packer-cn/builder/cloudstack/builder.go

107 lines
2.3 KiB
Go

package cloudstack
import (
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
"github.com/xanzy/go-cloudstack/cloudstack"
)
const BuilderId = "packer.cloudstack"
// Builder represents the CloudStack builder.
type Builder struct {
config *Config
runner multistep.Runner
ui packer.Ui
}
// Prepare implements the packer.Builder interface.
func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
config, errs := NewConfig(raws...)
if errs != nil {
return nil, errs
}
b.config = config
return nil, nil
}
// Run implements the packer.Builder interface.
func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
b.ui = ui
// Create a CloudStack API client.
client := cloudstack.NewAsyncClient(
b.config.APIURL,
b.config.APIKey,
b.config.SecretKey,
!b.config.SSLNoVerify,
)
// Set the time to wait before timing out
client.AsyncTimeout(int64(b.config.AsyncTimeout.Seconds()))
// Some CloudStack service providers only allow HTTP GET calls.
client.HTTPGETOnly = b.config.HTTPGetOnly
// Set up the state.
state := new(multistep.BasicStateBag)
state.Put("client", client)
state.Put("config", b.config)
state.Put("hook", hook)
state.Put("ui", ui)
// Build the steps.
steps := []multistep.Step{
&stepPrepareConfig{},
&stepCreateInstance{},
&stepSetupNetworking{},
&communicator.StepConnect{
Config: &b.config.Comm,
Host: commHost,
SSHConfig: sshConfig,
},
&common.StepProvision{},
&stepShutdownInstance{},
&stepCreateTemplate{},
}
// Configure the runner.
if b.config.PackerDebug {
b.runner = &multistep.DebugRunner{
Steps: steps,
PauseFn: common.MultistepDebugFn(ui),
}
} else {
b.runner = &multistep.BasicRunner{Steps: steps}
}
// Run the steps.
b.runner.Run(state)
// If there are no templates, then just return
template, ok := state.Get("template").(*cloudstack.CreateTemplateResponse)
if !ok || template == nil {
return nil, nil
}
// Build the artifact and return it
artifact := &Artifact{
client: client,
config: b.config,
template: template,
}
return artifact, nil
}
// Cancel the step runner.
func (b *Builder) Cancel() {
if b.runner != nil {
b.ui.Say("Cancelling the step runner...")
b.runner.Cancel()
}
}