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integration: Add TestDaemonDNSFallback

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Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass 2020-05-21 17:32:32 +00:00
parent 83199187ef
commit 9a78e916ad
1 changed files with 35 additions and 0 deletions
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35
integration/network/dns_test.go Normal file
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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/testutil/daemon"
"gotest.tools/v3/poll"
"gotest.tools/v3/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))
}