Move ErrUnsupportedNetwork* checks to updateNetworkConfig() func

Signed-off-by: Alessandro Boch <aboch@docker.com>
This commit is contained in:
Alessandro Boch 2016-01-20 17:51:41 -08:00
parent b7a68d0252
commit 3b0d36dbc1
3 changed files with 31 additions and 16 deletions

View File

@ -658,6 +658,9 @@ func hasUserDefinedIPAddress(epConfig *networktypes.EndpointSettings) bool {
// User specified ip address is acceptable only for networks with user specified subnets.
func validateNetworkingConfig(n libnetwork.Network, epConfig *networktypes.EndpointSettings) error {
if n == nil || epConfig == nil {
return nil
}
if !hasUserDefinedIPAddress(epConfig) {
return nil
}
@ -704,7 +707,7 @@ func cleanOperationalData(es *networktypes.EndpointSettings) {
es.MacAddress = ""
}
func (daemon *Daemon) updateNetworkConfig(container *container.Container, idOrName string, updateSettings bool) (libnetwork.Network, error) {
func (daemon *Daemon) updateNetworkConfig(container *container.Container, idOrName string, endpointConfig *networktypes.EndpointSettings, updateSettings bool) (libnetwork.Network, error) {
if container.HostConfig.NetworkMode.IsContainer() {
return nil, runconfig.ErrConflictSharedNetwork
}
@ -715,11 +718,24 @@ func (daemon *Daemon) updateNetworkConfig(container *container.Container, idOrNa
return nil, nil
}
if !containertypes.NetworkMode(idOrName).IsUserDefined() {
if hasUserDefinedIPAddress(endpointConfig) {
return nil, runconfig.ErrUnsupportedNetworkAndIP
}
if endpointConfig != nil && len(endpointConfig.Aliases) > 0 {
return nil, runconfig.ErrUnsupportedNetworkAndAlias
}
}
n, err := daemon.FindNetwork(idOrName)
if err != nil {
return nil, err
}
if err := validateNetworkingConfig(n, endpointConfig); err != nil {
return nil, err
}
if updateSettings {
if err := daemon.updateNetworkSettings(container, n); err != nil {
return nil, err
@ -734,7 +750,7 @@ func (daemon *Daemon) ConnectToNetwork(container *container.Container, idOrName
if container.RemovalInProgress || container.Dead {
return derr.ErrorCodeRemovalContainer.WithArgs(container.ID)
}
if _, err := daemon.updateNetworkConfig(container, idOrName, true); err != nil {
if _, err := daemon.updateNetworkConfig(container, idOrName, endpointConfig, true); err != nil {
return err
}
} else {
@ -749,7 +765,7 @@ func (daemon *Daemon) ConnectToNetwork(container *container.Container, idOrName
}
func (daemon *Daemon) connectToNetwork(container *container.Container, idOrName string, endpointConfig *networktypes.EndpointSettings, updateSettings bool) (err error) {
n, err := daemon.updateNetworkConfig(container, idOrName, updateSettings)
n, err := daemon.updateNetworkConfig(container, idOrName, endpointConfig, updateSettings)
if err != nil {
return err
}
@ -760,17 +776,6 @@ func (daemon *Daemon) connectToNetwork(container *container.Container, idOrName
controller := daemon.netController
if endpointConfig != nil {
if !containertypes.NetworkMode(idOrName).IsUserDefined() && hasUserDefinedIPAddress(endpointConfig) {
return runconfig.ErrUnsupportedNetworkAndIP
}
if err := validateNetworkingConfig(n, endpointConfig); err != nil {
return err
}
if !containertypes.NetworkMode(idOrName).IsUserDefined() && len(endpointConfig.Aliases) > 0 {
return runconfig.ErrUnsupportedNetworkAndAlias
}
container.NetworkSettings.Networks[n.Name()] = endpointConfig
}

View File

@ -1147,7 +1147,7 @@ func (s *DockerNetworkSuite) TestDockerNetworkConnectPreferredIP(c *check.C) {
func (s *DockerNetworkSuite) TestDockerNetworkUnsupportedPreferredIP(c *check.C) {
// preferred IP is not supported on predefined networks
for _, mode := range []string{"none", "host", "bridge"} {
for _, mode := range []string{"none", "host", "bridge", "default"} {
checkUnsupportedNetworkAndIP(c, mode)
}
@ -1300,4 +1300,14 @@ func (s *DockerSuite) TestUserDefinedNetworkConnectDisconnectAlias(c *check.C) {
// ping to net2 scoped alias "bar" must still succeed
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "bar")
c.Assert(err, check.IsNil)
// verify the alias option is rejected when running on predefined network
out, _, err := dockerCmdWithError("run", "--rm", "--name=any", "--net-alias=any", "busybox", "top")
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
c.Assert(out, checker.Contains, runconfig.ErrUnsupportedNetworkAndAlias.Error())
// verify the alias option is rejected when connecting to predefined network
out, _, err = dockerCmdWithError("network", "connect", "--alias=any", "bridge", "first")
c.Assert(err, checker.NotNil, check.Commentf("out: %s", out))
c.Assert(out, checker.Contains, runconfig.ErrUnsupportedNetworkAndAlias.Error())
}

View File

@ -442,7 +442,7 @@ func Parse(cmd *flag.FlagSet, args []string) (*container.Config, *container.Host
networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)] = epConfig
}
if hostConfig.NetworkMode.IsUserDefined() && flAliases.Len() > 0 {
if flAliases.Len() > 0 {
epConfig := networkingConfig.EndpointsConfig[string(hostConfig.NetworkMode)]
if epConfig == nil {
epConfig = &networktypes.EndpointSettings{}