8237: Add support for Jolokia over Kubernetes proxy

application/org.openjdk.jmc.feature.core/feature.xml

@@ -244,6 +244,13 @@
          version="0.0.0"
          unpack="false"/>
 
+   <plugin
+         id="org.openjdk.jmc.kubernetes"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
    <plugin
          id="org.jolokia.service.discovery"
          download-size="0"

application/org.openjdk.jmc.jolokia/src/main/java/org/openjdk/jmc/jolokia/JmcJolokiaPlugin.java

@@ -75,7 +75,7 @@ public JolokiaContext getJolokiaContext() {
 		StaticConfiguration configuration = new StaticConfiguration(ConfigKey.AGENT_ID, "jmc");//$NON-NLS-1$
 		JolokiaServiceManager serviceManager = JolokiaServiceManagerFactory.createJolokiaServiceManager(configuration,
 				new JulLogHandler(PLUGIN_ID), new AllowAllRestrictor(),
-				() -> new TreeSet<ServerDetector>(Arrays.asList(ServerDetector.FALLBACK)));
+				logHandleer -> new TreeSet<ServerDetector>(Arrays.asList(ServerDetector.FALLBACK)));
 		return serviceManager.start();
 	}
 

application/org.openjdk.jmc.kubernetes/META-INF/MANIFEST.MF

@@ -0,0 +1,19 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %Bundle-Name
+Bundle-SymbolicName: org.openjdk.jmc.kubernetes;singleton:=true
+Bundle-Version: 10.0.0.qualifier
+Automatic-Module-Name: org.openjdk.jmc.kubernetes
+Bundle-RequiredExecutionEnvironment: JavaSE-17
+Require-Bundle: org.openjdk.jmc.jolokia,
+ org.eclipse.core.runtime,
+ org.eclipse.ui,
+ org.openjdk.jmc.ui,
+ org.eclipse.swt,
+ org.jolokia.client-kubernetes.standalone;bundle-version="2.2.9",
+ org.openjdk.jmc.rjmx
+Export-Package: org.openjdk.jmc.kubernetes,
+ org.openjdk.jmc.kubernetes.preferences
+Import-Package: org.apache.commons.logging;version="1.2.0"
+Bundle-Activator: org.openjdk.jmc.kubernetes.JmcKubernetesPlugin
+Bundle-ActivationPolicy: lazy

application/org.openjdk.jmc.kubernetes/OSGI-INF/l10n/bundle.properties

@@ -0,0 +1,3 @@
+#Properties file for org.openjdk.jmc.kubernetes
+page.name = Kubernetes
+Bundle-Name = Kubernetes JMC extensions

application/org.openjdk.jmc.kubernetes/build.properties

@@ -0,0 +1,7 @@
+source.. = src/main/java/
+output.. = target/classes/
+bin.includes = META-INF/,\
+               OSGI-INF/,\
+               .,\
+               OSGI-INF/l10n/bundle.properties,\
+               plugin.xml

application/org.openjdk.jmc.kubernetes/plugin.xml

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--   
+   Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+   Copyright (c) 2025, Kantega AS. All rights reserved.
+
+   DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+
+   The contents of this file are subject to the terms of either the Universal Permissive License 
+   v 1.0 as shown at http://oss.oracle.com/licenses/upl
+
+   or the following license:
+
+   Redistribution and use in source and binary forms, with or without modification, are permitted
+   provided that the following conditions are met:
+
+   1. Redistributions of source code must retain the above copyright notice, this list of conditions
+   and the following disclaimer.
+
+   2. Redistributions in binary form must reproduce the above copyright notice, this list of
+   conditions and the following disclaimer in the documentation and/or other materials provided with
+   the distribution.
+
+   3. Neither the name of the copyright holder nor the names of its contributors may be used to
+   endorse or promote products derived from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+   FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+   WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+--><?eclipse version="3.4"?>
+<plugin>
+      <extension
+         point="org.openjdk.jmc.rjmx.jmxProtocols">
+      <client
+            class="org.openjdk.jmc.kubernetes.JmcKubernetesJmxConnectionProvider" protocol="kubernetes">
+            <sysproperty name="running.in.jmc" include="true" />
+      </client>
+   </extension>
+      <extension
+            point="org.eclipse.ui.preferencePages">
+         <page
+               category="org.openjdk.jmc.browser.preferences.BrowserPreferencePage"
+               class="org.openjdk.jmc.kubernetes.preferences.JmcKubernetesPreferenceForm"
+               id="org.openjdk.jmc.kubernetes.preferences.JmcKubernetesPreferences"
+               name="%page.name">
+         </page>
+      </extension>
+      <extension
+            point="org.eclipse.core.runtime.preferences">
+         <initializer
+               class="org.openjdk.jmc.kubernetes.preferences.PreferenceInitializer">
+         </initializer>
+      </extension>
+      <extension
+         point="org.openjdk.jmc.rjmx.descriptorProvider">
+      <provider
+            class="org.openjdk.jmc.kubernetes.KubernetesDiscoveryListener">
+      </provider>
+   </extension>
+</plugin>

