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DummyASGInstanceValidator.java
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DummyASGInstanceValidator.java
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/*
*
* Copyright 2012 Netflix, Inc.
*
* 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.netflix.simianarmy.aws.janitor.rule.asg;
import com.netflix.simianarmy.Resource;
import com.netflix.simianarmy.aws.janitor.crawler.ASGJanitorCrawler;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A dummy implementation of ASGInstanceValidator that considers every instance as active.
*/
public class DummyASGInstanceValidator implements ASGInstanceValidator {
/** The Constant LOGGER. */
private static final Logger LOGGER = LoggerFactory.getLogger(DummyASGInstanceValidator.class);
/** {@inheritDoc} */
@Override
public boolean hasActiveInstance(Resource resource) {
String instanceIds = resource.getAdditionalField(ASGJanitorCrawler.ASG_FIELD_INSTANCES);
String maxSizeStr = resource.getAdditionalField(ASGJanitorCrawler.ASG_FIELD_MAX_SIZE);
if (StringUtils.isBlank(instanceIds)) {
if (maxSizeStr != null && Integer.parseInt(maxSizeStr) == 0) {
// The ASG is empty when it has no instance and the max size of the ASG is 0.
// If the max size is not 0, the ASG could probably be in the process of starting new instances.
LOGGER.info(String.format("ASG %s is empty.", resource.getId()));
return false;
} else {
LOGGER.info(String.format("ASG %s does not have instances but the max size is %s",
resource.getId(), maxSizeStr));
return true;
}
}
String[] instances = StringUtils.split(instanceIds, ",");
return instances.length > 0;
}
}