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Fallback to non-loopback IF addresses for Domain IPs (#6918)

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When MINIO_PUBLIC_IPS is not specified and no endpoints are passed
as arguments, fallback to the address of non loop-back interfaces.

This is useful so users can avoid setting MINIO_PUBLIC_IPS in docker
or orchestration scripts, ince users naturally setup an internal
network that connects all instances.
This commit is contained in:
Anis Elleuch
2018-12-05 02:35:22 +01:00
committed by Dee Koder
parent 950b4ad9af
commit 61145361fd
2 changed files with 26 additions and 17 deletions
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cmd/endpoint.go
+20 -15
View File
@@ -455,7 +455,12 @@ func CreateEndpoints(serverAddr string, args ...[]string) (string, EndpointList,
return serverAddr, endpoints, setupType, err
}
updateDomainIPs(uniqueArgs)
_, dok := os.LookupEnv("MINIO_DOMAIN")
_, eok := os.LookupEnv("MINIO_ETCD_ENDPOINTS")
_, iok := os.LookupEnv("MINIO_PUBLIC_IPS")
if dok && eok && !iok {
updateDomainIPs(uniqueArgs)
}
setupType = DistXLSetupType
return serverAddr, endpoints, setupType, nil
@@ -509,21 +514,21 @@ func GetRemotePeers(endpoints EndpointList) []string {
return peerSet.ToSlice()
}
// In federated and distributed setup, update IP addresses of the hosts passed in command line
// if MINIO_PUBLIC_IPS are not set manually
func updateDomainIPs(endPoints set.StringSet) {
_, dok := os.LookupEnv("MINIO_DOMAIN")
_, eok := os.LookupEnv("MINIO_ETCD_ENDPOINTS")
_, iok := os.LookupEnv("MINIO_PUBLIC_IPS")
if dok && eok && !iok {
globalDomainIPs = set.NewStringSet()
for e := range endPoints {
host, _, _ := net.SplitHostPort(e)
ipList, _ := getHostIP4(host)
remoteIPList := ipList.FuncMatch(func(ip string, matchString string) bool {
return !strings.HasPrefix(ip, "127.")
}, "")
globalDomainIPs.Add(remoteIPList.ToSlice()[0])
ipList := set.NewStringSet()
for e := range endPoints {
host, _, err := net.SplitHostPort(e)
if err != nil {
if strings.Contains(err.Error(), "missing port in address") {
host = e
} else {
continue
}
}
IPs, _ := getHostIP4(host)
ipList = ipList.Union(IPs)
}
globalDomainIPs = ipList.FuncMatch(func(ip string, matchString string) bool {
return !strings.HasPrefix(ip, "127.")
}, "")
}