Added isolator-javaagent

Signed-off-by: dhoard <doug.hoard@gmail.com>

Author: dhoard

integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/core/BasicIsolatorTest.java

@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2024-present The Prometheus jmx_exporter Authors
+ *
+ * Licensed 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 io.prometheus.jmx.test.support;
+
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.stream.Stream;
+import org.testcontainers.containers.BindMode;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.containers.Network;
+import org.testcontainers.containers.wait.strategy.Wait;
+import org.verifyica.api.Argument;
+
+/** Class to implement MultiExporterTestEnvironment */
+public class IsolatorExporterTestEnvironment implements Argument<IsolatorExporterTestEnvironment> {
+
+    private static final String BASE_URL = "http://localhost";
+    private static final int BASE_PORT = 8888;
+
+    private final String javaDockerImage;
+
+    private Class<?> testClass;
+    private String baseUrl;
+    private Network network;
+    private GenericContainer<?> javaAgentApplicationContainer;
+
+    /**
+     * Constructor
+     *
+     * @param javaDockerImage javaDockerImage
+     */
+    public IsolatorExporterTestEnvironment(String javaDockerImage) {
+        this.javaDockerImage = javaDockerImage;
+        this.baseUrl = BASE_URL;
+    }
+
+    @Override
+    public String getName() {
+        return javaDockerImage + " / IsolatorJavaAgent";
+    }
+
+    @Override
+    public IsolatorExporterTestEnvironment getPayload() {
+        return this;
+    }
+
+    /**
+     * Method to set the base URL
+     *
+     * @param baseUrl baseUrl
+     * @return the ExporterTestEnvironment
+     */
+    public IsolatorExporterTestEnvironment setBaseUrl(String baseUrl) {
+        this.baseUrl = baseUrl;
+        return this;
+    }
+
+    /**
+     * Method to get the Java Docker image name
+     *
+     * @return the Java Docker image name
+     */
+    public String getJavaDockerImage() {
+        return javaDockerImage;
+    }
+
+    /**
+     * Method to initialize the test environment
+     *
+     * @param network network
+     */
+    public void initialize(Class<?> testClass, Network network) {
+        this.testClass = testClass;
+        this.network = network;
+
+        javaAgentApplicationContainer = createJavaAgentApplicationContainer();
+        javaAgentApplicationContainer.start();
+    }
+
+    /**
+     * Method to get a URL (base URL + path)
+     *
+     * @param index index
+     * @param path path
+     * @return the URL (base URL + path)
+     */
+    public String getUrl(int index, String path) {
+        return !path.startsWith("/") ? getBaseUrl(index) + "/" + path : getBaseUrl(index) + path;
+    }
+
+    /**
+     * Method to get the base URL
+     *
+     * @param index index
+     * @return the base URL
+     */
+    public String getBaseUrl(int index) {
+        int port = javaAgentApplicationContainer.getMappedPort(BASE_PORT + index);
+        return baseUrl + ":" + port;
+    }
+
+    /** Method to destroy the test environment */
+    public void destroy() {
+        if (javaAgentApplicationContainer != null) {
+            javaAgentApplicationContainer.stop();
+            javaAgentApplicationContainer = null;
+        }
+    }
+
+    /**
+     * Method to create an application container
+     *
+     * @return the return value
+     */
+    private GenericContainer<?> createJavaAgentApplicationContainer() {
+        return new GenericContainer<>(javaDockerImage)
+                .waitingFor(Wait.forListeningPort())
+                .withClasspathResourceMapping("common", "/temp", BindMode.READ_ONLY)
+                .withClasspathResourceMapping(
+                        testClass.getName().replace(".", "/") + "/JavaAgent",
+                        "/temp",
+                        BindMode.READ_ONLY)
+                .withCreateContainerCmdModifier(TestContainerConfigureCmd.getInstance())
+                .withCommand("/bin/sh application.sh")
+                .withExposedPorts(BASE_PORT, BASE_PORT + 1, BASE_PORT + 2)
+                .withLogConsumer(TestContainerLogger.getInstance())
+                .withNetwork(network)
+                .withNetworkAliases("application")
+                .waitingFor(Wait.forLogMessage(".*JmxExampleApplication \\| Running.*\\n", 1))
+                .withStartupTimeout(Duration.ofMillis(60000))
+                .withWorkingDirectory("/temp");
+    }
+
+    /**
+     * Create the MultiExporterTestEnvironment
+     *
+     * @return a Stream of MultiExporterTestEnvironments
+     */
+    public static Stream<IsolatorExporterTestEnvironment> createMultiExporterTestEnvironments() {
+        Collection<IsolatorExporterTestEnvironment> collection = new ArrayList<>();
+
+        JavaDockerImages.names()
+                .forEach(
+                        dockerImageName -> {
+                            collection.add(new IsolatorExporterTestEnvironment(dockerImageName));
+                        });
+
+        return collection.stream();
+    }
+}

integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/support/IsolatorExporterTestEnvironment.java

@@ -70,6 +70,21 @@ public static void initializeExporterTestEnvironment(
                 .initialize(testClass, network);
     }
 
+    /**
+     * Initializes the IsolatorExporterTestEnvironment
+     *
+     * @param argumentContext argumentContext
+     * @param network network
+     * @param testClass testClass
+     */
+    public static void initializeIsolatorExporterTestEnvironment(
+            ArgumentContext argumentContext, Network network, Class<?> testClass) {
+        argumentContext
+                .testArgument(IsolatorExporterTestEnvironment.class)
+                .payload()
+                .initialize(testClass, network);
+    }
+
     /**
      * Initializes the OpenTelemetryTestEnvironment
      *
@@ -97,6 +112,18 @@ public static void destroyExporterTestEnvironment(ArgumentContext argumentContex
                                 exporterTestEnvironmentArgument.payload().destroy());
     }
 
+    /**
+     * Destroys the IsolatorExporterTestEnvironment
+     *
+     * @param argumentContext argumentContext
+     */
+    public static void destroyIsolatorExporterTestEnvironment(ArgumentContext argumentContext) {
+        Optional.ofNullable(argumentContext.testArgument(IsolatorExporterTestEnvironment.class))
+                .ifPresent(
+                        exporterTestEnvironmentArgument ->
+                                exporterTestEnvironmentArgument.payload().destroy());
+    }
+
     /**
      * Destroys the OpenTelemetryTestEnvironment
      *

integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/support/TestSupport.java

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+java \
+  -Xmx512M \
+  -javaagent:jmx_prometheus_isolator_javaagent.jar=jmx_prometheus_javaagent.jar=8888:exporter.yaml,jmx_prometheus_javaagent.jar=8889:exporter2.yaml,jmx_prometheus_javaagent.jar=8890:exporter3.yaml \
+  -jar jmx_example_application.jar

integration_test_suite/integration_tests/src/test/resources/io/prometheus/jmx/test/core/BasicIsolatorTest/JavaAgent/application.sh

@@ -0,0 +1,2 @@
+rules:
+  - pattern: ".*"

integration_test_suite/integration_tests/src/test/resources/io/prometheus/jmx/test/core/BasicIsolatorTest/JavaAgent/exporter.yaml

@@ -0,0 +1,3 @@
+lowercaseOutputName: true
+rules:
+  - pattern: ".*"

integration_test_suite/integration_tests/src/test/resources/io/prometheus/jmx/test/core/BasicIsolatorTest/JavaAgent/exporter2.yaml

@@ -0,0 +1,7 @@
+httpServer:
+  authentication:
+    basic:
+      username: Prometheus
+      password: secret
+rules:
+  - pattern: ".*"