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@ -39,6 +39,8 @@ const (
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TemplatesDir = "templates"
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// ChartsDir is the relative directory name for charts dependencies.
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ChartsDir = "charts"
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// TemplatesTestsDir is the relative directory name for tests.
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TemplatesTestsDir = TemplatesDir + sep + "tests"
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// IgnorefileName is the name of the Helm ignore file.
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IgnorefileName = ".helmignore"
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// IngressFileName is the name of the example ingress file.
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@ -47,10 +49,14 @@ const (
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DeploymentName = TemplatesDir + sep + "deployment.yaml"
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// ServiceName is the name of the example service file.
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ServiceName = TemplatesDir + sep + "service.yaml"
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// ServiceAccountName is the name of the example serviceaccount file.
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ServiceAccountName = TemplatesDir + sep + "serviceaccount.yaml"
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// NotesName is the name of the example NOTES.txt file.
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NotesName = TemplatesDir + sep + "NOTES.txt"
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// HelpersName is the name of the example NOTES.txt file.
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// HelpersName is the name of the example helpers file.
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HelpersName = TemplatesDir + sep + "_helpers.tpl"
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// TestConnectionName is the name of the example test file.
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TestConnectionName = TemplatesTestsDir + sep + "test-connection.yaml"
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)
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const sep = string(filepath.Separator)
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@ -88,9 +94,28 @@ image:
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repository: nginx
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pullPolicy: IfNotPresent
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imagePullSecrets: []
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nameOverride: ""
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fullnameOverride: ""
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serviceAccount:
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# Specifies whether a service account should be created
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create: true
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# The name of the service account to use.
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# If not set and create is true, a name is generated using the fullname template
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name:
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podSecurityContext: {}
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# fsGroup: 2000
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securityContext: {}
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# capabilities:
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# drop:
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# - ALL
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# readOnlyRootFilesystem: true
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# runAsNonRoot: true
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# runAsUser: 1000
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service:
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type: ClusterIP
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port: 80
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@ -103,7 +128,6 @@ ingress:
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hosts:
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- host: chart-example.local
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paths: []
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tls: []
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# - secretName: chart-example-tls
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# hosts:
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@ -149,16 +173,13 @@ const defaultIgnore = `# Patterns to ignore when building packages.
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.project
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.idea/
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*.tmproj
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.vscode/
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`
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const defaultIngress = `{{- if .Values.ingress.enabled -}}
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{{- $fullName := include "<CHARTNAME>.fullname" . -}}
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{{- $svcPort := .Values.service.port -}}
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{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
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apiVersion: networking.k8s.io/v1
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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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@ -210,8 +231,17 @@ spec:
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labels:
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{{- include "<CHARTNAME>.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 "<CHARTNAME>.serviceAccountName" . }}
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securityContext:
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{{- toYaml .Values.podSecurityContext | nindent 8 }}
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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 }}:{{ .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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ports:
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@ -259,6 +289,16 @@ spec:
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{{- include "<CHARTNAME>.selectorLabels" . | nindent 4 }}
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`
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const defaultServiceAccount = `{{- 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 "<CHARTNAME>.serviceAccountName" . }}
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labels:
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{{ include "<CHARTNAME>.labels" . | nindent 4 }}
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{{- end -}}
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`
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const defaultNotes = `1. Get the application URL by running these commands:
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{{- if .Values.ingress.enabled }}
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{{- range $host := .Values.ingress.hosts }}
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@ -267,16 +307,16 @@ const defaultNotes = `1. Get the application URL by running these commands:
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{{- end }}
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{{- end }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "<CHARTNAME>.fullname" . }})
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export NODE_IP=$(kubectl get nodes -o jsonpath="{.items[0].status.addresses[0].address}")
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "<CHARTNAME>.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:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get svc -w {{ include "<CHARTNAME>.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc {{ include "<CHARTNAME>.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
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You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "<CHARTNAME>.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "<CHARTNAME>.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
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echo http://$SERVICE_IP:{{ .Values.service.port }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods -l "app.kubernetes.io/name={{ include "<CHARTNAME>.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "<CHARTNAME>.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl port-forward $POD_NAME 8080:80
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{{- end }}
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@ -334,6 +374,34 @@ Selector labels
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app.kubernetes.io/name: {{ include "<CHARTNAME>.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 "<CHARTNAME>.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create -}}
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{{ default (include "<CHARTNAME>.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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`
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const defaultTestConnection = `apiVersion: v1
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kind: Pod
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metadata:
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name: "{{ include "<CHARTNAME>.fullname" . }}-test-connection"
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labels:
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{{ include "<CHARTNAME>.labels" . | nindent 4 }}
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annotations:
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"helm.sh/hook": test-success
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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 "<CHARTNAME>.fullname" . }}:{{ .Values.service.port }}']
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restartPolicy: Never
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`
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// CreateFrom creates a new chart, but scaffolds it from the src chart.
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@ -431,6 +499,11 @@ func Create(name, dir string) (string, error) {
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path: filepath.Join(cdir, ServiceName),
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content: transform(defaultService, name),
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},
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{
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// serviceaccount.yaml
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path: filepath.Join(cdir, ServiceAccountName),
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content: transform(defaultServiceAccount, name),
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},
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{
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// NOTES.txt
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path: filepath.Join(cdir, NotesName),
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@ -441,6 +514,11 @@ func Create(name, dir string) (string, error) {
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path: filepath.Join(cdir, HelpersName),
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content: transform(defaultHelpers, name),
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},
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{
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// test-connection.yaml
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path: filepath.Join(cdir, TestConnectionName),
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content: transform(defaultTestConnection, name),
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},
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}
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for _, file := range files {
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