/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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.jclouds.karaf.commands.compute;
import java.util.Dictionary;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.Option;
import org.jclouds.apis.Apis;
import org.jclouds.compute.ComputeService;
import org.jclouds.karaf.core.Constants;
import org.jclouds.karaf.utils.EnvHelper;
import org.jclouds.providers.Providers;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.cm.Configuration;
import org.osgi.service.cm.ConfigurationAdmin;
@Command(scope = "jclouds", name = "compute-service-create", description = "Creates a compute service", detailedDescription = "classpath:compute-service-create.txt")
public class ComputeServiceCreateCommand extends ComputeCommandWithOptions {
@Option(name = "--add-option", multiValued = true, description = "Adds a key value pair to the configuration.")
protected String[] options;
@Option(name = "--no-wait", multiValued = true, description = "Don't wait for compute service registration.")
protected boolean noWait;
private BundleContext bundleContext;
@Override
protected Object doExecute() throws Exception {
if (provider == null && api == null) {
System.err.println("You need to specify at least a valid provider or api.");
return null;
}
if (name == null && provider != null) {
name = provider;
} else if (name == null && api != null) {
name = api;
}
Map<String, String> props = parseOptions(options);
registerComputeService(configAdmin, name, provider, api, identity, credential, endpoint, props);
if (noWait) {
return null;
} else if (!isProviderOrApiInstalled(provider, api)) {
System.out.println("Provider / api currently not installed. Service will be created once it does get installed.");
return null;
} else {
System.out.println(String.format("Waiting for compute service with name: %s.", name));
waitForComputeService(bundleContext, name, provider, api);
}
return null;
}
/**
* Returns true if provider or api is currently installed.
*
* @param provider
* @param api
* @return
*/
private boolean isProviderOrApiInstalled(String provider, String api) {
boolean providerOrApiFound = false;
try {
Providers.withId(provider);
providerOrApiFound = true;
} catch (Exception ex) {
// ignore
}
try {
Apis.withId(api);
providerOrApiFound = true;
} catch (Exception ex) {
// ignore
}
return providerOrApiFound;
}
/**
* Creates a {@link Map} from the specified key / value options specified.
*
* @param options
* @return
*/
private Map<String, String> parseOptions(String[] options) {
Map<String, String> props = new HashMap<String, String>();
if (options != null && options.length >= 1) {
for (String option : options) {
if (option.contains("=")) {
String key = option.substring(0, option.indexOf("="));
String value = option.substring(option.indexOf("=") + 1);
props.put(key, value);
}
}
}
return props;
}
/**
* Registers a {@link ComputeService}
*
*
* @param configurationAdmin
* @param name
* @param provider
* @param api
* @param identity
* @param credential
* @param endpoint
* @param props
* @throws Exception
*/
private void registerComputeService(final ConfigurationAdmin configurationAdmin,final String name, final String provider,
final String api, final String identity, final String credential, final String endpoint,
final Map<String, String> props) throws Exception {
Runnable registrationTask = new Runnable() {
@Override
public void run() {
try {
Configuration configuration = findOrCreateFactoryConfiguration(configurationAdmin, "org.jclouds.compute", name, provider, api);
if (configuration != null) {
@SuppressWarnings("unchecked")
Dictionary<Object, Object> dictionary = configuration.getProperties();
if (dictionary == null) {
dictionary = new Properties();
}
String providerValue = EnvHelper.getComputeProvider(provider);
String apiValue = EnvHelper.getComputeApi(api);
String identityValue = EnvHelper.getComputeIdentity(identity);
String credentialValue = EnvHelper.getComputeCredential(credential);
String endpointValue = EnvHelper.getComputeEndpoint(endpoint);
if (name != null) {
dictionary.put(Constants.NAME, name);
}
if (providerValue != null) {
dictionary.put(Constants.PROVIDER, providerValue);
}
if (apiValue != null) {
dictionary.put(Constants.API, apiValue);
}
if (endpointValue != null) {
dictionary.put(Constants.ENDPOINT, endpointValue);
}
if (credentialValue != null) {
dictionary.put(Constants.CREDENTIAL, credentialValue);
}
if (identityValue != null) {
dictionary.put(Constants.IDENTITY, identityValue);
}
for (Map.Entry<String, String> entry : props.entrySet()) {
String key = entry.getKey();
String value = entry.getValue();
dictionary.put(key, value);
}
configuration.update(dictionary);
}
} catch (Exception ex) {
// noop
}
}
};
new Thread(registrationTask).start();
}
/**
* Waits for the {@link ComputeService} registration.
*
* @param bundleContext
* @param provider
* @param api
* @return
*/
public synchronized ComputeService waitForComputeService(BundleContext bundleContext, String name, String provider, String api) {
ComputeService computeService = null;
try {
for (int r = 0; r < 6; r++) {
ServiceReference[] references = null;
if (name != null) {
references = bundleContext.getAllServiceReferences(ComputeService.class.getName(), "("+Constants.NAME+"="
+ name + ")");
}
else if (provider != null) {
references = bundleContext.getAllServiceReferences(ComputeService.class.getName(), "("+Constants.PROVIDER+"="
+ provider + ")");
} else if (api != null) {
references = bundleContext.getAllServiceReferences(ComputeService.class.getName(), "("+Constants.API+"=" + api + ")");
}
if (references != null && references.length > 0) {
computeService = (ComputeService) bundleContext.getService(references[0]);
return computeService;
}
Thread.sleep(10000L);
}
} catch (Exception e) {
// noop
}
return computeService;
}
public BundleContext getBundleContext() {
return bundleContext;
}
public void setBundleContext(BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
}