storj/cmd/auto-updater/main.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package main
import (
"context"
"fmt"
"os"
"os/signal"
"syscall"
"time"
"github.com/spf13/cobra"
"storj.io/storj/internal/sync2"
)
var (
rootCmd = &cobra.Command{
Use: "auto-updater",
Short: "Auto-updater for storage node",
}
runCmd = &cobra.Command{
Use: "run",
Short: "Run the auto updater for storage node",
RunE: func(cmd *cobra.Command, args []string) (err error) {
err = cmdRun(cmd, args)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
return nil
},
}
interval string
versionURL string
binaryLocation string
)
func init() {
rootCmd.AddCommand(runCmd)
runCmd.Flags().StringVar(&interval, "interval", "06h", "interval for checking the new version")
runCmd.Flags().StringVar(&versionURL, "version-url", "https://version.storj.io/release/", "version server URL")
runCmd.Flags().StringVar(&binaryLocation, "binary-location", "storagenode.exe", "the storage node executable binary location")
}
func cmdRun(cmd *cobra.Command, args []string) (err error) {
ctx, cancel := context.WithCancel(context.Background())
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-c
signal.Stop(c)
cancel()
}()
loopInterval, err := time.ParseDuration(interval)
if err != nil {
return fmt.Errorf("unable to parse interval parameter: %v", err)
}
loop := sync2.NewCycle(loopInterval)
err = loop.Run(ctx, func(ctx context.Context) (err error) {
fmt.Println("check new version")
return nil
})
if err != context.Canceled {
return err
}
return nil
}
func main() {
_ = rootCmd.Execute()
}