Always remove temporary files in volume's integration test

This will ensure proper cleanup when tests fail.

Change-Id: Ia5758ffeab43d92f670d3e159fe4f3747491ec94

ci/roles/volume/tasks/main.yml

@@ -97,60 +97,70 @@
     - ansible_volume1
     - ansible_volume2
 
-- name: Create a test image file
-  shell: mktemp
-  register: tmp_file
+- name: Test images
+  block:
+    - name: Ensure clean environment
+      ansible.builtin.set_fact:
+        tmp_file: !!null
 
-- name: Fill test image file to 1MB
-  shell: truncate -s 1048576 {{ tmp_file.stdout }}
+    - name: Create a test image file
+      ansible.builtin.tempfile:
+      register: tmp_file
 
-- name: Create test image
-  openstack.cloud.image:
-     cloud: "{{ cloud }}"
-     state: present
-     name: "{{ test_volume_image }}"
-     filename: "{{ tmp_file.stdout }}"
-     disk_format: raw
-     tags: "{{ image_tags }}"
-  register: returned_image
+    - name: Fill test image file to 1MB
+      community.general.filesize:
+        path: '{{ tmp_file.path }}'
+        size: 1M
 
-- name: Create volume from image
-  openstack.cloud.volume:
-     cloud: "{{ cloud }}"
-     state: present
-     size: 1
-     image: "{{ test_volume_image }}"
-     name: ansible_volume2
-     description: Test volume
-  register: vol
+    - name: Create test image
+      openstack.cloud.image:
+         cloud: "{{ cloud }}"
+         state: present
+         name: "{{ test_volume_image }}"
+         filename: "{{ tmp_file.path }}"
+         disk_format: raw
+         tags: "{{ image_tags }}"
 
-- name: Delete volume from image
-  openstack.cloud.volume:
-     cloud: "{{ cloud }}"
-     name: ansible_volume2
-     state: absent
-  register: vol
+    - name: Create volume from image
+      openstack.cloud.volume:
+         cloud: "{{ cloud }}"
+         state: present
+         size: 1
+         image: "{{ test_volume_image }}"
+         name: ansible_volume2
+         description: Test volume
 
-- name: Create test shared image
-  openstack.cloud.image:
-     cloud: "{{ cloud }}"
-     state: present
-     name: "{{ image_name }}"
-     filename: "{{ tmp_file.stdout }}"
-     is_public: true
-     disk_format: raw
-     tags: "{{ image_tags }}"
-  register: returned_image
+    - name: Delete volume from image
+      openstack.cloud.volume:
+         cloud: "{{ cloud }}"
+         name: ansible_volume2
+         state: absent
 
-- name: Delete test shared image
-  openstack.cloud.image:
-     cloud: "{{ cloud }}"
-     state: absent
-     name: "{{ image_name }}"
-     filename: "{{ tmp_file.stdout }}"
-     is_public: true
-     disk_format: raw
-     tags: "{{ image_tags }}"
-  register: returned_image
+    - name: Create test shared image
+      openstack.cloud.image:
+         cloud: "{{ cloud }}"
+         state: present
+         name: "{{ image_name }}"
+         filename: "{{ tmp_file.path }}"
+         is_public: true
+         disk_format: raw
+         tags: "{{ image_tags }}"
+
+    - name: Delete test shared image
+      openstack.cloud.image:
+         cloud: "{{ cloud }}"
+         state: absent
+         name: "{{ image_name }}"
+         filename: "{{ tmp_file.path }}"
+         is_public: true
+         disk_format: raw
+         tags: "{{ image_tags }}"
+
+  always:
+    - name: Remove temporary image file
+      ansible.builtin.file:
+        path: "{{ tmp_file.path }}"
+        state: absent
+      when: tmp_file is defined and 'path' in tmp_file
 
 - include_tasks: volume_info.yml