quote values for kube_oidc_groups_prefix and kube_oidc_username_prefix values to accept colon, e.g oidc: (#4305)

This will fix error: error converting YAML to JSON: yaml: line 36: mapping values are not allowed in this context

Signed-off-by: Abdulaziz AlMalki <almalki.a@gmail.com>

roles/kubernetes/master/templates/kubeadm-config.v1alpha1.yaml.j2

@@ -99,10 +99,10 @@ apiServerExtraArgs:
   oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
 {%   if kube_oidc_username_prefix is defined %}
-  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+  oidc-username-prefix: "{{ kube_oidc_username_prefix }}"
 {%   endif %}
 {%   if kube_oidc_groups_prefix is defined %}
-  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+  oidc-groups-prefix: "{{ kube_oidc_groups_prefix }}"
 {%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}

roles/kubernetes/master/templates/kubeadm-config.v1alpha2.yaml.j2

@@ -84,10 +84,10 @@ apiServerExtraArgs:
   oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
 {%   if kube_oidc_username_prefix is defined %}
-  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+  oidc-username-prefix: "{{ kube_oidc_username_prefix }}"
 {%   endif %}
 {%   if kube_oidc_groups_prefix is defined %}
-  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+  oidc-groups-prefix: "{{ kube_oidc_groups_prefix }}"
 {%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}

roles/kubernetes/master/templates/kubeadm-config.v1alpha3.yaml.j2

@@ -94,10 +94,10 @@ apiServerExtraArgs:
   oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
 {%   if kube_oidc_username_prefix is defined %}
-  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+  oidc-username-prefix: "{{ kube_oidc_username_prefix }}"
 {%   endif %}
 {%   if kube_oidc_groups_prefix is defined %}
-  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+  oidc-groups-prefix: "{{ kube_oidc_groups_prefix }}"
 {%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}

roles/kubernetes/master/templates/kubeadm-config.v1beta1.yaml.j2

@@ -91,10 +91,10 @@ apiServer:
     oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
 {%   if kube_oidc_username_prefix is defined %}
-    oidc-username-prefix: {{ kube_oidc_username_prefix }}
+    oidc-username-prefix: "{{ kube_oidc_username_prefix }}"
 {%   endif %}
 {%   if kube_oidc_groups_prefix is defined %}
-    oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+    oidc-groups-prefix: "{{ kube_oidc_groups_prefix }}"
 {%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}