[add] mychart helm chart

mychart/Chart.yaml

+apiVersion: v1
+appVersion: "1.0"
+description: A Helm chart for Kubernetes
+name: mychart
+version: 0.1.0
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mychart/templates/NOTES.txt

+Thank you for installing {{ .Chart.Name }}.
+
+Your release is named {{ .Release.Name }}.
+
+To learn more about the release, try:
+
+  $ helm status {{ .Release.Name }}
+  $ helm get {{ .Release.Name }}
+  
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mychart/templates/_helpers.tpl

+{{/* 生成基本的lables标签 */}}
+{{- define "mychart.labels" }}
+from: helm
+date: {{ now | htmlDate }}
+chart: {{ .Chart.Name }}
+version: {{ .Chart.Version }}
+{{- end }}
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mychart/templates/configmap.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-configmap
+  labels:
+{{- include "mychart.labels" . | indent 4}}
+data:
+  app: mychart
+  myvalue: {{ .Values.hello | default  "Hello World" | quote }}
+  {{- $releaseName := .Release.Name }}
+  {{- with .Values.course }}
+  k8s: {{ .k8s | upper | quote }}
+  python: {{ .python | repeat 5 | quote }}
+  release: {{ $releaseName }}
+  {{- if eq .python "django" }}
+  web: true
+  {{- end }}
+  {{- end }}
+  courselist:
+  {{- range $index, $course := .Values.courselist }}
+  - {{ $index }}: {{ $course | title | quote }}
+  {{- end }}
+  {{- range $key, $val := .Values.course }}
+  {{ $key }}: {{ $val | upper | quote }}
+  {{- end }}
+{{- include "mychart.labels" . | indent 2 }}
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mychart/values.yaml

+course:
+  k8s: devops
+  python: django
+courselist:
+- k8s
+- python
+- search
+- golang
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