Capture probe test logs

Change-Id: Ib2f3aa1d70e6d28e00570fe21352031dc41325d0

.zuul.yaml

@@ -117,6 +117,7 @@
       - playbooks/saio_single_node_setup/setup_saio.yaml
       - playbooks/saio_single_node_setup/make_rings.yaml
     run: playbooks/probetests/run.yaml
+    post-run: playbooks/probetests/post.yaml
 
 - project:
     check:

playbooks/probetests/post.yaml

@@ -0,0 +1,16 @@
+- hosts: all
+  become: true
+  tasks:
+    - name: Ensure swift logs are readable before syncing
+      file:
+        path: '/var/log/swift'
+        mode: u=rwX,g=rX,o=rX
+        state: directory
+        recurse: yes
+    - name: Copy swift logs from worker nodes to executor node
+      synchronize:
+        src: '/var/log/swift'
+        dest: '{{ zuul.executor.log_root }}'
+        mode: pull
+        copy_links: true
+        verify_host: true