Merge pull request #220 from ministryofjustice/cluster-critical-priority

Set priority to system-cluster-critical

templates/oauth2-proxy.yaml.tpl

@@ -69,3 +69,5 @@ redis:
   # provision an instance of the redis sub-chart
   enabled: true
   architecture: standalone
+
+priorityClassName: system-cluster-critical

templates/prometheus-operator-eks.yaml.tpl

@@ -171,6 +171,10 @@ alertmanager:
     ## 	The external URL the Alertmanager instances will be available under. This is necessary to generate correct URLs. This is necessary if Alertmanager is not served from root of a DNS name.	string	false
     ##
     externalUrl: "${ alertmanager_ingress }"
+
+    ## Priority class assigned to the Pods
+    ##
+    priorityClassName: system-cluster-critical
 
 
 ## Using default values from https://github.com/helm/charts/blob/master/stable/grafana/values.yaml
@@ -371,6 +375,9 @@ kube-state-metrics:
 prometheus-node-exporter:
   rbac:
     pspEnabled: false
+
+  ## Assign a PriorityClassName to pods if set
+  priorityClassName: system-cluster-critical
 
 ## Manages Prometheus and Alertmanager components
 ##
@@ -385,6 +392,9 @@ prometheusOperator:
 
   admissionWebhooks:
     enabled: false
+
+    ## Assign a PriorityClassName to pods if set
+    priorityClassName: system-cluster-critical
 
 ## Deploy a Prometheus instance
 ##
@@ -503,6 +513,10 @@ prometheus:
     ##
     retention: 1d
 
+    ## Priority class assigned to the Pods
+    ##
+    priorityClassName: system-cluster-critical
+
     %{ if enable_prometheus_affinity_and_tolerations ~}
     ## Assign custom affinity rules to the prometheus instance
     ## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
@@ -543,4 +557,4 @@ prometheus:
         existingSecret:
           key: thanos.yaml
           name: thanos-objstore-config 
-%{ endif ~}
+%{ endif ~}