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authorJoshua Harlow <harlowja@yahoo-inc.com>2014-01-22 12:04:39 -0800
committerJoshua Harlow <harlowja@yahoo-inc.com>2014-01-22 12:04:39 -0800
commit31ece5e92797bf20141878de5dd7cd91559cb336 (patch)
tree3d3d96b0ce04a69e89174cf6f505464c3aa15dfd /cloudinit
parente26ac6b63072f3217de2fc9214584e61682cd211 (diff)
downloadvyos-cloud-init-31ece5e92797bf20141878de5dd7cd91559cb336.tar.gz
vyos-cloud-init-31ece5e92797bf20141878de5dd7cd91559cb336.zip
Split net-parsing into own module
The ubuntu/debian networking file parsing function really is more generic than just a rhel utility function and can be used by others that want to use this functionality for there own purposes (say in writing down a freebsd network format instead) so moving this to its own module to encourage its usage outside of rhel.
Diffstat (limited to 'cloudinit')
-rw-r--r--cloudinit/distros/net_util.py110
-rw-r--r--cloudinit/distros/rhel.py4
-rw-r--r--cloudinit/distros/rhel_util.py88
-rw-r--r--cloudinit/distros/sles.py4
4 files changed, 116 insertions, 90 deletions
diff --git a/cloudinit/distros/net_util.py b/cloudinit/distros/net_util.py
new file mode 100644
index 00000000..4c9095be
--- /dev/null
+++ b/cloudinit/distros/net_util.py
@@ -0,0 +1,110 @@
+# vi: ts=4 expandtab
+#
+# Copyright (C) 2012 Canonical Ltd.
+# Copyright (C) 2012, 2013 Hewlett-Packard Development Company, L.P.
+# Copyright (C) 2012 Yahoo! Inc.
+#
+# Author: Scott Moser <scott.moser@canonical.com>
+# Author: Juerg Haefliger <juerg.haefliger@hp.com>
+# Author: Joshua Harlow <harlowja@yahoo-inc.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3, as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+# This is a util function to translate debian based distro interface blobs as
+# given in /etc/network/interfaces to an *somewhat* agnostic format for
+# distributions that use other formats.
+#
+# TODO(harlowja) remove when we have python-netcf active...
+def translate_network(settings):
+ # Get the standard cmd, args from the ubuntu format
+ entries = []
+ for line in settings.splitlines():
+ line = line.strip()
+ if not line or line.startswith("#"):
+ continue
+ split_up = line.split(None, 1)
+ if len(split_up) <= 1:
+ continue
+ entries.append(split_up)
+ # Figure out where each iface section is
+ ifaces = []
+ consume = {}
+ for (cmd, args) in entries:
+ if cmd == 'iface':
+ if consume:
+ ifaces.append(consume)
+ consume = {}
+ consume[cmd] = args
+ else:
+ consume[cmd] = args
+ # Check if anything left over to consume
+ absorb = False
+ for (cmd, args) in consume.iteritems():
+ if cmd == 'iface':
+ absorb = True
+ if absorb:
+ ifaces.append(consume)
+ # Now translate
+ real_ifaces = {}
+ for info in ifaces:
+ if 'iface' not in info:
+ continue
+ iface_details = info['iface'].split(None)
+ dev_name = None
+ if len(iface_details) >= 1:
+ dev = iface_details[0].strip().lower()
+ if dev:
+ dev_name = dev
+ if not dev_name:
+ continue
+ iface_info = {}
+ if len(iface_details) >= 3:
+ proto_type = iface_details[2].strip().lower()
+ # Seems like this can be 'loopback' which we don't
+ # really care about
+ if proto_type in ['dhcp', 'static']:
+ iface_info['bootproto'] = proto_type
+ # These can just be copied over
+ for k in ['netmask', 'address', 'gateway', 'broadcast']:
+ if k in info:
+ val = info[k].strip().lower()
+ if val:
+ iface_info[k] = val
+ # Name server info provided??
+ if 'dns-nameservers' in info:
+ iface_info['dns-nameservers'] = info['dns-nameservers'].split()
+ # Name server search info provided??
+ if 'dns-search' in info:
+ iface_info['dns-search'] = info['dns-search'].split()
+ # Is any mac address spoofing going on??
+ if 'hwaddress' in info:
+ hw_info = info['hwaddress'].lower().strip()
+ hw_split = hw_info.split(None, 1)
+ if len(hw_split) == 2 and hw_split[0].startswith('ether'):
+ hw_addr = hw_split[1]
+ if hw_addr:
+ iface_info['hwaddress'] = hw_addr
+ real_ifaces[dev_name] = iface_info
+ # Check for those that should be started on boot via 'auto'
+ for (cmd, args) in entries:
+ if cmd == 'auto':
+ # Seems like auto can be like 'auto eth0 eth0:1' so just get the
+ # first part out as the device name
+ args = args.split(None)
+ if not args:
+ continue
+ dev_name = args[0].strip().lower()
+ if dev_name in real_ifaces:
+ real_ifaces[dev_name]['auto'] = True
+ return real_ifaces
diff --git a/cloudinit/distros/rhel.py b/cloudinit/distros/rhel.py
index 30195384..6087929e 100644
--- a/cloudinit/distros/rhel.py
+++ b/cloudinit/distros/rhel.py
@@ -25,7 +25,9 @@ from cloudinit import helpers
from cloudinit import log as logging
from cloudinit import util
+from cloudinit.distros import net_util
from cloudinit.distros import rhel_util
+
from cloudinit.settings import PER_INSTANCE
LOG = logging.getLogger(__name__)
@@ -63,7 +65,7 @@ class Distro(distros.Distro):
def _write_network(self, settings):
# TODO(harlowja) fix this... since this is the ubuntu format
- entries = rhel_util.translate_network(settings)
+ entries = net_util.translate_network(settings)
LOG.debug("Translated ubuntu style network settings %s into %s",
settings, entries)
