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Brooklyn entities for Web App software processes
/*
* 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 static java.lang.String.format;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.entity.software.base.SoftwareProcess;
import org.apache.brooklyn.entity.webapp.JavaWebAppSshDriver;
import org.apache.brooklyn.util.text.Identifiers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.brooklyn.location.ssh.SshMachineLocation;
import org.apache.brooklyn.util.collections.MutableList;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.net.Networking;
import org.apache.brooklyn.util.os.Os;
import org.apache.brooklyn.util.ssh.BashCommands;
import org.apache.brooklyn.util.text.Strings;
import org.apache.brooklyn.util.time.Duration;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import com.google.common.hash.Hashing;
import com.google.common.io.BaseEncoding;
public class JBoss7SshDriver extends JavaWebAppSshDriver implements JBoss7Driver {
private static final Logger LOG = LoggerFactory.getLogger(JBoss7SshDriver.class);
// TODO more configurability of config files, java memory, etc
public static final String SERVER_TYPE = "standalone";
public static final String CONFIG_FILE = "standalone-brooklyn.xml";
public static final String KEYSTORE_FILE = ".keystore";
public static final String MANAGEMENT_REALM = "ManagementRealm";
public JBoss7SshDriver(JBoss7ServerImpl entity, SshMachineLocation machine) {
super(entity, machine);
}
@Override
public JBoss7ServerImpl getEntity() {
return (JBoss7ServerImpl) super.getEntity();
}
@Override
public String getSslKeystoreFile() {
return Os.mergePathsUnix(getRunDir(), SERVER_TYPE, "configuration", KEYSTORE_FILE);
}
protected String getTemplateConfigurationUrl() {
return entity.getConfig(JBoss7Server.TEMPLATE_CONFIGURATION_URL);
}
@Override
protected String getLogFileLocation() {
return Os.mergePathsUnix(getRunDir(), SERVER_TYPE, "log/server.log");
}
@Override
protected String getDeploySubdir() {
return Os.mergePathsUnix(SERVER_TYPE, "deployments");
}
private Integer getManagementHttpPort() {
return entity.getAttribute(JBoss7Server.MANAGEMENT_HTTP_PORT);
}
private Integer getManagementHttpsPort() {
return entity.getAttribute(JBoss7Server.MANAGEMENT_HTTPS_PORT);
}
private Integer getManagementNativePort() {
return entity.getAttribute(JBoss7Server.MANAGEMENT_NATIVE_PORT);
}
private String getManagementUsername() {
return entity.getConfig(JBoss7Server.MANAGEMENT_USER);
}
private String getManagementPassword() {
return entity.getConfig(JBoss7Server.MANAGEMENT_PASSWORD);
}
@Override
public void prepare() {
resolver = Entities.newDownloader(this);
setExpandedInstallDir(Os.mergePaths(getInstallDir(), resolver.getUnpackedDirectoryName(format("jboss-as-%s", getVersion()))));
}
@Override
public boolean installJava() {
/*
* JBoss only works on Java 7 or lower, see here: https://developer.jboss.org/message/808212
*/
return checkForAndInstallJava("1.7");
}
@Override
public void install() {
List urls = resolver.getTargets();
String saveAs = resolver.getFilename();
List commands = new LinkedList();
commands.addAll(BashCommands.commandsToDownloadUrlsAs(urls, saveAs));
commands.add(BashCommands.INSTALL_TAR);
commands.add("tar xzfv " + saveAs);
newScript(INSTALLING)
// don't set vars yet -- it resolves dependencies (e.g. DB) which we don't want until we start
.environmentVariablesReset()
.body.append(commands)
.execute();
}
/**
* AS7 config notes and TODOs:
* We're using the http management interface on port managementPort
* We're not using any JMX.
* - AS 7 simply doesn't boot with Sun JMX enabled (https://issues.jboss.org/browse/JBAS-7427)
* - 7.1 onwards uses Remoting 3, which we haven't configured
* - We have generic support for jmxmp, which one could configure
* We're completely disabling security on the management interface.
* - In the future we probably want to use the as7/bin/add-user.sh script using config keys for user and password
* - Or we could create our own security realm and use that.
* We disable the root welcome page, since we can't deploy our own root otherwise
* We bind all interfaces to entity.hostname, rather than 127.0.0.1.
