Add server CLI flag and config fields for embedded registry

pkg/agent/config/config.go

@@ -503,6 +503,7 @@ func get(ctx context.Context, envInfo *cmds.Agent, proxy proxy.Proxy) (*config.N
 		ContainerRuntimeEndpoint: envInfo.ContainerRuntimeEndpoint,
 		ImageServiceEndpoint:     envInfo.ImageServiceEndpoint,
 		MultiClusterCIDR:         controlConfig.MultiClusterCIDR,
+		EmbeddedRegistry:         controlConfig.EmbeddedRegistry,
 		FlannelBackend:           controlConfig.FlannelBackend,
 		FlannelIPv6Masq:          controlConfig.FlannelIPv6Masq,
 		FlannelExternalIP:        controlConfig.FlannelExternalIP,

pkg/cli/cmds/server.go

@@ -77,6 +77,7 @@ type Server struct {
 	DisableAPIServer         bool
 	DisableControllerManager bool
 	DisableETCD              bool
+	EmbeddedRegistry         bool
 	ClusterInit              bool
 	ClusterReset             bool
 	ClusterResetRestorePath  string
@@ -489,6 +490,11 @@ var ServerFlags = []cli.Flag{
 		Usage:       "(experimental/components) Disable running etcd",
 		Destination: &ServerConfig.DisableETCD,
 	},
+	&cli.BoolFlag{
+		Name:        "embedded-registry",
+		Usage:       "(experimental/components) Enable embedded distributed container registry; requires use of embedded containerd",
+		Destination: &ServerConfig.EmbeddedRegistry,
+	},
 	NodeNameFlag,
 	WithNodeIDFlag,
 	NodeLabels,

pkg/cli/server/server.go

@@ -166,6 +166,7 @@ func run(app *cli.Context, cfg *cmds.Server, leaderControllers server.CustomCont
 	serverConfig.ControlConfig.DisableAPIServer = cfg.DisableAPIServer
 	serverConfig.ControlConfig.DisableScheduler = cfg.DisableScheduler
 	serverConfig.ControlConfig.DisableControllerManager = cfg.DisableControllerManager
+	serverConfig.ControlConfig.EmbeddedRegistry = cfg.EmbeddedRegistry
 	serverConfig.ControlConfig.ClusterInit = cfg.ClusterInit
 	serverConfig.ControlConfig.EncryptSecrets = cfg.EncryptSecrets
 	serverConfig.ControlConfig.EtcdExposeMetrics = cfg.EtcdExposeMetrics

pkg/daemons/config/types.go

@@ -43,6 +43,7 @@ type Node struct {
 	NoFlannel                bool
 	SELinux                  bool
 	MultiClusterCIDR         bool
+	EmbeddedRegistry         bool
 	FlannelBackend           string
 	FlannelConfFile          string
 	FlannelConfOverride      bool
@@ -184,6 +185,7 @@ type Control struct {
 	DisableKubeProxy         bool
 	DisableScheduler         bool
 	DisableServiceLB         bool
+	EmbeddedRegistry         bool
 	Rootless                 bool
 	ServiceLBNamespace       string
 	EnablePProf              bool