mirror of
https://github.com/crawlab-team/crawlab.git
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122 lines
2.4 KiB
Go
122 lines
2.4 KiB
Go
package register
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import (
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"github.com/apex/log"
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"github.com/spf13/viper"
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"net"
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"reflect"
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"runtime/debug"
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)
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type Register interface {
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// 注册的key类型
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GetType() string
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// 注册的key的值，唯一标识节点
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GetKey() (string, error)
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// 注册的节点IP
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GetIp() (string, error)
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// 注册节点的mac地址
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GetMac() (string, error)
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}
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// ===================== mac 地址注册 =====================
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type MacRegister struct{}
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func (mac *MacRegister) GetType() string {
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return "mac"
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}
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func (mac *MacRegister) GetKey() (string, error) {
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return mac.GetMac()
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}
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func (mac *MacRegister) GetMac() (string, error) {
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return getMac()
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}
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func (mac *MacRegister) GetIp() (string, error) {
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return getIp()
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}
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// ===================== ip 地址注册 =====================
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type IpRegister struct {
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Ip string
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}
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func (ip *IpRegister) GetType() string {
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return "ip"
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}
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func (ip *IpRegister) GetKey() (string, error) {
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return ip.Ip, nil
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}
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func (ip *IpRegister) GetIp() (string, error) {
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return ip.Ip, nil
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}
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func (ip *IpRegister) GetMac() (string, error) {
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return getMac()
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}
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// ===================== 公共方法 =====================
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// 获取本机的IP地址
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// TODO: 考虑多个IP地址的情况
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func getIp() (string, error) {
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addrList, err := net.InterfaceAddrs()
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if err != nil {
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return "", err
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}
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for _, value := range addrList {
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if ipNet, ok := value.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
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if ipNet.IP.To4() != nil {
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return ipNet.IP.String(), nil
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}
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}
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}
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return "", nil
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}
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func getMac() (string, error) {
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interfaces, err := net.Interfaces()
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if err != nil {
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log.Errorf("get interfaces error:" + err.Error())
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debug.PrintStack()
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return "", err
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}
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for _, inter := range interfaces {
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if inter.HardwareAddr != nil {
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mac := inter.HardwareAddr.String()
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return mac, nil
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}
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}
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return "", nil
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}
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// ===================== 获得注册简单工厂 =====================
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var register Register
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// 获得注册器
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func GetRegister() Register {
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if register != nil {
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return register
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}
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registerType := viper.GetString("server.register.type")
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if registerType == "mac" {
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register = &MacRegister{}
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} else {
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ip := viper.GetString("server.register.ip")
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if ip == "" {
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log.Error("server.register.ip is empty")
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debug.PrintStack()
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return nil
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}
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register = &IpRegister{
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Ip: ip,
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}
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}
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log.Info("register type is :" + reflect.TypeOf(register).String())
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return register
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}
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