*/
@Override
public void customize() {
// Check that a password was set for the management user
Preconditions.checkState(Strings.isNonBlank(getManagementUsername()), "User for management realm required");
String managementPassword = getManagementPassword();
if (Strings.isBlank(managementPassword)) {
LOG.debug(this+" has no password specified for "+JBoss7Server.MANAGEMENT_PASSWORD.getName()+"; using a random string");
entity.config().set(JBoss7Server.MANAGEMENT_PASSWORD, Identifiers.makeRandomPassword(8));
}
String hashedPassword = hashPassword(getManagementUsername(), getManagementPassword(), MANAGEMENT_REALM);
// Check that ports are all configured
Map ports = MutableMap.builder()
.put("managementHttpPort", getManagementHttpPort())
.put("managementHttpsPort", getManagementHttpsPort())
.put("managementNativePort", getManagementNativePort())
.build();
if (isProtocolEnabled("HTTP")) {
ports.put("httpPort", getHttpPort());
}
if (isProtocolEnabled("HTTPS")) {
ports.put("httpsPort", getHttpsPort());
}
Networking.checkPortsValid(ports);
// Check hostname is defined
String hostname = entity.getAttribute(SoftwareProcess.HOSTNAME);
Preconditions.checkNotNull(hostname, "AS 7 entity must set hostname otherwise server will only be visible on localhost");
// Copy the install files to the run-dir and add the management user
newScript(CUSTOMIZING)
// don't set vars yet -- it resolves dependencies (e.g. DB) which we don't want until we start
.environmentVariablesReset()
.body.append(
format("cp -r %s/%s . || exit $!", getExpandedInstallDir(), SERVER_TYPE),
format("echo -e '\n%s=%s' >> %s/%s/configuration/mgmt-users.properties",
getManagementUsername(), hashedPassword, getRunDir(), SERVER_TYPE)
)
.execute();
// Copy the keystore across, if there is one
if (isProtocolEnabled("HTTPS")) {
String keystoreUrl = Preconditions.checkNotNull(getSslKeystoreUrl(), "keystore URL must be specified if using HTTPS for "+entity);
String destinationSslKeystoreFile = getSslKeystoreFile();
InputStream keystoreStream = resource.getResourceFromUrl(keystoreUrl);
getMachine().copyTo(keystoreStream, destinationSslKeystoreFile);
}
// Copy the configuration file across
String destinationConfigFile = Os.mergePathsUnix(getRunDir(), SERVER_TYPE, "configuration", CONFIG_FILE);
copyTemplate(getTemplateConfigurationUrl(), destinationConfigFile);
// Copy the initial wars to the deploys directory
getEntity().deployInitialWars();
}
@Override
public void launch() {
entity.sensors().set(JBoss7Server.PID_FILE, Os.mergePathsUnix(getRunDir(), PID_FILENAME));
// We wait for evidence of JBoss running because, using SshCliTool,
// we saw the ssh session return before the JBoss process was fully running
// so the process failed to start.
newScript(MutableMap.of(USE_PID_FILE, false), LAUNCHING)
.body.append(
"export LAUNCH_JBOSS_IN_BACKGROUND=true",
format("export JBOSS_HOME=%s", getExpandedInstallDir()),
format("export JBOSS_PIDFILE=%s/%s", getRunDir(), PID_FILENAME),
"mv "+getRunDir()+"/console "+getRunDir()+"/console-$(date +\"%Y%m%d.%H%M.%S\") || true",
format("%s/bin/%s.sh ", getExpandedInstallDir(), SERVER_TYPE) +
format("--server-config %s ", CONFIG_FILE) +
format("-Djboss.server.base.dir=%s/%s ", getRunDir(), SERVER_TYPE) +
format("\"-Djboss.server.base.url=file://%s/%s\" ", getRunDir(), SERVER_TYPE) +
"-Djava.net.preferIPv4Stack=true " +
"-Djava.net.preferIPv6Addresses=false " +
format(" >> %s/console 2>&1 getCustomJavaConfigOptions() {
return MutableList.builder()
.addAll(super.getCustomJavaConfigOptions())
.add("-Xms200m")
.add("-Xmx800m")
.add("-XX:MaxPermSize=400m")
.build();
}
/**
* Creates a hash of a username, password and security realm that is suitable for use
* with AS7 and Wildfire.
*
* Although AS7 has an add-user.sh script it is unsuitable for use in
* non-interactive modes. (See AS7-5061 for details.) Versions 7.1.2+ (EAP) accept
* a --silent flag. When this entity is updated past 7.1.1 we should
* probably use that instead.
*
* This method mirrors AS7 and Wildfire's method of hashing user's passwords. Refer
* to its class UsernamePasswordHashUtil.generateHashedURP for their
* implementation.
*
* @see AS7-5061
* @see
* UsernamePasswordHashUtil.generateHashedURP
* @return HEX(MD5(username ':' realm ':' password))
*/
public static String hashPassword(String username, String password, String realm) {
String concat = username + ":" + realm + ":" + password;
byte[] hashed = Hashing.md5().hashString(concat, Charsets.UTF_8).asBytes();
return BaseEncoding.base16().lowerCase().encode(hashed);
}
}