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Merge pull request #16969 from smarterclayton/fix_secret_in_container

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k8s-merge-robot 2015-11-12 21:26:20 -08:00
commit 0dac3e12c5
1 changed files with 6 additions and 3 deletions
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9
pkg/util/io/writer.go
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@ -17,6 +17,7 @@ limitations under the License.
package io package io
import ( import (
"bytes"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"os" "os"
@ -49,6 +50,7 @@ func (writer *StdWriter) WriteFile(filename string, data []byte, perm os.FileMod
type NsenterWriter struct { type NsenterWriter struct {
} }
// TODO: should take a writer, not []byte
func (writer *NsenterWriter) WriteFile(filename string, data []byte, perm os.FileMode) error { func (writer *NsenterWriter) WriteFile(filename string, data []byte, perm os.FileMode) error {
cmd := "nsenter" cmd := "nsenter"
base_args := []string{ base_args := []string{
@ -56,10 +58,11 @@ func (writer *NsenterWriter) WriteFile(filename string, data []byte, perm os.Fil
"--", "--",
} }
echo_args := append(base_args, "sh", "-c", echo_args := append(base_args, "sh", "-c", fmt.Sprintf("cat > %s", filename))
fmt.Sprintf("echo %q | cat > %s", data, filename))
glog.V(5).Infof("Command to write data to file: %v %v", cmd, echo_args) glog.V(5).Infof("Command to write data to file: %v %v", cmd, echo_args)
outputBytes, err := exec.Command(cmd, echo_args...).CombinedOutput() command := exec.Command(cmd, echo_args...)
command.Stdin = bytes.NewBuffer(data)
outputBytes, err := command.CombinedOutput()
if err != nil { if err != nil {
glog.Errorf("Output from writing to %q: %v", filename, string(outputBytes)) glog.Errorf("Output from writing to %q: %v", filename, string(outputBytes))
return err return err