Fix linting errors (#198)

.github/workflows/golangci-lint.yml

@@ -23,9 +23,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
-
+        uses: actions/checkout@v3
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18.x
       - name: Lint
         uses: golangci/golangci-lint-action@v2
         with:
-          version: v1.42.0
+          version: v1.45.2

.github/workflows/test.yml

@@ -19,8 +19,8 @@ jobs:
       - name: Upgrade golang
         run: |
           cd /tmp
-          wget https://dl.google.com/go/go1.16.8.linux-amd64.tar.gz
-          tar -zxvf go1.16.8.linux-amd64.tar.gz
+          wget https://dl.google.com/go/go1.17.7.linux-amd64.tar.gz
+          tar -zxvf go1.17.7.linux-amd64.tar.gz
           sudo rm -fr /usr/local/go
           sudo mv /tmp/go /usr/local/go
           cd -

discovery/xds/kuma_test.go

@@ -31,7 +31,7 @@ import (
 )
 
 var (
-	kumaConf KumaSDConfig = sdConf
+	kumaConf = sdConf
 
 	testKumaMadsV1Resources = []*MonitoringAssignment{
 		{

template/template.go

@@ -175,7 +175,7 @@ func NewTemplateExpander(
 				return html_template.HTML(text)
 			},
 			"match":     regexp.MatchString,
-			"title":     strings.Title,
+			"title":     strings.Title, //nolint:staticcheck
 			"toUpper":   strings.ToUpper,
 			"toLower":   strings.ToLower,
 			"graphLink": strutil.GraphLinkForExpression,