github.com/geofffranks/garden-linux@v0.0.0-20160715111146-26c893169cfa/containerizer/system/fake_container/main.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"io/ioutil"
     6  	"os"
     7  
     8  	"code.cloudfoundry.org/garden-linux/containerizer/system"
     9  )
    10  
    11  func main() {
    12  	if len(os.Args) != 2 {
    13  		fmt.Fprintf(os.Stderr, "ERROR: Root directory not provided\n")
    14  		os.Exit(1)
    15  	}
    16  
    17  	rootFS := &system.RootFS{
    18  		Root: os.Args[1],
    19  	}
    20  	err := rootFS.Enter()
    21  	if err != nil {
    22  		fmt.Fprintf(os.Stderr, "ERROR: Failed to enter root fs: %v\n", err)
    23  		os.Exit(1)
    24  	}
    25  
    26  	files, err := ioutil.ReadDir(".")
    27  	if err != nil {
    28  		fmt.Fprintf(os.Stderr, "ERROR: Failed to read directory: %v\n", err)
    29  		os.Exit(1)
    30  	}
    31  	for _, file := range files {
    32  		fmt.Printf("%v\t", file.Name())
    33  	}
    34  	fmt.Printf("\n")
    35  }