/
common.go
134 lines (118 loc) · 3.04 KB
/
common.go
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// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package util
import (
"errors"
"fmt"
"net"
"runtime"
"strings"
"os"
"io/ioutil"
"regexp"
"github.com/Sirupsen/logrus"
"github.com/tidwall/gjson"
)
func Source(l *logrus.Entry) *logrus.Entry {
_, file, line, ok := runtime.Caller(2)
if !ok {
file = "<???>"
line = 1
} else {
slash := strings.LastIndex(file, "/")
file = file[slash+1:]
}
return l.WithField("source", fmt.Sprintf("%s:%d", file, line))
}
//ExternalIP 获取本机ip
func ExternalIP() (net.IP, error) {
ifaces, err := net.Interfaces()
if err != nil {
return nil, err
}
for _, iface := range ifaces {
if iface.Flags&net.FlagUp == 0 {
continue // interface down
}
if iface.Flags&net.FlagLoopback != 0 {
continue // loopback interface
}
addrs, err := iface.Addrs()
if err != nil {
return nil, err
}
for _, addr := range addrs {
var ip net.IP
switch v := addr.(type) {
case *net.IPNet:
ip = v.IP
case *net.IPAddr:
ip = v.IP
}
if ip == nil || ip.IsLoopback() {
continue
}
ip = ip.To4()
if ip == nil {
continue // not an ipv4 address
}
return ip, nil
}
}
return nil, errors.New("are you connected to the network?")
}
//GetHostID 获取机器ID
func GetHostID(nodeIDFile string) (string, error) {
_, err := os.Stat(nodeIDFile)
if err != nil {
return "", err
}
body, err := ioutil.ReadFile(nodeIDFile)
if err != nil {
return "", err
}
info := strings.Split(strings.TrimSpace(string(body)), "=")
if len(info) == 2 {
return info[1], nil
}
return "", fmt.Errorf("Invalid host uuid from file")
}
var rex *regexp.Regexp
//Format 格式化处理监控数据
func Format(source map[string]gjson.Result) map[string]interface{} {
defer func() {
if r := recover(); r != nil {
logrus.Warnf("error deal with source msg %v", source)
}
}()
if rex == nil {
var err error
rex, err = regexp.Compile(`\d+\.\d{3,}`)
if err != nil {
logrus.Error("create regexp error.", err.Error())
return nil
}
}
var data = make(map[string]interface{})
for k, v := range source {
if rex.MatchString(v.String()) {
d := strings.Split(v.String(), ".")
data[k] = fmt.Sprintf("%s.%s", d[0], d[1][0:2])
} else {
data[k] = v.String()
}
}
return data
}