| /* |
| * 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.brooklyn.entity.cm.ansible; |
| |
| import org.apache.brooklyn.core.location.Locations; |
| import org.apache.brooklyn.entity.software.base.SoftwareProcessImpl; |
| import org.apache.brooklyn.feed.ssh.SshFeed; |
| import org.apache.brooklyn.feed.ssh.SshPollConfig; |
| import org.apache.brooklyn.location.ssh.SshMachineLocation; |
| import org.apache.brooklyn.util.core.task.system.ProcessTaskWrapper; |
| import org.apache.brooklyn.util.guava.Maybe; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class AnsibleEntityImpl extends SoftwareProcessImpl implements AnsibleEntity { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(AnsibleEntityImpl.class); |
| |
| private SshFeed feed; |
| |
| @Override |
| public Class getDriverInterface() { |
| return AnsibleEntityDriver.class; |
| } |
| |
| @Override |
| public AnsibleEntityDriver getDriver() { |
| return (AnsibleEntityDriver) super.getDriver(); |
| } |
| |
| @Override |
| protected void connectSensors() { |
| super.connectSensors(); |
| |
| Maybe<SshMachineLocation> machine = Locations.findUniqueSshMachineLocation(getLocations()); |
| |
| if (machine.isPresent()) { |
| String cmd = getDriver().getStatusCmd(); |
| feed = SshFeed.builder() |
| .entity(this) |
| .period(config().get(SERVICE_PROCESS_IS_RUNNING_POLL_PERIOD)) |
| .machine(machine.get()) |
| .poll(new SshPollConfig<Boolean>(SERVICE_UP) |
| .command(cmd) |
| .setOnSuccess(true) |
| .setOnFailureOrException(false)) |
| .build(); |
| } else { |
| LOG.warn("Location(s) {} not an ssh-machine location, so not polling for status; setting serviceUp immediately", getLocations()); |
| sensors().set(SERVICE_UP, true); |
| } |
| } |
| |
| @Override |
| protected void disconnectSensors() { |
| if (feed != null) feed.stop(); |
| super.disconnectSensors(); |
| } |
| |
| @Override |
| public void populateServiceNotUpDiagnostics() { |
| // TODO no-op currently; should check ssh'able etc |
| } |
| |
| @Override |
| public String ansibleCommand(String module, String args) { |
| final ProcessTaskWrapper<Integer> command = getDriver().ansibleCommand(module, args); |
| |
| command.asTask().blockUntilEnded(); |
| |
| if (0 == command.getExitCode()) { |
| return command.getStdout(); |
| } else { |
| throw new RuntimeException("Command (" + args + ") in module " + module |
| + " failed with stderr:\n" + command.getStderr() + "\n"); |
| } |
| } |
| } |