FM / cloudinit

/snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/

/snap/core18/2979/usr/lib/python3/dist-packages/cloudinit

Name	Size	Mode	Actions
analyze/	-	0755	rm
cmd/	-	0755	rm
config/	-	0755	rm
distros/	-	0755	rm
filters/	-	0755	rm
handlers/	-	0755	rm
mergers/	-	0755	rm
net/	-	0755	rm
reporting/	-	0755	rm
sources/	-	0755	rm
__pycache__/	-	0755	rm
apport.py	5881	0644	edit dl rm
atomic_helper.py	1417	0644	edit dl rm
cloud.py	3574	0644	edit dl rm
dhclient_hook.py	2549	0644	edit dl rm
dmi.py	6979	0644	edit dl rm
event.py	2097	0644	edit dl rm
features.py	3146	0644	edit dl rm
gpg.py	4424	0644	edit dl rm
helpers.py	16828	0644	edit dl rm
importer.py	1789	0644	edit dl rm
log.py	4432	0644	edit dl rm
netinfo.py	23115	0644	edit dl rm
patcher.py	1130	0644	edit dl rm
persistence.py	2605	0644	edit dl rm
registry.py	1045	0644	edit dl rm
safeyaml.py	7905	0644	edit dl rm
settings.py	2041	0644	edit dl rm
signal_handler.py	1826	0644	edit dl rm
simpletable.py	1976	0644	edit dl rm
ssh_util.py	21211	0644	edit dl rm
stages.py	35311	0644	edit dl rm
subp.py	13558	0644	edit dl rm
templater.py	5965	0644	edit dl rm
temp_utils.py	3268	0644	edit dl rm
type_utils.py	726	0644	edit dl rm
url_helper.py	28628	0644	edit dl rm
user_data.py	14841	0644	edit dl rm
util.py	92622	0644	edit dl rm
version.py	596	0644	edit dl rm
warnings.py	3932	0644	edit dl rm
__init__.py	0	0644	edit dl rm

Edit: /snap/core18/2979/usr/lib/python3/dist-packages/cloudinit/dhclient_hook.py (2549B)

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

"""Run the dhclient hook to record network info."""

import argparse
import os

from cloudinit import atomic_helper
from cloudinit import log as logging
from cloudinit import stages

LOG = logging.getLogger(__name__)

NAME = "dhclient-hook"
UP = "up"
DOWN = "down"
EVENTS = (UP, DOWN)

def _get_hooks_dir():
    i = stages.Init()
    return os.path.join(i.paths.get_runpath(), "dhclient.hooks")

def _filter_env_vals(info):
    """Given info (os.environ), return a dictionary with
    lower case keys for each entry starting with DHCP4_ or new_."""
    new_info = {}
    for k, v in info.items():
        if k.startswith("DHCP4_") or k.startswith("new_"):
            key = (k.replace("DHCP4_", "").replace("new_", "")).lower()
            new_info[key] = v
    return new_info

def run_hook(interface, event, data_d=None, env=None):
    if event not in EVENTS:
        raise ValueError(
            "Unexpected event '%s'. Expected one of: %s" % (event, EVENTS)
        )
    if data_d is None:
        data_d = _get_hooks_dir()
    if env is None:
        env = os.environ
    hook_file = os.path.join(data_d, interface + ".json")

if event == UP:
        if not os.path.exists(data_d):
            os.makedirs(data_d)
        atomic_helper.write_json(hook_file, _filter_env_vals(env))
        LOG.debug("Wrote dhclient options in %s", hook_file)
    elif event == DOWN:
        if os.path.exists(hook_file):
            os.remove(hook_file)
            LOG.debug("Removed dhclient options file %s", hook_file)

def get_parser(parser=None):
    if parser is None:
        parser = argparse.ArgumentParser(prog=NAME, description=__doc__)
    parser.add_argument(
        "event", help="event taken on the interface", choices=EVENTS
    )
    parser.add_argument(
        "interface", help="the network interface being acted upon"
    )
    # cloud-init main uses 'action'
    parser.set_defaults(action=(NAME, handle_args))
    return parser

def handle_args(name, args, data_d=None):
    """Handle the Namespace args.
    Takes 'name' as passed by cloud-init main. not used here."""
    return run_hook(interface=args.interface, event=args.event, data_d=data_d)

if __name__ == "__main__":
    import sys

parser = get_parser()
    args = parser.parse_args(args=sys.argv[1:])
    return_value = handle_args(
        NAME, args, data_d=os.environ.get("_CI_DHCP_HOOK_DATA_D")
    )
    if return_value:
        sys.exit(return_value)

# vi: ts=4 expandtab

cmd: