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Bump testcontainers from 1.8.3 to 1.15.2 #33

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4 changes: 2 additions & 2 deletions pom.xml
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ THE SOFTWARE.
</parent>

<artifactId>ec2</artifactId>
<version>${revision}${changelist}</version>
<version>${revision}-oc${changelist}</version>
<packaging>hpi</packaging>

<name>Amazon EC2 plugin</name>
Expand Down Expand Up @@ -244,7 +244,7 @@ THE SOFTWARE.
<dependency>
<groupId>org.testcontainers</groupId>
<artifactId>testcontainers</artifactId>
<version>1.8.3</version>
<version>1.15.2</version>
<scope>test</scope>
<exclusions>
<exclusion>
Expand Down
28 changes: 26 additions & 2 deletions src/main/java/hudson/plugins/ec2/EC2RetentionStrategy.java
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@
import hudson.model.ExecutorListener;
import hudson.model.Queue;
import hudson.plugins.ec2.util.MinimumInstanceChecker;
import hudson.model.Label;
import hudson.slaves.RetentionStrategy;
import jenkins.model.Jenkins;

Expand Down Expand Up @@ -191,7 +192,8 @@ private long internalCheck(EC2Computer computer) {
// TODO: really think about the right strategy here, see
// JENKINS-23792

if (idleMilliseconds > TimeUnit.MINUTES.toMillis(idleTerminationMinutes)) {
if (idleMilliseconds > TimeUnit.MINUTES.toMillis(idleTerminationMinutes) &&
!itemsInQueueForThisSlave(computer)){

LOGGER.info("Idle timeout of " + computer.getName() + " after "
+ TimeUnit.MILLISECONDS.toMinutes(idleMilliseconds) +
Expand All @@ -210,7 +212,7 @@ private long internalCheck(EC2Computer computer) {
// if we have less "free" (aka already paid for) time left than
// our idle time, stop/terminate the instance
// See JENKINS-23821
if (freeSecondsLeft <= TimeUnit.MINUTES.toSeconds(Math.abs(idleTerminationMinutes))) {
if (freeSecondsLeft <= TimeUnit.MINUTES.toSeconds(Math.abs(idleTerminationMinutes)) && !itemsInQueueForThisSlave(computer)) {
LOGGER.info("Idle timeout of " + computer.getName() + " after "
+ TimeUnit.MILLISECONDS.toMinutes(idleMilliseconds) + " idle minutes, with "
+ TimeUnit.SECONDS.toMinutes(freeSecondsLeft)
Expand All @@ -225,6 +227,28 @@ private long internalCheck(EC2Computer computer) {
return 1;
}

/*
* Checks if there are any items in the queue that are waiting for this node explicitly.
* This prevents a node from being taken offline while there are Ivy/Maven Modules waiting to build.
* Need to check entire queue as some modules may be blocked by upstream dependencies.
* Accessing the queue in this way can block other threads, so only perform this check just prior
* to timing out the slave.
*/
private boolean itemsInQueueForThisSlave(EC2Computer c) {
final Label selfLabel = c.getNode().getSelfLabel();
Queue.Item[] items = Jenkins.getInstance().getQueue().getItems();
for (int i = 0; i < items.length; i++) {
Queue.Item item = items[i];
final Label assignedLabel = item.getAssignedLabel();
if (assignedLabel == selfLabel) {
LOGGER.fine("Preventing idle timeout of " + c.getName()
+ " as there is at least one item in the queue explicitly waiting for this slave");
return true;
}
}
return false;
}

/**
* Called when a new {@link EC2Computer} object is introduced (such as when Hudson started, or when
* a new agent is added.)
Expand Down
114 changes: 114 additions & 0 deletions src/test/java/hudson/plugins/ec2/EC2RetentionStrategyTest.java
Original file line number Diff line number Diff line change
Expand Up @@ -7,20 +7,33 @@
import hudson.plugins.ec2.util.MinimumInstanceChecker;
import hudson.plugins.ec2.util.MinimumNumberOfInstancesTimeRangeConfig;
import hudson.plugins.ec2.util.PrivateKeyHelper;
import hudson.security.ACL;
import hudson.security.AccessControlled;
import hudson.security.Permission;
import hudson.slaves.NodeProperty;
import hudson.model.Executor;
import hudson.model.Node;
import hudson.model.Label;
import hudson.model.Queue;
import hudson.model.ResourceList;
import hudson.model.Queue.Executable;
import hudson.model.Queue.Task;
import hudson.model.queue.CauseOfBlockage;

