Create Helm Chart (#43)
* chore: initial commit of helm chart yaml * chore: add docs and reset ingress classname default * chore: helm repo add and install documentation * chore: add env variables to deployment and values * fix: remove port env variable
This commit is contained in:
Nathan Lanier
GitHub
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commit
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22
chart/templates/NOTES.txt
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22
chart/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 "christmas-community.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:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "christmas-community.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "christmas-community.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 "christmas-community.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 }}
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62
chart/templates/_helpers.tpl
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62
chart/templates/_helpers.tpl
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@ -0,0 +1,62 @@
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "christmas-community.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 "christmas-community.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 "christmas-community.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 "christmas-community.labels" -}}
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helm.sh/chart: {{ include "christmas-community.chart" . }}
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{{ include "christmas-community.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 "christmas-community.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "christmas-community.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 "christmas-community.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "christmas-community.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 }}
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148
chart/templates/deployment.yaml
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148
chart/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 "christmas-community.fullname" . }}
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labels:
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{{- include "christmas-community.labels" . | nindent 4 }}
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spec:
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selector:
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matchLabels:
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{{- include "christmas-community.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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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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labels:
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{{- include "christmas-community.selectorLabels" . | nindent 8 }}
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spec:
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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 "christmas-community.serviceAccountName" . }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}
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volumes:
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- name: {{ include "christmas-community.fullname" . }}-pv
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persistentVolumeClaim:
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claimName: {{ include "christmas-community.fullname" . }}-pvc
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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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volumeMounts:
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- name: {{ include "christmas-community.fullname" . }}-pv
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mountPath: {{- toYaml .Values.persistence.mountPath | indent 8}}
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{{- if .Values.env}}
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env:
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{{- if .Values.env.DB_PREFIX }}
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- name: DB_PREFIX
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value: {{ .Values.env.DB_PREFIX }}
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{{- end}}
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{{- if .Values.env.DEFAULT_FAILURE_REDIRECT }}
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- name: DEFAULT_FAILURE_REDIRECT
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value: {{ .Values.env.DEFAULT_FAILURE_REDIRECT }}
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{{- end}}
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{{- if .Values.env.DB_EXPOSE_PORT }}
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- name: DB_EXPOSE_PORT
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value: {{ .Values.env.DB_EXPOSE_PORT }}
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{{- end}}
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{{- if .Values.env.PROXY_SERVER }}
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- name: PROXY_SERVER
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value: {{ .Values.env.PROXY_SERVER }}
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{{- end}}
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{{- if .Values.env.SECRET }}
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- name: SECRET
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value: {{ .Values.env.SECRET }}
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{{- end}}
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{{- if .Values.env.SESSION_MAX_AGE }}
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- name: SESSION_MAX_AGE
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value: {{ .Values.env.SESSION_MAX_AGE }}
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{{- end}}
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{{- if .Values.env.SITE_TITLE }}
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- name: SITE_TITLE
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value: {{ .Values.env.SITE_TITLE }}
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{{- end}}
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{{- if .Values.env.SHORT_TITLE }}
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- name: SHORT_TITLE
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value: {{ .Values.env.SHORT_TITLE }}
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{{- end}}
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{{- if .Values.env.ROOT_PATH }}
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- name: ROOT_PATH
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value: {{ .Values.env.ROOT_PATH }}
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{{- end}}
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{{- if .Values.env.TRUST_PROXY }}
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- name: TRUST_PROXY
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value: {{ .Values.env.TRUST_PROXY }}
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{{- end}}
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{{- if .Values.env.BULMASWATCH }}
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- name: BULMASWATCH
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value: {{ .Values.env.BULMASWATCH }}
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{{- end}}
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{{- if .Values.env.DB_PREFIX }}
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- name: DB_PREFIX
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value: {{ .Values.env.DB_PREFIX }}
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{{- end}}
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{{- if .Values.env.UPDATE_CHECK }}
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- name: UPDATE_CHECK
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value: {{ .Values.env.UPDATE_CHECK }}
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{{- end}}
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{{- if .Values.env.PFP }}
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- name: PFP
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value: {{ .Values.env.PFP }}
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{{- end}}
