Imports of kube-controller-manager command

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/spf13/pflagPackage pflag is a drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
k8s.io/kubernetes/cmd/kube-controller-manager/appPackage app implements a server that runs a set of active components.
k8s.io/kubernetes/cmd/kube-controller-manager/app/optionsPackage options provides the flags used for the controller manager.
k8s.io/kubernetes/pkg/client/metrics/prometheus
k8s.io/kubernetes/pkg/healthz
k8s.io/kubernetes/pkg/util/flag
k8s.io/kubernetes/pkg/util/logs
k8s.io/kubernetes/pkg/version/prometheus
k8s.io/kubernetes/pkg/version/verflag
osPackage os provides a platform-independent interface to operating system functionality.