cri-o: rename openshift_docker_use_crio to openshift_use_crio

It is confusing to have _docker_ in the name, since they are two
different backends.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

inventory/byo/hosts.origin.example

@@ -111,7 +111,7 @@ openshift_release=v3.6
 # Instead of using docker, replacec it with cri-o
 # NOTE: This uses openshift_docker_systemcontainer_image_registry_override as it's override
 # just as container-engine does.
-#openshift_docker_use_crio=False
+#openshift_use_crio=False
 # Force the registry to use for the docker/crio system container. By default the registry
 # will be built off of the deployment type and ansible_distribution. Only
 # use this option if you are sure you know what you are doing!

inventory/byo/hosts.ose.example

@@ -111,7 +111,7 @@ openshift_release=v3.6
 # Install and run cri-o along side docker
 # NOTE: This uses openshift_docker_systemcontainer_image_registry_override as it's override
 # just as container-engine does.
-#openshift_docker_use_crio=False
+#openshift_use_crio=False
 # Force the registry to use for the container-engine/crio system container. By default the registry
 # will be built off of the deployment type and ansible_distribution. Only
 # use this option if you are sure you know what you are doing!

roles/openshift_cli/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 - set_fact:
-    l_use_crio: "{{ openshift_docker_use_crio | default(false) }}"
+    l_use_crio: "{{ openshift_use_crio | default(false) }}"
 
 - name: Install clients
   package: name={{ openshift.common.service_type }}-clients state=present

roles/openshift_docker_facts/tasks/main.yml

@@ -17,7 +17,7 @@
       hosted_registry_insecure: "{{ openshift_docker_hosted_registry_insecure | default(openshift.docker.hosted_registry_insecure | default(False)) }}"
       hosted_registry_network: "{{ openshift_docker_hosted_registry_network | default(None) }}"
       use_system_container: "{{ openshift_docker_use_system_container | default(False) }}"
-      use_crio: "{{ openshift_docker_use_crio | default(False) }}"
+      use_crio: "{{ openshift_use_crio | default(False) }}"
   - role: node
     local_facts:
       sdn_mtu: "{{ openshift_node_sdn_mtu | default(None) }}"

roles/openshift_node/tasks/main.yml

@@ -4,7 +4,7 @@
     msg: "SELinux is disabled, This deployment type requires that SELinux is enabled."
   when:
     - (not ansible_selinux or ansible_selinux.status != 'enabled') and deployment_type in ['enterprise', 'online', 'atomic-enterprise', 'openshift-enterprise']
-    - not openshift_docker_use_crio | default(false)
+    - not openshift_use_crio | default(false)
 
 - name: setup firewall
   include: firewall.yml
@@ -103,7 +103,7 @@
     name: cri-o
     enabled: yes
     state: restarted
-  when: openshift_docker_use_crio | default(false)
+  when: openshift_use_crio | default(false)
 
 - name: Install conntrack-tools package
   package:

roles/openshift_node/tasks/openvswitch_system_container.yml

@@ -1,6 +1,6 @@
 ---
 - set_fact:
-    l_use_crio: "{{ openshift_docker_use_crio | default(false) }}"
+    l_use_crio: "{{ openshift_use_crio | default(false) }}"
 
 - set_fact:
     l_service_name: "cri-o"

roles/openshift_version/tasks/set_version_containerized.yml

@@ -1,6 +1,6 @@
 ---
 - set_fact:
-    l_use_crio: "{{ openshift_docker_use_crio | default(false) }}"
+    l_use_crio: "{{ openshift_use_crio | default(false) }}"
 
 - name: Set containerized version to configure if openshift_image_tag specified
   set_fact: