adding linting to CI and linting scripts for local development

Author: danielhelfand

.github/workflows/golangci-lint.yml

@@ -0,0 +1,18 @@
+name: golangci-lint
+
+on:
+  push:
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.34
+          args: -v

.golangci.yml

@@ -0,0 +1,12 @@
+linters:
+  enable:
+    - goheader
+    - golint
+  disable-all: true
+# all available settings of specific linters
+linters-settings:
+  goheader:
+    template-path: code-header-template.txt
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0

code-header-template.txt

@@ -0,0 +1,2 @@
+Copyright 2020 VMware, Inc.
+SPDX-License-Identifier: Apache-2.0

hack/build-and-lint.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -e -x -u
+
+./hack/build.sh
+./hack/linter.sh

hack/linter.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+set -e
+
+golangci-lint cache clean
+golangci-lint run