aws · cjerad · Oct 4, 2022 · Oct 3, 2022
@@ -6,6 +6,7 @@ KO = $(BIN_DIR)/ko
 SETUP_ENVTEST = $(BIN_DIR)/setup-envtest
 GINKGO = $(BIN_DIR)/ginkgo
 GUM = $(BIN_DIR)/gum
+GH = $(BIN_DIR)/gh
 HELM_BASE_OPTS ?= --set aws.region=${AWS_REGION},serviceAccount.name=${SERVICE_ACCOUNT_NAME},serviceAccount.annotations.eks\\.amazonaws\\.com/role-arn=${SERVICE_ACCOUNT_ROLE_ARN}
 GINKGO_BASE_OPTS ?= --coverpkg $(shell head -n 1 $(PROJECT_DIR)/go.mod | cut -s -d ' ' -f 2)/pkg/...
 KODATA = \
@@ -67,6 +68,9 @@ $(KO):
 $(GUM):
 	@$(PROJECT_DIR)/scripts/download-gum.sh "$(BIN_DIR)"
 
+$(GH):
+	@$(PROJECT_DIR)/scripts/download-gh.sh "$(BIN_DIR)"
+
 $(SETUP_ENVTEST):
 	GOBIN="$(BIN_DIR)" go install sigs.k8s.io/controller-runtime/tools/[email protected]
 	PATH="$(BIN_DIR):$(PATH)" $(SCRIPTS_DIR)/download-kubebuilder-assets.sh
@@ -151,5 +155,9 @@ latest-release-tag: ## Get tag of most recent release.
 repo-full-name: ## Get the full name of the GitHub repository for Node Termination Handler.
 	@echo "$(GITHUB_REPO_FULL_NAME)"
 
+.PHONY: ekscharts-sync-release
+ekscharts-sync-release: $(GH)
+	@PATH="$(BIN_DIR):$(PATH)" $(PROJECT_DIR)/scripts/sync-to-aws-eks-charts.sh -n
+
 .PHONY: version
 version: latest-release-tag ## Get the most recent release version.
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+usage=$(cat << EOM
+usage: $(basename "$0") -h | DIR_PATH
+
+    Download the gh binary to DIR_PATH.
+
+    Arguments:
+        -h  Print usage message then exit.
+
+EOM
+)
+
+while getopts "h" opt; do
+    case $opt in
+        h ) echo "${usage}"
+            exit 0
+            ;;
+        \? ) echo "${usage}" 1>&2
+             exit 1
+             ;;
+    esac
+done
+
+dir_path="$1"
+
+if [[ -z "${dir_path}" ]]; then
+    echo "error: missing directory path" 1>&2
+    echo 1>&2
+    echo "${usage}" 1>&2
+    exit 1
+fi
+
+if ! command -v wget >/dev/null; then
+    echo "error: wget not installed" 1>&2
+    exit 1
+fi
+
+version="2.16.1"
+arch="$(go env GOHOSTARCH)"
+os="$(go env GOHOSTOS)"
+
+if [[ "${os}" == "darwin" ]]; then
+    os="macOS"
+fi
+
+echo "Downloading github.com/cli/cli@v${version} ..."
+
+mkdir -p "${dir_path}"
+cd "${dir_path}"
+wget https://github.com/cli/cli/releases/download/v${version}/gh_${version}_${os}_${arch}.tar.gz -O - | \
+    tar xzf - gh
@@ -0,0 +1,198 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+repo_root_path="$(cd "$(dirname "$0")"; cd ..; pwd -P)"
+makefile_path="${repo_root_path}/Makefile"
+
+if ! command -v gh >/dev/null; then
+    echo "error: required executable 'gh' not found" >&2
+    exit 1
+fi
+
+github_nth_full_repo_name="$(make -s -f "${makefile_path}" repo-full-name)"
+nth_version="$(make -s -f "${makefile_path}" version)"
+
+helm_chart_name="aws-node-termination-handler-2"
+helm_chart_path="${repo_root_path}/charts/${helm_chart_name}"
+
+github_eks_charts_full_repo_name="aws/eks-charts"
+github_username="${GITHUB_USERNAME:-}"
+github_token="${GITHUB_TOKEN:-}"
+
+include_notes=0
+
+usage=$(cat << EOM
+usage: $(basename $0) -h | [-n] [-r REPOSITORY] [-e REPOSITORY]
+
+    Open Pull Request to eks-charts repository with the latest ${helm_chart_name} Helm chart.
+
+    Options:
+        -h             Display this help message then exit.
+        -n             Include application release node in the created Pull Request.
+        -r REPOSITORY  Node Termination Handler GitHub repository. Defaults to "${github_nth_full_repo_name}".
+
+    Options for testing:
+        -e REPOSITORY  EKS Charts GitHub repository. Defaults to "${github_eks_charts_full_repo_name}".
+        -u USERNAME    GitHub username. Defaults to the value of the environment variable, GITHUB_USERNAME.
+        -t TOKEN       GitHub token. Defaults to the value of the environment variable, GITHUB_TOKEN .
+        -v VERSION     NTH version. Defaults to "${nth_version}".
