Unable to use Kamelet spec in a custom CRD

[lburgazzoli]

I'm trying to use the Kamelet spec in a custom controller built using operator-sdk 1.2.x but it looks like the manifests cannot be built, to reproduce the issue:

1. install controller-gen v0.4.1
2. install a recent kustomize
3. operator-sdk init --repo gihub.com/lburgazzoli/embedded-camel-k-cr
4. operator-sdk create api --group=example --version=v1alpha1 --kind=MyType
5. add a Field of type KameletSpec to your spec, like:

// MyTypeSpec defines the desired state of MyType
type MyTypeSpec struct {
	Kamelet *camelv1alpha1.KameletSpec `json:"kamelet,omitempty"`
}

6. run make manifests and you should get an error like:

$ make manifests 
controller-gen "crd:trivialVersions=true" rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
gihub.com/lburgazzoli/embedded-camel-k-cr/api/v1alpha1:-: conflicting types in allOf branches in schema: string vs object
Error: not all generators ran successfully
run `controller-gen crd:trivialVersions=true rbac:roleName=manager-role webhook paths=./... output:crd:artifacts:config=config/crd/bases -w` to see all available markers, or `controller-gen crd:trivialVersions=true rbac:roleName=manager-role webhook paths=./... output:crd:artifacts:config=config/crd/bases -h` for usage
make: *** [Makefile:58: manifests] Error 1

[astefanutti]

It seems related to the JSONSchemaProps field in KameletSpec.

This used to work in controller-gen v0.4.0, and I suspect this is caused by kubernetes-sigs/controller-tools@f8684f4.