180 lines
7.0 KiB
Java
180 lines
7.0 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.AbstractProject;
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import hudson.model.Computer;
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import hudson.model.Label;
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import hudson.model.labels.LabelAtom;
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import hudson.model.Node;
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import hudson.model.Node.Mode;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Scanner;
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import java.util.Set;
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import jenkins.model.Jenkins;
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import org.gearman.worker.GearmanFunctionFactory;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/*
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* This is the thread to run gearman executors
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* Executors are used to initiate jenkins builds
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*
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* @author Khai Do
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*
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*/
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public class ExecutorWorkerThread extends AbstractWorkerThread{
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private static final Logger logger = LoggerFactory
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.getLogger(Constants.PLUGIN_LOGGER_NAME);
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private final Computer computer;
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private final String masterName;
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private HashMap<String,GearmanFunctionFactory> functionMap;
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// constructor
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public ExecutorWorkerThread(String host, int port, String name,
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Computer computer, String masterName,
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AvailabilityMonitor availability) {
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super(host, port, name, availability);
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this.computer = computer;
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this.masterName = masterName;
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}
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@Override
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protected void initWorker() {
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availability.unlock(worker);
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super.initWorker();
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this.functionMap = new HashMap<String,GearmanFunctionFactory>();
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}
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/**
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* Register gearman functions on this computer. This will unregister all
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* functions before registering new functions. Works for free-style
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* and maven projects but does not work for multi-config projects
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*
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* How functions are registered:
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* - If the project has no label then we register the project with all
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* computers
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*
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* build:pep8 on precise-123
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* build:pep8 on oneiric-456
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*
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* - If the project contains one label then we register with the computer
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* that contains the corresponding label. Labels with '&&' is
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* considered just one label
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*
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* build:pep8:precise on precise-123
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* build:pep8 on precise-123
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* build:pep8:precise on precise-129
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* build:pep8 on precise-129
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*
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* - If the project contains multiple labels separated by '||' then
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* we register with the computers that contain the corresponding labels
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*
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* build:pep8:precise on precise-123
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* build:pep8 on precise-123
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* build:pep8:precise on precise-129
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* build:pep8 on precise-129
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* build:pep8:oneiric on oneiric-456
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* build:pep8 on oneiric-456
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* build:pep8:oneiric on oneiric-459
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* build:pep8 on oneiric-459
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*
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*/
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@Override
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public void registerJobs() {
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if (worker == null || functionMap == null) {
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// We haven't been initialized yet; the run method will call this again
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return;
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}
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HashMap<String,GearmanFunctionFactory> newFunctionMap = new HashMap<String,GearmanFunctionFactory>();
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if (!computer.isOffline()) {
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Node node = computer.getNode();
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List<AbstractProject> allProjects = Jenkins.getActiveInstance().getAllItems(AbstractProject.class);
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for (AbstractProject<?, ?> project : allProjects) {
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if (project.isDisabled()) { // ignore all disabled projects
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continue;
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}
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String projectName = project.getName();
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Label label = project.getAssignedLabel();
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if (label == null) { // project has no label -> so register
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// "build:projectName" on all non exclusive nodes
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if (node.getMode() != Mode.EXCLUSIVE) {
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String jobFunctionName = "build:" + projectName;
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newFunctionMap.put(jobFunctionName, new CustomGearmanFunctionFactory(
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jobFunctionName, StartJobWorker.class.getName(),
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project, computer, this.masterName, worker));
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}
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} else { // register "build:$projectName:$label" if this
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// node matches a node from the project label
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Set<Node> projectLabelNodes = label.getNodes();
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Set<LabelAtom> projectLabelAtoms = label.listAtoms();
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Set<LabelAtom> nodeLabelAtoms = node.getAssignedLabels();
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// Get the intersection of label atoms for the project and the current node
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Set<LabelAtom> nodeProjectLabelAtoms = new HashSet<LabelAtom>(projectLabelAtoms);
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nodeProjectLabelAtoms.retainAll(nodeLabelAtoms);
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// Register functions iff the current node is in
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// the list of nodes for the project's label
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if (projectLabelNodes.contains(node)) {
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String jobFunctionName = "build:" + projectName;
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// register without label (i.e. "build:$projectName")
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newFunctionMap.put(jobFunctionName, new CustomGearmanFunctionFactory(
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jobFunctionName, StartJobWorker.class.getName(),
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project, computer, this.masterName, worker));
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// iterate over the intersection of project and node labels
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for (LabelAtom labelAtom : nodeProjectLabelAtoms) {
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jobFunctionName = "build:" + projectName
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+ ":" + labelAtom.getDisplayName();
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// register with label (i.e. "build:$projectName:$label")
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newFunctionMap.put(jobFunctionName, new CustomGearmanFunctionFactory(
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jobFunctionName, StartJobWorker.class.getName(),
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project, computer, this.masterName, worker));
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}
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}
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}
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}
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}
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if (!newFunctionMap.keySet().equals(functionMap.keySet())) {
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functionMap = newFunctionMap;
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Set<GearmanFunctionFactory> functionSet = new HashSet<GearmanFunctionFactory>(functionMap.values());
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updateJobs(functionSet);
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}
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}
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public synchronized Computer getComputer() {
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return computer;
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}
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}
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