refactor: return an int32 for scale count

plugins/common/common.go

@@ -390,8 +390,8 @@ func ParseReportArgs(pluginName string, arguments []string) ([]string, string, e
 }
 
 // ParseScaleOutput allows golang plugins to properly parse the output of ps-current-scale
-func ParseScaleOutput(b []byte) (map[string]int, error) {
-	scale := make(map[string]int)
+func ParseScaleOutput(b []byte) (map[string]int32, error) {
+	scale := make(map[string]int32)
 
 	for _, line := range strings.Split(string(b), "\n") {
 		s := strings.SplitN(line, "=", 2)
@@ -399,11 +399,11 @@ func ParseScaleOutput(b []byte) (map[string]int, error) {
 			return scale, fmt.Errorf("invalid scale output stored by dokku: %v", line)
 		}
 		processType := s[0]
-		count, err := strconv.Atoi(s[1])
+		count, err := strconv.ParseInt(s[1], 10, 32)
 		if err != nil {
 			return scale, err
 		}
-		scale[processType] = count
+		scale[processType] = int32(count)
 	}
 
 	return scale, nil

plugins/network/network.go

@@ -64,10 +64,10 @@ func BuildConfig(appName string) error {
 	common.LogInfo1(fmt.Sprintf("Ensuring network configuration is in sync for %s", appName))
 
 	for processType, procCount := range scale {
-		containerIndex := 0
+		containerIndex := int32(0)
 		for containerIndex < procCount {
 			containerIndex++
-			containerIndexString := strconv.Itoa(containerIndex)
+			containerIndexString := strconv.FormatInt(int64(containerIndex), 10)
 			containerIDFile := fmt.Sprintf("%v/CONTAINER.%v.%v", appRoot, processType, containerIndex)
 
 			containerID := common.ReadFirstLine(containerIDFile)