.github/workflows: reimplement github actions CI

* Remove golang 1.13 and 1.14, add golang 1.16
* gometalinter has been deprecated, use golangci-lint instead

Signed-off-by: Julio Montes <julio.montes@intel.com>

.github/workflows/main.yml

@@ -4,37 +4,20 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.13.x, 1.14.x, 1.15.x]
+        go-version: [1.15.x, 1.16.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
-    env:
-      GO111MODULE: off
     steps:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go-version }}
-    - name: Setup GOPATH
-      run: |
-        gopath_org=$(go env GOPATH)/src/github.com/kata-containers/
-        mkdir -p ${gopath_org}
-        ln -s ${PWD} ${gopath_org}
       - name: Checkout code
         uses: actions/checkout@v2
-    - name: Install gometalinter
-      run: |
-        go get github.com/alecthomas/gometalinter
-        $(go env GOPATH)/bin/gometalinter --install
-    - name: Running gometalinter
-      run: |
-        gopath_repo=$(go env GOPATH)/src/github.com/kata-containers/govmm
-        pushd ${gopath_repo}
-        $(go env GOPATH)/bin/gometalinter --tests --vendor --disable-all --enable=misspell --enable=vet --enable=ineffassign --enable=gofmt --enable=gocyclo --cyclo-over=15 --enable=golint --enable=errcheck --enable=deadcode --enable=staticcheck -enable=gas ./...
-    - name: Send coverage
-      env:
-        COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: |
-        gopath_repo=$(go env GOPATH)/src/github.com/kata-containers/govmm
-        pushd ${gopath_repo}
-        go get github.com/mattn/goveralls
-        $(go env GOPATH)/bin/goveralls -v -service=github
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: latest
+          args: -c .golangci.yml -v
+      - name: go test
+        run: go test ./...

.golangci.yml

@@ -0,0 +1,35 @@
+# Copyright (c) 2021 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+run:
+  concurrency: 4
+  deadline: 600s
+  skip-dirs:
+    - vendor
+# Ignore auto-generated protobuf code.
+  skip-files:
+    - ".*\\.pb\\.go$"
+
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    - gocyclo
+    - gofmt
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unconvert
+    - unused
+    - varcheck
+
+linters-settings:
+  gocyclo:
+    min_complexity: 15
+  unused:
+    check-exported: true