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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END============================================
* Modifications copyright (c) 2018 Nokia
* ===================================================================
*
*/
package org.onap.clamp.clds.client.req.policy;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableMap;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import org.onap.clamp.clds.config.ClampProperties;
import org.onap.clamp.clds.model.properties.ModelProperties;
import org.onap.clamp.clds.model.properties.PolicyChain;
import org.onap.clamp.clds.model.properties.PolicyItem;
import org.onap.policy.api.AttributeType;
import org.onap.policy.controlloop.policy.builder.BuilderException;
public class OperationalPolicyAttributesConstructor {
private static final EELFLogger logger = EELFManager.getInstance()
.getLogger(OperationalPolicyAttributesConstructor.class);
public static final String TEMPLATE_NAME = "templateName";
public static final String CLOSED_LOOP_CONTROL_NAME = "closedLoopControlName";
public static final String NOTIFICATION_TOPIC = "notificationTopic";
public static final String OPERATION_TOPIC = "operationTopic";
public static final String CONTROL_LOOP_YAML = "controlLoopYaml";
public static final String CONTROLLER = "controller";
public static final String RECIPE = "Recipe";
public static final String MAX_RETRIES = "MaxRetries";
public static final String RETRY_TIME_LIMIT = "RetryTimeLimit";
public static final String RESOURCE_ID = "ResourceId";
public static final String RECIPE_TOPIC = "RecipeTopic";
private OperationalPolicyAttributesConstructor() {
}
public static Map<AttributeType, Map<String, String>> formatAttributes(ClampProperties refProp,
ModelProperties modelProperties,
String modelElementId, PolicyChain policyChain)
throws BuilderException, UnsupportedEncodingException {
modelProperties.setCurrentModelElementId(modelElementId);
modelProperties.setPolicyUniqueId(policyChain.getPolicyId());
String globalService = modelProperties.getGlobal().getService();
Map<String, String> ruleAttributes = prepareRuleAttributes(refProp, modelProperties, modelElementId,
policyChain, globalService);
Map<String, String> matchingAttributes = prepareMatchingAttributes(refProp, globalService);
return createAttributesMap(matchingAttributes, ruleAttributes);
}
private static Map<String, String> prepareRuleAttributes(ClampProperties clampProperties, ModelProperties modelProperties,
String modelElementId, PolicyChain policyChain, String globalService)
throws BuilderException, UnsupportedEncodingException {
logger.info("Preparing rule attributes...");
String templateName = clampProperties.getStringValue("op.templateName", globalService);
String operationTopic = clampProperties.getStringValue("op.operationTopic", globalService);
String notificationTopic = clampProperties.getStringValue("op.notificationTopic", globalService);
Map<String, String> ruleAttributes = new HashMap<>();
ruleAttributes.put(TEMPLATE_NAME, templateName);
ruleAttributes.put(CLOSED_LOOP_CONTROL_NAME, modelProperties.getControlNameAndPolicyUniqueId());
ruleAttributes.put(NOTIFICATION_TOPIC, notificationTopic);
ImmutableMap<String, String> attributes = createRuleAttributesFromPolicy(clampProperties, modelProperties,
modelElementId, policyChain, globalService, operationTopic);
ruleAttributes.putAll(attributes);
logger.info("Prepared: " + ruleAttributes);
return ruleAttributes;
}
private static Map<String, String> prepareMatchingAttributes(ClampProperties refProp, String globalService) {
logger.info("Preparing matching attributes...");
String controller = refProp.getStringValue("op.controller", globalService);
Map<String, String> matchingAttributes = new HashMap<>();
matchingAttributes.put(CONTROLLER, controller);
logger.info("Prepared: " + matchingAttributes);
return matchingAttributes;
}
private static Map<AttributeType, Map<String, String>> createAttributesMap(Map<String, String> matchingAttributes,
Map<String, String> ruleAttributes) {
Map<AttributeType, Map<String, String>> attributes = new HashMap<>();
attributes.put(AttributeType.RULE, ruleAttributes);
attributes.put(AttributeType.MATCHING, matchingAttributes);
return attributes;
}
private static ImmutableMap<String, String> createRuleAttributesFromPolicy(ClampProperties refProp, ModelProperties modelProperties,
String modelElementId, PolicyChain policyChain,
String globalService, String operationTopic)
throws BuilderException, UnsupportedEncodingException {
if (Strings.isNullOrEmpty(operationTopic)) {
// if no operationTopic, then don't format yaml - use first policy
String recipeTopic = refProp.getStringValue("op.recipeTopic", globalService);
return createRuleAttributesFromPolicyItem(
policyChain.getPolicyItems().get(0), recipeTopic);
} else {
return createRuleAttributesFromPolicyChain(policyChain, modelProperties,
modelElementId, operationTopic);
}
}
private static ImmutableMap<String, String> createRuleAttributesFromPolicyItem(PolicyItem policyItem, String recipeTopic) {
logger.info("recipeTopic=" + recipeTopic);
return ImmutableMap.<String, String>builder()
.put(RECIPE_TOPIC, recipeTopic)
.put(RECIPE, policyItem.getRecipe())
.put(MAX_RETRIES, String.valueOf(policyItem.getMaxRetries()))
.put(RETRY_TIME_LIMIT, String.valueOf(policyItem.getRetryTimeLimit()))
.put(RESOURCE_ID, String.valueOf(policyItem.getTargetResourceId()))
.build();
}
private static ImmutableMap<String, String> createRuleAttributesFromPolicyChain(PolicyChain policyChain,
ModelProperties modelProperties,
String modelElementId,
String operationTopic)
throws BuilderException, UnsupportedEncodingException {
logger.info("operationTopic=" + operationTopic);
String yaml = OperationalPolicyYamlFormatter.formatYaml(modelProperties, modelElementId, policyChain);
return ImmutableMap.<String, String>builder()
.put(OPERATION_TOPIC, operationTopic)
.put(CONTROL_LOOP_YAML, yaml)
.build();
}
}
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