115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
// The linode package contains a packer.Builder implementation
|
|
// that builds Linode images.
|
|
package linode
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
|
|
"github.com/hashicorp/packer/common"
|
|
"github.com/linode/linodego"
|
|
|
|
"github.com/hashicorp/packer/helper/communicator"
|
|
"github.com/hashicorp/packer/helper/multistep"
|
|
"github.com/hashicorp/packer/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) Prepare(raws ...interface{}) ([]string, error) {
|
|
c, warnings, errs := NewConfig(raws...)
|
|
if errs != nil {
|
|
return warnings, errs
|
|
}
|
|
b.config = c
|
|
return nil, nil
|
|
}
|
|
|
|
func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (ret packer.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.SSHHost),
|
|
SSHConfig: b.config.Comm.SSHConfigFunc(),
|
|
},
|
|
&common.StepProvision{},
|
|
&common.StepCleanupTempKeys{
|
|
Comm: &b.config.Comm,
|
|
},
|
|
&stepShutdownLinode{client},
|
|
&stepCreateImage{client},
|
|
}
|
|
|
|
b.runner = common.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,
|
|
}
|
|
|
|
return artifact, nil
|
|
}
|
|
|
|
func commHost(host string) func(multistep.StateBag) (string, error) {
|
|
return func(state multistep.StateBag) (string, error) {
|
|
if host != "" {
|
|
log.Printf("Using ssh_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
|
|
}
|
|
}
|