com.dowdandassociates.gentoo.bootstrap.DefaultKernelImageProvider.java Source code

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Here is the source code for com.dowdandassociates.gentoo.bootstrap.DefaultKernelImageProvider.java

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/*
 *
 * DefaultKernelImageProvider.java
 *
 *-----------------------------------------------------------------------------
 * Copyright 2013 Dowd and Associates
 *
 * 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.dowdandassociates.gentoo.bootstrap;

import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.model.DescribeImagesRequest;
import com.amazonaws.services.ec2.model.Filter;
import com.amazonaws.services.ec2.model.Image;

import com.google.inject.Inject;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DefaultKernelImageProvider extends LatestImageProvider {
    private static Logger log = LoggerFactory.getLogger(DefaultKernelImageProvider.class);

    private ImageInformation imageInfo;

    @Inject
    public DefaultKernelImageProvider(AmazonEC2 ec2Client, ImageInformation imageInfo) {
        super(ec2Client);
        this.imageInfo = imageInfo;
    }

    @Override
    protected DescribeImagesRequest getRequest() {
        StringBuilder manifestLocation = new StringBuilder();

        manifestLocation.append("*pv-grub-");
        manifestLocation.append(imageInfo.getBootPartition());
        manifestLocation.append("_*");

        return new DescribeImagesRequest().withOwners("amazon").withFilters(
                new Filter().withName("image-type").withValues("kernel"),
                new Filter().withName("architecture").withValues(imageInfo.getArchitecture()),
                new Filter().withName("manifest-location").withValues(manifestLocation.toString()));
    }
}