packer-cn/builder/linode/builder.go

99 lines
2.2 KiB
Go

// The linode package contains a packer.Builder implementation
// that builds Linode images.
package linode
import (
"context"
"errors"
"fmt"
"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,
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
}