docker - gradle docker plugin bmuschko将build.gradle分成两个文件会产生错误

Question

我是使用gradle脚本的新手。我有一个build.gradle文件，我想分成两个文件。分割较大的build.gradle文件后，会得到以下两个文件。

build.gradle

buildscript {
    ext {
        springBootVersion = '1.5.12.RELEASE'
        gradleDockerVersion = '3.2.7'
    }
    repositories {
        jcenter()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
        classpath("com.bmuschko:gradle-docker-plugin:${gradleDockerVersion}")
    }
}

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'

jar {
    baseName = 'gs-spring-boot'
    version =  '0.1.0'
}

repositories {
    mavenCentral()
}

sourceCompatibility = 1.8
targetCompatibility = 1.8
compileJava.options.encoding = 'UTF-8'

dependencies {
    compile("org.springframework.boot:spring-boot-starter-web")
    testCompile("junit:junit")
}
project.ext.imageName = 'myImage'
project.ext.tagName ='myTag'
project.ext.jarName = (jar.baseName + '-' + jar.version).toLowerCase()

apply from: 'dockerapp.gradle'

dockerapp.gradle

def gradleDockerVersion = '3.7.2'
buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath("com.bmuschko:gradle-docker-plugin:${gradleDockerVersion}")
    }
}

apply plugin: 'com.bmuschko.docker-remote-api'

import com.bmuschko.gradle.docker.tasks.image.DockerBuildImage
import com.bmuschko.gradle.docker.tasks.image.DockerRemoveImage
import com.bmuschko.gradle.docker.tasks.image.Dockerfile

def imageName = project.ext.imageName
def tagName = project.ext.tagName
def jarName = project.ext.jarName

task createAppDockerfile(type: Dockerfile) {
    // Don't create dockerfile if file already exists
    onlyIf { !project.file('Dockerfile').exists() }
    group 'Docker'
    description 'Generate docker file for the application'
    dependsOn bootRepackage
    destFile = project.file('Dockerfile')
    String dockerProjFolder = project.projectDir.name
    from 'openjdk:8-jre-slim'
    runCommand("mkdir -p /app/springboot/${dockerProjFolder} && mkdir -p /app/springboot/${dockerProjFolder}/conf")
    addFile("./build/libs/${jarName}.jar", "/app/springboot/${dockerProjFolder}/")
    environmentVariable('CATALINA_BASE', "/app/springboot/${dockerProjFolder}")
    environmentVariable('CATALINA_HOME', "/app/springboot/${dockerProjFolder}")
    workingDir("/app/springboot/${dockerProjFolder}")
    if (System.properties.containsKey('debug')) {
        entryPoint('java', '-Xdebug', '-Xrunjdwp:server=y,transport=dt_socket,address=5005,suspend=n', '-jar', "/app/springboot/${dockerProjFolder}/${jarName}.jar")
    } else {
        entryPoint('java', '-jar', "/app/springboot/${dockerProjFolder}/${jarName}.jar")
    }
}

task removeAppImage(type: DockerRemoveImage) {
    group 'Docker'
    description 'Remove the docker image using force'
    force = true
    targetImageId { imageName }
    onError { exception ->
        if (exception.message.contains('No such image')) {
            println 'Docker image not found for the current project.'
        }
    }
}

task createAppImage(type: DockerBuildImage) {
    group 'Docker'
    description 'Executes bootRepackage, generates a docker file and builds image from it'
    dependsOn(createAppDockerfile, removeAppImage)
    dockerFile = createAppDockerfile.destFile
    inputDir = dockerFile.parentFile
    if (tagName)
        tag = "${tagName}"
    else if (imageName)
        tag = "${imageName}"
    else
        tag = "${jarName}"
}

如果我尝试运行 ./gradlew createAppImage命令，则会收到如下错误:



dockerapp.gradle文件中的其他两个任务似乎可以正常工作。如果我将所有代码都放在build.gradle文件中，它将正常工作而不会出现任何错误。拆分文件并执行createAppImage而不出错的最佳方法是什么？

Answer 1

我能够在CDancy(插件的维护者)的帮助下解决此问题，如下所示:

build.gradle

buildscript {
    ext {
        springBootVersion = '1.5.12.RELEASE'
        gradleDockerVersion = '3.2.7'
    }
    repositories {
        jcenter()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
        classpath("com.bmuschko:gradle-docker-plugin:${gradleDockerVersion}")
    }
}    

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'    

jar {
    baseName = 'gs-spring-boot'
    version =  '0.1.0'
}    

repositories {
    mavenCentral()
}    

sourceCompatibility = 1.8
targetCompatibility = 1.8
compileJava.options.encoding = 'UTF-8'    

dependencies {
    compile("org.springframework.boot:spring-boot-starter-web")
    testCompile("junit:junit")
}
project.ext.imageName = 'myimage'
project.ext.tagName ='mytag'
project.ext.jarName = (jar.baseName + '-' + jar.version).toLowerCase()    

apply from: 'docker.gradle'

docker.gradle

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.bmuschko:gradle-docker-plugin:3.2.7'
    }
}
repositories {
    jcenter()
}
// use fully qualified class name
apply plugin: com.bmuschko.gradle.docker.DockerRemoteApiPlugin    

// import task classes
import com.bmuschko.gradle.docker.tasks.image.*    

def imageName = project.ext.imageName
def tagName = project.ext.tagName
def jarName = project.ext.jarName    

task createAppDockerfile(type: Dockerfile) {
    // Don't create dockerfile if file already exists
    onlyIf { !project.file('Dockerfile').exists() }
    group 'Docker'
    description 'Generate docker file for the application'
    dependsOn bootRepackage
    destFile = project.file('Dockerfile')
    String dockerProjFolder = project.projectDir.name
    from 'openjdk:8-jre-slim'
    runCommand("mkdir -p /app/springboot/${dockerProjFolder} && mkdir -p /app/springboot/${dockerProjFolder}/conf")
    addFile("./build/libs/${jarName}.jar", "/app/springboot/${dockerProjFolder}/")
    environmentVariable('CATALINA_BASE', "/app/springboot/${dockerProjFolder}")
    environmentVariable('CATALINA_HOME', "/app/springboot/${dockerProjFolder}")
    workingDir("/app/springboot/${dockerProjFolder}")
    if (System.properties.containsKey('debug')) {
        entryPoint('java', '-Xdebug', '-Xrunjdwp:server=y,transport=dt_socket,address=5005,suspend=n', '-jar', "/app/springboot/${dockerProjFolder}/${jarName}.jar")
    } else {
        entryPoint('java', '-jar', "/app/springboot/${dockerProjFolder}/${jarName}.jar")
    }
}    

task removeAppImage(type: DockerRemoveImage) {
    group 'Docker'
    description 'Remove the docker image using force'
    force = true
    targetImageId { imageName }
    onError { exception ->
        if (exception.message.contains('No such image')) {
            println 'Docker image not found for the current project.'
        } else {
            print exception
        }
    }
}    

task createAppImage(type: DockerBuildImage) {
    group 'Docker'
    description 'Executes bootRepackage, generates a docker file and builds image from it'
    dependsOn(createAppDockerfile, removeAppImage)
    dockerFile = createAppDockerfile.destFile
    inputDir = dockerFile.parentFile
    if (tagName)
        tag = "${tagName}"
    else if (imageName)
        tag = "${imageName}"
    else
        tag = "${jarName}"
}

更改基本上在我的docker.gradle文件中，我必须添加指向 jcenter()的存储库部分并使用完全限定的插件类名称。