Add 'backup/generate-config.py'

backup/generate-config.py

@@ -0,0 +1,24 @@
+import socket
+import hashlib
+import os
+
+server_hostname = input("Enter backup server subdomain: ").rstrip()
+hostname = input("Enter subdomain: ").rstrip()
+
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+s.connect(("8.8.8.8", 80))
+ip_address = s.getsockname()[0]
+s.close()
+
+assert socket.gethostbyname(hostname + ".162536.xyz") == ip_address, "Hostname does not resolve to ip!"
+
+secret_seed = input("Enter passphrase: ").rstrip()
+salted_secret_seed = hostname + secret_seed
+salted_hash_value = hashlib.sha512(salted_secret_seed.encode())
+
+with open("backup.conf", "w") as f:
+    f.write(f"export BORG_REPO='ssh://{hostname}@{server_hostname}.162536.xyz:22/~/backup/docker'\n")
+    f.write(f"export BORG_PASSPHRASE='{salted_hash_value}'\n")
+
+os.system("ssh-keygen -t rsa -q -f \"$HOME/.ssh/id_rsa\" -N \"\"")
+os.system(f"ssh-copy-id {hostname}@{server_hostname}.162536.xyz")