add sync readme to ecr public (#345)

Author: brycahta

.github/workflows/ci.yml

@@ -176,6 +176,9 @@ jobs:
 
     - name: Sync Readme to Dockerhub
       run: make sync-readme-to-dockerhub
+
+    - name: Sync Readme to ECR Public
+      run: make sync-readme-to-ecr-public
 
     - name: Create NTH README Update PR
       run: make create-release-prep-pr-readme

Makefile

@@ -120,6 +120,10 @@ generate-k8s-yaml:
 sync-readme-to-dockerhub:
 	${MAKEFILE_PATH}/scripts/sync-readme-to-dockerhub
 
+sync-readme-to-ecr-public:
+	@ECR_REGISTRY=${ECR_REGISTRY} ${MAKEFILE_PATH}/scripts/ecr-public-login
+	${MAKEFILE_PATH}/scripts/sync-readme-to-ecr-public
+
 ekscharts-sync:
 	${MAKEFILE_PATH}/scripts/sync-to-aws-eks-charts -b ${BINARY_NAME} -r ${REPO_FULL_NAME}
 

README.md

@@ -15,9 +15,6 @@
   <a href="https://goreportcard.com/report/github.com/aws/aws-node-termination-handler">
     <img src="https://goreportcard.com/badge/github.com/aws/aws-node-termination-handler" alt="go-report-card">
   </a>
-  <a href="https://travis-ci.org/aws/aws-node-termination-handler">
-    <img src="https://travis-ci.org/aws/aws-node-termination-handler.svg?branch=main" alt="build-status">
-  </a>
   <a href="https://codecov.io/gh/aws/aws-node-termination-handler">
     <img src="https://img.shields.io/codecov/c/github/aws/aws-node-termination-handler" alt="build-status">
   </a>
@@ -26,6 +23,8 @@
   </a>
 </p>
 
+![NTH Continuous Integration and Release](https://github.com/aws/aws-node-termination-handler/workflows/NTH%20Continuous%20Integration%20and%20Release/badge.svg)
+
 <div>
 <hr>
 </div>

scripts/sync-readme-to-ecr-public

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -euo pipefail
+
+SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
+REPO_NAME="aws-node-termination-handler"
+#about and usage section char max
+MAX_CHAR_COUNT=10240
+USAGE_TEXT="See About section"
+ADDITIONAL_MSG="...
+
+**truncated due to char limits**...
+A complete version of the ReadMe can be found [here](https://github.com/aws/aws-node-termination-handler#aws-node-termination-handler)\""
+
+
+if git --no-pager diff --name-only HEAD^ HEAD | grep 'README.md'; then
+    #converting to json to insert esc chars, then replace newlines for proper markdown render
+    raw_about=$(jq -n --arg msg "$(<$SCRIPTPATH/../README.md)" '{"usageText": $msg}' | jq '.usageText' | sed 's/\\n/\
+/g')
+    char_to_trunc="$(($MAX_CHAR_COUNT-${#ADDITIONAL_MSG}))"
+    raw_truncated="${raw_about:0:$char_to_trunc}"
+    raw_truncated+="$ADDITIONAL_MSG"
+    resp=$(aws ecr-public put-repository-catalog-data --repository-name="${REPO_NAME}" --catalog-data aboutText="${raw_truncated}",usageText="${USAGE_TEXT}" --region us-east-1)
+
+    if [[ $resp -ge 1 ]]; then
+        echo "README sync to ecr-public failed"
+        exit 1
+    else
+        echo "README sync to ecr-public succeeded!"
+    fi
+else
+    echo "README.md did not change in the last commit. Not taking any action."
+fi