Update Lambda Layer release notes description (#320)

*Issue #, if available:*
Updating Lambda layer release notes as well as the version format. The
version will be
{ADOT SDK version}-{Latest commit hash)

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copy, and redistribute this contribution, under the terms of your
choice.

.github/workflows/release-lambda.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
     inputs:
       version:
-        description: The version to tag the lambda release with, e.g., 1.2.0
+        description: The version to tag the lambda release with (should be the same as the ADOT SDK version, e.g., 0.8.0)
         required: true
       aws_region:
         description: 'Deploy to aws regions'
@@ -49,7 +49,7 @@ jobs:
           pip install tox
           tox
       - name: upload layer
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: layer.zip
           path: lambda-layer/src/build/aws-opentelemetry-python-layer.zip
@@ -90,7 +90,7 @@ jobs:
         run: |
           echo BUCKET_NAME=python-lambda-layer-${{ github.run_id }}-${{ matrix.aws_region }} | tee --append $GITHUB_ENV
       - name: download layer.zip
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: layer.zip
       - name: publish
@@ -128,7 +128,7 @@ jobs:
             --action lambda:GetLayerVersion
       - name: upload layer arn artifact
         if: ${{ success() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ env.LAYER_NAME }}
           path: ${{ env.LAYER_NAME }}/${{ matrix.aws_region }}
@@ -144,7 +144,7 @@ jobs:
         uses: actions/checkout@v4
       - uses: hashicorp/setup-terraform@v2
       - name: download layerARNs
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: ${{ env.LAYER_NAME }}
           path: ${{ env.LAYER_NAME }}
@@ -158,14 +158,13 @@ jobs:
       - name: generate layer-note
         working-directory: ${{ env.LAYER_NAME }}
         run: |
-          echo "| Region | Layer ARN |" >> ../layer-note
-          echo "|  ----  | ----  |" >> ../layer-note
+          echo "| Region | Layer ARN |" >> layer-note
+          echo "|  ----  | ----  |" >> layer-note
           for file in *
           do
           read arn < $file
-          echo "| " $file " | " $arn " |" >> ../layer-note
+          echo "| " $file " | " $arn " |" >> layer-note
           done
-          cd ..
           cat layer-note
       - name: generate tf layer
         working-directory: ${{ env.LAYER_NAME }}
@@ -183,17 +182,33 @@ jobs:
           terraform fmt layer.tf
           cat layer.tf
       - name: upload layer tf file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: layer.tf
           path: layer.tf
+      - name: Get commit hash
+        id: commit
+        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+      - name: Create Release Notes
+        run: |
+          echo "AWS OpenTelemetry Lambda Layer for Python version ${{ github.event.inputs.version }}-${{ steps.commit.outputs.sha_short }}" > release_notes.md
+          echo "" >> release_notes.md
+          echo "" >> release_notes.md
+          echo "See new Lambda Layer ARNs:" >> release_notes.md
+          echo "" >> release_notes.md
+          cat layer-note >> release_notes.md
+          echo "" >> release_notes.md
+          echo "Notes:" >> release_notes.md
       - name: Create GH release
         id: create_release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
         run: |
           gh release create --target "$GITHUB_REF_NAME" \
-             --title "Release lambda-v${{ github.event.inputs.version }}" \
+             --title "Release lambda-v${{ github.event.inputs.version }}-${{ steps.commit.outputs.sha_short }}" \
+             --notes-file release_notes.md  \
              --draft \
-             "lambda-v${{ github.event.inputs.version }}" \
+             "lambda-v${{ github.event.inputs.version }}-${{ steps.commit.outputs.sha_short }}" \
              layer.tf
+          echo Removing release_notes.md ...
+          rm -f release_notes.md