application/org.openjdk.jmc.kubernetes/pom.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--   
+   Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+   Copyright (c) 2025, Kantega AS. All rights reserved.
+
+   DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+
+   The contents of this file are subject to the terms of either the Universal Permissive License 
+   v 1.0 as shown at http://oss.oracle.com/licenses/upl
+
+   or the following license:
+
+   Redistribution and use in source and binary forms, with or without modification, are permitted
+   provided that the following conditions are met:
+
+   1. Redistributions of source code must retain the above copyright notice, this list of conditions
+   and the following disclaimer.
+
+   2. Redistributions in binary form must reproduce the above copyright notice, this list of
+   conditions and the following disclaimer in the documentation and/or other materials provided with
+   the distribution.
+
+   3. Neither the name of the copyright holder nor the names of its contributors may be used to
+   endorse or promote products derived from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+   FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+   WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.openjdk.jmc</groupId>
+		<artifactId>missioncontrol.application</artifactId>
+		<version>${revision}${changelist}</version>
+	</parent>
+	<artifactId>org.openjdk.jmc.kubernetes</artifactId>
+	<packaging>eclipse-plugin</packaging>
+	<properties>
+		<jmc.config.path>${project.basedir}/../../configuration</jmc.config.path>
+	</properties>
+</project>

application/org.openjdk.jmc.kubernetes/src/main/java/org/openjdk/jmc/kubernetes/JmcKubernetesJmxConnection.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2025, Kantega AS. All rights reserved.
+ * 
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * The contents of this file are subject to the terms of either the Universal Permissive License
+ * v 1.0 as shown at http://oss.oracle.com/licenses/upl
+ *
+ * or the following license:
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
+ * and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
+ * endorse or promote products derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.openjdk.jmc.kubernetes;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.regex.Pattern;
+
+import javax.management.InstanceNotFoundException;
+
+import org.jolokia.client.J4pClient;
+import org.jolokia.client.exception.J4pException;
+import org.jolokia.client.exception.J4pRemoteException;
+import org.jolokia.client.request.J4pResponse;
+import org.openjdk.jmc.jolokia.JmcJolokiaJmxConnection;
+import org.openjdk.jmc.rjmx.common.ConnectionException;
+
+/**
+ * Jolokia based MBeanServerConnector tailored for JMC needs
+ */
+public class JmcKubernetesJmxConnection extends JmcJolokiaJmxConnection {
+
+	static final Collection<Pattern> DISCONNECT_SIGNS = Arrays.asList(Pattern.compile("Error: pods \".+\" not found")); //$NON-NLS-1$
+
+	public JmcKubernetesJmxConnection(J4pClient client) throws IOException {
+		super(client);
+	}
+
+	@SuppressWarnings("rawtypes")
+	@Override
+	protected J4pResponse unwrapException(J4pException e) throws IOException, InstanceNotFoundException {
+		// recognize signs of disconnect and signal to the application for better
+		// handling
+		if (isKnownDisconnectException(e)) {
+			throw new ConnectionException(e.getMessage());
+		} else {
+			return super.unwrapException(e);
+		}
+	}
+
+	private boolean isKnownDisconnectException(J4pException e) {
+		if (!(e instanceof J4pRemoteException)) {
+			return false;
+		}
+		if (!"io.fabric8.kubernetes.client.KubernetesClientException".equals(((J4pRemoteException) e).getErrorType())) { //$NON-NLS-1$
+			return false;
+		}
+		return DISCONNECT_SIGNS.stream().anyMatch(pattern -> pattern.matcher(e.getMessage()).matches());
+	}
+
+}

application/org.openjdk.jmc.kubernetes/src/main/java/org/openjdk/jmc/kubernetes/JmcKubernetesJmxConnectionProvider.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2025, Kantega AS. All rights reserved.
+ * 
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * The contents of this file are subject to the terms of either the Universal Permissive License
+ * v 1.0 as shown at http://oss.oracle.com/licenses/upl
+ *
+ * or the following license:
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
+ * and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
+ * endorse or promote products derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.openjdk.jmc.kubernetes;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.Map;
+
+import javax.management.remote.JMXConnector;
+import javax.management.remote.JMXConnectorProvider;
+import javax.management.remote.JMXServiceURL;
+
+/**
+ * This {@code JMXConnectionProvider} handles the "kubernetes" protocol.
+ */
+public class JmcKubernetesJmxConnectionProvider implements JMXConnectorProvider {
+	@Override
+	public JMXConnector newJMXConnector(JMXServiceURL serviceURL, Map<String, ?> environment) throws IOException {
+		if (!"kubernetes".equals(serviceURL.getProtocol())) { //$NON-NLS-1$
+			throw new MalformedURLException("I only serve Kubernetes connections"); //$NON-NLS-1$
+		}
+		return new JmcKubernetesJmxConnector(serviceURL, environment);
+	}
+}

application/org.openjdk.jmc.kubernetes/src/main/java/org/openjdk/jmc/kubernetes/JmcKubernetesJmxConnector.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2025, Kantega AS. All rights reserved.
+ * 
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * The contents of this file are subject to the terms of either the Universal Permissive License
+ * v 1.0 as shown at http://oss.oracle.com/licenses/upl
+ *
+ * or the following license:
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
+ * and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other materials provided with
+ * the distribution.
+ * 
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
+ * endorse or promote products derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.openjdk.jmc.kubernetes;
+
+import java.io.IOException;
+import java.util.Map;
+
+import javax.management.remote.JMXServiceURL;
+
+import org.jolokia.client.J4pClient;
+import org.jolokia.client.jmxadapter.RemoteJmxAdapter;
+import org.jolokia.kubernetes.client.KubernetesJmxConnector;
+
+public class JmcKubernetesJmxConnector extends KubernetesJmxConnector {
+
+	public JmcKubernetesJmxConnector(JMXServiceURL serviceURL, Map<String, ?> environment) {
+		super(serviceURL, environment);
+	}
+
+	@Override
+	protected RemoteJmxAdapter createAdapter(J4pClient client) throws IOException {
+		return new JmcKubernetesJmxConnection(client);
+	}
+}