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package cli
import (
"os"
"os/signal"
"syscall"
"github.com/spiral/errors"
"go.uber.org/zap"
"github.com/spf13/cobra"
)
func init() {
root.AddCommand(&cobra.Command{
Use: "serve",
Short: "Start RoadRunner Temporal service(s)",
RunE: handler,
})
}
func handler(cmd *cobra.Command, args []string) error {
const op = errors.Op("handle serve command")
/*
We need to have path to the config at the RegisterTarget stage
But after cobra.Execute, because cobra fills up cli variables on this stage
*/
err := Container.Init()
if err != nil {
return errors.E(op, err)
}
errCh, err := Container.Serve()
if err != nil {
return errors.E(op, err)
}
// https://golang.org/pkg/os/signal/#Notify
// should be of buffer size at least 1
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
for {
select {
case e := <-errCh:
Logger.Error(e.Error.Error(), zap.String("service", e.VertexID))
er := Container.Stop()
if er != nil {
Logger.Error(e.Error.Error(), zap.String("service", e.VertexID))
if er != nil {
return errors.E(op, er)
}
}
case <-c:
err = Container.Stop()
if err != nil {
return errors.E(op, err)
}
return nil
}
}
}
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