X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/afd38976a33c46b618ff9317192388b8f3f1a195..8a27fe370239ecb8e50d53f46b45ed61203a35ca:/services/keepstore/pull_worker_test.go diff --git a/services/keepstore/pull_worker_test.go b/services/keepstore/pull_worker_test.go index 0bdb886b95..2626e66d88 100644 --- a/services/keepstore/pull_worker_test.go +++ b/services/keepstore/pull_worker_test.go @@ -1,121 +1,315 @@ -package main +// Copyright (C) The Arvados Authors. All rights reserved. +// +// SPDX-License-Identifier: AGPL-3.0 + +package keepstore import ( + "bytes" + "context" "errors" + "io" + "io/ioutil" "net/http" - "testing" "time" + + "git.arvados.org/arvados.git/sdk/go/arvados" + "git.arvados.org/arvados.git/sdk/go/keepclient" + "github.com/prometheus/client_golang/prometheus" + . "gopkg.in/check.v1" + check "gopkg.in/check.v1" ) -func TestPullWorker(t *testing.T) { - defer teardown() +var _ = Suite(&PullWorkerTestSuite{}) + +type PullWorkerTestSuite struct { + cluster *arvados.Cluster + handler *handler + + testPullLists map[string]string + readContent string + readError error + putContent []byte + putError error +} + +func (s *PullWorkerTestSuite) SetUpTest(c *C) { + s.cluster = testCluster(c) + s.cluster.Volumes = map[string]arvados.Volume{ + "zzzzz-nyw5e-000000000000000": {Driver: "mock"}, + "zzzzz-nyw5e-111111111111111": {Driver: "mock"}, + } + s.cluster.Collections.BlobReplicateConcurrency = 1 + + s.handler = &handler{} + c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil) - // Since keepstore does not come into picture in tests, - // we need to explicitly start the goroutine in tests. - go RunPullWorker(pullq.NextItem) + s.readContent = "" + s.readError = nil + s.putContent = []byte{} + s.putError = nil - data_manager_token = "DATA MANAGER TOKEN" + // When a new pull request arrives, the old one will be overwritten. + // This behavior is verified using these two maps in the + // "TestPullWorkerPullList_with_two_items_latest_replacing_old" + s.testPullLists = make(map[string]string) +} - first_pull_list := []byte(`[ +var firstPullList = []byte(`[ { - "locator":"locator1_to_verify_first_pull_list", + "locator":"acbd18db4cc2f85cedef654fccc4a4d8+3", "servers":[ "server_1", "server_2" ] - }, - { - "locator":"locator2_to_verify_first_pull_list", + },{ + "locator":"37b51d194a7513e45b56f6524f2d51f2+3", "servers":[ - "server_1" + "server_3" ] } ]`) - second_pull_list := []byte(`[ +var secondPullList = []byte(`[ { - "locator":"locator_to_verify_second_pull_list", + "locator":"73feffa4b7f6bb68e44cf984c85f6e88+3", "servers":[ "server_1", - "server_2" + "server_2" ] } ]`) - type PullWorkerTestData struct { - name string - req RequestTester - response_code int - response_body string - read_content string - read_error bool - put_error bool - } - var testcases = []PullWorkerTestData{ - { - "Pull request 1 from the data manager in worker", - RequestTester{"/pull", data_manager_token, "PUT", first_pull_list}, - http.StatusOK, - "Received 2 pull requests\n", - "hello", - false, - false, - }, - { - "Pull request 2 from the data manager in worker", - RequestTester{"/pull", data_manager_token, "PUT", second_pull_list}, - http.StatusOK, - "Received 1 pull requests\n", - "hola", - false, - false, - }, +type PullWorkerTestData struct { + name string + req RequestTester + responseCode int + responseBody string + readContent string + readError bool + putError bool +} + +// Ensure MountUUID in a pull list is correctly translated to a Volume +// argument passed to writePulledBlock(). +func (s *PullWorkerTestSuite) TestSpecifyMountUUID(c *C) { + defer func(f func(*RRVolumeManager, Volume, []byte, string) error) { + writePulledBlock = f + }(writePulledBlock) + pullq := s.handler.Handler.