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{{- if .Values.env.LANGUAGE }}
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- name: LANGUAGE
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value: {{ .Values.env.LANGUAGE }}
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{{- end}}
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{{- if .Values.env.SINGLE_LIST }}
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- name: SINGLE_LIST
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value: {{ .Values.env.SINGLE_LIST }}
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{{- end}}
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{{- if .Values.env.LISTS_PUBLIC }}
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- name: LISTS_PUBLIC
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value: {{ .Values.env.LISTS_PUBLIC }}
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{{- end}}
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{{- if .Values.env.TABLE }}
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- name: TABLE
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value: {{ .Values.env.TABLE }}
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{{- end}}
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{{- if .Values.env.SMILE }}
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- name: SMILE
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value: {{ .Values.env.SMILE }}
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{{- end}}
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{{- if .Values.env.MARKDOWN }}
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- name: MARKDOWN
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value: {{ .Values.env.MARKDOWN }}
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{{- end }}
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{{- end }}
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ports:
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- name: http
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containerPort: 80
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protocol: TCP
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livenessProbe:
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httpGet:
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path: /
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port: http
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readinessProbe:
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httpGet:
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path: /
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port: 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 }}
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61
chart/templates/ingress.yaml
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61
chart/templates/ingress.yaml
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@ -0,0 +1,61 @@
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{{- if .Values.ingress.enabled -}}
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{{- $fullName := include "christmas-community.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 "christmas-community.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: {{ $svcPort }}
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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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18
chart/templates/pv.yaml
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18
chart/templates/pv.yaml
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@ -0,0 +1,18 @@
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{{- if .Values.persistence.enabled -}}
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apiVersion: v1
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kind: PersistentVolume
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metadata:
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name: {{ include "christmas-community.fullname" . }}-pv
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labels:
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{{- include "christmas-community.labels" . | nindent 4 }}
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spec:
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storageClassName: local-path
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persistentVolumeReclaimPolicy: Delete
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capacity:
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storage: 2Gi
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accessModes:
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- ReadWriteOnce
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hostPath:
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path: {{- toYaml .Values.persistence.mountPath | indent 8}}
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volumeMode: Filesystem
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{{- end }}
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17
chart/templates/pvc.yaml
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17
chart/templates/pvc.yaml
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{{- if .Values.persistence.enabled -}}
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: {{ include "christmas-community.fullname" . }}-pvc
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labels:
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{{- include "christmas-community.labels" . | nindent 4 }}
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 2Gi
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storageClassName: local-path
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volumeMode: Filesystem
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volumeName: {{ include "christmas-community.fullname" . }}-pv
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{{- end }}
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15
chart/templates/service.yaml
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15
chart/templates/service.yaml
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "christmas-community.fullname" . }}
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labels:
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{{- include "christmas-community.labels" . | nindent 4 }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: http
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protocol: TCP
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name: http
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selector:
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{{- include "christmas-community.selectorLabels" . | nindent 4 }}
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12
chart/templates/serviceaccount.yaml
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12
chart/templates/serviceaccount.yaml
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@ -0,0 +1,12 @@
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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "christmas-community.serviceAccountName" . }}
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labels:
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{{- include "christmas-community.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- end }}
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15
chart/templates/tests/test-connection.yaml
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15
chart/templates/tests/test-connection.yaml
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apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ include "christmas-community.fullname" . }}-test-connection"
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labels:
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{{- include "christmas-community.labels" . | nindent 4 }}
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annotations:
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"helm.sh/hook": test
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spec:
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containers:
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- name: wget
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image: busybox
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command: ['wget']
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args: ['{{ include "christmas-community.fullname" . }}:{{ .Values.service.port }}']
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restartPolicy: Never
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