helm chart函数

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原创 最新推荐文章于 2026-07-07 15:25:26 发布 8.2k 阅读 AI 写同款· GEO 优化 ›
Elasticsearch 报错 error At least one unigram is required but all tokens were ngrams 【代码】Elasticsearch 报错 error At least one unigram is required but all tokens were ngrams。 阅读详情

 欢迎关注我的公众号：

 目前刚开始写一个月，一共写了18篇原创文章，文章目录如下：

istio多集群探秘，部署了50次多集群后我得出的结论

istio多集群链路追踪，附实操视频

istio防故障利器，你知道几个,istio新手不要读，太难！

istio业务权限控制，原来可以这么玩

istio实现非侵入压缩，微服务之间如何实现压缩

不懂envoyfilter也敢说精通istio系列-http-rbac-不要只会用AuthorizationPolicy配置权限

不懂envoyfilter也敢说精通istio系列-02-http-corsFilter-不要只会vs

不懂envoyfilter也敢说精通istio系列-03-http-csrf filter-再也不用再代码里写csrf逻辑了

不懂envoyfilter也敢说精通istio系列http-jwt_authn-不要只会RequestAuthorization

不懂envoyfilter也敢说精通istio系列-05-fault-filter-故障注入不止是vs

不懂envoyfilter也敢说精通istio系列-06-http-match-配置路由不只是vs

不懂envoyfilter也敢说精通istio系列-07-负载均衡配置不止是dr

不懂envoyfilter也敢说精通istio系列-08-连接池和断路器

不懂envoyfilter也敢说精通istio系列-09-http-route filter

不懂envoyfilter也敢说精通istio系列-network filter-redis proxy

不懂envoyfilter也敢说精通istio系列-network filter-HttpConnectionManager

不懂envoyfilter也敢说精通istio系列-ratelimit-istio ratelimit完全手册

 


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_helper.tpl:

[root@master01 test]# cat templates/_helpers.tpl 
{{- define "mychart.labels" }}
  labels:
    generator: helm
    date: {{ now | htmlDate }}
{{- end }}
{{- define "mychart.app" -}}
app_name: {{ .Chart.Name }}
app_version: "{{.Chart.Version}}+{{now|htmlDate}}"
{{- end -}}
{{- define "namespace" -}}
    namespace: {{.Release.Namespace}}
{{- end -}}

{{- define "harbor.tplValue" -}}
    {{- if typeIs "string" .value -}}
        {{- tpl .value .context -}}
    {{- else -}}
        {{- tpl (.value | toYaml) .context -}}
    {{- end -}}
{{- end -}}

values.yaml

[root@master01 test]# cat values.yaml 
favorite:
  food: rice
  drink: coffee
  fruit:  
pizzaToppings:
  - mushrooms
  - cheese
  - peppers
  - onions 
global:
  salad: caesar
resources:
  resources:
    limits:
      cpu: 100m
      memory: 128Mi
    requests:
      cpu: 100m
hostPorts:
  http: 10
  https: 11
containerPort:
  http: 80
  https: 81
minReplicas: "1"
maxReplicas: 5
rules:
- rule1: aa
- rule2: bb
tcp: "{{.Values.maxReplicas}}"
template: "{{ .Values.name }}"
name: "Tom"
password: http://a.com/?id=123456
tag: 1.10.0-debiansha256:sss
tag2: 1.10.0-debian-9-r30
url: http://www.baidu.com
debug: true
snake: sharedBuffers
path: /etc/fstable/aa
json:
  aa: bb
  cc: dd
testYaml: | 
  containers:
    name: a
    image: b
jsonTemp: |
  {"aa":"bb","cc":"dd"}
html: |
    段落
camel: my_name_is_mark 
shuffle: mynameismark
[root@master01 test]# cat templates/if.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  myvalue: "Hello World"
  {{- if eq .Values.favorite.drink "coffee"}}
  mug: true
  {{- end}}

[root@master01 test]# helm template . --show-only templates/if.yaml
---
# Source: test/templates/if.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  myvalue: "Hello World"
  mug: true
[root@master01 test]# cat templates/ifelse.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  myvalue: "Hello World"
  {{- if eq .Values.favorite.drink "tea"}}
  mug: true
  {{- else}}
  mug: false
  {{- end}}

[root@master01 test]# helm template . --show-only templates/ifelse.yaml
---
# Source: test/templates/ifelse.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  myvalue: "Hello World"
  mug: false
[root@master01 test]# cat templates/with.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  myvalue: "Hello World"
  {{- with .Values.favorite }}
  drink: {{ .drink | default "tea" | quote }}
  food: {{ .food | upper | quote }}
  {{- end }}

[root@master01 test]# helm template . --show-only templates/with.yaml
---
# Source: test/templates/with.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  myvalue: "Hello World"
  drink: "coffee"
  food: "RICE"
[root@master01 test]# cat templates/range.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  myvalue: "Hello World"
  toppings: |-
    {{- range .Values.pizzaToppings }}
    - {{ . }}
    {{- end }}
    {{- range $key, $val := .Values.favorite }}
    {{ $key }}: {{ $val | quote }}
    {{- end}}

[root@master01 test]# helm template . --show-only templates/range.yaml
---
# Source: test/templates/range.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  myvalue: "Hello World"
  toppings: |-
    - mushrooms
    - cheese
    - peppers
    - onions
    drink: "coffee"
    food: "rice"
    fruit:
[root@master01 test]# cat templates/and.yaml 
{{- if and (gt 5 1)  (lt 3 10)}}
and: true
{{- end}}

[root@master01 test]# helm template . --show-only templates/and.yaml
---
# Source: test/templates/and.yaml
and: true
[root@master01 test]# cat templates/html.yaml 
html: |
  {{html "<html><head><title>title</title></head></html>"}}
[root@master01 test]# helm template . --show-only templates/html.yaml
---
# Source: test/templates/html.yaml
html: |
  &lt;html&gt;&lt;head&gt;&lt;title&gt;title&lt;/title&gt;&lt;/head&gt;&lt;/html&gt;
[root@master01 test]# cat templates/index.yaml 
{{- $hostPorts:=.Values.hostPorts -}}
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name}}-configmap
data:
  {{- range $name,$value := .Values.containerPort }}
  {{$name}}: {{index $hostPorts $name|default $value}}
  {{- end}}
[root@master01 test]# helm template . --show-only templates/index.yaml
---
# Source: test/templates/index.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  http: 10
  https: 11
[root@master01 test]# cat templates/slice.yaml 
{{$li:=list 1 2 4}}
slice: {{slice $li 0 1}}
[root@master01 test]# helm template . --show-only templates/slice.yaml
---
# Source: test/templates/slice.yaml
slice: [1]
[root@master01 test]# cat templates/js.yaml 
js: {{js "<script>var a=1;var b=a+1;</script>"}}
[root@master01 test]# helm template . --show-only templates/js.yaml
---
# Source: test/templates/js.yaml
js: \x3Cscript\x3Evar a=1;var b=a+1;\x3C/script\x3E
[root@master01 test]# cat templates/len.yaml 
len: {{len .Values.name}}
[root@master01 test]# helm template . --show-only templates/len.yaml
---
# Source: test/templates/len.yaml
len: 3
[root@master01 test]# cat templates/not.yaml 
{{- if not (gt 1 2)}}
not: true
{{- end}}
[root@master01 test]# helm template . --show-only templates/not.yaml
---
# Source: test/templates/not.yaml
not: true
[root@master01 test]# cat templates/or.yaml 
{{- if or (gt 1 2) (lt 1 2)}}
or: true
{{- end}}
[root@master01 test]# helm template . --show-only templates/or.yaml
---
# Source: test/templates/or.yaml
or: true
[root@master01 test]# cat templates/print.yaml 
apiVersion: v1
kind: ConfigMap
matadata:
  name: {{.Release.Name}}-configMap
data:
  {{- $name:=.Release.Name}}
  name: {{- print $name| trimSuffix "-" -}}
[root@master01 test]# helm template . --show-only templates/print.yaml
---
# Source: test/templates/print.yaml
apiVersion: v1
kind: ConfigMap
matadata:
  name: RELEASE-NAME-configMap
data:
  name:RELEASE-NAME
[root@master01 test]# cat templates/printf.yaml 
apiVersion: v1
kind: ConfigMap
matadata:
  name: {{.Release.Name}}-configmap
data:
  food: {{- printf "%s-%s" .Release.Name .Values.favorite.food|indent 1}}
[root@master01 test]# helm template . --show-only templates/printf.yaml
---
# Source: test/templates/printf.yaml
apiVersion: v1
kind: ConfigMap
matadata:
  name: RELEASE-NAME-configmap
data:
  food: RELEASE-NAME-rice
[root@master01 test]# cat templates/println.yaml 
println: |
  {{println "aaa"}}
bb: cc
[root@master01 test]# helm template . --show-only templates/println.yaml
---
# Source: test/templates/println.yaml
println: |
  aaa

