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Add Helm chart templates for host-listener-catchup-only deployment
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‎charts/coprocessor/templates/_helpers.tpl‎

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{{- default $hostListenerPollerNameDefault .Values.hostListenerPoller.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- define "hostListenerCatchupOnlyName" -}}
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{{- $hostListenerCatchupOnlyNameDefault := printf "%s-%s" .Release.Name "host-listener-catchup-only" }}
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{{- default $hostListenerCatchupOnlyNameDefault .Values.hostListenerCatchupOnly.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- define "txSenderName" -}}
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{{- $txSenderNameDefault := printf "%s-%s" .Release.Name "tx-sender" }}
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{{- default $txSenderNameDefault .Values.txSender.nameOverride | trunc 63 | trimSuffix "-" -}}

‎charts/coprocessor/templates/coprocessor-host-listener-catchup-only-deployment.yaml‎

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{{- if .Values.hostListenerCatchupOnly.enabled -}}
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app: coprocessor-host-listener-catchup-only
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app.kubernetes.io/name: {{ include "hostListenerCatchupOnlyName" . }}
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name: {{ include "hostListenerCatchupOnlyName" . }}
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spec:
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replicas: {{ .Values.hostListenerCatchupOnly.replicas }}
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selector:
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matchLabels:
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app: coprocessor-host-listener-catchup-only
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{{- if .Values.hostListenerCatchupOnly.updateStrategy }}
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strategy:
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{{- toYaml .Values.hostListenerCatchupOnly.updateStrategy | nindent 4 }}
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{{- end }}
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template:
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metadata:
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labels:
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app: coprocessor-host-listener-catchup-only
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app.kubernetes.io/name: {{ include "hostListenerCatchupOnlyName" . }}
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{{- with .Values.podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.podAnnotations }}
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annotations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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imagePullSecrets:
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- name: registry-credentials
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restartPolicy: Always
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{{- if and .Values.hostListenerCatchupOnly.affinity .Values.hostListenerCatchupOnly.affinity.enabled }}
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affinity:
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{{ toYaml (omit .Values.hostListenerCatchupOnly.affinity "enabled") | indent 8 }}
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{{- end }}
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{{- if and .Values.hostListenerCatchupOnly.tolerations .Values.hostListenerCatchupOnly.tolerations.enabled }}
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tolerations:
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{{ toYaml .Values.hostListenerCatchupOnly.tolerations.items | indent 8 }}
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{{- end }}
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{{- if .Values.hostListenerCatchupOnly.serviceAccountName }}
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serviceAccountName: {{ .Values.hostListenerCatchupOnly.serviceAccountName }}
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{{- end }}
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containers:
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- name: coprocessor-host-listener-catchup-only
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image: {{ .Values.hostListenerCatchupOnly.image.name }}:{{ .Values.hostListenerCatchupOnly.image.tag }}
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command: ["host_listener"]
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args:
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{{ toYaml .Values.hostListenerCatchupOnly.args | nindent 12 }}
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env:
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{{ toYaml .Values.hostListenerCatchupOnly.env | nindent 12 }}
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ports:
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{{- range $portName, $portValue := .Values.hostListenerCatchupOnly.ports }}
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- name: {{ $portName }}
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containerPort: {{ $portValue }}
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protocol: TCP
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{{- end }}
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resources:
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requests:
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cpu: {{ .Values.hostListenerCatchupOnly.resources.requests.cpu | default "100m" }}
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memory: {{ .Values.hostListenerCatchupOnly.resources.requests.memory | default "256Mi" }}
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limits:
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cpu: {{ .Values.hostListenerCatchupOnly.resources.limits.cpu | default "500m" }}
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memory: {{ .Values.hostListenerCatchupOnly.resources.limits.memory | default "512Mi" }}
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{{- if and .Values.hostListenerCatchupOnly.probes .Values.hostListenerCatchupOnly.probes.liveness.enabled }}
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livenessProbe:
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{{ toYaml (omit .Values.hostListenerCatchupOnly.probes.liveness "enabled") | nindent 12 }}
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{{- end }}
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{{- if and .Values.hostListenerCatchupOnly.probes .Values.hostListenerCatchupOnly.probes.readiness.enabled }}
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readinessProbe:
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{{ toYaml (omit .Values.hostListenerCatchupOnly.probes.readiness "enabled") | nindent 12 }}
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{{- end }}
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{{- end -}}

