7167: Remove StartKeepWithParams and StopKeepWithParams and make StartKeep and StopKe...
[arvados.git] / services / datamanager / datamanager_test.go
index de9e7b1c18641bab0fed216a4e8197eda44c7dec..c2cb762d52b625b625634f24d385ddbf9ad4e7d8 100644 (file)
@@ -6,9 +6,7 @@ import (
        "git.curoverse.com/arvados.git/sdk/go/arvadosclient"
        "git.curoverse.com/arvados.git/sdk/go/arvadostest"
        "git.curoverse.com/arvados.git/sdk/go/keepclient"
-       "git.curoverse.com/arvados.git/services/datamanager/keep"
        "io/ioutil"
-       "log"
        "net/http"
        "os"
        "os/exec"
@@ -18,6 +16,11 @@ import (
        "time"
 )
 
+const (
+       ActiveUserToken = "3kg6k6lzmp9kj5cpkcoxie963cmvjahbt2fod9zru30k1jqdmi"
+       AdminToken      = "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h"
+)
+
 var arv arvadosclient.ArvadosClient
 var keepClient *keepclient.KeepClient
 var keepServers []string
@@ -28,19 +31,14 @@ func SetupDataManagerTest(t *testing.T) {
        // start api and keep servers
        arvadostest.ResetEnv()
        arvadostest.StartAPI()
-       arvadostest.StartKeep()
+       arvadostest.StartKeep(2, false)
 
-       // make arvadosclient
-       var err error
-       arv, err = arvadosclient.MakeArvadosClient()
-       if err != nil {
-               t.Fatalf("Error setting up arvados client: %s", err)
-       }
+       arv = makeArvadosClient()
 
        // keep client
        keepClient = &keepclient.KeepClient{
                Arvados:       &arv,
-               Want_replicas: 1,
+               Want_replicas: 2,
                Using_proxy:   true,
                Client:        &http.Client{},
        }
@@ -49,13 +47,14 @@ func SetupDataManagerTest(t *testing.T) {
        if err := keepClient.DiscoverKeepServers(); err != nil {
                t.Fatalf("Error discovering keep services: %s", err)
        }
+       keepServers = []string{}
        for _, host := range keepClient.LocalRoots() {
                keepServers = append(keepServers, host)
        }
 }
 
 func TearDownDataManagerTest(t *testing.T) {
-       arvadostest.StopKeep()
+       arvadostest.StopKeep(2)
        arvadostest.StopAPI()
 }
 
@@ -113,7 +112,7 @@ func createCollection(t *testing.T, data string) string {
 // Get collection locator
 var locatorMatcher = regexp.MustCompile(`^([0-9a-f]{32})\+(\d*)(.*)$`)
 
-func getCollectionLocator(t *testing.T, uuid string) string {
+func getFirstLocatorFromCollection(t *testing.T, uuid string) string {
        manifest := getCollection(t, uuid)["manifest_text"].(string)
 
        locator := strings.Split(manifest, " ")[1]
@@ -164,7 +163,7 @@ func deleteCollection(t *testing.T, uuid string) {
 }
 
 func dataManagerSingleRun(t *testing.T) {
-       err := singlerun()
+       err := singlerun(arv)
        if err != nil {
                t.Fatalf("Error during singlerun %s", err)
        }
@@ -176,7 +175,7 @@ func getBlockIndexesForServer(t *testing.T, i int) []string {
        path := keepServers[i] + "/index"
        client := http.Client{}
        req, err := http.NewRequest("GET", path, nil)
-       req.Header.Add("Authorization", "OAuth2 "+keep.GetDataManagerToken(nil))
+       req.Header.Add("Authorization", "OAuth2 "+AdminToken)
        req.Header.Add("Content-Type", "application/octet-stream")
        resp, err := client.Do(req)
        defer resp.Body.Close()
@@ -198,27 +197,35 @@ func getBlockIndexesForServer(t *testing.T, i int) []string {
        return indexes
 }
 
-func getBlockIndexes(t *testing.T) []string {
-       var indexes []string
+func getBlockIndexes(t *testing.T) [][]string {
+       var indexes [][]string
 
        for i := 0; i < len(keepServers); i++ {
-               indexes = append(indexes, getBlockIndexesForServer(t, i)...)
+               indexes = append(indexes, getBlockIndexesForServer(t, i))
        }
        return indexes
 }
 
