lvg: Add parameter to disable removal of extra physical volumes (#9698)

* Add parameter to disable removal of extra physical volumes

Signed-off-by: Massl123 <Massl123@users.noreply.github.com>

* Set PR number in changelog fragment

Signed-off-by: Massl123 <Massl123@users.noreply.github.com>

* Fix tests

Signed-off-by: Massl123 <Massl123@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

* Add comment in pvs

Signed-off-by: Massl123 <Massl123@users.noreply.github.com>

---------

Signed-off-by: Massl123 <Massl123@users.noreply.github.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

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

@@ -24,6 +24,8 @@
 
     - import_tasks: test_grow_reduce.yml
 
+    - import_tasks: test_remove_extra_pvs.yml
+
     - import_tasks: test_pvresize.yml
 
     - import_tasks: test_active_change.yml

tests/integration/targets/lvg/tasks/test_remove_extra_pvs.yml

@@ -0,0 +1,40 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# test_grow_reduce already checks the base case with default parameters (remove additional PVs)
+
+- name: "Create volume group on first disk"
+  lvg:
+    vg: testvg
+    pvs: "{{ loop_device1 }}"
+
+- name: "get lvm facts"
+  setup:
+
+- debug: var=ansible_lvm
+
+- name: "Assert the testvg span only on first disk"
+  assert:
+    that:
+      - ansible_lvm.pvs[loop_device1].vg == "testvg"
+      - 'loop_device2 not in ansible_lvm.pvs or
+        ansible_lvm.pvs[loop_device2].vg == ""'
+
+- name: "Extend to second disk AND keep first disk"
+  lvg:
+    vg: testvg
+    pvs: "{{ loop_device2 }}"
+    remove_extra_pvs: false
+
+- name: "get lvm facts"
+  setup:
+
+- debug: var=ansible_lvm
+
+- name: "Assert the testvg spans on both disks"
+  assert:
+    that:
+      - ansible_lvm.pvs[loop_device1].vg == "testvg"
+      - ansible_lvm.pvs[loop_device2].vg == "testvg"