chore(ci): add new script to bump Lambda layer version (#6001)

* Adding new script to bump layer version

* Adding new script to bump layer version

* Making changes to work with GNU sed

.github/workflows/publish_v3_layer.yml

@@ -33,6 +33,9 @@ on:
       latest_published_version:
         description: "Latest PyPi published version to rebuild latest docs for, e.g. 3.0.0, 3.0.0a1 (pre-release)"
         required: true
+      layer_documentation_version:
+        description: "Version to be updated in our documentation. e.g. if the current layer number is 3, this value must be 4."
+        required: true
       source_code_artifact_name:
         description: "Artifact name to restore sealed source code"
         type: string
@@ -52,6 +55,10 @@ on:
         type: string
         description: "Latest PyPi published version to rebuild latest docs for, e.g. 3.0.0, 3.0.0a1 (pre-release)"
         required: true
+      layer_documentation_version:
+        type: string
+        description: "Version to be updated in our documentation. e.g. if the current layer number is 3, this value must be 4."
+        required: true
       pre_release:
         description: "Publishes documentation using a pre-release tag (3.0.0a1)."
         default: false
@@ -257,29 +264,20 @@ jobs:
           integrity_hash: ${{ inputs.source_code_integrity_hash }}
           artifact_name: ${{ inputs.source_code_artifact_name }}
 
-  # UNCOMMENT THIS
-  #    - name: Download CDK layer artifacts
-  #      uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
-  #      with:
-  #        path: cdk-layer-stack
-  #        pattern: cdk-layer-stack-*  # merge all Layer artifacts created per region earlier (reusable_deploy_v2_layer_stack.yml; step "Save Layer ARN artifact")
-  #        merge-multiple: true
-  #    - name: Replace layer versions in documentation
-  #      run: |
-  #        ls -la cdk-layer-stack/
-  #        ./layer_v3/scripts/update_layer_arn.sh cdk-layer-stack
+      - name: Replace layer versions in documentation
+        run: ./layer_v3/scripts/update_layer_arn_v3.sh ${{ inputs.layer_documentation_version }}
       # NOTE: It felt unnecessary creating yet another PR to update changelog w/ latest tag
       # since this is the only step in the release where we update docs from a temp branch
-  #    - name: Update changelog with latest tag
-  #      run: make changelog
-  #    - name: Create PR
-  #      id: create-pr
-  #      uses: ./.github/actions/create-pr
-  #      with:
-  #        files: "docs/index.md examples CHANGELOG.md"
-  #        temp_branch_prefix: "ci-layer-docs"
-  #        pull_request_title: "chore(ci): layer docs update"
-  #        github_token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Update changelog with latest tag
+        run: make changelog
+      - name: Create PR
+        id: create-pr
+        uses: ./.github/actions/create-pr
+        with:
+          files: "docs/index.md docs/includes/_layer_homepage_arm64.md docs/includes/_layer_homepage_x86.md examples CHANGELOG.md"
+          temp_branch_prefix: "ci-layer-docs"
+          pull_request_title: "chore(ci): layer docs update"
+          github_token: ${{ secrets.GITHUB_TOKEN }}
 
   prepare_docs_alias:
     runs-on: ubuntu-latest

.github/workflows/release-v3.yml

@@ -39,6 +39,10 @@ on:
         description: "Version to be released in PyPi, Docs, and Lambda Layer, e.g. v3.0.0, v3.0.0a0 (pre-release)"
         default: v3.0.0
         required: true
+      layer_documentation_version:
+        description: "Lambda layer version to be updated in our documentation. e.g. if the current layer number is 3, this value must be 4."
+        type: string
+        required: true
       skip_pypi:
         description: "Skip publishing to PyPi as it can't publish more than once. Useful for semi-failed releases"
         default: false
@@ -342,6 +346,7 @@ jobs:
     uses: ./.github/workflows/publish_v3_layer.yml
     with:
       latest_published_version: ${{ needs.seal.outputs.RELEASE_VERSION }}
+      layer_documentation_version: ${{ inputs.layer_documentation_version }}
       pre_release: ${{ inputs.pre_release }}
       source_code_artifact_name: ${{ needs.seal.outputs.artifact_name }}
       source_code_integrity_hash: ${{ needs.seal.outputs.integrity_hash }}

layer_v3/scripts/update_layer_arn_v3.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# This script is run during the publish_v3_layer.yml CI job,
+# and it is responsible for replacing the layer ARN in our documentation.
+# Our pipeline must generate the same layer number for all commercial regions + gov cloud
+# If this doesn't happens, we have an error and we must fix it in the deployment.
+#
+# see .github/workflows/reusable_deploy_v3_layer_stack.yml
+
+
+# Get the new version number from the first command-line argument
+new_version=$1
+if [ -z "$new_version" ]; then
+    echo "Usage: $0 <new_version>"
+    exit 1
+fi
+
+# Find all files with specified extensions in ./docs and ./examples directories
+# -type f: only find files (not directories)
+# \( ... \): group conditions
+# -o: logical OR
+# -print0: use null character as separator (handles filenames with spaces)
+find ./docs ./examples -type f \( -name "*.md" -o -name "*.py" -o -name "*.yaml" -o -name "*.txt" -o -name "*.tf" -o -name "*.yml" \) -print0 | while IFS= read -r -d '' file; do
+    echo "Processing file: $file"
+
+    # Use sed to replace the version number in the Lambda layer ARN
+    # -i: edit files in-place without creating a backup
+    # -E: use extended regular expressions
+    # The regex matches the layer name and replaces only the version number at the end
+    sed -i -E "s/(AWSLambdaPowertoolsPythonV3-python[0-9]+-((arm64)|(x86_64)):)[0-9]+/\1$new_version/g" "$file"
+    if [ $? -eq 0 ]; then
+        echo "Updated $file successfully"
+        grep "arn:aws:lambda:" "$file"
+    else
+        echo "Error processing $file"
+    fi
+done
+echo "Layer version update attempt completed."