Build the custom images for workload-plugin if enabled

Change-Id: I864f288ad9d680e696d06cc9086fb9ab01430a0c

ansible/install/group_vars/all.yml

@@ -82,21 +82,25 @@ browbeat_workloads:
     src: sysbench-user.file
     dest: "{{ browbeat_path }}/sysbench-user.file"
     image: centos7
+    enabled: false
   linpack:
     name: browbeat-linpack
     src: linpack-user.file
     dest: "{{ browbeat_path }}/linpack-user.file"
     image: centos7
+    enabled: false
   uperf:
     name: browbeat-uperf
     src: pbench-uperf-user.file
     dest: "{{ browbeat_path }}/pbench-uperf-user.file"
     image: centos7
+    enabled: false
   abench:
     name: browbeat-abench
     src: abench-user.file
     dest: "{{ browbeat_path }}/abench-user.file"
     image: centos7
+    enabled: false
 
 ########################################
 # Other Install Configuration Items

ansible/install/roles/workloads/tasks/main.yml

@@ -9,11 +9,13 @@
     src: "{{ browbeat_workloads[item].src }}"
     dest: "{{ browbeat_workloads[item].dest }}"
   with_items: "{{ browbeat_workloads }}"
+  when: browbeat_workloads[item].enabled
 
 - name: Build images
   shell: source {{ overcloudrc }} ; openstack server create --wait --flavor m1.small --image {{ browbeat_workloads[item].image }} --nic net-id={{ browbeat_network }} --user-data {{ browbeat_workloads[item].dest }} {{ browbeat_workloads[item].name }} | egrep '\sid\s' | awk '{print $4}'
-  register: workload_ids
   with_items: "{{ browbeat_workloads }}"
+  when: browbeat_workloads[item].enabled
+  register: workload_ids
 
 - name: Check status of images
   shell:  source {{ overcloudrc }} ; nova console-log {{ item.stdout }}
@@ -21,22 +23,28 @@
   until: guest_output.stdout.find("Browbeat workload installed") != -1
   retries: 30
   with_items: "{{ workload_ids.results }}"
+  when: item.changed
 
 - name: Clean up glance
   shell: source {{ overcloudrc }} ; openstack image delete {{ browbeat_workloads[item].name }}
   with_items: "{{ browbeat_workloads }}"
   ignore_errors: true
+  when: browbeat_workloads[item].enabled
 
 - name: Copy prepared workload guest into Glance
   shell: source {{ overcloudrc }} ; openstack server image create --wait --name {{ browbeat_workloads[item].name }} {{ browbeat_workloads[item].name }}
   with_items: "{{ browbeat_workloads }}"
+  when: browbeat_workloads[item].enabled
 
 - name: Update visibility
   shell: source {{ overcloudrc }} ; openstack image set {{ browbeat_workloads[item].name }} --public
   with_items: "{{ browbeat_workloads }}"
+  when: browbeat_workloads[item].enabled
 
 - name: Delete workload guests after copying
   shell: |
-    . {{ overcloudrc }}
+    source {{ overcloudrc }}
     openstack server delete {{browbeat_workloads[item].name}}
   with_items: "{{browbeat_workloads}}"
+  when: browbeat_workloads[item].enabled
+

doc/source/installation.rst

@@ -63,8 +63,20 @@ We currently support a handful of workloads
 - Pbench-Uperf - Networking throughput / RR test
 - Linpack - Microbenchmark for CPU load
 
-To enable installation of the Browbeat workloads set install_browbeat_workloads: true in
-ansible/install/group_vars/all.yml.
+To enable installation of the Browbeat workloads set install_browbeat_workloads: true
+in ansible/install/group_vars/all.yml.
+
+To build the custom images for workloads set enabled: true
+in ansible/install/group_vars/all.yml.
+
+Example:
+        browbeat_workloads:
+          sysbench:
+            name: browbeat-sysbench
+            src: sysbench-user.file
+            dest: "{{ browbeat_path }}/sysbench-user.file"
+            image: centos7
+            enabled: true
 
 It is also required to provide the neutron network id of a private network which
 has external access. To set this, edit ansible/install/group_vars/all.yml and