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Fix network with -b none

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* Don't AllocateNetwork when network is disabled
* Don't createNetwork in execdriver when network is disabled

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-05-24 08:26:56 -07:00
parent f83073d3eb
commit 3cb14df68c
3 changed files with 26 additions and 11 deletions
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25
daemon/container_linux.go
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@ -182,17 +182,20 @@ func getDevicesFromPath(deviceMapping runconfig.DeviceMapping) (devs []*configs.
} }
func populateCommand(c *Container, env []string) error { func populateCommand(c *Container, env []string) error {
en := &execdriver.Network{ var en *execdriver.Network
NamespacePath: c.NetworkSettings.SandboxKey, if !c.daemon.config.DisableNetwork {
} en = &execdriver.Network{
NamespacePath: c.NetworkSettings.SandboxKey,
parts := strings.SplitN(string(c.hostConfig.NetworkMode), ":", 2) }
if parts[0] == "container" {
nc, err := c.getNetworkedContainer() parts := strings.SplitN(string(c.hostConfig.NetworkMode), ":", 2)
if err != nil { if parts[0] == "container" {
return err nc, err := c.getNetworkedContainer()
if err != nil {
return err
}
en.ContainerID = nc.ID
} }
en.ContainerID = nc.ID
} }
ipc := &execdriver.Ipc{} ipc := &execdriver.Ipc{}
@ -906,7 +909,7 @@ func (container *Container) getNetworkedContainer() (*Container, error) {
} }
func (container *Container) ReleaseNetwork() { func (container *Container) ReleaseNetwork() {
if container.hostConfig.NetworkMode.IsContainer() { if container.hostConfig.NetworkMode.IsContainer() || container.daemon.config.DisableNetwork {
return return
} }

3
daemon/execdriver/native/create.go
View file

@ -89,6 +89,9 @@ func generateIfaceName() (string, error) {
} }
func (d *driver) createNetwork(container *configs.Config, c *execdriver.Command) error { func (d *driver) createNetwork(container *configs.Config, c *execdriver.Command) error {
if c.Network == nil {
return nil
}
if c.Network.ContainerID != "" { if c.Network.ContainerID != "" {
d.Lock() d.Lock()
active := d.activeContainers[c.Network.ContainerID] active := d.activeContainers[c.Network.ContainerID]

9
integration-cli/docker_cli_daemon_test.go
View file

@ -1156,3 +1156,12 @@ func (s *DockerDaemonSuite) TestCleanupMountsAfterCrash(c *check.C) {
c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut)) c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut))
c.Assert(strings.Contains(string(mountOut), id), check.Equals, false, check.Commentf("Something mounted from older daemon start: %s", mountOut)) c.Assert(strings.Contains(string(mountOut), id), check.Equals, false, check.Commentf("Something mounted from older daemon start: %s", mountOut))
} }
func (s *DockerDaemonSuite) TestRunContainerWithBridgeNone(c *check.C) {
c.Assert(s.d.StartWithBusybox("-b", "none"), check.IsNil)
out, err := s.d.Cmd("run", "--rm", "busybox", "ip", "l")
c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
c.Assert(strings.Contains(out, "eth0"), check.Equals, false,
check.Commentf("There shouldn't be eth0 in container when network is disabled: %s", out))
}