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