avijayanhwx commented on a change in pull request #356: HDDS-2590 Integration tests for Recon with Ozone Manager URL: https://github.com/apache/hadoop-ozone/pull/356#discussion_r358513275
########## File path: hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/recon/TestRecon.java ########## @@ -0,0 +1,385 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with this + * work for additional information regarding copyright ownership. The ASF + * licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ +package org.apache.hadoop.ozone.recon; + +import com.google.gson.Gson; +import com.google.gson.internal.LinkedTreeMap; +import org.apache.hadoop.hdds.HddsConfigKeys; +import org.apache.hadoop.hdds.client.BlockID; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos; +import org.apache.hadoop.hdds.scm.pipeline.Pipeline; +import org.apache.hadoop.hdds.scm.pipeline.PipelineID; +import org.apache.hadoop.hdds.utils.db.RDBStore; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.hdds.utils.db.TableIterator; +import org.apache.hadoop.ozone.MiniOzoneCluster; + +import org.apache.hadoop.ozone.om.OMMetadataManager; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfoGroup; +import org.apache.hadoop.security.UserGroupInformation; +import org.apache.hadoop.test.GenericTestUtils; +import org.apache.http.HttpEntity; +import org.apache.http.HttpResponse; +import org.apache.http.client.config.RequestConfig; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClientBuilder; +import org.apache.http.util.EntityUtils; +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Test; + +import java.io.File; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; + +import static java.net.HttpURLConnection.HTTP_CREATED; +import static java.net.HttpURLConnection.HTTP_OK; +import static org.apache.hadoop.ozone.recon.ReconConstants.RECON_OM_SNAPSHOT_DB; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.OZONE_RECON_OM_SNAPSHOT_DB_DIR; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_SOCKET_TIMEOUT; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_SOCKET_TIMEOUT_DEFAULT; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.OZONE_RECON_HTTP_ADDRESS_KEY; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_CONNECTION_TIMEOUT; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_CONNECTION_TIMEOUT_DEFAULT; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_CONNECTION_REQUEST_TIMEOUT; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_CONNECTION_REQUEST_TIMEOUT_DEFAULT; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_SNAPSHOT_TASK_INTERVAL; +import static org.apache.hadoop.ozone.recon. + ReconServerConfigKeys.RECON_OM_SNAPSHOT_TASK_INTERVAL_DEFAULT; + +/** + * Test Ozone Recon. + */ +public class TestRecon { + private static MiniOzoneCluster cluster = null; + private static OzoneConfiguration conf; + private static OMMetadataManager metadataManager; + private static File dir; + private static UserGroupInformation ugi; + private static CloseableHttpClient httpClient; + private static ReconUtils reconUtils; + private static long pauseInterval; + private String reconHTTPAddress = conf.get(OZONE_RECON_HTTP_ADDRESS_KEY); + private String containerKeyServiceURL = "http://"; + reconHTTPAddress + + "/api/containers"; + private String fileSizeCountURL = "http://"; + reconHTTPAddress + + "/api/utilization"; + private String taskStatusURL = "http://"; + reconHTTPAddress + + "/api/task/status"; + + @BeforeClass + public static void init() throws Exception { + dir = GenericTestUtils.getRandomizedTestDir(); + conf = new OzoneConfiguration(); + conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, dir.toString()); + ugi = UserGroupInformation.getCurrentUser(); + + + int socketTimeout = (int) conf.getTimeDuration( + RECON_OM_SOCKET_TIMEOUT, RECON_OM_SOCKET_TIMEOUT_DEFAULT, + TimeUnit.MILLISECONDS); + int connectionTimeout = (int) conf.getTimeDuration( + RECON_OM_CONNECTION_TIMEOUT, + RECON_OM_CONNECTION_TIMEOUT_DEFAULT, TimeUnit.MILLISECONDS); + int connectionRequestTimeout = (int)conf.getTimeDuration( + RECON_OM_CONNECTION_REQUEST_TIMEOUT, + RECON_OM_CONNECTION_REQUEST_TIMEOUT_DEFAULT, TimeUnit.MILLISECONDS); + RequestConfig config = RequestConfig.custom() + .setConnectTimeout(socketTimeout) + .setConnectionRequestTimeout(connectionTimeout) + .setSocketTimeout(connectionRequestTimeout).build(); + + cluster = MiniOzoneCluster.newBuilder(conf).build(); + cluster.waitForClusterToBeReady(); + metadataManager = cluster.getOzoneManager().getMetadataManager(); + + cluster.getStorageContainerManager().exitSafeMode(); + reconUtils = cluster.getReconServer().getInjector().getInstance( + ReconUtils.class); + + // initialize HTTPClient + httpClient = HttpClientBuilder + .create() + .setDefaultRequestConfig(config) + .build(); + + pauseInterval = conf.getTimeDuration( + conf.get(RECON_OM_SNAPSHOT_TASK_INTERVAL), + conf.get(RECON_OM_SNAPSHOT_TASK_INTERVAL_DEFAULT), + TimeUnit.MILLISECONDS); + } + + @AfterClass + public static void shutdown() { + if (cluster != null) { + cluster.shutdown(); + } + } + + /** + * Returns a {@link CloseableHttpClient} configured by given configuration. + * If conf is null, returns a default instance. + * + * @param url URL + * @return a JSON String Response. + */ + private String makeHttpCall(String url) + throws IOException { + HttpGet httpGet = new HttpGet(url); + HttpResponse response = httpClient.execute(httpGet); + int errorCode = response.getStatusLine().getStatusCode(); + HttpEntity entity = response.getEntity(); + + if ((errorCode == HTTP_OK) || (errorCode == HTTP_CREATED)) { + return EntityUtils.toString(entity); + } + + if (entity != null) { + throw new IOException("Unexpected exception when trying to reach Ozone " + + "Manager, " + EntityUtils.toString(entity)); + } else { + throw new IOException("Unexpected null in http payload," + + " while processing request"); + } + } + + @Test + public void testReconServer() throws Exception { + //add a vol, bucket and key + addKeys(0, 1); + + //check if OM metadata has vol0/bucket0/key0 info + String ozoneKey = metadataManager.getOzoneKey( + "vol0", "bucket0", "key0"); + OmKeyInfo keyInfo1 = metadataManager.getKeyTable().get(ozoneKey); + + TableIterator<String, ? extends Table.KeyValue<String, OmKeyInfo>> + omKeyValueTableIterator = metadataManager.getKeyTable().iterator(); + + long omMetadataKeyCount = getTableKeyCount(omKeyValueTableIterator); + + //verify if OM has /vol0/bucket0/key0 + Assert.assertEquals("vol0", keyInfo1.getVolumeName()); + Assert.assertEquals("bucket0", keyInfo1.getBucketName()); + + //pause to get the next snapshot from om + Thread.sleep(pauseInterval); + + // HTTP call to /api/containers + String containerResponse = makeHttpCall(containerKeyServiceURL); + Map map = new Gson().fromJson(containerResponse, HashMap.class); + LinkedTreeMap linkedTreeMap = (LinkedTreeMap) map.get("data"); + long reconMetadataKeyCount = (long)(double)linkedTreeMap.get("totalCount"); + + //verify count of keys after full snapshot + Assert.assertEquals(omMetadataKeyCount, reconMetadataKeyCount); + + //verify if Recon Metadata captures vol0/bucket0/key0 info in container0 + ArrayList containers = (ArrayList) linkedTreeMap.get("containers"); + LinkedTreeMap nestedContainerMap = (LinkedTreeMap)containers.get(0); + Assert.assertEquals(1.0, nestedContainerMap.get("NumberOfKeys")); Review comment: Can we also verify containerId if 0? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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