Adding support for integration tests with remote cluster.

Signed-off-by: Sarat Vemulapalli <[email protected]>

DEVELOPER_GUIDE.md

@@ -39,7 +39,7 @@ Currently we just put RCF jar in lib as dependency. Plan to publish to Maven and
 2. `./gradlew :run` launches a single node cluster with anomaly-detection (and job-scheduler) plugin installed
 3. `./gradlew :integTest` launches a single node cluster with anomaly-detection (and job-scheduler) plugin installed and runs all integration tests except security
 4. ` ./gradlew :integTest --tests="**.test execute foo"` runs a single integration test class or method
-5. `./gradlew integTest -Dtests.rest.cluster=localhost:9200 -Dtests.cluster=localhost:9200 -Dtests.clustername="docker-cluster" -Dhttps=true -Duser=admin -Dpassword=admin` launches integration tests against a local cluster and run tests with security
+5. `./gradlew integTestRemote -Dtests.rest.cluster=localhost:9200 -Dtests.cluster=localhost:9200 -Dtests.clustername="docker-cluster" -Dhttps=true -Duser=admin -Dpassword=admin` launches integration tests against a local cluster and run tests with security
 6. `./gradlew spotlessApply` formats code. And/or import formatting rules in `.eclipseformat.xml` with IDE.
 7. `./gradlew adBwcCluster#mixedClusterTask -Dtests.security.manager=false` launches a cluster with three nodes of bwc version of OpenSearch with anomaly-detection and job-scheduler and tests backwards compatibility by upgrading one of the nodes with the current version of OpenSearch with anomaly-detection and job-scheduler creating a mixed cluster.
 8. `./gradlew adBwcCluster#rollingUpgradeClusterTask -Dtests.security.manager=false` launches a cluster with three nodes of bwc version of OpenSearch with anomaly-detection and job-scheduler and tests backwards compatibility by performing rolling upgrade of each node with the current version of OpenSearch with anomaly-detection and job-scheduler.

build.gradle

@@ -268,6 +268,31 @@ testClusters.integTest {
     }
 }
 
+task integTestRemote(type: RestIntegTestTask) {
+    testClassesDirs = sourceSets.test.output.classesDirs
+    classpath = sourceSets.test.runtimeClasspath
+    systemProperty 'tests.security.manager', 'false'
+    systemProperty 'java.io.tmpdir', opensearch_tmp_dir.absolutePath
+
+    systemProperty "https", System.getProperty("https")
+    systemProperty "user", System.getProperty("user")
+    systemProperty "password", System.getProperty("password")
+
+    // Only rest case can run with remote cluster
+    if (System.getProperty("tests.rest.cluster") != null) {
+        filter {
+            includeTestsMatching "org.opensearch.ad.rest.*IT"
+            includeTestsMatching "org.opensearch.ad.e2e.*IT"
+        }
+    }
+
+    if (System.getProperty("https") == null || System.getProperty("https") == "false") {
+        filter {
+            excludeTestsMatching "org.opensearch.ad.rest.SecureADRestIT"
+        }
+    }
+}
+
 String bwcVersion = "1.13.0.0"
 String baseName = "adBwcCluster"
 String bwcFilePath = "src/test/resources/org/opensearch/ad/bwc/"