argocd applicationset-controller 2.9.0 toYaml function not defined

[sdomula]

Describe the bug

When using the new toYaml function with argocd 2.9.0 in an applicationset to include the values for a helm chart argocd-applicationset-controller logs an error that toYaml is not defined.

To Reproduce

I applied the following argocd appliationset (I removed sensitive information):

apiVersion: argoproj.io/v1alpha1
kind: ApplicationSet
metadata:
  name: myset
  namespace: argocd
spec:
  goTemplate: true
  generators:
  - git:
    ...
  template:
    metadata:
      name: 'myset.{{ index .path.segments 1 }}'
    spec:
      project:  'myproject'
      source:
       ....
        helm:
          releaseName: 'myrelease'
          values: |
            {{ .values | toYaml }}

I am using the git generator and have, e.g., the following config file for the application set:

values:
  key: value
  nested:
    anotherKey: value

Expected behavior

It should create an appliation where it sets the values in the following way:

...
helm:
  releaseName: 'myrelease'
  values: |
    key: value
    nested:
      anotherKey: value

Version

I used the argocd helm chart (5.51.0) to install argocd

argocd: v2.9.0+9cf0c69.dirty
  BuildDate: 2023-11-06T15:13:36Z
  GitCommit: 9cf0c69bbe70393db40e5755e34715f30179ee09
  GitTreeState: dirty
  GoVersion: go1.21.3
  Compiler: gc
  Platform: darwin/amd64
argocd-server: v2.9.0+9cf0c69
  BuildDate: 2023-11-06T04:43:50Z
  GitCommit: 9cf0c69bbe70393db40e5755e34715f30179ee09
  GitTreeState: clean
  GoVersion: go1.21.3
  Compiler: gc
  Platform: linux/amd64
  Kustomize Version: v5.2.1 2023-10-19T20:13:51Z
  Helm Version: v3.12.1+gf32a527
  Kubectl Version: v0.24.2
  Jsonnet Version: v0.20.0

Logs

{"error":"failed to parse template {{ .values | toYaml }}\n: template: :1: function 
\"toYaml\" not defined", ...}

[ishitasequeira]

The feature PR #15063 did not get added to 2.9.0 release. Added the feature for v2.9.1.

cc: @crenshaw-dev

[sdomula]

@ishitasequeira Oh I see. It was mentioned in the release notes of 2.9.0. So that is a bit confusing :)

[crenshaw-dev]

Closing since 2.9.1 is out.