[prometheus-statsd-exporter] Add DaemonSet option to statsd exporter and update helm chart options

charts/prometheus-statsd-exporter/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: prometheus-statsd-exporter
 description: A Helm chart for prometheus stats-exporter
-version: 0.13.1
+version: 0.14.0
 appVersion: v0.26.1
 home: https://github.com/prometheus/statsd_exporter
 sources:

charts/prometheus-statsd-exporter/templates/daemonset.yaml

@@ -0,0 +1,132 @@
+{{- if (eq .Values.kind "DaemonSet") }}
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: {{ include "prometheus-statsd-exporter.fullname" . }}
+  labels:
+    {{- include "prometheus-statsd-exporter.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  revisionHistoryLimit: {{ .Values.deploymentRevisionHistoryLimit | default 10 }}
+  {{- with .Values.updateStrategy }}
+  updateStrategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "prometheus-statsd-exporter.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "prometheus-statsd-exporter.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "prometheus-statsd-exporter.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          {{- with .Values.extraEnv }}
+          env:
+            {{- range $key, $value := . }}
+            - name: {{ $key }}
+              value: {{ $value | quote }}
+            {{- end }}
+          {{- end }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          args:
+            - --web.listen-address=:{{ .Values.service.port }}
+            - --web.telemetry-path={{ .Values.service.path }}
+            {{- if .Values.statsd.udpPort }}
+            - --statsd.listen-udp=:{{ .Values.statsd.udpPort }}
+            {{- else }}
+            - --statsd.listen-udp=
+            {{- end }}
+            {{- if .Values.statsd.tcpPort }}
+            - --statsd.listen-tcp=:{{ .Values.statsd.tcpPort }}
+            {{- else }}
+            - --statsd.listen-tcp=
+            {{- end }}
+            - --statsd.cache-size={{ .Values.statsd.cacheSize }}
+            - --statsd.event-queue-size={{ .Values.statsd.eventQueueSize }}
+            - --statsd.event-flush-threshold={{ .Values.statsd.eventFlushThreshold }}
+            - --statsd.event-flush-interval={{ .Values.statsd.eventFlushInterval }}
+            {{- if or .Values.statsd.mappingConfigMapName .Values.statsd.mappingConfig }}
+            - --statsd.mapping-config=/etc/prometheus-statsd-exporter/statsd-mapping.conf
+            {{- end }}
+            {{- if .Values.extraArgs }}
+              {{- toYaml .Values.extraArgs | nindent 12 }}
+            {{- end }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+            {{- if .Values.statsd.tcpPort }}
+            - name: statsd-tcp
+              containerPort: {{ .Values.statsd.tcpPort }}
+              protocol: TCP
+            {{- end }}
+            {{- if .Values.statsd.udpPort }}
+            - name: statsd-udp
+              containerPort: {{ .Values.statsd.udpPort }}
+              protocol: UDP
+            {{- end }}
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- if or .Values.statsd.mappingConfigMapName .Values.statsd.mappingConfig }}
+          volumeMounts:
+            - name: statsd-mapping-config
+              mountPath: /etc/prometheus-statsd-exporter
+          {{- end }}
+          {{- if .Values.lifecycle }}
+          lifecycle: 
+            {{- toYaml .Values.lifecycle | nindent 12 }}
+          {{- end }}
+      {{- if or .Values.statsd.mappingConfigMapName .Values.statsd.mappingConfig }}
+      volumes:
+        - name: statsd-mapping-config
+          configMap:
+            name: {{ template "prometheus-statsd-exporter.configMapName" . }}
+            items:
+              - key: {{ .Values.statsd.mappingConfigMapKey | default "statsd.mappingConf" }}
+                path: statsd-mapping.conf
+      {{- end }}
+      {{- with .Values.nodeSelector }}
+      dnsPolicy: {{ .Values.dnsPolicy }}
+      hostNetwork: {{ .Values.hostNetwork }}
+      hostPID: {{ .Values.hostPID }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+{{- end }}

charts/prometheus-statsd-exporter/templates/deployment.yaml

@@ -1,3 +1,4 @@
+{{- if (eq .Values.kind "Deployment") }}
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -8,6 +9,10 @@ spec:
   {{- if not .Values.autoscaling.enabled }}
   replicas: {{ .Values.replicaCount }}
   revisionHistoryLimit: {{ .Values.deploymentRevisionHistoryLimit | default 10 }}
+  {{- with .Values.strategy }}
+  strategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   {{- end }}
   selector:
     matchLabels:
@@ -29,6 +34,9 @@ spec:
       serviceAccountName: {{ include "prometheus-statsd-exporter.serviceAccountName" . }}
       securityContext:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName }}
+      {{- end }}
       containers:
         - name: {{ .Chart.Name }}
           securityContext:
@@ -104,6 +112,9 @@ spec:
                 path: statsd-mapping.conf
       {{- end }}
       {{- with .Values.nodeSelector }}
+      dnsPolicy: {{ .Values.dnsPolicy }}      
+      hostNetwork: {{ .Values.hostNetwork }}
+      hostPID: {{ .Values.hostPID }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
@@ -119,3 +130,4 @@ spec:
       topologySpreadConstraints:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+{{- end }}

charts/prometheus-statsd-exporter/values.yaml

@@ -2,6 +2,8 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
+kind: Deployment
+
 replicaCount: 1
 # deploymentRevisionHistoryLimit: 10
 
@@ -120,6 +122,8 @@ securityContext: {}
   # runAsNonRoot: true
   # runAsUser: 1000
 
+priorityClassName: ''
+
 service:
   type: ClusterIP
   # The address on which to expose the web interface and generated Prometheus metrics.
@@ -167,10 +171,20 @@ autoscaling:
 # Ref. https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/
 lifecycle: {}
 
+dnsPolicy: ClusterFirst
+
+hostNetwork: false
+
+hostPID: false
+
 nodeSelector: {}
 
 tolerations: []
 
 affinity: {}
 
 topologySpreadConstraints: []
+
+strategy: {}
+
+updateStrategy: {}