update linting

kubectl-pg/cmd/addDb.go

@@ -25,11 +25,12 @@ package cmd
 import (
 	"encoding/json"
 	"fmt"
+	"log"
+
 	"github.com/spf13/cobra"
 	PostgresqlLister "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
-	"log"
 )
 
 // addDbCmd represents the addDb command
@@ -69,7 +70,7 @@ func addDb(dbName string, dbOwner string, clusterName string) {
 
 	var dbOwnerExists bool
 	dbUsers := postgresql.Spec.Users
-	for key, _ := range dbUsers {
+	for key := range dbUsers {
 		if key == dbOwner {
 			dbOwnerExists = true
 		}

kubectl-pg/cmd/create.go

@@ -24,12 +24,13 @@ package cmd
 
 import (
 	"fmt"
+	"io/ioutil"
+	"log"
+
 	"github.com/spf13/cobra"
 	v1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
 	PostgresqlLister "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1"
-	"io/ioutil"
 	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/scheme"
-	"log"
 )
 
 // createCmd kubectl pg create.
@@ -50,6 +51,9 @@ kubectl pg create -f cluster-manifest.yaml
 func create(fileName string) {
 	config := getConfig()
 	postgresConfig, err := PostgresqlLister.NewForConfig(config)
+	if err != nil {
+		log.Fatal(err)
+	}
 	ymlFile, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		log.Fatal(err)

kubectl-pg/cmd/extVolume.go

@@ -25,20 +25,21 @@ package cmd
 import (
 	"encoding/json"
 	"fmt"
+	"log"
+	"strconv"
+
 	"github.com/spf13/cobra"
 	PostgresqlLister "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
-	"log"
-	"strconv"
 )
 
 // extVolumeCmd represents the extVolume command
 var extVolumeCmd = &cobra.Command{
 	Use:   "ext-volume",
 	Short: "Increases the volume size of a given Postgres cluster",
-	Long:  `Extends the volume of the postgres cluster. But volume cannot be shrinked.`,
+	Long:  `Extends the volume of the postgres cluster. But volume cannot be shrunk.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		clusterName, _ := cmd.Flags().GetString("cluster")
 		if len(args) > 0 {
@@ -98,7 +99,7 @@ func extVolume(increasedVolumeSize string, clusterName string) {
 	} else if newSize.Value() == oldSize.Value() {
 		fmt.Println("volume already has the desired size.")
 	} else {
-		fmt.Printf("volume %s size cannot be shrinked.\n", postgresql.Spec.Volume.Size)
+		fmt.Printf("volume %s size cannot be shrunk.\n", postgresql.Spec.Volume.Size)
 	}
 }
 

kubectl-pg/cmd/scale.go

@@ -25,6 +25,9 @@ package cmd
 import (
 	"encoding/json"
 	"fmt"
+	"log"
+	"strconv"
+
 	"github.com/spf13/cobra"
 	PostgresqlLister "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1"
 	v1 "k8s.io/api/apps/v1"
@@ -32,8 +35,6 @@ import (
 	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
-	"log"
-	"strconv"
 )
 
 // scaleCmd represents the scale command
@@ -44,6 +45,9 @@ var scaleCmd = &cobra.Command{
 Scaling to 0 leads to down time.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		clusterName, err := cmd.Flags().GetString("cluster")
+		if err != nil {
+			log.Fatal(err)
+		}
 		namespace, err := cmd.Flags().GetString("namespace")
 		if err != nil {
 			log.Fatal(err)

kubectl-pg/cmd/update.go

@@ -24,13 +24,14 @@ package cmd
 
 import (
 	"fmt"
+	"io/ioutil"
+	"log"
+
 	"github.com/spf13/cobra"
 	v1 "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
 	PostgresqlLister "github.com/zalando/postgres-operator/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1"
-	"io/ioutil"
 	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/scheme"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"log"
 )
 
 // updateCmd represents kubectl pg update
@@ -55,6 +56,9 @@ kubectl pg update -f cluster-manifest.yaml
 func updatePgResources(fileName string) {
 	config := getConfig()
 	postgresConfig, err := PostgresqlLister.NewForConfig(config)
+	if err != nil {
+		log.Fatal(err)
+	}
 	ymlFile, err := ioutil.ReadFile(fileName)
 	if err != nil {
 		log.Fatal(err)