Fix wsl issue declarations should never be cuddled

See,
https://github.com/bombsimon/wsl/blob/master/doc/rules.md#declarations-should-never-be-cuddled

Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>

collector/collector.go

@@ -124,10 +124,13 @@ func (n FlexlmCollector) Collect(ch chan<- prometheus.Metric) {
 }
 
 func execute(name string, c Collector, ch chan<- prometheus.Metric) {
+	var (
+		success float64
+	)
+
 	begin := time.Now()
 	err := c.Update(ch)
 	duration := time.Since(begin)
-	var success float64
 
 	if err != nil {
 		log.Errorf("ERROR: %s collector failed after %fs: %s", name, duration.Seconds(), err)

collector/lmstat_feature_exp_linux.go

@@ -26,9 +26,12 @@ import (
 )
 
 func parseLmstatLicenseFeatureExpDate(outStr [][]string) map[int]*featureExp {
+	var (
+		expires float64
+		index   int
+	)
+
 	featuresExp := make(map[int]*featureExp)
-	var expires float64
-	var index int
 	// iterate over output lines
 	for _, line := range outStr {
 		lineJoined := strings.Join(line, "")
@@ -72,8 +75,10 @@ func parseLmstatLicenseFeatureExpDate(outStr [][]string) map[int]*featureExp {
 
 // getLmstatFeatureExpDate returns lmstat active and inactive licenses expiration date
 func (c *lmstatFeatureExpCollector) getLmstatFeatureExpDate(ch chan<- prometheus.Metric) error {
-	var outBytes []byte
-	var err error
+	var (
+		outBytes []byte
+		err      error
+	)
 
 	for _, licenses := range LicenseConfig.Licenses {
 		// Call lmstat with -i (lmstat -i does not give information from the server,
@@ -101,8 +106,11 @@ func (c *lmstatFeatureExpCollector) getLmstatFeatureExpDate(ch chan<- prometheus
 		}
 
 		// features
-		var featuresToExclude = []string{}
-		var featuresToInclude = []string{}
+		var (
+			featuresToExclude = []string{}
+			featuresToInclude = []string{}
+		)
+
 		if licenses.FeaturesToExclude != "" && licenses.FeaturesToInclude != "" {
 			log.Fatalln("%v: can not define `features_to_include` and "+
 				"`features_to_exclude` at the same time", licenses.Name)

collector/lmstat_linux.go

@@ -253,8 +253,10 @@ func (c *lmstatCollector) getLmstatInfo(ch chan<- prometheus.Metric) error {
 
 // getLmstatLicensesInfo returns lmstat active licenses information
 func (c *lmstatCollector) getLmstatLicensesInfo(ch chan<- prometheus.Metric) error {
-	var outBytes []byte
-	var err error
+	var (
+		outBytes []byte
+		err      error
+	)
 
 	for _, licenses := range LicenseConfig.Licenses {
 		// Call lmstat with -a (display everything)
@@ -304,8 +306,11 @@ func (c *lmstatCollector) getLmstatLicensesInfo(ch chan<- prometheus.Metric) err
 			}
 		}
 		// features
-		var featuresToExclude = []string{}
-		var featuresToInclude = []string{}
+		var (
+			featuresToExclude = []string{}
+			featuresToInclude = []string{}
+		)
+
 		if licenses.FeaturesToExclude != "" && licenses.FeaturesToInclude != "" {
 			log.Fatalln("%v: can not define `features_to_include` and "+
 				"`features_to_exclude` at the same time", licenses.Name)

collector/lmstat_linux_test.go

@@ -256,9 +256,11 @@ func TestParseLmstatLicenseInfoFeature(t *testing.T) {
 		t.Fatalf("Couldn't parse user \"cmfy211\" from feature31")
 	}
 
-	var found = false
-	var foundJohnDoe = false
-	var foundJaneDoe = false
+	var (
+		found        = false
+		foundJohnDoe = false
+		foundJaneDoe = false
+	)
 
 	for username, licused := range licUsersByFeature["feature100"] {
 		if username == "user13" {