Current Dir: /snap/core22/2955/usr/lib/python3/dist-packages/cloudinit/config/
[DIR] schemas [ delete | rename ]
[DIR] __pycache__ [ delete | rename ]
[FILE] cc_ansible.py [ edit | delete | rename ]
[FILE] cc_apk_configure.py [ edit | delete | rename ]
[FILE] cc_apt_configure.py [ edit | delete | rename ]
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[FILE] cc_ntp.py [ edit | delete | rename ]
[FILE] cc_package_update_upgrade_install.py [ edit | delete | rename ]
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[FILE] schema.py [ edit | delete | rename ]
[FILE] __init__.py [ edit | delete | rename ]
Viewing: /snap/core22/2955/usr/lib/python3/dist-packages/cloudinit/config/cc_package_update_upgrade_install.py
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Joshua Harlow <harlowja@yahoo-inc.com>
#
# This file is part of cloud-init. See LICENSE file for license information.
"""Package Update Upgrade Install: update, upgrade, and install packages"""
import logging
import os
import time
from cloudinit import subp, util
from cloudinit.cloud import Cloud
from cloudinit.config import Config
from cloudinit.config.schema import MetaSchema
from cloudinit.distros import ALL_DISTROS
from cloudinit.log.loggers import flush_loggers
from cloudinit.settings import PER_INSTANCE
REBOOT_FILES = ("/var/run/reboot-required", "/run/reboot-needed")
REBOOT_CMD = ["/sbin/reboot"]
meta: MetaSchema = {
"id": "cc_package_update_upgrade_install",
"distros": [ALL_DISTROS],
"frequency": PER_INSTANCE,
"activate_by_schema_keys": [
"apt_update",
"package_update",
"apt_upgrade",
"package_upgrade",
"packages",
],
}
LOG = logging.getLogger(__name__)
def _multi_cfg_bool_get(cfg, *keys):
for k in keys:
if util.get_cfg_option_bool(cfg, k, False):
return True
return False
def _fire_reboot(
wait_attempts: int = 6, initial_sleep: int = 1, backoff: int = 2
):
"""Run a reboot command and panic if it doesn't happen fast enough."""
subp.subp(REBOOT_CMD)
start = time.monotonic()
wait_time = initial_sleep
for _i in range(wait_attempts):
time.sleep(wait_time)
wait_time *= backoff
elapsed = time.monotonic() - start
LOG.debug("Rebooted, but still running after %s seconds", int(elapsed))
# If we got here, not good
elapsed = time.monotonic() - start
raise RuntimeError(
"Reboot did not happen after %s seconds!" % (int(elapsed))
)
def handle(name: str, cfg: Config, cloud: Cloud, args: list) -> None:
# Handle the old style + new config names
update = _multi_cfg_bool_get(cfg, "apt_update", "package_update")
upgrade = _multi_cfg_bool_get(cfg, "package_upgrade", "apt_upgrade")
reboot_if_required = _multi_cfg_bool_get(
cfg, "apt_reboot_if_required", "package_reboot_if_required"
)
pkglist = util.get_cfg_option_list(cfg, "packages", [])
errors = []
if update or upgrade:
try:
cloud.distro.update_package_sources()
except Exception as e:
util.logexc(LOG, "Package update failed")
errors.append(e)
if upgrade:
try:
cloud.distro.package_command("upgrade")
except Exception as e:
util.logexc(LOG, "Package upgrade failed")
errors.append(e)
if len(pkglist):
try:
cloud.distro.install_packages(pkglist)
except Exception as e:
util.logexc(
LOG, "Failure when attempting to install packages: %s", pkglist
)
errors.append(e)
# TODO(smoser): handle this less violently
# kernel and openssl (possibly some other packages)
# write a file /var/run/reboot-required after upgrading.
# if that file exists and configured, then just stop right now and reboot
for reboot_marker in REBOOT_FILES:
reboot_fn_exists = os.path.isfile(reboot_marker)
if reboot_fn_exists:
break
if (upgrade or pkglist) and reboot_if_required and reboot_fn_exists:
try:
LOG.info(
"***WARNING*** Rebooting after upgrade or install per %s",
reboot_marker,
)
# Flush the above warning + anything else out...
flush_loggers(LOG)
_fire_reboot()
except Exception as e:
util.logexc(LOG, "Requested reboot did not happen!")
errors.append(e)
if len(errors):
LOG.warning(
"%s failed with exceptions, re-raising the last one", len(errors)
)
raise errors[-1]