(*router).pullq + + for _, spec := range []struct { + sendUUID string + expectVolume Volume + }{ { - "Pull request with error on get", - RequestTester{"/pull", data_manager_token, "PUT", second_pull_list}, - http.StatusOK, - "Received 1 pull requests\n", - "unused", - true, - false, + sendUUID: "", + expectVolume: nil, }, { - "Pull request with error on put", - RequestTester{"/pull", data_manager_token, "PUT", second_pull_list}, - http.StatusOK, - "Received 1 pull requests\n", - "unused", - false, - true, + sendUUID: s.handler.volmgr.Mounts()[0].UUID, + expectVolume: s.handler.volmgr.Mounts()[0].Volume, }, + } { + writePulledBlock = func(_ *RRVolumeManager, v Volume, _ []byte, _ string) error { + c.Check(v, Equals, spec.expectVolume) + return nil + } + + resp := IssueRequest(s.handler, &RequestTester{ + uri: "/pull", + apiToken: s.cluster.SystemRootToken, + method: "PUT", + requestBody: []byte(`[{ + "locator":"acbd18db4cc2f85cedef654fccc4a4d8+3", + "servers":["server_1","server_2"], + "mount_uuid":"` + spec.sendUUID + `"}]`), + }) + c.Assert(resp.Code, Equals, http.StatusOK) + expectEqualWithin(c, time.Second, 0, func() interface{} { + st := pullq.Status() + return st.InProgress + st.Queued + }) + } +} + +func (s *PullWorkerTestSuite) TestPullWorkerPullList_with_two_locators(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorkerPullList_with_two_locators", + req: RequestTester{"/pull", s.cluster.SystemRootToken, "PUT", firstPullList, ""}, + responseCode: http.StatusOK, + responseBody: "Received 2 pull requests\n", + readContent: "hello", + readError: false, + putError: false, } - for _, testData := range testcases { - // Override GetContent to mock keepclient functionality - GetContent = func(addr string, locator string) ([]byte, error) { - if testData.read_error { - return nil, errors.New("Error getting data") - } else { - return []byte(testData.read_content), nil - } + s.performTest(testData, c) +} + +func (s *PullWorkerTestSuite) TestPullWorkerPullList_with_one_locator(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorkerPullList_with_one_locator", + req: RequestTester{"/pull", s.cluster.SystemRootToken, "PUT", secondPullList, ""}, + responseCode: http.StatusOK, + responseBody: "Received 1 pull requests\n", + readContent: "hola", + readError: false, + putError: false, + } + + s.performTest(testData, c) +} + +func (s *PullWorkerTestSuite) TestPullWorker_error_on_get_one_locator(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorker_error_on_get_one_locator", + req: RequestTester{"/pull", s.cluster.SystemRootToken, "PUT", secondPullList, ""}, + responseCode: http.StatusOK, + responseBody: "Received 1 pull requests\n", + readContent: "unused", + readError: true, + putError: false, + } + + s.performTest(testData, c) +} + +func (s *PullWorkerTestSuite) TestPullWorker_error_on_get_two_locators(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorker_error_on_get_two_locators", + req: RequestTester{"/pull", s.cluster.SystemRootToken, "PUT", firstPullList, ""}, + responseCode: http.StatusOK, + responseBody: "Received 2 pull requests\n", + readContent: "unused", + readError: true, + putError: false, + } + + s.performTest(testData, c) +} + +func (s *PullWorkerTestSuite) TestPullWorker_error_on_put_one_locator(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorker_error_on_put_one_locator", + req: RequestTester{"/pull", s.cluster.SystemRootToken, "PUT", secondPullList, ""}, + responseCode: http.StatusOK, + responseBody: "Received 1 pull requests\n", + readContent: "hello hello", + readError: false, + putError: true, + } + + s.performTest(testData, c) +} + +func (s *PullWorkerTestSuite) TestPullWorker_error_on_put_two_locators(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorker_error_on_put_two_locators", + req: RequestTester{"/pull", s.cluster.SystemRootToken, "PUT", firstPullList, ""}, + responseCode: http.StatusOK, + responseBody: "Received 2 pull requests\n", + readContent: "hello again", + readError: false, + putError: true, + } + + s.performTest(testData, c) +} + +// In this case, the item will not be placed on pullq +func (s *PullWorkerTestSuite) TestPullWorker_invalidToken(c *C) { + testData := PullWorkerTestData{ + name: "TestPullWorkerPullList_with_two_locators", + req: RequestTester{"/pull", "invalidToken", "PUT", firstPullList, ""}, + responseCode: http.StatusUnauthorized, + responseBody: "Unauthorized\n", + readContent: "hello", + readError: false, + putError: false, + } + + s.performTest(testData, c) +} + +func (s *PullWorkerTestSuite) performTest(testData PullWorkerTestData, c *C) { + pullq := s.handler.Handler.(*router).pullq + + s.testPullLists[testData.name] = testData.responseBody + + processedPullLists := make(map[string]string) + + // Override GetContent to mock keepclient Get functionality + defer func(orig func(string, *keepclient.KeepClient) (io.ReadCloser, int64, string, error)) { + GetContent = orig + }(GetContent) + GetContent = func(signedLocator string, keepClient *keepclient.KeepClient) (reader io.ReadCloser, contentLength int64, url string, err error) { + c.Assert(getStatusItem(s.handler, "PullQueue", "InProgress"), Equals, float64(1)) + processedPullLists[testData.name] = testData.responseBody + if testData.readError { + err = errors.New("Error getting data") + s.readError = err + return } + s.readContent = testData.readContent + reader = ioutil.NopCloser(bytes.NewBufferString(testData.readContent)) + contentLength = int64(len(testData.readContent)) + return + } - // Override PutContent to mock PutBlock functionality - PutContent = func(content []byte, locator string) (err error) { - if testData.put_error { - return errors.New("Error putting data") - } else { - return nil - } + // Override writePulledBlock to mock PutBlock functionality + defer func(orig func(*RRVolumeManager, Volume, []byte, string) error) { writePulledBlock = orig }(writePulledBlock) + writePulledBlock = func(_ *RRVolumeManager, v Volume, content []byte, locator string) error { + if testData.putError { + s.putError = errors.New("Error putting data") + return s.putError } + s.putContent = content + return nil + } + + c.Check(getStatusItem(s.handler, "PullQueue", "InProgress"), Equals, float64(0)) + c.Check(getStatusItem(s.handler, "PullQueue", "Queued"), Equals, float64(0)) + c.Check(getStatusItem(s.handler, "Version"), Not(Equals), "") - response := IssueRequest(&testData.req) - ExpectStatusCode(t, testData.name, testData.response_code, response) - ExpectBody(t, testData.name, testData.response_body, response) + response := IssueRequest(s.handler, &testData.req) + c.Assert(response.Code, Equals, testData.responseCode) + c.Assert(response.Body.String(), Equals, testData.responseBody) - // give the channel a second to read and process all pull list entries - time.Sleep(1000 * time.Millisecond) + expectEqualWithin(c, time.Second, 0, func() interface{} { + st := pullq.Status() + return st.InProgress + st.Queued + }) - expectChannelEmpty(t, pullq.NextItem) + if testData.name == "TestPullWorkerPullList_with_two_items_latest_replacing_old" { + c.Assert(len(s.testPullLists), Equals, 2) + c.Assert(len(processedPullLists), Equals, 1) + c.Assert(s.testPullLists["Added_before_actual_test_item"], NotNil) + c.Assert(s.testPullLists["TestPullWorkerPullList_with_two_items_latest_replacing_old"], NotNil) + c.Assert(processedPullLists["TestPullWorkerPullList_with_two_items_latest_replacing_old"], NotNil) + } else { + if testData.responseCode == http.StatusOK { + c.Assert(len(s.testPullLists), Equals, 1) + c.Assert(len(processedPullLists), Equals, 1) + c.Assert(s.testPullLists[testData.name], NotNil) + } else { + c.Assert(len(s.testPullLists), Equals, 1) + c.Assert(len(processedPullLists), Equals, 0) + } } + + if testData.readError { + c.Assert(s.readError, NotNil) + } else if testData.responseCode == http.StatusOK { + c.Assert(s.readError, IsNil) + c.Assert(s.readContent, Equals, testData.readContent) + if testData.putError { + c.Assert(s.putError, NotNil) + } else { + c.Assert(s.putError, IsNil) + c.Assert(string(s.putContent), Equals, testData.readContent) + } + } + + expectChannelEmpty(c, pullq.NextItem) }