/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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.
 */

import org.elasticsearch.gradle.MavenFilteringHack
import org.elasticsearch.gradle.test.AntFixture

apply plugin: 'elasticsearch.standalone-rest-test'
apply plugin: 'elasticsearch.rest-test'

final int gceNumberOfNodes = 3
File gceDiscoveryFile =  new File(project.buildDir, 'generated-resources/nodes.uri')

dependencies {
    testCompile project(path: ':plugins:discovery-gce', configuration: 'runtime')
}

/** A task to start the GCEFixture which emulates a GCE service **/
task gceFixture(type: AntFixture) {
    dependsOn compileTestJava
    env 'CLASSPATH', "${ -> project.sourceSets.test.runtimeClasspath.asPath }"
    executable = new File(project.runtimeJavaHome, 'bin/java')
    args 'org.elasticsearch.cloud.gce.GCEFixture', baseDir, gceDiscoveryFile.getAbsolutePath()
}

Map<String, Object> expansions = [
        'expected_nodes': gceNumberOfNodes
]

processTestResources {
    inputs.properties(expansions)
    MavenFilteringHack.filter(it, expansions)
}

integTestCluster {
    dependsOn gceFixture
    numNodes = gceNumberOfNodes
    plugin ':plugins:discovery-gce'
    setting 'discovery.zen.hosts_provider', 'gce'

    // use gce fixture for Auth calls instead of http://metadata.google.internal
    integTestCluster.environment 'GCE_METADATA_HOST', "http://${-> gceFixture.addressAndPort}"

    // allows to configure hidden settings (`cloud.gce.host` and `cloud.gce.root_url`)
    systemProperty 'es.allow_reroute_gce_settings', 'true'

    // use gce fixture for metadata server calls instead of http://metadata.google.internal
    setting 'cloud.gce.host', "http://${-> gceFixture.addressAndPort}"
    // use gce fixture for API calls instead of https://www.googleapis.com
    setting 'cloud.gce.root_url', "http://${-> gceFixture.addressAndPort}"

    unicastTransportUri = { seedNode, node, ant -> return null }

    waitCondition = { node, ant ->
        gceDiscoveryFile.parentFile.mkdirs()
        gceDiscoveryFile.setText(integTest.nodes.collect { n -> "${n.transportUri()}" }.join('\n'), 'UTF-8')

        File tmpFile = new File(node.cwd, 'wait.success')
        ant.get(src: "http://${node.httpUri()}/",
                dest: tmpFile.toString(),
                ignoreerrors: true,
                retries: 10)
        return tmpFile.exists()
    }
}