| /* |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.accumulo.test; |
| |
| import java.io.IOException; |
| import java.net.HttpURLConnection; |
| import java.net.Socket; |
| import java.net.URL; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.accumulo.core.Constants; |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.conf.Property; |
| import org.apache.accumulo.core.util.MonitorUtil; |
| import org.apache.accumulo.fate.zookeeper.ZooReader; |
| import org.apache.accumulo.gc.SimpleGarbageCollector; |
| import org.apache.accumulo.harness.AccumuloClusterHarness; |
| import org.apache.accumulo.manager.Manager; |
| import org.apache.accumulo.minicluster.ServerType; |
| import org.apache.accumulo.miniclusterImpl.MiniAccumuloClusterImpl; |
| import org.apache.accumulo.miniclusterImpl.ProcessReference; |
| import org.apache.accumulo.monitor.Monitor; |
| import org.apache.accumulo.server.util.PortUtils; |
| import org.apache.accumulo.test.categories.MiniClusterOnlyTests; |
| import org.apache.accumulo.test.functional.FunctionalTestUtils; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; |
| |
| /** |
| * Test class that verifies "HA-capable" servers put up their thrift servers before acquiring their |
| * ZK lock. |
| */ |
| @Category({MiniClusterOnlyTests.class}) |
| public class ThriftServerBindsBeforeZooKeeperLockIT extends AccumuloClusterHarness { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(ThriftServerBindsBeforeZooKeeperLockIT.class); |
| |
| @Override |
| public boolean canRunTest(ClusterType type) { |
| return type == ClusterType.MINI; |
| } |
| |
| @SuppressFBWarnings(value = "URLCONNECTION_SSRF_FD", justification = "url is not from user") |
| @Test |
| public void testMonitorService() throws Exception { |
| final MiniAccumuloClusterImpl cluster = (MiniAccumuloClusterImpl) getCluster(); |
| Collection<ProcessReference> monitors = cluster.getProcesses().get(ServerType.MONITOR); |
| // Need to start one monitor and let it become active. |
| if (monitors == null || monitors.isEmpty()) { |
| getClusterControl().start(ServerType.MONITOR, "localhost"); |
| } |
| |
| while (true) { |
| try { |
| MonitorUtil.getLocation(getServerContext()); |
| break; |
| } catch (Exception e) { |
| LOG.debug("Failed to find active monitor location, retrying", e); |
| Thread.sleep(1000); |
| } |
| } |
| |
| LOG.debug("Found active monitor"); |
| |
| int freePort = PortUtils.getRandomFreePort(); |
| String monitorUrl = "http://localhost:" + freePort; |
| Process monitor = null; |
| try { |
| LOG.debug("Starting standby monitor on {}", freePort); |
| monitor = startProcess(cluster, ServerType.MONITOR, freePort); |
| |
| while (true) { |
| URL url = new URL(monitorUrl); |
| try { |
| HttpURLConnection cnxn = (HttpURLConnection) url.openConnection(); |
| final int responseCode = cnxn.getResponseCode(); |
| String errorText; |
| // This is our "assertion", but we want to re-check it if it's not what we expect |
| if (responseCode == HttpURLConnection.HTTP_OK) { |
| return; |
| } else { |
| errorText = FunctionalTestUtils.readAll(cnxn.getErrorStream()); |
| } |
| LOG.debug("Unexpected responseCode and/or error text, will retry: '{}' '{}'", |
| responseCode, errorText); |
| } catch (Exception e) { |
| LOG.debug("Caught exception trying to fetch monitor info", e); |
| } |
| // Wait before trying again |
| Thread.sleep(1000); |
| // Make sure the process is still up. Possible the "randomFreePort" we got wasn't actually |
| // free and the process |
| // died trying to bind it. Pick a new port and restart it in that case. |
| if (!monitor.isAlive()) { |
| freePort = PortUtils.getRandomFreePort(); |
| monitorUrl = "http://localhost:" + freePort; |
| LOG.debug("Monitor died, restarting it listening on {}", freePort); |
| monitor = startProcess(cluster, ServerType.MONITOR, freePort); |
| } |
| } |
| } finally { |
| if (monitor != null) { |
| monitor.destroyForcibly(); |
| } |
| } |
| } |
| |
| @SuppressFBWarnings(value = "UNENCRYPTED_SOCKET", |
| justification = "unencrypted socket is okay for testing") |
| @Test |
| public void testManagerService() throws Exception { |
| final MiniAccumuloClusterImpl cluster = (MiniAccumuloClusterImpl) getCluster(); |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| final String instanceID = client.instanceOperations().getInstanceID(); |
