docker.gradle

buildscript {
    ext.docker_plugin_version = "0.19.2"

    repositories {
        maven {
            url "https://plugins.gradle.org/m2/"
        }
    }
    dependencies {
        classpath "gradle.plugin.com.palantir.gradle.docker:gradle-docker:$docker_plugin_version"
    }
}

apply plugin: com.palantir.gradle.docker.DockerRunPlugin


ext.dockerRunTask = tasks.find { it.name == "dockerRun" }

def DOCKER_GROUP = dockerRunTask.group

task dockerCleanRun(group: DOCKER_GROUP) {
    doLast {
        dockerStop.execute()
        println("DOCKER $dockerRun.name has been STOPED")
        dockerRemoveContainer.execute()
        println("DOCKER $dockerRun.name has been REMOVED")
        dockerRunTask.execute()
        println("DOCKER $dockerRun.name has been STARTED")
    }
}

static def dockerExists(String containerName) {
    def result = "docker inspect $containerName".execute()
    return result.waitFor() == 0
}

dockerRunTask.onlyIf { !dockerExists(dockerRun.name) }
dockerStop.onlyIf { dockerExists(dockerRun.name) }
dockerRemoveContainer.onlyIf { dockerExists(dockerRun.name) }

dockerRunTask.outputs.upToDateWhen { dockerExists(dockerRun.name) }
dockerRemoveContainer.outputs.upToDateWhen { !dockerExists(dockerRun.name) }