fix more linting errors

Author: cgoetz-inovex

internal/cmd/image/describe/describe.go

@@ -138,7 +138,7 @@ func outputResult(p *print.Printer, outputFormat string, resp *iaas.Image) error
 			}
 		}
 
-		if resp.Labels != nil && len(resp.Labels) > 0 {
+		if len(resp.Labels) > 0 {
 			labels := []string{}
 			for key, value := range resp.Labels {
 				labels = append(labels, fmt.Sprintf("%s: %s", key, value))

internal/cmd/network-area/routingtable/describe/describe.go

@@ -122,7 +122,7 @@ func outputResult(p *print.Printer, outputFormat string, routingTable *iaas.Rout
 		table.AddRow("DEFAULT", utils.PtrString(routingTable.Default))
 		table.AddSeparator()
 
-		if routingTable.Labels != nil && len(routingTable.Labels) > 0 {
+		if len(routingTable.Labels) > 0 {
 			var labels []string
 			for key, value := range routingTable.Labels {
 				labels = append(labels, fmt.Sprintf("%s: %s", key, value))

internal/cmd/network-area/routingtable/route/describe/describe.go

@@ -133,7 +133,7 @@ func outputResult(p *print.Printer, outputFormat string, route *iaas.Route) erro
 		table.AddRow("NEXTHOP VALUE", routeDetails.HopValue)
 		table.AddSeparator()
 
-		if route.Labels != nil && len(route.Labels) > 0 {
+		if len(route.Labels) > 0 {
 			var labels []string
 			for key, value := range route.Labels {
 				labels = append(labels, fmt.Sprintf("%s: %s", key, value))

internal/cmd/network/create/create.go

@@ -207,7 +207,7 @@ func parseInput(p *print.Printer, cmd *cobra.Command, _ []string) (*inputModel,
 	}
 
 	// IPv4 nameserver can not be set alone. IPv4 Prefix || IPv4 Prefix length must be set as well
-	isIPv4NameserverSet := model.IPv4DnsNameServers != nil && len(model.IPv4DnsNameServers) > 0
+	isIPv4NameserverSet := len(model.IPv4DnsNameServers) > 0
 	isIPv4PrefixOrPrefixLengthSet := model.IPv4Prefix != nil || model.IPv4PrefixLength != nil
 	if isIPv4NameserverSet && !isIPv4PrefixOrPrefixLengthSet {
 		return nil, &cliErr.OneOfFlagsIsMissing{
@@ -225,7 +225,7 @@ func parseInput(p *print.Printer, cmd *cobra.Command, _ []string) (*inputModel,
 	}
 
 	// IPv6 nameserver can not be set alone. IPv6 Prefix || IPv6 Prefix length must be set as well
-	isIPv6NameserverSet := model.IPv6DnsNameServers != nil && len(model.IPv6DnsNameServers) > 0
+	isIPv6NameserverSet := len(model.IPv6DnsNameServers) > 0
 	isIPv6PrefixOrPrefixLengthSet := model.IPv6Prefix != nil || model.IPv6PrefixLength != nil
 	if isIPv6NameserverSet && !isIPv6PrefixOrPrefixLengthSet {
 		return nil, &cliErr.OneOfFlagsIsMissing{

internal/cmd/server/describe/describe.go

@@ -169,7 +169,7 @@ func outputResult(p *print.Printer, outputFormat string, server *iaas.Server) er
 		table.AddRow("MACHINE TYPE", server.MachineType)
 		table.AddSeparator()
 
-		if server.Labels != nil && len(server.Labels) > 0 {
+		if len(server.Labels) > 0 {
 			labels := []string{}
 			for key, value := range server.Labels {
 				labels = append(labels, fmt.Sprintf("%s: %s", key, value))
@@ -192,7 +192,7 @@ func outputResult(p *print.Printer, outputFormat string, server *iaas.Server) er
 
 		content = append(content, table)
 
-		if server.Nics != nil && len(server.Nics) > 0 {
+		if len(server.Nics) > 0 {
 			nicsTable := tables.NewTable()
 			nicsTable.SetTitle("Attached Network Interfaces")
 			nicsTable.SetHeader("ID", "NETWORK ID", "NETWORK NAME", "IPv4", "PUBLIC IP")