208 lines
6.0 KiB
Java
208 lines
6.0 KiB
Java
/*
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*
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* Copyright 2013 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package hudson.plugins.gearman;
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import hudson.model.Action;
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import hudson.model.Computer;
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import hudson.model.Executor;
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import hudson.model.Label;
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import hudson.model.Node;
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import hudson.model.Queue;
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import hudson.model.Queue.Executable;
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import hudson.model.Queue.Task;
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import hudson.model.queue.SubTask;
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import java.io.UnsupportedEncodingException;
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import java.util.List;
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import java.util.Map;
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import jenkins.model.Jenkins;
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import org.gearman.client.GearmanJobResult;
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import org.gearman.client.GearmanJobResultImpl;
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import org.gearman.worker.AbstractGearmanFunction;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.gson.Gson;
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import com.google.gson.reflect.TypeToken;
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/**
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* This is a gearman function that will cancel/abort jenkins builds
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*
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*
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* @author Khai Do
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*/
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public class StopJobWorker extends AbstractGearmanFunction {
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private static final Logger logger = LoggerFactory
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.getLogger(Constants.PLUGIN_EXECTUOR_LOGGER_NAME);
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/*
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* The Gearman Function
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* @see org.gearman.worker.AbstractGearmanFunction#executeFunction()
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*/
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@Override
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public GearmanJobResult executeFunction() {
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String decoded = null;
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logger.info("---- Running executeFunction in " + this.getName()+ " -------");
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try {
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decoded = new String((byte[]) this.data, "UTF-8");
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} catch (UnsupportedEncodingException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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Gson gson = new Gson();
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Map<String, String> inParams = gson.fromJson(decoded,
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new TypeToken<Map<String, String>>() {
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}.getType());
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// need to pass on uuid from client.
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// temporarily passing uuid as a build parameter due to
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// issue: https://answers.launchpad.net/gearman-java/+question/218865
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String inUuid = null;
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for (Map.Entry<String, String> entry : inParams.entrySet()) {
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if (entry.getKey().equals("uuid")) {
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inUuid = entry.getValue();
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break;
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}
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}
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// Cancel jenkins jobs that contain matching uuid from client
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boolean canceled = cancelBuild(inUuid);
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GearmanJobResult gjr = new GearmanJobResultImpl(this.jobHandle, true,
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decoded.toString().getBytes(), new byte[0], new byte[0], 0, 0);
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return gjr;
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}
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/**
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* Function to cancel a jenkins build from the jenkins queue
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*
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* @param id
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* The build Id
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* @return
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* true if build was cancel, otherwise false
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*/
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private boolean cancelBuild (String id) {
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// Cancel jenkins job from the jenkins queue
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Queue queue = Jenkins.getInstance().getQueue();
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if (id.isEmpty() || id == null){ // error checking
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return false;
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}
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if (queue.isEmpty()) { // do nothing if queue is empty
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return false;
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}
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Queue.Item[] qItems = queue.getItems();
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for (Queue.Item qi : qItems) {
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List<NodeParametersAction> actions = qi
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.getActions(NodeParametersAction.class);
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for (NodeParametersAction gpa : actions) {
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String jenkinsJobId = gpa.getUuid();
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if (jenkinsJobId.equals(id)) {
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logger.info("---- Cancelling Jenkins build " + jenkinsJobId
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+ " -------");
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return queue.cancel(qi);
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}
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}
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}
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return false;
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}
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/**
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* Function to abort a running jenkins build
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*
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* @param id
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* The build Id
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* @return
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* true if build was aborted, otherwise false
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*/
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private boolean abortBuild (String id) {
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if (id.isEmpty() || id == null){ // error checking
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return false;
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}
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/*
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* iterate over the executors on all the nodes then find the build
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* on that executor with the specified id.
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*
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* I'm able to iterate across the executors but not able to get
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* the build object from the executor to lookup the id parameter value
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*/
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// abort running jenkins job
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List<Node> nodes = Jenkins.getInstance().getNodes();
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if (nodes.isEmpty()) {
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return false;
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}
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for (Node node: nodes){
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Computer computer = node.toComputer();
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if (computer.isIdle()) { // ignore all idle slaves
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continue;
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}
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List<Executor> executors = computer.getExecutors();
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for (Executor executor: executors) {
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if (executor.isIdle()) {
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continue;
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}
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// lookup the running build with the id
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Executable executable = executor.getCurrentExecutable();
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SubTask subtask = executable.getParent();
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Label label = subtask.getAssignedLabel();
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List<NodeParametersAction> params = label.getActions(NodeParametersAction.class);
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for (NodeParametersAction param: params){
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if (param.getUuid().equals(id)){
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executor.interrupt();
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if (executor.interrupted()){
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return true;
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}
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}
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}
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}
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}
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return false;
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}
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}
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