kubernetes/cmd/kube-proxy/app/server_other.go

// platformApplyDefaults is called after parsing command-line flags and/or reading the
// config file, to apply platform-specific default values to config.
func (o *Options) platformApplyDefaults(config *proxyconfigapi.KubeProxyConfiguration) { … }

var unsupportedError …

// platformSetup is called after setting up the ProxyServer, but before creating the
// Proxier. It should fill in any platform-specific fields and perform other
// platform-specific setup.
func (s *ProxyServer) platformSetup(ctx context.Context) error { … }

// platformCheckSupported is called immediately before creating the Proxier, to check
// what IP families are supported (and whether the configuration is usable at all).
func (s *ProxyServer) platformCheckSupported(ctx context.Context) (ipv4Supported, ipv6Supported, dualStackSupported bool, err error) { … }

// createProxier creates the proxy.Provider
func (s *ProxyServer) createProxier(ctx context.Context, config *proxyconfigapi.KubeProxyConfiguration, dualStackMode, initOnly bool) (proxy.Provider, error) { … }

// platformCleanup removes stale kube-proxy rules that can be safely removed.
func platformCleanup(ctx context.Context, mode proxyconfigapi.ProxyMode, cleanupAndExit bool) error { … }