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#!/usr/bin/env python3
# Latest version of Debian/Systemd hostnamectl does not support a trialing dot
# in the systems hostname. Ensure that there is no trailing dot in the configured
# systems domain-name.
import sys
from vyos.configtree import ConfigTree
if (len(sys.argv) < 1):
print("Must specify file name!")
sys.exit(1)
file_name = sys.argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
config = ConfigTree(config_file)
if not config.exists(['system', 'domain-name']):
# Nothing to do
sys.exit(0)
else:
domainname = config.return_value(['system', 'domain-name'])
config.set(['system', 'domain-name'], value=domainname.rstrip('.'))
try:
with open(file_name, 'w') as f:
f.write(config.to_string())
except OSError as e:
print("Failed to save the modified config: {}".format(e))
sys.exit(1)
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