bb: cc
[root@master01 test]# cat templates/urlquery.yaml 
apiVersion: v1
kind: ConfigMap
matadata: 
  name: {{.Release.Name}}-configmap
data:
  password: {{.Values.password|urlquery}}
[root@master01 test]# helm template . --show-only templates/urlquery.yaml
---
# Source: test/templates/urlquery.yaml
apiVersion: v1
kind: ConfigMap
matadata: 
  name: RELEASE-NAME-configmap
data:
  password: http%3A%2F%2Fa.com%2F%3Fid%3D123456
[root@master01 test]# cat templates/eq.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name}}-configmap
data:
  {{- if eq .Values.favorite.food "rice"}}
  like:|
    i like rice.
  {{- end}}
[root@master01 test]# helm template . --show-only templates/eq.yaml
---
# Source: test/templates/eq.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  like:|
    i like rice.
[root@master01 test]# cat templates/ge.yaml 
ge: {{ge 1 2}}
[root@master01 test]# helm template . --show-only templates/ge.yaml
---
# Source: test/templates/ge.yaml
ge: false
[root@master01 test]# cat templates/gt.yaml 
gt: {{gt 4 1}}
[root@master01 test]# helm template . --show-only templates/gt.yaml
---
# Source: test/templates/gt.yaml
gt: true
[root@master01 test]# cat templates/le.yaml 
le: {{le 1 3}}
[root@master01 test]# helm template . --show-only templates/le.yaml
---
# Source: test/templates/le.yaml
le: true
[root@master01 test]# cat templates/lt.yaml 
lt: {{lt  1 3}}
[root@master01 test]# helm template . --show-only templates/lt.yaml
---
# Source: test/templates/lt.yaml
lt: true
[root@master01 test]# cat templates/ne.yaml 
ne: {{ne 1 3}}
[root@master01 test]# helm template . --show-only templates/ne.yaml
---
# Source: test/templates/ne.yaml
ne: true
[root@master01 test]# cat templates/hello.yaml 
hello: {{hello}}
[root@master01 test]# helm template . --show-only templates/hello.yaml
---
# Source: test/templates/hello.yaml
hello: Hello!
[root@master01 test]# cat templates/ago.yaml 
ago: {{ago now}}
[root@master01 test]# helm template . --show-only templates/ago.yaml
---
# Source: test/templates/ago.yaml
ago: 0s
[root@master01 test]# cat templates/date.yaml 
date: {{date "2006-01-02 03:04:05Z" (now) }}
[root@master01 test]# helm template . --show-only templates/date.yaml
---
# Source: test/templates/date.yaml
date: 2020-04-06 11:58:38Z
[root@master01 test]# cat templates/dateInZone.yaml 
dateInZone: {{dateInZone "2006-01-02-03:04:05Z" (now) "UTC"| quote }}
[root@master01 test]# helm template . --show-only templates/dateInZone.yaml
---
# Source: test/templates/dateInZone.yaml
dateInZone: "2020-04-06-03:59:32Z"
[root@master01 test]# cat templates/dateModify.yaml 
dateModify: {{now | date_modify "-1.5h"}}
[root@master01 test]# helm template . --show-only templates/dateModify.yaml
---
# Source: test/templates/dateModify.yaml
dateModify: 2020-04-06 10:30:31.147844281 +0800 CST m=-5397.099595550
[root@master01 test]# cat templates/durationRound.yaml 
durationRound: {{durationRound "200s"}}
[root@master01 test]# helm template . --show-only templates/durationRound.yaml
---
# Source: test/templates/durationRound.yaml
durationRound: 3m
[root@master01 test]# cat templates/htmlDate.yaml 
htmlDate: {{now|htmlDate}}
[root@master01 test]# helm template . --show-only templates/htmlDate.yaml
---
# Source: test/templates/htmlDate.yaml
htmlDate: 2020-04-06
[root@master01 test]# cat templates/htmlDateInZone.yaml 
htmlDateInZone: {{htmlDateInZone now "UTC"}}
[root@master01 test]# helm template . --show-only templates/htmlDateInZone.yaml
---
# Source: test/templates/htmlDateInZone.yaml
htmlDateInZone: 2020-04-06
[root@master01 test]# cat templates/mustDateModify.yaml 
mustDateModify: {{mustDateModify "100s" now}}
[root@master01 test]# helm template . --show-only templates/mustDateModify.yaml
---
# Source: test/templates/mustDateModify.yaml
mustDateModify: 2020-04-06 12:05:50.552467524 +0800 CST m=+100.080912388
[root@master01 test]# cat templates/mustToDate.yaml 
mustToDate: {{mustToDate "2006-01-02 03:04:05" "2020-03-20 12:16:10" }}
[root@master01 test]# helm template . --show-only templates/mustToDate.yaml
---
# Source: test/templates/mustToDate.yaml
mustToDate: 2020-03-20 12:16:10 +0800 CST
[root@master01 test]# cat templates/now.yaml 
now: {{now}}
[root@master01 test]# helm template . --show-only templates/now.yaml
---
# Source: test/templates/now.yaml
now: 2020-04-06 12:06:25.914297532 +0800 CST m=+0.098940471
[root@master01 test]# cat templates/toDate.yaml 
toDate: {{toDate "2006-01-02 03:04:05" "2020-03-20 12:16:10" }}
[root@master01 test]# helm template . --show-only templates/toDate.yaml
---
# Source: test/templates/toDate.yaml
toDate: 2020-03-20 12:16:10 +0800 CST
[root@master01 test]# cat templates/unixEpoch.yaml 
unixEpoch: {{unixEpoch now}}
[root@master01 test]# helm template . --show-only templates/unixEpoch.yaml
---
# Source: test/templates/unixEpoch.yaml
unixEpoch: 1586146082
[root@master01 test]# cat templates/abbrev.yaml 
abbrev: {{"thisismark"|abbrev 5}}
[root@master01 test]# helm template . --show-only templates/abbrev.yaml
---
# Source: test/templates/abbrev.yaml
abbrev: th...
[root@master01 test]# cat templates/abbrevboth.yaml 
abbrevboth: {{"mynameismarkhimarkhowareyou"|abbrevboth 5 10}}
[root@master01 test]# helm template . --show-only templates/abbrevboth.yaml
---
# Source: test/templates/abbrevboth.yaml
abbrevboth: ...eism...
[root@master01 test]# cat templates/trunc.yaml 
apiVersion: v1
kind: ConfigMap
matadata:
  name: {{.Release.Name|trunc 2}}-configmap

[root@master01 test]# helm template . --show-only templates/trunc.yaml
---
# Source: test/templates/trunc.yaml
apiVersion: v1
kind: ConfigMap
matadata:
  name: RE-configmap
[root@master01 test]# cat templates/trim.yaml 
trim: {{"   a b c "|trim}}
[root@master01 test]# helm template . --show-only templates/trim.yaml
---
# Source: test/templates/trim.yaml
trim: a b c

