feat(kubevirt): optionally specify which nodes within a cluster to install kubeviirt

!35

defaults/main.yml

@@ -152,17 +152,14 @@ k3s:
 #       podSubnet: 172.16.70.0/24       # Mandatory, String. CIDR
 #       ServiceSubnet: 172.16.72.0/24   # Mandatory, String. CIDR
 #
-#                                       # Mandatory, String. Token to join nodes to the cluster
-#   node_token: !vault |
-#     $ANSIBLE_VAULT;1.2;AES256;kubernetes/cluster/production
-#     {rest_of encrypted key}
-#
 #
 #  kube_virt:
-#    enabled: false
+#    enabled: false      # Optional, Boolean. default=false. Install KubeVirt
+#
+#    nodes: []           # Optional, List of String. default=inventory_hostname. List of nodes to install kibevirt on.
 #
 #    operator:
-#      replicas: 2
+#      replicas: 2       # Optional, Integer. How many virt_operators to deploy.
 #
 #
 #  oidc:                                                    # Used to configure Kubernetes with OIDC Authentication.
@@ -173,13 +170,13 @@ k3s:
 #    username_prefix: oidc                                  # Optional, String. What to prefix to username
 #    groups_claim: roles                                    # Mandatory, String. Claim name containing groups
 #    groups_prefix: ''                                      # Optional, String. string to append to groups
-
+#
 #   hosts:
-
+#
 #     my-host-name:
 #       labels:
 #         mylabel: myvalue
-
+#
 #       taints:
 #         - effect: NoSchedule
 #           key: taintkey

tasks/main.yml

@@ -73,6 +73,8 @@
   when: >
     kubernetes_installed | default(false) | bool
       and
-    nfc_role_kubernetes_install_kubevirt
+    kubernetes_config.kube_virt.enabled | default(nfc_role_kubernetes_install_kubevirt)
+      and
+    inventory_hostname in kubernetes_config.kube_virt.nodes | default([ inventory_hostname ]) | list
   tags:
     - always