Setup github actions for linting and go tests

.github/workflows/test.yml

@@ -0,0 +1,25 @@
+name: Lint and test
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2.3.0
+        with:
+          args: --timeout=5m
+
+  go-test:
+    name: go tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '1.15.5'
+      - name: go-test
+        run: make test

.golangci.yml

@@ -0,0 +1,10 @@
+linters:
+  enable:
+    - gofmt
+    - goimports
+    - unconvert
+    - gocyclo
+    - nakedret
+    - scopelint
+    - whitespace
+    - nolintlint

controllers/suite_test.go

@@ -7,7 +7,6 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 	"k8s.io/client-go/kubernetes/scheme"
-	"k8s.io/client-go/rest"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/envtest"
 	"sigs.k8s.io/controller-runtime/pkg/envtest/printer"
@@ -21,7 +20,7 @@ import (
 // These tests use Ginkgo (BDD-style Go testing framework). Refer to
 // http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
 
-var cfg *rest.Config
+// var cfg *rest.Config
 var k8sClient client.Client
 var testEnv *envtest.Environment