/
main.go
74 lines (64 loc) · 1.43 KB
/
main.go
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package main
import (
"os"
"github.com/Sirupsen/logrus"
"github.com/pkg/errors"
"github.com/rancher/routes-updater/providers"
"github.com/rancher/routes-updater/providers/hostgw"
"github.com/urfave/cli"
)
var VERSION = "v0.0.0-dev"
func main() {
app := cli.NewApp()
app.Name = "routes-updater"
app.Version = VERSION
app.Usage = "Update L3 routes for per-host-subnet networking"
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "listen",
Value: ":8999",
},
cli.BoolFlag{
Name: "debug, d",
EnvVar: "RANCHER_DEBUG",
},
cli.StringFlag{
Name: "metadata-address",
Value: providers.DefaultMetadataAddress,
EnvVar: "RANCHER_METADATA_ADDRESS",
},
cli.StringFlag{
Name: "provider, p",
},
}
app.Action = func(ctx *cli.Context) {
if err := appMain(ctx); err != nil {
logrus.Fatal(err)
}
}
app.Run(os.Args)
}
func appMain(ctx *cli.Context) error {
if ctx.Bool("debug") {
logrus.SetLevel(logrus.DebugLevel)
}
done := make(chan error)
var p providers.Provider
switch ctx.String("provider") {
case hostgw.ProviderName:
p, err := hostgw.NewInst(ctx.String("metadata-address"))
if err != nil {
return err
}
p.Start()
default:
return errors.New("No provider specified")
}
listenPort := ctx.String("listen")
logrus.Debugf("About to start server and listen on port: %v", listenPort)
go func() {
s := &APIServer{P: p}
done <- s.ListenAndServe(listenPort)
}()
return <-done
}