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/*
 * 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.jclouds.aws.ec2;

import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_AMI_QUERY;
import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_CC_AMI_QUERY;
import static org.jclouds.aws.ec2.reference.AWSEC2Constants.PROPERTY_EC2_CC_REGIONS;
import static org.jclouds.compute.config.ComputeServiceProperties.TEMPLATE;
import static org.jclouds.compute.config.ComputeServiceProperties.TIMEOUT_NODE_SUSPENDED;

import java.net.URI;
import java.util.Properties;

import org.jclouds.aws.domain.Region;
import org.jclouds.providers.ProviderMetadata;
import org.jclouds.providers.internal.BaseProviderMetadata;

import com.google.auto.service.AutoService;

/**
 * Implementation of {@ link org.jclouds.types.ProviderMetadata} for Amazon's
 * Elastic Compute Cloud (EC2) provider.
 */
@AutoService(ProviderMetadata.class)
public class AWSEC2ProviderMetadata extends BaseProviderMetadata {

   public static Builder builder() {
      return new Builder();
   }

   @Override
   public Builder toBuilder() {
      return builder().fromProviderMetadata(this);
   }
   
   public AWSEC2ProviderMetadata() {
      super(builder());
   }

   public AWSEC2ProviderMetadata(Builder builder) {
      super(builder);
   }

   public static Properties defaultProperties() {
      Properties properties = new Properties();
      // sometimes, like in ec2, stop takes a very long time, perhaps
      // due to volume management. one example spent 2 minutes moving
      // from stopping->stopped state on an ec2 micro
      properties.setProperty(TIMEOUT_NODE_SUSPENDED, 120 * 1000 + "");
      properties.putAll(Region.regionProperties());
      // Amazon Linux, Amazon Windows, alestic, canonical, and rightscale
      properties.setProperty(PROPERTY_EC2_AMI_QUERY,
               "owner-id=137112412989,801119661308,063491364108,099720109477,411009282317;state=available;image-type=machine");
      // amis that work with the cluster instances
      properties.setProperty(PROPERTY_EC2_CC_REGIONS, Region.US_EAST_1 + "," + Region.US_WEST_2 + "," + Region.EU_WEST_1);
      properties
               .setProperty(
                        PROPERTY_EC2_CC_AMI_QUERY,
                        "virtualization-type=hvm;architecture=x86_64;owner-id=137112412989,099720109477;hypervisor=xen;state=available;image-type=machine;root-device-type=ebs");
      properties.setProperty(TEMPLATE, "osFamily=AMZN_LINUX,os64Bit=true");
      return properties;
   }
   
   public static class Builder extends BaseProviderMetadata.Builder {

      protected Builder() {
         id("aws-ec2")
         .name("Amazon Elastic Compute Cloud (EC2)")
         .apiMetadata(new AWSEC2ApiMetadata())
         .endpoint("https://ec2.us-east-1.amazonaws.com")
         .homepage(URI.create("http://aws.amazon.com/ec2"))
         .console(URI.create("https://console.aws.amazon.com/ec2/home"))
         .defaultProperties(AWSEC2ProviderMetadata.defaultProperties())
         .linkedServices("aws-ec2", "aws-elb", "aws-cloudwatch", "aws-s3", "aws-simpledb")
               .iso3166Codes("US-VA", "US-OH", "US-CA", "US-OR", "CA", "BR-SP", "IE", "GB-LND", "FR-IDF", "DE-HE",
                     "SG", "AU-NSW", "IN-MH", "JP-13", "KR-11", "CN-BJ", "CN-NX", "BH");
      }

      @Override
      public AWSEC2ProviderMetadata build() {
         return new AWSEC2ProviderMetadata(this);
      }

      @Override
      public Builder fromProviderMetadata(
            ProviderMetadata in) {
         super.fromProviderMetadata(in);
         return this;
      }

   }
}