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apparmor: write & load the profile on every start

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Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
This commit is contained in:
unclejack 2014-06-03 21:49:34 +03:00
parent 460e9bcc04
commit 33381db09d
1 changed files with 1 additions and 33 deletions
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34
apparmor/setup.go
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@ -2,7 +2,6 @@ package apparmor
import (
"fmt"
"io"
"os"
"os/exec"
"path"
@ -12,42 +11,11 @@ const (
DefaultProfilePath = "/etc/apparmor.d/docker"
)
func InstallDefaultProfile(backupPath string) error {
func InstallDefaultProfile() error {
if !IsEnabled() {
return nil
}
// If the profile already exists, check if we already have a backup
// if not, do the backup and override it. (docker 0.10 upgrade changed the apparmor profile)
// see gh#5049, apparmor blocks signals in ubuntu 14.04
if _, err := os.Stat(DefaultProfilePath); err == nil {
if _, err := os.Stat(backupPath); err == nil {
// If both the profile and the backup are present, do nothing
return nil
}
// Make sure the directory exists
if err := os.MkdirAll(path.Dir(backupPath), 0755); err != nil {
return err
}
// Create the backup file
f, err := os.Create(backupPath)
if err != nil {
return err
}
defer f.Close()
src, err := os.Open(DefaultProfilePath)
if err != nil {
return err
}
defer src.Close()
if _, err := io.Copy(f, src); err != nil {
return err
}
}
// Make sure /etc/apparmor.d exists
if err := os.MkdirAll(path.Dir(DefaultProfilePath), 0755); err != nil {
return err