build.gradle

/*
 * Copyright 2012 the original author or authors.
 *
 * 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.
 */

ext {

    // Target registry to be used to publish docker images needed for deployment
    targetReg = project.hasProperty('targetReg') ? project.getProperty('targetReg') : 'localhost:5000'

    // The tag used to tag the docker images push to the target registry
    targetTag = project.hasProperty('targetTag') ? project.getProperty('targetTag') : 'candidate'

}

// ~~~~~~~~~~~~~~~~~ Example helper tasks ~~~~~~~~~~~~~~~~~~~~

task buildFooImage(type: Exec) {
    commandLine '/usr/bin/docker', 'build', '-t', "foo", "./foo"
}

task tagFooImage(type: Exec) {
    commandLine '/usr/bin/docker', 'tag', 'foo', "$targetReg/foo:$targetTag"
}

task publishFooImage(type: Exec) {
    dependsOn tagFooImage
    commandLine '/usr/bin/docker', 'push', "$targetReg/foo:$targetTag"
}

task buildBarImage(type: Exec) {
    commandLine '/usr/bin/docker', 'build', '-t', "bar", "./bar"
}

task tagBarImage(type: Exec) {
    commandLine '/usr/bin/docker', 'tag', 'bar', "$targetReg/bar:$targetTag"
}

task publishBarImage(type: Exec) {
    dependsOn tagBarImage
    commandLine '/usr/bin/docker', 'push', "$targetReg/bar:$targetTag"
}

// ~~~~~~~~~~~~~~~~~~~ Global tasks ~~~~~~~~~~~~~~~~~~~~~~~

// To be used to fetch upstream binaries, clone repos, etc.
task fetch(type: Exec) {
    // this is where we fetch upstream artifacts that we do not need internet for the build phase"
    // Placeholdr example:
    commandLine "/usr/bin/docker", "pull", "golang:alpine"
}

// To be used to generate all needed binaries that need to be present on the target
// as docker images in the local docker runner.
task buildImages {
    dependsOn buildFooImage
    dependsOn buildBarImage
    println "This is where we build the docker images for MAAS"
}

task publish {
    // this is where we publish the properly tagged image into the target registry
    dependsOn publishFooImage
    dependsOn publishBarImage
}