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-rw-r--r--cloudinit/net/cmdline.py23
1 files changed, 15 insertions, 8 deletions
diff --git a/cloudinit/net/cmdline.py b/cloudinit/net/cmdline.py
index 4075a279..cbed908d 100644
--- a/cloudinit/net/cmdline.py
+++ b/cloudinit/net/cmdline.py
@@ -57,7 +57,7 @@ def _load_shell_content(content, add_empty=False, empty_val=None):
def _klibc_to_config_entry(content, mac_addrs=None):
- """Convert a klibc writtent shell content file to a 'config' entry
+ """Convert a klibc written shell content file to a 'config' entry
When ip= is seen on the kernel command line in debian initramfs
and networking is brought up, ipconfig will populate
/run/net-<name>.cfg.
@@ -140,7 +140,7 @@ def _klibc_to_config_entry(content, mac_addrs=None):
def config_from_klibc_net_cfg(files=None, mac_addrs=None):
if files is None:
- files = glob.glob('/run/net*.conf')
+ files = glob.glob('/run/net-*.conf') + glob.glob('/run/net6-*.conf')
entries = []
names = {}
@@ -148,12 +148,19 @@ def config_from_klibc_net_cfg(files=None, mac_addrs=None):
name, entry = _klibc_to_config_entry(util.load_file(cfg_file),
mac_addrs=mac_addrs)
if name in names:
- raise ValueError(
- "device '%s' defined multiple times: %s and %s" % (
- name, names[name], cfg_file))
+ prev = names[name]['entry']
+ if prev.get('mac_address') != entry.get('mac_address'):
+ raise ValueError(
+ "device '%s' was defined multiple times (%s)"
+ " but had differing mac addresses: %s -> %s.",
+ (name, ' '.join(names[name]['files']),
+ prev.get('mac_address'), entry.get('mac_address')))
+ prev['subnets'].extend(entry['subnets'])
+ names[name]['files'].append(cfg_file)
+ else:
+ names[name] = {'files': [cfg_file], 'entry': entry}
+ entries.append(entry)
- names[name] = cfg_file
- entries.append(entry)
return {'config': entries, 'version': 1}
@@ -199,7 +206,7 @@ def read_kernel_cmdline_config(files=None, mac_addrs=None, cmdline=None):
if data64:
return util.load_yaml(_b64dgz(data64))
- if 'ip=' not in cmdline:
+ if 'ip=' not in cmdline and 'ip6=' not in cmdline:
return None
if mac_addrs is None: