Merge branch 'patch-1' of https://github.com/mr-c/arvados into mr-c-patch-1
[arvados.git] / services / keepstore / s3_volume_test.go
index 63b186220c30a562e900722d63d38be50bde05d6..2736f00b743c791502f78886e716b521a0585eb1 100644 (file)
@@ -1,18 +1,28 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
        "bytes"
        "context"
        "crypto/md5"
+       "encoding/json"
        "fmt"
-       "io/ioutil"
-       "log"
+       "io"
+       "net/http"
+       "net/http/httptest"
        "os"
+       "strings"
        "time"
 
-       "git.curoverse.com/arvados.git/sdk/go/arvados"
+       "git.arvados.org/arvados.git/sdk/go/arvados"
+       "git.arvados.org/arvados.git/sdk/go/ctxlog"
        "github.com/AdRoll/goamz/s3"
        "github.com/AdRoll/goamz/s3/s3test"
+       "github.com/prometheus/client_golang/prometheus"
+       "github.com/sirupsen/logrus"
        check "gopkg.in/check.v1"
 )
 
@@ -31,34 +41,43 @@ func (c *fakeClock) Now() time.Time {
        return *c.now
 }
 
-func init() {
-       // Deleting isn't safe from races, but if it's turned on
-       // anyway we do expect it to pass the generic volume tests.
-       s3UnsafeDelete = true
-}
-
 var _ = check.Suite(&StubbedS3Suite{})
 
 type StubbedS3Suite struct {
-       volumes []*TestableS3Volume
+       s3server *httptest.Server
+       metadata *httptest.Server
+       cluster  *arvados.Cluster
+       handler  *handler
+       volumes  []*TestableS3Volume
+}
+
+func (s *StubbedS3Suite) SetUpTest(c *check.C) {
+       s.s3server = nil
+       s.metadata = nil
+       s.cluster = testCluster(c)
+       s.cluster.Volumes = map[string]arvados.Volume{
+               "zzzzz-nyw5e-000000000000000": {Driver: "S3"},
+               "zzzzz-nyw5e-111111111111111": {Driver: "S3"},
+       }
+       s.handler = &handler{}
 }
 
 func (s *StubbedS3Suite) TestGeneric(c *check.C) {
-       DoGenericVolumeTests(c, func(t TB) TestableVolume {
+       DoGenericVolumeTests(c, false, func(t TB, cluster *arvados.Cluster, volume arvados.Volume, logger logrus.FieldLogger, metrics *volumeMetricsVecs) TestableVolume {
                // Use a negative raceWindow so s3test's 1-second
                // timestamp precision doesn't confuse fixRace.
-               return s.newTestableVolume(c, -2*time.Second, false, 2)
+               return s.newTestableVolume(c, cluster, volume, metrics, -2*time.Second)
        })
 }
 
 func (s *StubbedS3Suite) TestGenericReadOnly(c *check.C) {
-       DoGenericVolumeTests(c, func(t TB) TestableVolume {
-               return s.newTestableVolume(c, -2*time.Second, true, 2)
+       DoGenericVolumeTests(c, true, func(t TB, cluster *arvados.Cluster, volume arvados.Volume, logger logrus.FieldLogger, metrics *volumeMetricsVecs) TestableVolume {
+               return s.newTestableVolume(c, cluster, volume, metrics, -2*time.Second)
        })
 }
 
 func (s *StubbedS3Suite) TestIndex(c *check.C) {
-       v := s.newTestableVolume(c, 0, false, 2)
+       v := s.newTestableVolume(c, s.cluster, arvados.Volume{Replication: 2}, newVolumeMetricsVecs(prometheus.NewRegistry()), 0)
        v.IndexPageSize = 3
        for i := 0; i < 256; i++ {
                v.PutRaw(fmt.Sprintf("%02x%030x", i, i), []byte{102, 111, 111})
@@ -82,15 +101,212 @@ func (s *StubbedS3Suite) TestIndex(c *check.C) {
        }
 }
 
