Allow setting an emptyDir sizeLimit for Prometheus

stable/prometheus/Chart.yaml

@@ -1,5 +1,5 @@
 name: prometheus
-version: 8.11.0
+version: 8.11.1
 appVersion: 2.9.2
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/

stable/prometheus/README.md

@@ -271,6 +271,7 @@ Parameter | Description | Default
 `server.persistentVolume.size` | Prometheus server data Persistent Volume size | `8Gi`
 `server.persistentVolume.storageClass` | Prometheus server data Persistent Volume Storage Class |  `unset`
 `server.persistentVolume.subPath` | Subdirectory of Prometheus server data Persistent Volume to mount | `""`
+`server.emptyDir.sizeLimit` | emptyDir sizeLimit if a Persistent Volume is not used | `""`
 `server.podAnnotations` | annotations to be added to Prometheus server pods | `{}`
 `server.deploymentAnnotations` | annotations to be added to Prometheus server deployment | `{}'
 `server.replicaCount` | desired number of Prometheus server pods | `1`

stable/prometheus/templates/server-deployment.yaml

@@ -179,7 +179,12 @@ spec:
           persistentVolumeClaim:
             claimName: {{ if .Values.server.persistentVolume.existingClaim }}{{ .Values.server.persistentVolume.existingClaim }}{{- else }}{{ template "prometheus.server.fullname" . }}{{- end }}
         {{- else }}
-          emptyDir: {}
+          emptyDir:
+          {{- if .Values.server.emptyDir.sizeLimit }}
+            sizeLimit: {{ .Values.server.emptyDir.sizeLimit }}
+          {{- else }}
+            {}
+          {{- end -}}
         {{- end -}}
 {{- if .Values.server.extraVolumes }}
 {{ toYaml .Values.server.extraVolumes | indent 8}}

stable/prometheus/values.yaml

@@ -716,6 +716,9 @@ server:
     ##
     subPath: ""
 
+  emptyDir:
+    sizeLimit: ""
+
   ## Annotations to be added to Prometheus server pods
   ##
   podAnnotations: {}