[root@master01 test]# cat templates/upper.yaml 
name: {{.Values.name|upper}}
[root@master01 test]# helm template . --show-only templates/upper.yaml
---
# Source: test/templates/upper.yaml
name: TOM
[root@master01 test]# cat templates/lower.yaml 
lower: {{lower "ABC"}}
[root@master01 test]# helm template . --show-only templates/lower.yaml
---
# Source: test/templates/lower.yaml
lower: abc
[root@master01 test]# cat templates/title.yaml 
title: {{"my name is mark"|title}}
[root@master01 test]# helm template . --show-only templates/title.yaml
---
# Source: test/templates/title.yaml
title: My Name Is Mark
[root@master01 test]# cat templates/untitle.yaml 
untitle: {{"My Name is mark"|untitle}}
[root@master01 test]# helm template . --show-only templates/untitle.yaml
---
# Source: test/templates/untitle.yaml
untitle: my name is mark
[root@master01 test]# cat templates/substr.yaml 
substr: {{"thisisastring"|substr 1 10 }}
[root@master01 test]# helm template . --show-only templates/substr.yaml
---
# Source: test/templates/substr.yaml
substr: hisisastr
[root@master01 test]# cat templates/repeat.yaml 
repeat: {{"mark"|repeat 5}}
[root@master01 test]# helm template . --show-only templates/repeat.yaml
---
# Source: test/templates/repeat.yaml
repeat: markmarkmarkmarkmark
[root@master01 test]# cat templates/trimAll.yaml 
trimAll: {{"_markhuang_"|trimAll "_"}}
[root@master01 test]# helm template . --show-only templates/trimAll.yaml
---
# Source: test/templates/trimAll.yaml
trimAll: markhuang
[root@master01 test]# cat templates/trimSuffix.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name|trimSuffix "-"}}
[root@master01 test]# helm template . --show-only templates/trimSuffix.yaml
---
# Source: test/templates/trimSuffix.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME
[root@master01 test]# cat templates/trimPrefix.yaml 
trimPrefix: {{trimPrefix "-" "-abc"}}
[root@master01 test]# helm template . --show-only templates/trimPrefix.yaml
---
# Source: test/templates/trimPrefix.yaml
trimPrefix: abc
[root@master01 test]# cat templates/nospace.yaml 
nospace: {{" this is mark "|nospace}}
[root@master01 test]# helm template . --show-only templates/nospace.yaml
---
# Source: test/templates/nospace.yaml
nospace: thisismark
[root@master01 test]# cat templates/initials.yaml 
initials: {{"my name is mark"|initials}}
[root@master01 test]# helm template . --show-only templates/initials.yaml
---
# Source: test/templates/initials.yaml
initials: mnim
[root@master01 test]# cat templates/randAlphaNum.yaml 
password: {{ randAlphaNum 10}}
[root@master01 test]# helm template . --show-only templates/randAlphaNum.yaml
---
# Source: test/templates/randAlphaNum.yaml
password: X9tDGihZOB
[root@master01 test]# cat templates/randAlpha.yaml 
randAlpha: {{randAlpha 10}}
[root@master01 test]# helm template . --show-only templates/randAlpha.yaml
---
# Source: test/templates/randAlpha.yaml
randAlpha: gxiVFaeSwg
[root@master01 test]# cat templates/randAscii.yaml 
#randAscii: "{{randAscii 10}}"
[root@master01 test]# helm template . --show-only templates/randAscii.yaml
---
# Source: test/templates/randAscii.yaml
#randAscii: "Jjd.?@GS{e"
[root@master01 test]# cat templates/randNumeric.yaml 
randNumeric: {{randNumeric 10}}
[root@master01 test]# helm template . --show-only templates/randNumeric.yaml
---
# Source: test/templates/randNumeric.yaml
randNumeric: 2491395608
[root@master01 test]# cat templates/swapcase.yaml 
swapcase: {{swapcase "My Name is mark"}}
[root@master01 test]# helm template . --show-only templates/swapcase.yaml
---
# Source: test/templates/swapcase.yaml
swapcase: mY nAME IS MARK
[root@master01 test]# cat templates/shuffle.yaml 
shuffle: {{.Values.shuffle|shuffle}}
[root@master01 test]# helm template . --show-only templates/shuffle.yaml
---
# Source: test/templates/shuffle.yaml
shuffle: kmaimamrnsye
[root@master01 test]# cat templates/snakecase.yaml 
snake: {{.Values.snake|snakecase}}
[root@master01 test]# helm template . --show-only templates/snakecase.yaml
---
# Source: test/templates/snakecase.yaml
snake: shared_buffers
[root@master01 test]# cat templates/camelcase.yaml 
camel: {{.Values.camel|camelcase}}
[root@master01 test]# helm template . --show-only templates/camelcase.yaml
---
# Source: test/templates/camelcase.yaml
camel: MyNameIsMark
[root@master01 test]# cat templates/kebabcase.yaml 
kebabcase: {{kebabcase "MyNameIsMark"}}
[root@master01 test]# helm template . --show-only templates/kebabcase.yaml
---
# Source: test/templates/kebabcase.yaml
kebabcase: my-name-is-mark
[root@master01 test]# cat templates/wrap.yaml 
wrap: |
  {{wrap 5 "markhuang"}}
[root@master01 test]# helm template . --show-only templates/wrap.yaml
---
# Source: test/templates/wrap.yaml
wrap: |
  markhuang
[root@master01 test]# cat templates/wrapWith.yaml 
wrapWith: |
  {{"markhuang"|wrapWith 3 "p"}}
[root@master01 test]# helm template . --show-only templates/wrapWith.yaml
---
# Source: test/templates/wrapWith.yaml
wrapWith: |
  marpkhupang
[root@master01 test]# cat templates/contains.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  {{- $name:= .Release.Name  -}}
  {{- if contains $name "hxpmark"}}
  name: hxpmark
  {{- end}}
[root@master01 test]# helm template hxp . --show-only templates/contains.yaml
---
# Source: test/templates/contains.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: hxp-configmap
data:
  name: hxpmark
[root@master01 test]# cat templates/hasPrefix.yaml 
{{- if hasPrefix "http" .Values.url}}
url: {{.Values.url}}
{{- else}}
url: {{printf "%s://%s" "http" .Values.url}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/hasPrefix.yaml
---
# Source: test/templates/hasPrefix.yaml
url: http://www.baidu.com
[root@master01 test]# cat templates/hasSuffix.yaml 
{{- if hasSuffix "-" "mark-"}}
hasSuffix: mark-
{{- end}}
[root@master01 test]# helm template . --show-only templates/hasSuffix.yaml
---
# Source: test/templates/hasSuffix.yaml
hasSuffix: mark-
[root@master01 test]# cat  templates/quote.yaml 
quote: {{quote "mark"}}
[root@master01 test]# helm template . --show-only templates/quote.yaml
---
# Source: test/templates/quote.yaml
quote: "mark"
[root@master01 test]# cat templates/squote.yaml 
squote: {{"mark"|squote}}
[root@master01 test]# helm template . --show-only templates/squote.yaml
---
# Source: test/templates/squote.yaml
squote: 'mark'
[root@master01 test]# cat templates/cat.yaml 
cat: {{cat "my" "name" "is" "mark"}}
[root@master01 test]# helm template . --show-only templates/cat.yaml
---
# Source: test/templates/cat.yaml
cat: my name is mark
[root@master01 test]# cat templates/indent.yaml 
indent: {{"mark"|indent 2}}
[root@master01 test]# helm template . --show-only templates/indent.yaml
---
# Source: test/templates/indent.yaml
indent:   mark
[root@master01 test]# ^C
[root@master01 test]# cat templates/nindent.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name}}-configmap
data:
  rules:{{ toYaml .Values.rules|nindent 2}}
[root@master01 test]# helm template . --show-only templates/nindent.yaml
---
# Source: test/templates/nindent.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  rules:
  - rule1: aa
  - rule2: bb
[root@master01 test]# cat templates/replace.yaml 
apiVersion: v1
kind: ConfigMap
matadata:
  name: {{.Release.Name|replace "+" "_"}}
[root@master01 test]# helm template hxp+mark . --show-only templates/replace.yaml
---
# Source: test/templates/replace.yaml
apiVersion: v1
kind: ConfigMap
matadata:
  name: hxp_mark
[root@master01 test]# cat templates/plural.yaml 
plural: {{plural "sigle" "plural" 3}}
[root@master01 test]# helm template . --show-only templates/plural.yaml
---
# Source: test/templates/plural.yaml
plural: plural
[root@master01 test]# cat templates/sha1sum.yaml 
sha1sum: {{sha1sum "abc"}}
[root@master01 test]# helm template . --show-only templates/sha1sum.yaml
---
# Source: test/templates/sha1sum.yaml
sha1sum: a9993e364706816aba3e25717850c26c9cd0d89d
[root@master01 test]# cat templates/sha256sum.yaml 
sha256sum: {{sha256sum "abc"}}
[root@master01 test]# helm template . --show-only templates/sha256sum.yaml
---
# Source: test/templates/sha256sum.yaml
sha256sum: ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad
[root@master01 test]# cat templates/adler32sum.yaml 
adler32sum: {{adler32sum "mark"}}
[root@master01 test]# helm template . --show-only templates/adler32sum.yaml
---
# Source: test/templates/adler32sum.yaml
adler32sum: 69861804
[root@master01 test]# cat templates/toString.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name}}-configmap
data:
  toString: {{.Values.minReplicas|toString}}
[root@master01 test]# helm template . --show-only templates/toString.yaml
---
# Source: test/templates/toString.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  toString: 1
[root@master01 test]# cat templates/atoi.yaml 
atoi: {{atoi "ssss"}}
