ClusterInitHooks are generic hooks to provision resources on a test cluster regardless of which cluster type (e.g.

IsNamespaceAvailable checks for all Daemonsets, Deployment and Services in a given namespace to see if they are available (ready for minimum number of seconds).

AdminBinding is the name of the ClusterRoleBinding created to bind the AdminNamespace's default service account to the "cluster-admin" role.

AdminNamespace is the namespace used for administrative acts by KTF for purposes such as deploying addons.