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package container // import "github.com/docker/docker/integration/container"
import (
"context"
"testing"
"time"
"github.com/docker/docker/api/types"
containertypes "github.com/docker/docker/api/types/container"
"github.com/docker/docker/integration/internal/container"
"github.com/docker/docker/testutil/request"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/poll"
"gotest.tools/v3/skip"
)
func TestWaitNonBlocked(t *testing.T) {
defer setupTest(t)()
cli := request.NewAPIClient(t)
testCases := []struct {
doc string
cmd string
expectedCode int64
}{
{
doc: "wait-nonblocking-exit-0",
cmd: "exit 0",
expectedCode: 0,
},
{
doc: "wait-nonblocking-exit-random",
cmd: "exit 99",
expectedCode: 99,
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
t.Parallel()
ctx := context.Background()
containerID := container.Run(ctx, t, cli, container.WithCmd("sh", "-c", tc.cmd))
poll.WaitOn(t, container.IsInState(ctx, cli, containerID, "exited"), poll.WithTimeout(30*time.Second), poll.WithDelay(100*time.Millisecond))
waitResC, errC := cli.ContainerWait(ctx, containerID, "")
select {
case err := <-errC:
assert.NilError(t, err)
case waitRes := <-waitResC:
assert.Check(t, is.Equal(tc.expectedCode, waitRes.StatusCode))
}
})
}
}
func TestWaitBlocked(t *testing.T) {
// Windows busybox does not support trap in this way, not sleep with sub-second
// granularity. It will always exit 0x40010004.
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
defer setupTest(t)()
cli := request.NewAPIClient(t)
testCases := []struct {
doc string
cmd string
expectedCode int64
}{
{
doc: "test-wait-blocked-exit-zero",
cmd: "trap 'exit 0' TERM; while true; do usleep 10; done",
expectedCode: 0,
},
{
doc: "test-wait-blocked-exit-random",
cmd: "trap 'exit 99' TERM; while true; do usleep 10; done",
expectedCode: 99,
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
t.Parallel()
ctx := context.Background()
containerID := container.Run(ctx, t, cli, container.WithCmd("sh", "-c", tc.cmd))
poll.WaitOn(t, container.IsInState(ctx, cli, containerID, "running"), poll.WithTimeout(30*time.Second), poll.WithDelay(100*time.Millisecond))
waitResC, errC := cli.ContainerWait(ctx, containerID, "")
err := cli.ContainerStop(ctx, containerID, containertypes.StopOptions{})
assert.NilError(t, err)
select {
case err := <-errC:
assert.NilError(t, err)
case waitRes := <-waitResC:
assert.Check(t, is.Equal(tc.expectedCode, waitRes.StatusCode))
case <-time.After(2 * time.Second):
t.Fatal("timeout waiting for `docker wait`")
}
})
}
}
func TestWaitConditions(t *testing.T) {
defer setupTest(t)()
cli := request.NewAPIClient(t)
testCases := []struct {
doc string
waitCond containertypes.WaitCondition
runOpts []func(*container.TestContainerConfig)
}{
{
doc: "default",
},
{
doc: "not-running",
waitCond: containertypes.WaitConditionNotRunning,
},
{
doc: "next-exit",
waitCond: containertypes.WaitConditionNextExit,
},
{
doc: "removed",
waitCond: containertypes.WaitConditionRemoved,
runOpts: []func(*container.TestContainerConfig){container.WithAutoRemove},
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
t.Parallel()
ctx := context.Background()
opts := append([]func(*container.TestContainerConfig){
container.WithCmd("sh", "-c", "read -r; exit 99"),
func(tcc *container.TestContainerConfig) {
tcc.Config.AttachStdin = true
tcc.Config.OpenStdin = true
},
}, tc.runOpts...)
containerID := container.Create(ctx, t, cli, opts...)
t.Logf("ContainerID = %v", containerID)
streams, err := cli.ContainerAttach(ctx, containerID, types.ContainerAttachOptions{Stream: true, Stdin: true})
assert.NilError(t, err)
defer streams.Close()
assert.NilError(t, cli.ContainerStart(ctx, containerID, types.ContainerStartOptions{}))
waitResC, errC := cli.ContainerWait(ctx, containerID, tc.waitCond)
select {
case err := <-errC:
t.Fatalf("ContainerWait() err = %v", err)
case res := <-waitResC:
t.Fatalf("ContainerWait() sent exit code (%v) before ContainerStart()", res)
default:
}
info, _ := cli.ContainerInspect(ctx, containerID)
assert.Equal(t, "running", info.State.Status)
_, err = streams.Conn.Write([]byte("\n"))
assert.NilError(t, err)
select {
case err := <-errC:
assert.NilError(t, err)
case waitRes := <-waitResC:
assert.Check(t, is.Equal(int64(99), waitRes.StatusCode))
case <-time.After(StopContainerWindowsPollTimeout):
info, _ := cli.ContainerInspect(ctx, containerID)
t.Fatalf("Timed out waiting for container exit code (status = %q)", info.State.Status)
}
})
}
}
func TestWaitRestartedContainer(t *testing.T) {
defer setupTest(t)()
cli := request.NewAPIClient(t)
testCases := []struct {
doc string
waitCond containertypes.WaitCondition
}{
{
doc: "default",
},
{
doc: "not-running",
waitCond: containertypes.WaitConditionNotRunning,
},
{
doc: "next-exit",
waitCond: containertypes.WaitConditionNextExit,
},
}
// We can't catch the SIGTERM in the Windows based busybox image
isWindowDaemon := testEnv.DaemonInfo.OSType == "windows"
for _, tc := range testCases {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
t.Parallel()
ctx := context.Background()
containerID := container.Run(ctx, t, cli,
container.WithCmd("sh", "-c", "trap 'exit 5' SIGTERM; while true; do sleep 0.1; done"),
)
defer cli.ContainerRemove(ctx, containerID, types.ContainerRemoveOptions{Force: true})
poll.WaitOn(t, container.IsInState(ctx, cli, containerID, "running"), poll.WithTimeout(30*time.Second), poll.WithDelay(100*time.Millisecond))
// Container is running now, wait for exit
waitResC, errC := cli.ContainerWait(ctx, containerID, tc.waitCond)
timeout := 5
// On Windows it will always timeout, because our process won't receive SIGTERM
// Skip to force killing immediately
if isWindowDaemon {
timeout = 0
}
err := cli.ContainerRestart(ctx, containerID, containertypes.StopOptions{Timeout: &timeout, Signal: "SIGTERM"})
assert.NilError(t, err)
select {
case err := <-errC:
t.Fatalf("Unexpected error: %v", err)
case <-time.After(time.Second * 3):
t.Fatalf("Wait should end after restart")
case waitRes := <-waitResC:
expectedCode := int64(5)
if !isWindowDaemon {
assert.Check(t, is.Equal(expectedCode, waitRes.StatusCode))
}
}
})
}
}
|
