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Helm charts
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‎Makefile

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.PHONY: all deps docker docker-cgo clean docs test test-race fmt lint install deploy-docs
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TAGS =
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INSTALL_DIR = $(GOPATH)/bin
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DEST_DIR = ./target
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PATHINSTBIN = $(DEST_DIR)/bin
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PATHINSTDOCKER = $(DEST_DIR)/docker
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VERSION := $(shell git describe --tags || echo "v0.0.0")
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VER_CUT := $(shell echo $(VERSION) | cut -c2-)
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VER_MAJOR := $(shell echo $(VER_CUT) | cut -f1 -d.)
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VER_MINOR := $(shell echo $(VER_CUT) | cut -f2 -d.)
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VER_PATCH := $(shell echo $(VER_CUT) | cut -f3 -d.)
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VER_RC := $(shell echo $(VER_PATCH) | cut -f2 -d-)
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DATE := $(shell date +"%Y-%m-%dT%H:%M:%SZ")
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LD_FLAGS = -w -s
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GO_FLAGS =
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DOCS_FLAGS =
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APPS = contract-event-processor
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all: $(APPS)
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install: $(APPS)
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@mkdir -p bin
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@cp $(PATHINSTBIN)/contract-event-processor ./bin/
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deps:
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@go mod tidy
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@go mod vendor
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SOURCE_FILES = $(shell find lib internal -type f -name "*.go")
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$(PATHINSTBIN)/%: $(SOURCE_FILES)
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@go build $(GO_FLAGS) -tags "$(TAGS)" -ldflags "$(LD_FLAGS) " -o $@ ./cmd/$*
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$(APPS): %: $(PATHINSTBIN)/%
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docker-tags:
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@echo "latest,$(VER_CUT),$(VER_MAJOR).$(VER_MINOR),$(VER_MAJOR)" > .tags
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docker-rc-tags:
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@echo "latest,$(VER_CUT),$(VER_MAJOR)-$(VER_RC)" > .tags
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docker-cgo-tags:
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@echo "latest-cgo,$(VER_CUT)-cgo,$(VER_MAJOR).$(VER_MINOR)-cgo,$(VER_MAJOR)-cgo" > .tags
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docker: deps
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@docker build -f ./resources/docker/Dockerfile . -t dimozone/contract-event-processor:$(VER_CUT)
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@docker tag dimozone/contract-event-processor:$(VER_CUT) dimozone/contract-event-processor:latest
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docker-cgo: deps
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@docker build -f ./resources/docker/Dockerfile.cgo . -t dimozone/contract-event-processor:$(VER_CUT)-cgo
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@docker tag dimozone/contract-event-processor:$(VER_CUT)-cgo dimozone/contract-event-processor:latest-cgo
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fmt:
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@go list -f {{.Dir}} ./... | xargs -I{} gofmt -w -s {}
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@go mod tidy
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lint:
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@go vet $(GO_FLAGS) ./...
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test: $(APPS)
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@go test $(GO_FLAGS) -timeout 3m -race ./...
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@$(PATHINSTBIN)/contract-event-processor test ./config/test/...
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clean:
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rm -rf $(PATHINSTBIN)
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rm -rf $(DEST_DIR)/dist
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rm -rf $(PATHINSTDOCKER)

‎charts/contract-event-processor/Chart.yaml

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apiVersion: v2
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name: contract-event-processor
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description: A Helm chart for Kubernetes
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 0.1.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "1.16.0"

‎charts/contract-event-processor/templates/NOTES.txt

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1. Get the application URL by running these commands:
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{{- if .Values.ingress.enabled }}
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{{- range $host := .Values.ingress.hosts }}
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{{- range .paths }}
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http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
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{{- end }}
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{{- end }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "contract-event-processor.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "contract-event-processor.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "contract-event-processor.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
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echo http://$SERVICE_IP:{{ .Values.service.port }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "contract-event-processor.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
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{{- end }}

‎charts/contract-event-processor/templates/_helpers.tpl

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "contract-event-processor.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "contract-event-processor.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "contract-event-processor.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "contract-event-processor.labels" -}}
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helm.sh/chart: {{ include "contract-event-processor.chart" . }}
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{{ include "contract-event-processor.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "contract-event-processor.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "contract-event-processor.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "contract-event-processor.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "contract-event-processor.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}

‎charts/contract-event-processor/templates/cronjob.yaml

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{{- if .Values.cronJob.enabled }}
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apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: {{ include "contract-event-processor.fullname" . }}-load-dd
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "contract-event-processor.labels" . | nindent 4 }}
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spec:
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schedule: {{ .Values.cronJob.schedule | quote}}
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concurrencyPolicy: "Forbid"
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jobTemplate:
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spec:
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template:
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metadata:
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annotations:
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{{- with .Values.podAnnotations }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "contract-event-processor.selectorLabels" . | nindent 12 }}
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spec:
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containers: []
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restartPolicy: OnFailure
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{{ end }}

