forked from docker/machine
-
Notifications
You must be signed in to change notification settings - Fork 0
/
generic.go
164 lines (135 loc) · 3.51 KB
/
generic.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
package generic
import (
"errors"
"fmt"
"net"
"os"
"path/filepath"
"strconv"
"time"
"github.com/docker/machine/libmachine/drivers"
"github.com/docker/machine/libmachine/log"
"github.com/docker/machine/libmachine/mcnflag"
"github.com/docker/machine/libmachine/mcnutils"
"github.com/docker/machine/libmachine/state"
)
type Driver struct {
*drivers.BaseDriver
SSHKey string
}
const (
defaultTimeout = 1 * time.Second
)
var (
defaultSourceSSHKey = filepath.Join(mcnutils.GetHomeDir(), ".ssh", "id_rsa")
)
// GetCreateFlags registers the flags this driver adds to
// "docker hosts create"
func (d *Driver) GetCreateFlags() []mcnflag.Flag {
return []mcnflag.Flag{
mcnflag.StringFlag{
Name: "generic-ip-address",
Usage: "IP Address of machine",
},
mcnflag.StringFlag{
Name: "generic-ssh-user",
Usage: "SSH user",
Value: drivers.DefaultSSHUser,
},
mcnflag.StringFlag{
Name: "generic-ssh-key",
Usage: "SSH private key path",
Value: defaultSourceSSHKey,
},
mcnflag.IntFlag{
Name: "generic-ssh-port",
Usage: "SSH port",
Value: drivers.DefaultSSHPort,
},
}
}
// NewDriver creates and returns a new instance of the driver
func NewDriver(hostName, storePath string) drivers.Driver {
return &Driver{
BaseDriver: &drivers.BaseDriver{
MachineName: hostName,
StorePath: storePath,
},
SSHKey: defaultSourceSSHKey,
}
}
// DriverName returns the name of the driver
func (d *Driver) DriverName() string {
return "generic"
}
func (d *Driver) GetSSHHostname() (string, error) {
return d.GetIP()
}
func (d *Driver) GetSSHUsername() string {
return d.SSHUser
}
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 errors.New("generic driver requires the --generic-ip-address option")
}
if d.SSHKey == "" {
return errors.New("generic driver requires the --generic-ssh-key option")
}
return nil
}
func (d *Driver) Create() error {
log.Info("Importing SSH key...")
// TODO: validate the key is a valid key
if err := mcnutils.CopyFile(d.SSHKey, d.GetSSHKeyPath()); err != nil {
return fmt.Errorf("unable to copy ssh key: %s", err)
}
if err := os.Chmod(d.GetSSHKeyPath(), 0600); err != nil {
return fmt.Errorf("unable to set permissions on the ssh key: %s", 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) GetState() (state.State, error) {
address := net.JoinHostPort(d.IPAddress, strconv.Itoa(d.SSHPort))
_, err := net.DialTimeout("tcp", address, defaultTimeout)
var st state.State
if err != nil {
st = state.Stopped
} else {
st = state.Running
}
return st, nil
}
func (d *Driver) Start() error {
return errors.New("generic driver does not support start")
}
func (d *Driver) Stop() error {
return errors.New("generic driver does not support stop")
}
func (d *Driver) Remove() error {
return nil
}
func (d *Driver) Restart() error {
log.Debug("Restarting...")
_, err := drivers.RunSSHCommandFromDriver(d, "sudo shutdown -r now")
return err
}
func (d *Driver) Kill() error {
log.Debug("Killing...")
_, err := drivers.RunSSHCommandFromDriver(d, "sudo shutdown -P now")
return err
}
func (d *Driver) publicSSHKeyPath() string {
return d.GetSSHKeyPath() + ".pub"
}