[root@master01 test]# helm template . --show-only templates/atoi.yaml
---
# Source: test/templates/atoi.yaml
atoi: 0
[root@master01 test]# cat templates/int64.yaml 
int64: {{int64 "65"}}
[root@master01 test]# helm template . --show-only templates/int64.yaml
---
# Source: test/templates/int64.yaml
int64: 65
[root@master01 test]# cat templates/int.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name}}-configmap
data:
{{- if (gt (.Values.minReplicas|int) 0)}}
  minReplicas: {{.Values.minReplicas|int}}
{{- end}}
{{- if (gt (.Values.maxReplicas|int) 0)}}
  maxReplicas: {{.Values.maxReplicas}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/int.yaml
---
# Source: test/templates/int.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  minReplicas: 1
  maxReplicas: 5
[root@master01 test]# cat templates/float64.yaml 
float64: {{float64 "3.14"}}
[root@master01 test]# helm template . --show-only templates/float64.yaml
---
# Source: test/templates/float64.yaml
float64: 3.14
[root@master01 test]# cat templates/toDecimal.yaml 
toDecimal: {{toDecimal 27}}
[root@master01 test]# helm template . --show-only templates/toDecimal.yaml
---
# Source: test/templates/toDecimal.yaml
toDecimal: 23
[root@master01 test]# cat templates/split.yaml 
{{$dic:=split "," "my,name,is,mark"}}
{{- range $key,$value:= $dic}}
{{$key}}: {{$value}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/split.yaml
---
# Source: test/templates/split.yaml
_0: my
_1: name
_2: is
_3: mark
[root@master01 test]# cat templates/splitList.yaml 
{{$list:=splitList "," "my,name,is,mark"}}
{{- range $list}}
name: {{.}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/splitList.yaml
---
# Source: test/templates/splitList.yaml
name: my
name: name
name: is
name: mark
[root@master01 test]# cat templates/splitn.yaml 
splitn: {{splitn "_" 2 "a_b_c_d" }}
[root@master01 test]# helm template . --show-only templates/splitn.yaml
---
# Source: test/templates/splitn.yaml
splitn: map[_0:a _1:b_c_d]
[root@master01 test]# cat templates/toStrings.yaml 
{{- $li:=list 1 2 3}}
toStrings: {{toStrings $li}}
[root@master01 test]# helm template . --show-only templates/toStrings.yaml
---
# Source: test/templates/toStrings.yaml
toStrings: [1 2 3]
[root@master01 test]# cat templates/until.yaml 
until: {{until 10}}
[root@master01 test]# helm template . --show-only templates/until.yaml
---
# Source: test/templates/until.yaml
until: [0 1 2 3 4 5 6 7 8 9]
[root@master01 test]# cat templates/untilStep.yaml 
untilStep: {{untilStep 1 10 2}}
[root@master01 test]# helm template . --show-only templates/untilStep.yaml
---
# Source: test/templates/untilStep.yaml
untilStep: [1 3 5 7 9]
[root@master01 test]# cat templates/add1.yaml 
add1: {{add1 1}}
[root@master01 test]# helm template . --show-only templates/add1.yaml
---
# Source: test/templates/add1.yaml
add1: 2
[root@master01 test]# cat templates/add.yaml 
{{$sum:=add 10 20}}
sum: {{$sum}}
[root@master01 test]# helm template . --show-only templates/add.yaml
---
# Source: test/templates/add.yaml
sum: 30
[root@master01 test]# cat templates/sub.yaml 
sub: {{sub 10 5}}
[root@master01 test]# helm template . --show-only templates/sub.yaml
---
# Source: test/templates/sub.yaml
sub: 5
[root@master01 test]# cat templates/div.yaml 
div: {{div 10 2}}
[root@master01 test]# helm template . --show-only templates/div.yaml
---
# Source: test/templates/div.yaml
div: 5
[root@master01 test]# cat templates/mod.yaml 
mod: {{mod 10 3}}
[root@master01 test]# helm template . --show-only templates/mod.yaml
---
# Source: test/templates/mod.yaml
mod: 1
[root@master01 test]# cat templates/mul.yaml 
mul: {{mul 3 3}}
[root@master01 test]# helm template . --show-only templates/mul.yaml
---
# Source: test/templates/mul.yaml
mul: 9
[root@master01 test]# cat templates/biggest.yaml 
biggest: {{biggest 1 3 10 4 }}
[root@master01 test]# helm template . --show-only templates/biggest.yaml
---
# Source: test/templates/biggest.yaml
biggest: 10
[root@master01 test]# cat templates/max.yaml 
max: {{max 1 31 99 2}}
[root@master01 test]# helm template . --show-only templates/max.yaml
---
# Source: test/templates/max.yaml
max: 99
[root@master01 test]# cat templates/min.yaml 
min: {{min 1 3 7 5}}
[root@master01 test]# helm template . --show-only templates/min.yaml
---
# Source: test/templates/min.yaml
min: 1
[root@master01 test]# cat templates/ceil.yaml 
ceil: {{ceil 3.932}}
[root@master01 test]# helm template . --show-only templates/ceil.yaml
---
# Source: test/templates/ceil.yaml
ceil: 4
[root@master01 test]# cat templates/floor.yaml 
floor: {{floor 3.91}}
[root@master01 test]# helm template . --show-only templates/floor.yaml
---
# Source: test/templates/floor.yaml
floor: 3
[root@master01 test]# cat templates/round.yaml 
round: {{round 3.6 0 }}
round2: {{round 3.2 0 }}
[root@master01 test]# helm template . --show-only templates/round.yaml
---
# Source: test/templates/round.yaml
round: 4
round2: 3
[root@master01 test]# cat templates/join.yaml 
{{- $li:=list 1 2 3}}
join: {{join "_"  $li }}
[root@master01 test]# helm template . --show-only templates/join.yaml
---
# Source: test/templates/join.yaml
join: 1_2_3
[root@master01 test]# cat templates/sortAlpha.yaml 
{{$list:=list}}
{{$list:=append $list "my"}}
{{$list:=append $list "name"}}
{{$list:=append $list "is"}}
{{$list:=append $list "mark"}}
{{$list:=sortAlpha $list}}
{{- range  $list}}
name: {{.}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/sortAlpha.yaml
---
# Source: test/templates/sortAlpha.yaml
name: is
name: mark
name: my
name: name
[root@master01 test]# cat templates/default.yaml 
default: {{default 100 ""}}
[root@master01 test]# helm template . --show-only templates/default.yaml
---
# Source: test/templates/default.yaml
default: 100
[root@master01 test]# cat templates/empty.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{.Release.Name}}-configmap
data:
  {{- if not (empty .Values.favorite.fruit) }}
  fruit: {{.Values.favorite.fruit}}
  {{- end}}
[root@master01 test]# helm template . --show-only templates/empty.yaml
---
# Source: test/templates/empty.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
[root@master01 test]# cat templates/coalesce.yaml 
coalesce: {{coalesce "" "" "1" "2"}}
[root@master01 test]# helm template . --show-only templates/coalesce.yaml
---
# Source: test/templates/coalesce.yaml
coalesce: 1
[root@master01 test]# cat templates/compact.yaml 
{{- $li:=list "1" ""  "2" "" "3"}}
compact: {{compact $li}}
[root@master01 test]# helm template . --show-only templates/compact.yaml
---
# Source: test/templates/compact.yaml
compact: [1 2 3]
[root@master01 test]# cat templates/mustCompact.yaml 
{{- $li:=list "1" ""  "2" "" "3"}}
mustCompact: {{mustCompact $li}}
[root@master01 test]# helm template . --show-only templates/mustCompact.yaml
---
# Source: test/templates/mustCompact.yaml
mustCompact: [1 2 3]
[root@master01 test]# cat templates/toJson.yaml 
json: {{.Values.json|toJson}}
[root@master01 test]# helm template . --show-only templates/toJson.yaml
---
# Source: test/templates/toJson.yaml
json: {"aa":"bb","cc":"dd"}
[root@master01 test]# cat templates/toPrettyJson.yaml 
json: {{.Values.json|toPrettyJson}}
[root@master01 test]# helm template . --show-only templates/toPrettyJson.yaml
---
# Source: test/templates/toPrettyJson.yaml
json: {
  "aa": "bb",
  "cc": "dd"
}
[root@master01 test]# cat templates/toRawJson.yaml 
json: {{.Values.json|toRawJson}}
[root@master01 test]# helm template . --show-only templates/toRawJson.yaml
---
# Source: test/templates/toRawJson.yaml
json: {"aa":"bb","cc":"dd"}
[root@master01 test]# cat templates/mustToJson.yaml 
json: {{.Values.json|mustToJson}}
[root@master01 test]# helm template . --show-only templates/mustToJson.yaml
---
# Source: test/templates/mustToJson.yaml
json: {"aa":"bb","cc":"dd"}
[root@master01 test]# cat templates/mustToPrettyJson.yaml 
json: {{.Values.json|mustToPrettyJson}}
[root@master01 test]# helm template . --show-only templates/mustToPrettyJson.yaml
---
# Source: test/templates/mustToPrettyJson.yaml
json: {
  "aa": "bb",
  "cc": "dd"
}
[root@master01 test]# cat templates/mustToRawJson.yaml 
json: {{.Values.json|mustToRawJson}}
[root@master01 test]# helm template . --show-only templates/mustToRawJson.yaml
---
# Source: test/templates/mustToRawJson.yaml
json: {"aa":"bb","cc":"dd"}
[root@master01 test]# cat templates/ternary.yaml 
value: {{ ternary "1" "0" .Values.debug | quote }}
[root@master01 test]# helm template . --show-only templates/ternary.yaml
---
# Source: test/templates/ternary.yaml
value: "1"
[root@master01 test]# cat templates/deepCopy.yaml 
{{- $li:=list 1 2 3}}
deepCopy: {{deepCopy $li}}
[root@master01 test]# helm template . --show-only templates/deepCopy.yaml
---
# Source: test/templates/deepCopy.yaml
deepCopy: [1 2 3]
[root@master01 test]# cat templates/mustDeepCopy.yaml 
{{- $li:=list 1 2 3}}
mustDeepCopy: {{mustDeepCopy $li}}