+func (s *StubbedS3Suite) TestSignatureVersion(c *check.C) {
+       var header http.Header
+       stub := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+               header = r.Header
+       }))
+       defer stub.Close()
+
+       // Default V4 signature
+       vol := S3Volume{
+               S3VolumeDriverParameters: arvados.S3VolumeDriverParameters{
+                       AccessKey: "xxx",
+                       SecretKey: "xxx",
+                       Endpoint:  stub.URL,
+                       Region:    "test-region-1",
+                       Bucket:    "test-bucket-name",
+               },
+               cluster: s.cluster,
+               logger:  ctxlog.TestLogger(c),
+               metrics: newVolumeMetricsVecs(prometheus.NewRegistry()),
+       }
+       err := vol.check()
+       c.Check(err, check.IsNil)
+       err = vol.Put(context.Background(), "acbd18db4cc2f85cedef654fccc4a4d8", []byte("foo"))
+       c.Check(err, check.IsNil)
+       c.Check(header.Get("Authorization"), check.Matches, `AWS4-HMAC-SHA256 .*`)
+
+       // Force V2 signature
+       vol = S3Volume{
+               S3VolumeDriverParameters: arvados.S3VolumeDriverParameters{
+                       AccessKey:   "xxx",
+                       SecretKey:   "xxx",
+                       Endpoint:    stub.URL,
+                       Region:      "test-region-1",
+                       Bucket:      "test-bucket-name",
+                       V2Signature: true,
+               },
+               cluster: s.cluster,
+               logger:  ctxlog.TestLogger(c),
+               metrics: newVolumeMetricsVecs(prometheus.NewRegistry()),
+       }
+       err = vol.check()
+       c.Check(err, check.IsNil)
+       err = vol.Put(context.Background(), "acbd18db4cc2f85cedef654fccc4a4d8", []byte("foo"))
+       c.Check(err, check.IsNil)
+       c.Check(header.Get("Authorization"), check.Matches, `AWS xxx:.*`)
+}
+
+func (s *StubbedS3Suite) TestIAMRoleCredentials(c *check.C) {
+       s.metadata = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+               upd := time.Now().UTC().Add(-time.Hour).Format(time.RFC3339)
+               exp := time.Now().UTC().Add(time.Hour).Format(time.RFC3339)
+               // Literal example from
+               // https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-roles-for-amazon-ec2.html#instance-metadata-security-credentials
+               // but with updated timestamps
+               io.WriteString(w, `{"Code":"Success","LastUpdated":"`+upd+`","Type":"AWS-HMAC","AccessKeyId":"ASIAIOSFODNN7EXAMPLE","SecretAccessKey":"wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY","Token":"token","Expiration":"`+exp+`"}`)
+       }))
+       defer s.metadata.Close()
+
+       v := s.newTestableVolume(c, s.cluster, arvados.Volume{Replication: 2}, newVolumeMetricsVecs(prometheus.NewRegistry()), 5*time.Minute)
+       c.Check(v.AccessKey, check.Equals, "ASIAIOSFODNN7EXAMPLE")
+       c.Check(v.SecretKey, check.Equals, "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY")
+       c.Check(v.bucket.bucket.S3.Auth.AccessKey, check.Equals, "ASIAIOSFODNN7EXAMPLE")
+       c.Check(v.bucket.bucket.S3.Auth.SecretKey, check.Equals, "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY")
+
+       s.metadata = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+               w.WriteHeader(http.StatusNotFound)
+       }))
+       deadv := &S3Volume{
+               S3VolumeDriverParameters: arvados.S3VolumeDriverParameters{
+                       IAMRole:  s.metadata.URL + "/fake-metadata/test-role",
+                       Endpoint: "http://localhost:12345",
+                       Region:   "test-region-1",
+                       Bucket:   "test-bucket-name",
+               },
+               cluster: s.cluster,
+               logger:  ctxlog.TestLogger(c),
+               metrics: newVolumeMetricsVecs(prometheus.NewRegistry()),
+       }
+       err := deadv.check()
+       c.Check(err, check.ErrorMatches, `.*/fake-metadata/test-role.*`)
+       c.Check(err, check.ErrorMatches, `.*404.*`)
+}
+
+func (s *StubbedS3Suite) TestStats(c *check.C) {
+       v := s.newTestableVolume(c, s.cluster, arvados.Volume{Replication: 2}, newVolumeMetricsVecs(prometheus.NewRegistry()), 5*time.Minute)
+       stats := func() string {
+               buf, err := json.Marshal(v.InternalStats())
+               c.Check(err, check.IsNil)
+               return string(buf)
+       }
