Linting, removing non-used variables and removed travis-ci

.travis.yml

-language: go
-
-go:
-    - 1.4
-
-install:
-    - go get github.com/digitalocean/rsyslog_exporter
-
-script:
-    - make test

dyn_stat_test.go

@@ -79,7 +79,7 @@ func TestDynStatToPoints(t *testing.T) {
 	}
 
 	seen := map[string]bool{}
-	for name, _ := range wants {
+	for name := range wants {
 		seen[name] = false
 	}
 

dynafile_cache_test.go

@@ -104,7 +104,7 @@ func TestDynafileCacheToPoints(t *testing.T) {
 	}
 
 	seen := map[string]bool{}
-	for name, _ := range wants {
+	for name := range wants {
 		seen[name] = false
 	}
 

go.mod

-module github.com/soundcloud/rsyslog_exporter
+module github.com/aleroyer/rsyslog_exporter
 
 go 1.13
 

point.go

 package main
 
 import (
-	"errors"
 	"fmt"
 
 	"github.com/prometheus/client_golang/prometheus"
@@ -14,11 +13,6 @@ const (
 	gauge
 )
 
-var (
-	ErrIncompatiblePointType = errors.New("incompatible point type")
-	ErrUnknownPointType      = errors.New("unknown point type")
-)
-
 type point struct {
 	Name        string
 	Description string

pointstore.go

@@ -7,7 +7,7 @@ import (
 )
 
 var (
-	ErrPointNotFound = errors.New("point does not exist")
+	errPointNotFound = errors.New("point does not exist")
 )
 
 type pointStore struct {
@@ -25,7 +25,7 @@ func newPointStore() *pointStore {
 func (ps *pointStore) keys() []string {
 	ps.lock.Lock()
 	keys := make([]string, 0)
-	for k, _ := range ps.pointMap {
+	for k := range ps.pointMap {
 		keys = append(keys, k)
 	}
 	sort.Strings(keys)
@@ -48,5 +48,5 @@ func (ps *pointStore) get(name string) (*point, error) {
 		return p, nil
 	}
 	ps.lock.Unlock()
-	return &point{}, ErrPointNotFound
+	return &point{}, errPointNotFound
 }

pointstore_test.go

@@ -86,7 +86,7 @@ func TestPointStore(t *testing.T) {
 	}
 
 	_, err = ps.get("no point")
-	if err != ErrPointNotFound {
+	if err != errPointNotFound {
 		t.Error("getting non existent point should raise error")
 	}
 }