Skip to content

exclude virtual network while getting local ip in docker host #197

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

exclude virtual network while getting local ip in docker host #197

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
45 changes: 33 additions & 12 deletions utils/network/ip.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,8 +37,13 @@ func GetLocalIP() (string, error) {
return "", err
}
// Iterate over each interface
var publicIP string
var publicIP, privateIP string
for _, iface := range interfaces {
// 排除 Docker 虚拟网卡
if isDockerInterface(iface.Name) {
continue
}

// Check if the interface is up and not a loopback
if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
continue
Expand All @@ -59,28 +64,44 @@ func GetLocalIP() (string, error) {
}

ip4 := ipNet.IP.To4()
if ip4 != nil && !ip4.IsLoopback() {
// Ensure the IP is not a multicast address
if !ip4.IsMulticast() {
if !ipNet.IP.IsPrivate() && publicIP == "" {
// Priority return to internal network IP
publicIP = ipNet.IP.String()
} else {
return ip4.String(), nil
}

}
if ip4 == nil {
continue
}

// exclude multicast
if ip4.IsMulticast() {
continue
}

// check if public ip
if !ip4.IsPrivate() {
publicIP = ip4.String()
break
}

if privateIP == "" {
privateIP = ip4.String()
}
}
}

// pbulic ip first
if publicIP != "" {
return publicIP, nil
}
if privateIP != "" {
return privateIP, nil
}

// If no suitable IP is found, return an error
return "", errors.New("no suitable local IP address found")
}

// check if virtual network
func isDockerInterface(name string) bool {
return strings.HasPrefix(name, "docker") || strings.HasPrefix(name, "veth")
}

func GetRpcRegisterIP(configIP string) (string, error) {
registerIP := configIP
if registerIP == "" {
Expand Down