+
+EOM
+)
+
+while getopts "nr:e:u:t:v:h" opt; do
+    case "${opt}" in
+        n ) include_notes=1
+            ;;
+        r ) github_nth_full_repo_name="${OPTARG}"
+            ;;
+        e ) github_eks_charts_full_repo_name="${OPTARG}"
+            ;;
+        u ) github_username="${OPTARG}"
+            ;;
+        t ) github_token="${OPTARG}"
+            ;;
+        v ) nth_version="${OPTARG}"
+            ;;
+        h ) echo "${usage}"
+            exit 0
+            ;;
+        \?) echo "${usage}" >&2
+            exit 1
+            ;;
+    esac
+done
+
+assert_not_empty() {
+    if [[ -z "${!1}" ]]; then
+        echo "error: missing argument ${1}" >&2
+        echo "${usage}" >&2
+        exit 1
+    fi
+}
+
+assert_not_empty github_nth_full_repo_name
+assert_not_empty github_eks_charts_full_repo_name
+assert_not_empty github_username
+assert_not_empty github_token
+assert_not_empty nth_version
+
+github_eks_charts_repo_name="$(echo "${github_eks_charts_full_repo_name}" | cut -d '/' -f2)"
+
+#################################################
+
+echo -e "🥑 Configure gh cli"
+
+gh_client_config_dir="${HOME}/.config/gh"
+gh_client_config_path="${gh_client_config_dir}/config.yml"
+gh_client_config_backup_path="${gh_client_config_dir}/config.yml.backup"
+
+restore_gh_config() {
+    if [[ -f "${gh_client_config_backup_path}" ]]; then
+        echo -e "🥑 Restore gh cli configuration"
+        mv -f "${gh_client_config_backup_path}" "${gh_client_config_path}" || :
+    fi
+}
+
+trap restore_gh_config EXIT
+
+echo "Backing up existing configuration"
+mkdir -p "${gh_client_config_dir}"
+mv -f "${gh_client_config_path}" "${gh_client_config_backup_path}"
+
+echo "Writing custom configuration"
+cat << EOF > "${gh_client_config_path}"
+hosts:
+    github.com:
+        oauth_token: "${github_token}"
+        user: "${github_username}"
+EOF
+
+#################################################
+
+echo -e "🥑 Clone ${github_eks_charts_full_repo_name}"
+
+eks_sync_path="${repo_root_path}/build/eks-sync"
+rm -rf "${eks_sync_path}"
+mkdir -p "${eks_sync_path}"
+
+cd "${eks_sync_path}"
+gh repo fork "${github_eks_charts_full_repo_name}" --clone --remote
+eks_charts_repo_path="${eks_sync_path}/${github_eks_charts_repo_name}"
+
+cd "${eks_charts_repo_path}"
+git_default_branch="$(git rev-parse --abbrev-ref HEAD | tr -d '\n')"
+git merge --ff-only "upstream/${git_default_branch}"
+git remote set-url origin "https://${github_username}:${github_token}@github.com/${github_username}/${github_eks_charts_repo_name}.git"
+git push origin "${git_default_branch}"
+
+#################################################
+
+echo -e "🥑 Check whether chart is in sync"
+
+eks_charts_nth_path="${eks_charts_repo_path}/stable/${helm_chart_name}"
+if diff -x ".*" -r "${helm_chart_path}/" "${eks_charts_nth_path}/" &>/dev/null ; then
+  echo " ✅ Charts already in sync; no updates needed"
+  exit
+fi
+
+echo -e "🚨 Charts are NOT in sync"
+
+#################################################
+
+echo -e "🥑 Copy updates to chart"
+
+rm -rf "${eks_charts_nth_path}"
+cp -R "${helm_chart_path}/" "${eks_charts_nth_path}/"
+
+#################################################
+
+echo -e "🥑 Commit updates"
+
+helm_chart_version="$(cat "${helm_chart_path}/Chart.yaml" | grep "version:" | cut -d ' ' -f2 | tr -d '"')"
+pr_id="$(uuidgen | cut -d '-' -f1)"
+git_release_branch="${helm_chart_name}-${helm_chart_version}-${pr_id}"
+git checkout -b "${git_release_branch}"
+
+git add --all
+git commit --author="ec2-bot 🤖 <[email protected]>" -m "${helm_chart_name}: ${helm_chart_version}"
+git push -u origin "${git_release_branch}"
+
+#################################################
+
+echo -e "🥑 Create pull request"
+
+format_release_notes() {
+    echo "## ${helm_chart_name} ${helm_chart_version} Automated Chart Sync! 🤖🤖"
+
+    if [[ ${include_notes} -ne 1 ]]; then
+        return 0
+    fi
+
+    local authorization_header="Authorization: token ${GITHUB_TOKEN}"
+    local release_id="$(curl -s -H "${authorization_header}" \
+        https://api.github.com/repos/${github_nth_full_repo_name}/releases | \
+        jq --arg ver "${nth_version}" '.[] | select(.tag_name==$ver) | .id')"
+
+    echo
+    echo "### 📝 Release Notes 📝"
+    echo
+    echo "$(curl -s -H "${authorization_header}" \
+        https://api.github.com/repos/${github_nth_full_repo_name}/releases/${release_id} | \
+        jq -r '.body')"
+    echo
+}
+
+if ! gh pr create \
+    --title "🥳 ${helm_chart_name} ${helm_chart_version} Automated Release! 🥑" \
+    --body "$(format_release_notes)" \
+    --repo "${github_eks_charts_full_repo_name}" \
+    --base "master"; then
+    echo -e "❌ Failed to create pull request"
+    exit 1
+fi
+
+echo -e "✅ Pull request created"
+
+echo -e "✅ EKS charts sync complete"