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Micro Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2016 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
package com.sun.enterprise.config.serverbeans;
import com.sun.enterprise.config.serverbeans.customvalidators.NotTargetKeyword;
import com.sun.enterprise.config.serverbeans.customvalidators.NotDuplicateTargetName;
import com.sun.enterprise.config.serverbeans.customvalidators.ConfigRefConstraint;
import com.sun.enterprise.config.serverbeans.customvalidators.ConfigRefValidator;
import com.sun.enterprise.config.serverbeans.customvalidators.ReferenceConstraint;
import com.sun.enterprise.config.util.ConfigApiLoggerInfo;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.io.FileUtils;
import com.sun.logging.LogDomains;
import java.io.*;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.config.support.*;
import static org.glassfish.config.support.Constants.NAME_SERVER_REGEX;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.config.*;
import org.glassfish.api.admin.config.Named;
import org.glassfish.api.admin.config.PropertyDesc;
import org.glassfish.api.admin.config.ReferenceContainer;
// import org.glassfish.virtualization.util.RuntimeContext;
import java.beans.PropertyVetoException;
import java.util.List;
import java.util.ArrayList;
import java.util.Random;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.api.admin.config.PropertiesDesc;
import org.jvnet.hk2.config.types.Property;
import org.jvnet.hk2.config.types.PropertyBag;
import org.glassfish.quality.ToDo;
import javax.inject.Inject;
import javax.validation.Payload;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;
/**
* A cluster defines a homogeneous set of server instances that share the same
* applications, resources, and configuration.
*/
@Configured
@SuppressWarnings("unused")
@ConfigRefConstraint(message="{configref.invalid}", payload= ConfigRefValidator.class)
@NotDuplicateTargetName(message="{cluster.duplicate.name}", payload=Cluster.class)
@ReferenceConstraint(skipDuringCreation=true, payload=Cluster.class)
public interface Cluster extends ConfigBeanProxy, PropertyBag, Named, SystemPropertyBag, ReferenceContainer, RefContainer, Payload {
/**
* Sets the cluster name
* @param value cluster name
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="name", primary = true)
@Override
public void setName(String value) throws PropertyVetoException;
@NotTargetKeyword(message="{cluster.reserved.name}", payload=Cluster.class)
@Pattern(regexp=NAME_SERVER_REGEX, message="{cluster.invalid.name}", payload=Cluster.class)
@Override
public String getName();
/**
* points to a named config. All server instances in the cluster
* will share this config.
*
* @return a named config name
*/
@Attribute
@NotNull
@Pattern(regexp=NAME_SERVER_REGEX)
@ReferenceConstraint.RemoteKey(message="{resourceref.invalid.configref}", type=Config.class)
String getConfigRef();
/**
* Sets the value of the configRef property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="config", optional=true)
@I18n("generic.config")
void setConfigRef(String value) throws PropertyVetoException;
/**
* Gets the value of the gmsEnabled property.
*
* When "gms-enabled" is set to "true", the GMS services will be
* started as a lifecycle module in each the application server in the
* cluster.
*
* @return true | false as a string, null means false
*/
@Attribute (defaultValue="true", dataType=Boolean.class, required=true)
@NotNull
String getGmsEnabled();
/**
* Sets the value of the gmsEnabled property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="gmsenabled", optional=true)
void setGmsEnabled(String value) throws PropertyVetoException;
/**
* Gets the value of the broadcast property.
*
* When "broadcast" is set to default of "udpmulticast" and GmsMulticastPort
* GMSMulticastAddress are not set, then their values are generated.
* When "broadcast" is set to implied unicast using udp or tcp protocol,
* then the VIRUTAL_MUTLICAST_URI_LIST is generated
* for virtual broadcast over unicast mode.
*
* @return true | false as a string, null means false
*/
@Attribute (defaultValue="udpmulticast", dataType=String.class, required=true)
@NotNull
String getBroadcast();
/**
* Sets the value of the broadcast property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="gmsbroadcast", optional=true)
void setBroadcast(String value) throws PropertyVetoException;
/**
* Gets the value of the gmsMulticastPort property.
*
* This is the communication port GMS uses to listen for group events.
* This should be a valid port number.
