Fetch docker logs in post run

Change-Id: If025a9d3f8e2708c1bebcb2419dd840b15cab79b

.zuul.yaml

@@ -91,6 +91,7 @@
         s-object: false
         s-container: false
         s-proxy: false
+    post-run: playbooks/zun-tempest-base/post.yaml
 
 - job:
     name: zun-tempest-multinode-docker-sql
@@ -138,6 +139,7 @@
         zun: https://opendev.org/openstack/zun
         kuryr-libnetwork: https://opendev.org/openstack/kuryr-libnetwork
         devstack-plugin-container: https://opendev.org/openstack/devstack-plugin-container
+    post-run: playbooks/fullstack/post.yaml
 
 - project:
     templates:

playbooks/fullstack/post.yaml

@@ -0,0 +1,3 @@
+- hosts: all
+  roles:
+    - fetch_docker_log

playbooks/zun-tempest-base/post.yaml

@@ -1,13 +1,3 @@
 - hosts: all
-  tasks:
-    - name: Ensure {{ ansible_user_dir }}/logs exists
-      become: True
-      file:
-        path: "{{ ansible_user_dir }}/logs"
-        state: directory
-        owner: "{{ ansible_user }}"
-    - name: Copy over docker systemd unit journals
-      shell:
-        cmd: |
-          sudo journalctl -o short-precise --unit docker | sudo tee {{ ansible_user_dir }}/logs/docker.txt > /dev/null
-        executable: /bin/bash
+  roles:
+    - fetch_docker_log

roles/fetch_docker_log/tasks/main.yaml

@@ -0,0 +1,11 @@
+- name: Ensure {{ ansible_user_dir }}/logs exists
+  become: True
+  file:
+    path: "{{ ansible_user_dir }}/logs"
+    state: directory
+    owner: "{{ ansible_user }}"
+- name: Copy over docker systemd unit journals
+  shell:
+    cmd: |
+      sudo journalctl -o short-precise --unit docker | sudo tee {{ ansible_user_dir }}/logs/docker.txt > /dev/null
+    executable: /bin/bash