func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
app := cli.NewApp()
app.Name = "remotgo"
app.Email = "*****@*****.**"
app.Usage = "Send commands over ssh to AWS EC2 instances"
app.Version = "0.0.1"
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "username, u",
Value: utils.GetUsername(),
Usage: "Ssh username (default: current user)",
},
cli.StringFlag{
Name: "password, p",
Value: "",
Usage: "Ssh password (default: empty)",
},
cli.StringFlag{
Name: "command, c",
Value: "uname -a",
Usage: "Command to execute.",
},
cli.BoolFlag{
Name: "quiet, q",
Usage: "Quiet mode (default: false)",
},
cli.IntFlag{
Name: "timeout, o",
Value: 200,
Usage: "Shh command timeout (default: 200)",
},
cli.StringSliceFlag{
Name: "tags, t",
Usage: "EC2 instance tags",
},
cli.StringFlag{
Name: "rsa, r",
Value: utils.GetDefaultRSAFilePath(),
Usage: "Path to RSA file (default ~/.ssh/id_rsa)",
},
cli.StringFlag{
Name: "dsa, d",
Value: utils.GetDefaultDSAFilePath(),
Usage: "Path to DSA file (default ~/.ssh/id_dsa)",
},
}
app.Action = func(c *cli.Context) {
instances, err := utils.GetInstances(c.StringSlice("tags"))
if err != nil {
panic(err)
}
var wg sync.WaitGroup
wg.Add(len(instances))
for _, instance := range instances {
go func(instance ec2.Instance) {
defer wg.Done()
_, _, result, err := utils.SshExec(
*instance.PublicDnsName,
c.String("username"),
c.String("password"),
c.String("rsa"),
c.String("dsa"),
c.String("command"),
c.Int("timeout"))
if len(err) != 0 {
utils.RenderOutput(*instance.PublicDnsName, err, c.Bool("quiet"))
} else {
utils.RenderOutput(*instance.PublicDnsName, result, c.Bool("quiet"))
}
}(*instance)
}
wg.Wait()
}
app.Run(os.Args)
}
func main() {
app := cli.NewApp()
app.Name = "remotgo"
app.Email = "*****@*****.**"
app.Usage = "Send commands over ssh to AWS EC2 instances"
app.Version = "0.0.1"
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "username, u",
Value: func() string {
username, err := user.Current()
if err != nil {
return ""
}
return username.Username
}(),
Usage: "Ssh username (default: current user)",
},
cli.StringFlag{
Name: "password, p",
Value: "",
Usage: "Ssh password (default: empty)",
},
cli.StringFlag{
Name: "command, c",
Value: "ls ~",
Usage: "Command to execute.",
},
cli.BoolFlag{
Name: "quiet, q",
Usage: "Quiet mode (default: false)",
},
cli.IntFlag{
Name: "timeout, o",
Value: 200,
Usage: "Shh command timeout (default: 200)",
},
cli.StringSliceFlag{
Name: "tags, t",
Usage: "EC2 instance tag",
},
}
app.Action = func(c *cli.Context) {
ins, err := utils.GetInstances()
if err != nil {
panic(err)
}
instances := utils.Filter(ins, utils.CreateFilter(c.StringSlice("tags")))
var wg sync.WaitGroup
wg.Add(len(instances))
for _, instance := range instances {
go func(instance ec2.Instance) {
defer wg.Done()
_, _, result, err := utils.SshExec(*instance.PublicDnsName, c.String("username"), c.String("password"), c.String("command"), c.Int("timeout"))
if len(err) != 0 {
utils.RenderOutput(*instance.PublicDnsName, err, c.Bool("quiet"))
} else {
utils.RenderOutput(*instance.PublicDnsName, result, c.Bool("quiet"))
}
}(*instance)
}
wg.Wait()
}
app.Run(os.Args)
}