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Merge pull request #7 from IntershopCommunicationsAG/addtasks
Addtasks
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117
src/main/kotlin/com/intershop/gradle/icm/docker/tasks/APullImage.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,117 @@ | ||
| /* | ||
| * Copyright 2020 Intershop Communications AG. | ||
| * | ||
| * 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 com.intershop.gradle.icm.docker.tasks | ||
|
|
||
| import com.bmuschko.gradle.docker.DockerRegistryCredentials | ||
| import com.bmuschko.gradle.docker.tasks.AbstractDockerRemoteApiTask | ||
| import com.bmuschko.gradle.docker.tasks.RegistryCredentialsAware | ||
| import com.github.dockerjava.api.command.PullImageResultCallback | ||
| import com.github.dockerjava.api.model.PullResponseItem | ||
| import groovy.lang.Closure | ||
| import org.gradle.api.Action | ||
| import org.gradle.api.model.ObjectFactory | ||
| import org.gradle.api.provider.Property | ||
| import org.gradle.api.tasks.Input | ||
| import org.gradle.api.tasks.options.Option | ||
| import org.gradle.util.ConfigureUtil | ||
| import javax.inject.Inject | ||
|
|
||
| abstract class APullImage | ||
| @Inject constructor(objectFactory: ObjectFactory) : AbstractDockerRemoteApiTask(), RegistryCredentialsAware { | ||
|
|
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| private val registryCredentials: DockerRegistryCredentials = | ||
| objectFactory.newInstance(DockerRegistryCredentials::class.java) | ||
|
|
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| @get:Input | ||
| abstract val image: Property<String> | ||
|
|
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| /** | ||
| * The target Docker registry credentials for usage with a task. | ||
| */ | ||
| override fun getRegistryCredentials(): DockerRegistryCredentials { | ||
| return registryCredentials | ||
| } | ||
|
|
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| /** | ||
| * Configures the target Docker registry credentials for use with a task. | ||
| * | ||
| * action | ||
| * 6.0.0 | ||
| */ | ||
| override fun registryCredentials(action: Action<in DockerRegistryCredentials>?) { | ||
| action!!.execute(registryCredentials) | ||
| } | ||
|
|
||
| /** | ||
| * Set the credentials for the task. | ||
| * | ||
| * @param c closure with Docker registry credentials. | ||
| */ | ||
| fun registryCredentials(c: Closure<DockerRegistryCredentials>) { | ||
| ConfigureUtil.configure(c, registryCredentials) | ||
| } | ||
|
|
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| @get:Option(option = "forcePull", description = "Call pull always also if the image is available.") | ||
| @get:Input | ||
| val force: Property<Boolean> = objectFactory.property(Boolean::class.java) | ||
|
|
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| init { | ||
| force.set(false) | ||
| } | ||
|
|
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| /** | ||
| * Executes the remote Docker command. | ||
| */ | ||
| override fun runRemoteCommand() { | ||
| with(project) { | ||
| logger.quiet("Pulling image '${image.get()}'.") | ||
|
|
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| var pull = true | ||
|
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| if(! force.get()) { | ||
| val listImagesCmd = dockerClient.listImagesCmd() | ||
| listImagesCmd.withImageNameFilter(image.get()) | ||
| val images = listImagesCmd.exec() | ||
| pull = images.size < 1 | ||
| } | ||
|
|
||
| if(pull) { | ||
| val pullImageCmd = dockerClient.pullImageCmd(image.get()) | ||
| val authConfig = registryAuthLocator.lookupAuthConfig(image.get(), registryCredentials) | ||
| pullImageCmd.withAuthConfig(authConfig) | ||
| val callback = createCallback(nextHandler) | ||
| pullImageCmd.exec(callback).awaitCompletion() | ||
| } | ||
| } | ||
| } | ||
|
|
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| private fun createCallback(action: Action<in PullResponseItem>?): PullImageResultCallback { | ||
| return object: PullImageResultCallback() { | ||
| override fun onNext(item: PullResponseItem) { | ||
| if (action != null) { | ||
| try { | ||
| action.execute(item) | ||
| } catch ( e: Exception) { | ||
| logger.error("Failed to handle pull response", e) | ||
| return | ||
| } | ||
| } | ||
| super.onNext(item) | ||
| } | ||
| } | ||
| } | ||
| } |
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