forked from docker/machine
/
generic.go
222 lines (181 loc) · 4.39 KB
/
generic.go
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package generic
import (
"fmt"
"net"
"os"
"path/filepath"
"time"
"github.com/codegangsta/cli"
"github.com/docker/machine/drivers"
"github.com/docker/machine/log"
"github.com/docker/machine/provider"
"github.com/docker/machine/state"
"github.com/docker/machine/utils"
)
type Driver struct {
MachineName string
IPAddress string
SSHKey string
SSHUser string
SSHPort int
CaCertPath string
PrivateKeyPath string
DriverKeyPath string
SwarmMaster bool
SwarmHost string
SwarmDiscovery string
storePath string
}
const (
defaultTimeout = 1 * time.Second
)
func init() {
drivers.Register("generic", &drivers.RegisteredDriver{
New: NewDriver,
GetCreateFlags: GetCreateFlags,
})
}
// GetCreateFlags registers the flags this driver adds to
// "docker hosts create"
func GetCreateFlags() []cli.Flag {
return []cli.Flag{
cli.StringFlag{
Name: "generic-ip-address",
Usage: "IP Address of machine",
Value: "",
},
cli.StringFlag{
Name: "generic-ssh-user",
Usage: "SSH user",
Value: "root",
},
cli.StringFlag{
Name: "generic-ssh-key",
Usage: "SSH private key path",
Value: filepath.Join(utils.GetHomeDir(), ".ssh", "id_rsa"),
},
cli.IntFlag{
Name: "generic-ssh-port",
Usage: "SSH port",
Value: 22,
},
}
}
func NewDriver(machineName string, storePath string, caCert string, privateKey string) (drivers.Driver, error) {
return &Driver{
MachineName: machineName,
storePath: storePath,
CaCertPath: caCert,
PrivateKeyPath: privateKey,
}, nil
}
func (d *Driver) DriverName() string {
return "generic"
}
func (d *Driver) AuthorizePort(ports []*drivers.Port) error {
return nil
}
func (d *Driver) DeauthorizePort(ports []*drivers.Port) error {
return nil
}
func (d *Driver) GetMachineName() string {
return d.MachineName
}
func (d *Driver) GetSSHHostname() (string, error) {
return d.GetIP()
}
func (d *Driver) GetSSHKeyPath() string {
return filepath.Join(d.storePath, "id_rsa")
}
func (d *Driver) GetSSHPort() (int, error) {
if d.SSHPort == 0 {
d.SSHPort = 22
}
return d.SSHPort, nil
}
func (d *Driver) GetSSHUsername() string {
return d.SSHUser
}
func (d *Driver) GetProviderType() provider.ProviderType {
return provider.Remote
}
func (d *Driver) SetConfigFromFlags(flags drivers.DriverOptions) error {
d.IPAddress = flags.String("generic-ip-address")
d.SSHUser = flags.String("generic-ssh-user")
d.SSHKey = flags.String("generic-ssh-key")
d.SSHPort = flags.Int("generic-ssh-port")
if d.IPAddress == "" {
return fmt.Errorf("generic driver requires the --generic-ip-address option")
}
if d.SSHKey == "" {
return fmt.Errorf("generic driver requires the --generic-ssh-key option")
}
return nil
}
func (d *Driver) PreCreateCheck() error {
return nil
}
func (d *Driver) Create() error {
log.Infof("Importing SSH key...")
if err := utils.CopyFile(d.SSHKey, d.sshKeyPath()); err != nil {
return fmt.Errorf("unable to copy ssh key: %s", err)
}
if err := os.Chmod(d.sshKeyPath(), 0600); err != nil {
return err
}
log.Debugf("IP: %s", d.IPAddress)
return nil
}
func (d *Driver) GetURL() (string, error) {
ip, err := d.GetIP()
if err != nil {
return "", err
}
return fmt.Sprintf("tcp://%s:2376", ip), nil
}
func (d *Driver) GetIP() (string, error) {
if d.IPAddress == "" {
return "", fmt.Errorf("IP address is not set")
}
return d.IPAddress, nil
}
func (d *Driver) GetState() (state.State, error) {
addr := fmt.Sprintf("%s:%d", d.IPAddress, d.SSHPort)
_, err := net.DialTimeout("tcp", addr, defaultTimeout)
var st state.State
if err != nil {
st = state.Stopped
} else {
st = state.Running
}
return st, nil
}
func (d *Driver) Start() error {
return fmt.Errorf("generic driver does not support start")
}
func (d *Driver) Stop() error {
return fmt.Errorf("generic driver does not support stop")
}
func (d *Driver) Remove() error {
return nil
}
func (d *Driver) Restart() error {
log.Debug("Restarting...")
if _, err := drivers.RunSSHCommandFromDriver(d, "sudo shutdown -r now"); err != nil {
return err
}
return nil
}
func (d *Driver) Kill() error {
log.Debug("Killing...")
if _, err := drivers.RunSSHCommandFromDriver(d, "sudo shutdown -P now"); err != nil {
return err
}
return nil
}
func (d *Driver) sshKeyPath() string {
return filepath.Join(d.storePath, "id_rsa")
}
func (d *Driver) publicSSHKeyPath() string {
return d.sshKeyPath() + ".pub"
}