*
* @return possible object is
* {@link String }
*/
@Attribute
@Min(value=2048)
@Max(value=49151) // fix bug 13475586
String getGmsMulticastPort();
/**
* Sets the value of the gmsMulticastPort property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="multicastport", optional=true, alias="heartbeatport")
void setGmsMulticastPort(String value) throws PropertyVetoException;
/**
* Gets the value of the gmsMulticastAddress property.
*
* This is the address (only multicast supported) at which GMS will
* listen for group events. Must be unique for each cluster.
*
* @return possible object is
* {@link String }
*/
@Attribute
String getGmsMulticastAddress();
/**
* Sets the value of the gmsMulticastAddress property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="multicastaddress", optional=true, alias="heartbeataddress")
void setGmsMulticastAddress(String value) throws PropertyVetoException;
/**
* Gets the value of the gmsBindInterfaceAddress property.
*
* @return possible object is
* {@link String }
*/
@Attribute
String getGmsBindInterfaceAddress();
/**
* Sets the value of the gmsBindInterfaceAddress property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Param(name="bindaddress", optional=true)
void setGmsBindInterfaceAddress(String value) throws PropertyVetoException;
/**
* Gets the value of the heartbeatEnabled property.
*
* When "heartbeat-enabled" is set to "true", the GMS services will be
* started as a lifecycle module in each the application server in the
* cluster.When "heartbeat-enabled" is set to "false", GMS will not be
* started and its services will be unavailable. Clusters should function
* albeit with reduced functionality.
*
* @return true | false as a string, null means false
*/
@Deprecated
@Attribute
String getHeartbeatEnabled();
/**
* Sets the value of the heartbeatEnabled property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Deprecated
void setHeartbeatEnabled(String value) throws PropertyVetoException;
/**
* Gets the value of the heartbeatPort property.
*
* This is the communication port GMS uses to listen for group events.
* This should be a valid port number.
*
* @return possible object is
* {@link String }
*/
@Attribute
//@Min(value=2048)
//@Max(value=49151)
@Deprecated
String getHeartbeatPort();
/**
* Sets the value of the heartbeatPort property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Deprecated
void setHeartbeatPort(String value) throws PropertyVetoException;
/**
* Gets the value of the heartbeatAddress property.
*
* This is the address (only multicast supported) at which GMS will
* listen for group events.
*
* @return possible object is
* {@link String }
*/
@Attribute
@Deprecated
String getHeartbeatAddress();
/**
* Sets the value of the heartbeatAddress property.
*
* @param value allowed object is
* {@link String }
* @throws PropertyVetoException if a listener vetoes the change
*/
@Deprecated
void setHeartbeatAddress(String value) throws PropertyVetoException;
/**
* Gets the value of the serverRef property.
*
* List of servers in the cluster
*
* @return list of configured {@link ServerRef }
*/
@Element
List getServerRef();
/**
* Gets the value of the systemProperty property.
*
*
* This accessor method returns a reference to the live list,
* not a snapshot. Therefore any modification you make to the
* returned list will be present inside the JAXB object.
* This is why there is not a set method for the systemProperty property.
*
*
* For example, to add a new item, do as follows:
*
* getSystemProperty().add(newItem);
*
*
*
*
* Objects of the following type(s) are allowed in the list
* {@link SystemProperty }
*/
@Element
@ToDo(priority=ToDo.Priority.IMPORTANT, details="Provide PropertyDesc for legal system props" )
@Param(name="systemproperties",optional=true)
@Override
List getSystemProperty();
/**
* Properties as per {@link org.jvnet.hk2.config.types.PropertyBag}
*/
@ToDo(priority=ToDo.Priority.IMPORTANT, details="Complete PropertyDesc for legal props" )
@PropertiesDesc(props={
@PropertyDesc(name="GMS_LISTENER_PORT", defaultValue = "9090",
description = "GMS listener port")
})
@Element
@Param(name="properties", optional=true)
@Override
List getProperty();
@Element("*")
List getExtensions();
/**
* Returns the cluster configuration reference
* @return the config-ref attribute
*/
@DuckTyped
@Override
String getReference();
@DuckTyped
List getInstances();
@DuckTyped
public ServerRef getServerRefByRef(String ref);
// four trivial methods that ReferenceContainer's need to implement
@DuckTyped
@Override
