src/check_success.py

@@ -1,34 +0,0 @@
-from datetime import datetime
-import requests
-import os
-
-import config
-
-
-def raiseWebhook(message, file=None):
-    data = {
-        "username": "Backup script",
-        "embeds": 
-        [{
-            "title": "Erreur lors de la sauvegarde",
-            "description": message,
-            "color": color_red,
-            "fields": []
-        }]
-    }
-
-    if file is not None:
-        data[files]={"file": open(file, "rb")}
-
-    requests.post(config.ERROR_WEBHOOK, json=data)
-
-with open("latest-success", "r") as f:
-    latest_success = f.read().strip()
-
-today = datetime.today().strftime('%Y-%m-%d')
-if latest_success != today:
-    log_file = None
-    if os.path.exists(f"logs/{today}.txt"):
-        log_file = f"logs/{today}.txt"
-
-    raiseWebhook(f"No successful backup today", file=log_file)

src/example_config.py

@@ -8,5 +8,3 @@ REMOTE_USER = "myuser"
 BACKUP_MAP = [
     ("/home/remote/MyData", "backup-it-here") # myuser@192.168.1.5:/home/remote/MyData will be backed up to /mnt/{backup-date and "latest"}/backup-it-here
 ]
-
-ERROR_WEBHOOK = "https://discord.com/api/webhooks/...."

src/main.py

@@ -1,7 +1,6 @@
 from datetime import datetime
 import subprocess
 import requests
-import sys
 import os
 
 import config
@@ -10,19 +9,9 @@ def log(*args, **kwargs):
     date = datetime.now().strftime('%d-%b-%Y %H:%M:%S')
     print(f"[{date}]", *args, **kwargs)
 
-def log_error(*args, **kwargs):
-    date = datetime.now().strftime('%d-%b-%Y %H:%M:%S')
-    print(f"[{date}]", *args, **kwargs, file=sys.stderr)
-
-def check_return_code(ret, *args, **kwargs):
-    if ret != 0:
-        log_error(*args, **kwargs)
-        exit(1)
-
 
 if not os.path.exists(config.DISK):
     log_error(f"Drive {config.DISK} not present on the system")
-    exit(1)
 
 passwd = requests.get(config.PWD_URL).text.strip()
 log("Got password :", passwd)
@@ -31,46 +20,26 @@ ssh_key_passwd = requests.get(config.SSH_KEY_PWD_URL).text.strip()
 log("Got password :", ssh_key_passwd)
 
 
-class Drive():
+subprocess.run([
-    def __init__(self, disk, passwd, mount_location):
-        self.disk = disk
-        self.passwd = passwd
-        self.mount_location = mount_location
-
-    def __enter__(self):
-        subprocess.run([
     "cryptsetup", "luksOpen",
-            self.disk, "backup"
+    config.DISK, "backup"
-        ], input=self.passwd, text=True)
+], input=passwd, text=True)
 
-        subprocess.call([
+subprocess.call([
     "mount", "/dev/mapper/backup",
-            self.mount_location
+    config.MNT_LOCATION
-        ])
+])
-        return self
 
-    def __exit__(self, exception_type, exception_value, exception_traceback):
+log("Successfully mounted, doing the backup stuff")
-        subprocess.call([
-            "umount", self.mount_location
-        ])
 
-        subprocess.call([
+os.makedirs(
-            "cryptsetup", "luksClose",
-            "/dev/mapper/backup"
-        ])
-
-
-with Drive(config.DISK, passwd, config.MNT_LOCATION) as backup_drive:
-    log("Successfully mounted, doing the backup stuff")
-
-    os.makedirs(
     os.path.join(config.MNT_LOCATION, "latest"),
     exist_ok=True
-    )
+)
 
-    for src, dest in config.BACKUP_MAP:
+for src, dest in config.BACKUP_MAP:
     # We could also use a rsync daemon on the remote machine for pwd(-less) auth
-        ret = subprocess.call(
+    subprocess.call(
         [
             "sshpass", "-P", "passphrase", "-e",
                 "rsync",
@@ -83,25 +52,29 @@ with Drive(config.DISK, passwd, config.MNT_LOCATION) as backup_drive:
         ],
         env={**os.environ, "SSHPASS":ssh_key_passwd}
     )
-        check_return_code(ret, f"Error when syncing {config.REMOTE_LOCATION}")
 
-    log("Rsync ok. Creating snapshot.")
+log("Rsync ok. Creating snapshot.")
 
-    ret = subprocess.call([
+subprocess.call([
     "cp", "-a",
     "--reflink=always", #! The partition must be Btrfs or XFS
     os.path.join(config.MNT_LOCATION, "latest"),
     os.path.join(config.MNT_LOCATION, datetime.today().strftime('%Y-%m-%d'))
-    ])
+])
-    check_return_code(ret, f"Error when creating snapshot")
 
-    log("Snapshot ok. Deleting unneeded backups.")
+log("Snapshot ok. Deleting unneeded backups.")
 
-    #TODO
+#TODO
 
-    log("Unmounting.")
+log("Unmounting.")
 
-log("Everything okay, done !")
+subprocess.call([
+    "umount", config.MNT_LOCATION
+])
 
-with open("latest-success", "w") as f:
+subprocess.call([
-    f.write(datetime.today().strftime('%Y-%m-%d'))
+    "cryptsetup", "luksClose",
+    "/dev/mapper/backup"
+])
+
+log("Done !")