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test.go
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test.go
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package main
import (
"fmt"
//"io/ioutil"
"bufio"
"log"
"strings"
//"os/exec"
//"golang.org/x/crypto/ssh/terminal"
//"github.com/howeyc/gopass"
"database/sql"
"os/exec"
_ "github.com/go-sql-driver/mysql"
"github.com/jroimartin/gocui"
)
const delta = 0.2
func main() {
g, err := gocui.NewGui(gocui.Output256)
if err != nil {
log.Panicln(err)
}
defer g.Close()
g.Highlight = true
g.Cursor = true
g.SelFgColor = gocui.ColorGreen
g.Mouse = true
g.SetManagerFunc(layout)
if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
log.Panicln(err)
}
if err := g.SetKeybinding("", gocui.MouseLeft, gocui.ModNone, aaa2); err != nil {
log.Panicln(err)
}
/* if err := g.SetKeybinding("side1", gocui.KeyEnter, gocui.ModNone, aaa1); err != nil {
log.Panicln(err)
}
*/
/// aaa(g)
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
log.Panicln(err)
}
}
func setCurrentViewOnTop(g *gocui.Gui, name string) (*gocui.View, error) {
if _, err := g.SetCurrentView(name); err != nil {
return nil, err
}
return g.SetViewOnTop(name)
}
func layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
if v, err := g.SetView("side1", 0, 0, maxX/3, 5); err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.Title = "DB Connection Info"
v.Editable = true
v.Wrap = true
v.SetCursor(13, 0)
fmt.Fprintln(v, "IP Address : ")
fmt.Fprintln(v, "User Name : ")
fmt.Fprintln(v, "Password : ")
if err := g.SetKeybinding("side1", gocui.KeyEnter, gocui.ModNone, aaa1); err != nil {
log.Panicln(err)
}
if _, err = setCurrentViewOnTop(g, "side1"); err != nil {
return err
}
}
if v, err := g.SetView("side2", 0, 6, maxX/3, (maxY/4)*2); err != nil {
if err != gocui.ErrUnknownView {
return err
}
fmt.Fprintln(v, "aa")
}
if _, err := g.SetView("side3", 0, (maxY/4)*2+1, maxX/3, maxY-1); err != nil {
if err != gocui.ErrUnknownView {
return err
}
//fmt.Fprintln(v, "aa")
}
if v, err := g.SetView("main", maxX/3+1, 0, maxX-1, maxY-1); err != nil {
if err != gocui.ErrUnknownView {
return err
}
v.Title = "Processlist"
/* g.Mouse = true
if err := g.SetKeybinding("main", gocui.MouseLeft, gocui.ModNone, aaa2); err != nil {
log.Panicln(err)
}
*/ //g.Mouse = true
fmt.Fprintln(v, "")
}
return nil
}
func quit(g *gocui.Gui, v *gocui.View) error {
return gocui.ErrQuit
}
/*
func aaa(g *gocui.Gui){
g.Update(func(g *gocui.Gui) error {
v, err := g.View("main")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, "hello world")
return nil
})
}
*/
func aaa(g *gocui.Gui, v *gocui.View) error {
g.Update(func(g *gocui.Gui) error {
v, err := g.View("main")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, "hello world")
return nil
})
return nil
}
var passWord string
func aaa1(g *gocui.Gui, v *gocui.View) error {
var connInfo string
connInfo = v.Buffer()
_, y := v.Cursor()
// fmt.Fprintln(v, y)
if y == 0 {
v.SetCursor(13, y+1)
} else if y == 1 {
v.SetCursor(13, y+1)
// fmt.Fprintln(v, passWord)
// maskedPassword, _ := gopass.GetPasswdMasked()
// fmt.Fprintln(v, maskedPassword)
} else if y == 2 {
/*
g.Update(func(g *gocui.Gui) error {
v, err := g.View("side2")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, connInfo)
return nil
})
*/
// maskedPassword, _ := gopass.GetPasswdMasked()
// fmt.Fprintln(v, maskedPassword)
err := setConnInfo(g, v, connInfo)
if err != nil {
return err
}
err = execAll(g, v)
if err != nil {
return err
}
/*
n := 0
for n < 5 {
