ClickStack-helm-charts/charts/clickstack/templates/clickhouse-deployment.yaml at be0137b0d09b32ab34c35610cf7df953a9799f19 · ClickHouse/ClickStack-helm-charts · GitHub

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{{- if .Values.clickhouse.enabled }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "clickstack.fullname" . }}-clickhouse
  labels:
    {{- include "clickstack.labels" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    app: clickhouse
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      {{- include "clickstack.selectorLabels" . | nindent 6 }}
      app: clickhouse
  template:
    metadata:
      labels:
        {{- include "clickstack.selectorLabels" . | nindent 8 }}
        app.kubernetes.io/component: clickhouse
        app: clickhouse
    spec:
      terminationGracePeriodSeconds: {{ .Values.clickhouse.terminationGracePeriodSeconds | default 90 }}
      {{- if .Values.clickhouse.nodeSelector }}
      nodeSelector:
        {{- toYaml .Values.clickhouse.nodeSelector | nindent 8 }}
      {{- end }}
      {{- if .Values.clickhouse.tolerations }}
      tolerations:
        {{- toYaml .Values.clickhouse.tolerations | nindent 8 }}
      {{- end }}
      {{- if .Values.global.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml .Values.global.imagePullSecrets | nindent 8 }}
      {{- end }}
      containers:
        - name: clickhouse
          image: "{{ .Values.clickhouse.image }}"
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: {{ .Values.clickhouse.port }}
            - containerPort: {{ .Values.clickhouse.nativePort }}
          env:
            - name: CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT
              value: "1"
          {{- if .Values.clickhouse.resources }}
          resources:
            {{- toYaml .Values.clickhouse.resources | nindent 12 }}
          {{- end }}
          lifecycle:
            preStop:
              exec:
                command:
                  - /bin/sh
                  - -c
                  - |
                    clickhouse-client --query "SYSTEM STOP MERGES" || true
                    clickhouse-client --query "SYSTEM STOP MOVES" || true
                    clickhouse-client --query "SYSTEM FLUSH LOGS" || true
                    sleep 5
          {{- if .Values.clickhouse.livenessProbe.enabled }}
          livenessProbe:
            httpGet:
              path: /ping
              port: {{ .Values.clickhouse.port }}
            initialDelaySeconds: {{ .Values.clickhouse.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.clickhouse.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.clickhouse.livenessProbe.timeoutSeconds }}
            failureThreshold: {{ .Values.clickhouse.livenessProbe.failureThreshold }}
          {{- end }}
          {{- if .Values.clickhouse.readinessProbe.enabled }}
          readinessProbe:
            httpGet:
              path: /ping
              port: {{ .Values.clickhouse.port }}
            initialDelaySeconds: {{ .Values.clickhouse.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.clickhouse.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.clickhouse.readinessProbe.timeoutSeconds }}
            failureThreshold: {{ .Values.clickhouse.readinessProbe.failureThreshold }}
          {{- end }}
          {{- if .Values.clickhouse.startupProbe.enabled }}
          startupProbe:
            httpGet:
              path: /ping
              port: {{ .Values.clickhouse.port }}
            initialDelaySeconds: {{ .Values.clickhouse.startupProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.clickhouse.startupProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.clickhouse.startupProbe.timeoutSeconds }}
            failureThreshold: {{ .Values.clickhouse.startupProbe.failureThreshold }}
          {{- end }}
          volumeMounts:
            - name: config
              mountPath: /etc/clickhouse-server/config.xml
              subPath: config.xml
            - name: users
              mountPath: /etc/clickhouse-server/users.xml
              subPath: users.xml
            - name: data
              mountPath: /var/lib/clickhouse
            - name: logs
              mountPath: /var/log/clickhouse-server
      volumes:
        - name: config
          configMap:
            name: {{ include "clickstack.fullname" . }}-clickhouse-config
        - name: users
          configMap:
            name: {{ include "clickstack.fullname" . }}-clickhouse-users
        - name: data
          {{- if .Values.clickhouse.persistence.enabled }}
          persistentVolumeClaim:
            claimName: {{ include "clickstack.fullname" . }}-clickhouse-data
          {{- else }}
          emptyDir: {}
          {{- end }}
        - name: logs
          {{- if .Values.clickhouse.persistence.enabled }}
          persistentVolumeClaim:
            claimName: {{ include "clickstack.fullname" . }}-clickhouse-logs
          {{- else }}
          emptyDir: {}
          {{- end }}
---
apiVersion: v1
kind: Service
metadata:
  name: {{ include "clickstack.fullname" . }}-clickhouse
  labels:
    {{- include "clickstack.labels" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    app: clickhouse
  {{- if .Values.clickhouse.service.annotations }}
  annotations:
    {{- with .Values.clickhouse.service.annotations }}
    {{- toYaml . | nindent 4 }}
    {{- end }}
  {{- end }}
spec:
  type: {{ .Values.clickhouse.service.type | default "ClusterIP" }}
  ports:
    - port: {{ .Values.clickhouse.port }}
      targetPort: {{ .Values.clickhouse.port }}
      name: http
    - port: {{ .Values.clickhouse.nativePort }}
      targetPort: {{ .Values.clickhouse.nativePort }}
      name: native
    {{- if .Values.clickhouse.prometheus.enabled }}
    - port: {{ .Values.clickhouse.prometheus.port }}
      targetPort: {{ .Values.clickhouse.prometheus.port }}
      name: prometheus
    {{- end }}
  selector:
    {{- include "clickstack.selectorLabels" . | nindent 4 }}
    app: clickhouse
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ include "clickstack.fullname" . }}-clickhouse-config
  labels:
    {{- include "clickstack.labels" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    app: clickhouse
data:
  config.xml: |-
    {{- tpl (.Files.Get "data/config.xml") . | nindent 4 }}

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ include "clickstack.fullname" . }}-clickhouse-users
  labels:
    {{- include "clickstack.labels" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    app: clickhouse
data:
  users.xml: |-
    {{- tpl (.Files.Get "data/users.xml") . | nindent 4 }}

{{- if .Values.clickhouse.persistence.enabled }}
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: {{ include "clickstack.fullname" . }}-clickhouse-data
  labels:
    {{- include "clickstack.labels" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    app: clickhouse
  {{- if .Values.global.keepPVC }}
  annotations:
    "helm.sh/resource-policy": keep
  {{- end }}
spec:
  accessModes:
    - ReadWriteOnce
  {{- if .Values.global.storageClassName }}
  storageClassName: {{ .Values.global.storageClassName }}
  {{- end }}
  resources:
    requests:
      storage: {{ .Values.clickhouse.persistence.dataSize }}
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: {{ include "clickstack.fullname" . }}-clickhouse-logs
  labels:
    {{- include "clickstack.labels" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    app: clickhouse
  {{- if .Values.global.keepPVC }}
  annotations:
    "helm.sh/resource-policy": keep
  {{- end }}
spec:
  accessModes:
    - ReadWriteOnce
  {{- if .Values.global.storageClassName }}
  storageClassName: {{ .Values.global.storageClassName }}
  {{- end }}
  resources:
    requests:
      storage: {{ .Values.clickhouse.persistence.logSize }}
{{- end }}
{{- end }}