services/keep-balance/integration_test.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package keepbalance
   6
   7 import (
   8         "bytes"
   9         "io"
  10         "os"
  11         "strings"
  12         "testing"
  13         "time"
  14
  15         "git.arvados.org/arvados.git/lib/config"
  16         "git.arvados.org/arvados.git/sdk/go/arvados"
  17         "git.arvados.org/arvados.git/sdk/go/arvadosclient"
  18         "git.arvados.org/arvados.git/sdk/go/arvadostest"
  19         "git.arvados.org/arvados.git/sdk/go/ctxlog"
  20         "git.arvados.org/arvados.git/sdk/go/keepclient"
  21         "github.com/jmoiron/sqlx"
  22         "github.com/prometheus/client_golang/prometheus"
  23         "github.com/sirupsen/logrus"
  24         check "gopkg.in/check.v1"
  25 )
  26
  27 var _ = check.Suite(&integrationSuite{})
  28
  29 type integrationSuite struct {
  30         config     *arvados.Cluster
  31         db         *sqlx.DB
  32         client     *arvados.Client
  33         keepClient *keepclient.KeepClient
  34 }
  35
  36 func (s *integrationSuite) SetUpSuite(c *check.C) {
  37         if testing.Short() {
  38                 c.Skip("-short")
  39         }
  40         arvadostest.ResetEnv()
  41         arvadostest.StartKeep(4, true)
  42
  43         arv, err := arvadosclient.MakeArvadosClient()
  44         arv.ApiToken = arvadostest.SystemRootToken
  45         c.Assert(err, check.IsNil)
  46
  47         s.keepClient, err = keepclient.MakeKeepClient(arv)
  48         c.Assert(err, check.IsNil)
  49         s.putReplicas(c, "foo", 4)
  50         s.putReplicas(c, "bar", 1)
  51 }
  52
  53 func (s *integrationSuite) putReplicas(c *check.C, data string, replicas int) {
  54         s.keepClient.Want_replicas = replicas
  55         _, _, err := s.keepClient.PutB([]byte(data))
  56         c.Assert(err, check.IsNil)
  57 }
  58
  59 func (s *integrationSuite) TearDownSuite(c *check.C) {
  60         if testing.Short() {
  61                 c.Skip("-short")
  62         }
  63         arvadostest.StopKeep(4)
  64 }
  65
  66 func (s *integrationSuite) SetUpTest(c *check.C) {
  67         cfg, err := config.NewLoader(nil, ctxlog.TestLogger(c)).Load()
  68         c.Assert(err, check.Equals, nil)
  69         s.config, err = cfg.GetCluster("")
  70         c.Assert(err, check.Equals, nil)
  71         s.db, err = sqlx.Open("postgres", s.config.PostgreSQL.Connection.String())
  72         c.Assert(err, check.IsNil)
  73         s.config.Collections.BalancePeriod = arvados.Duration(time.Second)
  74
  75         s.client = &arvados.Client{
  76                 APIHost:   os.Getenv("ARVADOS_API_HOST"),
  77                 AuthToken: arvadostest.SystemRootToken,
  78                 Insecure:  true,
  79         }
  80 }
  81
  82 func (s *integrationSuite) TestBalanceAPIFixtures(c *check.C) {
  83         var logBuf bytes.Buffer
  84         for iter := 0; iter < 20; iter++ {
  85                 logBuf.Reset()
  86                 logger := logrus.New()
  87                 logger.Out = io.MultiWriter(&logBuf, os.Stderr)
  88                 opts := RunOptions{
  89                         CommitPulls:           true,
  90                         CommitTrash:           true,
  91                         CommitConfirmedFields: true,
  92                         Logger:                logger,
  93                 }
  94
  95                 bal := &Balancer{
  96                         DB:      s.db,
  97                         Logger:  logger,
  98                         Metrics: newMetrics(prometheus.NewRegistry()),
  99                 }
 100                 nextOpts, err := bal.Run(s.client, s.config, opts)
 101                 c.Check(err, check.IsNil)
 102                 c.Check(nextOpts.SafeRendezvousState, check.Not(check.Equals), "")
 103                 c.Check(nextOpts.CommitPulls, check.Equals, true)
 104                 if iter == 0 {
 105                         c.Check(logBuf.String(), check.Matches, `(?ms).*ChangeSet{Pulls:1.*`)
 106                         c.Check(logBuf.String(), check.Not(check.Matches), `(?ms).*ChangeSet{.*Trashes:[^0]}*`)
 107                 } else if strings.Contains(logBuf.String(), "ChangeSet{Pulls:0") {
 108                         break
 109                 }
 110                 time.Sleep(200 * time.Millisecond)
 111         }
 112         c.Check(logBuf.String(), check.Not(check.Matches), `(?ms).*0 replicas (0 blocks, 0 bytes) underreplicated.*`)
 113
 114         for _, trial := range []struct {
 115                 uuid    string
 116                 repl    int
 117                 classes []string
 118         }{
 119                 {arvadostest.EmptyCollectionUUID, 0, []string{}},
 120                 {arvadostest.FooCollection, 2, []string{"default"}},                                // "foo" blk
 121                 {arvadostest.StorageClassesDesiredDefaultConfirmedDefault, 2, []string{"default"}}, // "bar" blk
 122                 {arvadostest.StorageClassesDesiredArchiveConfirmedDefault, 0, []string{}},          // "bar" blk
 123         } {
 124                 c.Logf("%#v", trial)
 125                 var coll arvados.Collection
 126                 s.client.RequestAndDecode(&coll, "GET", "arvados/v1/collections/"+trial.uuid, nil, nil)
 127                 if c.Check(coll.ReplicationConfirmed, check.NotNil) {
 128                         c.Check(*coll.ReplicationConfirmed, check.Equals, trial.repl)
 129                 }
 130                 c.Check(coll.StorageClassesConfirmed, check.DeepEquals, trial.classes)
 131         }
 132 }