com.hpe.caf.autoscale.scaler.docker.swarm.DockerSwarmServiceScalerProvider Maven / Gradle / Ivy
/*
* Copyright 2015-2017 Hewlett Packard Enterprise Development LP.
*
* 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 com.hpe.caf.autoscale.scaler.docker.swarm;
import com.hpe.caf.api.ConfigurationException;
import com.hpe.caf.api.ConfigurationSource;
import com.hpe.caf.api.autoscale.ScalerException;
import com.hpe.caf.api.autoscale.ServiceScaler;
import com.hpe.caf.api.autoscale.ServiceScalerProvider;
import com.hpe.caf.autoscale.DockerSwarmAutoscaleConfiguration;
import com.hpe.caf.autoscale.endpoint.docker.DockerSwarm;
import com.hpe.caf.autoscale.endpoint.docker.DockerSwarmClient;
import java.net.MalformedURLException;
import java.net.URL;
public class DockerSwarmServiceScalerProvider implements ServiceScalerProvider
{
@Override
public ServiceScaler getServiceScaler(final ConfigurationSource configurationSource)
throws ScalerException
{
try {
final DockerSwarmAutoscaleConfiguration config = configurationSource.getConfiguration(DockerSwarmAutoscaleConfiguration.class);
final DockerSwarm dockerClient = DockerSwarmClient.getInstance(config);
final URL url = new URL(config.getEndpoint());
return new DockerSwarmServiceScaler(dockerClient, config, url);
} catch (ConfigurationException | MalformedURLException e) {
throw new ScalerException("Failed to create service scaler", e);
}
}
}