Consolidate openshift-ansible global variables

Merge openshift/global_defaults.yml into openshift/global_vars.yml file
since they serve the exact same purpose.

Also remove duplicated variables that were set in inventory file for
glusterfs nodes.

Change-Id: Ic0fb84fb7c711d4706b75885e69cbd052cd56f42

extraconfig/services/openshift-cns.yaml

@@ -195,8 +195,4 @@ outputs:
                             glusterfs_ip: {{hostvars.raw_get(host)['storage_ip']}}
                             glusterfs_devices:
                               {{openshift_gluster_disks | to_nice_yaml() | indent(8) }}
-                            ansible_user: {{ hostvars.raw_get(host)['ansible_user'] | default(hostvars.raw_get(host)['ansible_ssh_user']) | default('root') }}
-                            ansible_host: {{ hostvars.raw_get(host)['ansible_host'] | default(host) }}
-                            ansible_become: true
-                            openshift_schedulable: true
                           {% endfor %}

extraconfig/services/openshift-master.yaml

@@ -149,11 +149,13 @@ outputs:
                               image: {get_param: DockerOpenShiftBaseImage}
                         openshift_enable_excluders: false
                         openshift_deployment_type: origin
+                        openshift_use_dnsmasq: true
                         openshift_use_external_openvswitch: true
                         openshift_docker_selinux_enabled: false
                         # Disable services we're not using for now
                         openshift_enable_service_catalog: false
                         template_service_broker_install: false
+                        containerized: true
                         # Needed for containerized deployment
                         skip_version: true
                         # Fatal and Errors only
@@ -266,15 +268,6 @@ outputs:
                               new_nodes: {}
                               {% if groups['openshift_glusterfs'] | default([]) %}glusterfs: {}{% endif %}
 
-                - name: generate openshift global defaults
-                  copy:
-                    dest: "{{playbook_dir}}/openshift/global_defaults.yml"
-                    content: |
-                      containerized: true
-                      openshift_master_cluster_method: native
-                      openshift_use_dnsmasq: true
-                      openshift_use_external_openvswitch: true
-
                 - name: generate openshift global vars
                   copy:
                     dest: "{{playbook_dir}}/openshift/global_vars.yml"
@@ -423,7 +416,6 @@ outputs:
                       ANSIBLE_HOST_KEY_CHECKING=False
                       ansible-playbook
                       -i '{{playbook_dir}}/openshift/inventory'
-                      --extra-vars '@{{playbook_dir}}/openshift/global_defaults.yml'
                       --extra-vars '@{{playbook_dir}}/openshift/global_vars.yml'
                       {% if groups['openshift_glusterfs'] | default([]) %}
                       --extra-vars '@{{playbook_dir}}/openshift/global_gluster_vars.yml'

extraconfig/services/openshift-node.yaml

@@ -99,7 +99,6 @@ outputs:
                     ansible_user: "{{ hostvars[item]['ansible_user'] | default(hostvars[item]['ansible_ssh_user']) | default('root') }}"
                     ansible_host: "{{ hostvars[item]['ansible_host'] | default(item) }}"
                     ansible_become: true
-                    containerized: true
                     openshift_node_group_name: '{{tripleo_node_group_name}}'
                     etcd_ip: "{{hostvars[item][openshift_master_network + '_ip']}}"
                     openshift_ip: "{{hostvars[item][openshift_master_network + '_ip']}}"