clusterapi: Add worker asset to PreProvision

This is needed by OpenStack to provision the server group for workers in
the CAPI flow, based on the manifests potentially modified by the user.

Author: pierreprinetti

pkg/asset/cluster/cluster.go

@@ -70,6 +70,7 @@ func (c *Cluster) Dependencies() []asset.Asset {
 		&kubeconfig.AdminClient{},
 		&bootstrap.Bootstrap{},
 		&machine.Master{},
+		&machines.Worker{},
 		&machines.ClusterAPI{},
 		new(rhcos.Image),
 		&manifests.Manifests{},

pkg/infrastructure/clusterapi/clusterapi.go

@@ -58,6 +58,7 @@ func InitializeProvider(platform Provider) infrastructure.Provider {
 //nolint:gocyclo
 func (i *InfraProvider) Provision(dir string, parents asset.Parents) ([]*asset.File, error) {
 	manifestsAsset := &manifests.Manifests{}
+	workersAsset := &machines.Worker{}
 	capiManifestsAsset := &capimanifests.Cluster{}
 	capiMachinesAsset := &machines.ClusterAPI{}
 	clusterKubeconfigAsset := &kubeconfig.AdminClient{}
@@ -68,6 +69,7 @@ func (i *InfraProvider) Provision(dir string, parents asset.Parents) ([]*asset.F
 	masterIgnAsset := &machine.Master{}
 	parents.Get(
 		manifestsAsset,
+		workersAsset,
 		capiManifestsAsset,
 		clusterKubeconfigAsset,
 		clusterID,
@@ -110,6 +112,7 @@ func (i *InfraProvider) Provision(dir string, parents asset.Parents) ([]*asset.F
 			RhcosImage:       rhcosImage,
 			ManifestsAsset:   manifestsAsset,
 			MachineManifests: machineManifests,
+			WorkersAsset:     workersAsset,
 		}
 
 		if err := p.PreProvision(ctx, preProvisionInput); err != nil {

pkg/infrastructure/clusterapi/types.go

@@ -6,6 +6,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	"github.com/openshift/installer/pkg/asset/installconfig"
+	"github.com/openshift/installer/pkg/asset/machines"
 	"github.com/openshift/installer/pkg/asset/manifests"
 	"github.com/openshift/installer/pkg/asset/rhcos"
 )
@@ -33,6 +34,7 @@ type PreProvisionInput struct {
 	RhcosImage       *rhcos.Image
 	ManifestsAsset   *manifests.Manifests
 	MachineManifests []client.Object
+	WorkersAsset     *machines.Worker
 }
 
 // IgnitionProvider handles preconditions for bootstrap ignition and