/*******************************************************************************
*
* Copyright (c) 2004-2009 Oracle Corporation.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*
* Kohsuke Kawaguchi
*
*
*******************************************************************************/
package hudson.model;
import hudson.FilePath;
import hudson.Util;
import hudson.Extension;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.io.Serializable;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import org.eclipse.hudson.security.team.TeamManager;
/**
* Clean up old left-over workspaces from slaves.
*
* @author Kohsuke Kawaguchi
*/
@Extension
public class WorkspaceCleanupThread extends AsyncPeriodicWork {
private static WorkspaceCleanupThread theInstance;
public WorkspaceCleanupThread() {
super("Workspace clean-up");
theInstance = this;
}
public long getRecurrencePeriod() {
return DAY;
}
public static void invoke() {
theInstance.run();
}
// so that this can be easily accessed from sub-routine.
private TaskListener listener;
protected void execute(TaskListener listener) throws InterruptedException, IOException {
try {
if (disabled) {
LOGGER.fine("Disabled. Skipping execution");
return;
}
this.listener = listener;
Hudson h = Hudson.getInstance();
for (Node n : h.getNodes()) {
if (n instanceof Slave) {
process((Slave) n);
}
}
process(h);
} finally {
this.listener = null;
}
}
private void process(Hudson h) throws IOException, InterruptedException {
File[] jobsRootDirs = Hudson.getInstance().getTeamManager().getJobsRootFolders();
if (jobsRootDirs == null) {
return;
}
for (File dir : jobsRootDirs) {
FilePath ws = new FilePath(new File(dir, "workspace"));
if (shouldBeDeleted(dir.getName(), ws, h)) {
delete(ws);
}
}
}
private boolean shouldBeDeleted(String jobName, FilePath dir, Node n) throws IOException, InterruptedException {
// TODO: the use of remoting is not optimal.
// One remoting can execute "exists", "lastModified", and "delete" all at once.
TopLevelItem item = Hudson.getInstance().getItem(jobName);
if (item == null) {
//bug fix https://bugs.eclipse.org/bugs/show_bug.cgi?id=434000
// Workspace directories for concurrent jobs removed before build completion
// Since _<number> is added to job name, it has to be stripped before checking
int index = jobName.lastIndexOf("_");
if (index > 0) {
jobName = jobName.substring(0, index);
item = Hudson.getInstance().getItem(jobName);
if (item == null) {
// no such project anymore
LOGGER.fine("Directory " + dir + " is not owned by any project");
return true;
}
} else {
// no such project anymore
LOGGER.fine("Directory " + dir + " is not owned by any project");
return true;
}
}
if (!dir.exists()) {
return false;
}
// if younger than a month, keep it
long now = new Date().getTime();
if (dir.lastModified() + 30 * DAY > now) {
LOGGER.fine("Directory " + dir + " is only " + Util.getTimeSpanString(now - dir.lastModified()) + " old, so not deleting");
return false;
}
if (item instanceof AbstractProject) {
AbstractProject p = (AbstractProject) item;
Node lb = p.getLastBuiltOn();
LOGGER.finer("Directory " + dir + " is last built on " + lb);
if (lb != null && lb.equals(n)) {
// this is the active workspace. keep it.
LOGGER.fine("Directory " + dir + " is the last workspace for " + p);
return false;
}
if (!p.getScm().processWorkspaceBeforeDeletion(p, dir, n)) {
LOGGER.fine("Directory deletion of " + dir + " is vetoed by SCM");
return false;
}
}
LOGGER.finer("Going to delete directory " + dir);
return true;
}
private void process(Slave s) throws InterruptedException {
listener.getLogger().println("Scanning " + s.getNodeName());
try {
FilePath path = s.getWorkspaceRoot();
if (path == null) {
return;
}
List<FilePath> dirs = path.list(DIR_FILTER);
if (dirs == null) {
return;
}
for (FilePath dir : dirs) {
if (shouldBeDeleted(dir.getName(), dir, s)) {
delete(dir);
}
}
} catch (IOException e) {
e.printStackTrace(listener.error("Failed on " + s.getNodeName()));
}
}
private void delete(FilePath dir) throws InterruptedException {
try {
listener.getLogger().println("Deleting " + dir);
dir.deleteRecursive();
} catch (IOException e) {
e.printStackTrace(listener.error("Failed to delete " + dir));
}
}
private static class DirectoryFilter implements FileFilter, Serializable {
public boolean accept(File f) {
return f.isDirectory();
}
private static final long serialVersionUID = 1L;
}
private static final FileFilter DIR_FILTER = new DirectoryFilter();
private static final long DAY = 1000 * 60 * 60 * 24;
private static final Logger LOGGER = Logger.getLogger(WorkspaceCleanupThread.class.getName());
/**
* Can be used to disable workspace clean up.
*/
public static boolean disabled = Boolean.getBoolean(WorkspaceCleanupThread.class.getName() + ".disabled");
}