Testcluster: CAPO Load Balancer Provider defaults to Amphora

[sbrgr]

It seems that the creation of the load balancers using CAPO would default to the amphora provider when deploying the testcluster.

I tried to setup the testcluster with ovn as load balancer provider with use_ovn_lb_provider = "true" and got the following error message from the capo-controller-manager pod:

I0308 11:17:59.066472       1 recorder.go:104] "events: Failed to create load balancer k8s-clusterapi-cluster-testcluster-testcluster-kubeapi: Bad request with: [POST http://<my-ip>:9876/v2.0/lbaas/loadbalancers], error message: 
{
    "faultcode": "Client",
    "faultstring": "Provider 'amphora' is not enabled.",
    "debuginfo": null
}" 
type="Warning" 
object=
{
    "kind": "OpenStackCluster",
    "namespace": "testcluster",
    "name": "testcluster-n4bmp",
    "uid": "c406906f-48f8-4169-bf3e-66bd579d02f0",
    "apiVersion": "infrastructure.cluster.x-k8s.io/v1alpha7",
    "resourceVersion": "1720"
}
reason="Failedcreateloadbalancer"

A look into the CAPO repo main.go indicates that the value of the provider: key in the OpenStackClusterTemplate apiServerLoadBalancer block has to be explicitly set to use ovn as LB-provider:

...
fs.StringVar(&lbProvider, "lb-provider", "amphora",
        "The name of the load balancer provider (amphora or ovn) to use (defaults to amphora).")
...

Adding provider: ovn to the cluster-template.yaml helped to create the load balancer for the testcluster via ovn:

---
# apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
apiVersion: infrastructure.cluster.x-k8s.io/v1alpha7
kind: OpenStackClusterTemplate
metadata:
  name: ${CLUSTER_NAME}-${OPENSTACK_CLUSTER_GEN}
spec:
template:
  spec:
  ...
  apiServerLoadBalancer:
    enabled: true
    provider: ovn
  ...
---

Environment: commit: 9c1f526f29c885ed88c04ae78f5765ddbd5ca1fa

clusterapi_version = "1.6.1" capi_openstack_version = "0.9.0" use_ovn_lb_provider = "true"

[chess-knight]

It seems that the creation of the load balancers using CAPO would default to the amphora provider when deploying the testcluster.

Yes, that's true.

I tried to setup the testcluster with ovn as load balancer provider with use_ovn_lb_provider = "true" and got the following error message from the capo-controller-manager pod

use_ovn_lb_provider only affects loadbalancer in front of ingress-nginx, see docs.

Adding provider: ovn to the cluster-template.yaml helped to create the load balancer for the testcluster via ovn

Yes, this is also true. See also https://github.com/SovereignCloudStack/k8s-cluster-api-provider/issues/706#issuecomment-1996746037

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