TerminateInstanceTask.groovy
001 /*
002  * SPDX-License-Identifier: Apache-2.0
003  *
004  * Copyright 2019-2022 Andres Almiray.
005  *
006  * Licensed under the Apache License, Version 2.0 (the "License");
007  * you may not use this file except in compliance with the License.
008  * You may obtain a copy of the License at
009  *
010  *     http://www.apache.org/licenses/LICENSE-2.0
011  *
012  * Unless required by applicable law or agreed to in writing, software
013  * distributed under the License is distributed on an "AS IS" BASIS,
014  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015  * See the License for the specific language governing permissions and
016  * limitations under the License.
017  */
018 package org.kordamp.gradle.plugin.oci.tasks.instance
019 
020 import com.oracle.bmc.core.ComputeClient
021 import com.oracle.bmc.core.model.Instance
022 import com.oracle.bmc.core.requests.GetInstanceRequest
023 import com.oracle.bmc.core.requests.ListInstancesRequest
024 import com.oracle.bmc.core.requests.TerminateInstanceRequest
025 import groovy.transform.CompileStatic
026 import org.kordamp.gradle.plugin.oci.tasks.AbstractOCITask
027 import org.kordamp.gradle.plugin.oci.tasks.interfaces.OCITask
028 import org.kordamp.gradle.plugin.oci.tasks.traits.CompartmentIdAwareTrait
029 import org.kordamp.gradle.plugin.oci.tasks.traits.OptionalInstanceIdAwareTrait
030 import org.kordamp.gradle.plugin.oci.tasks.traits.OptionalInstanceNameAwareTrait
031 import org.kordamp.gradle.plugin.oci.tasks.traits.RegexAwareTrait
032 import org.kordamp.gradle.plugin.oci.tasks.traits.WaitForCompletionAwareTrait
033 import org.kordamp.jipsy.annotations.TypeProviderFor
034 
035 import static org.kordamp.gradle.util.StringUtils.isBlank
036 import static org.kordamp.gradle.util.StringUtils.isNotBlank
037 
038 /**
039  @author Andres Almiray
040  @since 0.1.0
041  */
042 @CompileStatic
043 @TypeProviderFor(OCITask)
044 class TerminateInstanceTask extends AbstractOCITask implements CompartmentIdAwareTrait,
045     OptionalInstanceIdAwareTrait,
046     OptionalInstanceNameAwareTrait,
047     RegexAwareTrait,
048     WaitForCompletionAwareTrait {
049     static final String TASK_DESCRIPTION = 'Terminates an Instance.'
050 
051     @Override
052     protected void doExecuteTask() {
053         validateInstanceId()
054 
055         if (isBlank(getResolvedInstanceId().orNull&& isBlank(getResolvedInstanceName().orNull)) {
056             throw new IllegalStateException("Missing value for either 'instanceId' or 'instanceName' in $path")
057         }
058 
059         ComputeClient client = createComputeClient()
060 
061         // TODO: check if instance exists
062         // TODO: check is instance is in a 'deletable' state
063 
064         if (isNotBlank(getResolvedInstanceId().orNull)) {
065             Instance instance = client.getInstance(GetInstanceRequest.builder()
066                 .instanceId(getResolvedInstanceId().get())
067                 .build())
068                 .instance
069 
070             if (instance) {
071                 setInstanceName(instance.displayName)
072                 terminateInstance(client, instance)
073             }
074         else {
075             validateCompartmentId()
076 
077             if (getResolvedRegex().getOrElse(false)) {
078                 client.listInstances(ListInstancesRequest.builder()
079                     .compartmentId(getResolvedCompartmentId().get())
080                     .displayName(getResolvedInstanceName().get())
081                     .build())
082                     .items.each instance ->
083                     setInstanceId(instance.id)
084                     terminateInstance(client, instance)
085                 }
086             else {
087                 final String instanceNameRegex = getResolvedInstanceName().get()
088                 client.listInstances(ListInstancesRequest.builder()
089                     .compartmentId(getResolvedCompartmentId().get())
090                     .build())
091                     .items.each instance ->
092                     if (instance.displayName.matches(instanceNameRegex)) {
093                         setInstanceId(instance.id)
094                         terminateInstance(client, instance)
095                     }
096                 }
097             }
098         }
099     }
100 
101     private void terminateInstance(ComputeClient client, Instance instance) {
102         println("Terminating Instance '${instance.displayName}' with id ${instance.id}")
103         client.terminateInstance(TerminateInstanceRequest.builder()
104             .instanceId(instance.id)
105             .build())
106 
107         if (getResolvedWaitForCompletion().get()) {
108             println("Waiting for Instance to be ${state('Terminated')}")
109             client.waiters
110                 .forInstance(GetInstanceRequest.builder()
111                     .instanceId(instance.id).build(),
112                     Instance.LifecycleState.Terminated)
113                 .execute()
114         }
115     }
116 }