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Update the hostname in /boot/firmware/user-data #19

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Merged
civerachb-cpr merged 4 commits into from
Mar 4, 2025
Merged

Update the hostname in /boot/firmware/user-data #19

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b1d7724
Update the hostname in /boot/firmware/user-data as well as /etc/hostn…
civerachb-cpr Feb 20, 2025
a32e1f2
Disable line-length warning
civerachb-cpr Feb 20, 2025
9373531
Suppress error output about failure to preserve permissions across fi…
civerachb-cpr Mar 3, 2025
f767da4
Write the updated hostname to the turtlebot4/system file
civerachb-cpr Mar 4, 2025
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17 changes: 16 additions & 1 deletion turtlebot4_setup/conf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,7 @@ def __init__(self) -> None:
self.netplan_wifis_file = os.path.join(self.netplan_dir, '50-wifis.yaml')
self.discovery_sh_file = os.path.join(self.setup_dir, 'discovery.sh')
self.hostname_file = '/etc/hostname'
self.fw_user_data_file = '/boot/firmware/user-data'

self.system_conf = copy.deepcopy(self.default_system_conf)
self.wifi_conf = copy.deepcopy(self.default_wifi_conf)
Expand Down Expand Up @@ -213,7 +214,12 @@ def write_system(self):
system = f.readlines()
for i, line in enumerate(system):
is_conf = False
for k in [SystemOptions.MODEL, SystemOptions.VERSION, SystemOptions.ROS]:
for k in [
SystemOptions.MODEL,
SystemOptions.VERSION,
SystemOptions.ROS,
SystemOptions.HOSTNAME,
]:
if k in line:
system[i] = f'{k}:{self.system_conf[k]}\n'
is_conf = True
Expand All @@ -230,6 +236,15 @@ def write_system(self):
f.write(self.get(SystemOptions.HOSTNAME))
subprocess.run(shlex.split('sudo mv /tmp' + self.hostname_file + ' ' + self.hostname_file))

# update /boot/firmware/user-data with the new hostname
subprocess.run(shlex.split(f'cp {self.fw_user_data_file} /tmp/user-data'))
subprocess.run(shlex.split(f'sed -i -E "s/^hostname:.+/hostname: {self.get(SystemOptions.HOSTNAME)}/" /tmp/user-data')) # noqa: E501
subprocess.run(
shlex.split(f'sudo mv /tmp/user-data {self.fw_user_data_file}'),
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
)

def read_wifi(self):
try:
# Try to open the existing wifi configuration, but if it doesn't exist we can carry on
Expand Down
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