+
+       c.Check(stats(), check.Matches, `.*"Ops":0,.*`)
+
+       loc := "acbd18db4cc2f85cedef654fccc4a4d8"
+       _, err := v.Get(context.Background(), loc, make([]byte, 3))
+       c.Check(err, check.NotNil)
+       c.Check(stats(), check.Matches, `.*"Ops":[^0],.*`)
+       c.Check(stats(), check.Matches, `.*"\*s3.Error 404 [^"]*":[^0].*`)
+       c.Check(stats(), check.Matches, `.*"InBytes":0,.*`)
+
+       err = v.Put(context.Background(), loc, []byte("foo"))
+       c.Check(err, check.IsNil)
+       c.Check(stats(), check.Matches, `.*"OutBytes":3,.*`)
+       c.Check(stats(), check.Matches, `.*"PutOps":2,.*`)
+
+       _, err = v.Get(context.Background(), loc, make([]byte, 3))
+       c.Check(err, check.IsNil)
+       _, err = v.Get(context.Background(), loc, make([]byte, 3))
+       c.Check(err, check.IsNil)
+       c.Check(stats(), check.Matches, `.*"InBytes":6,.*`)
+}
+
+type blockingHandler struct {
+       requested chan *http.Request
+       unblock   chan struct{}
+}
+
+func (h *blockingHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+       if r.Method == "PUT" && !strings.Contains(strings.Trim(r.URL.Path, "/"), "/") {
+               // Accept PutBucket ("PUT /bucketname/"), called by
+               // newTestableVolume
+               return
+       }
+       if h.requested != nil {
+               h.requested <- r
+       }
+       if h.unblock != nil {
+               <-h.unblock
+       }
+       http.Error(w, "nothing here", http.StatusNotFound)
+}
+
+func (s *StubbedS3Suite) TestGetContextCancel(c *check.C) {
+       loc := "acbd18db4cc2f85cedef654fccc4a4d8"
+       buf := make([]byte, 3)
+
+       s.testContextCancel(c, func(ctx context.Context, v *TestableS3Volume) error {
+               _, err := v.Get(ctx, loc, buf)
+               return err
+       })
+}
+
+func (s *StubbedS3Suite) TestCompareContextCancel(c *check.C) {
+       loc := "acbd18db4cc2f85cedef654fccc4a4d8"
+       buf := []byte("bar")
+
+       s.testContextCancel(c, func(ctx context.Context, v *TestableS3Volume) error {
+               return v.Compare(ctx, loc, buf)
+       })
+}
+
+func (s *StubbedS3Suite) TestPutContextCancel(c *check.C) {
+       loc := "acbd18db4cc2f85cedef654fccc4a4d8"
+       buf := []byte("foo")
+
+       s.testContextCancel(c, func(ctx context.Context, v *TestableS3Volume) error {
+               return v.Put(ctx, loc, buf)
+       })
+}
+
+func (s *StubbedS3Suite) testContextCancel(c *check.C, testFunc func(context.Context, *TestableS3Volume) error) {
+       handler := &blockingHandler{}
+       s.s3server = httptest.NewServer(handler)
+       defer s.s3server.Close()
+
+       v := s.newTestableVolume(c, s.cluster, arvados.Volume{Replication: 2}, newVolumeMetricsVecs(prometheus.NewRegistry()), 5*time.Minute)
+
+       ctx, cancel := context.WithCancel(context.Background())
+
+       handler.requested = make(chan *http.Request)
+       handler.unblock = make(chan struct{})
+       defer close(handler.unblock)
+
+       doneFunc := make(chan struct{})
+       go func() {
+               err := testFunc(ctx, v)
+               c.Check(err, check.Equals, context.Canceled)
+               close(doneFunc)
+       }()
+
+       timeout := time.After(10 * time.Second)
+
+       // Wait for the stub server to receive a request, meaning
+       // Get() is waiting for an s3 operation.
+       select {
+       case <-timeout:
+               c.Fatal("timed out waiting for test func to call our handler")
+       case <-doneFunc:
+               c.Fatal("test func finished without even calling our handler!")
+       case <-handler.requested:
+       }
+
+       cancel()
+
+       select {
+       case <-timeout:
+               c.Fatal("timed out")
+       case <-doneFunc:
+       }
+}
+
 func (s *StubbedS3Suite) TestBackendStates(c *check.C) {
-       defer func(tl, bs arvados.Duration) {
-               theConfig.TrashLifetime = tl
-               theConfig.BlobSignatureTTL = bs
-       }(theConfig.TrashLifetime, theConfig.BlobSignatureTTL)
-       theConfig.TrashLifetime.Set("1h")
-       theConfig.BlobSignatureTTL.Set("1h")
-
-       v := s.newTestableVolume(c, 5*time.Minute, false, 2)
+       s.cluster.Collections.BlobTrashLifetime.Set("1h")
+       s.cluster.Collections.BlobSigningTTL.Set("1h")
+
+       v := s.newTestableVolume(c, s.cluster, arvados.Volume{Replication: 2}, newVolumeMetricsVecs(prometheus.NewRegistry()), 5*time.Minute)
        var none time.Time
 
