Added pod disruption budget to Influxdb2 and telegraf (#252)

charts/influxdb2/Chart.yaml

 apiVersion: v2
-appVersion: 2.0.2
+appVersion: 2.0.3
 
 name: influxdb2
 description: A Helm chart for InfluxDB v2
 home: https://www.influxdata.com/products/influxdb-overview/influxdb-2-0/
 type: application
-version: 1.0.14
+version: 1.0.15
 maintainers:
   - name: rawkode
     email: rawkode@influxdata.com

charts/influxdb2/templates/job-setup-admin.yaml

@@ -20,6 +20,10 @@ spec:
       containers:
       - name: {{ template "influxdb.fullname" . }}-create-admin-user
         image: "{{ .Values.image.repository }}:v{{ .Chart.AppVersion }}"
+        {{- if .Values.securityContext }}
+        securityContext:
+          {{ toYaml .Values.securityContext | nindent 12 }}
+        {{- end }}
         env:
           - name: INFLUXDB_PASSWORD
             valueFrom:
@@ -44,4 +48,8 @@ spec:
             -p ${INFLUXDB_PASSWORD} \
             -t ${INFLUXDB_TOKEN}
       restartPolicy: OnFailure
+      {{- if .Values.securityContext.runAsGroup }}
+      securityContext:
+        fsGroup: {{ .Values.securityContext.runAsGroup }}
+      {{- end }}
 {{- end -}}

charts/influxdb2/templates/pdb.yaml

+{{- if .Values.pdb.create }}
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ template "influxdb.fullname" . }}
+  labels:
+  {{ include "influxdb.labels" . | nindent 4 }}
+spec:
+  {{- if .Values.pdb.minAvailable }}
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  {{- end }}
+  {{- if .Values.pdb.maxUnavailable }}
+  maxUnavailable: {{ .Values.pdb.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+  {{- include "influxdb.selectorLabels" . | nindent 6 }}
+  {{- end }}

charts/influxdb2/templates/statefulset.yaml

@@ -34,6 +34,10 @@ spec:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:v{{ .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
+          args:
+            - influxd
+            - --engine-path
+            - {{ .Values.persistence.mountPath }}
           ports:
             - name: {{ .Values.service.portName }}
               containerPort: 8086
@@ -52,10 +56,14 @@ spec:
               port: http
           volumeMounts:
           - name: data
-            mountPath: /root/.influxdbv2
+            mountPath: {{ .Values.persistence.mountPath }}
           resources:
             {{ .Values.resources | toYaml | nindent 12 | trim }}
 
+      {{- if .Values.securityContext.runAsGroup }}
+      securityContext:
+        fsGroup: {{ .Values.securityContext.runAsGroup }}
+      {{- end }}
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{ toYaml . | nindent 8 | trim }}

charts/influxdb2/values.yaml

@@ -58,6 +58,7 @@ persistence:
   # storageClass: "-"
   accessMode: ReadWriteOnce
   size: 50Gi
+  mountPath: /root/.influxdbv2
 
 service:
   type: ClusterIP
@@ -79,3 +80,12 @@ ingress:
     # kubernetes.io/ingress.class: "nginx"
     # kubernetes.io/tls-acme: "true"
   path: /
+
+## Pod disruption budget configuration
+##
+pdb:
+  ## Specifies whether a Pod disruption budget should be created
+  ##
+  create: true
+  minAvailable: 1
+  # maxUnavailable: 1

charts/telegraf/Chart.yaml

 apiVersion: v2
 name: telegraf
-version: 1.7.36
+version: 1.7.37
 appVersion: 1.17
 deprecated: false
 description: Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.

charts/telegraf/templates/pdb.yaml

+{{- if .Values.pdb.create }}
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "telegraf.fullname" . }}
+  labels:
+  {{- include "telegraf.labels" . | nindent 4 }}
+spec:
+  {{- if .Values.pdb.minAvailable }}
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  {{- end }}
+  {{- if .Values.pdb.maxUnavailable }}
+  maxUnavailable: {{ .Values.pdb.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+  {{- include "telegraf.selectorLabels" . | nindent 6 }}
+  {{- end }}

charts/telegraf/values.yaml

@@ -168,3 +168,12 @@ metrics:
 # hooks:
 #   postStart: ["/bin/sh", "-c", "echo Telegraf started"]
 #   preStop: ["/bin/sh", "-c", "sleep 60"]
+
+## Pod disruption budget configuration
+##
+pdb:
+  ## Specifies whether a Pod disruption budget should be created
+  ##
+  create: true
+  minAvailable: 1
+  # maxUnavailable: 1