Added new configuration item for extra tolerations in policy controllers

Signed-off-by: Sébastien Masset <smt.masset@gmail.com>

roles/kubernetes-apps/ansible/defaults/main.yml

@@ -81,3 +81,6 @@ dashboard_master_toleration: true
 # Override dashboard default settings
 dashboard_token_ttl: 900
 dashboard_skip_login: false
+
+# Policy Controllers
+# policy_controller_extra_tolerations: [{effect: NoSchedule, operator: "Exists"}]

roles/kubernetes-apps/policy_controller/calico/templates/calico-kube-controllers.yml.j2

@@ -28,6 +28,9 @@ spec:
           effect: NoSchedule
         - key: node-role.kubernetes.io/control-plane
           effect: NoSchedule
+{% if policy_controller_extra_tolerations is defined %}
+        {{ policy_controller_extra_tolerations | list | to_nice_yaml(indent=2) | indent(8) }}
+{% endif %}
       priorityClassName: system-cluster-critical
       containers:
         - name: calico-kube-controllers