boolean isCluster();
@DuckTyped
@Override
boolean isServer();
@DuckTyped
@Override
boolean isDas();
@DuckTyped
@Override
boolean isInstance();
@DuckTyped
boolean isVirtual();
@DuckTyped
ApplicationRef getApplicationRef(String appName);
@DuckTyped
ResourceRef getResourceRef(String refName);
@DuckTyped
boolean isResourceRefExists(String refName);
@DuckTyped
void createResourceRef(String enabled, String refName) throws TransactionFailure;
@DuckTyped
void deleteResourceRef(String refName) throws TransactionFailure;
@DuckTyped
List getExtensionsByType(Class type);
@DuckTyped
T getExtensionsByTypeAndName(Class type, String name);
class Duck {
public static boolean isCluster(Cluster me) { return true; }
public static boolean isServer(Cluster me) { return false; }
public static boolean isInstance(Cluster me) { return false; }
public static boolean isDas(Cluster me) { return false; }
public static String getReference(Cluster cluster) {
return cluster.getConfigRef();
}
public static boolean isVirtual(Cluster me) {
return !me.getExtensionsByType(VirtualMachineExtension.class).isEmpty();
}
public static List getInstances(Cluster cluster) {
Dom clusterDom = Dom.unwrap(cluster);
Domain domain =
clusterDom.getHabitat().getService(Domain.class);
ArrayList instances = new ArrayList();
for (ServerRef sRef : cluster.getServerRef()) {
Server svr = domain.getServerNamed(sRef.getRef());
// the instance's domain.xml only has its own server
// element and not other server elements in the cluster
if (svr != null) {
instances.add(domain.getServerNamed(sRef.getRef()));
}
}
return instances;
}
public static ServerRef getServerRefByRef(Cluster c, String name) {
for (ServerRef ref : c.getServerRef()) {
if (ref.getRef().equals(name)) {
return ref;
}
}
return null;
}
public static ApplicationRef getApplicationRef(Cluster cluster,
String appName) {
for (ApplicationRef appRef : cluster.getApplicationRef()) {
if (appRef.getRef().equals(appName)) {
return appRef;
}
}
return null;
}
public static ResourceRef getResourceRef(Cluster cluster, String refName) {
for (ResourceRef ref : cluster.getResourceRef()) {
if (ref.getRef().equals(refName)) {
return ref;
}
}
return null;
}
public static boolean isResourceRefExists(Cluster cluster, String refName) {
return getResourceRef(cluster, refName) != null;
}
public static void deleteResourceRef(Cluster cluster, String refName) throws TransactionFailure {
final ResourceRef ref = getResourceRef(cluster, refName);
if (ref != null) {
ConfigSupport.apply(new SingleConfigCode() {
public Object run(Cluster param) {
return param.getResourceRef().remove(ref);
}
}, cluster);
}
}
public static void createResourceRef(Cluster cluster, final String enabled, final String refName) throws TransactionFailure {
ConfigSupport.apply(new SingleConfigCode() {
public Object run(Cluster param) throws PropertyVetoException, TransactionFailure {
ResourceRef newResourceRef = param.createChild(ResourceRef.class);
newResourceRef.setEnabled(enabled);
newResourceRef.setRef(refName);
param.getResourceRef().add(newResourceRef);
return newResourceRef;
}
}, cluster);
}
public static List getExtensionsByType(Cluster cluster, Class type) {
List extensions = new ArrayList();
for (ClusterExtension ce : cluster.getExtensions()) {
try {
type.cast(ce);
extensions.add((T) ce);
} catch (ClassCastException e) {
// ignore, not the right type
}
}
return extensions;
}
public static T getExtensionsByTypeAndName(Cluster cluster, Class type, String name) {
for (ClusterExtension ce : cluster.getExtensions()) {
try {
type.cast(ce);
if (ce.getName().equals(name)) {
return type.cast(ce);
}
} catch (ClassCastException e) {
// ignore, not the right type
}
}
return null;
}
}
@Service
@PerLookup
class Decorator implements CreationDecorator {
@Param(name="config", optional=true)
String configRef=null;
@Param(optional = true,obsolete=true)
String hosts=null;
@Param(optional = true,obsolete=true)
String haagentport;
@Param(optional = true,obsolete=true)
String haadminpassword=null;
@Param(optional = true,obsolete=true)
String haadminpasswordfile=null;
@Param(optional = true,obsolete=true)
String devicesize=null;
@Param(optional = true,obsolete=true)
String haproperty=null;
@Param(optional = true,obsolete=true)
String autohadb=null;
@Param(optional = true,obsolete=true)
String portbase=null;
@Inject
ServiceLocator habitat;
@Inject
ServerEnvironment env;
@Inject
Domain domain;
@Inject
CommandRunner runner;
// @Inject
// RuntimeContext rtContext;
/**
* Decorates the newly CRUD created cluster configuration instance.
