Add metafile.json to track version and checksum of artifacts

.github/workflows/post_release_version_bump.yml

@@ -53,7 +53,6 @@ jobs:
             exit 1
           fi
   
-
   prepare-main:
     runs-on: ubuntu-latest
     needs: check-version
@@ -102,6 +101,25 @@ jobs:
           sed -i 's/python:v.*"/python:v'$VERSION'"/' .github/workflows/daily_scan.yml
           git add aws-opentelemetry-distro/src/amazon/opentelemetry/distro/version.py
           git add .github/workflows/daily_scan.yml
+  
+      - name: Append latest release checksum to release-artifacts-metadata.json
+        run: |
+          ARTIFACT_NAME="aws_opentelemetry_distro-${{ github.event.inputs.version }}-py3-none-any.whl"
+          curl -L -o $ARTIFACT_NAME https://github.com/aws-observability/aws-otel-python-instrumentation/releases/download/v${{ github.event.inputs.version }}/$ARTIFACT_NAME
+
+          CHECKSUM=$(shasum -a 256 $ARTIFACT_NAME | awk '{ print $1 }')
+
+          FILE="release-artifacts-metadata.json"
+          UPDATED_JSON=$(jq --arg version "${{ github.event.inputs.version }}" \
+                            --arg name "$ARTIFACT_NAME" \
+                            --arg checksum "$CHECKSUM" \
+                            '.release += [{"version": $version, "checksum": [{"name": $name, "checksum": $checksum}]}]' "$FILE")
+
+          echo "$UPDATED_JSON" > "$FILE"
+          git add release-artifacts-metadata.json
+
+      - name: Push changes to Github
+        run: |
           git commit -m "Prepare main for next development cycle: Update version to $DEV_VERSION"
           git push --set-upstream origin "prepare-main-for-next-dev-cycle-${VERSION}"
 
@@ -111,10 +129,10 @@ jobs:
         run: |
           DEV_VERSION="${{ github.event.inputs.version }}.dev0"
           gh pr create --title "Post release $VERSION: Update version to $DEV_VERSION" \
-                       --body "This PR prepares the main branch for the next development cycle by updating the version to $DEV_VERSION and updating the image version to be scanned to the latest released.
+                      --body "This PR prepares the main branch for the next development cycle by updating the version to $DEV_VERSION, adding checksum for the new artifacts, and updating the image version to be scanned to the latest released.
           
           This PR should only be merge when release for version v$VERSION is success.
           
           By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice." \
-                       --head prepare-main-for-next-dev-cycle-${VERSION} \
-                       --base main
+                      --head prepare-main-for-next-dev-cycle-${VERSION} \
+                      --base main

release-artifacts-metadata.json

@@ -0,0 +1,13 @@
+{
+    "release": [
+        {
+            "version": "0.7.0",
+            "checksum": [
+                {
+                    "name": "aws_opentelemetry_distro-0.7.0-py3-none-any.whl",
+                    "checksum": "8cf682fa56bc00326a741acf480024550017beda41acb1b51af9d3b5ef1a9470"
+                }
+            ]
+        }
+    ]
+}