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package util
import (
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/libpod/network/types"
"github.com/pkg/errors"
)
func CommonNetworkCreate(n NetUtil, network *types.Network) error {
// FIXME: Should we use a different type for network create without the ID field?
// the caller is not allowed to set a specific ID
if network.ID != "" {
return errors.Wrap(define.ErrInvalidArg, "ID can not be set for network create")
}
if network.Labels == nil {
network.Labels = map[string]string{}
}
if network.Options == nil {
network.Options = map[string]string{}
}
if network.IPAMOptions == nil {
network.IPAMOptions = map[string]string{}
}
var name string
var err error
// validate the name when given
if network.Name != "" {
if !define.NameRegex.MatchString(network.Name) {
return errors.Wrapf(define.RegexError, "network name %s invalid", network.Name)
}
if _, err := n.Network(network.Name); err == nil {
return errors.Wrapf(define.ErrNetworkExists, "network name %s already used", network.Name)
}
} else {
name, err = GetFreeDeviceName(n)
if err != nil {
return err
}
network.Name = name
// also use the name as interface name when we create a bridge network
if network.Driver == types.BridgeNetworkDriver && network.NetworkInterface == "" {
network.NetworkInterface = name
}
}
return nil
}
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