mount: remove boot exception if defaults in opts

changelogs/fragments/365-boot-linux.yml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - mount - Handle ``boot`` option on Linux, NetBSD and OpenBSD correctly (https://github.com/ansible-collections/ansible.posix/issues/364).

plugins/modules/mount.py

@@ -850,11 +850,8 @@ def main():
             args['warnings'].append("Ignore the 'boot' due to 'opts' contains 'noauto'.")
         elif not module.params['boot']:
             args['boot'] = 'no'
-            if 'defaults' in opts:
-                args['warnings'].append("Ignore the 'boot' due to 'opts' contains 'defaults'.")
-            else:
-                opts.append('noauto')
-                args['opts'] = ','.join(opts)
+            opts.append('noauto')
+            args['opts'] = ','.join(opts)
 
     # If fstab file does not exist, we first need to create it. This mainly
     # happens when fstab option is passed to the module.

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

@@ -472,6 +472,25 @@
         path: /tmp/myfs
         state: absent
 
+    - name: Mount the FS with noauto option and defaults
+      ansible.posix.mount:
+        path: /tmp/myfs
+        src: /tmp/myfs.img
+        fstype: ext3
+        state: mounted
+        boot: false
+      register: mount_info
+
+    - name: Assert the mount without noauto was successful
+      ansible.builtin.assert:
+        that:
+          - "'noauto' in mount_info['opts'].split(',')"
+
+    - name: Unmount FS
+      ansible.posix.mount:
+        path: /tmp/myfs
+        state: absent
+
     - name: Remove the test FS
       ansible.builtin.file:
         path: '{{ item }}'