* tasks :
* - ensures that it references an existing configuration
* - creates a new config from the default-config if no config-ref
* was provided.
* - check for deprecated parameters.
*
* @param context administration command context
* @param instance newly created configuration element
* @throws TransactionFailure
* @throws PropertyVetoException
*/
@Override
public void decorate(AdminCommandContext context, final Cluster instance) throws TransactionFailure, PropertyVetoException {
Logger logger = ConfigApiLoggerInfo.getLogger();
LocalStringManagerImpl localStrings = new LocalStringManagerImpl(Cluster.class);
Transaction t = Transaction.getTransaction(instance);
//check if cluster software is installed else fail , see issue 12023
final CopyConfig command = (CopyConfig) runner
.getCommand("copy-config", context.getActionReport(), context.getLogger());
if (command == null ) {
throw new TransactionFailure(localStrings.getLocalString("cannot.execute.command",
"Cluster software is not installed"));
}
final String instanceName = instance.getName();
if (instance.getGmsBindInterfaceAddress() == null) {
instance.setGmsBindInterfaceAddress(String.format(
"${GMS-BIND-INTERFACE-ADDRESS-%s}",
instanceName));
}
if (configRef==null) {
Config config = habitat.getService(Config.class, "default-config");
if (config==null) {
config = habitat.getAllServices(Config.class).iterator().next();
logger.log(Level.WARNING,ConfigApiLoggerInfo.noDefaultConfigFound,
new Object[]{config.getName(), instance.getName()});
}
Configs configs = domain.getConfigs();
Configs writableConfigs = t.enroll(configs);
final String configName = instance.getName() + "-config";
instance.setConfigRef(configName);
command.copyConfig(writableConfigs,config,configName,logger);
} else {
// cluster using specified config
Config specifiedConfig = domain.getConfigs().getConfigByName(configRef);
if (specifiedConfig == null) {
throw new TransactionFailure(localStrings.getLocalString(
"noSuchConfig", "Configuration {0} does not exist.", configRef));
}
}
Property gmsListenerPort = instance.getProperty("GMS_LISTENER_PORT");
boolean needToAddGmsListenerPort = false;
if (gmsListenerPort == null) {
needToAddGmsListenerPort = true;
gmsListenerPort = instance.createChild(Property.class);
gmsListenerPort.setName("GMS_LISTENER_PORT");
gmsListenerPort.setValue(String.format("${GMS_LISTENER_PORT-%s}", instanceName));
// do not add gmsListenerPort until know whether it needs to be fixed or symbolic.
// for non-multicast with generate or list of ip addresses, port needs to be a fixed value
// all members of cluster. for non-multicast with list of uri, the GMS_LISTENER_PORT is
// set to symbolic system environment variable that is set different for each instance of cluster.
}
// handle generation of udp multicast and non-multicast mode for DAS managed cluster.
// inspect cluster attribute broadcast and cluster property GMS_DISCOVERY_URI_LIST.
String DEFAULT_BROADCAST = "udpmulticast";
String broadcastProtocol = instance.getBroadcast();
Property discoveryUriListProp = instance.getProperty("GMS_DISCOVERY_URI_LIST");
String discoveryUriList = discoveryUriListProp != null ? discoveryUriListProp.getValue() : null;
if (discoveryUriList != null && DEFAULT_BROADCAST.equals(broadcastProtocol)) {
// override default broadcast protocol of udp multicast when GMS_DISCOVERY_URI_LIST has been set.
instance.setBroadcast("tcp");
broadcastProtocol = "tcp";
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE,ConfigApiLoggerInfo.clusterGSMBroadCast, instance.getBroadcast());
logger.log(Level.FINE, ConfigApiLoggerInfo.clusterGSMDeliveryURI , discoveryUriList);
}
if (DEFAULT_BROADCAST.equals(broadcastProtocol)) {
// only generate these values when they are not set AND broadcastProtocol is set to enable UDP multicast.
