Java tutorial
/* * 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.brooklyn.entity.webapp.jboss; import java.util.Map; import org.apache.brooklyn.api.entity.Entity; import org.apache.brooklyn.core.config.render.RendererHints; import org.apache.brooklyn.core.entity.Attributes; import org.apache.brooklyn.core.entity.EntityFunctions; import org.apache.brooklyn.core.location.access.BrooklynAccessUtils; import org.apache.brooklyn.enricher.stock.Enrichers; import org.apache.brooklyn.entity.webapp.JavaWebAppSoftwareProcessImpl; import org.apache.brooklyn.feed.http.HttpFeed; import org.apache.brooklyn.feed.http.HttpPollConfig; import org.apache.brooklyn.feed.http.HttpValueFunctions; import org.apache.brooklyn.util.guava.Functionals; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.google.common.base.Functions; import com.google.common.collect.ImmutableMap; import com.google.common.net.HostAndPort; public class JBoss7ServerImpl extends JavaWebAppSoftwareProcessImpl implements JBoss7Server { public static final Logger log = LoggerFactory.getLogger(JBoss7ServerImpl.class); private volatile HttpFeed httpFeed; public JBoss7ServerImpl() { super(); } public JBoss7ServerImpl(@SuppressWarnings("rawtypes") Map flags) { this(flags, null); } public JBoss7ServerImpl(@SuppressWarnings("rawtypes") Map flags, Entity parent) { super(flags, parent); } @Override public Class<?> getDriverInterface() { return JBoss7Driver.class; } @Override public JBoss7Driver getDriver() { return (JBoss7Driver) super.getDriver(); } static { RendererHints.register(MANAGEMENT_URL, RendererHints.namedActionWithUrl()); } @Override protected void connectSensors() { super.connectSensors(); HostAndPort hp = BrooklynAccessUtils.getBrooklynAccessibleAddress(this, getAttribute(MANAGEMENT_HTTP_PORT) + getConfig(PORT_INCREMENT)); String managementUri = String.format("http://%s:%s/management/subsystem/web/connector/http/read-resource", hp.getHostText(), hp.getPort()); sensors().set(MANAGEMENT_URL, managementUri); if (isHttpMonitoringEnabled()) { log.debug("JBoss sensors for " + this + " reading from " + managementUri); Map<String, String> includeRuntimeUriVars = ImmutableMap.of("include-runtime", "true"); boolean retrieveUsageMetrics = getConfig(RETRIEVE_USAGE_METRICS); httpFeed = HttpFeed.builder().entity(this).period(200).baseUri(managementUri) .credentials(getConfig(MANAGEMENT_USER), getConfig(MANAGEMENT_PASSWORD)) .poll(new HttpPollConfig<Integer>(MANAGEMENT_STATUS) .onSuccess(HttpValueFunctions.responseCode()).suppressDuplicates(true)) .poll(new HttpPollConfig<Boolean>(MANAGEMENT_URL_UP) .onSuccess(HttpValueFunctions.responseCodeEquals(200)) .onFailureOrException(Functions.constant(false)).suppressDuplicates(true)) .poll(new HttpPollConfig<Integer>(REQUEST_COUNT).vars(includeRuntimeUriVars) .onSuccess(HttpValueFunctions.jsonContents("requestCount", Integer.class)) .onFailureOrException(EntityFunctions.attribute(this, REQUEST_COUNT)) .enabled(retrieveUsageMetrics)) .poll(new HttpPollConfig<Integer>(ERROR_COUNT).vars(includeRuntimeUriVars) .onSuccess(HttpValueFunctions.jsonContents("errorCount", Integer.class)) .enabled(retrieveUsageMetrics)) .poll(new HttpPollConfig<Integer>(TOTAL_PROCESSING_TIME).vars(includeRuntimeUriVars) .onSuccess(HttpValueFunctions.jsonContents("processingTime", Integer.class)) .enabled(retrieveUsageMetrics)) .poll(new HttpPollConfig<Integer>(MAX_PROCESSING_TIME).vars(includeRuntimeUriVars) .onSuccess(HttpValueFunctions.jsonContents("maxTime", Integer.class)) .enabled(retrieveUsageMetrics)) .poll(new HttpPollConfig<Long>(BYTES_RECEIVED).vars(includeRuntimeUriVars) // jboss seems to report 0 even if it has received lots of requests; dunno why. .onSuccess(HttpValueFunctions.jsonContents("bytesReceived", Long.class)) .enabled(retrieveUsageMetrics)) .poll(new HttpPollConfig<Long>(BYTES_SENT).vars(includeRuntimeUriVars) .onSuccess(HttpValueFunctions.jsonContents("bytesSent", Long.class)) .enabled(retrieveUsageMetrics)) .build(); enrichers().add(Enrichers.builder().updatingMap(Attributes.SERVICE_NOT_UP_INDICATORS) .from(MANAGEMENT_URL_UP) .computing(Functionals.ifNotEquals(true).value("Management URL not reachable")).build()); } connectServiceUpIsRunning(); } /** * @deprecated since 0.9.0; now a no-op; marked final to force anyone sub-classing + overriding it to update their code. */ @Deprecated protected final void connectServiceUp() { } /** * @deprecated since 0.9.0; now a no-op; marked final to force anyone sub-classing + overriding it to update their code. */ @Deprecated protected final void disconnectServiceUp() { } @Override protected void disconnectSensors() { super.disconnectSensors(); if (httpFeed != null) httpFeed.stop(); disconnectServiceUpIsRunning(); } protected boolean isHttpMonitoringEnabled() { return Boolean.TRUE.equals(getConfig(USE_HTTP_MONITORING)); } public int getManagementHttpsPort() { return getAttribute(MANAGEMENT_HTTPS_PORT); } public int getManagementHttpPort() { return getAttribute(MANAGEMENT_HTTP_PORT); } public int getManagementNativePort() { return getAttribute(MANAGEMENT_NATIVE_PORT); } public int getPortOffset() { return getConfig(PORT_INCREMENT); } public boolean isWelcomeRootEnabled() { return false; } public String getBindAddress() { return getConfig(BIND_ADDRESS); } public String getManagementBindAddress() { return getConfig(BIND_ADDRESS); } public String getUnsecureBindAddress() { return getConfig(BIND_ADDRESS); } // If empty-string, disables Management security (!) by excluding the security-realm attribute public String getHttpManagementInterfaceSecurityRealm() { return ""; } public int getDeploymentTimeoutSecs() { return getConfig(DEPLOYMENT_TIMEOUT); } /** Path of the keystore file on the AS7 server */ public String getHttpsSslKeystoreFile() { return getDriver().getSslKeystoreFile(); } @Override public String getShortName() { return "JBossAS7"; } }