-func verifyBlocks(t *testing.T, notExpected []string, expected []string) {
+func verifyBlocks(t *testing.T, notExpected []string, expected []string, minReplication int) {
        blocks := getBlockIndexes(t)
+
        for _, block := range notExpected {
-               exists := valueInArray(block, blocks)
-               if exists {
-                       t.Fatalf("Found unexpected block in index %s", block)
+               for _, idx := range blocks {
+                       if valueInArray(block, idx) {
+                               t.Fatalf("Found unexpected block %s", block)
+                       }
                }
        }
+
        for _, block := range expected {
-               exists := valueInArray(block, blocks)
-               if !exists {
-                       t.Fatalf("Did not find expected block in index %s", block)
+               nFound := 0
+               for _, idx := range blocks {
+                       if valueInArray(block, idx) {
+                               nFound++
+                       }
+               }
+               if nFound < minReplication {
+                       t.Fatalf("Found %d replicas of block %s, expected >= %d", nFound, block, minReplication)
                }
        }
 }
@@ -290,14 +297,13 @@ func backdateBlocks(t *testing.T, oldUnusedBlockLocators []string) {
 func getStatus(t *testing.T, path string) interface{} {
        client := http.Client{}
        req, err := http.NewRequest("GET", path, nil)
-       req.Header.Add("Authorization", "OAuth2 "+keep.GetDataManagerToken(nil))
+       req.Header.Add("Authorization", "OAuth2 "+AdminToken)
        req.Header.Add("Content-Type", "application/octet-stream")
        resp, err := client.Do(req)
-       defer resp.Body.Close()
-
        if err != nil {
                t.Fatalf("Error during %s %s", path, err)
        }
+       defer resp.Body.Close()
 
        var s interface{}
        json.NewDecoder(resp.Body).Decode(&s)
@@ -305,28 +311,18 @@ func getStatus(t *testing.T, path string) interface{} {
        return s
 }
 
+// Wait until PullQueue and TrashQueue are empty on all keepServers.
 func waitUntilQueuesFinishWork(t *testing.T) {
-       // Wait until PullQueue and TrashQueue finish their work
-       for {
-               var done [2]bool
-               for i := 0; i < 2; i++ {
-                       s := getStatus(t, keepServers[i]+"/status.json")
-                       var pullQueueStatus interface{}
-                       pullQueueStatus = s.(map[string]interface{})["PullQueue"]
-                       var trashQueueStatus interface{}
-                       trashQueueStatus = s.(map[string]interface{})["TrashQueue"]
-
-                       if pullQueueStatus.(map[string]interface{})["Queued"] == float64(0) &&
-                               pullQueueStatus.(map[string]interface{})["InProgress"] == float64(0) &&
-                               trashQueueStatus.(map[string]interface{})["Queued"] == float64(0) &&
-                               trashQueueStatus.(map[string]interface{})["InProgress"] == float64(0) {
-                               done[i] = true
-                       }
-               }
-               if done[0] && done[1] {
-                       break
-               } else {
+       for _, ks := range keepServers {
+               for done := false; !done; {
                        time.Sleep(100 * time.Millisecond)
+                       s := getStatus(t, ks+"/status.json")
+                       for _, qName := range []string{"PullQueue", "TrashQueue"} {
+                               qStatus := s.(map[string]interface{})[qName].(map[string]interface{})
+                               if qStatus["Queued"].(float64)+qStatus["InProgress"].(float64) == 0 {
+                                       done = true
+                               }
+                       }
                }
        }
 }
@@ -337,7 +333,6 @@ Also create some collections and delete some of them.
 Verify block indexes.
 */
 func TestPutAndGetBlocks(t *testing.T) {
-       log.Print("TestPutAndGetBlocks start")
        defer TearDownDataManagerTest(t)
        SetupDataManagerTest(t)
 
