lib/dispatchcloud/container/queue_test.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package container
   6
   7 import (
   8         "errors"
   9         "os"
  10         "sync"
  11         "testing"
  12         "time"
  13
  14         "git.arvados.org/arvados.git/sdk/go/arvados"
  15         "git.arvados.org/arvados.git/sdk/go/arvadostest"
  16         "github.com/sirupsen/logrus"
  17         check "gopkg.in/check.v1"
  18 )
  19
  20 // Gocheck boilerplate
  21 func Test(t *testing.T) {
  22         check.TestingT(t)
  23 }
  24
  25 var _ = check.Suite(&IntegrationSuite{})
  26
  27 func logger() logrus.FieldLogger {
  28         logger := logrus.StandardLogger()
  29         if os.Getenv("ARVADOS_DEBUG") != "" {
  30                 logger.SetLevel(logrus.DebugLevel)
  31         }
  32         return logger
  33 }
  34
  35 type IntegrationSuite struct{}
  36
  37 func (suite *IntegrationSuite) TearDownTest(c *check.C) {
  38         err := arvados.NewClientFromEnv().RequestAndDecode(nil, "POST", "database/reset", nil, nil)
  39         c.Check(err, check.IsNil)
  40 }
  41
  42 func (suite *IntegrationSuite) TestGetLockUnlockCancel(c *check.C) {
  43         typeChooser := func(ctr *arvados.Container) (arvados.InstanceType, error) {
  44                 return arvados.InstanceType{Name: "testType"}, nil
  45         }
  46
  47         client := arvados.NewClientFromEnv()
  48         cq := NewQueue(logger(), nil, typeChooser, client)
  49
  50         err := cq.Update()
  51         c.Check(err, check.IsNil)
  52
  53         ents, threshold := cq.Entries()
  54         c.Check(len(ents), check.Not(check.Equals), 0)
  55         c.Check(time.Since(threshold) < time.Minute, check.Equals, true)
  56         c.Check(time.Since(threshold) > 0, check.Equals, true)
  57
  58         _, ok := ents[arvadostest.QueuedContainerUUID]
  59         c.Check(ok, check.Equals, true)
  60
  61         var wg sync.WaitGroup
  62         for uuid, ent := range ents {
  63                 c.Check(ent.Container.UUID, check.Equals, uuid)
  64                 c.Check(ent.InstanceType.Name, check.Equals, "testType")
  65                 c.Check(ent.Container.State, check.Equals, arvados.ContainerStateQueued)
  66                 c.Check(ent.Container.Priority > 0, check.Equals, true)
  67
  68                 ctr, ok := cq.Get(uuid)
  69                 c.Check(ok, check.Equals, true)
  70                 c.Check(ctr.UUID, check.Equals, uuid)
  71
  72                 wg.Add(1)
  73                 go func(uuid string) {
  74                         defer wg.Done()
  75                         err := cq.Unlock(uuid)
  76                         c.Check(err, check.NotNil)
  77                         c.Check(err, check.ErrorMatches, ".*cannot unlock when Queued.*")
  78
  79                         err = cq.Lock(uuid)
  80                         c.Check(err, check.IsNil)
  81                         ctr, ok := cq.Get(uuid)
  82                         c.Check(ok, check.Equals, true)
  83                         c.Check(ctr.State, check.Equals, arvados.ContainerStateLocked)
  84                         err = cq.Lock(uuid)
  85                         c.Check(err, check.NotNil)
  86
  87                         err = cq.Unlock(uuid)
  88                         c.Check(err, check.IsNil)
  89                         ctr, ok = cq.Get(uuid)
  90                         c.Check(ok, check.Equals, true)
  91                         c.Check(ctr.State, check.Equals, arvados.ContainerStateQueued)
  92                         err = cq.Unlock(uuid)
  93                         c.Check(err, check.NotNil)
  94
  95                         err = cq.Cancel(uuid)
  96                         c.Check(err, check.IsNil)
  97                         ctr, ok = cq.Get(uuid)
  98                         c.Check(ok, check.Equals, true)
  99                         c.Check(ctr.State, check.Equals, arvados.ContainerStateCancelled)
 100                         err = cq.Lock(uuid)
 101                         c.Check(err, check.NotNil)
 102                 }(uuid)
 103         }
 104         wg.Wait()
 105 }
 106
 107 func (suite *IntegrationSuite) TestCancelIfNoInstanceType(c *check.C) {
 108         errorTypeChooser := func(ctr *arvados.Container) (arvados.InstanceType, error) {
 109                 return arvados.InstanceType{}, errors.New("no suitable instance type")
 110         }
 111
 112         client := arvados.NewClientFromEnv()
 113         cq := NewQueue(logger(), nil, errorTypeChooser, client)
 114
 115         ch := cq.Subscribe()
 116         go func() {
 117                 defer cq.Unsubscribe(ch)
 118                 for range ch {
 119                         // Container should never be added to
 120                         // queue. Note that polling the queue this way
 121                         // doesn't guarantee a bug (container being
 122                         // incorrectly added to the queue) will cause
 123                         // a test failure.
 124                         _, ok := cq.Get(arvadostest.QueuedContainerUUID)
 125                         if !c.Check(ok, check.Equals, false) {
 126                                 // Don't spam the log with more failures
 127                                 break
 128                         }
 129                 }
 130         }()
 131
 132         var ctr arvados.Container
 133         err := client.RequestAndDecode(&ctr, "GET", "arvados/v1/containers/"+arvadostest.QueuedContainerUUID, nil, nil)
 134         c.Check(err, check.IsNil)
 135         c.Check(ctr.State, check.Equals, arvados.ContainerStateQueued)
 136
 137         go cq.Update()
 138
 139         // Wait for the cancel operation to take effect. Container
 140         // will have state=Cancelled or just disappear from the queue.
 141         suite.waitfor(c, time.Second, func() bool {
 142                 err := client.RequestAndDecode(&ctr, "GET", "arvados/v1/containers/"+arvadostest.QueuedContainerUUID, nil, nil)
 143                 return err == nil && ctr.State == arvados.ContainerStateCancelled
 144         })
 145         c.Check(ctr.RuntimeStatus["error"], check.Equals, `no suitable instance type`)
 146 }
 147
 148 func (suite *IntegrationSuite) waitfor(c *check.C, timeout time.Duration, fn func() bool) {
 149         defer func() {
 150                 c.Check(fn(), check.Equals, true)
 151         }()
 152         deadline := time.Now().Add(timeout)
 153         for !fn() && time.Now().Before(deadline) {
 154                 time.Sleep(timeout / 1000)
 155         }
 156 }