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Name	Size	Permission	Date
parsers	[ DIR ]	drwxr-xr-x	2022-10-24 22:54
__init__.py	29.29 KB	-rw-r--r--	2022-10-18 11:03
__init__.pyc	25.05 KB	-rw-r--r--	2022-10-18 11:04
__init__.pyo	25.05 KB	-rw-r--r--	2022-10-18 11:04
amazon.py	689 B	-rw-r--r--	2019-12-18 16:14
amazon.pyc	709 B	-rw-r--r--	2022-10-18 11:04
amazon.pyo	709 B	-rw-r--r--	2022-10-18 11:04
arch.py	7.5 KB	-rw-r--r--	2019-12-18 16:14
arch.pyc	8.79 KB	-rw-r--r--	2022-10-18 11:04
arch.pyo	8.79 KB	-rw-r--r--	2022-10-18 11:04
centos.py	245 B	-rw-r--r--	2019-12-18 16:14
centos.pyc	522 B	-rw-r--r--	2022-10-18 11:04
centos.pyo	522 B	-rw-r--r--	2022-10-18 11:04
cloudlinux.py	151 B	-rw-r--r--	2022-10-18 11:03
cloudlinux.pyc	424 B	-rw-r--r--	2022-10-18 11:04
cloudlinux.pyo	424 B	-rw-r--r--	2022-10-18 11:04
debian.py	9.88 KB	-rw-r--r--	2019-12-18 16:14
debian.pyc	10.56 KB	-rw-r--r--	2022-10-18 11:04
debian.pyo	10.56 KB	-rw-r--r--	2022-10-18 11:04
fedora.py	532 B	-rw-r--r--	2019-12-18 16:14
fedora.pyc	522 B	-rw-r--r--	2022-10-18 11:04
fedora.pyo	522 B	-rw-r--r--	2022-10-18 11:04
freebsd.py	22.87 KB	-rw-r--r--	2019-12-18 16:14
freebsd.pyc	21.37 KB	-rw-r--r--	2022-10-18 11:04
freebsd.pyo	21.37 KB	-rw-r--r--	2022-10-18 11:04
gentoo.py	8.03 KB	-rw-r--r--	2019-12-18 16:14
gentoo.pyc	8.09 KB	-rw-r--r--	2022-10-18 11:04
gentoo.pyo	8.09 KB	-rw-r--r--	2022-10-18 11:04
net_util.py	6.48 KB	-rw-r--r--	2019-12-18 16:14
net_util.pyc	2.46 KB	-rw-r--r--	2022-10-18 11:04
net_util.pyo	2.46 KB	-rw-r--r--	2022-10-18 11:04
opensuse.py	7.18 KB	-rw-r--r--	2019-12-18 16:14
opensuse.pyc	6.85 KB	-rw-r--r--	2022-10-18 11:04
opensuse.pyo	6.85 KB	-rw-r--r--	2022-10-18 11:04
rhel.py	6.53 KB	-rw-r--r--	2019-12-18 16:14
rhel.pyc	6.02 KB	-rw-r--r--	2022-10-18 11:04
rhel.pyo	6.02 KB	-rw-r--r--	2022-10-18 11:04
rhel_util.py	2.33 KB	-rw-r--r--	2019-12-18 16:14
rhel_util.pyc	2.23 KB	-rw-r--r--	2022-10-18 11:04
rhel_util.pyo	2.23 KB	-rw-r--r--	2022-10-18 11:04
sles.py	342 B	-rw-r--r--	2019-12-18 16:14
sles.pyc	522 B	-rw-r--r--	2022-10-18 11:04
sles.pyo	522 B	-rw-r--r--	2022-10-18 11:04
ubuntu.py	1.9 KB	-rw-r--r--	2019-12-18 16:14
ubuntu.pyc	1.73 KB	-rw-r--r--	2022-10-18 11:04
ubuntu.pyo	1.73 KB	-rw-r--r--	2022-10-18 11:04
ug_util.py	10.95 KB	-rw-r--r--	2019-12-18 16:14
ug_util.pyc	5.15 KB	-rw-r--r--	2022-10-18 11:04
ug_util.pyo	5.15 KB	-rw-r--r--	2022-10-18 11:04

Rename

# 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 file is part of cloud-init. See LICENSE file for license information.

