Add stub methods for kube-proxy on non-linux/windows

cmd/kube-proxy/app/init_other.go

@@ -0,0 +1,34 @@
+//go:build !windows && !linux
+// +build !windows,!linux
+
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package app
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/spf13/pflag"
+)
+
+func initForOS(windowsService bool) error {
+	return fmt.Errorf(runtime.GOOS + "/" + runtime.GOARCH + "is unsupported")
+}
+
+func (o *Options) addOSFlags(fs *pflag.FlagSet) {
+}

cmd/kube-proxy/app/server_other.go

@@ -0,0 +1,60 @@
+//go:build !windows && !linux
+// +build !windows,!linux
+
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package app does all of the work necessary to configure and run a
+// Kubernetes app process.
+package app
+
+import (
+	"fmt"
+	"runtime"
+
+	"k8s.io/kubernetes/pkg/proxy"
+	proxyconfigapi "k8s.io/kubernetes/pkg/proxy/apis/config"
+)
+
+// 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 = fmt.Errorf(runtime.GOOS + "/" + runtime.GOARCH + "is unsupported")
+
+// 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() error {
+	return unsupportedError
+}
+
+// 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() (ipv4Supported, ipv6Supported, dualStackSupported bool, err error) {
+	return false, false, false, unsupportedError
+}
+
+// createProxier creates the proxy.Provider
+func (s *ProxyServer) createProxier(config *proxyconfigapi.KubeProxyConfiguration, dualStackMode, initOnly bool) (proxy.Provider, error) {
+	return nil, unsupportedError
+}
+
+// platformCleanup removes stale kube-proxy rules that can be safely removed.
+func platformCleanup(mode proxyconfigapi.ProxyMode, cleanupAndExit bool) error {
+	return unsupportedError
+}