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package util
import (
"fmt"
"github.com/containers/common/libnetwork/types"
"github.com/sirupsen/logrus"
)
func CommonNetworkCreate(n NetUtil, network *types.Network) error {
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 !types.NameRegex.MatchString(network.Name) {
return fmt.Errorf("network name %s invalid: %w", network.Name, types.ErrInvalidName)
}
if _, err := n.Network(network.Name); err == nil {
return fmt.Errorf("network name %s already used: %w", network.Name, types.ErrNetworkExists)
}
} 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
}
}
// Validate interface name if specified
if network.NetworkInterface != "" {
if err := ValidateInterfaceName(network.NetworkInterface); err != nil {
return fmt.Errorf("network interface name %s invalid: %w", network.NetworkInterface, err)
}
}
return nil
}
func IpamNoneDisableDNS(network *types.Network) {
if network.IPAMOptions[types.Driver] == types.NoneIPAMDriver {
logrus.Debugf("dns disabled for network %q because ipam driver is set to none", network.Name)
network.DNSEnabled = false
}
}
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