Sort variables before writing them to file

Author: alexrudd

generator.go

@@ -72,6 +72,7 @@ func main() {
 	f, err := os.Create(dstFile)
 	checkError(err)
 
+	t.sortVars()
 	err = varTemplate.Execute(f, t.Variables)
 	checkError(err)
 	log.Infof("Variables are generated to %q file", dstFile)

terraform.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"regexp"
+	"sort"
 	"strings"
 )
 
@@ -21,3 +22,7 @@ func (t *terraformVars) matchVarPref(row, varPrefix string) {
 		}
 	}
 }
+
+func (t *terraformVars) sortVars() {
+	sort.Sort(sort.StringSlice(t.Variables))
+}