Merge pull request #15479 from feiskyer/gendocs

Auto commit by PR queue bot

cmd/kube-controller-manager/app/controllermanager.go

@@ -58,6 +58,7 @@ import (
 
 	"github.com/golang/glog"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
 )
 
@@ -137,6 +138,27 @@ func NewCMServer() *CMServer {
 	return &s
 }
 
+// NewControllerManagerCommand creates a *cobra.Command object with default parameters
+func NewControllerManagerCommand() *cobra.Command {
+	s := NewCMServer()
+	s.AddFlags(pflag.CommandLine)
+	cmd := &cobra.Command{
+		Use: "kube-controller-manager",
+		Long: `The Kubernetes controller manager is a daemon that embeds
+the core control loops shipped with Kubernetes. In applications of robotics and
+automation, a control loop is a non-terminating loop that regulates the state of
+the system. In Kubernetes, a controller is a control loop that watches the shared
+state of the cluster through the apiserver and makes changes attempting to move the
+current state towards the desired state. Examples of controllers that ship with
+Kubernetes today are the replication controller, endpoints controller, namespace
+controller, and serviceaccounts controller.`,
+		Run: func(cmd *cobra.Command, args []string) {
+		},
+	}
+
+	return cmd
+}
+
 // VolumeConfigFlags is used to bind CLI flags to variables.  This top-level struct contains *all* enumerated
 // CLI flags meant to configure all volume plugins.  From this config, the binary will create many instances
 // of volume.VolumeConfig which are then passed to the appropriate plugin. The ControllerManager binary is the only