Do not run stage-output again in Tempest

stage-output is already invoked in the devstack job.
Rather than running the role again in Tempest post, extend the
list of files to be staged and extensions to be converted to txt.

Change-Id: I0844700f1c770809cba5a2e0e39737fd6827896f
Depends-on: https://review.openstack.org/540485/

.zuul.yaml

@@ -10,6 +10,19 @@
     vars:
       devstack_services:
         tempest: true
+      test_results_stage_name: 'test_results'
+      zuul_copy_output:
+        '{{ devstack_base_dir }}/tempest/etc/tempest.conf': 'logs'
+        '{{ devstack_base_dir }}/tempest/etc/accounts.yaml': 'logs'
+        '{{ devstack_base_dir }}/tempest/tempest.log': 'logs'
+        '{{ stage_dir }}/{{ test_results_stage_name }}.subunit': 'logs'
+        '{{ stage_dir }}/{{ test_results_stage_name }}.html': 'logs'
+        '{{ stage_dir }}/stackviz': 'logs'
+      extensions_to_txt:
+        conf: True
+        log: True
+        yaml: True
+        yml: True
     run: playbooks/devstack-tempest.yaml
     post-run: playbooks/post-tempest.yaml
 

playbooks/post-tempest.yaml

@@ -1,23 +1,7 @@
 - hosts: all
   become: true
-  vars:
-    logs_root: "{{ devstack_base_dir|default('/opt/stack') }}"
-    test_results_stage_name: 'test_results'
   roles:
     - role: process-test-results
-      test_results_dir: '{{ logs_root }}/tempest'
+      test_results_dir: '{{ devstack_base_dir }}/tempest'
       tox_envdir: tempest
     - role: process-stackviz
-    - role: stage-output
-      zuul_copy_output:
-        { '{{ logs_root }}/tempest/etc/tempest.conf': 'logs',
-          '{{ logs_root }}/tempest/etc/accounts.yaml': 'logs',
-          '{{ logs_root }}/tempest/tempest.log': 'logs',
-          '{{ stage_dir }}/{{ test_results_stage_name }}.subunit': 'logs',
-          '{{ stage_dir }}/{{ test_results_stage_name }}.html': 'logs',
-          '{{ stage_dir }}/stackviz': 'logs' }
-      extensions_to_txt:
-        - conf
-        - log
-        - yaml
-        - yml