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main.go
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main.go
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// Dummy entry point for making dev-container
package main
import (
"fmt"
"io"
"os"
"os/exec"
"os/signal"
"sync"
"syscall"
)
var version string
func checkError(err error) {
if err != nil {
println("Error: %s", err)
}
}
func main() {
println("Starting NSC DevEnv dummy application")
fmt.Printf("Version: %v", version)
cmd := exec.Command("bash", "/go/src/github.com/networkservicemesh/networkservicemesh/scripts/debug_env.sh")
// Create stdout, stderr streams of type io.Reader
stdout, err := cmd.StdoutPipe()
checkError(err)
stderr, err := cmd.StderrPipe()
checkError(err)
// Start command
err = cmd.Start()
checkError(err)
// Non-blockingly echo command output to terminal
go func() {
_, copyErr := io.Copy(os.Stdout, stdout)
checkError(copyErr)
}()
go func() {
_, copyErr := io.Copy(os.Stderr, stderr)
checkError(copyErr)
}()
// Don't let main() exit before our command has finished running
err = cmd.Wait() // Doesn't block
checkError(err)
println("Initialisation done... \nPlease use docker run debug.sh app to attach and start debug for particular application\n#You could do Ctrl+C to detach from this log.")
var wg sync.WaitGroup
wg.Add(1)
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
<-c
wg.Done()
}()
wg.Wait()
}