OpenSearch/qa/rolling-upgrade/build.gradle

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 * 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
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 * KIND, either express or implied.  See the License for the
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import org.elasticsearch.gradle.test.RestIntegTestTask

apply plugin: 'elasticsearch.standalone-test'

task oldClusterTest(type: RestIntegTestTask) {
  mustRunAfter(precommit)
  cluster {
    distribution = 'zip'
    // TODO: Right now, this just forms a cluster with the current version of ES,
    // because we don't support clusters with nodes on different alpha/beta releases of ES.
    // When the GA is released, we should change the bwcVersion to 5.0.0 and uncomment
    // numBwcNodes = 2
    //bwcVersion = '5.0.0-alpha5' // TODO: either randomize, or make this settable with sysprop
    //numBwcNodes = 2
    numNodes = 2
    clusterName = 'rolling-upgrade'
  }
  systemProperty 'tests.rest.suite', 'old_cluster'
}

task mixedClusterTest(type: RestIntegTestTask) {
  dependsOn(oldClusterTest, 'oldClusterTest#node1.stop')
  cluster {
    distribution = 'zip'
    clusterName = 'rolling-upgrade'
    unicastTransportUri = { seedNode, node, ant -> oldClusterTest.nodes.get(0).transportUri() }
    dataDir = "${-> oldClusterTest.nodes[1].dataDir}"
  }
  systemProperty 'tests.rest.suite', 'mixed_cluster'
  finalizedBy 'oldClusterTest#node0.stop'
}

task upgradedClusterTest(type: RestIntegTestTask) {
  dependsOn(mixedClusterTest, 'oldClusterTest#node0.stop')
  cluster {
    distribution = 'zip'
    clusterName = 'rolling-upgrade'
    unicastTransportUri = { seedNode, node, ant -> mixedClusterTest.nodes.get(0).transportUri() }
    dataDir = "${-> oldClusterTest.nodes[0].dataDir}"
  }
  systemProperty 'tests.rest.suite', 'upgraded_cluster'
  // only need to kill the mixed cluster tests node here because we explicitly told it to not stop nodes upon completion
  finalizedBy 'mixedClusterTest#stop'
}

task integTest {
  dependsOn = [upgradedClusterTest]
}

test.enabled = false // no unit tests for rolling upgrades, only the rest integration test

check.dependsOn(integTest)