Files
virtual-kubelet/cmd/virtual-kubelet/main.go
2019-05-06 17:26:05 -07:00

69 lines
1.8 KiB
Go

package main
import (
"context"
"os"
"os/signal"
"path/filepath"
"syscall"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/virtual-kubelet/virtual-kubelet/cmd/virtual-kubelet/commands/providers"
"github.com/virtual-kubelet/virtual-kubelet/cmd/virtual-kubelet/commands/root"
"github.com/virtual-kubelet/virtual-kubelet/cmd/virtual-kubelet/commands/version"
"github.com/virtual-kubelet/virtual-kubelet/log"
logruslogger "github.com/virtual-kubelet/virtual-kubelet/log/logrus"
"github.com/virtual-kubelet/virtual-kubelet/trace"
"github.com/virtual-kubelet/virtual-kubelet/trace/opencensus"
)
func main() {
ctx, cancel := context.WithCancel(context.Background())
sig := make(chan os.Signal, 1)
signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-sig
cancel()
}()
log.L = logruslogger.FromLogrus(logrus.NewEntry(logrus.StandardLogger()))
trace.T = opencensus.Adapter{}
var opts root.Opts
optsErr := root.SetDefaultOpts(&opts)
rootCmd := root.NewCommand(ctx, filepath.Base(os.Args[0]), opts)
rootCmd.AddCommand(version.NewCommand(), providers.NewCommand())
preRun := rootCmd.PreRunE
var logLevel string
rootCmd.PreRunE = func(cmd *cobra.Command, args []string) error {
if optsErr != nil {
return optsErr
}
if preRun != nil {
return preRun(cmd, args)
}
return nil
}
rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", "info", `set the log level, e.g. "debug", "info", "warn", "error"`)
rootCmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error {
if logLevel != "" {
lvl, err := logrus.ParseLevel(logLevel)
if err != nil {
return errors.Wrap(err, "could not parse log level")
}
logrus.SetLevel(lvl)
}
return nil
}
if err := rootCmd.Execute(); err != nil && errors.Cause(err) != context.Canceled {
log.G(ctx).Fatal(err)
}
}