// Note: that this is the default for DAS controlled clusters.
if (instance.getGmsMulticastAddress() == null) {
instance.setGmsMulticastAddress(generateHeartbeatAddress());
}
if (instance.getGmsMulticastPort() == null) {
instance.setGmsMulticastPort(generateHeartbeatPort());
}
if (needToAddGmsListenerPort) {
instance.getProperty().add(gmsListenerPort);
}
} else {
final String GENERATE = "generate";
// cover case that broadcast is set to non-multicast and no
// cluster property GMS_DISCOVERY_URI_LIST exists.
// create the property and set to "generate".
// gms-adapter will handle generation of the list when needed
if (discoveryUriListProp == null) {
discoveryUriListProp = instance.createChild(Property.class);
discoveryUriListProp.setName("GMS_DISCOVERY_URI_LIST");
discoveryUriListProp.setValue(GENERATE);
instance.getProperty().add(discoveryUriListProp);
}
String TCPPORT = gmsListenerPort.getValue();
if (GENERATE.equals(discoveryUriListProp.getValue())) {
// TODO: implement UDP unicast.
// Only tcp mode is supported now.
// So either "udpunicast" or "tcp" for broadcast mode is treated the same.
if (TCPPORT == null || TCPPORT.trim().charAt(0) == '$') {
// generate a random port since user did not provide one.
// better fix in future would be to walk existing clusters and pick an unused port.
TCPPORT = Integer.toString(new Random(System.currentTimeMillis()).nextInt(9200 - 9090) + 9090);
// hardcode all instances to use same default port.
// generate mode does not support multiple instances on one machine.
gmsListenerPort.setValue(TCPPORT);
if (needToAddGmsListenerPort) {
instance.getProperty().add(gmsListenerPort);
}
}
} else {
// lookup server-config and set environment property value
// GMS_LISTENER_PORT-clusterName to fixed value.
Config config = habitat.getService(Config.class, "server-config");
if (config != null) {
String propName = String.format("GMS_LISTENER_PORT-%s", instanceName);
if (config.getProperty(propName) == null ) {
Config writeableConfig = t.enroll(config);
SystemProperty gmsListenerPortSysProp = instance.createChild(SystemProperty.class);
gmsListenerPortSysProp.setName(propName);
if (TCPPORT == null || TCPPORT.trim().charAt(0) == '$') {
String generateGmsListenerPort = Integer.toString(
new Random(System.currentTimeMillis()).nextInt(9200 - 9090) + 9090);
gmsListenerPortSysProp.setValue(generateGmsListenerPort);
} else {
gmsListenerPortSysProp.setValue(TCPPORT);
}
writeableConfig.getSystemProperty().add(gmsListenerPortSysProp);
}
}
if (needToAddGmsListenerPort) {
instance.getProperty().add(gmsListenerPort);
}
}
}
Resources resources = domain.getResources();
for (Resource resource : resources.getResources()) {
if (Resource.Duck.copyToInstance(resource)) {
String name=null;
if (resource instanceof BindableResource) {
name = ((BindableResource) resource).getJndiName();
}
if (resource instanceof Named) {
name = ((Named) resource).getName();
}
if (name==null) {
throw new TransactionFailure("Cannot add un-named resources to the new server instance");
}
ResourceRef newResourceRef = instance.createChild(ResourceRef.class);
newResourceRef.setRef(name);
instance.getResourceRef().add(newResourceRef);
}
}
for (Application application : domain.getApplications().getApplications()) {
if (application.getObjectType().equals("system-all") || application.getObjectType().equals("system-instance")) {
ApplicationRef newAppRef = instance.createChild(ApplicationRef.class);
newAppRef.setRef(application.getName());
instance.getApplicationRef().add(newAppRef);
}
}
if (hosts!=null ||
haagentport!=null ||
haadminpassword!=null ||
haadminpasswordfile!=null ||
devicesize!=null ||
haproperty!=null ||
autohadb!=null ||
portbase!=null
) {
context.getActionReport().setActionExitCode(ActionReport.ExitCode.WARNING);
context.getActionReport().setMessage("Obsolete options used.");
}
}
private String generateHeartbeatPort() {
final int MIN_GMS_MULTICAST_PORT = 2048;
final int MAX_GMS_MULTICAST_PORT = 32000; // be pessimistic for generation of random port and assume
// ephemeral port range between 32k to 64k.
