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moby--moby/integration/container/nat_test.go
Vincent Demeester 18dd1d9aba
Fixes some integration/container test to run on remote daemon
```
docker build -f Dockerfile.e2e -t moby-e2e .
docker run -v /var/run/docker.sock:/var/run/docker.sock \
           -e TEST_INTEGRATION_DIR=/tests/integration/container \
           -e DOCKER_API_VERSION=1.36 moby-e2e
```

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2018-03-05 14:24:01 +01:00

118 lines
3.2 KiB
Go

package container // import "github.com/docker/docker/integration/container"
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
"net"
"strings"
"testing"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/integration/internal/container"
"github.com/docker/docker/integration/internal/request"
"github.com/docker/go-connections/nat"
"github.com/gotestyourself/gotestyourself/poll"
"github.com/gotestyourself/gotestyourself/skip"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestNetworkNat(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon())
defer setupTest(t)()
msg := "it works"
startServerContainer(t, msg, 8080)
endpoint := getExternalAddress(t)
conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", endpoint.String(), 8080))
require.NoError(t, err)
defer conn.Close()
data, err := ioutil.ReadAll(conn)
require.NoError(t, err)
assert.Equal(t, msg, strings.TrimSpace(string(data)))
}
func TestNetworkLocalhostTCPNat(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon())
defer setupTest(t)()
msg := "hi yall"
startServerContainer(t, msg, 8081)
conn, err := net.Dial("tcp", "localhost:8081")
require.NoError(t, err)
defer conn.Close()
data, err := ioutil.ReadAll(conn)
require.NoError(t, err)
assert.Equal(t, msg, strings.TrimSpace(string(data)))
}
func TestNetworkLoopbackNat(t *testing.T) {
skip.If(t, testEnv.IsRemoteDaemon())
msg := "it works"
startServerContainer(t, msg, 8080)
endpoint := getExternalAddress(t)
client := request.NewAPIClient(t)
ctx := context.Background()
cID := container.Run(t, ctx, client, container.WithCmd("sh", "-c", fmt.Sprintf("stty raw && nc -w 5 %s 8080", endpoint.String())), container.WithTty(true), container.WithNetworkMode("container:server"))
poll.WaitOn(t, container.IsStopped(ctx, client, cID), poll.WithDelay(100*time.Millisecond))
body, err := client.ContainerLogs(ctx, cID, types.ContainerLogsOptions{
ShowStdout: true,
})
require.NoError(t, err)
defer body.Close()
var b bytes.Buffer
_, err = io.Copy(&b, body)
require.NoError(t, err)
assert.Equal(t, msg, strings.TrimSpace(b.String()))
}
func startServerContainer(t *testing.T, msg string, port int) string {
client := request.NewAPIClient(t)
ctx := context.Background()
cID := container.Run(t, ctx, client, container.WithName("server"), container.WithCmd("sh", "-c", fmt.Sprintf("echo %q | nc -lp %d", msg, port)), container.WithExposedPorts(fmt.Sprintf("%d/tcp", port)), func(c *container.TestContainerConfig) {
c.HostConfig.PortBindings = nat.PortMap{
nat.Port(fmt.Sprintf("%d/tcp", port)): []nat.PortBinding{
{
HostPort: fmt.Sprintf("%d", port),
},
},
}
})
poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
return cID
}
func getExternalAddress(t *testing.T) net.IP {
iface, err := net.InterfaceByName("eth0")
skip.If(t, err != nil, "Test not running with `make test-integration`. Interface eth0 not found: %s", err)
ifaceAddrs, err := iface.Addrs()
require.NoError(t, err)
assert.NotEqual(t, 0, len(ifaceAddrs))
ifaceIP, _, err := net.ParseCIDR(ifaceAddrs[0].String())
require.NoError(t, err)
return ifaceIP
}