/*
* 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.brooklynnode;
import java.net.URI;
import java.util.Collection;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.core.entity.AbstractEntity;
import org.apache.brooklyn.entity.brooklynnode.BrooklynNode;
import org.apache.brooklyn.entity.brooklynnode.EntityHttpClient;
import org.apache.brooklyn.entity.brooklynnode.BrooklynNodeImpl.DeployBlueprintEffectorBody;
import org.apache.brooklyn.feed.http.HttpFeed;
import org.apache.brooklyn.feed.http.HttpPollConfig;
import org.apache.brooklyn.feed.http.HttpValueFunctions;
/** Implementation of BrooklynNode which just presents the node where this is running, for convenience;
*
* start/stop/restart have no effect;
* sensors are connected;
* deploy blueprint assumes that a REST endpoint is available */
public class SameBrooklynNodeImpl extends AbstractEntity implements BrooklynNode {
private HttpFeed httpFeed;
@Override
public void start(Collection<? extends Location> locations) {
connectSensors();
}
@Override
public void stop() {
disconnectSensors();
}
@Override
public void restart() {
return;
}
@Override
public void init() {
super.init();
getMutableEntityType().addEffector(DeployBlueprintEffectorBody.DEPLOY_BLUEPRINT);
}
protected void connectSensors() {
URI webConsoleUri = getManagementContext().getManagementNodeUri().orNull();
sensors().set(WEB_CONSOLE_URI, webConsoleUri);
if (webConsoleUri != null) {
httpFeed = HttpFeed.builder()
.entity(this)
.period(200)
.baseUri(webConsoleUri)
.credentialsIfNotNull(getConfig(MANAGEMENT_USER), getConfig(MANAGEMENT_PASSWORD))
.poll(new HttpPollConfig<Boolean>(SERVICE_UP)
.onSuccess(HttpValueFunctions.responseCodeEquals(200))
.setOnFailureOrException(false))
.build();
} else {
sensors().set(SERVICE_UP, true);
}
}
protected void disconnectSensors() {
if (httpFeed != null) httpFeed.stop();
}
@Override
public EntityHttpClient http() {
throw new UnsupportedOperationException();
}
@Override
public void populateServiceNotUpDiagnostics() {
// no-op
}
}