github.com/StackPointCloud/packer@v0.10.2-0.20180716202532-b28098e0f79b/builder/scaleway/builder.go (about) 1 // The scaleway package contains a packer.Builder implementation 2 // that builds Scaleway images (snapshots). 3 4 package scaleway 5 6 import ( 7 "errors" 8 "fmt" 9 "log" 10 11 "github.com/hashicorp/packer/common" 12 "github.com/hashicorp/packer/helper/communicator" 13 "github.com/hashicorp/packer/helper/multistep" 14 "github.com/hashicorp/packer/packer" 15 "github.com/scaleway/scaleway-cli/pkg/api" 16 ) 17 18 // The unique id for the builder 19 const BuilderId = "hashicorp.scaleway" 20 21 type Builder struct { 22 config Config 23 runner multistep.Runner 24 } 25 26 func (b *Builder) Prepare(raws ...interface{}) ([]string, error) { 27 c, warnings, errs := NewConfig(raws...) 28 if errs != nil { 29 return warnings, errs 30 } 31 b.config = *c 32 33 return nil, nil 34 } 35 36 func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) { 37 client, err := api.NewScalewayAPI(b.config.Organization, b.config.Token, b.config.UserAgent, b.config.Region) 38 39 if err != nil { 40 ui.Error(err.Error()) 41 return nil, err 42 } 43 44 state := new(multistep.BasicStateBag) 45 state.Put("config", b.config) 46 state.Put("client", client) 47 state.Put("hook", hook) 48 state.Put("ui", ui) 49 50 steps := []multistep.Step{ 51 &stepCreateSSHKey{ 52 Debug: b.config.PackerDebug, 53 DebugKeyPath: fmt.Sprintf("scw_%s.pem", b.config.PackerBuildName), 54 PrivateKeyFile: b.config.Comm.SSHPrivateKey, 55 }, 56 new(stepCreateServer), 57 new(stepServerInfo), 58 &communicator.StepConnect{ 59 Config: &b.config.Comm, 60 Host: commHost, 61 SSHConfig: sshConfig, 62 }, 63 new(common.StepProvision), 64 new(stepShutdown), 65 new(stepSnapshot), 66 new(stepImage), 67 } 68 69 b.runner = common.NewRunnerWithPauseFn(steps, b.config.PackerConfig, ui, state) 70 b.runner.Run(state) 71 72 if rawErr, ok := state.GetOk("error"); ok { 73 return nil, rawErr.(error) 74 } 75 76 // If we were interrupted or cancelled, then just exit. 77 if _, ok := state.GetOk(multistep.StateCancelled); ok { 78 return nil, errors.New("Build was cancelled.") 79 } 80 81 if _, ok := state.GetOk(multistep.StateHalted); ok { 82 return nil, errors.New("Build was halted.") 83 } 84 85 if _, ok := state.GetOk("snapshot_name"); !ok { 86 return nil, errors.New("Cannot find snapshot_name in state.") 87 } 88 89 artifact := &Artifact{ 90 imageName: state.Get("image_name").(string), 91 imageID: state.Get("image_id").(string), 92 snapshotName: state.Get("snapshot_name").(string), 93 snapshotID: state.Get("snapshot_id").(string), 94 regionName: state.Get("region").(string), 95 client: client, 96 } 97 98 return artifact, nil 99 } 100 101 func (b *Builder) Cancel() { 102 if b.runner != nil { 103 log.Println("Cancelling the step runner...") 104 b.runner.Cancel() 105 } 106 }