        putS3Obj := func(t time.Time, key string, data []byte) {
@@ -98,7 +314,7 @@ func (s *StubbedS3Suite) TestBackendStates(c *check.C) {
                        return
                }
                v.serverClock.now = &t
-               v.bucket.Put(key, data, "application/octet-stream", s3ACL, s3.Options{})
+               v.bucket.Bucket().Put(key, data, "application/octet-stream", s3ACL, s3.Options{})
        }
 
        t0 := time.Now()
@@ -185,12 +401,12 @@ func (s *StubbedS3Suite) TestBackendStates(c *check.C) {
                        false, false, false, true, false, false,
                },
                {
-                       "Erroneously trashed during a race, detected before TrashLifetime",
+                       "Erroneously trashed during a race, detected before BlobTrashLifetime",
                        none, t0.Add(-30 * time.Minute), t0.Add(-29 * time.Minute),
                        true, false, true, true, true, false,
                },
                {
-                       "Erroneously trashed during a race, rescue during EmptyTrash despite reaching TrashLifetime",
+                       "Erroneously trashed during a race, rescue during EmptyTrash despite reaching BlobTrashLifetime",
                        none, t0.Add(-90 * time.Minute), t0.Add(-89 * time.Minute),
                        true, false, true, true, true, false,
                },
@@ -231,7 +447,7 @@ func (s *StubbedS3Suite) TestBackendStates(c *check.C) {
                }
 
                // Call Trash, then check canTrash and canGetAfterTrash
-               loc, blk = setupScenario()
+               loc, _ = setupScenario()
                err = v.Trash(loc)
                c.Check(err == nil, check.Equals, scenario.canTrash)
                _, err = v.Get(context.Background(), loc, buf)
@@ -241,7 +457,7 @@ func (s *StubbedS3Suite) TestBackendStates(c *check.C) {
                }
 
                // Call Untrash, then check canUntrash
-               loc, blk = setupScenario()
+               loc, _ = setupScenario()
                err = v.Untrash(loc)
                c.Check(err == nil, check.Equals, scenario.canUntrash)
                if scenario.dataT != none || scenario.trashT != none {
@@ -255,7 +471,7 @@ func (s *StubbedS3Suite) TestBackendStates(c *check.C) {
 
                // Call EmptyTrash, then check haveTrashAfterEmpty and
                // freshAfterEmpty
-               loc, blk = setupScenario()
+               loc, _ = setupScenario()
                v.EmptyTrash()
                _, err = v.bucket.Head("trash/"+loc, nil)
                c.Check(err == nil, check.Equals, scenario.haveTrashAfterEmpty)
@@ -285,46 +501,59 @@ type TestableS3Volume struct {
        serverClock *fakeClock
 }
 
-func (s *StubbedS3Suite) newTestableVolume(c *check.C, raceWindow time.Duration, readonly bool, replication int) *TestableS3Volume {
+func (s *StubbedS3Suite) newTestableVolume(c *check.C, cluster *arvados.Cluster, volume arvados.Volume, metrics *volumeMetricsVecs, raceWindow time.Duration) *TestableS3Volume {
        clock := &fakeClock{}
        srv, err := s3test.NewServer(&s3test.Config{Clock: clock})
        c.Assert(err, check.IsNil)
+       endpoint := srv.URL()
+       if s.s3server != nil {
+               endpoint = s.s3server.URL
+       }
 