# Make the intermediate format as the rhel format...
diff --git a/cloudinit/distros/rhel_util.py b/cloudinit/distros/rhel_util.py
index 1aba58b8..063d536e 100644
--- a/cloudinit/distros/rhel_util.py
+++ b/cloudinit/distros/rhel_util.py
@@ -30,94 +30,6 @@ from cloudinit import util
LOG = logging.getLogger(__name__)
-# This is a util function to translate Debian based distro interface blobs as
-# given in /etc/network/interfaces to an equivalent format for distributions
-# that use ifcfg-* style (Red Hat and SUSE).
-# TODO(harlowja) remove when we have python-netcf active...
-def translate_network(settings):
- # Get the standard cmd, args from the ubuntu format
- entries = []
- for line in settings.splitlines():
- line = line.strip()
- if not line or line.startswith("#"):
- continue
- split_up = line.split(None, 1)
- if len(split_up) <= 1:
- continue
- entries.append(split_up)
- # Figure out where each iface section is
- ifaces = []
- consume = {}
- for (cmd, args) in entries:
- if cmd == 'iface':
- if consume:
- ifaces.append(consume)
- consume = {}
- consume[cmd] = args
- else:
- consume[cmd] = args
- # Check if anything left over to consume
- absorb = False
- for (cmd, args) in consume.iteritems():
- if cmd == 'iface':
- absorb = True
- if absorb:
- ifaces.append(consume)
- # Now translate
- real_ifaces = {}
- for info in ifaces:
- if 'iface' not in info:
- continue
- iface_details = info['iface'].split(None)
- dev_name = None
- if len(iface_details) >= 1:
- dev = iface_details[0].strip().lower()
- if dev:
- dev_name = dev
- if not dev_name:
- continue
- iface_info = {}
- if len(iface_details) >= 3:
- proto_type = iface_details[2].strip().lower()
- # Seems like this can be 'loopback' which we don't
- # really care about
- if proto_type in ['dhcp', 'static']:
- iface_info['bootproto'] = proto_type
- # These can just be copied over
- for k in ['netmask', 'address', 'gateway', 'broadcast']:
- if k in info:
- val = info[k].strip().lower()
- if val:
- iface_info[k] = val
- # Name server info provided??
- if 'dns-nameservers' in info:
- iface_info['dns-nameservers'] = info['dns-nameservers'].split()
- # Name server search info provided??
- if 'dns-search' in info:
- iface_info['dns-search'] = info['dns-search'].split()
- # Is any mac address spoofing going on??
- if 'hwaddress' in info:
- hw_info = info['hwaddress'].lower().strip()
- hw_split = hw_info.split(None, 1)
- if len(hw_split) == 2 and hw_split[0].startswith('ether'):
- hw_addr = hw_split[1]
- if hw_addr:
- iface_info['hwaddress'] = hw_addr
- real_ifaces[dev_name] = iface_info
- # Check for those that should be started on boot via 'auto'
- for (cmd, args) in entries:
- if cmd == 'auto':
- # Seems like auto can be like 'auto eth0 eth0:1' so just get the
- # first part out as the device name
- args = args.split(None)
- if not args:
- continue
- dev_name = args[0].strip().lower()
- if dev_name in real_ifaces:
- real_ifaces[dev_name]['auto'] = True
- return real_ifaces
-
-
# Helper function to update a RHEL/SUSE /etc/sysconfig/* file
def update_sysconfig_file(fn, adjustments, allow_empty=False):
if not adjustments:
diff --git a/cloudinit/distros/sles.py b/cloudinit/distros/sles.py
index f2ac4efc..239e51b5 100644
--- a/cloudinit/distros/sles.py
+++ b/cloudinit/distros/sles.py
@@ -26,7 +26,9 @@ from cloudinit import helpers
from cloudinit import log as logging
from cloudinit import util
+from cloudinit.distros import net_util
from cloudinit.distros import rhel_util
+
from cloudinit.settings import PER_INSTANCE
LOG = logging.getLogger(__name__)
@@ -54,7 +56,7 @@ class Distro(distros.Distro):
def _write_network(self, settings):
# Convert debian settings to ifcfg format
- entries = rhel_util.translate_network(settings)
+ entries = net_util.translate_network(settings)
LOG.debug("Translated ubuntu style network settings %s into %s",
settings, entries)
# Make the intermediate format as the suse format...