Fix issue where interfaces could not be added to a zone when firewalld is offline. Resolves issue #357.

tests/integration/targets/firewalld/tasks/interface_test_cases.yml

@@ -0,0 +1,87 @@
+# Test playbook for the firewalld module - interface operations
+# (c) 2022, Gregory Furlong <gnfzdz@fzdz.io>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+- name: Validate adding interface
+  block:
+  - name: Add lo interface to trusted zone
+    ansible.posix.firewalld:
+      interface: lo
+      zone: trusted
+      permanent: Yes
+      state: enabled
+    register: result
+
+  - name: assert lo was added to trusted zone
+    assert:
+      that:
+      - result is changed
+
+  - name: Add lo interface to trusted zone (verify not changed)
+    ansible.posix.firewalld:
+      interface: lo
+      zone: trusted
+      permanent: Yes
+      state: enabled
+    register: result
+
+  - name: assert lo was added to trusted zone (verify not changed)
+    assert:
+      that:
+      - result is not changed
+
+- name: Validate moving interfaces
+  block:
+  - name: Move lo interface from trusted zone to internal zone
+    ansible.posix.firewalld:
+      interface: lo
+      zone: internal
+      permanent: Yes
+      state: enabled
+    register: result
+
+  - name: Assert lo was moved from trusted zone to internal zone
+    assert:
+      that:
+      - result is changed
+
+  - name: Move lo interface from trusted zone to internal zone (verify not changed)
+    ansible.posix.firewalld:
+      interface: lo
+      zone: internal
+      permanent: Yes
+      state: enabled
+    register: result
+
+  - name: assert lo was moved from trusted zone to internal zone (verify not changed)
+    assert:
+      that:
+      - result is not changed
+
+- name: Validate removing interface
+  block:
+  - name: Remove lo interface from internal zone
+    ansible.posix.firewalld:
+      interface: lo
+      zone: internal
+      permanent: Yes
+      state: disabled
+    register: result
+
+  - name: Assert lo interface was removed from internal zone
+    assert:
+      that:
+      - result is changed
+
+  - name: Remove lo interface from internal zone (verify not changed)
+    ansible.posix.firewalld:
+      interface: lo
+      zone: internal
+      permanent: Yes
+      state: disabled
+    register: result
+
+  - name: Assert lo interface was removed from internal zone (verify not changed)
+    assert:
+      that:
+      - result is not changed

tests/integration/targets/firewalld/tasks/run_all_tests.yml

@@ -21,3 +21,6 @@
 
 # firewalld port forwarding operation test cases
 - include_tasks: port_forward_test_cases.yml
+
+# firewalld interface operation test cases
+- include_tasks: interface_test_cases.yml