| // +build !windows |
| |
| package runconfig |
| |
| import ( |
| "fmt" |
| "strings" |
| ) |
| |
| // ValidateNetMode ensures that the various combinations of requested |
| // network settings are valid. |
| func ValidateNetMode(c *Config, hc *HostConfig) error { |
| // We may not be passed a host config, such as in the case of docker commit |
| if hc == nil { |
| return nil |
| } |
| parts := strings.Split(string(hc.NetworkMode), ":") |
| if parts[0] == "container" { |
| if len(parts) < 2 || parts[1] == "" { |
| return fmt.Errorf("--net: invalid net mode: invalid container format container:<name|id>") |
| } |
| } |
| |
| if (hc.NetworkMode.IsHost() || hc.NetworkMode.IsContainer()) && c.Hostname != "" { |
| return ErrConflictNetworkHostname |
| } |
| |
| if hc.NetworkMode.IsHost() && len(hc.Links) > 0 { |
| return ErrConflictHostNetworkAndLinks |
| } |
| |
| if hc.NetworkMode.IsContainer() && len(hc.Links) > 0 { |
| return ErrConflictContainerNetworkAndLinks |
| } |
| |
| if hc.NetworkMode.IsUserDefined() && len(hc.Links) > 0 { |
| return ErrConflictUserDefinedNetworkAndLinks |
| } |
| |
| if (hc.NetworkMode.IsHost() || hc.NetworkMode.IsContainer()) && len(hc.DNS) > 0 { |
| return ErrConflictNetworkAndDNS |
| } |
| |
| if (hc.NetworkMode.IsContainer() || hc.NetworkMode.IsHost()) && len(hc.ExtraHosts) > 0 { |
| return ErrConflictNetworkHosts |
| } |
| |
| if (hc.NetworkMode.IsContainer() || hc.NetworkMode.IsHost()) && c.MacAddress != "" { |
| return ErrConflictContainerNetworkAndMac |
| } |
| |
| if hc.NetworkMode.IsContainer() && (len(hc.PortBindings) > 0 || hc.PublishAllPorts == true) { |
| return ErrConflictNetworkPublishPorts |
| } |
| |
| if hc.NetworkMode.IsContainer() && len(c.ExposedPorts) > 0 { |
| return ErrConflictNetworkExposePorts |
| } |
| return nil |
| } |