‎charts/coprocessor/templates/coprocessor-host-listener-catchup-only-service-monitor.yaml‎

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{{- if .Values.hostListenerCatchupOnly.serviceMonitor.enabled -}}
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apiVersion: monitoring.coreos.com/v1
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kind: ServiceMonitor
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metadata:
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labels:
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app: coprocessor-host-listener-catchup-only
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app.kubernetes.io/name: {{ include "hostListenerCatchupOnlyName" . }}
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name: {{ include "hostListenerCatchupOnlyName" . }}
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spec:
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selector:
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matchLabels:
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app: coprocessor-host-listener-catchup-only
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app.kubernetes.io/name: {{ include "hostListenerCatchupOnlyName" . }}
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endpoints:
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- port: metrics
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{{- end -}}

‎charts/coprocessor/templates/coprocessor-host-listener-catchup-only-service.yaml‎

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{{- if .Values.hostListenerCatchupOnly.enabled }}
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: coprocessor-host-listener-catchup-only
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app.kubernetes.io/name: {{ include "hostListenerCatchupOnlyName" . }}
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name: {{ include "hostListenerCatchupOnlyName" . }}
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spec:
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ports:
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- name: metrics
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port: {{ .Values.hostListenerCatchupOnly.ports.metrics }}
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targetPort: metrics
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- name: healthcheck
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port: {{ .Values.hostListenerCatchupOnly.ports.healthcheck }}
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targetPort: healthcheck
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selector:
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app: coprocessor-host-listener-catchup-only
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app.kubernetes.io/name: {{ include "hostListenerCatchupOnlyName" . }}
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type: ClusterIP
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{{- end }}

‎charts/coprocessor/values.yaml‎

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maxSurge: 1
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maxUnavailable: 0
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# -----------------------------------------------------------------------------
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# Host Listener Catchup Only
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# -----------------------------------------------------------------------------
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# Host listener variant that runs only the catchup loop without real-time subscription.
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hostListenerCatchupOnly:
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enabled: false
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nameOverride:
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image:
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name: ghcr.io/zama-ai/fhevm-coprocessor
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tag: v0.10.0
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replicas: 1
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# Environment variables
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env:
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- name: DATABASE_URL
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valueFrom:
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secretKeyRef:
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name: coprocessor-db-url
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key: coprocessor-db-url
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- name: TENANT_API_KEY
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valueFrom:
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secretKeyRef:
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name: coprocessor-api-key
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key: coprocessor-api-key
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# Command line arguments for the host listener catchup only mode
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# NOTE: --only-catchup-loop requires --end-at-block to be set
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args:
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- --database-url=$(DATABASE_URL)
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- --coprocessor-api-key=$(TENANT_API_KEY)
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- --url=$(ETHEREUM_RPC_URL)
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- --acl-contract-address=$(ACL_CONTRACT_ADDRESS)
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- --tfhe-contract-address=$(FHEVM_EXECUTOR_CONTRACT_ADDRESS)
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- --initial-block-time=12
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- --log-level=INFO
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- --health-port=8080
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- --dependence-cache-size=128
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- --reorg-maximum-duration-in-blocks=50
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- --service-name="host-listener-catchup-only"
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- --catchup-finalization-in-blocks=20
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### Catchup-only specific parameters (required)
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- --only-catchup-loop
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- --end-at-block=-15 # Relative to latest block (negative value)
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- --catchup-loop-sleep-secs=60
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### Optional catchup parameters
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# - --start-at-block # To catch up from a specific block
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# - --catchup-margin
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# - --catchup-paging
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# Service ports configuration
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ports:
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metrics: 9100
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healthcheck: 8080
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serviceMonitor:
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enabled: false
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serviceAccountName:
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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limits:
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cpu: 500m
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memory: 512Mi
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# Health check probes
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probes:
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liveness:
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enabled: false
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httpGet:
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path: /liveness
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port: healthcheck
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initialDelaySeconds: 10
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periodSeconds: 10
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readiness:
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enabled: false
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httpGet:
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path: /healthz
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port: healthcheck
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initialDelaySeconds: 5
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periodSeconds: 10
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affinity:
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enabled: false
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tolerations:
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enabled: false
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items: []
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updateStrategy:
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type: RollingUpdate
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rollingUpdate:
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maxSurge: 1
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maxUnavailable: 0
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# -----------------------------------------------------------------------------
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# Gateway Listener
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# -----------------------------------------------------------------------------

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