int portInterval = MAX_GMS_MULTICAST_PORT - MIN_GMS_MULTICAST_PORT;
return Integer.toString(Math.round((float)(Math.random() * portInterval)) + MIN_GMS_MULTICAST_PORT);
}
private String generateHeartbeatAddress () {
final int MAX_GMS_MULTICAST_ADDRESS_SUBRANGE = 255;
final StringBuffer heartbeatAddressBfr = new StringBuffer( "228.9.");
heartbeatAddressBfr.append(Math.round(Math.random()*MAX_GMS_MULTICAST_ADDRESS_SUBRANGE))
.append('.')
.append(Math.round(Math.random()*MAX_GMS_MULTICAST_ADDRESS_SUBRANGE));
return heartbeatAddressBfr.toString();
}
}
@Service
@PerLookup
class DeleteDecorator implements DeletionDecorator {
@Param(name="nodeagent", optional=true,obsolete=true)
String nodeagent;
// for backward compatibility, ignored.
@Param(name="autohadboverride", optional=true,obsolete=true)
String autohadboverride;
@Inject
private Domain domain;
@Inject
Configs configs;
@Inject
private ServerEnvironment env;
@Inject
CommandRunner runner;
@Override
public void decorate(AdminCommandContext context, Clusters parent, Cluster child) throws
PropertyVetoException, TransactionFailure{
Logger logger = ConfigApiLoggerInfo.getLogger();
LocalStringManagerImpl localStrings = new LocalStringManagerImpl(Cluster.class);
final ActionReport report = context.getActionReport();
// check to see if the clustering software is installed
AdminCommand command = runner.getCommand("copy-config", report, context.getLogger());
if (command == null) {
String msg = localStrings.getLocalString("cannot.execute.command",
"Cluster software is not installed");
throw new TransactionFailure(msg);
}
String instanceConfig = child.getConfigRef();
final Config config = configs.getConfigByName(instanceConfig);
Transaction t = Transaction.getTransaction(parent);
//check if the cluster contains instances throw error that cluster
//cannot be deleted
//issue 12172
List serverRefs = child.getServerRef();
StringBuffer namesOfServers = new StringBuffer();
if (serverRefs.size() > 0) {
for (ServerRef serverRef: serverRefs){
namesOfServers.append(new StringBuffer( serverRef.getRef()).append( ','));
}
final String msg = localStrings.getLocalString(
"Cluster.hasInstances",
"Cluster {0} contains server instances {1} and must not contain any instances"
,child.getName() ,namesOfServers.toString()
);
logger.log(Level.SEVERE, ConfigApiLoggerInfo.clusterMustNotContainInstance,new Object[]{child.getName() ,namesOfServers.toString()});
throw new TransactionFailure(msg);
}
// remove GMS_LISTENER_PORT-clusterName prop from server config
Config serverConfig = configs.getConfigByName("server-config");
String propName = String.format(
"GMS_LISTENER_PORT-%s", child.getName());
SystemProperty gmsProp = serverConfig.getSystemProperty(propName);
if (gmsProp != null && t != null) {
Config c = t.enroll(serverConfig);
List propList = c.getSystemProperty();
propList.remove(gmsProp);
}
// check if the config is null or still in use by some other
// ReferenceContainer or is not -config -- if so just return...
if(config == null || domain.getReferenceContainersOf(config).size() > 1 || !instanceConfig.equals(child.getName() + "-config"))
return;
try {
File configConfigDir = new File(env.getConfigDirPath(), config.getName());
FileUtils.whack(configConfigDir);
}
catch(Exception e) {
// no big deal - just ignore
}
try {
if (t != null) {
Configs c = t.enroll(configs);
List configList = c.getConfig();
configList.remove(config);
}
} catch (TransactionFailure ex) {
logger.log(Level.SEVERE, ConfigApiLoggerInfo.deleteConfigFailed, new Object[]{instanceConfig, ex});
String msg = ex.getMessage() != null ? ex.getMessage()
: localStrings.getLocalString("deleteConfigFailed",
"Unable to remove config {0}", instanceConfig);
report.setMessage(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setFailureCause(ex);
throw ex;
}
}
}
}
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