From 40b398553ff4e00b68548e219aa58c3a8fec2232 Mon Sep 17 00:00:00 2001
From: Mikhail Antonov <olorinbant@gmail.com>
Date: Mon, 3 Feb 2014 15:19:21 -0800
Subject: BIGTOP-1192.  Add utilities to facilitate cluster failure testing
 into bigtop-test-framework

---
 .../itest/failures/ServiceKilledFailure.groovy     | 69 ++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 bigtop-test-framework/src/main/groovy/org/apache/bigtop/itest/failures/ServiceKilledFailure.groovy

(limited to 'bigtop-test-framework/src/main/groovy/org/apache/bigtop/itest/failures/ServiceKilledFailure.groovy')

diff --git a/bigtop-test-framework/src/main/groovy/org/apache/bigtop/itest/failures/ServiceKilledFailure.groovy b/bigtop-test-framework/src/main/groovy/org/apache/bigtop/itest/failures/ServiceKilledFailure.groovy
new file mode 100644
index 00000000..413f1713
--- /dev/null
+++ b/bigtop-test-framework/src/main/groovy/org/apache/bigtop/itest/failures/ServiceKilledFailure.groovy
@@ -0,0 +1,69 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.
+ */
+
+package org.apache.bigtop.itest.failures
+
+/**
+ * Can kill (with kill -9) specified service on specified hosts during tests run.
+ */
+public class ServiceKilledFailure extends AbstractFailure {
+
+  private static final String KILL_SERVICE_TEMPLATE = "sudo pkill -9 -f %s"
+  private static final String START_SERVICE_TEMPLATE = "sudo service %s start"
+
+  /**
+   * Can kill specified service on specified hosts during tests run.
+   *
+   * @param hosts list of hosts on which specified service will be killed
+   * @param serviceName name of service to be killed.
+   */
+  public ServiceKilledFailure(List<String> hosts, String serviceName) {
+    super(hosts)
+    populateCommandsList(hosts, serviceName)
+  }
+
+  /**
+   * Can kill specified service on specified hosts during tests run.
+   *
+   * @param hosts list of hosts on which specified service will be killed
+   * @param serviceName name of service to be killed
+   * @param startDelay time in milliseconds) the failures will wait before start
+   */
+  public ServiceKilledFailure(List<String> hosts,
+                              String serviceName,
+                              long startDelay) {
+
+    super(hosts, startDelay)
+    populateCommandsList(hosts, serviceName)
+  }
+
+  /*
+   * Populate commands list, making choice between local execution and remote one.
+   */
+  private void populateCommandsList(List<String> hosts, String serviceName){
+    if (hosts.size() == 1 && "localhost".equalsIgnoreCase(hosts[0])) {
+      failCommands.add(String.format(KILL_SERVICE_TEMPLATE, serviceName))
+      restoreCommands.add(String.format(START_SERVICE_TEMPLATE, serviceName))
+    } else {
+      hosts.each { host ->
+        failCommands.add(getSshWrappedCommand(String.format(KILL_SERVICE_TEMPLATE, serviceName), host))
+        restoreCommands.add(getSshWrappedCommand(String.format(START_SERVICE_TEMPLATE, serviceName), host))
+      }
+    }
+  }
+}
-- 
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