mirror of https://github.com/k3s-io/k3s
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
/*
|
|
Copyright The containerd Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package cni
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/containernetworking/cni/pkg/types/current"
|
|
)
|
|
|
|
func validateInterfaceConfig(ipConf *current.IPConfig, ifs int) error {
|
|
if ipConf == nil {
|
|
return fmt.Errorf("invalid IP configuration (nil)")
|
|
}
|
|
if ipConf.Interface != nil && *ipConf.Interface > ifs {
|
|
return fmt.Errorf("invalid IP configuration (interface number %d is > number of interfaces %d)", *ipConf.Interface, ifs)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func getIfName(prefix string, i int) string {
|
|
return fmt.Sprintf("%s%d", prefix, i)
|
|
}
|
|
|
|
func defaultInterface(prefix string) string {
|
|
return getIfName(prefix, 0)
|
|
}
|