gerrit.onap Code Review - ccsdk/sli/adaptors.git/blob

   1 /*
   2  * Copyright (C) 2019 Bell Canada.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.ccsdk.sli.adaptors.grpc.cds;
  17
  18 import com.google.protobuf.InvalidProtocolBufferException;
  19 import com.google.protobuf.Struct;
  20 import com.google.protobuf.Struct.Builder;
  21 import io.grpc.ManagedChannel;
  22 import io.grpc.Status;
  23 import io.grpc.stub.StreamObserver;
  24 import java.util.Map;
  25 import java.util.UUID;
  26 import java.util.concurrent.CountDownLatch;
  27 import java.util.concurrent.TimeUnit;
  28 import java.util.concurrent.atomic.AtomicReference;
  29 import org.onap.ccsdk.apps.controllerblueprints.common.api.ActionIdentifiers;
  30 import org.onap.ccsdk.apps.controllerblueprints.common.api.CommonHeader;
  31 import org.onap.ccsdk.apps.controllerblueprints.common.api.Flag;
  32 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc;
  33 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc.BluePrintProcessingServiceStub;
  34 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceInput;
  35 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput;
  36 import org.onap.ccsdk.sli.adaptors.grpc.JsonFormat;
  37 import org.onap.ccsdk.sli.adaptors.grpc.Utils;
  38 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
  39 import org.onap.ccsdk.sli.core.sli.SvcLogicResource.QueryStatus;
  40 import org.onap.ccsdk.sli.core.slipluginutils.SliPluginUtils;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 public class BlueprintProcessingHandler {
  45
  46     private static final Logger log = LoggerFactory.getLogger(BlueprintProcessingHandler.class);
  47
  48     private static final String CCSDK_ORIGINATOR = "CCSDK";
  49     private static final String IS_FORCE_PROP = "is_force";
  50     private static final String TTL_PROP = "ttl";
  51     private static final String BLUEPRINT_NAME_PROP = "blueprint_name";
  52     private static final String BLUEPRINT_VERSION_PROP = "blueprint_version";
  53     private static final String ACTION_PROP = "action";
  54     private static final String MODE_PROP = "mode";
  55     private static final String PAYLOAD_PROP = "payload";
  56
  57     QueryStatus process(final Map<String, String> parameters, final ManagedChannel channel) {
  58         try {
  59             SliPluginUtils.checkParameters(parameters,
  60                 new String[]{BLUEPRINT_NAME_PROP, BLUEPRINT_VERSION_PROP, ACTION_PROP, MODE_PROP}, log);
  61         } catch (SvcLogicException e) {
  62             return QueryStatus.FAILURE;
  63         }
  64
  65         final boolean isForce = Boolean.getBoolean(parameters.get(IS_FORCE_PROP));
  66         final int ttl = Integer.parseInt(parameters.get(TTL_PROP));
  67         final String blueprintName = parameters.get(BLUEPRINT_NAME_PROP);
  68         final String blueprintVersion = parameters.get(BLUEPRINT_VERSION_PROP);
  69         final String action = parameters.get(ACTION_PROP);
  70         final String mode = parameters.get(MODE_PROP);
  71         final String payload = parameters.get(PAYLOAD_PROP);
  72
  73         log.info("Processing blueprint({}:{}) for action({})", blueprintVersion, blueprintName, action);
  74
  75         final AtomicReference<QueryStatus> responseStatus = new AtomicReference<>();
  76         final CountDownLatch finishLatch = new CountDownLatch(1);
  77
  78         final BluePrintProcessingServiceStub asyncStub = BluePrintProcessingServiceGrpc.newStub(channel);
  79
  80         final StreamObserver<ExecutionServiceOutput> responseObserver = new StreamObserver<ExecutionServiceOutput>() {
  81             @Override
  82             public void onNext(ExecutionServiceOutput output) {
  83                 log.info("onNext: {}", output);
  84             }
  85
  86             @Override
  87             public void onError(Throwable t) {
  88                 Status status = Status.fromThrowable(t);
  89                 log.error("Failed processing blueprint({}:{}) for action({}). {}", blueprintVersion, blueprintName,
  90                     action, status);
  91                 responseStatus.compareAndSet(null, QueryStatus.FAILURE);
  92                 finishLatch.countDown();
  93             }
  94
  95             @Override
  96             public void onCompleted() {
  97                 log.info("Completed blueprint({}:{}) for action({})", blueprintVersion, blueprintName, action);
  98                 responseStatus.compareAndSet(null, QueryStatus.SUCCESS);
  99                 finishLatch.countDown();
 100             }
 101         };
 102
 103         final CommonHeader commonHeader = CommonHeader.newBuilder()
 104             .setOriginatorId(CCSDK_ORIGINATOR)
 105             .setRequestId(UUID.randomUUID().toString())
 106             .setTimestamp(Utils.timestamp())
 107             .setFlag(Flag.newBuilder()
 108                 .setIsForce(isForce)
 109                 .setTtl(ttl)
 110                 .build())
 111             .build();
 112         final ActionIdentifiers actionIdentifiers = ActionIdentifiers.newBuilder()
 113             .setActionName(action)
 114             .setBlueprintName(blueprintName)
 115             .setBlueprintVersion(blueprintVersion)
 116             .setMode(mode)
 117             .build();
 118
 119         Builder struct = Struct.newBuilder();
 120         try {
 121             JsonFormat.parser().merge(payload, struct);
 122         } catch (InvalidProtocolBufferException e) {
 123             log.error("Failed converting payload for blueprint({}:{}) for action({}). {}", blueprintVersion,
 124                 blueprintName, action, e);
 125             return QueryStatus.FAILURE;
 126         }
 127
 128         final ExecutionServiceInput request = ExecutionServiceInput.newBuilder()
 129             .setActionIdentifiers(actionIdentifiers)
 130             .setPayload(struct.build())
 131             .setCommonHeader(commonHeader).build();
 132
 133         final StreamObserver<ExecutionServiceInput> requestObserver = asyncStub.process(responseObserver);
 134
 135         try {
 136             requestObserver.onNext(request);
 137         } catch (RuntimeException e) {
 138             requestObserver.onError(e);
 139             return QueryStatus.FAILURE;
 140         }
 141
 142         requestObserver.onCompleted();
 143         try {
 144             finishLatch.await(1, TimeUnit.MINUTES);
 145         } catch (InterruptedException e) {
 146             log.error("Failed processing blueprint({}:{}) for action({}). {}", blueprintVersion, blueprintName, action,
 147                 e);
 148             Thread.currentThread().interrupt();
 149             return QueryStatus.FAILURE;
 150         }
 151
 152         return responseStatus.get();
 153     }
 154 }