chore: Script to publish Helm charts (#675)

* Create helm_push.sh

Adding scripts to push helm charts to ECR

* Tidying up

* Publish charts with release

---------

Co-authored-by: Niall Thomson <[email protected]>

.github/workflows/publish-build.yml

@@ -90,6 +90,13 @@ jobs:
           # Push all images
           scripts/build-image.sh -r 'public.ecr.aws/aws-containers' -t $TAG --multi-arch -p
 
+      - name: Push Helm Charts
+        env:
+          TAG: "${{ github.event.inputs.tag }}"
+        run: |
+          # Push all charts
+          scripts/push-charts.sh -r 'public.ecr.aws/aws-containers'
+
   release:
     name: Release
     needs: [tag, images]

scripts/helm_push.sh

@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+
+script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
+
+CHARTS_DIR="$script_dir/../deploy/kubernetes/charts"
+
+usage() {
+  cat <<EOF
+Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-a] [-s service] [-r repository] [-t tag]
+
+Push helm charts to ECR for one or more services.
+
+Available options:
+
+-h, --help       Print this help and exit
+-r, --repository Repository name to push the charts to
+EOF
+  exit
+}
+
+parse_params() {
+  # default values of variables set from params
+  repository='public.ecr.aws/aws-containers'
+  while :; do
+    case "${1-}" in
+    -h | --help) usage ;;
+    -r | --repository)
+      repository="${2-}"
+      shift
+      ;;
+    -?*) die "Unknown option: $1" ;;
+    *) break ;;
+    esac
+    shift
+  done
+
+  args=("$@")
+
+  # check required params and arguments
+  return 0
+}
+
+parse_params "$@"
+
+# Function to publish Helm chart to ECR
+publish_chart() {
+    local chart_dir=$1
+
+    local chart_name=$(yq '.name' $chart_dir/Chart.yaml)
+    local chart_version=$(yq '.version' $chart_dir/Chart.yaml)
+
+    echo "Publishing chart: $chart_name"
+
+    helm dependency build $chart_dir
+
+    # Package the Helm chart
+    helm package "$chart_dir" --destination /tmp/
+
+    # Push the Helm chart to ECR
+    helm push /tmp/${chart_name}-${chart_version}.tgz "oci://${repository}/"
+
+    # Clean up the packaged chart file
+    rm /tmp/${chart_name}-${chart_version}.tgz
+}
+
+# Main script execution
+main() {
+  aws ecr-public get-login-password --region us-east-1 | helm registry login --username AWS --password-stdin "${repository}"
+
+  # Recursively find and process Helm charts
+    find "$CHARTS_DIR" -name Chart.yaml -not -path "*/opentelemetry/*" -exec dirname {} \; | sort -z | while read -r chart_dir; do
+        publish_chart "$chart_dir" 
+    done
+}
+
+# Run the main function
+main
+
+echo "All charts have been published to $repository"