[root@master01 test]# helm template . --show-only templates/mustDeepCopy.yaml
---
# Source: test/templates/mustDeepCopy.yaml
mustDeepCopy: [1 2 3]
[root@master01 test]# cat templates/typeOf.yaml 
typeOf: {{typeOf 123}}
[root@master01 test]# helm template . --show-only templates/typeOf.yaml
---
# Source: test/templates/typeOf.yaml
typeOf: int

[root@master01 test]# cat templates/typeIs.yaml 
{{- if typeIs "int" 123}}
typeIs: int 123
{{- end}}
[root@master01 test]# helm template . --show-only templates/typeIs.yaml
---
# Source: test/templates/typeIs.yaml
typeIs: int 123
[root@master01 test]# cat templates/typeIsLike.yaml 
{{- if typeIsLike "int" 123}}
typeIsLike: int 123
{{- end}}
[root@master01 test]# helm template . --show-only templates/typeIsLike.yaml
---
# Source: test/templates/typeIsLike.yaml
typeIsLike: int 123
[root@master01 test]# cat templates/kindOf.yaml 
kindOf: {{kindOf 123}}
[root@master01 test]# helm template . --show-only templates/kindOf.yaml
---
# Source: test/templates/kindOf.yaml
kindOf: int
[root@master01 test]# cat templates/kindIs.yaml 
{{- if kindIs "int" 123}}
kindIs: int 123
{{- end}}
[root@master01 test]# helm template . --show-only templates/kindIs.yaml
---
# Source: test/templates/kindIs.yaml
kindIs: int 123
[root@master01 test]# cat templates/deepEqual.yaml 
{{- $li:=list 1 2 3}}
{{- $li2:=list 1 2 3}}
deepEqual: {{deepEqual $li $li2}}
[root@master01 test]# helm template . --show-only templates/deepEqual.yaml
---
# Source: test/templates/deepEqual.yaml
deepEqual: true
[root@master01 test]# cat templates/getHostByName.yaml 
getHostByName: {{getHostByName "www.baidu.com"}}
[root@master01 test]# helm template . --show-only templates/getHostByName.yaml
---
# Source: test/templates/getHostByName.yaml
getHostByName: 36.152.44.95
[root@master01 test]# cat templates/base.yaml 
base: {{base .Values.path}}
[root@master01 test]# helm template . --show-only templates/base.yaml
---
# Source: test/templates/base.yaml
base: aa
[root@master01 test]# cat templates/dir.yaml 
dir: {{dir "/etc/fstab"}}
[root@master01 test]# helm template . --show-only templates/dir.yaml
---
# Source: test/templates/dir.yaml
dir: /etc
[root@master01 test]# cat templates/clean.yaml 
clean: {{clean "/etc/systemd/system/"}}
[root@master01 test]# helm template . --show-only templates/clean.yaml
---
# Source: test/templates/clean.yaml
clean: /etc/systemd/system
[root@master01 test]# cat templates/ext.yaml 
ext: {{ ext "/a/b/c.yaml"}}
[root@master01 test]# helm template . --show-only templates/ext.yaml
---
# Source: test/templates/ext.yaml
ext: .yaml
[root@master01 test]# cat templates/isAbs.yaml 
{{- if isAbs "/etc/"}}
isAbs: /etc/
{{- end}}
[root@master01 test]# helm template . --show-only templates/isAbs.yaml
---
# Source: test/templates/isAbs.yaml
isAbs: /etc/
[root@master01 test]# cat templates/b64enc.yaml 
b64enc: {{b64enc "123"}}
[root@master01 test]# helm template . --show-only templates/b64enc.yaml
---
# Source: test/templates/b64enc.yaml
b64enc: MTIz
[root@master01 test]# cat templates/b64dec.yaml 
b64dec: {{"123"|b64enc|b64dec}}
[root@master01 test]# helm template . --show-only templates/b64dec.yaml
---
# Source: test/templates/b64dec.yaml
b64dec: 123
[root@master01 test]# cat templates/b32enc.yaml 
b32enc: {{b32enc "123"}}
[root@master01 test]# helm template . --show-only templates/b32enc.yaml
---
# Source: test/templates/b32enc.yaml
b32enc: GEZDG===
[root@master01 test]# cat templates/b32dec.yaml 
b32dec: {{b32enc "123"|b32dec}}
[root@master01 test]# helm template . --show-only templates/b32dec.yaml
---
# Source: test/templates/b32dec.yaml
b32dec: 123
[root@master01 test]# cat templates/tuple.yaml 
{{- $message:=tuple}}
{{- $message:=append $message "abc" }}
{{- $message:=append $message  "xyz"}}
{{- $message:=append $message  "xxx"}}
{{- $message:=without $message "xxx"}}
{{- $message:= join "$" $message}}
tuple: {{$message}}
[root@master01 test]# helm template . --show-only templates/tuple.yaml
---
# Source: test/templates/tuple.yaml
tuple: abc$xyz
[root@master01 test]# cat templates/list.yaml 
{{- $message:=list}}
{{- $message:=append $message "abc" }}
{{- $message:=append $message  "xyz"}}
{{- $message:=append $message  "xxx"}}
{{- $message:=without $message "xxx"}}
{{- $message:= join "$" $message}}
list: {{$message}}
[root@master01 test]# helm template . --show-only templates/list.yaml
---
# Source: test/templates/list.yaml
list: abc$xyz
[root@master01 test]# cat templates/dict.yaml 
name: {{ include "harbor.tplValue" ( dict "value" .Values.name "context" $) }}
[root@master01 test]# helm template . --show-only templates/dict.yaml
---
# Source: test/templates/dict.yaml
name: Tom
[root@master01 test]# cat templates/get.yaml 
{{- $di:=dict "aa" "av" "bb" "bv"}}
get: {{get $di "aa"}}
[root@master01 test]# helm template . --show-only templates/get.yaml
---
# Source: test/templates/get.yaml
get: av
[root@master01 test]# cat templates/set.yaml 
{{- $_ := set . "portal_path" "/*" -}}
{{- $_ := set . "api_path" "/api/*" -}}
{{- $_ := set . "service_path" "/service/*" -}}
{{- $_ := set . "v2_path" "/v2/*" -}}
{{- $_ := set . "chartrepo_path" "/chartrepo/*" -}}
{{- $_ := set . "controller_path" "/c/*" -}}
portal_path: {{.portal_path}}
api_path: {{.api_path}}
service_path: {{.service_path}}
v2_path: {{.v2_path}}
chartrepo_path: {{.chartrepo_path}}
controller_path: {{.controller_path}}
[root@master01 test]# ^C
[root@master01 test]# helm template . --show-only templates/set.yaml
---
# Source: test/templates/set.yaml
portal_path: /*
api_path: /api/*
service_path: /service/*
v2_path: /v2/*
chartrepo_path: /chartrepo/*
controller_path: /c/*
[root@master01 test]# cat templates/unset.yaml 
{{- $di:=dict "aa" "av" "bb" "bv" }}
dict: {{$di}}
dict: {{ unset $di "aa"}}
dict: {{$di}}
[root@master01 test]# helm template . --show-only templates/unset.yaml
---
# Source: test/templates/unset.yaml
dict: map[aa:av bb:bv]
dict: map[bb:bv]
dict: map[bb:bv]

[root@master01 test]# cat templates/hasKey.yaml 
{{- $di:=dict "aa" "av" "bb" "bv"}}
hasKey: {{hasKey $di "aa"}}
[root@master01 test]# helm template . --show-only templates/hasKey.yaml
---
# Source: test/templates/hasKey.yaml
hasKey: true
[root@master01 test]# cat templates/pluck.yaml 
{{- $d1:=dict "aa" "a1" "bb" "b1"}}
{{- $d2:=dict "aa" "a2" "bb" "b2"}}
pluck: {{pluck "aa" $d1 $d2}}
[root@master01 test]# helm template . --show-only templates/pluck.yaml
---
# Source: test/templates/pluck.yaml
pluck: [a1 a2]
[root@master01 test]# cat templates/keys.yaml 
{{- $d1:=dict "aa" "a1" "bb" "b1"}}
{{- $d2:=dict "a2" "a2" "b2" "b2"}}
keys: {{keys $d1 $d2}}
[root@master01 test]# helm template . --show-only templates/keys.yaml
---
# Source: test/templates/keys.yaml
keys: [aa bb a2 b2]
[root@master01 test]# cat templates/pick.yaml 
{{- $d1:=dict "aa" "a1" "bb" "b1" "cc" "c1"}}
pick: {{pick $d1 "aa" "cc"}}
[root@master01 test]# helm template . --show-only templates/pick.yaml
---
# Source: test/templates/pick.yaml
pick: map[aa:a1 cc:c1]
[root@master01 test]# cat templates/omit.yaml 
{{- $d1:=dict "aa" "a1" "bb" "b1"}}
omit: {{omit $d1 "aa"}}
[root@master01 test]# helm template . --show-only templates/omit.yaml
---
# Source: test/templates/omit.yaml
omit: map[bb:b1]
[root@master01 test]# cat templates/merge.yaml 
{{- $target:=dict}}
{{- $src1:=dict "a1" "a1" "b1" "b1"}}
{{- $src2:=dict "a2" "a2" "b2" "b2"}}
merge: {{merge $target $src1 $src2}}
[root@master01 test]# helm template . --show-only templates/merge.yaml
---
# Source: test/templates/merge.yaml
merge: map[a1:a1 a2:a2 b1:b1 b2:b2]
[root@master01 test]# cat templates/mergeOverwrite.yaml 
{{- $target:=dict}}
{{- $src1:=dict "a1" "a1" "b1" "b1"}}
{{- $src2:=dict "a1" "a2" "b2" "b2"}}
mergeOverwrite: {{mergeOverwrite $target $src1 $src2}}
[root@master01 test]# helm template . --show-only templates/mergeOverwrite.yaml
---
# Source: test/templates/mergeOverwrite.yaml
mergeOverwrite: map[a1:a2 b1:b1 b2:b2]
[root@master01 test]# cat templates/mustMerge.yaml 
{{- $target:=dict}}
{{- $src1:=dict "a1" "a1" "b1" "b1"}}
{{- $src2:=dict "a2" "a2" "b2" "b2"}}
mustMerge: {{mustMerge $target $src1 $src2}}
[root@master01 test]# helm template . --show-only templates/mustMerge.yaml
---
# Source: test/templates/mustMerge.yaml
mustMerge: map[a1:a1 a2:a2 b1:b1 b2:b2]

