Use github actions

Author: UnderGreen

.github/workflows/centos.yml

@@ -0,0 +1,35 @@
+name: Test ansible role on CentOS
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  python2:
+    runs-on: ubuntu-latest
+    container: python:3.6-alpine
+    strategy:
+      matrix:
+        molecule_distro: 
+          - centos7
+        mongodb_version:
+          - '4.2'
+          - '4.0'
+          - '3.6'
+    env:
+      MONGODB_VERSION: ${{ matrix.mongodb_version }}
+      MOLECULE_DISTRO: ${{ matrix.molecule_distro }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Prepare tests
+        run:
+          - pip install -r requirements.txt
+      - name: Run tests
+        run:
+          - molecule test
+          - AUTH_STATE=enabled molecule test