7167: Remove StartKeepWithParams and StopKeepWithParams and make StartKeep and StopKe...
[arvados.git] / services / datamanager / datamanager_test.go
index 68534b23340cfcb2d69a8df3bf251fce48c4376e..c2cb762d52b625b625634f24d385ddbf9ad4e7d8 100644 (file)
@@ -18,7 +18,7 @@ import (
 
 const (
        ActiveUserToken = "3kg6k6lzmp9kj5cpkcoxie963cmvjahbt2fod9zru30k1jqdmi"
-       AdminToken = "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h"
+       AdminToken      = "4axaw8zxe0qm22wa6urpp5nskcne8z88cvbupv653y1njyi05h"
 )
 
 var arv arvadosclient.ArvadosClient
@@ -31,7 +31,7 @@ func SetupDataManagerTest(t *testing.T) {
        // start api and keep servers
        arvadostest.ResetEnv()
        arvadostest.StartAPI()
-       arvadostest.StartKeep()
+       arvadostest.StartKeep(2, false)
 
        arv = makeArvadosClient()
 
@@ -54,7 +54,7 @@ func SetupDataManagerTest(t *testing.T) {
 }
 
 func TearDownDataManagerTest(t *testing.T) {
-       arvadostest.StopKeep()
+       arvadostest.StopKeep(2)
        arvadostest.StopAPI()
 }
 
@@ -175,7 +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 " + AdminToken)
+       req.Header.Add("Authorization", "OAuth2 "+AdminToken)
        req.Header.Add("Content-Type", "application/octet-stream")
        resp, err := client.Do(req)
        defer resp.Body.Close()
@@ -206,7 +206,7 @@ func getBlockIndexes(t *testing.T) [][]string {
        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 {
@@ -224,8 +224,8 @@ func verifyBlocks(t *testing.T, notExpected []string, expected []string) {
                                nFound++
                        }
                }
-               if nFound < 2 {
-                       t.Fatalf("Found %d replicas of block %s, expected >= 2", nFound, block)
+               if nFound < minReplication {
+                       t.Fatalf("Found %d replicas of block %s, expected >= %d", nFound, block, minReplication)
                }
        }
 }
@@ -297,7 +297,7 @@ 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 " + AdminToken)
+       req.Header.Add("Authorization", "OAuth2 "+AdminToken)
        req.Header.Add("Content-Type", "application/octet-stream")
        resp, err := client.Do(req)
        if err != nil {
@@ -316,10 +316,10 @@ func waitUntilQueuesFinishWork(t *testing.T) {
        for _, ks := range keepServers {
                for done := false; !done; {
                        time.Sleep(100 * time.Millisecond)
-                       s := getStatus(t, ks + "/status.json")
+                       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 {
+                               if qStatus["Queued"].(float64)+qStatus["InProgress"].(float64) == 0 {
                                        done = true
                                }
                        }
@@ -365,26 +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 := getFirstLocatorFromCollection(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 := getFirstLocatorFromCollection(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 := getFirstLocatorFromCollection(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 := getFirstLocatorFromCollection(t, oneOfTwoWithSameDataUuid)
-       secondOfTwoWithSameDataUuid := createCollection(t, dataForTwoCollections)
-       secondOfTwoWithSameDataLocator := getFirstLocatorFromCollection(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)
        }
@@ -398,18 +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)
+       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)
@@ -420,44 +420,35 @@ 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)
-
-       // Reduce replication on replicationCollectionUuid collection and verify that the overreplicated blocks are untouched.
+       verifyBlocks(t, oldUnusedBlockLocators, expected, 2)
 
-       // 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)
-               }
-       }
+       // 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.)
 
-       // 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) {
@@ -469,7 +460,6 @@ func TestDatamanagerSingleRunRepeatedly(t *testing.T) {
                if err != nil {
                        t.Fatalf("Got an error during datamanager singlerun: %v", err)
                }
-               time.Sleep(100 * time.Millisecond)
        }
 }