[root@master01 test]# cat templates/mustMergeOverwrite.yaml 
{{- $target:=dict}}
{{- $src1:=dict "a1" "a1" "b1" "b1"}}
{{- $src2:=dict "a1" "a2" "b2" "b2"}}
mustMergeOverwrite: {{mustMergeOverwrite $target $src1 $src2}}
[root@master01 test]# helm template . --show-only templates/mustMergeOverwrite.yaml
---
# Source: test/templates/mustMergeOverwrite.yaml
mustMergeOverwrite: map[a1:a2 b1:b1 b2:b2]

[root@master01 test]# cat templates/values.yaml 
{{- $di:=dict "aa" "av" "bb" "bv"}}
values: {{values $di}}
[root@master01 test]# helm template . --show-only templates/values.yaml
---
# Source: test/templates/values.yaml
values: [av bv]
[root@master01 test]# helm template . --show-only templates/values.yaml
---
# Source: test/templates/values.yaml
values: [av bv]
[root@master01 test]# ^C
[root@master01 test]# cat templates/listAndFunc.yaml 
{{$li:=list}}
{{$li:=append $li 1}}
{{$li:=append $li 2}}
{{$li:=prepend $li 3}}
{{$li:=prepend $li 4}}
all: {{$li}}
first: {{first $li}}
rest: {{rest $li}}
last: {{last $li}}
initial: {{initial $li}}
{{- $li:=reverse $li}}
all: {{$li}}
{{- $li:= append $li 1 }}
all: {{$li}}
{{- $li:=uniq $li }}
uniq: {{$li}}
{{- $li:= without $li 1}}
without: {{$li}}
{{- if (has 2 $li)}}
has: 2
{{- end}}
[root@master01 test]# helm template . --show-only templates/listAndFunc.yaml
---
# Source: test/templates/listAndFunc.yaml
all: [4 3 1 2]
first: 4
rest: [3 1 2]
last: 2
initial: [4 3 1]
all: [2 1 3 4]
all: [2 1 3 4 1]
uniq: [2 1 3 4]
without: [2 3 4]
has: 2
[root@master01 test]# cat templates/append.yaml 
{{$li:=list}}
{{$li:=append $li 1}}
{{$li:=append $li 2}}
all: {{$li}}
[root@master01 test]# helm template . --show-only templates/append.yaml
---
# Source: test/templates/append.yaml
all: [1 2]

[root@master01 test]# cat templates/push.yaml 
{{$li:=list}}
{{$li:=push $li 1}}
{{$li:=push $li 2}}
all: {{$li}}
[root@master01 test]# helm template . --show-only templates/push.yaml
---
# Source: test/templates/push.yaml
all: [1 2]
[root@master01 test]# cat templates/mustAppend.yaml 
{{$li:=list}}
{{$li:=mustAppend $li 1}}
{{$li:=mustAppend $li 2}}
all: {{$li}}
[root@master01 test]# helm template . --show-only templates/mustAppend.yaml
---
# Source: test/templates/mustAppend.yaml
all: [1 2]

[root@master01 test]# cat templates/mustPush.yaml 
{{$li:=list}}
{{$li:=mustPush $li 1}}
{{$li:=mustPush $li 2}}
all: {{$li}}
[root@master01 test]# helm template . --show-only templates/mustPush.yaml
---
# Source: test/templates/mustPush.yaml
all: [1 2]
[root@master01 test]# cat templates/prepend.yaml 
{{$li:=list}}
{{$li:=prepend $li 1}}
{{$li:=prepend $li 2}}
all: {{$li}}
[root@master01 test]# helm template . --show-only templates/prepend.yaml
---
# Source: test/templates/prepend.yaml
all: [2 1]
[root@master01 test]# cat templates/mustPrepend.yaml 
{{$li:=list}}
{{$li:=mustPrepend $li 1}}
{{$li:=mustPrepend $li 2}}
all: {{$li}}
[root@master01 test]# helm template . --show-only templates/mustPrepend.yaml
---
# Source: test/templates/mustPrepend.yaml
all: [2 1]
[root@master01 test]# cat templates/first.yaml 
{{$li:=list 1 2 4}}
first: {{first $li}}
[root@master01 test]# helm template . --show-only templates/first.yaml
---
# Source: test/templates/first.yaml
first: 1
[root@master01 test]# cat templates/mustFirst.yaml 
{{$li:=list 1 2 4}}
mustFirst: {{mustFirst $li}}
[root@master01 test]# helm template . --show-only templates/mustFirst.yaml
---
# Source: test/templates/mustFirst.yaml
mustFirst: 1
[root@master01 test]# cat templates/rest.yaml 
{{$li:=list 1 2 4}}
rest: {{rest $li}}
[root@master01 test]# helm template . --show-only templates/rest.yaml
---
# Source: test/templates/rest.yaml
rest: [2 4]
[root@master01 test]# cat templates/mustRest.yaml 
{{$li:=list 1 2 4}}
mustRest: {{mustRest $li}}
[root@master01 test]# helm template . --show-only templates/mustRest.yaml
---
# Source: test/templates/mustRest.yaml
mustRest: [2 4]
[root@master01 test]# cat templates/last.yaml 
{{$li:=list 1 2 4}}
last: {{last $li}}
[root@master01 test]# helm template . --show-only templates/last.yaml
---
# Source: test/templates/last.yaml
last: 4
[root@master01 test]# cat templates/mustLast.yaml 
{{$li:=list 1 2 4}}
mustLast: {{mustLast $li}}
[root@master01 test]# helm template . --show-only templates/mustLast.yaml
---
# Source: test/templates/mustLast.yaml
mustLast: 4
[root@master01 test]# cat templates/initial.yaml 
{{$li:=list 1 2 4}}
initial: {{initial $li}}
[root@master01 test]# helm template . --show-only templates/initial.yaml
---
# Source: test/templates/initial.yaml
initial: [1 2]
[root@master01 test]# cat templates/mustInitial.yaml 
{{$li:=list 1 2 4}}
mustInitial: {{mustInitial $li}}
[root@master01 test]# helm template . --show-only templates/mustInitial.yaml
---
# Source: test/templates/mustInitial.yaml
mustInitial: [1 2]
[root@master01 test]# cat templates/reverse.yaml 
{{$li:=list 1 2 3}}
{{- $li:=reverse $li}}
reverse: ${{$li}}
[root@master01 test]# helm template . --show-only templates/reverse.yaml
---
# Source: test/templates/reverse.yaml
reverse: $[3 2 1]
[root@master01 test]# cat templates/mustReverse.yaml 
{{$li:=list 1 2 3}}
{{- $li:=mustReverse $li}}
mustReverse: ${{$li}}
[root@master01 test]# helm template . --show-only templates/mustReverse.yaml
---
# Source: test/templates/mustReverse.yaml
mustReverse: $[3 2 1]
[root@master01 test]# cat templates/uniq.yaml 
{{$li:=list 1 2 4 1}}
all: {{$li}}
uniq: {{uniq $li}}
[root@master01 test]# helm template . --show-only templates/uniq.yaml
---
# Source: test/templates/uniq.yaml
all: [1 2 4 1]
uniq: [1 2 4]
root@master01 test]# cat templates/mustUniq.yaml 
{{$li:=list 1 2 4 1}}
all: {{$li}}
mustUniq: {{mustUniq $li}}
[root@master01 test]# helm template . --show-only templates/mustUniq.yaml
---
# Source: test/templates/mustUniq.yaml
all: [1 2 4 1]
mustUniq: [1 2 4]
[root@master01 test]# cat templates/without.yaml 
{{$li:=list 1 2 3}}
without: {{without $li 3}}
[root@master01 test]# helm template . --show-only templates/without.yaml
---
# Source: test/templates/without.yaml
without: [1 2]
[root@master01 test]# cat templates/mustWithout.yaml 
{{$li:=list 1 2 3}}
mustWithout: {{mustWithout $li 3}}
[root@master01 test]# helm template . --show-only templates/mustWithout.yaml
---
# Source: test/templates/mustWithout.yaml
mustWithout: [1 2]
[root@master01 test]# cat templates/list_has.yaml 
{{$li:=list 1 2 4}}
{{- if has 2 $li}}
has: 2
{{- end}}
[root@master01 test]# helm template . --show-only templates/list_has.yaml
---
# Source: test/templates/list_has.yaml
has: 2
[root@master01 test]# cat templates/mustHas.yaml 
{{$li:=list 1 2 4}}
{{- if mustHas 2 $li}}
mustHas: 2
{{- end}}
[root@master01 test]# helm template . --show-only templates/mustHas.yaml
---
# Source: test/templates/mustHas.yaml
mustHas: 2
[root@master01 test]# cat templates/slice.yaml 
{{$li:=list 1 2 4}}
slice: {{slice $li 0 1}}
[root@master01 test]# helm template . --show-only templates/slice.yaml
---
# Source: test/templates/slice.yaml
slice: [1]
[root@master01 test]# cat templates/mustSlice.yaml 
{{$li:=list 1 2 4}}
mustSlice: {{mustSlice $li 0 1}}
[root@master01 test]# helm template . --show-only templates/mustSlice.yaml
---
# Source: test/templates/mustSlice.yaml
mustSlice: [1]
[root@master01 test]# cat templates/concat.yaml 
{{$li:=list 1 2 4}}
{{$li2:=list 5 6 7}}
concat: {{concat $li $li2}}
[root@master01 test]# helm template . --show-only templates/concat.yaml
---
# Source: test/templates/concat.yaml
concat: [1 2 4 5 6 7]
[root@master01 test]# cat templates/genPrivateKey.yaml 
{{$key:=genPrivateKey "rsa"}}
len: {{len $key}}
key: {{replace "\n" "" $key }}
[root@master01 test]# helm template . --show-only templates/genPrivateKey.yaml
---
# Source: test/templates/genPrivateKey.yaml
len: 3243
key: -----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
[root@master01 test]# cat templates/derivePassword.yaml 
derivePassword: {{derivePassword 20 "medium" "123" "abc" "www.baidu.com"}}
[root@master01 test]# helm template . --show-only templates/derivePassword.yaml
---
# Source: test/templates/derivePassword.yaml
derivePassword: Rob0#Riw

