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utils.go
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/
utils.go
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// Copyright 2021 Authors of Cilium
//
// 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 utils
import (
"strconv"
log "github.com/sirupsen/logrus"
)
const eniIndexTagKey = "cilium-eni-index"
// GetENIIndexFromTags get ENI index from tags
func GetENIIndexFromTags(tags map[string]string) int {
v, ok := tags[eniIndexTagKey]
if !ok {
return 0
}
index, err := strconv.Atoi(v)
if err != nil {
log.WithError(err).Warning("Unable to retrieve index from ENI")
}
return index
}
// FillTagWithENIIndex set the index to tags
func FillTagWithENIIndex(tags map[string]string, index int) map[string]string {
tags[eniIndexTagKey] = strconv.Itoa(index)
return tags
}