-       tmp, err := ioutil.TempFile("", "keepstore")
-       c.Assert(err, check.IsNil)
-       defer os.Remove(tmp.Name())
-       _, err = tmp.Write([]byte("xxx\n"))
-       c.Assert(err, check.IsNil)
-       c.Assert(tmp.Close(), check.IsNil)
+       iamRole, accessKey, secretKey := "", "xxx", "xxx"
+       if s.metadata != nil {
+               iamRole, accessKey, secretKey = s.metadata.URL+"/fake-metadata/test-role", "", ""
+       }
 
        v := &TestableS3Volume{
                S3Volume: &S3Volume{
-                       Bucket:             TestBucketName,
-                       AccessKeyFile:      tmp.Name(),
-                       SecretKeyFile:      tmp.Name(),
-                       Endpoint:           srv.URL(),
-                       Region:             "test-region-1",
-                       LocationConstraint: true,
-                       RaceWindow:         arvados.Duration(raceWindow),
-                       S3Replication:      replication,
-                       UnsafeDelete:       s3UnsafeDelete,
-                       ReadOnly:           readonly,
-                       IndexPageSize:      1000,
+                       S3VolumeDriverParameters: arvados.S3VolumeDriverParameters{
+                               IAMRole:            iamRole,
+                               AccessKey:          accessKey,
+                               SecretKey:          secretKey,
+                               Bucket:             TestBucketName,
+                               Endpoint:           endpoint,
+                               Region:             "test-region-1",
+                               LocationConstraint: true,
+                               UnsafeDelete:       true,
+                               IndexPageSize:      1000,
+                       },
+                       cluster: cluster,
+                       volume:  volume,
+                       logger:  ctxlog.TestLogger(c),
+                       metrics: metrics,
                },
+               c:           c,
                server:      srv,
                serverClock: clock,
        }
-       c.Assert(v.Start(), check.IsNil)
-       err = v.bucket.PutBucket(s3.ACL("private"))
-       c.Assert(err, check.IsNil)
+       c.Assert(v.S3Volume.check(), check.IsNil)
+       c.Assert(v.bucket.Bucket().PutBucket(s3.ACL("private")), check.IsNil)
+       // We couldn't set RaceWindow until now because check()
+       // rejects negative values.
+       v.S3Volume.RaceWindow = arvados.Duration(raceWindow)
        return v
 }
 
 // PutRaw skips the ContentMD5 test
 func (v *TestableS3Volume) PutRaw(loc string, block []byte) {
-       err := v.bucket.Put(loc, block, "application/octet-stream", s3ACL, s3.Options{})
+       err := v.bucket.Bucket().Put(loc, block, "application/octet-stream", s3ACL, s3.Options{})
        if err != nil {
-               log.Printf("PutRaw: %+v", err)
+               v.logger.Printf("PutRaw: %s: %+v", loc, err)
+       }
+       err = v.bucket.Bucket().Put("recent/"+loc, nil, "application/octet-stream", s3ACL, s3.Options{})
+       if err != nil {
+               v.logger.Printf("PutRaw: recent/%s: %+v", loc, err)
        }
 }
 
@@ -333,7 +562,7 @@ func (v *TestableS3Volume) PutRaw(loc string, block []byte) {
 // while we do this.
 func (v *TestableS3Volume) TouchWithDate(locator string, lastPut time.Time) {
        v.serverClock.now = &lastPut
-       err := v.bucket.Put("recent/"+locator, nil, "application/octet-stream", s3ACL, s3.Options{})
+       err := v.bucket.Bucket().Put("recent/"+locator, nil, "application/octet-stream", s3ACL, s3.Options{})
        if err != nil {
                panic(err)
        }
@@ -343,3 +572,7 @@ func (v *TestableS3Volume) TouchWithDate(locator string, lastPut time.Time) {
 func (v *TestableS3Volume) Teardown() {
        v.server.Quit()
 }
+
+func (v *TestableS3Volume) ReadWriteOperationLabelValues() (r, w string) {
+       return "get", "put"
+}