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package container // import "github.com/docker/docker/integration/container"
import (
"context"
"testing"
"time"
"github.com/docker/docker/client"
"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 TestKillContainerInvalidSignal(t *testing.T) {
defer setupTest(t)()
client := testEnv.APIClient()
ctx := context.Background()
id := container.Run(ctx, t, client)
err := client.ContainerKill(ctx, id, "0")
assert.Error(t, err, "Error response from daemon: Invalid signal: 0")
poll.WaitOn(t, container.IsInState(ctx, client, id, "running"), poll.WithDelay(100*time.Millisecond))
err = client.ContainerKill(ctx, id, "SIG42")
assert.Error(t, err, "Error response from daemon: Invalid signal: SIG42")
poll.WaitOn(t, container.IsInState(ctx, client, id, "running"), poll.WithDelay(100*time.Millisecond))
}
func TestKillContainer(t *testing.T) {
defer setupTest(t)()
client := testEnv.APIClient()
testCases := []struct {
doc string
signal string
status string
skipOs string
}{
{
doc: "no signal",
signal: "",
status: "exited",
skipOs: "",
},
{
doc: "non killing signal",
signal: "SIGWINCH",
status: "running",
skipOs: "windows",
},
{
doc: "killing signal",
signal: "SIGTERM",
status: "exited",
skipOs: "",
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
skip.If(t, testEnv.OSType == tc.skipOs, "Windows does not support SIGWINCH")
ctx := context.Background()
id := container.Run(ctx, t, client)
err := client.ContainerKill(ctx, id, tc.signal)
assert.NilError(t, err)
poll.WaitOn(t, container.IsInState(ctx, client, id, tc.status), poll.WithDelay(100*time.Millisecond))
})
}
}
func TestKillWithStopSignalAndRestartPolicies(t *testing.T) {
skip.If(t, testEnv.OSType == "windows", "Windows only supports 1.25 or later")
defer setupTest(t)()
client := testEnv.APIClient()
testCases := []struct {
doc string
stopsignal string
status string
}{
{
doc: "same-signal-disables-restart-policy",
stopsignal: "TERM",
status: "exited",
},
{
doc: "different-signal-keep-restart-policy",
stopsignal: "CONT",
status: "running",
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.doc, func(t *testing.T) {
ctx := context.Background()
id := container.Run(ctx, t, client,
container.WithRestartPolicy("always"),
func(c *container.TestContainerConfig) {
c.Config.StopSignal = tc.stopsignal
})
err := client.ContainerKill(ctx, id, "TERM")
assert.NilError(t, err)
poll.WaitOn(t, container.IsInState(ctx, client, id, tc.status), poll.WithDelay(100*time.Millisecond))
})
}
}
func TestKillStoppedContainer(t *testing.T) {
skip.If(t, testEnv.OSType == "windows", "Windows only supports 1.25 or later")
defer setupTest(t)()
ctx := context.Background()
client := testEnv.APIClient()
id := container.Create(ctx, t, client)
err := client.ContainerKill(ctx, id, "SIGKILL")
assert.Assert(t, is.ErrorContains(err, ""))
assert.Assert(t, is.Contains(err.Error(), "is not running"))
}
func TestKillStoppedContainerAPIPre120(t *testing.T) {
skip.If(t, testEnv.OSType == "windows", "Windows only supports 1.25 or later")
defer setupTest(t)()
ctx := context.Background()
client := request.NewAPIClient(t, client.WithVersion("1.19"))
id := container.Create(ctx, t, client)
err := client.ContainerKill(ctx, id, "SIGKILL")
assert.NilError(t, err)
}
func TestKillDifferentUserContainer(t *testing.T) {
// TODO Windows: Windows does not yet support -u (Feb 2016).
skip.If(t, testEnv.OSType == "windows", "User containers (container.Config.User) are not yet supported on %q platform", testEnv.OSType)
defer setupTest(t)()
ctx := context.Background()
client := request.NewAPIClient(t, client.WithVersion("1.19"))
id := container.Run(ctx, t, client, func(c *container.TestContainerConfig) {
c.Config.User = "daemon"
})
poll.WaitOn(t, container.IsInState(ctx, client, id, "running"), poll.WithDelay(100*time.Millisecond))
err := client.ContainerKill(ctx, id, "SIGKILL")
assert.NilError(t, err)
poll.WaitOn(t, container.IsInState(ctx, client, id, "exited"), poll.WithDelay(100*time.Millisecond))
}
func TestInspectOomKilledTrue(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
skip.If(t, testEnv.DaemonInfo.CgroupDriver == "none")
skip.If(t, !testEnv.DaemonInfo.MemoryLimit || !testEnv.DaemonInfo.SwapLimit)
skip.If(t, testEnv.DaemonInfo.CgroupVersion == "2", "FIXME: flaky on cgroup v2 (https://github.com/moby/moby/issues/41929)")
defer setupTest(t)()
ctx := context.Background()
client := testEnv.APIClient()
cID := container.Run(ctx, t, client, container.WithCmd("sh", "-c", "x=a; while true; do x=$x$x$x$x; done"), func(c *container.TestContainerConfig) {
c.HostConfig.Resources.Memory = 32 * 1024 * 1024
})
poll.WaitOn(t, container.IsInState(ctx, client, cID, "exited"), poll.WithDelay(100*time.Millisecond))
inspect, err := client.ContainerInspect(ctx, cID)
assert.NilError(t, err)
assert.Check(t, is.Equal(true, inspect.State.OOMKilled))
}
func TestInspectOomKilledFalse(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType == "windows" || !testEnv.DaemonInfo.MemoryLimit || !testEnv.DaemonInfo.SwapLimit)
defer setupTest(t)()
ctx := context.Background()
client := testEnv.APIClient()
cID := container.Run(ctx, t, client, container.WithCmd("sh", "-c", "echo hello world"))
poll.WaitOn(t, container.IsInState(ctx, client, cID, "exited"), poll.WithDelay(100*time.Millisecond))
inspect, err := client.ContainerInspect(ctx, cID)
assert.NilError(t, err)
assert.Check(t, is.Equal(false, inspect.State.OOMKilled))
}
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