kubernetes-cn/kubernetes: pkg/registry/rbac/rest/storage_rbac.go; 26 LoC

Found a possible issue in [kubernetes-cn/kubernetes](https://www.github.com/kubernetes-cn/kubernetes) at [pkg/registry/rbac/rest/storage_rbac.go](https://github.com/kubernetes-cn/kubernetes/blob/c3bec0bae43b4c46800a13f44534ce6cd14b5f40/pkg/registry/rbac/rest/storage_rbac.go#L237-L262)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first
issue it finds, so please do not limit your consideration to the contents of the below message.

> reference to role was used in a composite literal at line 239

[Click here to see the code in its original context.](https://github.com/kubernetes-cn/kubernetes/blob/c3bec0bae43b4c46800a13f44534ce6cd14b5f40/pkg/registry/rbac/rest/storage_rbac.go#L237-L262)

Click here to show the 26 line(s) of Go which triggered the analyzer.

```go
for _, role := range roles {
opts := reconciliation.ReconcileRoleOptions{
Role: reconciliation.RoleRuleOwner{Role: &role},
Client: reconciliation.RoleModifier{Client: clientset, NamespaceClient: coreclientset.Namespaces()},
Confirm: true,
}
err := retry.RetryOnConflict(retry.DefaultBackoff, func() error {
result, err := opts.Run()
if err != nil {
return err
}
switch {
case result.Protected && result.Operation != reconciliation.ReconcileNone:
klog.Warningf("skipped reconcile-protected role.%s/%s in %v with missing permissions: %v", rbac.GroupName, role.Name, namespace, result.MissingRules)
case result.Operation == reconciliation.ReconcileUpdate:
klog.Infof("updated role.%s/%s in %v with additional permissions: %v", rbac.GroupName, role.Name, namespace, result.MissingRules)
case result.Operation == reconciliation.ReconcileCreate:
klog.Infof("created role.%s/%s in %v", rbac.GroupName, role.Name, namespace)
}
return nil
})
if err != nil {
// don't fail on failures, try to create as many as you can
utilruntime.HandleError(fmt.Errorf("unable to reconcile role.%s/%s in %v: %v", rbac.GroupName, role.Name, namespace, err))
}
}

```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: c3bec0bae43b4c46800a13f44534ce6cd14b5f40