Vault injects missing variable as a variable with <no_value> string value

[GinoPane]

We use vault to inject variables into containers, like this:

When the variable "SOME_VAR" is missing from the vault UI, it is being injected as variable with "<no_value>":

Why is it happening? Shouldn't it be skipped somehow?

[maxb]

Please see https://github.com/hashicorp/consul-template/issues/972 for discussion on this topic.

[VioletHynes]

Hi there!

Going to close this - as discussed in https://github.com/hashicorp/consul-template/issues/972 (thanks maxb for linking that!) - there are two ways to change this behaviour:

• Use the error_on_missing_key configuration Vault Agent: https://developer.hashicorp.com/vault/docs/agent/template#error_on_missing_key
• Use another with clause to ensure the Data is there: e.g. {{ with .Data.b }}

Thanks! Violet