Merge pull request #10 from UpCloudLtd/fix/template-prefix

fix: template prefix usage

Author: maxfrei

builder/upcloud/config.go

@@ -7,9 +7,9 @@ import (
 	"os"
 	"time"
 
+	internal "github.com/UpCloudLtd/packer-plugin-upcloud/internal"
 	"github.com/UpCloudLtd/upcloud-go-api/upcloud"
 	"github.com/UpCloudLtd/upcloud-go-api/upcloud/request"
-	internal "github.com/UpCloudLtd/packer-plugin-upcloud/internal"
 	"github.com/hashicorp/packer-plugin-sdk/common"
 	"github.com/hashicorp/packer-plugin-sdk/communicator"
 	"github.com/hashicorp/packer-plugin-sdk/packer"
@@ -146,6 +146,12 @@ func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
 		}
 	}
 
+	if len(c.TemplatePrefix) > 40 {
+		errs = packer.MultiErrorAppend(
+			errs, errors.New("'template_prefix' must be 0-40 characters"),
+		)
+	}
+
 	if errs != nil && len(errs.Errors) > 0 {
 		return nil, errs
 	}

builder/upcloud/step_create_server.go

@@ -37,12 +37,11 @@ func (s *StepCreateServer) Run(_ context.Context, state multistep.StateBag) mult
 	ui.Say(fmt.Sprintf("Creating server based on storage %q...", storage.Title))
 
 	response, err := driver.CreateServer(&internal.ServerOpts{
-		StorageUuid:    storage.UUID,
-		StorageSize:    s.Config.StorageSize,
-		Zone:           s.Config.Zone,
-		TemplatePrefix: s.Config.TemplatePrefix,
-		SshPublicKey:   sshKeyPublic,
-		Networking:     s.Config.Networking,
+		StorageUuid:  storage.UUID,
+		StorageSize:  s.Config.StorageSize,
+		Zone:         s.Config.Zone,
+		SshPublicKey: sshKeyPublic,
+		Networking:   s.Config.Networking,
 	})
 	if err != nil {
 		return internal.StepHaltWithError(state, err)

builder/upcloud/step_create_template.go

@@ -4,8 +4,8 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/UpCloudLtd/upcloud-go-api/upcloud"
 	internal "github.com/UpCloudLtd/packer-plugin-upcloud/internal"
+	"github.com/UpCloudLtd/upcloud-go-api/upcloud"
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	"github.com/hashicorp/packer-plugin-sdk/packer"
 	"github.com/hashicorp/packer-plugin-sdk/packerbuilderdata"
@@ -37,7 +37,7 @@ func (s *StepCreateTemplate) Run(_ context.Context, state multistep.StateBag) mu
 
 	for _, zone := range s.Config.CloneZones {
 		ui.Say(fmt.Sprintf("Cloning storage %q to zone %q...", storage.UUID, zone))
-		title := fmt.Sprintf("packer-%s-%s-cloned-disk1", s.Config.TemplatePrefix, internal.GetNowString())
+		title := fmt.Sprintf("packer-%s-cloned-disk1", internal.GetNowString())
 		clonedStorage, err := driver.CloneStorage(storage.UUID, zone, title)
 		if err != nil {
 			return internal.StepHaltWithError(state, err)

internal/driver.go

@@ -12,7 +12,8 @@ import (
 )
 
 const (
-	DefaultPlan = "1xCPU-2GB"
+	DefaultPlan     = "1xCPU-2GB"
+	DefaultHostname = "custom"
 )
 
 type (
@@ -40,12 +41,11 @@ type (
 	}
 
 	ServerOpts struct {
-		StorageUuid    string
-		StorageSize    int
-		Zone           string
-		TemplatePrefix string
-		SshPublicKey   string
-		Networking     []request.CreateServerInterface
+		StorageUuid  string
+		StorageSize  int
+		Zone         string
+		SshPublicKey string
+		Networking   []request.CreateServerInterface
 	}
 )
 
@@ -269,13 +269,12 @@ func (d *driver) GetServerStorage(serverUuid string) (*upcloud.ServerStorageDevi
 }
 
 func (d *driver) prepareCreateRequest(opts *ServerOpts) *request.CreateServerRequest {
-	title := fmt.Sprintf("packer-%s-%s", opts.TemplatePrefix, GetNowString())
-	hostname := opts.TemplatePrefix
-	titleDisk := fmt.Sprintf("%s-disk1", title)
+	title := fmt.Sprintf("packer-%s-%s", DefaultHostname, GetNowString())
+	titleDisk := fmt.Sprintf("%s-disk1", DefaultHostname)
 
 	request := request.CreateServerRequest{
 		Title:            title,
-		Hostname:         hostname,
+		Hostname:         DefaultHostname,
 		Zone:             opts.Zone,
 		PasswordDelivery: request.PasswordDeliveryNone,
 		Plan:             DefaultPlan,