/
main.go
285 lines (244 loc) · 5.92 KB
/
main.go
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// grepprocessinfo project main.go
package main
import (
"errors"
"github.com/msbranco/goconfig"
//"github.com/pelletier/go-toml"
"log"
"net"
"os"
"os/exec"
"path"
"runtime"
"strings"
"time"
)
var TIME_NOW time.Time
var LOCAL_IP string = "127.0.0.1"
var configFile *goconfig.ConfigFile
type Info struct {
pid string
port string
cpu string
memory string
moduleName string
ip string
diskRead string
diskWrite string
netsent string
netreceived string
nonetconn string
nofile string
sysnofile string
dubboport string
createdTime time.Time
}
func checkErr(err error) {
if err != nil {
panic(err)
}
}
func localIP() (net.IP, error) {
tt, err := net.Interfaces()
if err != nil {
return nil, err
}
for _, t := range tt {
aa, err := t.Addrs()
if err != nil {
return nil, err
}
for _, a := range aa {
ipnet, ok := a.(*net.IPNet)
if !ok {
continue
}
v4 := ipnet.IP.To4()
if v4 == nil || v4[0] == 127 { // loopback address
continue
}
return v4, nil
}
}
return nil, errors.New("cannot find local IP address")
}
func pipe_commands(commands ...*exec.Cmd) ([]byte, error) {
for i, command := range commands[:len(commands)-1] {
out, err := command.StdoutPipe()
checkErr(err)
command.Start()
commands[i+1].Stdin = out
}
final, err := commands[len(commands)-1].Output()
if err != nil {
log.Println("fetch failed")
}
for _, command := range commands[:len(commands)-1] {
command.Wait()
}
return final, nil
}
func handleLine(line string, moduleName string, port string) Info {
fields := strings.Split(line, " ")
var newFields []string
//过滤掉空白field
for _, field := range fields {
field = strings.TrimSpace(field)
if len(field) == 0 {
continue
}
newFields = append(newFields, field)
}
var info Info
info.ip = LOCAL_IP
info.createdTime = TIME_NOW //将同一次统计生成的数据时间统一掉
info.moduleName = moduleName
info.port = port
isNoderunner := strings.Contains(line, "com.yuanxin.paas.mgmt.noderunner.Main")
for index, field := range newFields {
//fmt.Println(index, " ", field)
if index == 1 {
info.pid = field
}
if index == 5 {
info.memory = field
}
if isNoderunner {
if strings.Contains(field, "-Dmodule=") {
info.moduleName = strings.Split(field, "=")[1]
}
if strings.Contains(field, "-Dport=") {
info.port = strings.Split(field, "=")[1]
}
if strings.Contains(field, "-Ddubbo.protocol.port=") {
info.dubboport = strings.Split(field, "=")[1]
}
}
}
return info
}
func AssignMoreInfo(list []Info, topout, iotopout, lsofout string, nethogsOut []string) []Info {
var newList []Info
for _, info := range list {
info.cpu = fetchCPU(info.pid, topout)
info.diskRead, info.diskWrite = fetchDISKIO(info.pid, iotopout)
//log.Println(lsofout)
info.nonetconn, info.nofile, info.sysnofile = fetchLSOF(info.pid, lsofout)
info.netsent, info.netreceived = fetchNethogs(info.pid, nethogsOut)
//log.Println(info)
newList = append(newList, info)
}
return newList
}
func execFetchProcessList() []Info {
ps := exec.Command("ps", "aux")
grep2 := exec.Command("grep", "-v", "grep")
out, err := pipe_commands(ps, grep2)
checkErr(err)
s := string(out)
//fmt.Println(s)
lines := strings.Split(s, "\n")
grepProcessesString, err := configFile.GetString("main", "grepProcesses")
var checkedList []string
if err == nil {
checkedList = strings.Split(grepProcessesString, ",")
}
var list []Info
for _, line := range lines {
line = strings.TrimSpace(line)
if len(line) == 0 {
continue
}
hasHandled := false
for _, item := range checkedList {
item = strings.TrimSpace(item)
if len(item) == 0 {
continue
}
cmdkey, err := configFile.GetString(item, "cmdkey")
if err != nil {
continue
}
port, err := configFile.GetString(item, "port")
if err != nil {
continue
}
if strings.Contains(line, cmdkey) {
r := handleLine(line, item, port)
list = append(list, r)
hasHandled = true
break
}
}
if !hasHandled && strings.Contains(line, "java") {
r := handleLine(line, "unkown-java", "0")
list = append(list, r)
hasHandled = true
}
}
return list
}
func init() {
os.Chdir(path.Dir(os.Args[0]))
AppPath := path.Dir(os.Args[0])
AppConfigPath := path.Join(AppPath, "config.cfg")
var err error
configFile, err = goconfig.ReadConfigFile(AppConfigPath)
checkErr(err)
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
ip, err := localIP()
checkErr(err)
LOCAL_IP = ip.String()
TIME_NOW = time.Now()
ioresult := make(chan string)
topresult := make(chan string)
lsofresult := make(chan string)
nethogsResult := make(chan []string)
go execIOTOP(ioresult)
go execTOP(topresult)
go execLSOF(lsofresult)
go execNethogs(nethogsResult)
dbType, err := configFile.GetString("main", "dbType")
checkErr(err)
list := execFetchProcessList()
topout := <-topresult
iotopout := <-ioresult
lsofout := <-lsofresult
nethogsOut := <-nethogsResult
//log.Println(lsofout)
list = AssignMoreInfo(list, topout, iotopout, lsofout, nethogsOut)
//for _, info := range list {
// log.Println(info)
//}
if dbType == "mysql" {
url, err := configFile.GetString("mysql", "url")
checkErr(err)
Save2MySQL(list, url)
/*
} else if dbType == "oracle" {
url, err := configFile.GetString("oracle", "url")
checkErr(err)
Save2Oracle(list, url)
*/
} else {
/**
DB_ENTRY_DBNAME=platform
DB_ENTRY_USER_PASSWORD=123456
DB_ENTRY=10.180.120.64:3306
DB_ENTRY_USER=root
**/
dbEntry := os.Getenv("DB_ENTRY")
dbName := os.Getenv("DB_ENTRY_DBNAME")
dbUser := os.Getenv("DB_ENTRY_USER")
dbPassword := os.Getenv("DB_ENTRY_USER_PASSWORD")
if dbEntry == "" || dbName == "" || dbUser == "" || dbPassword == "" {
log.Println("can not get db env info")
} else {
url := dbUser + ":" + dbPassword + "@tcp(" + dbEntry + ")/" + dbName
Save2MySQL(list, url)
}
}
log.Println("Finished!")
}