fix linting and formatting

internal/actions/actions_suite_test.go

@@ -8,8 +8,8 @@ import (
 	"github.com/containrrr/watchtower/pkg/container"
 	"github.com/containrrr/watchtower/pkg/container/mocks"
 
-	cli "github.com/docker/docker/client"
 	"github.com/docker/docker/api/types"
+	cli "github.com/docker/docker/client"
 
 	. "github.com/containrrr/watchtower/internal/actions/mocks"
 	. "github.com/onsi/ginkgo"
@@ -35,7 +35,7 @@ var _ = Describe("the actions package", func() {
 		removeVolumes := false
 
 		client = CreateMockClient(
-			&TestData {},
+			&TestData{},
 			dockerClient,
 			pullImages,
 			removeVolumes,

internal/actions/mocks/client.go

@@ -20,8 +20,8 @@ type MockClient struct {
 // TestData is the data used to perform the test
 type TestData struct {
 	TriedToRemoveImageCount int
-	NameOfContainerToKeep string
-	Containers            []container.Container
+	NameOfContainerToKeep   string
+	Containers              []container.Container
 }
 
 // TriedToRemoveImage is a test helper function to check whether RemoveImageByID has been called
@@ -31,7 +31,7 @@ func (testdata *TestData) TriedToRemoveImage() bool {
 
 // CreateMockClient creates a mock watchtower Client for usage in tests
 func CreateMockClient(data *TestData, api cli.CommonAPIClient, pullImages bool, removeVolumes bool) MockClient {
-	return MockClient {
+	return MockClient{
 		data,
 		api,
 		pullImages,
@@ -56,6 +56,7 @@ func (client MockClient) StopContainer(c container.Container, d time.Duration) e
 func (client MockClient) StartContainer(c container.Container) (string, error) {
 	return "", nil
 }
+
 // RenameContainer is a mock method
 func (client MockClient) RenameContainer(c container.Container, s string) error {
 	return nil
@@ -81,4 +82,3 @@ func (client MockClient) ExecuteCommand(containerID string, command string, time
 func (client MockClient) IsContainerStale(c container.Container) (bool, error) {
 	return true, nil
 }
-

internal/actions/update_test.go

@@ -13,7 +13,6 @@ import (
 	. "github.com/onsi/gomega"
 )
 
-
 var _ = Describe("the update action", func() {
 	var dockerClient cli.CommonAPIClient
 	var client MockClient
@@ -25,7 +24,6 @@ var _ = Describe("the update action", func() {
 			cli.WithHTTPClient(server.Client()))
 	})
 
-
 	When("watchtower has been instructed to clean up", func() {
 		BeforeEach(func() {
 			pullImages := false
@@ -60,7 +58,7 @@ var _ = Describe("the update action", func() {
 		When("there are multiple containers using the same image", func() {
 			It("should only try to remove the image once", func() {
 
-				err := actions.Update(client, types.UpdateParams{ Cleanup: true })
+				err := actions.Update(client, types.UpdateParams{Cleanup: true})
 				Expect(err).NotTo(HaveOccurred())
 				Expect(client.TestData.TriedToRemoveImageCount).To(Equal(1))
 			})
@@ -76,7 +74,7 @@ var _ = Describe("the update action", func() {
 						time.Now(),
 					),
 				)
-				err := actions.Update(client, types.UpdateParams{ Cleanup: true })
+				err := actions.Update(client, types.UpdateParams{Cleanup: true})
 				Expect(err).NotTo(HaveOccurred())
 				Expect(client.TestData.TriedToRemoveImageCount).To(Equal(2))
 			})

pkg/api/api.go

@@ -1,15 +1,16 @@
 package api
 
 import (
-	"os"
-	"net/http"
 	"errors"
-	log "github.com/sirupsen/logrus"
 	"io"
+	"net/http"
+	"os"
+
+	log "github.com/sirupsen/logrus"
 )
 
 var (
-	lock         chan bool
+	lock chan bool
 )
 
 func init() {
@@ -17,14 +18,15 @@ func init() {
 	lock <- true
 }
 
+// SetupHTTPUpdates configures the endopint needed for triggering updates via http
 func SetupHTTPUpdates(apiToken string, updateFunction func()) error {
 	if apiToken == "" {
-		return errors.New("API token is empty or has not been set. Not starting API.")
+		return errors.New("api token is empty or has not been set. not starting api")
 	}
 
 	log.Println("Watchtower HTTP API started.")
 
-	http.HandleFunc("/v1/update", func(w http.ResponseWriter, r *http.Request){
+	http.HandleFunc("/v1/update", func(w http.ResponseWriter, r *http.Request) {
 		log.Info("Updates triggered by HTTP API request.")
 
 		_, err := io.Copy(os.Stdout, r.Body)
@@ -41,19 +43,19 @@ func SetupHTTPUpdates(apiToken string, updateFunction func()) error {
 		log.Println("Valid token found. Attempting to update.")
 
 		select {
-			case chanValue := <- lock:
-				defer func() { lock <- chanValue }()
-				updateFunction()
-			default:
-				log.Debug("Skipped. Another update already running.")
+		case chanValue := <-lock:
+			defer func() { lock <- chanValue }()
+			updateFunction()
+		default:
+			log.Debug("Skipped. Another update already running.")
 		}
 
-		
 	})
 
 	return nil
 }
 
+// WaitForHTTPUpdates starts the http server and listens for requests.
 func WaitForHTTPUpdates() error {
 	log.Fatal(http.ListenAndServe(":8080", nil))
 	os.Exit(0)

pkg/lifecycle/lifecycle.go

@@ -88,4 +88,3 @@ func ExecutePostUpdateCommand(client container.Client, newContainerID string) {
 		log.Error(err)
 	}
 }
-

pkg/notifications/notifier.go

@@ -29,7 +29,7 @@ func NewNotifier(c *cobra.Command) *Notifier {
 	// Parse types and create notifiers.
 	types, err := f.GetStringSlice("notifications")
 	if err != nil {
-		log.WithField("could not read notifications argument", log.Fields{ "Error": err }).Fatal()
+		log.WithField("could not read notifications argument", log.Fields{"Error": err}).Fatal()
 	}
 	for _, t := range types {
 		var tn ty.Notifier