func TestSysctlRaw(t *testing.T) {
if runtime.GOOS == "openbsd" {
t.Skip("kern.proc.pid does not exist on OpenBSD")
}
_, err := unix.SysctlRaw("kern.proc.pid", unix.Getpid())
if err != nil {
t.Fatal(err)
}
}
func init() {
pid = unix.Getpid()
pgid, _ = unix.Getpgid(pid)
ppid = unix.Getppid()
for _, fd := range []int{unix.Stdin, unix.Stdout, unix.Stderr} {
if isatty.IsTerminal(uintptr(fd)) {
terminal = fd
}
}
}
func makeNetworkNS(containerID string) string {
namespace := "/var/run/netns/" + containerID
pid := unix.Getpid()
tid := unix.Gettid()
err := os.MkdirAll("/var/run/netns", 0600)
Expect(err).NotTo(HaveOccurred())
runtime.LockOSThread()
defer runtime.UnlockOSThread()
go (func() {
defer GinkgoRecover()
err = unix.Unshare(unix.CLONE_NEWNET)
Expect(err).NotTo(HaveOccurred())
fd, err := os.Create(namespace)
Expect(err).NotTo(HaveOccurred())
defer fd.Close()
err = unix.Mount("/proc/self/ns/net", namespace, "none", unix.MS_BIND, "")
Expect(err).NotTo(HaveOccurred())
})()
Eventually(namespace).Should(BeAnExistingFile())
fd, err := unix.Open(fmt.Sprintf("/proc/%d/task/%d/ns/net", pid, tid), unix.O_RDONLY, 0)
Expect(err).NotTo(HaveOccurred())
defer unix.Close(fd)
_, _, e1 := unix.Syscall(unix.SYS_SETNS, uintptr(fd), uintptr(unix.CLONE_NEWNET), 0)
Expect(e1).To(BeZero())
return namespace
}
func allNetNSInCurrentProcess() []string {
pid := unix.Getpid()
paths, err := filepath.Glob(fmt.Sprintf("/proc/%d/task/*/ns/net", pid))
Expect(err).NotTo(HaveOccurred())
return paths
}
func currentNetNSPath() string {
pid := unix.Getpid()
tid := unix.Gettid()
return fmt.Sprintf("/proc/%d/task/%d/ns/net", pid, tid)
}
func TestSysctlRaw(t *testing.T) {
_, err := unix.SysctlRaw("kern.proc.pid", unix.Getpid())
if err != nil {
t.Fatal(err)
}
}