| |
| // Wait for the Manager to grab its lock |
| while (true) { |
| final ZooReader reader = new ZooReader(cluster.getZooKeepers(), 30000); |
| try { |
| List<String> locks = |
| reader.getChildren(Constants.ZROOT + "/" + instanceID + Constants.ZMANAGER_LOCK); |
| if (!locks.isEmpty()) { |
| break; |
| } |
| } catch (Exception e) { |
| LOG.debug("Failed to find active manager location, retrying", e); |
| Thread.sleep(1000); |
| } |
| } |
| |
| LOG.debug("Found active manager"); |
| |
| int freePort = PortUtils.getRandomFreePort(); |
| Process manager = null; |
| try { |
| LOG.debug("Starting standby manager on {}", freePort); |
| manager = startProcess(cluster, ServerType.MANAGER, freePort); |
| |
| while (true) { |
| try (Socket s = new Socket("localhost", freePort)) { |
| if (s.isConnected()) { |
| // Pass |
| return; |
| } |
| } catch (Exception e) { |
| LOG.debug("Caught exception trying to connect to Manager", e); |
| } |
| // Wait before trying again |
| Thread.sleep(1000); |
| // Make sure the process is still up. Possible the "randomFreePort" we got wasn't |
| // actually |
| // free and the process |
| // died trying to bind it. Pick a new port and restart it in that case. |
| if (!manager.isAlive()) { |
| freePort = PortUtils.getRandomFreePort(); |
| LOG.debug("Manager died, restarting it listening on {}", freePort); |
| manager = startProcess(cluster, ServerType.MANAGER, freePort); |
| } |
| } |
| } finally { |
| if (manager != null) { |
| manager.destroyForcibly(); |
| } |
| } |
| } |
| } |
| |
| @SuppressFBWarnings(value = "UNENCRYPTED_SOCKET", |
| justification = "unencrypted socket is okay for testing") |
| @Test |
| public void testGarbageCollectorPorts() throws Exception { |
| final MiniAccumuloClusterImpl cluster = (MiniAccumuloClusterImpl) getCluster(); |
| try (AccumuloClient client = Accumulo.newClient().from(getClientProps()).build()) { |
| String instanceID = client.instanceOperations().getInstanceID(); |
| |
| // Wait for the Manager to grab its lock |
| while (true) { |
| final ZooReader reader = new ZooReader(cluster.getZooKeepers(), 30000); |
| try { |
| List<String> locks = |
| reader.getChildren(Constants.ZROOT + "/" + instanceID + Constants.ZGC_LOCK); |
| if (!locks.isEmpty()) { |
| break; |
| } |
| } catch (Exception e) { |
| LOG.debug("Failed to find active gc location, retrying", e); |
| Thread.sleep(1000); |
| } |
| } |
| |
| LOG.debug("Found active gc"); |
| |
| int freePort = PortUtils.getRandomFreePort(); |
| Process manager = null; |
| try { |
| LOG.debug("Starting standby gc on {}", freePort); |
| manager = startProcess(cluster, ServerType.GARBAGE_COLLECTOR, freePort); |
| |
| while (true) { |
| try (Socket s = new Socket("localhost", freePort)) { |
| if (s.isConnected()) { |
| // Pass |
| return; |
| } |
| } catch (Exception e) { |
| LOG.debug("Caught exception trying to connect to GC", e); |
| } |
| // Wait before trying again |
| Thread.sleep(1000); |
| // Make sure the process is still up. Possible the "randomFreePort" we got wasn't |
| // actually |
| // free and the process |
| // died trying to bind it. Pick a new port and restart it in that case. |
| if (!manager.isAlive()) { |
| freePort = PortUtils.getRandomFreePort(); |
| LOG.debug("GC died, restarting it listening on {}", freePort); |
| manager = startProcess(cluster, ServerType.GARBAGE_COLLECTOR, freePort); |
| } |
| } |
| } finally { |
| if (manager != null) { |
| manager.destroyForcibly(); |
| } |
| } |
| } |
| } |
| |
| private Process startProcess(MiniAccumuloClusterImpl cluster, ServerType serverType, int port) |
| throws IOException { |
| final Property property; |
| final Class<?> service; |
| switch (serverType) { |
| case MONITOR: |
| property = Property.MONITOR_PORT; |
| service = Monitor.class; |
| break; |
| case MANAGER: |
| property = Property.MANAGER_CLIENTPORT; |
| service = Manager.class; |
| break; |
| case GARBAGE_COLLECTOR: |
| property = Property.GC_PORT; |
| service = SimpleGarbageCollector.class; |
| break; |
| default: |
| throw new IllegalArgumentException("Irrelevant server type for test"); |
| } |
| |
| return cluster._exec(service, serverType, Map.of(property.getKey(), Integer.toString(port))) |
| .getProcess(); |
| } |
| } |