hudson.plugins.slave_squatter.squatters.CronSquatter Maven / Gradle / Ivy
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This plugin enables administrators to reserve executors to be used outside Hudson
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/*
* The MIT License
*
* Copyright (c) 2010, InfraDNA, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.plugins.slave_squatter.squatters;
import hudson.Extension;
import hudson.model.Computer;
import hudson.plugins.slave_squatter.SlaveSquatter;
import hudson.plugins.slave_squatter.SlaveSquatterDescriptor;
import hudson.scheduler.CronTab;
import hudson.util.FormValidation;
import org.kohsuke.stapler.DataBoundConstructor;
import org.kohsuke.stapler.QueryParameter;
import java.util.ArrayList;
import java.util.List;
/**
* Reserves a slave with a cron-like syntax that specifies the start of the reservation,
* duration, and the size of the reservation.
*
* @author Kohsuke Kawaguchi
*/
public class CronSquatter extends SlaveSquatter {
public final String format;
private transient List entries;
public static final class Entry {
public final CronTab cron;
/**
* Duration of the reservation, in milliseconds.
*/
public final long duration;
/**
* How many executors do we reserve? -1 to indicate all executors.
*/
private final int size;
public Entry(int size, CronTab cron, long duration) {
this.cron = cron;
this.duration = duration;
this.size = size;
}
public int getReservationSize(Computer c) {
if (size<0) return c.countExecutors();
return size;
}
public int sizeOfReservation(Computer c, long timestamp) {
long start = cron.floor(timestamp).getTimeInMillis();
if (start<=timestamp && timestamp parseFormat(String format) {
List entries = new ArrayList();
int lineNumber = 0;
for (String line : format.split("\\r?\\n")) {
lineNumber++;
line = line.trim();
if(line.length()==0 || line.startsWith("#"))
continue; // ignorable line
String[] tokens = line.split(":");
if (tokens.length!=3)
throw new IllegalArgumentException("3 tokens separated by ':' are expected, but found "+tokens.length+" in "+line);
for (int i=0; i