[CONSUL] Add limits to consul chart.

Having limits is important in order to have safe deployment.
consul didn't had one so let's add them.

Issue-ID: OOM-2230
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Idb49a5db304236c0786848acbc69c786084d7e33

2 files changed, 28 insertions, 1 deletions

diff --git a/kubernetes/consul/charts/consul-server/templates/statefulset.yaml b/kubernetes/consul/charts/consul-server/templates/statefulset.yaml
index 5bdbe0f232..549fb3a159 100644
--- a/kubernetes/consul/charts/consul-server/templates/statefulset.yaml
+++ b/kubernetes/consul/charts/consul-server/templates/statefulset.yaml
@@ -68,3 +68,4 @@ spec:
             port: {{ .Values.service.internalPort }}
           initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
           periodSeconds: {{ .Values.readiness.periodSeconds }}
+        resources: {{ include "common.resources" . | nindent 10 }}
diff --git a/kubernetes/consul/charts/consul-server/values.yaml b/kubernetes/consul/charts/consul-server/values.yaml
index f4f3b16dad..81472e71eb 100644
--- a/kubernetes/consul/charts/consul-server/values.yaml
+++ b/kubernetes/consul/charts/consul-server/values.yaml
@@ -63,4 +63,30 @@ service:
 ingress:
   enabled: false
 
-resources: {}
+#resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  #
+  # Example:
+  # Configure resource requests and limits
+  # ref: http://kubernetes.io/docs/user-guide/compute-resources/
+  # Minimum memory for development is 2 CPU cores and 4GB memory
+  # Minimum memory for production is 4 CPU cores and 8GB memory
+resources:
+  small:
+    limits:
+      cpu: 100m
+      memory: 100Mi
+    requests:
+      cpu: 30m
+      memory: 25Mi
+  large:
+    limits:
+      cpu: 2
+      memory: 4Gi
+    requests:
+      cpu: 1
+      memory: 2Gi
+  unlimited: {}