# 必须要有的三个字段  
apiVersion: v2				# 指定Helm Chart的API版本，帮助Helm识别Chart的结构
name: wordpress				# chart名称
version: 24.1.5				# chart包自身的版本
appVersion: 6.7.1			# 应用版本（可选）
type: application			# application(应用类型，用于部署具体应用)或library(库类型，通常作为依赖项)（可选）
dependencies:												# 依赖列表（按需）
- name: memcached												# 依赖chart的名称
  version: 7.x.x												# 依赖chart的版本
  repository: "file://../memcached"								# 依赖chart的仓库地址  
description: functional websites							# 描述信息（可选）
keywords:													# 搜索优化，决定哪些关键字能搜索到自己（可选）
- blog
- wordpress

global:						# 全局参数
  imageRegistry: ""
  imagePullSecrets: []

image:
  registry: docker.io
  repository: bitnami/wordpress
  tag: 6.7.1-debian-12-r9

memcached:		# 明确定义传递给某个依赖chart包的参数
  max_connections: 100
  password: xxxxxx

apiVersion: v2
name: logapp
description: A Helm chart for a logging application
version: 1.0.0
dependencies:
  - name: log-component
    version: "0.1.0"
    repository: "file://../log-component"
    alias: log-collector
  - name: log-component
    version: "0.1.0"
    repository: "file://../log-component"
    alias: log-processor

log-collector:
  replicaCount: 2
log-processor:
  replicaCount: 1

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  {{ if eq .Values.favorite.drink "coffee" }}mug: true{{ end }}

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  {{- if and (eq .Values.favorite.drink "coffee") (gt (int .Values.replicaCount) 3) }}
  mug: true
  {{- end }}

db:
  debugMode: true
  dbinfo:
    user: egon
    pass: "123"
    port: 3306

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  {{- with .Values.db.dbinfo }}
  user: {{ .user }}
  pass: {{ .pass }}
  port: {{ .port }}
  {{- end }}
  release: {{ .Release.Name }}  # 内置对象的访问要从with内拿出来 ，或者使用变量的方式，在range作用域中举例

favorite:
  drink: coffee
  food: pizza
names:
  - egon
  - lili
  - jack
  - tom

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  myvalue: "Hello World"

  nameList1: |-
    {{- $relname := .Release.Name -}}		# 这里定义了一个变量，代替了一个对象的值
    {{- range .Values.names }}
    - "{{ . | title }}-{{ $relname }}"		# 在作用域中使用变量，解决了作用域中不能使用内置对象的缺陷
    {{- end }}   

  nameList2: |-
    {{- range tuple "EGON1" "EGON2" "EGON3" }} # 直接声明一个数组来遍历
    - {{ . }}-{{ $relname }}
    {{- end }}

  nameList3: |-
    {{- range .Values.favorite }}
    - {{ . | quote }}
    {{- end }}

  nameList4: |-
    {{- range $key,$value := .Values.favorite }}
    {{ $key }}: {{ $value | quote }}
    {{- end }}


  nameList5: |-
    {{- range $index,$value := .Values.names }}
    {{ $index }}: {{ $value | quote }}
    {{- end }}

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  myvalue: "Hello World"
  drink: {{ .Values.favorite.drink | default "tea" | quote }}
  food: {{ .Values.favorite.food |default "abc" | upper | quote }}
  {{- if and (eq .Values.favorite.drink "coffee") (gt (int .Values.replicaCount) 3)}}
  {{ nindent 2 "mug: true" }}
  {{- end }}
  xxx: aaaa
  yyy: bbbb

{{/* Generate basic labels */}}
{{- define "mychart.labels" }}
  labels:
    generator: helm
    date: {{ now | htmlDate }}
{{- end }}

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
  {{- template "mychart.labels" }}			# 通过template方式引用，不支持管道，可以使用include替代
  {{ include "mychart.app" . | indent 4 }}		# 可以使用管道
data:
  myvalue: "Hello World"
  {{- range $key, $val := .Values.favorite }}
  {{ $key }}: {{ $val | quote }}
  {{- end }}