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         "sync"
  10         "testing"
  11         "time"
  12
  13         "git.curoverse.com/arvados.git/sdk/go/arvados"
  14         "git.curoverse.com/arvados.git/sdk/go/arvadostest"
  15         check "gopkg.in/check.v1"
  16 )
  17
  18 // Gocheck boilerplate
  19 func Test(t *testing.T) {
  20         check.TestingT(t)
  21 }
  22
  23 var _ = check.Suite(&IntegrationSuite{})
  24
  25 type IntegrationSuite struct{}
  26
  27 func (suite *IntegrationSuite) TearDownTest(c *check.C) {
  28         err := arvados.NewClientFromEnv().RequestAndDecode(nil, "POST", "database/reset", nil, nil)
  29         c.Check(err, check.IsNil)
  30 }
  31
  32 func (suite *IntegrationSuite) TestGetLockUnlockCancel(c *check.C) {
  33         typeChooser := func(ctr *arvados.Container) (arvados.InstanceType, error) {
  34                 return arvados.InstanceType{Name: "testType"}, nil
  35         }
  36
  37         client := arvados.NewClientFromEnv()
  38         cq := NewQueue(test.Logger(), nil, typeChooser, client)
  39
  40         err := cq.Update()
  41         c.Check(err, check.IsNil)
  42
  43         ents, threshold := cq.Entries()
  44         c.Check(len(ents), check.Not(check.Equals), 0)
  45         c.Check(time.Since(threshold) < time.Minute, check.Equals, true)
  46         c.Check(time.Since(threshold) > 0, check.Equals, true)
  47
  48         _, ok := ents[arvadostest.QueuedContainerUUID]
  49         c.Check(ok, check.Equals, true)
  50
  51         var wg sync.WaitGroup
  52         for uuid, ent := range ents {
  53                 c.Check(ent.Container.UUID, check.Equals, uuid)
  54                 c.Check(ent.InstanceType.Name, check.Equals, "testType")
  55                 c.Check(ent.Container.State, check.Equals, arvados.ContainerStateQueued)
  56                 c.Check(ent.Container.Priority > 0, check.Equals, true)
  57
  58                 ctr, ok := cq.Get(uuid)
  59                 c.Check(ok, check.Equals, true)
  60                 c.Check(ctr.UUID, check.Equals, uuid)
  61
  62                 wg.Add(1)
  63                 go func() {
  64                         defer wg.Done()
  65                         err := cq.Unlock(uuid)
  66                         c.Check(err, check.NotNil)
  67                         err = cq.Lock(uuid)
  68                         c.Check(err, check.IsNil)
  69                         ctr, ok := cq.Get(uuid)
  70                         c.Check(ok, check.Equals, true)
  71                         c.Check(ctr.State, check.Equals, arvados.ContainerStateLocked)
  72                         err = cq.Lock(uuid)
  73                         c.Check(err, check.NotNil)
  74                         err = cq.Unlock(uuid)
  75                         c.Check(err, check.IsNil)
  76                         ctr, ok = cq.Get(uuid)
  77                         c.Check(ok, check.Equals, true)
  78                         c.Check(ctr.State, check.Equals, arvados.ContainerStateQueued)
  79                         err = cq.Unlock(uuid)
  80                         c.Check(err, check.NotNil)
  81                 }()
  82         }
  83         wg.Wait()
  84
  85         err = cq.Cancel(arvadostest.CompletedContainerUUID)
  86         c.Check(err, check.ErrorMatches, `.*State cannot change from Complete to Cancelled.*`)
  87 }
  88
  89 func (suite *IntegrationSuite) TestCancelIfNoInstanceType(c *check.C) {
  90         errorTypeChooser := func(ctr *arvados.Container) (arvados.InstanceType, error) {
  91                 return arvados.InstanceType{}, errors.New("no suitable instance type")
  92         }
  93
  94         client := arvados.NewClientFromEnv()
  95         cq := NewQueue(test.Logger(), nil, errorTypeChooser, client)
  96
  97         var ctr arvados.Container
  98         err := client.RequestAndDecode(&ctr, "GET", "arvados/v1/containers/"+arvadostest.QueuedContainerUUID, nil, nil)
  99         c.Check(err, check.IsNil)
 100         c.Check(ctr.State, check.Equals, arvados.ContainerStateQueued)
 101
 102         cq.Update()
 103
 104         // Wait for the cancel operation to take effect. Container
 105         // will have state=Cancelled or just disappear from the queue.
 106         suite.waitfor(c, time.Second, func() bool {
 107                 err := client.RequestAndDecode(&ctr, "GET", "arvados/v1/containers/"+arvadostest.QueuedContainerUUID, nil, nil)
 108                 return err == nil && ctr.State == arvados.ContainerStateCancelled
 109         })
 110         c.Check(ctr.RuntimeStatus["error"], check.Equals, `no suitable instance type`)
 111 }
 112
 113 func (suite *IntegrationSuite) waitfor(c *check.C, timeout time.Duration, fn func() bool) {
 114         defer func() {
 115                 c.Check(fn(), check.Equals, true)
 116         }()
 117         deadline := time.Now().Add(timeout)
 118         for !fn() && time.Now().Before(deadline) {
 119                 time.Sleep(timeout / 1000)
 120         }
 121 }