📄 Templating
Helmwave uses Go templates for templating.
Helmwave supports all built-in functions / sprig / gomplate / custom.
Sprig
If you've ever written helm charts, then you're already familiar with it.
http://masterminds.github.io/sprig/
Gomplate
Since v0.14.0. Helmwave works with Gomplate.
How to enable gomplate for v0.14.0 and later
helmwave.yml
template:
gomplate:
enabled: true
see example
Issues
- https://github.com/helmwave/helmwave/issues/159
- https://github.com/helmwave/helmwave/issues/103
Custom
toYaml
marshals a map into a stringfromYaml
reads a golang string and generates a mapreadFile
get file as stringhasKey
get true if field is existsget
(Sprig's originalget
is available assprigGet
)setValueAtPath
PATH NEW_VALUE traverses a golang map, replaces the value at the PATH with NEW_VALUErequiredEnv
The requiredEnv function allows you to declare a particular environment variable as required for template rendering. If the environment variable is unset or empty, the template rendering will fail with an error message.