[root@master01 test]# cat templates/genCA.yaml 
{{- $ca := genCA "harbor-ca" 365 }}
ca.crt: {{ $ca.Cert | b64enc | quote }}
[root@master01 test]# helm template . --show-only templates/genCA.yaml
---
# Source: test/templates/genCA.yaml
ca.crt: "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"
[root@master01 test]# cat templates/genSignedCert.yaml 
{{- $ca := genCA "harbor-ca" 365 }}
{{- $cert := genSignedCert "www.baidu.com" nil (list "www.baidu.com" "www.google.com") 365 $ca }}
tls.crt: {{ $cert.Cert | b64enc | quote }}
tls.key: {{ $cert.Key | b64enc | quote }}
[root@master01 test]# helm template . --show-only templates/genSignedCert.yaml
---
# Source: test/templates/genSignedCert.yaml
tls.crt: "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"
tls.key: "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"

[root@master01 test]# cat templates/encryptAES.yaml 
encryptAES: {{encryptAES "123" "dddd"}}
[root@master01 test]# helm template . --show-only templates/encryptAES.yaml
---
# Source: test/templates/encryptAES.yaml
encryptAES: BgbJivGXDX+qhEz55aEergLaRX1SLg+Buv2SD7puDr4=

[root@master01 test]# cat templates/decryptAES.yaml 
{{$data:=encryptAES "123" "dddd"}}
decryptAES: {{decryptAES "123" $data}}
[root@master01 test]# helm template . --show-only templates/decryptAES.yaml
---
# Source: test/templates/decryptAES.yaml
decryptAES: dddd
[root@master01 test]# cat templates/uuidv4.yaml 
uuidv4: {{uuidv4}}
[root@master01 test]# helm template . --show-only templates/uuidv4.yaml
---
# Source: test/templates/uuidv4.yaml
uuidv4: 184129b3-bc65-4f55-b3cc-5fa53b45fa48
[root@master01 test]# cat templates/semver.yaml 
semver: {{semver "1.2.0"}}
[root@master01 test]# helm template . --show-only templates/semver.yaml
---
# Source: test/templates/semver.yaml
semver: 1.2.0
[root@master01 test]# cat templates/semverCompare.yaml 
{{- if semverCompare ">=1.9-0" .Capabilities.KubeVersion.GitVersion -}}
apiVesion: {{ "apps/v1"}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/semverCompare.yaml
---
# Source: test/templates/semverCompare.yaml
apiVesion: apps/v1
[root@master01 test]# cat templates/fail.yaml 
{{/*
{{- "this is a fail "| fail}}
*/}}
[root@master01 test]# cat templates/regexMatch.yaml 
{{- $cn:="192.168.198.145"}}
{{- if  (regexMatch `^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$` $cn) }}
url: {{$cn}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/regexMatch.yaml
---
# Source: test/templates/regexMatch.yaml
url: 192.168.198.145
[root@master01 test]# cat templates/mustRegexMatch.yaml 
{{- $cn:="192.168.198.145"}}
{{- if  (mustRegexMatch `^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$` $cn) }}
url: {{$cn}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/mustRegexMatch.yaml
---
# Source: test/templates/mustRegexMatch.yaml
url: 192.168.198.145
[root@master01 test]# cat templates/regixFind.yaml 
{{- if .Values.tag | toString | regexFind "-r\\d+$|sha256:"}}
aa: bb
{{- end}}
[root@master01 test]# helm template . --show-only templates/regixFind.yaml
---
# Source: test/templates/regixFind.yaml
aa: bb
[root@master01 test]# cat templates/regixFind2.yaml 
{{- if .Values.tag2 | toString | regexFind "-r\\d+$"}}
aa: bb
{{- end}}
[root@master01 test]# helm template . --show-only templates/regixFind2.yaml
---
# Source: test/templates/regixFind2.yaml
aa: bb
[root@master01 test]# cat templates/regexFindAll.yaml 
find: {{ regexFindAll "\\d+" "34343asfd112211" -1}}
[root@master01 test]# helm template . --show-only templates/regexFindAll.yaml
---
# Source: test/templates/regexFindAll.yaml
find: [34343 112211]
[root@master01 test]# cat templates/mustRegexFindAll.yaml 
mustRegexFindAll: {{ mustRegexFindAll "\\d+" "34343asfd112211" -1}}
[root@master01 test]# helm template . --show-only templates/mustRegexFindAll.yaml
---
# Source: test/templates/mustRegexFindAll.yaml
mustRegexFindAll: [34343 112211]

[root@master01 test]# cat templates/mustRegexFind.yaml 
find: {{ mustRegexFind "\\d+" "34343asfd112211" }}
[root@master01 test]# helm template . --show-only templates/mustRegexFind.yaml
---
# Source: test/templates/mustRegexFind.yaml
find: 34343
[root@master01 test]# cat templates/regexReplaceAll.yaml 
regexReplaceAll: {{ regexReplaceAll "\\d+" "34343asfd112211" "xxx"}}
[root@master01 test]# helm template . --show-only templates/regexReplaceAll.yaml
---
# Source: test/templates/regexReplaceAll.yaml
regexReplaceAll: xxxasfdxxx
[root@master01 test]# cat templates/mustRegexReplaceAll.yaml 
mustRegexReplaceAll: {{ mustRegexReplaceAll "\\d+" "34343asfd112211" "xxx"}}
[root@master01 test]# helm template . --show-only templates/mustRegexReplaceAll.yaml
---
# Source: test/templates/mustRegexReplaceAll.yaml
mustRegexReplaceAll: xxxasfdxxx
[root@master01 test]# cat templates/regexReplaceAllLiteral.yaml 
regexReplaceAllLiteral: {{ regexReplaceAllLiteral "(\\d+)" "34343asfd112211" "$1"}}
[root@master01 test]# helm template . --show-only templates/regexReplaceAllLiteral.yaml
---
# Source: test/templates/regexReplaceAllLiteral.yaml
regexReplaceAllLiteral: $1asfd$1
[root@master01 test]# cat templates/mustRegexReplaceAllLiteral.yaml 
mustRegexReplaceAllLiteral: {{mustRegexReplaceAllLiteral "(\\d+)" "34343asfd112211" "$1"}}
[root@master01 test]# helm template . --show-only templates/mustRegexReplaceAllLiteral.yaml
---
# Source: test/templates/mustRegexReplaceAllLiteral.yaml
mustRegexReplaceAllLiteral: $1asfd$1
[root@master01 test]# cat templates/regexSplit.yaml 
regexSplit: {{regexSplit "\\d+" "888ss8ff8dd" -1}}
[root@master01 test]# helm template . --show-only templates/regexSplit.yaml
---
# Source: test/templates/regexSplit.yaml
regexSplit: [ ss ff dd]
[root@master01 test]# cat templates/mustRegexSplit.yaml 
mustRegexSplit: {{mustRegexSplit "\\d+" "888ss8ff8dd" -1}}
[root@master01 test]# helm template . --show-only templates/mustRegexSplit.yaml
---
# Source: test/templates/mustRegexSplit.yaml
mustRegexSplit: [ ss ff dd]
[root@master01 test]# cat templates/urlParse.yaml 
urlParse: |
  {{urlParse "http://www.baidu.com"}}
[root@master01 test]# helm template . --show-only templates/urlParse.yaml
---
# Source: test/templates/urlParse.yaml
urlParse: |
  map[fragment: host:www.baidu.com hostname:www.baidu.com opaque: path: query: scheme:http userinfo:]
[root@master01 test]# cat templates/urlJoin.yaml 
{{- $di:=dict "scheme" "http" "host" "www.baidu.com" }}
url: {{urlJoin $di}}
[root@master01 test]# helm template . --show-only templates/urlJoin.yaml
---
# Source: test/templates/urlJoin.yaml
url: http://www.baidu.com
[root@master01 test]# cat templates/define.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
  {{- template "mychart.labels" }}
data:
  myvalue: "Hello World"
[root@master01 test]# helm template . --show-only templates/define.yaml
---
# Source: test/templates/define.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
  labels:
    generator: helm
    date: 2020-04-11
data:
  myvalue: "Hello World"
[root@master01 test]# cat templates/dictAndFunc.yaml 
{{- $di:=dict "aa" "av" "bb" "bv"}}
dict: {{$di}}
{{- $di:= set $di "aa" "avv"}}
{{- $di:=set $di "cc" "cv"}}
dict: {{$di}}
{{- $di:=unset $di "aa"}}
dict: {{$di}}
{{- if hasKey $di "cc"}}
dict: has cc
{{- end}}
{{- $dic2:=dict "cc" "cv" "dd" "dv"}}
pluck: {{pluck "cc" $di $dic2}}
{{- $di:=merge $di $dic2}}
di: {{$di}}
keys: {{keys $di}}
dd: {{pick $di "dd"}}
di: {{$di}}
{{- $di:=omit $di "dd"}}
di: {{$di}}
[root@master01 test]# helm template . --show-only templates/dictAndFunc.yaml
---
# Source: test/templates/dictAndFunc.yaml
dict: map[aa:av bb:bv]
dict: map[aa:avv bb:bv cc:cv]
dict: map[bb:bv cc:cv]
dict: has cc
pluck: [cv cv]
di: map[bb:bv cc:cv dd:dv]
keys: [dd bb cc]
dd: map[dd:dv]
di: map[bb:bv cc:cv dd:dv]
di: map[bb:bv cc:cv]
[root@master01 test]# cat templates/file.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  {{- $files := .Files }}
  {{- range tuple "config1.toml"  "config2.toml"  "config3.toml"  }}
  {{ . }}: |-
    {{ $files.Get . }}
  {{- end }}
[root@master01 test]# helm template . --show-only templates/file.yaml
---
# Source: test/templates/file.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  config1.toml: |-
    aa=bb

