string 如何使用 helm 设置多个值？
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How to set multiple values with helm?
提问by online
Use helminstall can set value when install a chart like:
使用helminstall 可以在安装图表时设置值，例如：
helm install --set favoriteDrink=slurm ./mychart
Now want to set value like:
现在想设置如下值：
helm install --set aws.subnets="subnet-123456, subnet-654321" ./mychart
But failed:
但失败了：
Error: failed parsing --set data: key " subnet-654321" has no value
It seems that helm's --setknow comma ,and check the next string as a key. So can't use in this case when set such string?
看来helm的--set知识逗号,，并检查下一个字符串作为重点。那么在设置这样的字符串时不能在这种情况下使用吗？
Tested this way
这样测试
helm install charts/mychart \
--set aws.subnets={subnet-123456,subnet-654321}
Got error:
有错误：
Error: This command needs 1 argument: chart name
This way works
这种方式有效
helm install charts/mychart \
--set aws.subnets="subnet-123456\,subnet-654321"
Reference
参考
回答by Javier Salmeron
According to https://github.com/kubernetes/helm/issues/1987#issuecomment-280497496, you set multiple values using curly braces, for example:
根据https://github.com/kubernetes/helm/issues/1987#issuecomment-280497496，您可以使用花括号设置多个值，例如：
--set foo={a,b,c}
So, in your case it would be like this
所以，在你的情况下，它会是这样的
--set aws.subnets={subnet-123456,subnet-654321}
回答by Marc
The CLI format and limitations can vary depending on what would be expected in a YAML version. For example, if the YAML manifest requires fieldsto be populated with a list of values the YAML would look like this:
CLI 格式和限制可能会有所不同，具体取决于 YAML 版本中的预期内容。例如，如果 YAML 清单需要fields填充一个值列表，YAML 将如下所示：
field:
- value1
- value2
- value3
This would be expressed in the helm CLI like so
这将在 helm CLI 中这样表达
--set field[0]=value1 --set field[1]=value2 --set field[2]=value3
The documentation also refers to --set field={value1,value2,value3}working. In some cases that results in Error: This command needs 1 argument: chart namewhich is why I provide the above suggestion
该文档还涉及--set field={value1,value2,value3}工作。在某些情况下，Error: This command needs 1 argument: chart name这就是我提供上述建议的原因
There are also limitations to what characters may be used per the documentation:
对于每个文档可以使用的字符也有限制：
You can use a backslash to escape the characters;
--set name="value1\,value2"will become:name: "value1,value2"
您可以使用反斜杠来转义字符；
--set name="value1\,value2"会变成：name: "value1,value2"
回答by Amit Yadav
With thischange being merged, Helmnow supports using multiple --setcommand with helm installcommand.
随着这种变化被合并，头盔现在支持使用多个--set带有命令helm install的命令。
Taking from the link mentioned above:
从上面提到的链接中获取：
Manually tested, and looks awesome!
手动测试，看起来棒极了！
? helm install --dry-run --debug docs/examples/alpine \
--set foo=bar \
--set bar=baz,baz=lurman \
--set foo=banana
SERVER: "local4host:44134"
CHART PATH: /Users/mattbutcher/Code/Go/src/k8s.io/helm/docs/examples/alpine
NAME: masked-monkey
REVISION: 1
RELEASED: Thu Jan 12 17:09:07 2017
CHART: alpine-0.1.0
USER-SUPPLIED VALUES:
bar: baz
baz: lurman
foo: banana
COMPUTED VALUES:
Name: my-alpine
bar: baz
baz: lurman
foo: banana
...
As expected, the last --set overrode the first --set.
正如预期的那样，最后一个 --set 覆盖了第一个 --set。
P.S: Upgrade your Helm version in case this doesn't work for you. It worked perfectly for me with Helm-v3.0.1.
PS：如果这对您不起作用，请升级您的 Helm 版本。它对我来说非常适合Helm-v3.0.1。
回答by acca
Regarding this comment How to set multiple values with helm?I used quotes and this worked:
关于此评论How to set multiple values with helm? 我使用了引号，这有效：
--set aws.subnets="{subnet-123456,subnet-654321}"
