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| Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/modules/freebsd_update.py |
"""
Support for freebsd-update utility on FreeBSD.
.. versionadded:: 2017.7.0
:maintainer: George Mamalakis <mamalos@gmail.com>
:maturity: new
:platform: FreeBSD
"""
import logging
import salt.utils.path
from salt.exceptions import CommandNotFoundError
log = logging.getLogger(__name__)
# Define the module's virtual name
__virtualname__ = "freebsd_update"
__virtual_aliases__ = ("freebsd-update",)
def __virtual__():
"""
.. versionadded:: 2016.3.4
Only work on FreeBSD RELEASEs >= 6.2, where freebsd-update was introduced.
"""
if __grains__["os"] != "FreeBSD":
return (
False,
"The freebsd_update execution module cannot be loaded: only available on"
" FreeBSD systems.",
)
if float(__grains__["osrelease"]) < 6.2:
return (
False,
"freebsd_update is only available on FreeBSD versions >= 6.2-RELESE",
)
if "release" not in __grains__["kernelrelease"].lower():
return (False, "freebsd_update is only available on FreeBSD RELEASES")
return __virtualname__
def _cmd(**kwargs):
"""
.. versionadded:: 2016.3.4
Private function that returns the freebsd-update command string to be
executed. It checks if any arguments are given to freebsd-update and appends
them accordingly.
"""
update_cmd = salt.utils.path.which("freebsd-update")
if not update_cmd:
raise CommandNotFoundError('"freebsd-update" command not found')
params = []
if "basedir" in kwargs:
params.append("-b {}".format(kwargs["basedir"]))
if "workdir" in kwargs:
params.append("-d {}".format(kwargs["workdir"]))
if "conffile" in kwargs:
params.append("-f {}".format(kwargs["conffile"]))
if "force" in kwargs:
params.append("-F")
if "key" in kwargs:
params.append("-k {}".format(kwargs["key"]))
if "newrelease" in kwargs:
params.append("-r {}".format(kwargs["newrelease"]))
if "server" in kwargs:
params.append("-s {}".format(kwargs["server"]))
if "address" in kwargs:
params.append("-t {}".format(kwargs["address"]))
if params:
return "{} {}".format(update_cmd, " ".join(params))
return update_cmd
def _wrapper(orig, pre="", post="", err_=None, run_args=None, **kwargs):
"""
Helper function that wraps the execution of freebsd-update command.
orig:
Originating function that called _wrapper().
pre:
String that will be prepended to freebsd-update command.
post:
String that will be appended to freebsd-update command.
err_:
Dictionary on which return codes and stout/stderr are copied.
run_args:
Arguments to be passed on cmd.run_all.
kwargs:
Parameters of freebsd-update command.
"""
ret = "" # the message to be returned
cmd = _cmd(**kwargs)
cmd_str = " ".join([x for x in (pre, cmd, post, orig)])
if run_args and isinstance(run_args, dict):
res = __salt__["cmd.run_all"](cmd_str, **run_args)
else:
res = __salt__["cmd.run_all"](cmd_str)
if isinstance(err_, dict): # copy return values if asked to
for k, v in res.items():
err_[k] = v
if "retcode" in res and res["retcode"] != 0:
msg = " ".join([x for x in (res["stdout"], res["stderr"]) if x])
ret = 'Unable to run "{}" with run_args="{}". Error: {}'.format(
cmd_str, run_args, msg
)
log.error(ret)
else:
try:
ret = res["stdout"]
except KeyError:
log.error(
"cmd.run_all did not return a dictionary with a key named 'stdout'"
)
return ret
def fetch(**kwargs):
"""
.. versionadded:: 2016.3.4
freebsd-update fetch wrapper. Based on the currently installed world and the
configuration options set, fetch all available binary updates.
kwargs:
Parameters of freebsd-update command.
"""
# fetch continues when no controlling terminal is present
pre = ""
post = ""
run_args = {}
if float(__grains__["osrelease"]) >= 10.2:
post += "--not-running-from-cron"
else:
pre += " env PAGER=cat"
run_args["python_shell"] = True
return _wrapper("fetch", pre=pre, post=post, run_args=run_args, **kwargs)
def install(**kwargs):
"""
.. versionadded:: 2016.3.4
freebsd-update install wrapper. Install the most recently fetched updates or
upgrade.
kwargs:
Parameters of freebsd-update command.
"""
return _wrapper("install", **kwargs)
def rollback(**kwargs):
"""
.. versionadded:: 2016.3.4
freebsd-update rollback wrapper. Uninstalls the most recently installed
updates.
kwargs:
Parameters of freebsd-update command.
"""
return _wrapper("rollback", **kwargs)
def update(**kwargs):
"""
.. versionadded:: 2016.3.4
Command that simplifies freebsd-update by running freebsd-update fetch first
and then freebsd-update install.
kwargs:
Parameters of freebsd-update command.
"""
stdout = {}
for mode in ("fetch", "install"):
err_ = {}
ret = _wrapper(mode, err_=err_, **kwargs)
if "retcode" in err_ and err_["retcode"] != 0:
return ret
if "stdout" in err_:
stdout[mode] = err_["stdout"]
return "\n".join([f"{k}: {v}" for (k, v) in stdout.items()])
def ids(**kwargs):
"""
.. versionadded:: 2016.3.4
freebsd-update IDS wrapper function. Compares the system against a "known
good" index of the installed release.
kwargs:
Parameters of freebsd-update command.
"""
return _wrapper("IDS", **kwargs)
def upgrade(**kwargs):
"""
.. versionadded:: 2016.3.4
Dummy function used only to print a message that upgrade is not available.
The reason is that upgrade needs manual intervention and reboot, so even if
used with:
yes | freebsd-upgrade -r VERSION
the additional freebsd-update install that needs to run after the reboot
cannot be implemented easily.
kwargs:
Parameters of freebsd-update command.
"""
msg = "freebsd-update upgrade not yet implemented."
log.warning(msg)
return msg