dotcloud/docker

package runconfig // import "github.com/docker/docker/runconfig"

import (
    "github.com/docker/docker/api/types/container"
)

// validateNetContainerMode ensures that the various combinations of requested
// network settings wrt container mode are valid.
func validateNetContainerMode(c *container.Config, hc *container.HostConfig) error {
    // FIXME(thaJeztah): a network named "container" (without colon) is not seen as "container-mode" network.
    if string(hc.NetworkMode) != "container" && !hc.NetworkMode.IsContainer() {
        return nil
    }

    if hc.NetworkMode.ConnectedContainer() == "" {
        return validationError("Invalid network mode: invalid container format container:<name|id>")
    }

    if c.Hostname != "" {
        return ErrConflictNetworkHostname
    }

    if len(hc.Links) > 0 {
        return ErrConflictContainerNetworkAndLinks
    }

    if len(hc.DNS) > 0 {
        return ErrConflictNetworkAndDNS
    }

    if len(hc.ExtraHosts) > 0 {
        return ErrConflictNetworkHosts
    }

    if len(hc.PortBindings) > 0 || hc.PublishAllPorts {
        return ErrConflictNetworkPublishPorts
    }

    if len(c.ExposedPorts) > 0 {
        return ErrConflictNetworkExposePorts
    }
    return nil
}