forked from hashicorp/packer
/
step_type_boot_command.go
130 lines (110 loc) · 3.08 KB
/
step_type_boot_command.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
package qemu
import (
"context"
"fmt"
"log"
"net"
"time"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/common/bootcommand"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/template/interpolate"
"github.com/mitchellh/go-vnc"
)
const KeyLeftShift uint32 = 0xFFE1
type bootCommandTemplateData struct {
HTTPIP string
HTTPPort uint
Name string
}
// This step "types" the boot command into the VM over VNC.
//
// Uses:
// config *config
// http_port int
// ui packer.Ui
// vnc_port uint
//
// Produces:
// <nothing>
type stepTypeBootCommand struct{}
func (s *stepTypeBootCommand) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
debug := state.Get("debug").(bool)
httpPort := state.Get("http_port").(uint)
ui := state.Get("ui").(packer.Ui)
vncPort := state.Get("vnc_port").(uint)
if config.VNCConfig.DisableVNC {
log.Println("Skipping boot command step...")
return multistep.ActionContinue
}
// Wait the for the vm to boot.
if int64(config.BootWait) > 0 {
ui.Say(fmt.Sprintf("Waiting %s for boot...", config.BootWait.String()))
select {
case <-time.After(config.BootWait):
break
case <-ctx.Done():
return multistep.ActionHalt
}
}
var pauseFn multistep.DebugPauseFn
if debug {
pauseFn = state.Get("pauseFn").(multistep.DebugPauseFn)
}
// Connect to VNC
ui.Say("Connecting to VM via VNC")
nc, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", vncPort))
if err != nil {
err := fmt.Errorf("Error connecting to VNC: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
defer nc.Close()
c, err := vnc.Client(nc, &vnc.ClientConfig{Exclusive: false})
if err != nil {
err := fmt.Errorf("Error handshaking with VNC: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
defer c.Close()
log.Printf("Connected to VNC desktop: %s", c.DesktopName)
hostIP := "10.0.2.2"
common.SetHTTPIP(hostIP)
configCtx := config.ctx
configCtx.Data = &bootCommandTemplateData{
hostIP,
httpPort,
config.VMName,
}
d := bootcommand.NewVNCDriver(c)
ui.Say("Typing the boot command over VNC...")
command, err := interpolate.Render(config.VNCConfig.FlatBootCommand(), &configCtx)
if err != nil {
err := fmt.Errorf("Error preparing boot command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
seq, err := bootcommand.GenerateExpressionSequence(command)
if err != nil {
err := fmt.Errorf("Error generating boot command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if err := seq.Do(ctx, d); err != nil {
err := fmt.Errorf("Error running boot command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if pauseFn != nil {
pauseFn(multistep.DebugLocationAfterRun, fmt.Sprintf("boot_command: %s", command), state)
}
return multistep.ActionContinue
}
func (*stepTypeBootCommand) Cleanup(multistep.StateBag) {}