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 io.grpc.ManagedChannel;
  21 import io.grpc.Status;
  22 import io.grpc.stub.StreamObserver;
  23 import java.util.Map;
  24 import java.util.UUID;
  25 import java.util.concurrent.CountDownLatch;
  26 import java.util.concurrent.TimeUnit;
  27 import java.util.concurrent.atomic.AtomicReference;
  28 import org.onap.ccsdk.apps.controllerblueprints.common.api.ActionIdentifiers;
  29 import org.onap.ccsdk.apps.controllerblueprints.common.api.CommonHeader;
  30 import org.onap.ccsdk.apps.controllerblueprints.common.api.Flag;
  31 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc;
  32 import org.onap.ccsdk.apps.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc.BluePrintProcessingServiceStub;
  33 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceInput;
  34 import org.onap.ccsdk.apps.controllerblueprints.processing.api.ExecutionServiceOutput;
  35 import org.onap.ccsdk.sli.adaptors.grpc.Utils;
  36 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
  37 import org.onap.ccsdk.sli.core.sli.SvcLogicResource.QueryStatus;
  38 import org.onap.ccsdk.sli.core.slipluginutils.SliPluginUtils;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 public class BlueprintProcessingHandler {
  43
  44     private static final Logger log = LoggerFactory.getLogger(BlueprintProcessingHandler.class);
  45
  46     private static final String CCSDK_ORIGINATOR = "CCSDK";
  47     private static final String IS_FORCE_PROP = "is_force";
  48     private static final String TTL_PROP = "ttl";
  49     private static final String BLUEPRINT_NAME_PROP = "blueprint_name";
  50     private static final String BLUEPRINT_VERSION_PROP = "blueprint_version";
  51     private static final String ACTION_PROP = "action";
  52     private static final String MODE_PROP = "mode";
  53     private static final String PAYLOAD_PROP = "payload";
  54
  55     QueryStatus process(final Map<String, String> parameters, final ManagedChannel channel) {
  56         try {
  57             SliPluginUtils.checkParameters(parameters,
  58                 new String[]{BLUEPRINT_NAME_PROP, BLUEPRINT_VERSION_PROP, ACTION_PROP, MODE_PROP}, log);
  59         } catch (SvcLogicException e) {
  60             return QueryStatus.FAILURE;
  61         }
  62
  63         final boolean isForce = Boolean.getBoolean(parameters.get(IS_FORCE_PROP));
  64         final int ttl = Integer.parseInt(parameters.get(TTL_PROP));
  65         final String blueprintName = parameters.get(BLUEPRINT_NAME_PROP);
  66         final String blueprintVersion = parameters.get(BLUEPRINT_VERSION_PROP);
  67         final String action = parameters.get(ACTION_PROP);
  68         final String mode = parameters.get(MODE_PROP);
  69         final String payload = parameters.get(PAYLOAD_PROP);
  70
  71         log.info("Processing blueprint({}:{}) for action({})", blueprintVersion, blueprintName, action);
  72
  73         final AtomicReference<QueryStatus> responseStatus = new AtomicReference<>();
  74         final CountDownLatch finishLatch = new CountDownLatch(1);
  75
  76         final BluePrintProcessingServiceStub asyncStub = BluePrintProcessingServiceGrpc.newStub(channel);
  77
  78         final StreamObserver<ExecutionServiceOutput> responseObserver = new StreamObserver<ExecutionServiceOutput>() {
  79             @Override
  80             public void onNext(ExecutionServiceOutput output) {
  81                 log.info("onNext: {}", output);
  82             }
  83
  84             @Override
  85             public void onError(Throwable t) {
  86                 Status status = Status.fromThrowable(t);
  87                 log.error("Failed processing blueprint({}:{}) for action({}). {}", blueprintVersion, blueprintName,
  88                     action, status);
  89                 responseStatus.compareAndSet(null, QueryStatus.FAILURE);
  90                 finishLatch.countDown();
  91             }
  92
  93             @Override
  94             public void onCompleted() {
  95                 log.info("Completed blueprint({}:{}) for action({})", blueprintVersion, blueprintName, action);
  96                 responseStatus.compareAndSet(null, QueryStatus.SUCCESS);
  97                 finishLatch.countDown();
  98             }
  99         };
 100
 101         final CommonHeader commonHeader = CommonHeader.newBuilder()
 102             .setOriginatorId(CCSDK_ORIGINATOR)
 103             .setRequestId(UUID.randomUUID().toString())
 104             .setTimestamp(Utils.timestamp())
 105             .setFlag(Flag.newBuilder()
 106                 .setIsForce(isForce)
 107                 .setTtl(ttl)
 108                 .build())
 109             .build();
 110         final ActionIdentifiers actionIdentifiers = ActionIdentifiers.newBuilder()
 111             .setActionName(action)
 112             .setBlueprintName(blueprintName)
 113             .setBlueprintVersion(blueprintVersion)
 114             .setMode(mode)
 115             .build();
 116
 117         Struct struct;
 118         try {
 119             struct = Struct.newBuilder().mergeFrom(payload.getBytes()).build();
 120         } catch (InvalidProtocolBufferException e) {
 121             log.error("Failed converting payload for blueprint({}:{}) for action({}). {}", blueprintVersion,
 122                 blueprintName, action, e);
 123             return QueryStatus.FAILURE;
 124         }
 125
 126         final ExecutionServiceInput request = ExecutionServiceInput.newBuilder()
 127             .setActionIdentifiers(actionIdentifiers)
 128             .setPayload(struct)
 129             .setCommonHeader(commonHeader).build();
 130
 131         final StreamObserver<ExecutionServiceInput> requestObserver = asyncStub.process(responseObserver);
 132
 133         try {
 134             requestObserver.onNext(request);
 135         } catch (RuntimeException e) {
 136             requestObserver.onError(e);
 137             return QueryStatus.FAILURE;
 138         }
 139
 140         requestObserver.onCompleted();
 141         try {
 142             finishLatch.await(1, TimeUnit.MINUTES);
 143         } catch (InterruptedException e) {
 144             log.error("Failed processing blueprint({}:{}) for action({}). {}", blueprintVersion, blueprintName, action,
 145                 e);
 146             Thread.currentThread().interrupt();
 147             return QueryStatus.FAILURE;
 148         }
 149
 150         return responseStatus.get();
 151     }
 152 }