Init repo

deploy/remote/rollback-stack.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+require_var() {
+  local name="$1"
+  if [ -z "${!name:-}" ]; then
+    printf 'Required environment variable %s is missing\n' "$name" >&2
+    exit 2
+  fi
+}
+
+require_var ENVIRONMENT
+require_var STACK_NAME
+
+LOCK_FILE="${RELEASE_LOCK_FILE:-/tmp/${STACK_NAME}-${ENVIRONMENT}.lock}"
+exec 9>"$LOCK_FILE"
+flock -n 9 || {
+  echo "Another deployment operation is already running for ${STACK_NAME}/${ENVIRONMENT}" >&2
+  exit 75
+}
+
+printf '{"event":"rollback_start","environment":"%s","stack":"%s"}\n' "$ENVIRONMENT" "$STACK_NAME"
+docker service rollback "${STACK_NAME}_web" || true
+printf '{"event":"rollback_requested","environment":"%s","stack":"%s"}\n' "$ENVIRONMENT" "$STACK_NAME"