moby/integration/network/dns_test.go
Tibor Vass c104a50de4 integration: Add TestDaemonDNSFallback
Signed-off-by: Tibor Vass <tibor@docker.com>
(cherry picked from commit e5ad8b14daf0a1ddb12c0b83d153531afffb908b)
Signed-off-by: Tibor Vass <tibor@docker.com>
2020-05-28 10:52:02 +00:00

35 lines
1.1 KiB
Go

package network // import "github.com/docker/docker/integration/network"
import (
"context"
"testing"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/integration/internal/container"
"github.com/docker/docker/integration/internal/network"
"github.com/docker/docker/internal/test/daemon"
"gotest.tools/poll"
"gotest.tools/skip"
)
func TestDaemonDNSFallback(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon, "cannot start daemon on remote test run")
skip.If(t, testEnv.DaemonInfo.OSType != "linux")
skip.If(t, IsUserNamespace())
d := daemon.New(t)
d.StartWithBusybox(t, "-b", "none", "--dns", "127.127.127.1", "--dns", "8.8.8.8")
defer d.Stop(t)
c := d.NewClientT(t)
ctx := context.Background()
network.CreateNoError(ctx, t, c, "test")
defer c.NetworkRemove(ctx, "test")
cid := container.Run(ctx, t, c, container.WithNetworkMode("test"), container.WithCmd("nslookup", "docker.com"))
defer c.ContainerRemove(ctx, cid, types.ContainerRemoveOptions{Force: true})
poll.WaitOn(t, container.IsSuccessful(ctx, c, cid), poll.WithDelay(100*time.Millisecond), poll.WithTimeout(2*time.Second))
}