Add oidc prefixes to kubeadm templates (#4159)

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

@@ -98,6 +98,12 @@ apiServerExtraArgs:
 {%   if kube_oidc_groups_claim is defined %}
   oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
+{%   if kube_oidc_username_prefix is defined %}
+  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+{%   endif %}
+{%   if kube_oidc_groups_prefix is defined %}
+  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+{%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}
   authentication-token-webhook-config-file: {{ kube_config_dir }}/webhook-token-auth-config.yaml

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

@@ -83,6 +83,12 @@ apiServerExtraArgs:
 {%   if kube_oidc_groups_claim is defined %}
   oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
+{%   if kube_oidc_username_prefix is defined %}
+  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+{%   endif %}
+{%   if kube_oidc_groups_prefix is defined %}
+  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+{%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}
   authentication-token-webhook-config-file: {{ kube_config_dir }}/webhook-token-auth-config.yaml

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

@@ -93,6 +93,12 @@ apiServerExtraArgs:
 {%   if kube_oidc_groups_claim is defined %}
   oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
+{%   if kube_oidc_username_prefix is defined %}
+  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+{%   endif %}
+{%   if kube_oidc_groups_prefix is defined %}
+  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+{%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}
   authentication-token-webhook-config-file: {{ kube_config_dir }}/webhook-token-auth-config.yaml

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

@@ -90,6 +90,12 @@ apiServer:
 {%   if kube_oidc_groups_claim is defined %}
     oidc-groups-claim: {{ kube_oidc_groups_claim }}
 {%   endif %}
+{%   if kube_oidc_username_prefix is defined %}
+  oidc-username-prefix: {{ kube_oidc_username_prefix }}
+{%   endif %}
+{%   if kube_oidc_groups_prefix is defined %}
+  oidc-groups-prefix: {{ kube_oidc_groups_prefix }}
+{%   endif %}
 {% endif %}
 {% if kube_webhook_token_auth|default(false) %}
     authentication-token-webhook-config-file: {{ kube_config_dir }}/webhook-token-auth-config.yaml