Add restic helper script

scripts/restic/restic.py

@@ -0,0 +1,36 @@
+import argparse
+import keyring
+import os
+import subprocess
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Helper script for working with restic backups")
+
+    parser.add_argument("--service", type=str, required=True,
+                        help="Service with whose backup to work with")
+    parser.add_argument("--volume", type=str, required=True,
+                        help="Volume with whose backup to work with")
+    parser.add_argument('rest', nargs=argparse.REMAINDER)
+
+    args = parser.parse_args()
+
+    scw_project_id = keyring.get_password("scaleway", "access_key")
+    scw_secret_key = keyring.get_password("scaleway", "secret_key")
+    restic_password = keyring.get_password("restic", "password")
+
+    scw_environ = {
+        "AWS_ACCESS_KEY_ID": scw_project_id,
+        "AWS_SECRET_ACCESS_KEY": scw_secret_key,
+        "RESTIC_PASSWORD": restic_password,
+    }
+    environ = {**os.environ, **scw_environ}
+    bucket_name = f"the-nine-worlds---{args.service}---{args.volume}"
+
+    cmd = ["restic",
+           "--option", "s3.storage-class=ONEZONE_IA",
+           "--repo", f"s3:https://s3.fr-par.scw.cloud/{bucket_name}"]
+    cmd += args.rest
+
+    output = subprocess.run(cmd, env=environ, check=False)
+    exit(output.returncode)