# 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...
#
# The format is the following:
# {
#    <device-name>: {
#        # All optional (if not existent in original format)
#        "netmask": <ip>,
#        "broadcast": <ip>,
#        "gateway": <ip>,
#        "address": <ip>,
#        "bootproto": "static"|"dhcp",
#        "dns-search": <hostname>,
#        "hwaddress": <mac-address>,
#        "auto": True (or non-existent),
#        "dns-nameservers": [<ip/hostname>, ...],
#    }
# }
#
# Things to note, comments are removed, if a ubuntu/debian interface is
# marked as auto then only then first segment (?) is retained, ie
# 'auto eth0 eth0:1' just marks eth0 as auto (not eth0:1).
#
# Example input:
#
# auto lo
# iface lo inet loopback
#
# auto eth0
# iface eth0 inet static
#         address 10.0.0.1
#         netmask 255.255.252.0
#         broadcast 10.0.0.255
#         gateway 10.0.0.2
#         dns-nameservers 98.0.0.1 98.0.0.2
#
# Example output:
# {
#     "lo": {
#         "auto": true
#     },
#     "eth0": {
#         "auto": true,
#         "dns-nameservers": [
#             "98.0.0.1",
#             "98.0.0.2"
#         ],
#         "broadcast": "10.0.0.255",
#         "netmask": "255.255.252.0",
#         "bootproto": "static",
#         "address": "10.0.0.1",
#         "gateway": "10.0.0.2"
#     }
# }

from cloudinit.net.network_state import (
    net_prefix_to_ipv4_mask, mask_and_ipv4_to_bcast_addr)

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.items():
        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)
        # Check if current device *may* have an ipv6 IP
        use_ipv6 = False
        if 'inet6' in iface_details:
            use_ipv6 = True
        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 = {}
        iface_info['ipv6'] = {}
        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
        if use_ipv6:
            for k in ['address', 'gateway']:
                if k in info:
                    val = info[k].strip().lower()
                    if val:
                        iface_info['ipv6'][k] = val
        else:
            for k in ['netmask', 'address', 'gateway', 'broadcast']:
                if k in info:
                    val = info[k].strip().lower()
                    if val:
                        iface_info[k] = val
            # handle static ip configurations using
            # ipaddress/prefix-length format
            if 'address' in iface_info:
                if 'netmask' not in iface_info:
                    # check if the address has a network prefix
                    addr, _, prefix = iface_info['address'].partition('/')
                    if prefix:
                        iface_info['netmask'] = (
                            net_prefix_to_ipv4_mask(prefix))
                        iface_info['address'] = addr
                        # if we set the netmask, we also can set the broadcast
                        iface_info['broadcast'] = (
                            mask_and_ipv4_to_bcast_addr(
                                iface_info['netmask'], addr))

# 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
        # If ipv6 is enabled, device will have multiple IPs, so we need to
        # update the dictionary instead of overwriting it...
        if dev_name in real_ifaces:
            real_ifaces[dev_name].update(iface_info)
        else:
            real_ifaces[dev_name] = iface_info
    # Check for those that should be started on boot via 'auto'
    for (cmd, args) in entries:
        args = args.split(None)
        if not args:
            continue
        dev_name = args[0].strip().lower()
        if cmd == 'auto':
            # Seems like auto can be like 'auto eth0 eth0:1' so just get the
            # first part out as the device name
            if dev_name in real_ifaces:
                real_ifaces[dev_name]['auto'] = True
        if cmd == 'iface' and 'inet6' in args:
            real_ifaces[dev_name]['inet6'] = True
    return real_ifaces

# vi: ts=4 expandtab