collect-logs: Remove collection of docker etc/ dirs

This commit removes the collection of docker etc/ dirs. The majority of
this content should not be necessary and presents a burden on
OpenStack-Infra's log servers. If specific logs should be kept from here
they should be explicit.

Change-Id: I4d0de6539dd42e2291a33acd84bec586d0d62d4a

roles/collect-logs/tasks/collect.yml

@@ -170,7 +170,6 @@
                 echo "+ docker inspect $cont" >> $INFO_FILE;
                 docker inspect $cont &>> $INFO_FILE;
                 docker logs $cont &> $INFO_DIR/stdout.log;
-                docker cp $cont:/etc $INFO_DIR/etc;
                 docker cp $cont:/var/lib/kolla/config_files/config.json $INFO_DIR/config.json;
                 # NOTE(flaper87): This should go away. Services should be
                 # using a `logs` volume
@@ -182,6 +181,9 @@
             cp -r /var/lib/docker/volumes/logs/_data $BASE_DOCKER_EXTRA/logs;
         fi
 
+    - name: Collect config-data
+      shell: cp -r /var/lib/config-data /var/log/config-data
+
     - name: Collect text version of the journal from last four hours
       shell: journalctl --since=-4h --lines=100000 > /var/log/journal.txt