  config2.toml: |-
    aa=bb

  config3.toml: |-
    aa=bb
[root@master01 test]# cat templates/fromJson.yaml 
{{- $json:=(fromJson .Values.jsonTemp)}}
{{- range $key,$value:=$json}}
{{$key}}: {{$value}}
{{- end }}
[root@master01 test]# helm template . --show-only templates/fromJson.yaml
---
# Source: test/templates/fromJson.yaml
aa: bb
cc: dd
[root@master01 test]# cat templates/fromYaml.yaml 
{{- $v:= (fromYaml .Values.testYaml)}}
{{- range $key,$value:= $v.containers}}
{{$key}}: {{$value}}
{{- end}}
[root@master01 test]# helm template . --show-only templates/fromYaml.yaml
---
# Source: test/templates/fromYaml.yaml
image: b
name: a
[root@master01 test]# cat templates/global.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
data:
  salad: {{ .Values.global.salad }}
[root@master01 test]# helm template . --show-only templates/global.yaml
---
# Source: test/templates/global.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
data:
  salad: caesar
[root@master01 test]# cat templates/has.yaml 
{{- if .Capabilities.APIVersions.Has "batch/v1" }}
aa: bb
{{- end}}
[root@master01 test]# helm template . --show-only templates/has.yaml
---
# Source: test/templates/has.yaml
aa: bb
[root@master01 test]# cat templates/include.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Release.Name }}-configmap
  labels:
    {{- include "mychart.app" . | nindent 4 }}
data:
  myvalue: "Hello World"
  {{- range $key, $val := .Values.favorite }}
  {{ $key }}: {{ $val | quote }}
  {{- end }}
  {{- include "mychart.app" . | nindent 2 }}
[root@master01 test]# helm template . --show-only templates/include.yaml
---
# Source: test/templates/include.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: RELEASE-NAME-configmap
  labels:
    app_name: test
    app_version: "0.1.0+2020-04-11"
data:
  myvalue: "Hello World"
  drink: "coffee"
  food: "rice"
  fruit: 
  app_name: test
  app_version: "0.1.0+2020-04-11"
[root@master01 test]# cat templates/multifile.yaml 
apiVersion: v1
kind: ConfigMap
metadata:
  name: conf
data:
{{ (.Files.Glob "foo/*").AsConfig | indent 2 }}
---
apiVersion: v1
kind: Secret
metadata:
  name: very-secret
type: Opaque
data:
{{ (.Files.Glob "bar/*").AsSecrets | indent 2 }}
[root@master01 test]# helm template . --show-only templates/multifile.yaml
---
# Source: test/templates/multifile.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: conf
data:
  aa: |
    aa
  bb: |
    bb
---
# Source: test/templates/multifile.yaml
apiVersion: v1
kind: Secret
metadata:
  name: very-secret
type: Opaque
data:
  aa: YWEK
  bb: YmIK

[root@master01 test]# cat templates/Template.yaml 
data: {{ include (print $.Template.BasePath "/toYaml.yaml") .|b64enc }}
[root@master01 test]# helm template . --show-only templates/Template.yaml
---
# Source: test/templates/Template.yaml
data: YXBpVmVyc2lvbjogdjEKa2luZDogUG9kCm1lYXRkYXRhOgogIG5hbWU6IFJFTEVBU0UtTkFNRS1wb2QKc3BlYzoKICBjb250YWluZXJzOgogIC0gbmFtZTogbmdpbngKICAgIGltYWdlOiBuZ2lueAogICAgcmVzb3VyY2VzOgogICAgICBsaW1pdHM6CiAgICAgICAgY3B1OiAxMDBtCiAgICAgICAgbWVtb3J5OiAxMjhNaQogICAgICByZXF1ZXN0czoKICAgICAgICBjcHU6IDEwMG0K
[root@master01 test]# cat templates/toToml.yaml 
toml: |
{{toToml .Values.toml|indent 4 }}
[root@master01 test]# helm template . --show-only templates/toToml.yaml
---
# Source: test/templates/toToml.yaml
toml: |
    [test]
      aa = "bb"
      cc = "dd"
[root@master01 test]# cat templates/toYaml.yaml 
apiVersion: v1
kind: Pod
meatdata:
  name: {{.Release.Name}}-pod
spec:
  containers:
  - name: nginx
    image: nginx
{{toYaml .Values.resources|indent 4}}
[root@master01 test]# helm template . --show-only templates/toYaml.yaml
---
# Source: test/templates/toYaml.yaml
apiVersion: v1
kind: Pod
meatdata:
  name: RELEASE-NAME-pod
spec:
  containers:
  - name: nginx
    image: nginx
    resources:
      limits:
        cpu: 100m
        memory: 128Mi
      requests:
        cpu: 100m
[root@master01 test]# cat templates/tpl.yaml 
apiVersion: v1
kind: ConfigMap
matadata:
  name: {{.Release.Name}}-configmap
data:
  tcp: {{tpl .Values.tcp .}}
  name: {{ tpl .Values.template . }}
[root@master01 test]# helm template . --show-only templates/tpl.yaml
---
# Source: test/templates/tpl.yaml
apiVersion: v1
kind: ConfigMap
matadata:
  name: RELEASE-NAME-configmap
data:
  tcp: 5
  name: Tom
[root@master01 test]# cat templates/variableAssign.yaml 
ApiVersion: v1
Kind: ConfigMap
Metadata:
  name: {{ .Release.Name }}-configmap
Data:
  myvalue: "Hello World"
  # 由于下方的with语句引入相对命令空间,无法通过.Release引入,提前定义relname变量
  {{- $relname := .Release.Name -}}
  {{- with .Values.favorite }}
  food: {{ .food }}
  release: {{ $relname }}
  # 或者可以使用$符号,引入全局命名空间
  release: {{ $.Release.Name }}
  {{- end }}
[root@master01 test]# helm template . --show-only templates/variableAssign.yaml
---
# Source: test/templates/variableAssign.yaml
ApiVersion: v1
Kind: ConfigMap
Metadata:
  name: RELEASE-NAME-configmap
Data:
  myvalue: "Hello World"
  # 由于下方的with语句引入相对命令空间,无法通过.Release引入,提前定义relname变量
  food: rice
  release: RELEASE-NAME
  # 或者可以使用$符号,引入全局命名空间
  release: RELEASE-NAME

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k8s use-context是什么 kubectl的命令用于在 Kubernetes 集群中切换上下文（context），从而方便地在多个集群或命名空间之间进行操作。一个上下文定义了kubectl使用的和的组合。 阅读详情

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