Update the dynamic test playbook

Updating the dynamic test playbook to remove VM creation and
shift the remaining roles over to utilizing the dynamic roles
which eliminates the baremetal.csv file's utilization beyond
initial VM creation as a simple and easy means to get started.

Change-Id: I19b58139d7918491f73dc1fa5a3258a537b069a0

playbooks/test-bifrost-dynamic.yaml

@@ -1,4 +1,9 @@
 # Example command line to use:
+# Create a VM:
+# ansible-playbook -vvvv -i inventory/localhost test-bifrost-create-vm.yaml
+# Set BIFROST_INVENTORY_SOURCE
+# export BIFROST_INVENTORY_SOURCE=/tmp/baremetal.csv
+# Execute the installation and VM startup test.
 # ansible-playbook -vvvv -i inventory/bifrost_inventory.py test-bifrost-dynamic.yaml -e use_cirros=true -e testing_user=cirros
 ---
 - hosts: localhost
@@ -7,10 +12,6 @@
   sudo: yes
   gather_facts: yes
   pre_tasks:
-    - name: "Set default baremetal.csv file if not already defined"
-      set_fact:
-         baremetal_csv_file: "/tmp/baremetal.csv"
-      when: baremetal_csv_file is not defined
     - name: "Set ci_testing flag if a list of changes are found in the environment variables"
       set_fact:
          ci_testing: true
@@ -29,7 +30,6 @@
       shell: netstat -apn|grep LISTEN
       when: ci_testing_zuul is defined
   roles:
-    - role: bifrost-create-vm-nodes
     - role: ironic-install
       cleaning: false
       testing: true
@@ -63,10 +63,4 @@
   gather_facts: no
   roles:
     - role: bifrost-unprovision-node-dynamic
-- hosts: localhost
-  connection: local
-  name: "Unprovisions the test node"
-  sudo: no
-  gather_facts: no
-  roles:
-    - role: ironic-delete
+    - role: ironic-delete-dynamic