Invalidate docs CDN after every new deployment (#8794)

Co-authored-by: Abhay Krishna Arunachalam <[email protected]>

docs/Makefile

@@ -47,7 +47,7 @@ zip: clean build ## Create zip file of assets to upload
 	cd public && zip -r --quiet ../$(DOCS_ARCHIVE) ./
 
 deploy: zip ## Deploy docs to Amplify
-	bash ./deploy-docs.sh public.zip
+	bash ./scripts/deploy-docs.sh public.zip
 
 serve: submodule build ## Boot the development server.
 	hugo server --buildFuture --baseURL http://127.0.0.1
@@ -82,3 +82,6 @@ compute-checksum: ## Compute docs checksum
 
 upload-checksum: compute-checksum ## Upload the checksum to artifacts bucket
 	aws s3 cp DOCS_CHECKSUM s3://$(ARTIFACTS_BUCKET) --acl public-read
+
+invalidate-docs-cdn:
+	scripts/invalidate_docs_cdn.sh

docs/amplify.yml

@@ -7,7 +7,7 @@ applications:
             - make release
         postBuild:
           commands:
-            - make upload-checksum
+            - make upload-checksum invalidate-docs-cdn
       artifacts:
         baseDirectory: public
         files:

docs/scripts/invalidate_docs_cdn.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
+#
+# 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SANITIZED_BRANCH_NAME=$(echo $AWS_BRANCH | tr -d '.-')
+DISTRIBUTION_ID_PARAMETER=$(aws ssm describe-parameters --no-shared --query "Parameters[?contains(Name, '${SANITIZED_BRANCH_NAME}')].Name" --output text)
+DISTRIBUTION_ID=$(aws ssm get-parameter --name $DISTRIBUTION_ID_PARAMETER --with-decryption --query "Parameter.Value" --output text)
+echo "Invalidating distribution $DISTRIBUTION_ID"
+
+COMPLETED_STATUS="Completed"
+INVALIDATION_RESPONSE=$(aws cloudfront create-invalidation --distribution-id $DISTRIBUTION_ID --paths "/*")
+INVALIDATION_ID=$(echo $INVALIDATION_RESPONSE | jq -r '.Invalidation.Id')
+INVALIDATION_STATUS=$(echo $INVALIDATION_RESPONSE | jq -r '.Invalidation.Status')
+
+until [[ "$INVALIDATION_STATUS" == "$COMPLETED_STATUS" ]]; do
+  echo "Invalidation status: $INVALIDATION_STATUS"
+  sleep 5
+
+  GET_RESPONSE=$(aws cloudfront get-invalidation --distribution-id $DISTRIBUTION_ID --id $INVALIDATION_ID)
+  INVALIDATION_STATUS=$(echo $GET_RESPONSE | jq -r '.Invalidation.Status')
+done
+echo "Invalidation status: $INVALIDATION_STATUS"