Small fixes to image sanity check

Run Image sanity check only when overcloud build images exists
otherwise ignore it.

It also fixes the hardcoded workspace path in image sanity check
playbook to image build workspace.

Also collects the virt_customize.log in ansible user dir.

Change-Id: I7963bb7c2831cfb1c1d6e9d4a19c0eae66cd8311
Closes-Bug: #1881090
Signed-off-by: Bhagyashri Shewale <bshewale@redhat.com>

roles/oooci-build-images/tasks/image_sanity.yaml

@@ -21,10 +21,11 @@
 
 - name: Run sanity command on overcloud images
   shell: |
-    virt-customize -vx --smp 2 -m 2048 -a overcloud-full.qcow2 --selinux-relabel --run-command '{{ image_sanity_command }}' > virt_customize.log
-    virt-copy-out -a overcloud-full.qcow2 {{  image_sanity_files | join(' ') }} {{ ansible_user_dir }}/workspace
+    virt-customize -vx --smp 2 -m 2048 -a overcloud-full.qcow2 --selinux-relabel \
+      --run-command '{{ image_sanity_command }}' > {{ ansible_user_dir }}/virt_customize.log
+    virt-copy-out -a overcloud-full.qcow2 {{  image_sanity_files | join(' ') }} {{ workspace }}
   args:
-    chdir: "{{ ansible_user_dir }}/workspace"
+    chdir: "{{ workspace }}"
   environment:
     LIBGUESTFS_BACKEND_SETTINGS: force_tcg
     LIBGUESTFS_BACKEND: direct
@@ -34,7 +35,7 @@
   shell: |
     grep {{ item }} rpm_va.txt
   args:
-    chdir: "{{ ansible_user_dir }}/workspace"
+    chdir: "{{ workspace }}"
   register: files_missing
   changed_when: false
   ignore_errors: True

roles/oooci-build-images/tasks/main.yaml

@@ -111,3 +111,4 @@
   when:
     - tripleo_image_type is search("overcloud-full")
     - image_sanity | bool
+    - overcloud_stat_result.stat.exists|bool