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-rw-r--r--runsc/cmd/chroot.go25
-rw-r--r--runsc/cmd/gofer.go6
2 files changed, 31 insertions, 0 deletions
diff --git a/runsc/cmd/chroot.go b/runsc/cmd/chroot.go
index 791a50135..c6507a75b 100644
--- a/runsc/cmd/chroot.go
+++ b/runsc/cmd/chroot.go
@@ -59,6 +59,23 @@ func pivotRoot(root string) error {
return nil
}
+func copyFile(dst, src string) error {
+ in, err := os.Open(src)
+ if err != nil {
+ return err
+ }
+ defer in.Close()
+
+ out, err := os.Create(dst)
+ if err != nil {
+ return err
+ }
+ defer out.Close()
+
+ _, err = out.ReadFrom(in)
+ return err
+}
+
// setUpChroot creates an empty directory with runsc mounted at /runsc and proc
// mounted at /proc.
func setUpChroot(pidns bool) error {
@@ -78,6 +95,14 @@ func setUpChroot(pidns bool) error {
return fmt.Errorf("error mounting tmpfs in choot: %v", err)
}
+ if err := os.Mkdir(filepath.Join(chroot, "etc"), 0755); err != nil {
+ return fmt.Errorf("error creating /etc in chroot: %v", err)
+ }
+
+ if err := copyFile(filepath.Join(chroot, "etc/localtime"), "/etc/localtime"); err != nil {
+ log.Warningf("Failed to copy /etc/localtime: %v. UTC timezone will be used.", err)
+ }
+
if pidns {
flags := uint32(unix.MS_NOSUID | unix.MS_NODEV | unix.MS_NOEXEC | unix.MS_RDONLY)
if err := mountInChroot(chroot, "proc", "/proc", "proc", flags); err != nil {
diff --git a/runsc/cmd/gofer.go b/runsc/cmd/gofer.go
index 181bae3e2..c2922bf13 100644
--- a/runsc/cmd/gofer.go
+++ b/runsc/cmd/gofer.go
@@ -290,11 +290,17 @@ func setupRootFS(spec *specs.Spec, conf *config.Config) error {
if err := os.Mkdir("/proc/root", 0755); err != nil {
Fatalf("error creating /proc/root: %v", err)
}
+ if err := os.Mkdir("/proc/etc", 0755); err != nil {
+ Fatalf("error creating /proc/etc: %v", err)
+ }
// This cannot use SafeMount because there's no available procfs. But we
// know that /proc is an empty tmpfs mount, so this is safe.
if err := unix.Mount("runsc-proc", "/proc/proc", "proc", flags|unix.MS_RDONLY, ""); err != nil {
Fatalf("error mounting proc: %v", err)
}
+ if err := copyFile("/proc/etc/localtime", "/etc/localtime"); err != nil {
+ log.Warningf("Failed to copy /etc/localtime: %v. UTC timezone will be used.", err)
+ }
root = "/proc/root"
procPath = "/proc/proc"
}