pulsar-helm-chart/pulsar/templates/proxy-deployment.yaml

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{{- if .Values.extra.proxy }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: "{{ template "pulsar.fullname" . }}-{{ .Values.proxy.component }}"
  namespace: {{ .Values.namespace }}
  labels:
    app: {{ template "pulsar.name" . }}
    chart: {{ template "pulsar.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
    component: {{ .Values.proxy.component }}
    cluster: {{ template "pulsar.fullname" . }}
spec:
  replicas: {{ .Values.proxy.replicaCount }}
  selector:
    matchLabels:
      app: {{ template "pulsar.name" . }}
      release: {{ .Release.Name }}
      component: {{ .Values.proxy.component }}
  template:
    metadata:
      labels:
        app: {{ template "pulsar.name" . }}
        release: {{ .Release.Name }}
        component: {{ .Values.proxy.component }}
        cluster: {{ template "pulsar.fullname" . }}
      annotations:
{{ toYaml .Values.proxy.annotations | indent 8 }}
    spec:
    {{- if .Values.proxy.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.proxy.nodeSelector | indent 8 }}
    {{- end }}
    {{- if .Values.proxy.tolerations }}
      tolerations:
{{ toYaml .Values.proxy.tolerations | indent 8 }}
    {{- end }}
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: "app"
                operator: In
                values:
                - "{{ template "pulsar.name" . }}"
              - key: "release"
                operator: In
                values:
                - {{ .Release.Name }}
              - key: "component"
                operator: In
                values:
                - {{ .Values.proxy.component }}
            topologyKey: "kubernetes.io/hostname"
      terminationGracePeriodSeconds: {{ .Values.proxy.gracePeriod }}
      initContainers:
      # This init container will wait for zookeeper to be ready before
      # deploying the proxies
      - name: wait-zookeeper-ready
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        command: ["sh", "-c"]
        args:
          - >-
            until bin/pulsar zookeeper-shell -server {{ template "pulsar.fullname" . }}-{{ .Values.zookeeper.component }} ls /admin/clusters/{{ template "pulsar.fullname" . }}; do
              sleep 3;
            done;
      # This init container will wait for at least one broker to be ready before
      # deploying the proxy
      - name: wait-broker-ready
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        command: ["bash", "-c"]
        args:
          - >-
            for i in {0..{{ .Values.broker.replicaCount }}}; do
              brokerServiceNumber="$(nslookup -timeout=10 {{ template "pulsar.fullname" . }}-{{ .Values.broker.component }} | grep Name | wc -l)"
              if [[ ${brokerServiceNumber} -ge 1 ]]; then
                break
              fi
              sleep 30;
            done;
      containers:
      - name: "{{ template "pulsar.fullname" . }}-{{ .Values.proxy.component }}"
        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
        imagePullPolicy: {{ .Values.image.pullPolicy }}
      {{- if .Values.proxy.resources }}
        resources:
{{ toYaml .Values.proxy.resources | indent 10 }}
      {{- end }}
        command: ["sh", "-c"]
        args:
        - >
          bin/apply-config-from-env.py conf/proxy.conf &&
          bin/apply-config-from-env.py conf/pulsar_env.sh &&
          bin/pulsar proxy
        ports:
        - name: http
          containerPort: 8080
        envFrom:
        - configMapRef:
            name: "{{ template "pulsar.fullname" . }}-{{ .Values.proxy.component }}"
{{- end }}