time.Sleep(5 * time.Second)
err = execAll(g, v)
n = n + 1
}
*/
}
return nil
}
func execAll(g *gocui.Gui, v *gocui.View) error {
go displayMain(g, v)
go getSarInfo(g, v)
go getIostatInfo(g, v)
return nil
}
var IP_ADDR string
var USERNAME string
var PASSWORD string
//var connInfo [3]string
func setConnInfo(g *gocui.Gui, v *gocui.View, buf string) error {
scanner := bufio.NewScanner(strings.NewReader(strings.TrimSuffix(buf, "\n")))
var connInfo [3]string
i := 0
for scanner.Scan() {
tempStr := scanner.Text()
connInfo[i] = tempStr[strings.Index(tempStr, ":")+2 : len(tempStr)]
i = i + 1
}
IP_ADDR = connInfo[0]
USERNAME = connInfo[1]
PASSWORD = connInfo[2]
/*
err := displayMain(g, v)
if err != nil {
return err
}
*/
return nil
}
func displayMain(g *gocui.Gui, v *gocui.View) error {
connString := fmt.Sprintf("%s:%s@tcp(%s:3306)/information_schema", USERNAME, PASSWORD, IP_ADDR)
db, err := sql.Open("mysql", connString)
if err != nil {
panic(err.Error())
}
defer db.Close()
//processListQuery := "select Command, count(*) from information_schema.processlist group by Command"
processListQuery := "select user, command from information_schema.processlist"
processlist, err := db.Query(processListQuery)
if err != nil {
return err
}
defer processlist.Close()
var command string
var cnt string
var result string
for processlist.Next() {
err := processlist.Scan(&command, &cnt)
if err != nil {
return err
}
result = fmt.Sprintf("%s \n %-20v| %-20v| ", result, command, cnt)
}
g.Update(func(g *gocui.Gui) error {
v, err := g.View("main")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, result)
return nil
})
return nil
}
func getSarInfo(g *gocui.Gui, v *gocui.View) error {
//command := fmt.Sprintf("ssh %s sar 1 10", IP_ADDR)
out, err := exec.Command("ssh", IP_ADDR, "sar", "1", "5").Output()
output := string(out[:])
if err != nil {
return err
}
/* var temp string
for output.Next() {
err := output.Scan(&temp)
if err != nil {
return err
}
result = fmt.Sprintf("%s \n %s", result, temp)
}
*/
g.Update(func(g *gocui.Gui) error {
v, err := g.View("side2")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, output)
return nil
})
return nil
}
func getIostatInfo(g *gocui.Gui, v *gocui.View) error {
//command := fmt.Sprintf("ssh %s sar 1 10", IP_ADDR)
out, err := exec.Command("ssh", IP_ADDR, "iostat", "-xm", "1", "3").Output()
output := string(out[:])
if err != nil {
return err
}
/* var temp string
for output.Next() {
err := output.Scan(&temp)
if err != nil {
return err
}
result = fmt.Sprintf("%s \n %s", result, temp)
}
*/
g.Update(func(g *gocui.Gui) error {
v, err := g.View("side3")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, output)
return nil
})
return nil
}
func aaa2(g *gocui.Gui, v *gocui.View) error {
if err := changeView(g, v); err != nil {
return err
}
//viewName := v.Name()
return nil
}
func changeView(g *gocui.Gui, v *gocui.View) error {
viewName := v.Name()
if _, err := setCurrentViewOnTop(g, viewName); err != nil {
return err
}
g.Highlight = true
g.Cursor = true
g.SelFgColor = gocui.ColorGreen
// fmt.Fprintln(v, ipAddr)
/* g.Update(func(g *gocui.Gui) error {
v, err := g.View(viewName)
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, viewName)
return nil
})
*/
return nil
}
func aaa3(g *gocui.Gui, v *gocui.View) error {
var ipAddr string
ipAddr = v.Buffer()
v.SetCursor(24, 1)
// fmt.Fprintln(v, ipAddr)
g.Update(func(g *gocui.Gui) error {
v, err := g.View("main")
if err != nil {
return err
}
v.Clear()
fmt.Fprintln(v, ipAddr)
return nil
})
return nil
}