/
step_config_key_pair.go
132 lines (109 loc) · 3.8 KB
/
step_config_key_pair.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
package ecs
import (
"context"
"fmt"
"os"
"runtime"
"github.com/aliyun/alibaba-cloud-sdk-go/services/ecs"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type stepConfigAlicloudKeyPair struct {
Debug bool
Comm *communicator.Config
DebugKeyPath string
RegionId string
keyName string
}
func (s *stepConfigAlicloudKeyPair) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
if s.Comm.SSHPrivateKeyFile != "" {
ui.Say("Using existing SSH private key")
privateKeyBytes, err := s.Comm.ReadSSHPrivateKeyFile()
if err != nil {
state.Put("error", err)
return multistep.ActionHalt
}
s.Comm.SSHPrivateKey = privateKeyBytes
return multistep.ActionContinue
}
if s.Comm.SSHAgentAuth && s.Comm.SSHKeyPairName == "" {
ui.Say("Using SSH Agent with key pair in source image")
return multistep.ActionContinue
}
if s.Comm.SSHAgentAuth && s.Comm.SSHKeyPairName != "" {
ui.Say(fmt.Sprintf("Using SSH Agent for existing key pair %s", s.Comm.SSHKeyPairName))
return multistep.ActionContinue
}
if s.Comm.SSHTemporaryKeyPairName == "" {
ui.Say("Not using temporary keypair")
s.Comm.SSHKeyPairName = ""
return multistep.ActionContinue
}
client := state.Get("client").(*ClientWrapper)
ui.Say(fmt.Sprintf("Creating temporary keypair: %s", s.Comm.SSHTemporaryKeyPairName))
createKeyPairRequest := ecs.CreateCreateKeyPairRequest()
createKeyPairRequest.RegionId = s.RegionId
createKeyPairRequest.KeyPairName = s.Comm.SSHTemporaryKeyPairName
keyResp, err := client.CreateKeyPair(createKeyPairRequest)
if err != nil {
return halt(state, err, "Error creating temporary keypair")
}
// Set the keyname so we know to delete it later
s.keyName = s.Comm.SSHTemporaryKeyPairName
// Set some state data for use in future steps
s.Comm.SSHKeyPairName = s.keyName
s.Comm.SSHPrivateKey = []byte(keyResp.PrivateKeyBody)
// If we're in debug mode, output the private key to the working
// directory.
if s.Debug {
ui.Message(fmt.Sprintf("Saving key for debug purposes: %s", s.DebugKeyPath))
f, err := os.Create(s.DebugKeyPath)
if err != nil {
state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
return multistep.ActionHalt
}
defer f.Close()
// Write the key out
if _, err := f.Write([]byte(keyResp.PrivateKeyBody)); err != nil {
state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
return multistep.ActionHalt
}
// Chmod it so that it is SSH ready
if runtime.GOOS != "windows" {
if err := f.Chmod(0600); err != nil {
state.Put("error", fmt.Errorf("Error setting permissions of debug key: %s", err))
return multistep.ActionHalt
}
}
}
return multistep.ActionContinue
}
func (s *stepConfigAlicloudKeyPair) Cleanup(state multistep.StateBag) {
// If no key name is set, then we never created it, so just return
// If we used an SSH private key file, do not go about deleting
// keypairs
if s.Comm.SSHPrivateKeyFile != "" || (s.Comm.SSHKeyPairName == "" && s.keyName == "") {
return
}
client := state.Get("client").(*ClientWrapper)
ui := state.Get("ui").(packer.Ui)
// Remove the keypair
ui.Say("Deleting temporary keypair...")
deleteKeyPairsRequest := ecs.CreateDeleteKeyPairsRequest()
deleteKeyPairsRequest.RegionId = s.RegionId
deleteKeyPairsRequest.KeyPairNames = fmt.Sprintf("[\"%s\"]", s.keyName)
_, err := client.DeleteKeyPairs(deleteKeyPairsRequest)
if err != nil {
ui.Error(fmt.Sprintf(
"Error cleaning up keypair. Please delete the key manually: %s", s.keyName))
}
// Also remove the physical key if we're debugging.
if s.Debug {
if err := os.Remove(s.DebugKeyPath); err != nil {
ui.Error(fmt.Sprintf(
"Error removing debug key '%s': %s", s.DebugKeyPath, err))
}
}
}