0; i < 3; i++ {
|
|
// Dequeue should work
|
|
out, token, err := b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
|
|
// Nack with wrong token should fail
|
|
err = b.Nack(eval.ID, token)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
}
|
|
|
|
// Check the stats
|
|
stats := b.Stats()
|
|
if stats.TotalReady != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.ByScheduler[failedQueue].Ready != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.ByScheduler[failedQueue].Unacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Dequeue from failed queue
|
|
out, token, err := b.Dequeue([]string{failedQueue}, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
|
|
// Check the stats
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.ByScheduler[failedQueue].Ready != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.ByScheduler[failedQueue].Unacked != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Ack finally
|
|
err = b.Ack(out.ID, token)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
if _, ok := b.Outstanding(out.ID); ok {
|
|
t.Fatalf("should not be outstanding")
|
|
}
|
|
|
|
// Check the stats
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.ByScheduler[failedQueue].Ready != 0 {
|
|
t.Fatalf("bad: %#v", stats.ByScheduler[failedQueue])
|
|
}
|
|
if stats.ByScheduler[failedQueue].Unacked != 0 {
|
|
t.Fatalf("bad: %#v", stats.ByScheduler[failedQueue])
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_AckAtDeliveryLimit(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
for i := 0; i < 3; i++ {
|
|
// Dequeue should work
|
|
out, token, err := b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
|
|
if i == 2 {
|
|
b.Ack(eval.ID, token)
|
|
} else {
|
|
// Nack with wrong token should fail
|
|
err = b.Nack(eval.ID, token)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check the stats
|
|
stats := b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if _, ok := stats.ByScheduler[failedQueue]; ok {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
}
|
|
|
|
// Ensure fairness between schedulers
|
|
func TestEvalBroker_Wait(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
// Create an eval that should wait
|
|
eval := mock.Eval()
|
|
eval.Wait = 10 * time.Millisecond
|
|
b.Enqueue(eval)
|
|
|
|
// Verify waiting
|
|
stats := b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalWaiting != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Let the wait elapse
|
|
time.Sleep(20 * time.Millisecond)
|
|
|
|
// Verify ready
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalWaiting != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Dequeue should work
|
|
out, _, err := b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
}
|
|
|
|
// Ensure that priority is taken into account when enqueueing many evaluations.
|
|
func TestEvalBroker_EnqueueAll_Dequeue_Fair(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
// Start with a blocked dequeue
|
|
outCh := make(chan *structs.Evaluation, 1)
|
|
go func() {
|
|
start := time.Now()
|
|
out, _, err := b.Dequeue(defaultSched, time.Second)
|
|
end := time.Now()
|
|
outCh <- out
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if d := end.Sub(start); d < 5*time.Millisecond {
|
|
t.Fatalf("bad: %v", d)
|
|
}
|
|
}()
|
|
|
|
// Wait for a bit
|
|
time.Sleep(5 * time.Millisecond)
|
|
|
|
// Enqueue
|
|
evals := make(map[*structs.Evaluation]string, 8)
|
|
expectedPriority := 90
|
|
for i := 10; i <= expectedPriority; i += 10 {
|
|
eval := mock.Eval()
|
|
eval.Priority = i
|
|
evals[eval] = ""
|
|
|
|
}
|
|
b.EnqueueAll(evals)
|
|
|
|
// Ensure dequeue
|
|
select {
|
|
case out := <-outCh:
|
|
if out.Priority != expectedPriority {
|
|
t.Fatalf("bad: %v", out)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("timeout")
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_EnqueueAll_Requeue_Ack(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
// Create the evaluation, enqueue and dequeue
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
out, token, err := b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
|
|
// Requeue the same evaluation.
|
|
b.EnqueueAll(map[*structs.Evaluation]string{eval: token})
|
|
|
|
// The stats should show one unacked
|
|
stats := b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Ack the evaluation.
|
|
if err := b.Ack(eval.ID, token); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Check stats again as this should cause the re-enqueued one to transition
|
|
// into the ready state
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Another dequeue should be successful
|
|
out2, token2, err := b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out2 != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
if token == token2 {
|
|
t.Fatalf("bad : %s and %s", token, token2)
|
|
}
|
|
}
|
|
|
|
func TestEvalBroker_EnqueueAll_Requeue_Nack(t *testing.T) {
|
|
b := testBroker(t, 0)
|
|
b.SetEnabled(true)
|
|
|
|
// Create the evaluation, enqueue and dequeue
|
|
eval := mock.Eval()
|
|
b.Enqueue(eval)
|
|
|
|
out, token, err := b.Dequeue(defaultSched, time.Second)
|
|
if err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
if out != eval {
|
|
t.Fatalf("bad : %#v", out)
|
|
}
|
|
|
|
// Requeue the same evaluation.
|
|
b.EnqueueAll(map[*structs.Evaluation]string{eval: token})
|
|
|
|
// The stats should show one unacked
|
|
stats := b.Stats()
|
|
if stats.TotalReady != 0 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 1 {
|
|
t.Fatalf("bad: %#v", stats)
|
|
}
|
|
|
|
// Nack the evaluation.
|
|
if err := b.Nack(eval.ID, token); err != nil {
|
|
t.Fatalf("err: %v", err)
|
|
}
|
|
|
|
// Check stats again as this should cause the re-enqueued one to be dropped
|
|
testutil.WaitForResult(func() (bool, error) {
|
|
stats = b.Stats()
|
|
if stats.TotalReady != 1 {
|
|
return false, fmt.Errorf("bad: %#v", stats)
|
|
}
|
|
if stats.TotalUnacked != 0 {
|
|
return false, fmt.Errorf("bad: %#v", stats)
|
|
}
|
|
if len(b.requeue) != 0 {
|
|
return false, fmt.Errorf("bad: %#v", b.requeue)
|
|
}
|
|
|
|
return true, nil
|
|
}, func(e error) {
|
|
t.Fatal(e)
|
|
})
|
|
}
|