Fix for minor Go lint issues

Issues addressed:
* package comment should not have leading space
* exported var UiConfig should have comment or be unexported
* if block ends with a return statement, so drop this else and outdent its block
* var UiConfig should be UIConfig

Change-Id: I04b380445d7c97a816f75a9af006d2461b256356

cmd/airshipui/main.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package main
 
 import (

examples/authentication/main.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package main
 
 import (
@@ -216,9 +217,8 @@ func randBytes(length int) ([]byte, error) {
 	_, err := rand.Read(b)
 	if err != nil {
 		return nil, err
-	} else {
-		return b, nil
 	}
+	return b, nil
 }
 
 // this creates a random ciphertext for demo purposes

examples/octant/main.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package main
 
 import (

internal/commands/root.go

@@ -61,7 +61,7 @@ func launch(cmd *cobra.Command, args []string) {
 	// Read AirshipUI config file
 	if err := configs.GetConfigFromFile(); err == nil {
 		// launch any plugins marked as autoStart: true in airshipui.json
-		for _, p := range configs.UiConfig.Plugins {
+		for _, p := range configs.UIConfig.Plugins {
 			if p.Executable.AutoStart {
 				waitgrp.Add(1)
 				go RunBinaryWithOptions(

internal/commands/version.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package commands
 
 import (
@@ -38,6 +39,7 @@ func newVersionCmd() *cobra.Command {
 	return versionCmd
 }
 
+// Version returns application version
 func Version() string {
 	return version
 }

internal/configs/configs.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package configs
 
 import (
@@ -22,8 +23,9 @@ import (
 	"opendev.org/airship/airshipctl/pkg/config"
 )
 
+// variables related to UI config
 var (
-	UiConfig Config
+	UIConfig Config
 )
 
 // Config basic structure to hold configuration params for Airship UI
@@ -33,12 +35,14 @@ type Config struct {
 	Clusters   []Cluster  `json:"clusters,omitempty"`
 }
 
+// AuthMethod structure to hold authentication parameters
 type AuthMethod struct {
 	Type  string   `json:"type,omitempty"`
 	Value []string `json:"values,omitempty"`
 	URL   string   `json:"url,omitempty"`
 }
 
+// Plugin structure to hold plugin specific parameters
 type Plugin struct {
 	Name      string `json:"name,omitempty"`
 	Dashboard struct {
@@ -86,6 +90,7 @@ type WsComponentType string
 // WsSubComponentType is used to set the specific subcomponent types allowable for WsRequests
 type WsSubComponentType string
 
+// constants related to specific request/component/subcomponent types for WsRequests
 const (
 	AirshipCTL WsRequestType = "airshipctl"
 	Electron   WsRequestType = "electron"
@@ -135,6 +140,7 @@ type WsMessage struct {
 	ClusterOptions  config.ClusterOptions  `json:"clusterOptions,omitempty"`
 }
 
+// GetConfigFromFile reads configuration file and returns error on any error reading the file
 // TODO: add watcher to the json file to reload conf on change
 func GetConfigFromFile() error {
 	var fileName string
@@ -158,11 +164,7 @@ func GetConfigFromFile() error {
 		return err
 	}
 
-	err = json.Unmarshal(byteValue, &UiConfig)
-
-	if err != nil {
-		return err
-	}
+	err = json.Unmarshal(byteValue, &UIConfig)
 
 	return err
 }

internal/integrations/ctl/airshipctl.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package ctl
 
 import (

internal/integrations/ctl/baremetal.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package ctl
 
 import (

internal/integrations/ctl/config.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package ctl
 
 import (

internal/integrations/ctl/document.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package ctl
 
 import (
@@ -20,7 +21,7 @@ import (
 	"opendev.org/airship/airshipui/internal/configs"
 )
 
-// HandleBaremetalRequest will flop between requests so we don't have to have them all mapped as function calls
+// HandleDocumentRequest will flop between requests so we don't have to have them all mapped as function calls
 func HandleDocumentRequest(request configs.WsMessage) configs.WsMessage {
 	response := configs.WsMessage{
 		Type:         configs.AirshipCTL,

internal/webservice/server.go

@@ -11,6 +11,7 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 */
+
 package webservice
 
 import (
@@ -186,7 +187,7 @@ func WebServer() {
 
 func clientInit(configs.WsMessage) configs.WsMessage {
 	// if no auth method is supplied start with minimal functionality
-	if len(configs.UiConfig.AuthMethod.URL) == 0 {
+	if len(configs.UIConfig.AuthMethod.URL) == 0 {
 		isAuthenticated = true
 	}
 
@@ -194,8 +195,8 @@ func clientInit(configs.WsMessage) configs.WsMessage {
 		Type:            configs.Electron,
 		Component:       configs.Initialize,
 		IsAuthenticated: isAuthenticated,
-		Dashboards:      configs.UiConfig.Clusters,
-		Plugins:         configs.UiConfig.Plugins,
-		Authentication:  configs.UiConfig.AuthMethod,
+		Dashboards:      configs.UIConfig.Clusters,
+		Plugins:         configs.UIConfig.Plugins,
+		Authentication:  configs.UIConfig.AuthMethod,
 	}
 }