Save old deployment before saving new one

justfile

@@ -213,6 +213,8 @@ test *args: start-dependencies create-aurora-deployment
 
 # re-generate the deployment configuration file
 generate-chinook-configuration: build start-dependencies
+  ./scripts/archive-old-deployment.sh '{{POSTGRES_CHINOOK_DEPLOYMENT}}'
+  exit 0
   ./scripts/generate-chinook-configuration.sh 'ndc-postgres' '{{POSTGRESQL_CONNECTION_STRING}}' '{{POSTGRES_CHINOOK_DEPLOYMENT}}'
   ./scripts/generate-chinook-configuration.sh 'ndc-postgres' '{{CITUS_CONNECTION_STRING}}' '{{CITUS_CHINOOK_DEPLOYMENT}}'
   ./scripts/generate-chinook-configuration.sh 'ndc-postgres' '{{COCKROACH_CONNECTION_STRING}}' '{{COCKROACH_CHINOOK_DEPLOYMENT}}'

scripts/archive-old-deployment.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -e -u -o pipefail
+
+# before we generate a new deployment, save the current one in
+# `/static/deployment-snapshots` so we can ensure they can all be read over
+# time
+
+CHINOOK_DEPLOYMENT="$1"
+
+CURRENT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" > /dev/null && echo "$PWD")"
+
+SNAPSHOT_DIR="$(realpath ${CURRENT_DIR}/../static/deployment-snapshots)"
+
+mkdir -p "$SNAPSHOT_DIR"
+
+NEW_FILENAME="$(sha256sum "${CHINOOK_DEPLOYMENT}" | cut -f1 -d' ').json"
+
+echo "$SNAPSHOT_DIR"
+
+echo "${CHINOOK_DEPLOYMENT}"
+
+cp "${CHINOOK_DEPLOYMENT}" "${SNAPSHOT_DIR}/${NEW_FILENAME}"