setup github actions

.github/workflows/lint.yml

@@ -0,0 +1,17 @@
+name: golangci-lint
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.29

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: test
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.14.x, 1.15.x]
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Test
+      run: go test -v -race ./...

.golangci.yml

@@ -0,0 +1,22 @@
+run:
+  timeout: 5m
+
+linters:
+  enable:
+    - deadcode
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unused
+    - varcheck
+    - gofmt
+  disable-all: true
+
+linters-settings:
+  gofmt:
+    # simplify code: gofmt with `-s` option, true by default
+    simplify: false

wgsd_test.go

@@ -1,7 +1,6 @@
 package wgsd
 
 import (
-	"bytes"
 	"context"
 	"encoding/base32"
 	"fmt"
@@ -26,14 +25,6 @@ func (m *mockClient) Device(d string) (*wgtypes.Device, error) {
 	}, nil
 }
 
-func base32EqualsPubKey(t *testing.T, b32 string, pubKey wgtypes.Key) bool {
-	got, err := base32.StdEncoding.DecodeString(strings.ToUpper(b32))
-	if err != nil {
-		t.Fatalf("error decoding base32 string: %v", err)
-	}
-	return bytes.Equal(pubKey[:], got)
-}
-
 func TestWGSD(t *testing.T) {
 	key1 := [32]byte{}
 	key1[0] = 1
@@ -65,7 +56,7 @@ func TestWGSD(t *testing.T) {
 	}
 
 	testCases := []test.Case{
-		test.Case{
+		{
 			Qname: "_wireguard._udp.example.com.",
 			Qtype: dns.TypePTR,
 			Rcode: dns.RcodeSuccess,
@@ -74,7 +65,7 @@ func TestWGSD(t *testing.T) {
 				test.PTR(fmt.Sprintf("_wireguard._udp.example.com. 0 IN PTR %s._wireguard._udp.example.com.", peer2b32)),
 			},
 		},
-		test.Case{
+		{
 			Qname: fmt.Sprintf("%s._wireguard._udp.example.com.", peer1b32),
 			Qtype: dns.TypeSRV,
 			Rcode: dns.RcodeSuccess,
@@ -85,7 +76,7 @@ func TestWGSD(t *testing.T) {
 				test.A(fmt.Sprintf("%s.example.com. 0 IN A %s", peer1b32, peer1.Endpoint.IP.String())),
 			},
 		},
-		test.Case{
+		{
 			Qname: fmt.Sprintf("%s._wireguard._udp.example.com.", peer2b32),
 			Qtype: dns.TypeSRV,
 			Rcode: dns.RcodeSuccess,
@@ -96,7 +87,7 @@ func TestWGSD(t *testing.T) {
 				test.AAAA(fmt.Sprintf("%s.example.com. 0 IN AAAA %s", peer2b32, peer2.Endpoint.IP.String())),
 			},
 		},
-		test.Case{
+		{
 			Qname: fmt.Sprintf("%s.example.com.", peer1b32),
 			Qtype: dns.TypeA,
 			Rcode: dns.RcodeSuccess,
@@ -104,7 +95,7 @@ func TestWGSD(t *testing.T) {
 				test.A(fmt.Sprintf("%s.example.com. 0 IN A %s", peer1b32, peer1.Endpoint.IP.String())),
 			},
 		},
-		test.Case{
+		{
 			Qname: fmt.Sprintf("%s.example.com.", peer2b32),
 			Qtype: dns.TypeAAAA,
 			Rcode: dns.RcodeSuccess,
@@ -112,7 +103,7 @@ func TestWGSD(t *testing.T) {
 				test.AAAA(fmt.Sprintf("%s.example.com. 0 IN AAAA %s", peer2b32, peer2.Endpoint.IP.String())),
 			},
 		},
-		test.Case{
+		{
 			Qname: "nxdomain.example.com.",
 			Qtype: dns.TypeAAAA,
 			Rcode: dns.RcodeNameError,
@@ -120,7 +111,7 @@ func TestWGSD(t *testing.T) {
 				test.SOA(soa("example.com.").String()),
 			},
 		},
-		test.Case{
+		{
 			Qname: "servfail.notexample.com.",
 			Qtype: dns.TypeAAAA,
 			Rcode: dns.RcodeServerFailure,