changed edge_install to single_node

Signed-off-by: John Lockman <jlockman3@gmail.com>

kubernetes/host_inventory_file

@@ -16,5 +16,5 @@ all:
                 compute004:
                 compute005:
       vars:
-        edge_install: false
+        single_node: false
         master_ip: 10.0.0.100

kubernetes/roles/startmaster/tasks/main.yml

@@ -112,7 +112,7 @@
 
 - name: Edge / Workstation Install allows pods to scheudle on master
   shell: kubectl taint nodes --all node-role.kubernetes.io/master-
-  when: edge_install 
+  when: single_node 
   tags: init
 
 

kubernetes/roles/startworkers/tasks/main.yml

@@ -38,7 +38,7 @@
     kubeadm join --token={{ hostvars['K8S_TOKEN_HOLDER']['token'] }}
     --discovery-token-ca-cert-hash sha256:{{ hostvars['K8S_TOKEN_HOLDER']['hash'] }}
     {{ hostvars['K8S_TOKEN_HOLDER']['ip'] }}:6443
-  when: not edge_install
+  when: not single_node
   tags: init