fix config file examples, houskeeping, etc
diff --git a/configs-examples/ceph_fuel.yaml b/configs-examples/ceph_fuel.yaml
index 7018e86..0e1fb7b 100644
--- a/configs-examples/ceph_fuel.yaml
+++ b/configs-examples/ceph_fuel.yaml
@@ -1,43 +1,24 @@
+include: default.yaml
+lab_name: ${LAB_NAME}
+
 clouds:
     fuel:
-        url: http://FUEL_WEB_IP:8000/
-        creds: USER:PASSWD@TENANT #admin:admin@admin
-        ssh_creds: root:FUEL_SSH_PASSWD
-        openstack_env: OPENSTACK_ENV_NAME
+        url: http://${FUEL_WEBUI_IP}:8000/
+
+        # fuel UI creds
+        creds: ${USER}:${PASSWD}@${TENANT} #admin:admin@admin
+
+        # fuel master ssh passwd
+        ssh_creds: root:${FUEL_SSH_PASSWD}
+
+        # openstack environment
+        openstack_env: ${OPENSTACK_ENV_NAME}
 
 discover: fuel_openrc_only
 
-internal:
-    var_dir_root: /tmp/perf_tests
-
-logging:
-    extra_logs: 1
-
-vm_configs:
-    wally_1024:
-        image:
-            name: wally_ubuntu
-            url: https://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
-            creds: "ssh://ubuntu@{ip}::{private_key_path}"
-
-        flavor:
-            name: wally_1024
-            hdd_size: 50
-            ram_size: 1024
-            cpu_count: 1
-
-        vol_sz: 30
-        keypair_name: wally_vm_key
-        name_templ: wally-{group}-{id}
-        aa_group_name: wally-aa-{0}
-        security_group: wally_ssh_to_everyone
-
 tests:
     - start_test_nodes:
         openstack:
-            # creds: /tmp/perf_tests/personalistic_sharron/test_openrc
-            # creds: ENV
-            creds: clouds
             count: x1
             cfg_name: wally_1024
             network_zone_name: net04
@@ -48,4 +29,4 @@
                 cfg: ceph
                 params:
                     FILENAME: /dev/vdb
-                    NUM_ROUNDS: 7
+                    TEST_FILE_SIZE: 100G