support persistent volumes/pvc

flipt-io · Jul 26, 2022 · 2f03080 · 2f03080
1 parent 9f00897
commit 2f03080
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Showing 5 changed files with 113 additions and 9 deletions.
diff --git a/charts/flipt/Chart.yaml b/charts/flipt/Chart.yaml
@@ -3,5 +3,8 @@ name: flipt
 home: https://flipt.io
 description: Flipt is an open source, self-hosted feature flag solution.
 type: application
-version: 0.3.0
+version: 0.4.0
 appVersion: "v1.9.0"
+maintainers:
+  - name: Flipt
+    url: https://github.com/flipt-io/helm-charts
diff --git a/charts/flipt/templates/_helpers.tpl b/charts/flipt/templates/_helpers.tpl
@@ -60,3 +60,36 @@ Create the name of the service account to use
 {{- default "default" .Values.serviceAccount.name }}
 {{- end }}
 {{- end }}
+
+{{/*
+Renders a value that contains template.
+Usage:
+{{ include "common.tplvalues.render" ( dict "value" .Values.path.to.the.Value "context" $) }}
+*/}}
+{{- define "common.tplvalues.render" -}}
+    {{- if typeIs "string" .value }}
+        {{- tpl .value .context }}
+    {{- else }}
+        {{- tpl (.value | toYaml) .context }}
+    {{- end }}
+{{- end -}}
+
+{{/*
+Return  the proper Storage Class
+{{ include "common.storage.class" ( dict "persistence" .Values.path.to.the.persistence "global" $) }}
+*/}}
+{{- define "common.storage.class" -}}
+{{- $storageClass := .persistence.storageClass -}}
+{{- if .global -}}
+    {{- if .global.storageClass -}}
+        {{- $storageClass = .global.storageClass -}}
+    {{- end -}}
+{{- end -}}
+{{- if $storageClass -}}
+  {{- if (eq "-" $storageClass) -}}
+      {{- printf "storageClassName: \"\"" -}}
+  {{- else }}
+      {{- printf "storageClassName: %s" $storageClass -}}
+  {{- end -}}
+{{- end -}}
+{{- end -}}
diff --git a/charts/flipt/templates/deployment.yaml b/charts/flipt/templates/deployment.yaml
@@ -35,15 +35,20 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           ports:
             - name: http
-              containerPort: {{ .Values.flipt.httpPort }}
+              containerPort: {{ coalesce .Values.flipt.httpPort .Values.containerPorts.http }}
               protocol: TCP
             - name: grpc
-              containerPort: {{ .Values.flipt.grpcPort }}
+              containerPort: {{ coalesce .Values.flipt.grpcPort .Values.containerPorts.grpc }}
               protocol: TCP
           volumeMounts:
-            - name: config-volume
+            - name: flipt-config
               mountPath: /etc/flipt/config.yml
               readOnly: true
+            - name: flipt-data
+              mountPath: /var/opt/flipt
+            {{- if .Values.persistence.subPath }}
+              subPath: {{ .Values.persistence.subPath }}
+            {{- end }}
           livenessProbe:
             httpGet:
               path: /
@@ -55,9 +60,16 @@ spec:
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
       volumes:
-        - name: config-volume
+        - name: flipt-config
           configMap:
             name: {{ include "flipt.fullname" . }}
+        - name: flipt-data
+        {{- if .Values.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ default (include "flipt.fullname" .) .Values.persistence.existingClaim }}
+        {{- else }}
+          emptyDir: {}
+        {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}

diff --git a/charts/flipt/templates/pvc.yaml b/charts/flipt/templates/pvc.yaml
@@ -0,0 +1,23 @@
+{{- if and .Values.persistence.enabled (not .Values.persistence.existingClaim) -}}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: {{ include "flipt.fullname" . }}
+  labels:
+    {{- include "flipt.labels" . | nindent 4 }}
+  {{- if or .Values.persistence.annotations .Values.commonAnnotations }}
+  annotations:
+    {{- if .Values.persistence.annotations }}
+    {{- include "common.tplvalues.render" ( dict "value" .Values.persistence.annotations "context" $ ) | nindent 4 }}
+    {{- end }}
+  {{- end }}
+spec:
+  accessModes:
+  {{- range .Values.persistence.accessModes }}
+    - {{ . | quote }}
+  {{- end }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+  {{- include "common.storage.class" (dict "persistence" .Values.persistence "global" .Values.global) | nindent 2 }}
+{{- end -}}
diff --git a/charts/flipt/values.yaml b/charts/flipt/values.yaml
@@ -1,7 +1,7 @@
 replicaCount: 1
 
 image:
-  repository: markphelps/flipt
+  repository: flipt/flipt
   pullPolicy: IfNotPresent
   # Overrides the image tag whose default is the chart appVersion.
   tag: ""
@@ -78,9 +78,42 @@ tolerations: []
 
 affinity: {}
 
-# Flipt deployment settings
+## Container ports
+##
+containerPorts:
+  ## http is the Flipt HTTP container port
+  http: 8080
+  ## grpc Flipt GRPC container port
+  grpc: 9000
+
+## Persistence Parameters
+## ref: https://kubernetes.io/docs/user-guide/persistent-volumes/
+##
+persistence:
+  ## enabled enables persistence using Persistent Volume Claims
+  enabled: false
+  ## annotations are additional custom annotations for the PVC
+  annotations: {}
+  ## existingClaim sets the name of an existing PVC to use for persistence
+  existingClaim: ""
+  ## subPath is the name of a volume's sub path to mount for persistence
+  subPath: ""
+  ## accessModes [array] Persistent Volume access modes
+  accessModes:
+    - ReadWriteOnce
+  ## storageClass sets Persistent Volume storage class
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is set, choosing the default provisioner
+  ##
+  storageClass: ""
+  ## size is the Persistent Volume size
+  size: 5Gi
+
 flipt:
-  # Port to expose the http service on
+  # httpPort is the Flipt HTTP container port
+  # @deprecated use containerPorts.http instead
   httpPort: 8080
-  # Port to expose the grpc service on
+  # grpcPort is the Flipt GRPC container port
+  # @deprecated use containerPorts.grpc instead
   grpcPort: 9000