feat(pipelinetriggers): Support client-provided execution ID for pipeline triggers

echo-model/src/main/java/com/netflix/spinnaker/echo/model/Pipeline.java

@@ -23,7 +23,10 @@
 import com.netflix.spinnaker.kork.artifacts.model.ExpectedArtifact;
 import java.util.List;
 import java.util.Map;
-import lombok.*;
+import lombok.Builder;
+import lombok.NonNull;
+import lombok.ToString;
+import lombok.Value;
 import lombok.experimental.Wither;
 
 @JsonDeserialize(builder = Pipeline.PipelineBuilder.class)
@@ -42,6 +45,8 @@ public class Pipeline {
 
   @JsonProperty String id;
 
+  @JsonProperty String executionId;
+
   @JsonProperty String executionEngine;
 
   @JsonProperty boolean parallel;

echo-model/src/main/java/com/netflix/spinnaker/echo/model/Trigger.java

@@ -65,7 +65,9 @@
       "link",
       "linkText",
       "application",
-      "pipeline"
+      "pipeline",
+      "correlationId",
+      "executionId"
     },
     includeFieldNames = false)
 @Value
@@ -106,6 +108,8 @@ public String toString() {
   // Configuration for pipeline triggers
   String application;
   String pipeline;
+  String correlationId;
+  String executionId;
 
   // Configuration for git triggers
   String project;
@@ -226,6 +230,14 @@ public Trigger atEventId(final String eventId) {
     return this.toBuilder().eventId(eventId).build();
   }
 
+  public Trigger atCorrelationId(final String correlationId) {
+    return this.toBuilder().correlationId(correlationId).build();
+  }
+
+  public Trigger atExecutionId(final String executionId) {
+    return this.toBuilder().executionId(executionId).build();
+  }
+
   public Trigger atNotifications(final List<Map<String, Object>> notifications) {
     return this.toBuilder().notifications(notifications).build();
   }

echo-pipelinetriggers/src/main/java/com/netflix/spinnaker/echo/pipelinetriggers/postprocessors/ProvidedExecutionIdPipelinePostProcessor.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 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.
+ */
+package com.netflix.spinnaker.echo.pipelinetriggers.postprocessors;
+
+import com.google.common.base.Strings;
+import com.netflix.spinnaker.echo.model.Pipeline;
+import com.netflix.spinnaker.echo.model.Trigger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+/** Automatically sets a pipeline's execution ID if one was supplied by the eventing trigger. */
+@Component
+public class ProvidedExecutionIdPipelinePostProcessor implements PipelinePostProcessor {
+
+  private final Logger log =
+      LoggerFactory.getLogger(ProvidedExecutionIdPipelinePostProcessor.class);
+
+  @Override
+  public Pipeline processPipeline(Pipeline inputPipeline) {
+    Trigger trigger = inputPipeline.getTrigger();
+    if (!Strings.isNullOrEmpty(trigger.getExecutionId())) {
+      log.debug(
+          "Assigning trigger-provided execution ID to pipeline: '{}'", trigger.getExecutionId());
+      return inputPipeline.withExecutionId(trigger.getExecutionId());
+    }
+    return inputPipeline;
+  }
+}