Create multi-exec binary

main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/docker/docker/pkg/reexec"
+
+	"github.com/containernetworking/cni/pkg/version"
+	bv "github.com/containernetworking/plugins/pkg/utils/buildversion"
+	hostlocal "github.com/containernetworking/plugins/plugins/ipam/host-local"
+	"github.com/containernetworking/plugins/plugins/main/bridge"
+	"github.com/containernetworking/plugins/plugins/main/loopback"
+	"github.com/containernetworking/plugins/plugins/meta/bandwidth"
+	"github.com/containernetworking/plugins/plugins/meta/firewall"
+	"github.com/containernetworking/plugins/plugins/meta/flannel"
+	"github.com/containernetworking/plugins/plugins/meta/portmap"
+)
+
+func main() {
+	os.Args[0] = filepath.Base(os.Args[0])
+	reexec.Register("bandwidth", bandwidth.Main)
+	reexec.Register("bridge", bridge.Main)
+	reexec.Register("firewall", firewall.Main)
+	reexec.Register("flannel", flannel.Main)
+	reexec.Register("host-local", hostlocal.Main)
+	reexec.Register("loopback", loopback.Main)
+	reexec.Register("portmap", portmap.Main)
+	if !reexec.Init() {
+		_, _ = fmt.Fprintln(os.Stderr, bv.BuildString("plugins"))
+		_, _ = fmt.Fprintf(os.Stderr, "CNI protocol versions supported: %s\n", strings.Join(version.All.SupportedVersions(), ", "))
+	}
+}