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redhat: Use NetworkManager to set DHCP hostnames on recent RHEL distros #2640

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redhat: Use NetworkManager to set DHCP hostnames on recent RHEL distros #2640

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12 changes: 12 additions & 0 deletions azurelinuxagent/common/osutil/redhat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -164,3 +164,15 @@ def restart_if(self, ifname, retries=3, wait=5):
time.sleep(wait)
else:
logger.warn("exceeded restart retries")

def set_dhcp_hostname(self, hostname):
"""
Recent RHEL distributions use network manager instead of sysconfig files
to configure network interfaces
"""
ifname = self.get_if_name()

return_code = shellutil.run("nmcli device modify {0} ipv4.dhcp-hostname {1} ipv6.dhcp-hostname {1}".format(ifname, hostname))

if return_code != 0:
logger.error("failed to set DHCP hostname for interface {0}: return code {1}".format(ifname, return_code))