Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Var substitution opt-in docs #389

Merged
merged 2 commits into from
Jul 7, 2021
Merged

Var substitution opt-in docs #389

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
69f9ebd
Var substitution opt-in
oliverbaehler Jul 7, 2021
6cc6e1d
More explicit example
oliverbaehler Jul 7, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 14 additions & 0 deletions docs/spec/v1beta1/kustomization.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -803,6 +803,20 @@ labeling or annotating them with:
kustomize.toolkit.fluxcd.io/substitute: disabled
```

Substitution needs to be defined opt-in. If not at least a single variable or resource to substitute from is defined, no var substitution is performed. So even expressions which should evaluate to a default value won't be evaluated. To enable var substitution, just set at least one variable which will enable var substitution for the Kustomization, if you don't have any other variables on the Kustomization. For example:
oliverbaehler marked this conversation as resolved.
Show resolved Hide resolved

```
apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
kind: Kustomization
metadata:
name: apps
spec:
...
postBuild:
substitute:
enabled: "true"
hiddeco marked this conversation as resolved.
Show resolved Hide resolved
```

You can replicate the controller post-build substitutions locally using
[kustomize](https://github.com/kubernetes-sigs/kustomize)
and Drone's [envsubst](https://github.com/drone/envsubst):
Expand Down