package triton import ( "log" "github.com/hashicorp/go-multierror" "github.com/hashicorp/packer/common" "github.com/hashicorp/packer/helper/communicator" "github.com/hashicorp/packer/helper/config" "github.com/hashicorp/packer/packer" "github.com/mitchellh/multistep" ) const ( BuilderId = "joyent.triton" ) type Builder struct { config Config runner multistep.Runner } func (b *Builder) Prepare(raws ...interface{}) ([]string, error) { errs := &multierror.Error{} err := config.Decode(&b.config, &config.DecodeOpts{ Interpolate: true, InterpolateContext: &b.config.ctx, }, raws...) if err != nil { errs = multierror.Append(errs, err) } errs = multierror.Append(errs, b.config.AccessConfig.Prepare(&b.config.ctx)...) errs = multierror.Append(errs, b.config.SourceMachineConfig.Prepare(&b.config.ctx)...) errs = multierror.Append(errs, b.config.Comm.Prepare(&b.config.ctx)...) errs = multierror.Append(errs, b.config.TargetImageConfig.Prepare(&b.config.ctx)...) // If we are using an SSH agent to sign requests, and no private key has been // specified for SSH, use the agent for connecting for provisioning. if b.config.AccessConfig.KeyMaterial == "" && b.config.Comm.SSHPrivateKey == "" { b.config.Comm.SSHAgentAuth = true } return nil, errs.ErrorOrNil() } func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) { config := b.config driver, err := NewDriverTriton(ui, config) if err != nil { return nil, err } state := new(multistep.BasicStateBag) state.Put("config", b.config) state.Put("debug", b.config.PackerDebug) state.Put("driver", driver) state.Put("hook", hook) state.Put("ui", ui) steps := []multistep.Step{ &StepCreateSourceMachine{}, &communicator.StepConnect{ Config: &config.Comm, Host: commHost, SSHConfig: sshConfig( b.config.Comm.SSHAgentAuth, b.config.Comm.SSHUsername, b.config.Comm.SSHPrivateKey, b.config.Comm.SSHPassword), }, &common.StepProvision{}, &StepStopMachine{}, &StepCreateImageFromMachine{}, &StepDeleteMachine{}, } b.runner = common.NewRunnerWithPauseFn(steps, b.config.PackerConfig, ui, state) b.runner.Run(state) // If there was an error, return that if rawErr, ok := state.GetOk("error"); ok { return nil, rawErr.(error) } // If there is no image, just return if _, ok := state.GetOk("image"); !ok { return nil, nil } artifact := &Artifact{ ImageID: state.Get("image").(string), BuilderIDValue: BuilderId, Driver: driver, } return artifact, nil } // Cancel cancels a possibly running Builder. This should block until // the builder actually cancels and cleans up after itself. func (b *Builder) Cancel() { if b.runner != nil { log.Println("Cancelling the step runner...") b.runner.Cancel() } }