/*
* 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 org.apache.karaf.cellar.config.shell;
import org.apache.karaf.cellar.config.ClusterConfigurationEvent;
import org.apache.karaf.cellar.config.Constants;
import org.apache.karaf.cellar.core.Configurations;
import org.apache.karaf.cellar.core.Group;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.karaf.cellar.core.control.SwitchStatus;
import org.apache.karaf.cellar.core.event.EventProducer;
import org.apache.karaf.cellar.core.event.EventType;
import java.util.Map;
import java.util.Properties;
@Command(scope = "cluster", name = "config-propset", description = "Set a property in a configuration in a cluster group")
public class PropSetCommand extends ConfigCommandSupport {
@Argument(index = 0, name = "group", description = "The cluster group name", required = true, multiValued = false)
String groupName;
@Argument(index = 1, name = "pid", description = "The configuration PID", required = true, multiValued = false)
String pid;
@Argument(index = 2, name = "key", description = "The property key", required = true, multiValued = false)
String key;
@Argument(index = 3, name = "value", description = "The property value", required = true, multiValued = false)
String value;
private EventProducer eventProducer;
@Override
protected Object doExecute() throws Exception {
// check if the group exists
Group group = groupManager.findGroupByName(groupName);
if (group == null) {
System.err.println("Cluster group " + groupName + " doesn't exist");
return null;
}
// check if the producer is ON
if (eventProducer.getSwitch().getStatus().equals(SwitchStatus.OFF)) {
System.err.println("Cluster event producer is OFF");
return null;
}
// check if the config pid is allowed
if (!isAllowed(group, Constants.CATEGORY, pid, EventType.OUTBOUND)) {
System.err.println("Configuration PID " + pid + " is blocked outbound for cluster group " + groupName);
return null;
}
Map<String, Properties> clusterConfigurations = clusterManager.getMap(Constants.CONFIGURATION_MAP + Configurations.SEPARATOR + groupName);
if (clusterConfigurations != null) {
// update configurations in the cluster group
Properties clusterProperties = clusterConfigurations.get(pid);
if (clusterProperties == null) {
clusterProperties = new Properties();
}
clusterProperties.put(key, value);
clusterConfigurations.put(pid, clusterProperties);
// broadcast the cluster event
ClusterConfigurationEvent event = new ClusterConfigurationEvent(pid);
event.setSourceGroup(group);
eventProducer.produce(event);
} else {
System.out.println("No configuration found in cluster group " + groupName);
}
return null;
}
public EventProducer getEventProducer() {
return eventProducer;
}
public void setEventProducer(EventProducer eventProducer) {
this.eventProducer = eventProducer;
}
}