import net.sf.json.JSONObject;
import org.acegisecurity.Authentication;
import org.junit.Rule;
import org.junit.Test;
import org.jvnet.hudson.test.JenkinsRule;
import jenkins.model.Jenkins;

import javax.annotation.Nonnull;
import java.time.Clock;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.Month;
import java.time.ZoneId;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
Expand All @@ -30,6 +43,7 @@
import java.util.stream.Collectors;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class EC2RetentionStrategyTest {
Expand Down Expand Up @@ -67,6 +81,106 @@ public void testOnBillingHourRetention() throws Exception {
}
}

@Test
public void testRetentionWhenQueueHasWaitingItemForThisNode() throws Exception {
EC2RetentionStrategy rs = new EC2RetentionStrategy("-2");
EC2Computer computer = computerWithIdleTime(59, 0);
final Label selfLabel = computer.getNode().getSelfLabel();
final Queue queue = Jenkins.get().getQueue();
final Task task = taskForLabel(selfLabel, false);
queue.schedule(task, 500);
checkRetentionStrategy(rs, computer);
assertFalse("Expected computer to be left running", idleTimeoutCalled.get());
queue.cancel(task);
EC2RetentionStrategy rs2 = new EC2RetentionStrategy("-2");
checkRetentionStrategy(rs2, computer);
assertTrue("Expected computer to be idled", idleTimeoutCalled.get());
}

@Test
public void testRetentionWhenQueueHasBlockedItemForThisNode() throws Exception {
EC2RetentionStrategy rs = new EC2RetentionStrategy("-2");
EC2Computer computer = computerWithIdleTime(59, 0);
final Label selfLabel = computer.getNode().getSelfLabel();
final Queue queue = Jenkins.get().getQueue();
final Task task = taskForLabel(selfLabel, true);
queue.schedule(task, 0);
checkRetentionStrategy(rs, computer);
assertFalse("Expected computer to be left running", idleTimeoutCalled.get());
queue.cancel(task);
EC2RetentionStrategy rs2 = new EC2RetentionStrategy("-2");
checkRetentionStrategy(rs2, computer);
assertTrue("Expected computer to be idled", idleTimeoutCalled.get());
}

private interface AccessControlledTask extends Queue.Task, AccessControlled {
}

private Queue.Task taskForLabel(final Label label, boolean blocked) {
final CauseOfBlockage cob = blocked ? new CauseOfBlockage() {
@Override
public String getShortDescription() {
return "Blocked";
}
} : null;
return new AccessControlledTask() {
@Nonnull
public ACL getACL() {
return new ACL() {
public boolean hasPermission(@Nonnull Authentication a, @Nonnull Permission permission) {
return true;
}
};
}
public ResourceList getResourceList() {
return null;
}

public Node getLastBuiltOn() {
return null;
}

public long getEstimatedDuration() {
return -1;
}

public Label getAssignedLabel() {
return label;
}

public Executable createExecutable() {
return null;
}

public String getDisplayName() {
return null;
}

@Override
public CauseOfBlockage getCauseOfBlockage() {
return cob;
}

public boolean hasAbortPermission() {
return false;
}

public String getUrl() {
return null;
}

public String getName() {
return null;
}

public String getFullDisplayName() {
return null;
}

public void checkAbortPermission() {
}
};
}
private EC2Computer computerWithIdleTime(final int minutes, final int seconds) throws Exception {
final EC2AbstractSlave slave = new EC2AbstractSlave("name", "id", "description", "fs", 1, null, "label", null, null, "init", "tmpDir", new ArrayList<NodeProperty<?>>(), "remote", "jvm", false, "idle", null, "cloud", false, Integer.MAX_VALUE, null, ConnectionStrategy.PRIVATE_IP, -1) {
@Override
Expand Down