‎charts/contract-event-processor/templates/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "contract-event-processor.fullname" . }}
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "contract-event-processor.labels" . | nindent 4 }}
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spec:
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{{- if not .Values.autoscaling.enabled }}
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replicas: {{ .Values.replicaCount }}
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{{- end }}
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selector:
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matchLabels:
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{{- include "contract-event-processor.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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annotations:
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checksum/config: {{ include (print $.Template.BasePath "/envconfigmap.yaml") . | sha256sum }}
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{{- with .Values.podAnnotations }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "contract-event-processor.selectorLabels" . | nindent 8 }}
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spec:
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topologySpreadConstraints:
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- maxSkew: 1
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topologyKey: topology.kubernetes.io/zone
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whenUnsatisfiable: ScheduleAnyway
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labelSelector:
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matchLabels:
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{{- include "contract-event-processor.selectorLabels" . | nindent 12 }}
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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serviceAccountName: {{ include "contract-event-processor.serviceAccountName" . }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}
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initContainers:
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- name: migrate
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securityContext:
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{{- toYaml .Values.securityContext | nindent 12 }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
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command: ['sh', '-c', "/contract-event-processor migrate"]
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envFrom:
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- configMapRef:
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name: {{ include "contract-event-processor.fullname" . }}-config
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- secretRef:
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name: {{ include "contract-event-processor.fullname" . }}-secret
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containers:
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- name: {{ .Chart.Name }}
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securityContext:
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{{- toYaml .Values.securityContext | nindent 12 }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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envFrom:
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- configMapRef:
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name: {{ include "contract-event-processor.fullname" . }}-config
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- secretRef:
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name: {{ include "contract-event-processor.fullname" . }}-secret
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ports:
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{{ toYaml .Values.ports | indent 12 }}
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livenessProbe:
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httpGet:
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path: /
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port: mon-http
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readinessProbe:
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httpGet:
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path: /
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port: mon-http
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}

‎charts/contract-event-processor/templates/envconfigmap.yaml

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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ include "contract-event-processor.fullname" . }}-config
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namespace: {{ .Release.Namespace }}
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labels:
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{{- include "contract-event-processor.labels" . | nindent 4 }}
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data:
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{{- range $key, $val := .Values.env }}
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{{ $key }} : {{ $val | quote}}
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{{- end}}

‎charts/contract-event-processor/templates/hpa.yaml

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{{- if .Values.autoscaling.enabled }}
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apiVersion: autoscaling/v2beta1
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kind: HorizontalPodAutoscaler
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metadata:
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name: {{ include "contract-event-processor.fullname" . }}
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labels:
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{{- include "contract-event-processor.labels" . | nindent 4 }}
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spec:
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scaleTargetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: {{ include "contract-event-processor.fullname" . }}
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minReplicas: {{ .Values.autoscaling.minReplicas }}
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maxReplicas: {{ .Values.autoscaling.maxReplicas }}
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metrics:
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{{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
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- type: Resource
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resource:
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name: cpu
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targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
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{{- end }}
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{{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
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- type: Resource
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resource:
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name: memory
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targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
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{{- end }}
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{{- end }}

‎charts/contract-event-processor/templates/ingress.yaml

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{{- if .Values.ingress.enabled -}}
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{{- $fullName := include "contract-event-processor.fullname" . -}}
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{{- $svcPort := .Values.service.port -}}
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{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
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{{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
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{{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
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{{- end }}
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{{- end }}
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{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
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apiVersion: networking.k8s.io/v1
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{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
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apiVersion: networking.k8s.io/v1beta1
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{{- else -}}
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apiVersion: extensions/v1beta1
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{{- end }}
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kind: Ingress
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metadata:
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name: {{ $fullName }}
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labels:
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{{- include "contract-event-processor.labels" . | nindent 4 }}
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{{- with .Values.ingress.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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spec:
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{{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
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ingressClassName: {{ .Values.ingress.className }}
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{{- end }}
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{{- if .Values.ingress.tls }}
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tls:
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{{- range .Values.ingress.tls }}
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- hosts:
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{{- range .hosts }}
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- {{ . | quote }}
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{{- end }}
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secretName: {{ .secretName }}
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{{- end }}
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{{- end }}
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rules:
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{{- range .Values.ingress.hosts }}
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- host: {{ .host | quote }}
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http:
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paths:
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{{- range .paths }}
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- path: {{ .path }}
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{{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
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pathType: {{ .pathType }}
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{{- end }}
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backend:
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{{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
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service:
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name: {{ $fullName }}
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port:
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number: 8080
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{{- else }}
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serviceName: {{ $fullName }}
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servicePort: {{ $svcPort }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}

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