This bug is believed to be fixed in cloud-init in version 20.1. If this
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** Changed in: cloud-init
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1850988
Title:
[Cloud-init 18.5][CentOS 7 on vSphere] Crash when configuring static
dual-stack (IPv4 + IPv6) networking
Status in cloud-init:
Fix Released
Bug description:
Environment:
- Stock CentOS 7 image template (comes with OpenVM tools) with cloud-init
18.5 installed
- Single NIC VM
- vSphere 6.5 hypervisor
Repro steps:
- Customize the VM with a vSphere customization spec that has NIC setting
with static IPv4 and IPv6 information
- OpenVM tools running inside guest will delegate guest customization to
cloud-init
- Cloud-init crashes with ValueError: Unknown subnet type 'static6' found
for interface 'ens192' . See the following relevant excerts and stacktrace
(found in /var/log/cloudinit.log):
[...snip...]
2019-11-01 02:23:41,899 - DataSourceOVF.py[DEBUG]: Found VMware Customization
Config File at /var/run/vmware-imc/cust.cfg
2019-11-01 02:23:41,899 - config_file.py[INFO]: Parsing the config file
/var/run/vmware-imc/cust.cfg.
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: FOUND CATEGORY = 'NETWORK'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NETWORK|NETWORKING' = 'yes'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NETWORK|BOOTPROTO' = 'dhcp'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NETWORK|HOSTNAME' = 'pr-centos-ci'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NETWORK|DOMAINNAME' = 'gsslabs.local'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: FOUND CATEGORY = 'NIC-CONFIG'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC-CONFIG|NICS' = 'NIC1'
2019-11-01 02:23:41,900 - config_file.py[DEBUG]: FOUND CATEGORY = 'NIC1'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|MACADDR' = '00:50:56:89:b7:48'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|ONBOOT' = 'yes'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|IPv4_MODE' = 'BACKWARDS_COMPATIBLE'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|BOOTPROTO' = 'static'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|IPADDR' = '1.1.1.4'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|NETMASK' = '255.255.255.0'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|IPv6ADDR|1' = '2600::10'
2019-11-01 02:23:41,902 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|IPv6NETMASK|1' = '64'
2019-11-01 02:23:41,903 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'NIC1|IPv6GATEWAY|1' = '2600::1'
2019-11-01 02:23:41,903 - config_file.py[DEBUG]: FOUND CATEGORY = 'DNS'
2019-11-01 02:23:41,903 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'DNS|DNSFROMDHCP' = 'no'
2019-11-01 02:23:41,904 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'DNS|SUFFIX|1' = 'sqa.local'
2019-11-01 02:23:41,904 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'DNS|NAMESERVER|1' = '192.168.0.10'
2019-11-01 02:23:41,904 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'DNS|NAMESERVER|2' = 'fc00:10:118:192:250:56ff:fe89:64a8'
2019-11-01 02:23:41,904 - config_file.py[DEBUG]: FOUND CATEGORY = 'DATETIME'
2019-11-01 02:23:41,904 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'DATETIME|TIMEZONE' = 'Asia/Kolkata'
2019-11-01 02:23:41,904 - config_file.py[DEBUG]: ADDED KEY-VAL ::
'DATETIME|UTC' = 'no'
2019-11-01 02:23:41,904 - DataSourceOVF.py[DEBUG]: Preparing the Network
configuration
2019-11-01 02:23:41,907 - util.py[DEBUG]: Running command ['ip', 'addr',
'show'] with allowed return codes [0] (shell=False, capture=True)
2019-11-01 02:23:41,926 - config_nic.py[INFO]: Configuring the interfaces file
2019-11-01 02:23:41,927 - config_nic.py[INFO]: Debian OS not detected.
Skipping the configure step
2019-11-01 02:23:41,927 - util.py[DEBUG]: Recursively deleting
/var/run/vmware-imc
[...snip...]
2019-11-01 02:23:43,225 - stages.py[INFO]: Applying network configuration
from ds bringup=False: {'version': 1, 'config': [{'subnets': [{'control':
'auto', 'netmask': '255.255.255.0', 'type': 'static', 'address': '1.1.1.4'},
{'netmask': '64', 'type': 'static6', 'address': '2600::10'}], 'type':
'physical', 'name': u'ens192', 'mac_address': '00:50:56:89:b7:48'}, {'search':
['sqa.local'], 'type': 'nameserver', 'address': ['192.168.0.10',
'fc00:10:118:192:250:56ff:fe89:64a8']}]}
2019-11-01 02:23:43,226 - __init__.py[DEBUG]: Selected renderer 'sysconfig'
from priority list: None
2019-11-01 02:23:43,244 - util.py[WARNING]: failed stage init-local
2019-11-01 02:23:43,249 - util.py[DEBUG]: failed stage init-local
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/cloudinit/cmd/main.py", line 652, in
status_wrapper
ret = functor(name, args)
File "/usr/lib/python2.7/site-packages/cloudinit/cmd/main.py", line 362, in
main_init
init.apply_network_config(bring_up=bool(mode != sources.DSMODE_LOCAL))
File "/usr/lib/python2.7/site-packages/cloudinit/stages.py", line 672, in
apply_network_config
return self.distro.apply_network_config(netcfg, bring_up=bring_up)
File "/usr/lib/python2.7/site-packages/cloudinit/distros/__init__.py", line
178, in apply_network_config
dev_names = self._write_network_config(netconfig)
File "/usr/lib/python2.7/site-packages/cloudinit/distros/rhel.py", line 65,
in _write_network_config
return self._supported_write_network_config(netconfig)
File "/usr/lib/python2.7/site-packages/cloudinit/distros/__init__.py", line
93, in _supported_write_network_config
renderer.render_network_config(network_config)
File "/usr/lib/python2.7/site-packages/cloudinit/net/renderer.py", line 56,
in render_network_config
templates=templates, target=target)
File "/usr/lib/python2.7/site-packages/cloudinit/net/sysconfig.py", line
641, in render_network_state
templates=templates).items():
File "/usr/lib/python2.7/site-packages/cloudinit/net/sysconfig.py", line
614, in _render_sysconfig
cls._render_physical_interfaces(network_state, iface_contents)
File "/usr/lib/python2.7/site-packages/cloudinit/net/sysconfig.py", line
472, in _render_physical_interfaces
cls._render_subnets(iface_cfg, iface_subnets)
File "/usr/lib/python2.7/site-packages/cloudinit/net/sysconfig.py", line
345, in _render_subnets
iface_cfg.name))
ValueError: Unknown subnet type 'static6' found for interface 'ens192'
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