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Add Support for --system Option in Sysctl Module #544

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Add Support for --system Option in Sysctl Module #544

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806ff5c
added sysctl_dirs variable and system_wide var
MubashirUsman May 19, 2024
d70d2aa
read sysctl_dir files
MubashirUsman May 19, 2024
505a4aa
system_wide in defining module
MubashirUsman May 19, 2024
7e1b76c
write sysctl reverted
MubashirUsman May 19, 2024
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37 changes: 29 additions & 8 deletions plugins/modules/sysctl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,7 @@
import platform
import re
import tempfile
import glob

from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.six import string_types
Expand All @@ -114,12 +115,24 @@ class SysctlModule(object):
# success or failure.
LANG_ENV = {'LANG': 'C', 'LC_ALL': 'C', 'LC_MESSAGES': 'C'}

# We define a variable to keep all the directories to be read, equivalent to
# (/sbin/sysctl --system) option
SYSCTL_DIRS = [
'/etc/sysctl.d/*.conf',
'/run/sysctl.d/*.conf',
'/usr/local/lib/sysctl.d/*.conf',
'/usr/lib/sysctl.d/*.conf',
'/lib/sysctl.d/*.conf',
'/etc/sysctl.conf'
]

def __init__(self, module):
self.module = module
self.args = self.module.params

self.sysctl_cmd = self.module.get_bin_path('sysctl', required=True)
self.sysctl_file = self.args['sysctl_file']
self.system_Wide = self.args['system_Wide']

self.proc_value = None # current token value in proc fs
self.file_value = None # current token value in file
Expand Down Expand Up @@ -299,15 +312,22 @@ def reload_sysctl(self):
# https://github.com/ansible/ansible/issues/58158
return
else:
# system supports reloading via the -p flag to sysctl, so we'll use that
sysctl_args = [self.sysctl_cmd, '-p', self.sysctl_file]
if self.args['ignoreerrors']:
sysctl_args.insert(1, '-e')
if self.system_Wide:
for sysctl_file in self.SYSCTL_DIRS:
for conf_file in glob.glob(sysctl_file):
rc, out, err = self.module.run_command([self.sysctl_cmd, '-p', conf_file], environ_update=self.LANG_ENV)
if rc != 0 or self._stderr_failed(err):
self.module.fail_json(msg="Failed to reload sysctl: %s" % to_native(out) + to_native(err))
else:
# system supports reloading via the -p flag to sysctl, so we'll use that
sysctl_args = [self.sysctl_cmd, '-p', self.sysctl_file]
if self.args['ignoreerrors']:
sysctl_args.insert(1, '-e')

rc, out, err = self.module.run_command(sysctl_args, environ_update=self.LANG_ENV)
rc, out, err = self.module.run_command(sysctl_args, environ_update=self.LANG_ENV)

if rc != 0 or self._stderr_failed(err):
self.module.fail_json(msg="Failed to reload sysctl: %s" % to_native(out) + to_native(err))
if rc != 0 or self._stderr_failed(err):
self.module.fail_json(msg="Failed to reload sysctl: %s" % to_native(out) + to_native(err))

# ==============================================================
# SYSCTL FILE MANAGEMENT
Expand Down Expand Up @@ -394,7 +414,8 @@ def main():
reload=dict(default=True, type='bool'),
sysctl_set=dict(default=False, type='bool'),
ignoreerrors=dict(default=False, type='bool'),
sysctl_file=dict(default='/etc/sysctl.conf', type='path')
sysctl_file=dict(default='/etc/sysctl.conf', type='path'),
system_wide=dict(default=False, type='bool'), # system_wide parameter
),
supports_check_mode=True,
required_if=[('state', 'present', ['value'])],
Expand Down
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