refactor: fix linting errors

builder/hcloud/builder.go

@@ -12,8 +12,8 @@ import (
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	"github.com/hashicorp/packer-plugin-sdk/multistep/commonsteps"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
-	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 
+	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 	"github.com/hetznercloud/packer-plugin-hcloud/version"
 )
 
@@ -41,7 +41,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 	opts := []hcloud.ClientOption{
 		hcloud.WithToken(b.config.HCloudToken),
 		hcloud.WithEndpoint(b.config.Endpoint),
-		hcloud.WithPollInterval(b.config.PollInterval),
+		hcloud.WithBackoffFunc(hcloud.ConstantBackoff(b.config.PollInterval)),
 		hcloud.WithApplication("hcloud-packer", version.PluginVersion.String()),
 	}
 	b.hcloudClient = hcloud.NewClient(opts...)

builder/hcloud/config.go

@@ -18,8 +18,9 @@ import (
 	"github.com/hashicorp/packer-plugin-sdk/template/config"
 	"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
 	"github.com/hashicorp/packer-plugin-sdk/uuid"
-	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 	"github.com/mitchellh/mapstructure"
+
+	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 )
 
 type Config struct {

builder/hcloud/step_create_server.go

@@ -6,12 +6,13 @@ package hcloud
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"sort"
 	"strings"
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 )
 
@@ -30,7 +31,7 @@ func (s *stepCreateServer) Run(ctx context.Context, state multistep.StateBag) mu
 
 	userData := c.UserData
 	if c.UserDataFile != "" {
-		contents, err := ioutil.ReadFile(c.UserDataFile)
+		contents, err := os.ReadFile(c.UserDataFile)
 		if err != nil {
 			state.Put("error", fmt.Errorf("Problem reading user data file: %s", err))
 			return multistep.ActionHalt
@@ -85,7 +86,7 @@ func (s *stepCreateServer) Run(ctx context.Context, state multistep.StateBag) mu
 	}
 
 	if c.UpgradeServerType != "" {
-		serverCreateOpts.StartAfterCreate = hcloud.Bool(false)
+		serverCreateOpts.StartAfterCreate = hcloud.Ptr(false)
 	}
 
 	serverCreateResult, _, err := client.Server.Create(ctx, serverCreateOpts)
@@ -199,7 +200,7 @@ func (s *stepCreateServer) Cleanup(state multistep.StateBag) {
 
 	// Destroy the server we just created
 	ui.Say("Destroying server...")
-	_, err := client.Server.Delete(context.TODO(), &hcloud.Server{ID: s.serverId})
+	_, _, err := client.Server.DeleteWithResult(context.TODO(), &hcloud.Server{ID: s.serverId})
 	if err != nil {
 		ui.Error(fmt.Sprintf(
 			"Error destroying server. Please destroy it manually: %s", err))

builder/hcloud/step_create_server_test.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 	"github.com/hetznercloud/hcloud-go/v2/hcloud/schema"
 )
@@ -142,7 +143,6 @@ func setupStepCreateServer(
 	checker Checker,
 ) (*multistep.BasicStateBag, func()) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-
 		buf, err := io.ReadAll(r.Body)
 		if err != nil {
 			errors <- fmt.Errorf("fake server: reading request: %s", err)

builder/hcloud/step_create_snapshot.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 )
 
@@ -28,7 +29,7 @@ func (s *stepCreateSnapshot) Run(ctx context.Context, state multistep.StateBag)
 	result, _, err := client.Server.CreateImage(ctx, &hcloud.Server{ID: serverID}, &hcloud.ServerCreateImageOpts{
 		Type:        hcloud.ImageTypeSnapshot,
 		Labels:      c.SnapshotLabels,
-		Description: hcloud.String(c.SnapshotName),
+		Description: hcloud.Ptr(c.SnapshotName),
 	})
 	if err != nil {
 		err := fmt.Errorf("Error creating snapshot: %s", err)

builder/hcloud/step_create_snapshot_test.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 	"github.com/hetznercloud/hcloud-go/v2/hcloud/schema"
 )
@@ -127,29 +128,31 @@ func setupStepCreateSnapshot(
 			Status:   "success",
 		}
 
-		if r.Method == http.MethodPost && r.URL.Path == "/servers/42/actions/create_image" {
+		switch {
+		case r.Method == http.MethodPost && r.URL.Path == "/servers/42/actions/create_image":
 			if failCause == FailCreateImage {
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
 			w.Header().Set("Content-Type", "application/json")
 			w.WriteHeader(http.StatusCreated)
 			response = schema.ServerActionCreateImageResponse{Action: action}
-		} else if r.Method == http.MethodGet && r.URL.Path == "/actions/13" {
+		case r.Method == http.MethodGet && r.URL.Path == "/actions/13":
 			if failCause == FailWatchProgress {
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
 			w.Header().Set("Content-Type", "application/json")
 			w.WriteHeader(http.StatusOK)
 			response = schema.ActionGetResponse{Action: action}
-		} else if r.Method == http.MethodDelete && r.URL.Path == "/images/33" {
+		case r.Method == http.MethodDelete && r.URL.Path == "/images/33":
 			if failCause == FailDeleteImage {
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
 			w.WriteHeader(http.StatusNoContent)
 			return
+		default:
 		}
 
 		if response != nil {

builder/hcloud/step_create_sshkey.go

@@ -11,6 +11,7 @@ import (
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
 	"github.com/hashicorp/packer-plugin-sdk/uuid"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 )
 

builder/hcloud/step_pre_validate.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 )
 

builder/hcloud/step_pre_validate_test.go

@@ -15,6 +15,7 @@ import (
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 	"github.com/hetznercloud/hcloud-go/v2/hcloud/schema"
 )

builder/hcloud/step_shutdown_server.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
+
 	"github.com/hetznercloud/hcloud-go/v2/hcloud"
 )
 
@@ -43,7 +44,6 @@ func (s *stepShutdownServer) Run(ctx context.Context, state multistep.StateBag)
 				ui.Error(err.Error())
 				return multistep.ActionHalt
 			}
-
 		}
 	}
 }

main.go

@@ -7,10 +7,10 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/hashicorp/packer-plugin-sdk/plugin"
+
 	"github.com/hetznercloud/packer-plugin-hcloud/builder/hcloud"
 	"github.com/hetznercloud/packer-plugin-hcloud/version"
-
-	"github.com/hashicorp/packer-plugin-sdk/plugin"
 )
 
 func main() {