mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
9fd765f07c
Move the test case from integration-cli to integration. The test logic itself has not changed, except these two things: * the new test sets default-ipc-mode via command line rather than via daemon.json (less code); * the new test uses current API version. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
122 lines
4 KiB
Go
122 lines
4 KiB
Go
package container // import "github.com/docker/docker/integration/container"
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"strconv"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/docker/docker/api/types"
|
|
"github.com/docker/docker/integration/internal/container"
|
|
"github.com/docker/docker/internal/test/daemon"
|
|
"golang.org/x/sys/unix"
|
|
"gotest.tools/assert"
|
|
is "gotest.tools/assert/cmp"
|
|
"gotest.tools/skip"
|
|
)
|
|
|
|
// This is a regression test for #36145
|
|
// It ensures that a container can be started when the daemon was improperly
|
|
// shutdown when the daemon is brought back up.
|
|
//
|
|
// The regression is due to improper error handling preventing a container from
|
|
// being restored and as such have the resources cleaned up.
|
|
//
|
|
// To test this, we need to kill dockerd, then kill both the containerd-shim and
|
|
// the container process, then start dockerd back up and attempt to start the
|
|
// container again.
|
|
func TestContainerStartOnDaemonRestart(t *testing.T) {
|
|
skip.If(t, testEnv.IsRemoteDaemon, "cannot start daemon on remote test run")
|
|
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
|
|
t.Parallel()
|
|
|
|
d := daemon.New(t)
|
|
d.StartWithBusybox(t, "--iptables=false")
|
|
defer d.Stop(t)
|
|
|
|
c := d.NewClientT(t)
|
|
|
|
ctx := context.Background()
|
|
|
|
cID := container.Create(t, ctx, c)
|
|
defer c.ContainerRemove(ctx, cID, types.ContainerRemoveOptions{Force: true})
|
|
|
|
err := c.ContainerStart(ctx, cID, types.ContainerStartOptions{})
|
|
assert.Check(t, err, "error starting test container")
|
|
|
|
inspect, err := c.ContainerInspect(ctx, cID)
|
|
assert.Check(t, err, "error getting inspect data")
|
|
|
|
ppid := getContainerdShimPid(t, inspect)
|
|
|
|
err = d.Kill()
|
|
assert.Check(t, err, "failed to kill test daemon")
|
|
|
|
err = unix.Kill(inspect.State.Pid, unix.SIGKILL)
|
|
assert.Check(t, err, "failed to kill container process")
|
|
|
|
err = unix.Kill(ppid, unix.SIGKILL)
|
|
assert.Check(t, err, "failed to kill containerd-shim")
|
|
|
|
d.Start(t, "--iptables=false")
|
|
|
|
err = c.ContainerStart(ctx, cID, types.ContainerStartOptions{})
|
|
assert.Check(t, err, "failed to start test container")
|
|
}
|
|
|
|
func getContainerdShimPid(t *testing.T, c types.ContainerJSON) int {
|
|
statB, err := ioutil.ReadFile(fmt.Sprintf("/proc/%d/stat", c.State.Pid))
|
|
assert.Check(t, err, "error looking up containerd-shim pid")
|
|
|
|
// ppid is the 4th entry in `/proc/pid/stat`
|
|
ppid, err := strconv.Atoi(strings.Fields(string(statB))[3])
|
|
assert.Check(t, err, "error converting ppid field to int")
|
|
|
|
assert.Check(t, ppid != 1, "got unexpected ppid")
|
|
return ppid
|
|
}
|
|
|
|
// TestDaemonRestartIpcMode makes sure a container keeps its ipc mode
|
|
// (derived from daemon default) even after the daemon is restarted
|
|
// with a different default ipc mode.
|
|
func TestDaemonRestartIpcMode(t *testing.T) {
|
|
skip.If(t, testEnv.IsRemoteDaemon, "cannot start daemon on remote test run")
|
|
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
|
|
t.Parallel()
|
|
|
|
d := daemon.New(t)
|
|
d.StartWithBusybox(t, "--iptables=false", "--default-ipc-mode=private")
|
|
defer d.Stop(t)
|
|
|
|
c := d.NewClientT(t)
|
|
ctx := context.Background()
|
|
|
|
// check the container is created with private ipc mode as per daemon default
|
|
cID := container.Run(t, ctx, c,
|
|
container.WithCmd("top"),
|
|
container.WithRestartPolicy("always"),
|
|
)
|
|
defer c.ContainerRemove(ctx, cID, types.ContainerRemoveOptions{Force: true})
|
|
|
|
inspect, err := c.ContainerInspect(ctx, cID)
|
|
assert.NilError(t, err)
|
|
assert.Check(t, is.Equal(string(inspect.HostConfig.IpcMode), "private"))
|
|
|
|
// restart the daemon with shareable default ipc mode
|
|
d.Restart(t, "--iptables=false", "--default-ipc-mode=shareable")
|
|
|
|
// check the container is still having private ipc mode
|
|
inspect, err = c.ContainerInspect(ctx, cID)
|
|
assert.NilError(t, err)
|
|
assert.Check(t, is.Equal(string(inspect.HostConfig.IpcMode), "private"))
|
|
|
|
// check a new container is created with shareable ipc mode as per new daemon default
|
|
cID = container.Run(t, ctx, c)
|
|
defer c.ContainerRemove(ctx, cID, types.ContainerRemoveOptions{Force: true})
|
|
|
|
inspect, err = c.ContainerInspect(ctx, cID)
|
|
assert.NilError(t, err)
|
|
assert.Check(t, is.Equal(string(inspect.HostConfig.IpcMode), "shareable"))
|
|
}
|