X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/96c664032e219cab6113acadca843f94009d39e4..d49403ac749fffe24ac6357597e6014bb65efa30:/services/keepstore/handler_test.go diff --git a/services/keepstore/handler_test.go b/services/keepstore/handler_test.go index db64449e48..d545bde0ab 100644 --- a/services/keepstore/handler_test.go +++ b/services/keepstore/handler_test.go @@ -11,7 +11,7 @@ // The HTTP handlers are responsible for enforcing permission policy, // so these tests must exercise all possible permission permutations. -package main +package keepstore import ( "bytes" @@ -21,9 +21,9 @@ import ( "net/http" "net/http/httptest" "os" - "regexp" "sort" "strings" + "sync/atomic" "time" "git.arvados.org/arvados.git/lib/config" @@ -320,6 +320,142 @@ func (s *HandlerSuite) TestPutAndDeleteSkipReadonlyVolumes(c *check.C) { } } +func (s *HandlerSuite) TestReadsOrderedByStorageClassPriority(c *check.C) { + s.cluster.Volumes = map[string]arvados.Volume{ + "zzzzz-nyw5e-111111111111111": { + Driver: "mock", + Replication: 1, + StorageClasses: map[string]bool{"class1": true}}, + "zzzzz-nyw5e-222222222222222": { + Driver: "mock", + Replication: 1, + StorageClasses: map[string]bool{"class2": true, "class3": true}}, + } + + for _, trial := range []struct { + priority1 int // priority of class1, thus vol1 + priority2 int // priority of class2 + priority3 int // priority of class3 (vol2 priority will be max(priority2, priority3)) + get1 int // expected number of "get" ops on vol1 + get2 int // expected number of "get" ops on vol2 + }{ + {100, 50, 50, 1, 0}, // class1 has higher priority => try vol1 first, no need to try vol2 + {100, 100, 100, 1, 0}, // same priority, vol1 is first lexicographically => try vol1 first and succeed + {66, 99, 33, 1, 1}, // class2 has higher priority => try vol2 first, then try vol1 + {66, 33, 99, 1, 1}, // class3 has highest priority => vol2 has highest => try vol2 first, then try vol1 + } { + c.Logf("%+v", trial) + s.cluster.StorageClasses = map[string]arvados.StorageClassConfig{ + "class1": {Priority: trial.priority1}, + "class2": {Priority: trial.priority2}, + "class3": {Priority: trial.priority3}, + } + c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil) + IssueRequest(s.handler, + &RequestTester{ + method: "PUT", + uri: "/" + TestHash, + requestBody: TestBlock, + storageClasses: "class1", + }) + IssueRequest(s.handler, + &RequestTester{ + method: "GET", + uri: "/" + TestHash, + }) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-111111111111111"].Volume.(*MockVolume).CallCount("Get"), check.Equals, trial.get1) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-222222222222222"].Volume.(*MockVolume).CallCount("Get"), check.Equals, trial.get2) + } +} + +func (s *HandlerSuite) TestPutWithNoWritableVolumes(c *check.C) { + s.cluster.Volumes = map[string]arvados.Volume{ + "zzzzz-nyw5e-111111111111111": { + Driver: "mock", + Replication: 1, + ReadOnly: true, + StorageClasses: map[string]bool{"class1": true}}, + } + c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil) + resp := IssueRequest(s.handler, + &RequestTester{ + method: "PUT", + uri: "/" + TestHash, + requestBody: TestBlock, + storageClasses: "class1", + }) + c.Check(resp.Code, check.Equals, FullError.HTTPCode) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-111111111111111"].Volume.(*MockVolume).CallCount("Put"), check.Equals, 0) +} + +func (s *HandlerSuite) TestConcurrentWritesToMultipleStorageClasses(c *check.C) { + s.cluster.Volumes = map[string]arvados.Volume{ + "zzzzz-nyw5e-111111111111111": { + Driver: "mock", + Replication: 1, + StorageClasses: map[string]bool{"class1": true}}, + "zzzzz-nyw5e-121212121212121": { + Driver: "mock", + Replication: 1, + StorageClasses: map[string]bool{"class1": true, "class2": true}}, + "zzzzz-nyw5e-222222222222222": { + Driver: "mock", + Replication: 1, + StorageClasses: map[string]bool{"class2": true}}, + } + + for _, trial := range []struct { + setCounter uint32 // value to stuff vm.counter, to control offset + classes string // desired classes + put111 int // expected number of "put" ops on 11111... after 2x put reqs + put121 int // expected number of "put" ops on 12121... + put222 int // expected number of "put" ops on 22222... + cmp111 int // expected number of "compare" ops on 11111... after 2x put reqs + cmp121 int // expected number of "compare" ops on 12121... + cmp222 int // expected number of "compare" ops on 22222... + }{ + {0, "class1", + 1, 0, 0, + 2, 1, 0}, // first put compares on all vols with class2; second put succeeds after checking 121 + {0, "class2", + 0, 1, 0, + 0, 2, 1}, // first put compares on all vols with class2; second put succeeds after checking 121 + {0, "class1,class2", + 1, 1, 0, + 2, 2, 1}, // first put compares on all vols; second put succeeds after checking 111 and 121 + {1, "class1,class2", + 0, 1, 0, // vm.counter offset is 1 so the first volume attempted is 121 + 2, 2, 1}, // first put compares on all vols; second put succeeds after checking 111 and 121 + {0, "class1,class2,class404", + 1, 1, 0, + 2, 2, 1}, // first put compares on all vols; second put doesn't compare on 222 because it already satisfied class2 on 121 + } { + c.Logf("%+v", trial) + s.cluster.StorageClasses = map[string]arvados.StorageClassConfig{ + "class1": {}, + "class2": {}, + "class3": {}, + } + c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil) + atomic.StoreUint32(&s.handler.volmgr.counter, trial.setCounter) + for i := 0; i < 2; i++ { + IssueRequest(s.handler, + &RequestTester{ + method: "PUT", + uri: "/" + TestHash, + requestBody: TestBlock, + storageClasses: trial.classes, + }) + } + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-111111111111111"].Volume.(*MockVolume).CallCount("Put"), check.Equals, trial.put111) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-121212121212121"].Volume.(*MockVolume).CallCount("Put"), check.Equals, trial.put121) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-222222222222222"].Volume.(*MockVolume).CallCount("Put"), check.Equals, trial.put222) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-111111111111111"].Volume.(*MockVolume).CallCount("Compare"), check.Equals, trial.cmp111) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-121212121212121"].Volume.(*MockVolume).CallCount("Compare"), check.Equals, trial.cmp121) + c.Check(s.handler.volmgr.mountMap["zzzzz-nyw5e-222222222222222"].Volume.(*MockVolume).CallCount("Compare"), check.Equals, trial.cmp222) + } +} + // Test TOUCH requests. func (s *HandlerSuite) TestTouchHandler(c *check.C) { c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil) @@ -497,12 +633,8 @@ func (s *HandlerSuite) TestIndexHandler(c *check.C) { expected := `^` + TestHash + `\+\d+ \d+\n` + TestHash2 + `\+\d+ \d+\n\n$` - match, _ := regexp.MatchString(expected, response.Body.String()) - if !match { - c.Errorf( - "permissions on, superuser request: expected %s, got:\n%s", - expected, response.Body.String()) - } + c.Check(response.Body.String(), check.Matches, expected, check.Commentf( + "permissions on, superuser request")) // superuser /index/prefix request // => OK @@ -513,12 +645,8 @@ func (s *HandlerSuite) TestIndexHandler(c *check.C) { response) expected = `^` + TestHash + `\+\d+ \d+\n\n$` - match, _ = regexp.MatchString(expected, response.Body.String()) - if !match { - c.Errorf( - "permissions on, superuser /index/prefix request: expected %s, got:\n%s", - expected, response.Body.String()) - } + c.Check(response.Body.String(), check.Matches, expected, check.Commentf( + "permissions on, superuser /index/prefix request")) // superuser /index/{no-such-prefix} request // => OK @@ -1026,15 +1154,6 @@ func (s *HandlerSuite) TestPutHandlerNoBufferleak(c *check.C) { } } -type notifyingResponseRecorder struct { - *httptest.ResponseRecorder - closer chan bool -} - -func (r *notifyingResponseRecorder) CloseNotify() <-chan bool { - return r.closer -} - func (s *HandlerSuite) TestGetHandlerClientDisconnect(c *check.C) { s.cluster.Collections.BlobSigning = false c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil) @@ -1045,23 +1164,15 @@ func (s *HandlerSuite) TestGetHandlerClientDisconnect(c *check.C) { bufs = newBufferPool(ctxlog.TestLogger(c), 1, BlockSize) defer bufs.Put(bufs.Get(BlockSize)) - if err := s.handler.volmgr.AllWritable()[0].Put(context.Background(), TestHash, TestBlock); err != nil { - c.Error(err) - } - - resp := ¬ifyingResponseRecorder{ - ResponseRecorder: httptest.NewRecorder(), - closer: make(chan bool, 1), - } - if _, ok := http.ResponseWriter(resp).(http.CloseNotifier); !ok { - c.Fatal("notifyingResponseRecorder is broken") - } - // If anyone asks, the client has disconnected. - resp.closer <- true + err := s.handler.volmgr.AllWritable()[0].Put(context.Background(), TestHash, TestBlock) + c.Assert(err, check.IsNil) + resp := httptest.NewRecorder() ok := make(chan struct{}) go func() { - req, _ := http.NewRequest("GET", fmt.Sprintf("/%s+%d", TestHash, len(TestBlock)), nil) + ctx, cancel := context.WithCancel(context.Background()) + req, _ := http.NewRequestWithContext(ctx, "GET", fmt.Sprintf("/%s+%d", TestHash, len(TestBlock)), nil) + cancel() s.handler.ServeHTTP(resp, req) ok <- struct{}{} }() @@ -1072,7 +1183,7 @@ func (s *HandlerSuite) TestGetHandlerClientDisconnect(c *check.C) { case <-ok: } - ExpectStatusCode(c, "client disconnect", http.StatusServiceUnavailable, resp.ResponseRecorder) + ExpectStatusCode(c, "client disconnect", http.StatusServiceUnavailable, resp) for i, v := range s.handler.volmgr.AllWritable() { if calls := v.Volume.(*MockVolume).called["GET"]; calls != 0 { c.Errorf("volume %d got %d calls, expected 0", i, calls)