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Add option to shutdown idle agent just before billing hour completes
Implements #30
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31 changes: 31 additions & 0 deletions
31
src/main/java/cloud/dnation/jenkins/plugins/hetzner/shutdown/AbstractShutdownPolicy.java
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|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| /* | ||
| * Copyright 2022 https://dnation.cloud | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package cloud.dnation.jenkins.plugins.hetzner.shutdown; | ||
|
|
||
| import hudson.model.AbstractDescribableImpl; | ||
| import hudson.slaves.AbstractCloudComputer; | ||
| import hudson.slaves.RetentionStrategy; | ||
| import lombok.Getter; | ||
|
|
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| @SuppressWarnings("rawtypes") | ||
| public abstract class AbstractShutdownPolicy extends AbstractDescribableImpl<AbstractShutdownPolicy> { | ||
| @Getter | ||
| protected final transient RetentionStrategy<AbstractCloudComputer> retentionStrategy; | ||
|
|
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| protected AbstractShutdownPolicy(RetentionStrategy<AbstractCloudComputer> strategy) { | ||
| this.retentionStrategy = strategy; | ||
| } | ||
| } |
80 changes: 80 additions & 0 deletions
80
src/main/java/cloud/dnation/jenkins/plugins/hetzner/shutdown/BeforeHourWrapsPolicy.java
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| /* | ||
| * Copyright 2022 https://dnation.cloud | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package cloud.dnation.jenkins.plugins.hetzner.shutdown; | ||
|
|
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| import cloud.dnation.jenkins.plugins.hetzner.Helper; | ||
| import cloud.dnation.jenkins.plugins.hetzner.HetznerServerAgent; | ||
| import cloud.dnation.jenkins.plugins.hetzner.Messages; | ||
| import edu.umd.cs.findbugs.annotations.NonNull; | ||
| import hudson.Extension; | ||
| import hudson.model.Descriptor; | ||
| import hudson.slaves.AbstractCloudComputer; | ||
| import hudson.slaves.RetentionStrategy; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import net.jcip.annotations.GuardedBy; | ||
| import org.jenkinsci.Symbol; | ||
| import org.kohsuke.stapler.DataBoundConstructor; | ||
|
|
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| import java.io.IOException; | ||
| import java.time.LocalDateTime; | ||
|
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| @Slf4j | ||
| public class BeforeHourWrapsPolicy extends AbstractShutdownPolicy { | ||
| @SuppressWarnings("rawtypes") | ||
| private static final RetentionStrategy<AbstractCloudComputer> STRATEGY_SINGLETON = new RetentionStrategyImpl(); | ||
|
|
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| @DataBoundConstructor | ||
| public BeforeHourWrapsPolicy() { | ||
| super(STRATEGY_SINGLETON); | ||
| } | ||
|
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|
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| @SuppressWarnings("rawtypes") | ||
| private static class RetentionStrategyImpl extends RetentionStrategy<AbstractCloudComputer> { | ||
| @Override | ||
| public void start(AbstractCloudComputer c) { | ||
| c.connect(false); | ||
| } | ||
|
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| @Override | ||
| @GuardedBy("hudson.model.Queue.lock") | ||
| public long check(final AbstractCloudComputer c) { | ||
| final HetznerServerAgent agent = (HetznerServerAgent) c.getNode(); | ||
| if (c.isIdle() && agent != null && agent.getServerInstance() != null) { | ||
| if (Helper.canShutdownServer(agent.getServerInstance().getServerDetail().getCreated(), | ||
| LocalDateTime.now().getMinute())) { | ||
| log.info("Disconnecting {}", c.getName()); | ||
| try { | ||
| agent.terminate(); | ||
| } catch (InterruptedException | IOException e) { | ||
| log.warn("Failed to terminate {}", c.getName(), e); | ||
| } | ||
| } | ||
| } | ||
| return 1; | ||
| } | ||
| } | ||
|
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| @Extension | ||
| @Symbol("hour-wrap") | ||
| public static final class DescriptorImpl extends Descriptor<AbstractShutdownPolicy> { | ||
| @NonNull | ||
| @Override | ||
| public String getDisplayName() { | ||
| return Messages.policy_shutdown_beforeHourWrap(); | ||
| } | ||
| } | ||
| } |
46 changes: 46 additions & 0 deletions
46
src/main/java/cloud/dnation/jenkins/plugins/hetzner/shutdown/IdlePeriodPolicy.java
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| /* | ||
| * Copyright 2022 https://dnation.cloud | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package cloud.dnation.jenkins.plugins.hetzner.shutdown; | ||
|
|
||
| import cloud.dnation.jenkins.plugins.hetzner.Messages; | ||
| import edu.umd.cs.findbugs.annotations.NonNull; | ||
| import hudson.Extension; | ||
| import hudson.model.Descriptor; | ||
| import hudson.slaves.CloudRetentionStrategy; | ||
| import lombok.Getter; | ||
| import org.jenkinsci.Symbol; | ||
| import org.kohsuke.stapler.DataBoundConstructor; | ||
|
|
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| public class IdlePeriodPolicy extends AbstractShutdownPolicy { | ||
| @Getter | ||
| private final int idleMinutes; | ||
|
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| @DataBoundConstructor | ||
| public IdlePeriodPolicy(int idleMinutes) { | ||
| super(new CloudRetentionStrategy(idleMinutes)); | ||
| this.idleMinutes = idleMinutes; | ||
| } | ||
|
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| @Extension | ||
| @Symbol("idle") | ||
| public static final class DescriptorImpl extends Descriptor<AbstractShutdownPolicy> { | ||
| @NonNull | ||
| @Override | ||
| public String getDisplayName() { | ||
| return Messages.policy_shutdown_idle(); | ||
| } | ||
| } | ||
| } |
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19 changes: 19 additions & 0 deletions
19
.../resources/cloud/dnation/jenkins/plugins/hetzner/shutdown/BeforeHourWrapsPolicy/helm.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| <!-- | ||
| Copyright 2022 https://dnation.cloud | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| --> | ||
| <div> | ||
| Server will be kept alive until current hour of billing cycle completes. | ||
| Make sure that Jenkins controller's clock are configured correctly as skew may lead to 1 hour over-billing. | ||
| </div> |
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