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Posted to commits@cassandra.apache.org by dj...@apache.org on 2023/05/19 06:02:28 UTC
[cassandra-in-jvm-dtest-api] branch trunk updated (12688ac -> 1e3bc4c)
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djoshi pushed a change to branch trunk
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discard 12688ac CASSANDRA-18537 - Add JMX utility class to in-jvm dtest to ease development of new tests using JMX
new 1e3bc4c Add JMX utility class to in-jvm dtest to ease development of new tests using JMX
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[cassandra-in-jvm-dtest-api] 01/01: Add JMX utility class to in-jvm dtest to ease development of new tests using JMX
Posted by dj...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
djoshi pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/cassandra-in-jvm-dtest-api.git
commit 1e3bc4c3b34eae563547899645bfb3f0a1948c79
Author: Doug Rohrer <do...@therohrers.org>
AuthorDate: Thu May 18 20:44:43 2023 -0400
Add JMX utility class to in-jvm dtest to ease development of new tests using JMX
While reviewing CASSANDRA-18511, some repetitive code was identified across the 4 branches,
and 2 different tests, that would also be repeated for any new usages of the JMX support
in the in-jvm dtest framework. Therefore, a utility class should be added to the dtest-api's
`shared` package that will simplify some of this repetitive and error-prone code.
patch by Doug Rohrer; reviewed by Jon Meredith, Dinesh Joshi for CASSANDRA-18537
---
.../cassandra/distributed/shared/JMXUtil.java | 53 ++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/src/main/java/org/apache/cassandra/distributed/shared/JMXUtil.java b/src/main/java/org/apache/cassandra/distributed/shared/JMXUtil.java
new file mode 100644
index 0000000..183397e
--- /dev/null
+++ b/src/main/java/org/apache/cassandra/distributed/shared/JMXUtil.java
@@ -0,0 +1,53 @@
+/*
+ * 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.cassandra.distributed.shared;
+
+import java.io.IOException;
+import javax.management.remote.JMXConnector;
+import javax.management.remote.JMXConnectorFactory;
+import javax.management.remote.JMXServiceURL;
+
+import org.apache.cassandra.distributed.api.IInstanceConfig;
+
+public final class JMXUtil
+{
+ private JMXUtil()
+ {
+ }
+
+ public static final String JMX_SERVICE_URL_FMT = "service:jmx:rmi:///jndi/rmi://%s:%d/jmxrmi";
+
+ public static JMXConnector getJmxConnector(IInstanceConfig config) {
+ String jmxHost = getJmxHost(config);
+ String url = String.format(JMX_SERVICE_URL_FMT, jmxHost, config.jmxPort());
+ try
+ {
+ return JMXConnectorFactory.connect(new JMXServiceURL(url), null);
+ }
+ catch (IOException e)
+ {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static String getJmxHost(IInstanceConfig config) {
+ return config.broadcastAddress().getAddress().getHostAddress();
+ }
+
+}
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