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package reset
import (
"fmt"
"sync"
internalRpc "github.com/roadrunner-server/roadrunner/v2/internal/rpc"
"github.com/fatih/color"
"github.com/mattn/go-runewidth"
"github.com/roadrunner-server/errors"
"github.com/spf13/cobra"
"github.com/vbauerster/mpb/v5"
"github.com/vbauerster/mpb/v5/decor"
)
var spinnerStyle = []string{"∙∙∙", "●∙∙", "∙●∙", "∙∙●", "∙∙∙"} //nolint:gochecknoglobals
// NewCommand creates `reset` command.
func NewCommand(cfgFile *string, override *[]string) *cobra.Command { //nolint:funlen
return &cobra.Command{
Use: "reset",
Short: "Reset workers of all or specific RoadRunner service",
RunE: func(_ *cobra.Command, args []string) error {
const (
op = errors.Op("reset_handler")
resetterList = "resetter.List"
resetterReset = "resetter.Reset"
)
if cfgFile == nil {
return errors.E(op, errors.Str("no configuration file provided"))
}
client, err := internalRpc.NewClient(*cfgFile, *override)
if err != nil {
return err
}
defer func() { _ = client.Close() }()
services := args // by default we expect services list from user
if len(services) == 0 { // but if nothing was passed - request all services list
if err = client.Call(resetterList, true, &services); err != nil {
return err
}
}
var wg sync.WaitGroup
wg.Add(len(services))
pr := mpb.New(mpb.WithWaitGroup(&wg), mpb.WithWidth(6)) //nolint:gomnd
for _, service := range services {
var (
bar *mpb.Bar
name = runewidth.FillRight(fmt.Sprintf("Resetting plugin: [%s]", color.HiYellowString(service)), 27)
result = make(chan interface{})
)
bar = pr.AddSpinner(
1,
mpb.SpinnerOnMiddle,
mpb.SpinnerStyle(spinnerStyle),
mpb.PrependDecorators(decor.Name(name)),
mpb.AppendDecorators(onComplete(result)),
)
// simulating some work
go func(service string, result chan interface{}) {
defer wg.Done()
defer bar.Increment()
var done bool
<-client.Go(resetterReset, service, &done, nil).Done
if err != nil {
result <- errors.E(op, err)
return
}
result <- nil
}(service, result)
}
pr.Wait()
return nil
},
}
}
func onComplete(result chan interface{}) decor.Decorator {
return decor.Any(func(s decor.Statistics) string {
select {
case r := <-result:
if err, ok := r.(error); ok {
return color.HiRedString(err.Error())
}
return color.HiGreenString("done")
default:
return ""
}
})
}
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