| /** |
| * 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.ambari.server.actionmanager; |
| |
| import java.util.*; |
| |
| import org.apache.ambari.server.Role; |
| import org.apache.ambari.server.agent.CommandReport; |
| import org.apache.ambari.server.agent.ExecutionCommand; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.inject.Singleton; |
| |
| @Singleton |
| public class ActionDBInMemoryImpl implements ActionDBAccessor { |
| |
| // for a persisted DB, this will be initialized in the ctor |
| // with the highest persisted requestId value in the DB |
| private final long lastRequestId = 0; |
| private static Logger LOG = LoggerFactory.getLogger(ActionDBInMemoryImpl.class); |
| List<Stage> stageList = new ArrayList<Stage>(); |
| |
| @Override |
| public synchronized Stage getAction(String actionId) { |
| for (Stage s: stageList) { |
| if (s.getActionId().equals(actionId)) { |
| return s; |
| } |
| } |
| return null; |
| } |
| @Override |
| public synchronized List<Stage> getAllStages(long requestId) { |
| List<Stage> l = new ArrayList<Stage>(); |
| for (Stage s: stageList) { |
| if (s.getRequestId() == requestId) { |
| l.add(s); |
| } |
| } |
| return l; |
| } |
| |
| @Override |
| public synchronized void abortOperation(long requestId) { |
| for (Stage s : stageList) { |
| if (s.getRequestId() == requestId) { |
| for (String host : s.getHostRoleCommands().keySet()) { |
| Map<String, HostRoleCommand> roleCommands = s.getHostRoleCommands().get(host); |
| for (String role : roleCommands.keySet()) { |
| HostRoleCommand cmd = roleCommands.get(role); |
| HostRoleStatus status = s.getHostRoleStatus(host, cmd.getRole() |
| .toString()); |
| if (status.equals(HostRoleStatus.IN_PROGRESS) |
| || status.equals(HostRoleStatus.QUEUED) |
| || status.equals(HostRoleStatus.PENDING)) { |
| s.setHostRoleStatus(host, cmd.getRole().toString(), |
| HostRoleStatus.ABORTED); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public synchronized void timeoutHostRole(String host, long requestId, |
| long stageId, Role role) { |
| for (Stage s : stageList) { |
| s.setHostRoleStatus(host, role.toString(), HostRoleStatus.TIMEDOUT); |
| } |
| } |
| |
| @Override |
| public synchronized List<Stage> getStagesInProgress() { |
| List<Stage> l = new ArrayList<Stage>(); |
| for (Stage s: stageList) { |
| if (s.isStageInProgress()) { |
| l.add(s); |
| } |
| } |
| return l; |
| } |
| |
| @Override |
| public synchronized void persistActions(List<Stage> stages) { |
| for (Stage s: stages) { |
| stageList.add(s); |
| } |
| } |
| @Override |
| public synchronized void updateHostRoleState(String hostname, long requestId, |
| long stageId, String role, CommandReport report) { |
| LOG.info("DEBUG stages to iterate: "+stageList.size()); |
| for (Stage s : stageList) { |
| if (s.getRequestId() == requestId && s.getStageId() == stageId) { |
| s.setHostRoleStatus(hostname, role, |
| HostRoleStatus.valueOf(report.getStatus())); |
| s.setExitCode(hostname, role, report.getExitCode()); |
| s.setStderr(hostname, role, report.getStdErr()); |
| s.setStdout(hostname, role, report.getStdOut()); |
| } |
| } |
| } |
| |
| @Override |
| public void abortHostRole(String host, long requestId, long stageId, Role role) { |
| CommandReport report = new CommandReport(); |
| report.setExitCode(999); |
| report.setStdErr("Host Role in invalid state"); |
| report.setStdOut(""); |
| report.setStatus("ABORTED"); |
| updateHostRoleState(host, requestId, stageId, role.toString(), report); |
| } |
| |
| @Override |
| public synchronized long getLastPersistedRequestIdWhenInitialized() { |
| return lastRequestId; |
| } |
| |
| @Override |
| public void hostRoleScheduled(Stage s, String hostname, String roleStr) { |
| //Nothing needed for in-memory implementation |
| } |
| |
| @Override |
| public List<HostRoleCommand> getRequestTasks(long requestId) { |
| return null; |
| } |
| |
| @Override |
| public List<HostRoleCommand> getAllTasksByRequestIds(Collection<Long> requestIds) { |
| //TODO not implemented |
| return null; |
| } |
| |
| @Override |
| public List<HostRoleCommand> getTasksByRequestAndTaskIds(Collection<Long> requestIds, Collection<Long> taskIds) { |
| //TODO not implemented |
| return null; |
| } |
| |
| @Override |
| public Collection<HostRoleCommand> getTasks(Collection<Long> taskIds) { |
| return null; |
| } |
| |
| @Override |
| public List<Stage> getStagesByHostRoleStatus(Set<HostRoleStatus> statuses) { |
| List<Stage> l = new ArrayList<Stage>(); |
| for (Stage s: stageList) { |
| if (s.doesStageHaveHostRoleStatus(statuses)) { |
| l.add(s); |
| } |
| } |
| return l; |
| } |
| @Override |
| public synchronized List<Long> getRequests() { |
| Set<Long> requestIds = new HashSet<Long>(); |
| for (Stage s: stageList) { |
| requestIds.add(s.getRequestId()); |
| } |
| List<Long> ids = new ArrayList<Long>(); |
| ids.addAll(requestIds); |
| return ids; |
| } |
| |
| public HostRoleCommand getTask(long taskId) { |
| for (Stage s : stageList) { |
| for (String host : s.getHostRoleCommands().keySet()) { |
| Map<String, HostRoleCommand> map = s.getHostRoleCommands().get(host); |
| for (HostRoleCommand hostRoleCommand : map.values()) { |
| if (hostRoleCommand.getTaskId() == taskId) { |
| return hostRoleCommand; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| @Override |
| public List<Long> getRequestsByStatus(RequestStatus status) { |
| // TODO |
| throw new RuntimeException("Functionality not implemented"); |
| } |
| } |