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Merge pull request #269 from ebukoski/master
Add support for exclusion rules to JanitorRuleEngine
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src/main/java/com/netflix/simianarmy/aws/janitor/rule/generic/TagValueExclusionRule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
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| package com.netflix.simianarmy.aws.janitor.rule.generic; | ||
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| import com.netflix.simianarmy.Resource; | ||
| import com.netflix.simianarmy.janitor.Rule; | ||
| import org.apache.commons.lang.Validate; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| /** | ||
| * A rule for excluding resources that contain the provided tags (name and value). | ||
| * | ||
| * If a resource contains the tag and the appropriate value, it will be excluded from any | ||
| * other janitor rules and will not be cleaned. | ||
| * | ||
| */ | ||
| public class TagValueExclusionRule implements Rule { | ||
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| /** The Constant LOGGER. */ | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(TagValueExclusionRule.class); | ||
| private final Map<String,String> tags; | ||
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| /** | ||
| * Constructor for TagValueExclusionRule. | ||
| * | ||
| * @param tags | ||
| * Set of tags and values to match for exclusion | ||
| */ | ||
| public TagValueExclusionRule(Map<String, String> tags) { | ||
| this.tags = tags; | ||
| } | ||
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| /** | ||
| * Constructor for TagValueExclusionRule. Use this constructor to pass names and values as separate args. | ||
| * This is intended for convenience when specifying tag names/values in property files. | ||
| * | ||
| * Each tag[i] = (name[i], value[i]) | ||
| * | ||
| * @param names | ||
| * Set of names to match for exclusion. Size of names must match size of values. | ||
| * @param values | ||
| * Set of values to match for exclusion. Size of names must match size of values. | ||
| */ | ||
| public TagValueExclusionRule(String[] names, String[] values) { | ||
| tags = new HashMap<String,String>(); | ||
| int i = 0; | ||
| for(String name : names) { | ||
| tags.put(name, values[i]); | ||
| i++; | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean isValid(Resource resource) { | ||
| Validate.notNull(resource); | ||
| for (String tagName : tags.keySet()) { | ||
| String resourceValue = resource.getTag(tagName); | ||
| if (resourceValue != null && resourceValue.equals(tags.get(tagName))) { | ||
| LOGGER.debug(String.format("The resource %s has the exclusion tag %s with value %s", resource.getId(), tagName, resourceValue)); | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
| } |
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