KubeZero/charts/kubezero-istio/templates/istio.yaml

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  name: kubezero-istio
  namespace: istio-system
  labels:
{{ include "kubezero-lib.labels" . | indent 4 }}
spec:
  profile: empty
  components:
    ingressGateways:
    - enabled: true
      k8s:
        replicaCount: {{ .Values.ingress.replicaCount }}
        {{- if .Values.ingress.autoscaleEnabled }}
        hpaSpec:
          maxReplicas: 5
          metrics:
          - resource:
              name: cpu
              targetAverageUtilization: 80
            type: Resource
          minReplicas: 1
          scaleTargetRef:
            apiVersion: apps/v1
            kind: Deployment
            name: istio-ingressgateway
        {{- end }}
        env:
        # https://github.com/istio/istio/issues/26524, not in 1.7 !
        #- name: TERMINATION_DRAIN_DURATION_SECONDS
        #  value: "60"
        - name: ISTIO_META_HTTP10
          value: '"1"'
        - name: ISTIO_META_ROUTER_MODE
          value: standard
        #- name: ISTIO_META_IDLE_TIMEOUT
        #  value: "3600s"
        {{- if eq .Values.ingress.type "NodePort" }}
        nodeSelector:
          node.kubernetes.io/ingress.public: "30080_30443"
        {{- end }}
        resources:
          limits:
            #cpu: 2000m
            memory: 1024Mi
          requests:
            cpu: 100m
            memory: 64Mi
        strategy:
          rollingUpdate:
            maxSurge: 100%
            maxUnavailable: 25%
        overlays:
        - apiVersion: apps/v1
          kind: Deployment
          name: istio-ingressgateway
          patches:
            - path: spec.template.spec.containers.[name:istio-proxy].lifecycle
              value: {"preStop": {"exec": {"command": ["sh", "-c", "curl -X POST http://localhost:15000/healthcheck/fail && sleep 30"]}}}
            - path: spec.template.spec.terminationGracePeriodSeconds
              value: 90

      name: istio-ingressgateway
    pilot:
      enabled: true
      k8s:
        replicaCount: {{ .Values.istiod.replicaCount }}
        nodeSelector:
          node-role.kubernetes.io/master: ""
        tolerations:
        - effect: NoSchedule
          key: node-role.kubernetes.io/master
        resources:
          requests:
            cpu: 100m
            memory: 128Mi
    policy:
      enabled: true
      k8s:
        replicaCount: {{ .Values.istiod.replicaCount }}
        nodeSelector:
          node-role.kubernetes.io/master: ""
        tolerations:
        - effect: NoSchedule
          key: node-role.kubernetes.io/master

    telemetry:
      enabled: false
  meshConfig:
    accessLogFile: /dev/stdout
    accessLogEncoding: 'JSON'
  values:
    gateways:
      istio-ingressgateway:
        autoscaleEnabled: {{ .Values.ingress.autoscaleEnabled }}
        externalTrafficPolicy: Local
        labels:
          app: istio-ingressgateway
          istio: ingressgateway
        meshExpansionPorts: []
        podAntiAffinityLabelSelector:
        - key: app
          operator: In
          topologyKey: kubernetes.io/hostname
          values: istio-ingressgateway
        type: {{ default "NodePort" .Values.ingress.type }}
        ports:
        - name: http-status
          port: 15021
          {{- if eq .Values.ingress.type "NodePort" }}
          nodePort: 30021
          {{- end }}
        - name: http2
          port: 80
          targetPort: 8080
          {{- if eq .Values.ingress.type "NodePort" }}
          nodePort: 30080
          {{- end }}
        - name: https
          port: 443
          targetPort: 8443
          {{- if eq .Values.ingress.type "NodePort" }}
          nodePort: 30443
          {{- end }}
    global:
      jwtPolicy: first-party-jwt
      logAsJson: true
      defaultPodDisruptionBudget:
        enabled: false
    pilot:
      autoscaleEnabled: false
    mixer:
      policy:
        autoscaleEnabled: false