我在
_helpers.tpl
中将标签作为多行字符串,如下所示。我怎样才能将其转换为逗号分隔的列表。
_helpers.tpl:-
{{- define "mongo.selectorLabels" -}}
app: {{ include "mongo.name" . }}
release: {{ .Release.Name }}
{{- end }}
期待:
模板/yaml:-
env:
- name: MONGO_SIDECAR_POD_LABELS
value: "{{- include "mongo.sidecar.pod.labels" . }}"
value: "app=mongo,release=dev"
我正在尝试的伪代码。
_helpers.tpl:-
{{- define "mongo.sidecar.pod.labels" -}}
{{- $list := list -}}
{{- range $k, $v := ( include "mongo.selectorLabels" ) -}}
{{- $list = append $list (printf "%s=\"%s\"" $k $v) -}}
{{- end -}}
{{ join ", " $list }}
{{- end -}}
我可以将值转换为
=
分隔的键值对。我们如何用 ,
将它们连接起来并合并为单行。
{{- define "mongo.sidecar.pod.labels" -}}
{{ $lines := splitList "\n" ( include "mongo.selectorLabels" .| nindent 1) -}}
{{- range $lines }}
{{- if not (. | trim | empty) -}}
{{- $kv := . | splitn ":" 2 -}}
{{ printf "%s=%s" $kv._0 ($kv._1 | trim) }}
{{ end -}}
{{- end -}}
{{- end -}}
以上代码的输出:-
env:
- name: MONGO_SIDECAR_POD_LABELS
value: " app=mongo
release=v1
"