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package main
import (
"context"
"strings"
"testing"
"github.com/docker/docker/integration-cli/cli"
"github.com/docker/docker/runconfig"
"gotest.tools/v3/assert"
)
// GH14530. Validates combinations of --net= with other options
// stringCheckPS is how the output of PS starts in order to validate that
// the command executed in a container did really run PS correctly.
const stringCheckPS = "PID USER"
type DockerCLINetmodeSuite struct {
ds *DockerSuite
}
func (s *DockerCLINetmodeSuite) TearDownTest(ctx context.Context, c *testing.T) {
s.ds.TearDownTest(ctx, c)
}
func (s *DockerCLINetmodeSuite) OnTimeout(c *testing.T) {
s.ds.OnTimeout(c)
}
// DockerCmdWithFail executes a docker command that is supposed to fail and returns
// the output. If the command returns a Nil error, it will fail and stop the tests.
func dockerCmdWithFail(c *testing.T, args ...string) string {
c.Helper()
out, _, err := dockerCmdWithError(args...)
assert.Assert(c, err != nil, "%v", out)
return out
}
func (s *DockerCLINetmodeSuite) TestNetHostnameWithNetHost(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
out := cli.DockerCmd(c, "run", "--net=host", "busybox", "ps").Stdout()
assert.Assert(c, strings.Contains(out, stringCheckPS))
}
func (s *DockerCLINetmodeSuite) TestNetHostname(c *testing.T) {
testRequires(c, DaemonIsLinux)
out := cli.DockerCmd(c, "run", "-h=name", "busybox", "ps").Stdout()
assert.Assert(c, strings.Contains(out, stringCheckPS))
out = cli.DockerCmd(c, "run", "-h=name", "--net=bridge", "busybox", "ps").Stdout()
assert.Assert(c, strings.Contains(out, stringCheckPS))
out = cli.DockerCmd(c, "run", "-h=name", "--net=none", "busybox", "ps").Stdout()
assert.Assert(c, strings.Contains(out, stringCheckPS))
out = dockerCmdWithFail(c, "run", "-h=name", "--net=container:other", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNetworkHostname.Error()))
out = dockerCmdWithFail(c, "run", "--net=container", "busybox", "ps")
assert.Assert(c, strings.Contains(out, "invalid container format container:<name|id>"))
out = dockerCmdWithFail(c, "run", "--net=weird", "busybox", "ps")
assert.Assert(c, strings.Contains(strings.ToLower(out), "not found"))
}
func (s *DockerCLINetmodeSuite) TestConflictContainerNetworkAndLinks(c *testing.T) {
testRequires(c, DaemonIsLinux)
out := dockerCmdWithFail(c, "run", "--net=container:other", "--link=zip:zap", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictContainerNetworkAndLinks.Error()))
}
func (s *DockerCLINetmodeSuite) TestConflictContainerNetworkHostAndLinks(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
out := dockerCmdWithFail(c, "run", "--net=host", "--link=zip:zap", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictHostNetworkAndLinks.Error()))
}
func (s *DockerCLINetmodeSuite) TestConflictNetworkModeNetHostAndOptions(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace)
out := dockerCmdWithFail(c, "run", "--net=host", "--mac-address=92:d0:c6:0a:29:33", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictContainerNetworkAndMac.Error()))
}
func (s *DockerCLINetmodeSuite) TestConflictNetworkModeAndOptions(c *testing.T) {
testRequires(c, DaemonIsLinux)
out := dockerCmdWithFail(c, "run", "--net=container:other", "--dns=8.8.8.8", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNetworkAndDNS.Error()))
out = dockerCmdWithFail(c, "run", "--net=container:other", "--add-host=name:8.8.8.8", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNetworkHosts.Error()))
out = dockerCmdWithFail(c, "run", "--net=container:other", "-P", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNetworkPublishPorts.Error()))
out = dockerCmdWithFail(c, "run", "--net=container:other", "-p", "8080", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNetworkPublishPorts.Error()))
out = dockerCmdWithFail(c, "run", "--net=container:other", "--expose", "8000-9000", "busybox", "ps")
assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNetworkExposePorts.Error()))
}
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