rancher/plugins
1
0
Fork 1
mirror of https://github.com/rancher/plugins.git synced 2025-09-03 22:05:07 +00:00
Code Issues Projects Releases Wiki Activity

pkg/utils: split and unexport constants

Browse Source
This commit is contained in:
Stefan Junker
2016-03-31 10:08:52 +02:00
parent bc44d1227d
commit 53d9cee00a
2 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
pkg/utils/utils.go
View File

@@ -5,16 +5,17 @@ import (
"fmt"
)
const ChainCNIPrefix = ("CNI-")
const MaxChainLength = 29 - len(ChainCNIPrefix)
const (
maxChainLength = 28
chainPrefix = "CNI-"
prefixLength = len(chainPrefix)
)
// Generates a chain name to be used with iptables.
// Ensures that the generated chain name is less than
// 29 chars in length
// maxChainLength chars in length
func FormatChainName(name string, id string) string {
chain := fmt.Sprintf("%x", sha512.Sum512([]byte(name+id)))
if len(chain) > MaxChainLength {
chain = chain[:MaxChainLength]
}
return fmt.Sprintf("%s%s", ChainCNIPrefix, chain)
chainBytes := sha512.Sum512([]byte(name + id))
chain := fmt.Sprintf("%s%x", chainPrefix, chainBytes)
return chain[:maxChainLength]
}