diff options
| -rw-r--r-- | cloudinit/net/__init__.py | 20 | ||||
| -rw-r--r-- | tests/unittests/test_net.py | 2 |
2 files changed, 18 insertions, 4 deletions
diff --git a/cloudinit/net/__init__.py b/cloudinit/net/__init__.py index e13ca470..7af9b03a 100644 --- a/cloudinit/net/__init__.py +++ b/cloudinit/net/__init__.py @@ -304,6 +304,19 @@ 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 + When ip= is seen on the kernel command line in debian initramfs + and networking is brought up, ipconfig will populate + /run/net-<name>.cfg. + + The files are shell style syntax, and examples are in the tests + provided here. There is no good documentation on this unfortunately. + + DEVICE=<name> is expected/required and PROTO should indicate if + this is 'static' or 'dhcp'. + """ + + if mac_addrs is None: mac_addrs = {} @@ -575,11 +588,12 @@ def is_disabled_cfg(cfg): def sys_netdev_info(name, field): if not os.path.exists(os.path.join(SYS_CLASS_NET, name)): - raise OSError("%s: interface does not exist in /sys" % name) + raise OSError("%s: interface does not exist in %s" % + (name, SYS_CLASS_NET)) fname = os.path.join(SYS_CLASS_NET, name, field) if not os.path.exists(fname): - raise OSError("%s: %s does not exist in /sys" % (name, fname)) + raise OSError("%s: could not find sysfs entry: %s" % (name, fname)) data = util.load_file(fname) if data[-1] == '\n': data = data[:-1] @@ -647,7 +661,7 @@ def generate_fallback_config(): nconf['config'].append( {'type': 'physical', 'name': target_name, - 'mac_address': mac, 'subnets': [{'type': 'dhcp4'}]}) + 'mac_address': mac, 'subnets': [{'type': 'dhcp'}]}) return nconf diff --git a/tests/unittests/test_net.py b/tests/unittests/test_net.py index 16c44588..dfb31710 100644 --- a/tests/unittests/test_net.py +++ b/tests/unittests/test_net.py @@ -70,7 +70,7 @@ class TestNetConfigParsing(TestCase): simple_cfg = { 'config': [{"type": "physical", "name": "eth0", "mac_address": "c0:d6:9f:2c:e8:80", - "subnets": [{"type": "dhcp4"}]}]} + "subnets": [{"type": "dhcp"}]}]} def test_klibc_convert_dhcp(self): found = net._klibc_to_config_entry(DHCP_CONTENT_1) |