support cronjobss in rails-application chart

charts/rails-application/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v2
 name: rails-application
 description: Base chart for my rails applications
 type: application
-version: "0.1.0-alpha1"
+version: "0.1.0-alpha2"

charts/rails-application/templates/cronjob.yaml

@@ -0,0 +1,52 @@
+{{- range $cronjobName, $cronjobValues := .Values.cronjobs }}
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ printf "%s-%s-%s" (include "rails-application.fullname" $) "crons" $cronjobName }}
+  labels:
+    {{- include "rails-application.labels" $ | nindent 4 }}
+spec:
+  schedule: {{ $cronjobValues.schedule | quote }}
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          {{- with $.Values.imagePullSecrets }}
+          imagePullSecrets:
+            {{- toYaml $ | nindent 12 }}
+          {{- end }}
+          serviceAccountName: {{ include "rails-application.serviceAccountName" $ }}
+          securityContext:
+            {{- toYaml $.Values.podSecurityContext | nindent 12 }}
+          containers:
+            - name: {{ printf "%s-%s-%s" (include "rails-application.fullname" $) "crons" $cronjobName }}
+              securityContext:
+                {{- toYaml $.Values.securityContext | nindent 16 }}
+              image: "{{ $.Values.image.repository }}:{{ $.Values.image.tag | default $.Values.version }}"
+              imagePullPolicy: {{ $.Values.image.pullPolicy }}
+              args:
+                {{- toYaml $cronjobValues.args | nindent 16 }}
+              envFrom:
+                - configMapRef:
+                    name: {{ include "rails-application.fullname" $ }}
+                - secretRef:
+                    name: {{ include "rails-application.fullname" $ }}
+          {{- with $.Values.volumes }}
+          volumes:
+            {{- toYaml $ | nindent 8 }}
+          {{- end }}
+          {{- with $.Values.nodeSelector }}
+          nodeSelector:
+            {{- toYaml $ | nindent 8 }}
+          {{- end }}
+          {{- with $.Values.affinity }}
+          affinity:
+            {{- toYaml $ | nindent 8 }}
+          {{- end }}
+          {{- with $.Values.tolerations }}
+          tolerations:
+            {{- toYaml $ | nindent 8 }}
+          {{- end }}
+          restartPolicy: OnFailure
+---
+{{- end }}

charts/rails-application/values.yaml

@@ -2,6 +2,9 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
+name: placeholder
+version: "9.9.9"
+
 image:
   repository: my-application
   pullPolicy: IfNotPresent
@@ -34,6 +37,11 @@ deployments:
         path: /health/all
         port: http
 
+cronjobs: {}
+  # daily:
+  #   schedule: "30 6 * * *"
+  #   args: ["rake", "crons:daily"]
+
 serviceAccount:
   # Specifies whether a service account should be created
   create: true