support for multiple remotes

paperless-ngx_backup

@@ -18,7 +18,9 @@ def read_config():
 class BackupManager:
     def __init__(self):
         self._config = read_config()
-        self._gotify = gotify.Gotify(self._config["GOTIFY_TOKEN"])
+        self._remotes = self._config["remotes"]
+        self._common = self._config["common"]
+        self._gotify = gotify.Gotify(self._common["GOTIFY_TOKEN"])
 
     def export_data(self):
         cmd = "docker compose exec -it webserver document_exporter ../export -d -f"
@@ -33,33 +35,49 @@ class BackupManager:
         return True
 
     def borg_backup(self):
-        backup_dirs = " ".join(self._config["BACKUP_DIRS"])
-        exclude_dirs = " ".join(self._config["EXCLUDE_DIRS"])
-        repo_subdir = self._config["REPO_SUBDIR"]
-        time_format = self._config["TIME_FORMAT"]
-        backup_user = self._config["BACKUP_USER"]
-        hostname = os.uname().nodename
-        borg_env = os.environ.copy()
-        borg_env["BORG_RSH"] = self._config["BORG_RSH"]
-        borg_env["BORG_PASSPHRASE"] = self._config["BORG_PASSPHRASE"]
-        repo = f"ssh://{backup_user}@{backup_user}.your-storagebox.de:23/./backups/{hostname}/{repo_subdir}::{{{time_format}}}"
-        cmd = f"borg create -v --stats {repo} {backup_dirs} --exclude {exclude_dirs}"
-        try:
-            result = subprocess.run(
-                cmd,
-                shell=True,
-                check=True,
-                text=True,
-                capture_output=True,
-                env=borg_env,
-            )
-        except subprocess.CalledProcessError as e:
-            self._gotify.send_subprocess_error("Backup failed", e)
-            return False
-        self._gotify.send_backup_successful(result)
+        # common config for all remotes
+        backup_dirs = " ".join(self._common["BACKUP_DIRS"])
+        exclude_dirs = " ".join(self._common["EXCLUDE_DIRS"])
+        repo_subdir = self._common["REPO_SUBDIR"]
+        time_format = self._common["TIME_FORMAT"]
+
+        disabled_remotes = []
+        for remote in self._remotes:
+            remote_host = remote["HOSTNAME"]
+            if not remote["enabled"]:
+                disabled_remotes.append(remote_host)
+                continue
+            local_host = os.uname().nodename
+            backup_user = remote["BACKUP_USER"]
+            repo_prefix = remote["REPO_PREFIX"]
+            borg_env = os.environ.copy()
+            borg_env["BORG_RSH"] = remote["BORG_RSH"]
+            borg_env["BORG_PASSPHRASE"] = remote["BORG_PASSPHRASE"]
+            repo = f"ssh//{backup_user}@{remote_host}/{repo_prefix}/{local_host}/{repo_subdir}::{{{time_format}}}"
+            cmd = f"borg create -v --stats {repo} {backup_dirs} --exclude {exclude_dirs}"
+            try:
+                result = subprocess.run(
+                    cmd,
+                    shell=True,
+                    check=True,
+                    text=True,
+                    capture_output=True,
+                    env=borg_env,
+                )
+            except subprocess.CalledProcessError as e:
+                self._gotify.send_subprocess_error("Backup failed", e)
+                return False
+            self._gotify.send_backup_successful(result)
+
+        if disabled_remotes:
+            text = "Skipped disabled remotes:\n" + "\n".join(disabled_remotes)
+            self._gotify.send_info(title="Skipped remotes", text=text)
+
         return True
 
 
+
+
 def main():
     config = read_config()
     os.chdir(config["BACKUP_DOCKER_DIR"])

paperless.json.sample

@@ -1,13 +1,32 @@
 // vim: ft=jsonc
 // put this file into the secrets subdir
 {
-    "BORG_RSH": "ssh -i /home/lennartalff/.ssh/borg.ed25519",
-    "BORG_PASSPHRASE": "the passphrase",
-    "GOTIFY_TOKEN": "gotify token",
-    "BACKUP_DOCKER_DIR": "path to the docker compose file",
-    "BACKUP_DIRS": ["list of directories to backup"],
-    "REPO_SUBDIR": "paperless-ngx",
-    "BACKUP_USER": "u433234",
-    "EXCLUDE_DIRS": ["list of directories to exclude"],
-    "TIME_FORMAT": "utcnow:%Y-%m-%d_%H:%M:%S"
+    "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": "paperless-ngx"
+    },
+    "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"
+        }
+    ]
 }