@@ -370,26 +365,26 @@ func TestPutAndGetBlocks(t *testing.T) {
        }
 
        // Create a collection that would be deleted later on
-       toBeDeletedCollectionUuid := createCollection(t, "some data for collection creation")
-       toBeDeletedCollectionLocator := getCollectionLocator(t, toBeDeletedCollectionUuid)
+       toBeDeletedCollectionUUID := createCollection(t, "some data for collection creation")
+       toBeDeletedCollectionLocator := getFirstLocatorFromCollection(t, toBeDeletedCollectionUUID)
 
        // Create another collection that has the same data as the one of the old blocks
-       oldUsedBlockCollectionUuid := createCollection(t, oldUsedBlockData)
-       oldUsedBlockCollectionLocator := getCollectionLocator(t, oldUsedBlockCollectionUuid)
+       oldUsedBlockCollectionUUID := createCollection(t, oldUsedBlockData)
+       oldUsedBlockCollectionLocator := getFirstLocatorFromCollection(t, oldUsedBlockCollectionUUID)
        if oldUsedBlockCollectionLocator != oldUsedBlockLocator {
                t.Fatalf("Locator of the collection with the same data as old block is different %s", oldUsedBlockCollectionLocator)
        }
 
        // Create another collection whose replication level will be changed
-       replicationCollectionUuid := createCollection(t, "replication level on this collection will be reduced")
-       replicationCollectionLocator := getCollectionLocator(t, replicationCollectionUuid)
+       replicationCollectionUUID := createCollection(t, "replication level on this collection will be reduced")
+       replicationCollectionLocator := getFirstLocatorFromCollection(t, replicationCollectionUUID)
 
        // Create two collections with same data; one will be deleted later on
        dataForTwoCollections := "one of these collections will be deleted"
-       oneOfTwoWithSameDataUuid := createCollection(t, dataForTwoCollections)
-       oneOfTwoWithSameDataLocator := getCollectionLocator(t, oneOfTwoWithSameDataUuid)
-       secondOfTwoWithSameDataUuid := createCollection(t, dataForTwoCollections)
-       secondOfTwoWithSameDataLocator := getCollectionLocator(t, secondOfTwoWithSameDataUuid)
+       oneOfTwoWithSameDataUUID := createCollection(t, dataForTwoCollections)
+       oneOfTwoWithSameDataLocator := getFirstLocatorFromCollection(t, oneOfTwoWithSameDataUUID)
+       secondOfTwoWithSameDataUUID := createCollection(t, dataForTwoCollections)
+       secondOfTwoWithSameDataLocator := getFirstLocatorFromCollection(t, secondOfTwoWithSameDataUUID)
        if oneOfTwoWithSameDataLocator != secondOfTwoWithSameDataLocator {
                t.Fatalf("Locators for both these collections expected to be same: %s %s", oneOfTwoWithSameDataLocator, secondOfTwoWithSameDataLocator)
        }
@@ -403,20 +398,18 @@ func TestPutAndGetBlocks(t *testing.T) {
        expected = append(expected, oneOfTwoWithSameDataLocator)
        expected = append(expected, secondOfTwoWithSameDataLocator)
 
-       verifyBlocks(t, nil, expected)
+       verifyBlocks(t, nil, expected, 2)
 
        // Run datamanager in singlerun mode
        dataManagerSingleRun(t)
        waitUntilQueuesFinishWork(t)
 
-       verifyBlocks(t, nil, expected)
-
-       log.Print("Backdating blocks and deleting collection now")
+       verifyBlocks(t, nil, expected, 2)
 
        // Backdate the to-be old blocks and delete the collections
        backdateBlocks(t, oldUnusedBlockLocators)
-       deleteCollection(t, toBeDeletedCollectionUuid)
-       deleteCollection(t, secondOfTwoWithSameDataUuid)
+       deleteCollection(t, toBeDeletedCollectionUUID)
+       deleteCollection(t, secondOfTwoWithSameDataUUID)
 
        // Run data manager again
        dataManagerSingleRun(t)
@@ -427,64 +420,50 @@ func TestPutAndGetBlocks(t *testing.T) {
        expected = append(expected, oldUsedBlockLocator)
        expected = append(expected, newBlockLocators...)
        expected = append(expected, toBeDeletedCollectionLocator)
-       expected = append(expected, replicationCollectionLocator)
        expected = append(expected, oneOfTwoWithSameDataLocator)
        expected = append(expected, secondOfTwoWithSameDataLocator)
 
-       verifyBlocks(t, oldUnusedBlockLocators, expected)
+       verifyBlocks(t, oldUnusedBlockLocators, expected, 2)
 
-       // Reduce replication on replicationCollectionUuid collection and verify that the overreplicated blocks are untouched.
+       // Reduce desired replication on replicationCollectionUUID
+       // collection, and verify that Data Manager does not reduce
+       // actual replication any further than that. (It might not
+       // reduce actual replication at all; that's OK for this test.)
 
