CI: fix podman info log collection

* capture podman config
* podman info needs sudo permissions
* before this fix, the podman info command failed with:
  Error: cannot set up namespace using "/usr/bin/newuidmap":
  should have setuid or have filecaps setuid: exit status 1

Change-Id: Ib3fe039a8c35421b56eedbd2d5197217b4a15a9a

Author: JanGutter

tests/playbooks/post.yml

@@ -38,6 +38,9 @@
                   sudo cp -r /var/lib/containers/storage/volumes/kolla_logs/_data kolla_logs
               fi
           fi
+          if sudo test -d /etc/containers; then
+              sudo cp -r /etc/containers etc_containers
+          fi
 
           # sudo config
           sudo cp -r /etc/sudoers.d ./
@@ -60,7 +63,7 @@
           ps -eo user,pid,ppid,lwp,%cpu,%mem,size,rss,cmd > ps.txt
 
           # docker related information
-          ({{ container_engine }} info && {{ container_engine }} system df && {{ container_engine }} system df -v) > {{ container_engine }}-info.txt
+          (sudo {{ container_engine }} info && sudo {{ container_engine }} system df && sudo {{ container_engine }} system df -v) > {{ container_engine }}-info.txt
 
           sudo cp -r /etc/kolla kolla_configs