Use zuul tox job for running tox

Change-Id: Iff6f173fa7370947f739d0ccb9e94925fc7ee07a

playbooks/infrared/run.yaml

@@ -3,53 +3,22 @@
 - hosts: all
   vars:
     zuul_output_dir: '{{ ansible_user_dir }}/zuul-output'
-    zuul_work_dir: '{{ zuul.project.src_dir }}'
     test_collect_dir: '{{ zuul_output_dir }}/logs'
 
   roles:
-    - tobiko-common
-    - tobiko-ensure-bindep
-    - tobiko-ensure-tox
-
-  tasks:
-
-    - debug: var=unversioned_python_info
-    - debug: var=python_info
-
-    - block:
-        - name: "get missing binary dependencies"
-          command:
-            cmd: >
-              {{ bindep_executable | quote }} -b -f bindep.txt
-            chdir: '{{ zuul_work_dir }}'
-          register: get_missing_deps
-
-      rescue:
-        - name: "install missing dependencies"
-          become: yes
-          package:
-            name: '{{ get_missing_deps.stdout_lines }}'
+    - role: tobiko-ensure-python
 
     - name: "run Tox InfraRed plugin"
-      command:
-        cmd: >
-          {{ tox_executable | quote }} -e infrared --
-            --collect-dir {{ test_collect_dir | quote }}
-        chdir: '{{ zuul_work_dir }}'
-      environment:
-        PYTHON: '{{ unversioned_python_executable }}'
-        ANSIBLE_PYTHON_INTERPRETER: '{{ unversioned_python_executable }}'
-      ignore_errors: yes
-      register: run_tox
-
-    - name: "show Tox output"
-      debug: var=run_tox.stdout_lines
-
-    - name: "show Tox errors"
-      debug: var=run_tox.stderr_lines
-      when: run_tox is failed
-      failed_when: yes
+      role: tox
+      vars:
+        tox_envlist: infrared
+        tox_extra_args:
+          '-- --collect-dir {{ test_collect_dir | quote }}'
+        tox_environment:
+          PYTHON: '{{ unversioned_python_executable }}'
+          ANSIBLE_PYTHON_INTERPRETER: '{{ unversioned_python_executable }}'
 
+  tasks:
     - name: "list collected files"
       command: >
         ls '{{ test_collect_dir }}'