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/*-
* ============LICENSE_START=======================================================
* APPCActorServiceProvider
* ================================================================================
* Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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=========================================================
*/
package org.onap.policy.controlloop.actor.appc;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.onap.policy.appc.CommonHeader;
import org.onap.policy.appc.Request;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.controlloop.ControlLoopOperation;
import org.onap.policy.controlloop.VirtualControlLoopEvent;
import org.onap.policy.controlloop.actorserviceprovider.impl.BidirectionalTopicActor;
import org.onap.policy.controlloop.actorserviceprovider.impl.BidirectionalTopicOperator;
import org.onap.policy.controlloop.actorserviceprovider.parameters.BidirectionalTopicActorParams;
import org.onap.policy.controlloop.policy.Policy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AppcActorServiceProvider extends BidirectionalTopicActor<BidirectionalTopicActorParams> {
private static final String NAME = "APPC";
private static final Logger logger = LoggerFactory.getLogger(AppcActorServiceProvider.class);
// TODO old code: remove lines down to **HERE**
private static final StandardCoder coder = new StandardCoder();
// Strings for targets
private static final String TARGET_VM = "VM";
private static final String TARGET_VNF = "VNF";
// Strings for recipes
private static final String RECIPE_RESTART = "Restart";
private static final String RECIPE_REBUILD = "Rebuild";
private static final String RECIPE_MIGRATE = "Migrate";
private static final String RECIPE_MODIFY = "ModifyConfig";
private static final ImmutableList<String> recipes =
ImmutableList.of(RECIPE_RESTART, RECIPE_REBUILD, RECIPE_MIGRATE, RECIPE_MODIFY);
private static final ImmutableMap<String, List<String>> targets = new ImmutableMap.Builder<String, List<String>>()
.put(RECIPE_RESTART, ImmutableList.of(TARGET_VM)).put(RECIPE_REBUILD, ImmutableList.of(TARGET_VM))
.put(RECIPE_MIGRATE, ImmutableList.of(TARGET_VM)).put(RECIPE_MODIFY, ImmutableList.of(TARGET_VNF))
.build();
private static final ImmutableMap<String, List<String>> payloads = new ImmutableMap.Builder<String, List<String>>()
.put(RECIPE_MODIFY, ImmutableList.of("generic-vnf.vnf-id")).build();
// **HERE**
/**
* Constructs the object.
*/
public AppcActorServiceProvider() {
super(NAME, BidirectionalTopicActorParams.class);
addOperator(new BidirectionalTopicOperator(NAME, ModifyConfigOperation.NAME, this, AppcOperation.SELECTOR_KEYS,
ModifyConfigOperation::new));
}
// TODO old code: remove lines down to **HERE**
@Override
public String actor() {
return NAME;
}
@Override
public List<String> recipes() {
return ImmutableList.copyOf(recipes);
}
@Override
public List<String> recipeTargets(String recipe) {
return ImmutableList.copyOf(targets.getOrDefault(recipe, Collections.emptyList()));
}
@Override
public List<String> recipePayloads(String recipe) {
return ImmutableList.copyOf(payloads.getOrDefault(recipe, Collections.emptyList()));
}
/**
* Constructs an APPC request conforming to the legacy API. The legacy API will be
* deprecated in future releases as all legacy functionality is moved into the LCM
* API.
*
* @param onset the event that is reporting the alert for policy to perform an action
* @param operation the control loop operation specifying the actor, operation,
* target, etc.
* @param policy the policy the was specified from the yaml generated by CLAMP or
* through the Policy GUI/API
* @return an APPC request conforming to the legacy API
*/
public static Request constructRequest(VirtualControlLoopEvent onset, ControlLoopOperation operation, Policy policy,
String targetVnf) {
/*
* Construct an APPC request
*/
Request request = new Request();
request.setCommonHeader(new CommonHeader());
request.getCommonHeader().setRequestId(onset.getRequestId());
request.getCommonHeader().setSubRequestId(operation.getSubRequestId());
request.setAction(policy.getRecipe().substring(0, 1).toUpperCase() + policy.getRecipe().substring(1));
// convert policy payload strings to objects
if (policy.getPayload() == null) {
logger.info("no APPC payload specified for policy {}", policy.getName());
} else {
convertPayload(policy.getPayload(), request.getPayload());
}
// add/replace specific values
request.getPayload().put("generic-vnf.vnf-id", targetVnf);
/*
* Return the request
*/
return request;
}
/**
* Converts a payload. The original value is assumed to be a JSON string, which is
* decoded into an object.
*
* @param source source from which to get the values
* @param target where to place the decoded values
*/
private static void convertPayload(Map<String, String> source, Map<String, Object> target) {
for (Entry<String, String> ent : source.entrySet()) {
try {
target.put(ent.getKey(), coder.decode(ent.getValue(), Object.class));
} catch (CoderException e) {
logger.warn("cannot decode JSON value {}: {}", ent.getKey(), ent.getValue(), e);
}
}
}
// **HERE**
}
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