[WFCORE-7008] Split ManagementInterfaceResourcesTestCase for different stability levels.

testsuite/manualmode/pom.xml

@@ -31,9 +31,9 @@
         <!--
         <byteman.jvm.args>-javaagent:${org.jboss.byteman:byteman:jar}=port:${byteman.port},address:${byteman.host},boot:${org.jboss.byteman:byteman:jar} -Dorg.jboss.byteman.transform.all -Dorg.jboss.byteman.verbose=true</byteman.jvm.args>
         -->
-								
+
     </properties>
-    
+
     <dependencies>
         <dependency>
             <groupId>jakarta.inject</groupId>
@@ -583,7 +583,7 @@
                                         <!-- restart the server -->
                                         <exclude>org.jboss.as.test.manualmode.deployment.DeploymentScannerRedeploymentTestCase</exclude>
                                         <exclude>org.jboss.as.test.manualmode.deployment.DeploymentScannerUnitTestCase</exclude>
-                                        
+
                                         <!-- restart the server -->
                                         <exclude>org.jboss.as.test.manualmode.logging.LoggingDependenciesTestCase</exclude>
                                         <exclude>org.jboss.as.test.manualmode.logging.LoggingPreferencesTestCase</exclude>
@@ -598,7 +598,7 @@
                                         <exclude>org.jboss.as.test.manualmode.provisioning.InstallationManagerBootTestCase</exclude>
                                         <!-- restart the server -->
                                         <exclude>org.jboss.as.test.manualmode.management.*TestCase</exclude>
-                                        
+
                                         <exclude>org.jboss.as.test.manualmode.management.cli.ManagementOpTimeoutTestCase</exclude>
                                         <exclude>org.jboss.as.test.manualmode.management.cli.ShutdownTestCase</exclude>
 
@@ -615,21 +615,19 @@
                                         <exclude>org.jboss.as.test.manualmode.management.cli.RemoveManagementRealmTestCase</exclude>
                                         <!-- no git support -->
                                         <exclude>org.jboss.as.test.manualmode.management.persistence.*TestCase</exclude>
-                                        
+
                                         <!-- replace config file -->
                                         <exclude>org.jboss.as.test.manualmode.mgmt.elytron.ElytronModelControllerClientTestCase</exclude>
-                                        
+
                                         <!--- remove a module after having closed the server -->
                                         <exclude>org.jboss.as.test.manualmode.expressions.CredentialStoreExpressionsTestCase</exclude>
-                                        
+
                                         <!-- admin mode -->
-                                        <exclude>org.wildfly.core.test.standalone.mgmt.ManagementInterfaceResourcesTestCase</exclude>
                                         <exclude>org.jboss.as.test.manualmode.adminonly.auditlog.*TestCase.java</exclude>
                                         <exclude>org.jboss.as.test.manualmode.cli.boot.ops.CliBootOperationsTestCase.java</exclude>
-
                                         <!-- start /stop, and install extension before start -->
                                         <exclude>org.wildfly.core.test.standalone.mgmt.PreparedResponseTestCase</exclude>
-                                        
+
                                         <!-- start/stop/start the server -->
                                         <exclude>org.wildfly.core.test.standalone.mgmt.events.*TestCase</exclude>
                                         <!-- Requires modification of the process-uuid file inside the Jar -->

