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-rw-r--r--cloudinit/net/__init__.py20
1 files changed, 5 insertions, 15 deletions
diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py
index b45153f4..63fad2fa 100644
--- a/cloudinit/net/__init__.py
+++ b/cloudinit/net/__init__.py
@@ -448,11 +448,7 @@ def generate_fallback_config():
"""Determine which attached net dev is most likely to have a connection and
generate network state to run dhcp on that interface"""
# by default use eth0 as primary interface
- nconf = {'config': {'interfaces': {},
- 'dns': {'search': [], 'nameservers': []}, 'routes': []
- },
- 'version': 1
- }
+ nconf = {'config': [], 'version': 1}
# get list of interfaces that could have connections
invalid_interfaces = set(['lo'])
@@ -506,21 +502,15 @@ def generate_fallback_config():
if DEFAULT_PRIMARY_INTERFACE in potential_interfaces:
name = DEFAULT_PRIMARY_INTERFACE
else:
- potential_interfaces.sort(
- key=lambda x: int(''.join(i for i in x if i in string.digits)))
- name = potential_interfaces[0]
+ name = sorted(potential_interfaces)[0]
sysfs_mac = os.path.join(SYS_CLASS_NET, name, 'address')
mac = util.load_file(sysfs_mac).strip()
target_name = name
- # generate net config for interface
- nconf['config']['interfaces'][target_name] = {
- 'mac_address': mac, 'name': target_name, 'type': 'physical',
- 'mode': 'manual', 'inet': 'inet',
- 'subnets': [{'type': 'dhcp4'}, {'type': 'dhcp6'}]
- }
-
+ nconf['config'].append(
+ {'type': 'physical', 'name': target_name,
+ 'mac_address': mac, 'subnets': [{'type': 'dhcp4'}]})
return nconf