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executor.go
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executor.go
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package main
import (
"fmt"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
"os"
"os/exec"
"strings"
"github.com/piglei/lbssh/pkg/storage"
)
type DefaultExecutor struct {
backend storage.HostBackend
}
func (e *DefaultExecutor) execute(t string) {
t = strings.TrimSpace(t)
if t == "" {
return
} else if t == "quit" || t == "exit" {
fmt.Println("Bye!")
os.Exit(0)
return
}
args := strings.Split(t, " ")
if args[0] == ActionGo && len(args) > 1 {
// Add counter for host
hostName := args[1]
err := e.backend.AddNewVisit(hostName)
if err != nil {
log.Warnf("Unable to update visit fields for %s: %s", hostName, err.Error())
}
sshArgs := strings.Join(args[1:], " ")
e.StartSSHSession(sshArgs)
return
} else {
log.Infof("Usage: %s HOSTNAME", ActionGo)
return
}
return
}
func (e *DefaultExecutor) StartSSHSession(sshArgs string) {
sshBin := viper.GetString(SSHBin)
if sshBin == "" {
sshBin = SSHBinDefault
}
command := sshBin + " " + sshArgs
log.Infof("SSH into machine using command '%s'", command)
cmd := exec.Command("/bin/sh", "-c", command)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
fmt.Printf("Got error: %s\n", err.Error())
}
return
}