-       // Default replication level is 2; first verify that the replicationCollectionLocator appears in both volumes
-       for i := 0; i < len(keepServers); i++ {
-               indexes := getBlockIndexesForServer(t, i)
-               if !valueInArray(replicationCollectionLocator, indexes) {
-                       t.Fatalf("Not found block in index %s", replicationCollectionLocator)
-               }
-       }
-
-       // Now reduce replication level on this collection and verify that it still appears in both volumes
-       updateCollection(t, replicationCollectionUuid, "replication_desired", "1")
-       collection := getCollection(t, replicationCollectionUuid)
+       // Reduce desired replication level.
+       updateCollection(t, replicationCollectionUUID, "replication_desired", "1")
+       collection := getCollection(t, replicationCollectionUUID)
        if collection["replication_desired"].(interface{}) != float64(1) {
                t.Fatalf("After update replication_desired is not 1; instead it is %v", collection["replication_desired"])
        }
 
+       // Verify data is currently overreplicated.
+       verifyBlocks(t, nil, []string{replicationCollectionLocator}, 2)
+
        // Run data manager again
-       time.Sleep(100 * time.Millisecond)
        dataManagerSingleRun(t)
        waitUntilQueuesFinishWork(t)
 
-       for i := 0; i < len(keepServers); i++ {
-               indexes := getBlockIndexesForServer(t, i)
-               if !valueInArray(replicationCollectionLocator, indexes) {
-                       t.Fatalf("Not found block in index %s", replicationCollectionLocator)
-               }
-       }
-       // Done testing reduce replication on collection
+       // Verify data is not underreplicated.
+       verifyBlocks(t, nil, []string{replicationCollectionLocator}, 1)
 
-       // Verify blocks one more time
-       verifyBlocks(t, oldUnusedBlockLocators, expected)
+       // Verify *other* collections' data is not underreplicated.
+       verifyBlocks(t, oldUnusedBlockLocators, expected, 2)
 }
 
-func _TestDatamanagerSingleRunRepeatedly(t *testing.T) {
-       log.Print("TestDatamanagerSingleRunRepeatedly start")
-
+func TestDatamanagerSingleRunRepeatedly(t *testing.T) {
        defer TearDownDataManagerTest(t)
        SetupDataManagerTest(t)
 
        for i := 0; i < 10; i++ {
-               err := singlerun()
+               err := singlerun(arv)
                if err != nil {
                        t.Fatalf("Got an error during datamanager singlerun: %v", err)
                }
-               time.Sleep(100 * time.Millisecond)
        }
 }
 
-func _TestGetStatusRepeatedly(t *testing.T) {
-       log.Print("TestGetStatusRepeatedly start")
-
+func TestGetStatusRepeatedly(t *testing.T) {
        defer TearDownDataManagerTest(t)
        SetupDataManagerTest(t)
 
@@ -508,3 +487,27 @@ func _TestGetStatusRepeatedly(t *testing.T) {
                }
        }
 }
+
+func TestRunDatamanagerWithBogusServer(t *testing.T) {
+       defer TearDownDataManagerTest(t)
+       SetupDataManagerTest(t)
+
+       arv.ApiServer = "bogus-server"
+
+       err := singlerun(arv)
+       if err == nil {
+               t.Fatalf("Expected error during singlerun with bogus server")
+       }
+}
+
+func TestRunDatamanagerAsNonAdminUser(t *testing.T) {
+       defer TearDownDataManagerTest(t)
+       SetupDataManagerTest(t)
+
+       arv.ApiToken = ActiveUserToken
+
+       err := singlerun(arv)
+       if err == nil {
+               t.Fatalf("Expected error during singlerun as non-admin user")
+       }
+}