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create.go
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create.go
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package updateinfrarefs
import (
"context"
"fmt"
"github.com/giantswarm/microerror"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"github.com/giantswarm/cluster-operator/pkg/label"
"github.com/giantswarm/cluster-operator/service/controller/controllercontext"
"github.com/giantswarm/cluster-operator/service/controller/key"
)
func (r *Resource) EnsureCreated(ctx context.Context, obj interface{}) error {
cr, err := meta.Accessor(obj)
if err != nil {
return microerror.Mask(err)
}
or, err := r.toObjRef(obj)
if err != nil {
return microerror.Mask(err)
}
cc, err := controllercontext.FromContext(ctx)
if err != nil {
return microerror.Mask(err)
}
// Here we fetch the provider specific CR defined as infrastructure reference
// in the CAPI type. We use an unstructured object and therefore need to set
// the api version and kind accordingly. If we would not do that the
// controller-runtime client cannot find the right object.
ir := &unstructured.Unstructured{}
{
r.logger.LogCtx(ctx, "level", "debug", "message", "finding infrastructure reference")
ir.SetAPIVersion(or.APIVersion)
ir.SetKind(or.Kind)
err = r.k8sClient.CtrlClient().Get(ctx, key.ObjRefToNamespacedName(or), ir)
if err != nil {
return microerror.Mask(err)
}
r.logger.LogCtx(ctx, "level", "debug", "message", "found infrastructure reference")
}
var updated bool
// Syncing the provider operator version label, e.g. for aws-operator,
// kvm-operator or the like.
{
l := fmt.Sprintf("%s-operator.giantswarm.io/version", r.provider)
d := cc.Status.Versions[l]
c, ok := ir.GetLabels()[l]
if ok && d != "" && d != c {
labels := ir.GetLabels()
labels[l] = d
ir.SetLabels(labels)
updated = true
r.logger.LogCtx(ctx, "level", "debug", "message", fmt.Sprintf("label value of %#q changed from %#q to %#q", l, c, d))
}
}
// Syncing the Giant Swarm Release version.
{
l := label.ReleaseVersion
d, ok := cr.GetLabels()[l]
c := ir.GetLabels()[l]
if ok && d != "" && d != c {
labels := ir.GetLabels()
labels[l] = d
ir.SetLabels(labels)
updated = true
r.logger.LogCtx(ctx, "level", "debug", "message", fmt.Sprintf("label value of %#q changed from %#q to %#q", l, c, d))
}
}
if updated {
r.logger.LogCtx(ctx, "level", "debug", "message", fmt.Sprintf("updating infrastructure reference %#q", ir.GetNamespace()+"/"+ir.GetName()))
err = r.k8sClient.CtrlClient().Update(ctx, ir)
if err != nil {
return microerror.Mask(err)
}
r.logger.LogCtx(ctx, "level", "debug", "message", fmt.Sprintf("updated infrastructure reference %#q", ir.GetNamespace()+"/"+ir.GetName()))
}
return nil
}