testsuite/manualmode/src/test/java/org/wildfly/core/test/standalone/mgmt/AbstractManagementInterfaceResourcesTestCase.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright The WildFly Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.wildfly.core.test.standalone.mgmt;
+
+import static org.jboss.as.test.shared.TimeoutUtil.adjust;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.net.SocketAddress;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.jboss.as.test.shared.TestSuiteEnvironment;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.wildfly.common.function.ExceptionRunnable;
+import org.wildfly.core.testrunner.ServerControl;
+import org.wildfly.core.testrunner.ServerController;
+import org.wildfly.core.testrunner.WildFlyRunner;
+
+import jakarta.inject.Inject;
+
+/**
+ * Test case to test resource limits and clean up of management interface connections.
+ *
+ * @author <a href="mailto:[email protected]">Darran Lofthouse</a>
+ */
+@RunWith(WildFlyRunner.class)
+@ServerControl(manual = true)
+public abstract class AbstractManagementInterfaceResourcesTestCase {
+    protected static final Logger LOG = Logger.getLogger(AbstractManagementInterfaceResourcesTestCase.class.getName());
+
+
+    @Inject
+    protected static ServerController controller;
+
+    @Test
+    public void testNothing() throws Exception {
+        runTest(60000, () -> {});
+    }
+
+    /**
+     * Test that the management interface will not accept new connections when the number of active connections reaches the
+     * high water mark.  After the number of open connections has been reduced to the low watermark it will test that connections
+     * are accepted again.
+     */
+    @Test
+    public void testWatermarks() throws Exception {
+        runTest(60000, () -> {
+            String mgmtAddress = TestSuiteEnvironment.getServerAddress();
+            int mgmtPort = TestSuiteEnvironment.getServerPort();
+            LOG.info(mgmtAddress + ":" + mgmtPort);
+            SocketAddress targetAddress = new InetSocketAddress(mgmtAddress, mgmtPort);
+
+            int socketsOpened = 0;
+            boolean oneFailed = false;
+            Socket[] sockets = new Socket[9];
+            for (int i = 0 ; i < 9 ; i++) {
+                LOG.info("Opening socket " + i + " socketsOpened=" + socketsOpened);
+                try {
+                    sockets[i] = new Socket();
+                    sockets[i].connect(targetAddress, 5000);
+                    socketsOpened++;
+                } catch (IOException e) {
+                    LOG.log(Level.SEVERE, "Probably an expected exception trying to open a new connection", e);
+                    assertTrue("Less sockets than low watermark opened.", socketsOpened > 3);
+                    oneFailed = true;
+                }
+            }
+            assertTrue("Opening of one socket was expected to fail.", oneFailed);
+
+            // Now close the connections and we should be able to connect again.
+            for (int i = 0 ; i < socketsOpened ; i++) {
+                sockets[i].close();
+            }
+
+            Socket goodSocket = new Socket();
+            // This needs a reasonable time to give the server time to respond to the closed connections.
+            goodSocket.connect(targetAddress, 10000);
+            goodSocket.close();
+        });
+    }
+
+    @Test
+    public void testTimeout() throws Exception {
+        runTest(10000, () -> {
+            String mgmtAddress = TestSuiteEnvironment.getServerAddress();
+            int mgmtPort = TestSuiteEnvironment.getServerPort();
+            SocketAddress targetAddress = new InetSocketAddress(mgmtAddress, mgmtPort);
+
+            int socketsOpened = 0;
+            boolean oneFailed = false;
+            Socket[] sockets = new Socket[9];
+            for (int i = 0 ; i < 9 ; i++) {
+                LOG.info("Opening socket " + i + " socketsOpened=" + socketsOpened);
+                try {
+                    sockets[i] = new Socket();
+                    sockets[i].connect(targetAddress, 5000);
+                    socketsOpened++;
+                } catch (IOException e) {
+                    LOG.log(Level.SEVERE, "Probably an expected exception trying to open a new connection", e);
+                    assertTrue("Less sockets than low watermark opened.", socketsOpened > 3);
+                    oneFailed = true;
+                }
+            }
+            assertTrue("Opening of one socket was expected to fail.", oneFailed);
+
+            // Notice that the exception received when we tried to open a new socket could have been a timeout (SocketTimeoutException)
+            // or a connection refused (IOException). It depends on the OS and the network configuration.
+            // So, we could also have had 5000ms for each bad socket that triggered a SocketTimeoutException.
+            Thread.sleep(adjust(12000));
+
+            Socket goodSocket = new Socket();
+            // This needs to be longer than 500ms to give the server time to respond to the closed connections.
+            goodSocket.connect(targetAddress, 10000);
+            goodSocket.close();
+
+            // Clean up remaining sockets
+            for (int i = 0 ; i < socketsOpened ; i++) {
+                sockets[i].close();
+            }
+        });
+    }
+
+    protected abstract void runTest(int noRequestTimeout, ExceptionRunnable<Exception> test) throws Exception;
+
+}

