added backup script for forgejo

forgejo.json.sample

@@ -0,0 +1,36 @@
+// vim: ft=jsonc
+// put this file into the secrets subdir
+{
+    "common": {
+        "GOTIFY_TOKEN": "gotify token",
+        "BACKUP_DOCKER_DIR": "path to the docker compose file",
+        "BACKUP_DIRS": ["list of directories to backup"],
+        "EXCLUDE_DIRS": ["list of directories to exclude"],
+        "TIME_FORMAT": "utcnow:%Y-%m-%d_%H:%M:%S",
+        "REPO_SUBDIR": "forgejo",
+        "MYSQL_DB": "database name",
+        "MYSQL_USER": "database user required for dumping the database",
+        "MYSQL_PASSWORD": "password required for dumping the database "
+    },
+    "remotes": [
+        {
+            "enabled": true,
+            "HOSTNAME": "myuser.your-storagebox.de:23",
+            "BORG_RSH": "ssh -i /home/lennartalff/.ssh/borg.ed25519",
+            "BORG_PASSPHRASE": "the passphrase",
+            // the resulting repo path is REPO_PREFIX/hostname/REPO_SUBDIR/
+            "REPO_PREFIX": "backups",
+            "BACKUP_USER": "u433234"
+        },
+        {
+            "enabled": true,
+            "HOSTNAME": "mySecondaryBackupServer",
+            "BORG_RSH": "ssh -i /home/lennartalff/.ssh/borg.ed25519",
+            "BORG_PASSPHRASE": "the passphrase",
+            // the resulting repo path is REPO_PREFIX/hostname/REPO_SUBDIR/
+            "REPO_PREFIX": "backups",
+            "BACKUP_USER": "u433234"
+        }
+    ]
+}
+

forgejo_backup

@@ -0,0 +1,99 @@
+#!/usr/bin/env python3
+
+import json
+import subprocess
+import os
+from pathlib import Path
+import backup_manager
+
+
+def read_config():
+    source_path = Path(__file__).resolve()
+    nextcloud_secret = source_path.parent / "secrets/forgejo.json"
+    with open(nextcloud_secret, "r") as f:
+        config = json.load(f)
+    return config
+
+
+class ForgejoManager(backup_manager.BackupManager):
+    def __init__(self, config):
+        super().__init__(config=config)
+
+    def stop_all_services(self):
+        cmd = "docker compose stop"
+        try:
+            result = subprocess.run(
+                cmd, shell=True, text=True, check=True, capture_output=True
+            )
+        except subprocess.CalledProcessError as e:
+            self._gotify.send_subprocess_error("Failed to stop services", error=e)
+            return False
+        return True
+
+    def start_all_services(self):
+        cmd = "docker compose up -d"
+        try:
+            result = subprocess.run(
+                cmd, shell=True, text=True, check=True, capture_output=True
+            )
+        except subprocess.CalledProcessError as e:
+            self._gotify.send_subprocess_error("Failed to start services", error=e)
+            return False
+        return True
+
+    def start_database(self):
+        cmd = "docker compose up -d db"
+        try:
+            result = subprocess.run(
+                cmd, shell=True, text=True, check=True, capture_output=True
+            )
+        except subprocess.CalledProcessError as e:
+            self._gotify.send_subprocess_error(
+                "Failed to start database service", error=e
+            )
+            return False
+        return True
+
+    def dump_database(self):
+        password = self._common["MYSQL_PASSWORD"]
+        user = self._common["MYSQL_USER"]
+        db = self._common["MYSQL_DB"]
+
+        cmd = f"docker compose exec -i --user 1000:1000 db mariadb-dump --single-transaction --default-character-set=utf8mb4 -h localhost -u {user} --password={password} {db} > mysql/forgejo.sql"
+        try:
+            result = subprocess.run(
+                cmd,
+                shell=True,
+                check=True,
+                text=True,
+                capture_output=True,
+            )
+        except subprocess.CalledProcessError as e:
+            self._gotify.send_subprocess_error("Dumping database failed", e)
+            return False
+        self._gotify.send_success("Database dumped", result)
+        return True
+
+
+def main():
+    config = read_config()
+    os.chdir(config["common"]["BACKUP_DOCKER_DIR"])
+    backup_manager = ForgejoManager(config)
+    if not backup_manager.stop_all_services():
+        exit(1)
+    if not backup_manager.start_database():
+        backup_manager.start_all_services()
+        exit(1)
+    if not backup_manager.dump_database():
+        backup_manager.start_all_services()
+        exit(1)
+    if not backup_manager.borg_backup():
+        backup_manager.start_all_services()
+        exit(1)
+    if not backup_manager.start_all_services():
+        exit(1)
+    exit(0)
+
+
+if __name__ == "__main__":
+    main()