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