WIP Prepare postgres for migration by replication

site-cookbooks/kosmos_postgresql/files/restore_database.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -euo pipefail
+
+DB_NAME="${1:?Usage: $0 <database_name>}"
+
+cd /tmp
+
+FILE="dump_${DB_NAME}.tar.zst"
+DIR="dump_${DB_NAME}"
+
+echo "Restoring $DB_NAME"
+zstd -d "$FILE" -c | tar -xf -
+pg_restore -j 4 -d "$DB_NAME" "$DIR"
+rm -rf "$DIR"