Define PyYAML==5.3.1 to avoid compat issue with 5.4.1 and cython_sources #60

	---
	name: CI
	on: [push]

	defaults:
	run:
	working-directory: 'graylog2.graylog-ansible-role'

	jobs:

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Check out the codebase.
	uses: actions/checkout@v2
	with:
	path: 'graylog2.graylog-ansible-role'

	- name: Set up Python 3.
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install test dependencies.
	run: pip3 install yamllint

	- name: Lint code.
	run: \|
	yamllint .

	molecule:
	name: Molecule Test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	distro:
	- centos7
	- centos8
	- ubuntu1804
	- ubuntu2004

	steps:
	- name: Check out the codebase.
	uses: actions/checkout@v2
	with:
	path: 'graylog2.graylog-ansible-role'

	- name: Set up Python 3.
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install test dependencies.
	run: pip3 install -r requirements.txt

	- name: Run Molecule tests.
	run: molecule test --scenario-name=ci
	env:
	PY_COLORS: '1'
	ANSIBLE_FORCE_COLOR: '1'
	GRAYLOG_VERSION: 4.2.1
	GRAYLOG_REVISION: 1
	MOLECULE_DISTRO: ${{ matrix.distro }}

	galaxy-install:
	name: Ansible Galaxy Install
	runs-on: ubuntu-latest
	steps:
	- name: Check out the codebase.
	uses: actions/checkout@v2
	with:
	path: 'graylog2.graylog-ansible-role'
	- name: Install Ansible.
	run: sudo apt-get install -y ansible
	- name: Install Role
	run: ansible-galaxy install graylog2.graylog

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