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package runconfig // import "github.com/docker/docker/runconfig"
import (
"strings"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/network"
)
// SetDefaultNetModeIfBlank changes the NetworkMode in a HostConfig structure
// to default if it is not populated. This ensures backwards compatibility after
// the validation of the network mode was moved from the docker CLI to the
// docker daemon.
//
// Deprecated: SetDefaultNetModeIfBlank is no longer used abnd will be removed in the next release.
func SetDefaultNetModeIfBlank(hc *container.HostConfig) {
if hc != nil && hc.NetworkMode == "" {
hc.NetworkMode = network.NetworkDefault
}
}
// validateNetContainerMode ensures that the various combinations of requested
// network settings wrt container mode are valid.
func validateNetContainerMode(c *container.Config, hc *container.HostConfig) error {
parts := strings.Split(string(hc.NetworkMode), ":")
if parts[0] == "container" {
if len(parts) < 2 || parts[1] == "" {
return validationError("Invalid network mode: invalid container format container:<name|id>")
}
}
if hc.NetworkMode.IsContainer() && c.Hostname != "" {
return ErrConflictNetworkHostname
}
if hc.NetworkMode.IsContainer() && len(hc.Links) > 0 {
return ErrConflictContainerNetworkAndLinks
}
if hc.NetworkMode.IsContainer() && len(hc.DNS) > 0 {
return ErrConflictNetworkAndDNS
}
if hc.NetworkMode.IsContainer() && len(hc.ExtraHosts) > 0 {
return ErrConflictNetworkHosts
}
if hc.NetworkMode.IsContainer() && (len(hc.PortBindings) > 0 || hc.PublishAllPorts) {
return ErrConflictNetworkPublishPorts
}
if hc.NetworkMode.IsContainer() && len(c.ExposedPorts) > 0 {
return ErrConflictNetworkExposePorts
}
return nil
}
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