testsuite/manualmode/src/test/java/org/wildfly/core/test/standalone/mgmt/ManagementInterfaceResourcesCommunityTestCase.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright The WildFly Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.wildfly.core.test.standalone.mgmt;
+
+import static org.jboss.as.controller.client.helpers.Operations.createAddress;
+import static org.jboss.as.controller.client.helpers.Operations.createWriteAttributeOperation;
+import static org.jboss.as.test.integration.management.util.ServerReload.executeReloadAndWaitForCompletion;
+
+import org.jboss.as.test.integration.management.util.ServerReload;
+import org.jboss.as.version.Stability;
+import org.jboss.dmr.ModelNode;
+import org.wildfly.common.function.ExceptionRunnable;
+import org.wildfly.core.testrunner.ManagementClient;
+import org.wildfly.core.testrunner.ServerSetupTask;
+import org.wildfly.test.stability.StabilityServerSetupSnapshotRestoreTasks;
+
+/**
+ * Test case to test resource limits and clean up of management interface connections.
+ *
+ * This test case uses attributes defined directly on the HTTP management interface resource for configuration.
+ *
+ * @author <a href="mailto:[email protected]">Darran Lofthouse</a>
+ */
+public class ManagementInterfaceResourcesCommunityTestCase extends AbstractManagementInterfaceResourcesTestCase {
+
+    /*
+    * Attribute names
+    */
+    private static final String BACKLOG_ATTRIBUTE = "backlog";
+    private static final String CONNECTION_HIGH_WATER_ATTRIBUTE = "connection-high-water";
+    private static final String CONNECTION_LOW_WATER_ATTRIBUTE = "connection-low-water";
+    private static final String NO_REQUEST_TIMEOUT_ATTRIBUTE = "no-request-timeout";
+
+    private static final ModelNode HTTP_INTERFACE_ADDRESS = createAddress("core-service", "management", "management-interface", "http-interface");
+
+    protected void runTest(int noRequestTimeout, ExceptionRunnable<Exception> test) throws Exception {
+        controller.start();
+        ManagementClient client = controller.getClient();
+
+        ServerSetupTask task = new ManagementInterfaceSetUpTask(noRequestTimeout);
+
+        try {
+            task.setup(client);
+            test.run();
+            controller.reload();
+        } finally {
+            task.tearDown(client);
+            controller.stop();
+        }
+    }
+
+    class ManagementInterfaceSetUpTask extends StabilityServerSetupSnapshotRestoreTasks.Community {
+
+        private final int noRequestTimeout;
+
+        public ManagementInterfaceSetUpTask(int noRequestTimeout) {
+            this.noRequestTimeout = noRequestTimeout;
+        }
+
+        protected void doSetup(ManagementClient managementClient) throws Exception {
+            writeAttribute(managementClient, BACKLOG_ATTRIBUTE, 2);
+            writeAttribute(managementClient, CONNECTION_HIGH_WATER_ATTRIBUTE, 6);
+            writeAttribute(managementClient, CONNECTION_LOW_WATER_ATTRIBUTE, 3);
+            writeAttribute(managementClient, NO_REQUEST_TIMEOUT_ATTRIBUTE, noRequestTimeout);
+
+            // Execute the reload
+            ServerReload.Parameters parameters = new ServerReload.Parameters()
+                .setStability(Stability.COMMUNITY);
+            executeReloadAndWaitForCompletion(managementClient.getControllerClient(), parameters);
+        }
+
+        private void writeAttribute(final ManagementClient managementClient, final String attributeName, final int value) throws Exception {
+            ModelNode writeOp = createWriteAttributeOperation(HTTP_INTERFACE_ADDRESS, attributeName, value);
+            managementClient.executeForResult(writeOp);
+        }
+
+    }
+}