| /* |
| * 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.core.effector.ssh; |
| |
| import java.util.Map; |
| |
| import org.apache.brooklyn.api.effector.Effector; |
| import org.apache.brooklyn.api.effector.ParameterType; |
| import org.apache.brooklyn.config.ConfigKey; |
| import org.apache.brooklyn.core.config.ConfigKeys; |
| import org.apache.brooklyn.core.effector.AddEffector; |
| import org.apache.brooklyn.core.effector.EffectorBody; |
| import org.apache.brooklyn.core.effector.Effectors; |
| import org.apache.brooklyn.core.effector.Effectors.EffectorBuilder; |
| import org.apache.brooklyn.core.entity.BrooklynConfigKeys; |
| import org.apache.brooklyn.core.entity.EntityInternal; |
| import org.apache.brooklyn.core.sensor.ssh.SshCommandSensor; |
| import org.apache.brooklyn.util.collections.MutableMap; |
| import org.apache.brooklyn.util.core.config.ConfigBag; |
| import org.apache.brooklyn.util.core.json.ShellEnvironmentSerializer; |
| import org.apache.brooklyn.util.text.Strings; |
| |
| import com.google.common.base.Preconditions; |
| |
| public final class SshCommandEffector extends AddEffector { |
| |
| public static final ConfigKey<String> EFFECTOR_COMMAND = ConfigKeys.newStringConfigKey("command"); |
| public static final ConfigKey<String> EFFECTOR_EXECUTION_DIR = SshCommandSensor.SENSOR_EXECUTION_DIR; |
| |
| public SshCommandEffector(ConfigBag params) { |
| super(newEffectorBuilder(params).build()); |
| } |
| |
| public SshCommandEffector(Map<String,String> params) { |
| this(ConfigBag.newInstance(params)); |
| } |
| |
| public static EffectorBuilder<String> newEffectorBuilder(ConfigBag params) { |
| EffectorBuilder<String> eff = AddEffector.newEffectorBuilder(String.class, params); |
| eff.impl(new Body(eff.buildAbstract(), params)); |
| return eff; |
| } |
| |
| |
| protected static class Body extends EffectorBody<String> { |
| private final Effector<?> effector; |
| private final String command; |
| private final String executionDir; |
| |
| public Body(Effector<?> eff, ConfigBag params) { |
| this.effector = eff; |
| this.command = Preconditions.checkNotNull(params.get(EFFECTOR_COMMAND), "command must be supplied when defining this effector"); |
| this.executionDir = params.get(EFFECTOR_EXECUTION_DIR); |
| // TODO could take a custom "env" aka effectorShellEnv |
| } |
| |
| @Override |
| public String call(ConfigBag params) { |
| String command = this.command; |
| |
| command = SshCommandSensor.makeCommandExecutingInDirectory(command, executionDir, entity()); |
| |
| MutableMap<String, String> env = MutableMap.of(); |
| // first set all declared parameters, including default values |
| for (ParameterType<?> param: effector.getParameters()) { |
| env.addIfNotNull(param.getName(), Strings.toString( params.get(Effectors.asConfigKey(param)) )); |
| } |
| |
| // then set things from the entities defined shell environment, if applicable |
| Map<String, Object> shellEnv = entity().getConfig(BrooklynConfigKeys.SHELL_ENVIRONMENT); |
| ShellEnvironmentSerializer envSerializer = new ShellEnvironmentSerializer(((EntityInternal)entity()).getManagementContext()); |
| env.putAll(envSerializer.serialize(shellEnv)); |
| |
| // if we wanted to resolve the surrounding environment in real time -- see above |
| // Map<String,Object> paramsResolved = (Map<String, Object>) Tasks.resolveDeepValue(effectorShellEnv, Map.class, entity().getExecutionContext()); |
| |
| // finally set the parameters we've been passed; this will repeat declared parameters but to no harm, |
| // it may pick up additional values (could be a flag defining whether this is permitted or not) |
| env.putAll(Strings.toStringMap(params.getAllConfig())); |
| |
| SshEffectorTasks.SshEffectorTaskFactory<String> t = SshEffectorTasks.ssh(command) |
| .requiringZeroAndReturningStdout() |
| .summary("effector "+effector.getName()) |
| .environmentVariables(env); |
| return queue(t).get(); |
| } |
| |
| } |
| |
| } |