builder/digitalocean: add snapshotTimeout option

builder/digitalocean/builder.go

@@ -95,7 +95,9 @@ func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (pack
 		},
 		new(stepShutdown),
 		new(stepPowerOff),
-		new(stepSnapshot),
+		&stepSnapshot{
+			snapshotTimeout: b.config.SnapshotTimeout,
+		},
 	}
 
 	// Run the steps

builder/digitalocean/config.go

@@ -33,6 +33,7 @@ type Config struct {
 	SnapshotName      string        `mapstructure:"snapshot_name"`
 	SnapshotRegions   []string      `mapstructure:"snapshot_regions"`
 	StateTimeout      time.Duration `mapstructure:"state_timeout"`
+	SnapshotTimeout   time.Duration `mapstructure:"snapshot_timeout"`
 	DropletName       string        `mapstructure:"droplet_name"`
 	UserData          string        `mapstructure:"user_data"`
 	UserDataFile      string        `mapstructure:"user_data_file"`
@@ -88,6 +89,11 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 		c.StateTimeout = 6 * time.Minute
 	}
 
+	if c.SnapshotTimeout == 0 {
+		// Default to 60 minutes timeout, waiting for snapshot action to finish
+		c.SnapshotTimeout = 60 * time.Minute
+	}
+
 	var errs *packer.MultiError
 	if es := c.Comm.Prepare(&c.ctx); len(es) > 0 {
 		errs = packer.MultiErrorAppend(errs, es...)

builder/digitalocean/step_snapshot.go

@@ -12,7 +12,9 @@ import (
 	"github.com/hashicorp/packer/packer"
 )
 
-type stepSnapshot struct{}
+type stepSnapshot struct {
+	snapshotTimeout time.Duration
+}
 
 func (s *stepSnapshot) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
 	client := state.Get("client").(*godo.Client)
@@ -31,9 +33,11 @@ func (s *stepSnapshot) Run(ctx context.Context, state multistep.StateBag) multis
 	}
 
 	// With the pending state over, verify that we're in the active state
+	// because action can take a long time and may depend on the size of the final snapshot,
+	// the timeout is parameterized
 	ui.Say("Waiting for snapshot to complete...")
 	if err := waitForActionState(godo.ActionCompleted, dropletId, action.ID,
-		client, 60*time.Minute); err != nil {
+		client, s.snapshotTimeout); err != nil {
 		// If we get an error the first time, actually report it
 		err := fmt.Errorf("Error waiting for snapshot: %s", err)
 		state.Put("error", err)