Add Support for --system Option in Sysctl Module

plugins/modules/sysctl.py

@@ -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
@@ -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
@@ -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
@@ -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'])],

tests/integration/targets/sysctl/tasks/main.yml

@@ -229,6 +229,40 @@
       ansible.builtin.assert:
         that:
           - sysctl_test4 is failed
+
+      ##
+      ## sysctl --system
+      ##
+
+    - name: Set vm.swappiness to 10 with --system option
+      ansible.posix.sysctl:
+        name: vm.swappiness
+        value: 10
+        state: present
+        reload: false
+        sysctl_set: true
+        system: true
+      register: sysctl_system_test1
+
+    - name: Check with sysctl command
+      ansible.builtin.command: sysctl vm.swappiness
+      changed_when: false
+      register: sysctl_check_system1
+
+    - name: Debug sysctl_system_test1 sysctl_check_system1
+      ansible.builtin.debug:
+        var: item
+        verbosity: 1
+      with_items:
+        - "{{ sysctl_system_test1 }}"
+        - "{{ sysctl_check_system1 }}"
+
+    - name: Validate results for --system option
+      ansible.builtin.assert:
+        that:
+          - sysctl_system_test1 is changed
+          - sysctl_check_system1.stdout_lines == ["vm.swappiness = 10"]
+
 
 - name: Test on RHEL VMs
   when:
@@ -366,3 +400,33 @@
         that:
           - stat_result.stat.islnk is defined and stat_result.stat.islnk
           - stat_result.stat.lnk_source == '/tmp/ansible_sysctl_test.conf'
+
+    # Test sysctl: --system
+    - name: Set vm.swappiness to 10 with --system option
+      ansible.posix.sysctl:
+        name: vm.swappiness
+        value: 10
+        state: present
+        reload: false
+        sysctl_set: true
+        system: true
+      register: sysctl_system_test1
+
+    - name: Check with sysctl command
+      ansible.builtin.command: sysctl vm.swappiness
+      changed_when: false
+      register: sysctl_check_system1
+
+    - name: Debug sysctl_system_test1 sysctl_check_system1
+      ansible.builtin.debug:
+        var: item
+        verbosity: 1
+      with_items:
+        - "{{ sysctl_system_test1 }}"
+        - "{{ sysctl_check_system1 }}"
+
+    - name: Validate results for --system option
+      ansible.builtin.assert:
+        that:
+          - sysctl_system_test1 is changed
+          - sysctl_check_system1.stdout_lines == ["vm.swappiness = 10"]