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
|
// The linode package contains a packersdk.Builder implementation
// that builds Linode images.
package linode
import (
"context"
"errors"
"fmt"
"log"
"github.com/hashicorp/hcl/v2/hcldec"
"github.com/linode/linodego"
"github.com/hashicorp/packer/packer-plugin-sdk/communicator"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep/commonsteps"
packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
)
// The unique ID for this builder.
const BuilderID = "packer.linode"
// Builder represents a Packer Builder.
type Builder struct {
config Config
runner multistep.Runner
}
func (b *Builder) ConfigSpec() hcldec.ObjectSpec { return b.config.FlatMapstructure().HCL2Spec() }
func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
warnings, errs := b.config.Prepare(raws...)
if errs != nil {
return nil, warnings, errs
}
return nil, nil, nil
}
func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook) (ret packersdk.Artifact, err error) {
ui.Say("Running builder ...")
client := newLinodeClient(b.config.PersonalAccessToken)
if err != nil {
ui.Error(err.Error())
return nil, err
}
state := new(multistep.BasicStateBag)
state.Put("config", &b.config)
state.Put("hook", hook)
state.Put("ui", ui)
steps := []multistep.Step{
&StepCreateSSHKey{
Debug: b.config.PackerDebug,
DebugKeyPath: fmt.Sprintf("linode_%s.pem", b.config.PackerBuildName),
},
&stepCreateLinode{client},
&communicator.StepConnect{
Config: &b.config.Comm,
Host: commHost(b.config.Comm.Host()),
SSHConfig: b.config.Comm.SSHConfigFunc(),
},
&commonsteps.StepProvision{},
&commonsteps.StepCleanupTempKeys{
Comm: &b.config.Comm,
},
&stepShutdownLinode{client},
&stepCreateImage{client},
}
b.runner = commonsteps.NewRunner(steps, b.config.PackerConfig, ui)
b.runner.Run(ctx, state)
if rawErr, ok := state.GetOk("error"); ok {
return nil, rawErr.(error)
}
// If we were interrupted or cancelled, then just exit.
if _, ok := state.GetOk(multistep.StateCancelled); ok {
return nil, errors.New("Build was cancelled.")
}
if _, ok := state.GetOk(multistep.StateHalted); ok {
return nil, errors.New("Build was halted.")
}
if _, ok := state.GetOk("image"); !ok {
return nil, errors.New("Cannot find image in state.")
}
image := state.Get("image").(*linodego.Image)
artifact := Artifact{
ImageLabel: image.Label,
ImageID: image.ID,
Driver: &client,
StateData: map[string]interface{}{"generated_data": state.Get("generated_data")},
}
return artifact, nil
}
func commHost(host string) func(multistep.StateBag) (string, error) {
return func(state multistep.StateBag) (string, error) {
if host != "" {
log.Printf("Using host value: %s", host)
return host, nil
}
instance := state.Get("instance").(*linodego.Instance)
if len(instance.IPv4) == 0 {
return "", fmt.Errorf("Linode instance %d has no IPv4 addresses!", instance.ID)
}
return instance.IPv4[0].String(), nil
}
}
|
