chore: emit success or failure metrics for the release artifact collection job

Author: ianbotsf

.github/workflows/codebuild-ci.yml

@@ -237,3 +237,15 @@ jobs:
         run: ./gradlew saveArtifactSizeMetrics -Prelease=${{ github.event.release.tag_name }}
       - name: Put Artifact Size Metrics in CloudWatch
         run: ./gradlew putArtifactSizeMetricsInCloudWatch -Prelease=${{ github.event.release.tag_name }}
+      - name: Emit success metric
+        if: ${{ success() }}
+        run: |
+          echo "::error ::Failed to collect and emit release artifact size metrics. Attempting to emit error metric to"
+          echo "::error ::CloudWatch..."
+          aws cloudwatch put-metric-data --namespace "Artifact Metrics" --metric-data file://./resources/artifact-metrics-collection-success.json
+      - name: Emit failure metric
+        if: ${{ failure() }}
+        run: |
+          echo "::error ::Failed to collect and emit release artifact size metrics. Attempting to emit error metric to"
+          echo "::error ::CloudWatch..."
+          aws cloudwatch put-metric-data --namespace "Artifact Metrics" --metric-data file://./resources/artifact-metrics-collection-failure.json

.github/workflows/resources/artifact-metrics-collection-failure.json

@@ -0,0 +1,24 @@
+[
+  {
+    "Dimensions": [
+      {
+        "Name": "Project",
+        "Value": "aws-sdk-kotlin"
+      }
+    ],
+    "MetricName": "CollectionsAttempted",
+    "Unit": "Count",
+    "Value": 1
+  },
+  {
+    "Dimensions": [
+      {
+        "Name": "Project",
+        "Value": "aws-sdk-kotlin"
+      }
+    ],
+    "MetricName": "CollectionsFailed",
+    "Unit": "Count",
+    "Value": 1
+  }
+]

.github/workflows/resources/artifact-metrics-collection-success.json

@@ -0,0 +1,24 @@
+[
+  {
+    "Dimensions": [
+      {
+        "Name": "Project",
+        "Value": "aws-sdk-kotlin"
+      }
+    ],
+    "MetricName": "CollectionsAttempted",
+    "Unit": "Count",
+    "Value": 1
+  },
+  {
+    "Dimensions": [
+      {
+        "Name": "Project",
+        "Value": "aws-sdk-kotlin"
+      }
+    ],
+    "MetricName": "CollectionsSucceeded",
+    "Unit": "Count",
+    "Value": 1
+  }
+]