func cmdIp(c *cli.Context) {
checkFlagsIncompatible(c, "nic_id", "network", "network_id")
var (
vm *goca.VM
err error
)
if vm, err = GetVM(c.Args().First()); err != nil {
log.Fatal(err)
}
if err = vm.Info(); err != nil {
log.Fatal(err)
}
xpath := "/VM/TEMPLATE/NIC"
if c.IsSet("nic_id") {
xpath += fmt.Sprintf("[NIC_ID='%d']", c.Int("nic_id"))
} else if c.IsSet("network_id") {
xpath += fmt.Sprintf("[NETWORK_ID='%d']", c.Int("network_id"))
} else if c.IsSet("network") {
xpath += fmt.Sprintf("[NETWORK='%s']", c.String("network"))
}
if c.Bool("all") {
iter := vm.XPathIter(xpath)
for iter.Next() {
node := iter.Node()
ip, ok := node.XPath("IP")
if ok == false {
exitError("Unable to find IP.")
}
fmt.Println(ip)
}
} else {
xpath += "/IP"
ip, ok := vm.XPath(xpath)
if ok == false {
exitError("Unable to find IP.")
}
fmt.Println(ip)
}
}
func cmdSSH(c *cli.Context) {
checkFlagsIncompatible(c, "nic_id", "network", "network_id")
var (
vm *goca.VM
err error
interval time.Duration = time.Duration(c.Int("interval"))
baseSSHArgs = []string{
"-o", "PasswordAuthentication=no",
"-o", "IdentitiesOnly=yes",
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
"-o", "LogLevel=quiet", // suppress "Warning: Permanently added '[localhost]:2022' (ECDSA) to the list of known hosts."
"-o", "ConnectionAttempts=3", // retry 3 times if SSH connection fails
"-o", "ConnectTimeout=10", // timeout after 10 seconds
"-o", "ControlMaster=no", // disable ssh multiplexing
"-o", "ControlPath=no",
"exit", "0",
}
)
if vm, err = GetVM(c.Args().First()); err != nil {
log.Fatal(err)
}
if err = vm.Info(); err != nil {
log.Fatal(err)
}
xpath := "/VM/TEMPLATE/NIC"
if c.IsSet("nic_id") {
xpath += fmt.Sprintf("[NIC_ID='%d']", c.Int("nic_id"))
} else if c.IsSet("network_id") {
xpath += fmt.Sprintf("[NETWORK_ID='%d']", c.Int("network_id"))
} else if c.IsSet("network") {
xpath += fmt.Sprintf("[NETWORK='%s']", c.String("network"))
}
xpath += "/IP"
ip, ok := vm.XPath(xpath)
if ok == false {
exitError("Unable to find IP.")
}
ssh_args := []string{ip, "-l", "root"}
ssh_args = append(ssh_args, c.Args()[1:]...)
if c.Bool("wait") {
// add the wait args
ssh_args = append(ssh_args, baseSSHArgs...)
for r := 0; r < c.Int("retries"); r++ {
if err = vm.Info(); err != nil {
exitError(err.Error())
}
vm_state, lcm_state, err := vm.StateString()
if err != nil {
exitError(err.Error())
}
if strings.Contains(vm_state, "FAIL") || strings.Contains(lcm_state, "FAIL") {
exitError("ssh not ready (vm failed).")
}
cmd := exec.Command("ssh", ssh_args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err = cmd.Run(); err == nil {
return
}
time.Sleep(interval * time.Second)
}
exitError("ssh not ready.")
} else {
ssh_path, err := exec.LookPath("ssh")
if err != nil {
exitError("ssh executable not found.")
}
fmt.Println("ssh", strings.Join(ssh_args, " "))
ssh_args = append([]string{ssh_path}, ssh_args...)
env := os.Environ()
err = syscall.Exec(ssh_path, ssh_args, env)
if err != nil {
panic(err)
}
}
}