openafs: copy dkms log directory

Grab the make logs from the dkms directory.  This is helpful if the
modules are failing to build.

The /var/lib/dkms directory contains all the source and object files,
etc., which seems unnecessary to store in general.  Thus we just trim
this to the log directory.

Change-Id: I9b5abc9cf4cd59305470a04dda487dfdfd1b395a

roles-test/post.yaml

@@ -9,6 +9,13 @@
 
 - hosts: all
   tasks:
+    - name: Get dkms make logs
+      shell: |
+          DKMS_MAKE_LOGS=/var/lib/dkms-make-logs
+          mkdir ${DKMS_MAKE_LOGS}
+          find /var/lib/dkms/ -type d -wholename "*/log" -exec cp -r  --parents \{\} ${DKMS_MAKE_LOGS} \;
+          chown zuul:zuul ${DKMS_MAKE_LOGS}
+      become: yes
     - include_role:
         name: stage-output
 

zuul.d/system-config-roles.yaml

@@ -22,6 +22,8 @@
         '/var/log/syslog': logs_txt
         '/var/log/messages': logs_txt
         '/var/log/openafs': logs
+        # for build logs on centos
+        '/var/lib/dkms-make-logs': logs
 
 - job:
     name: system-config-zuul-role-integration-xenial