dns test #3

	name: dns test

	on:
	workflow_dispatch:

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: ['macos-latest', 'ubuntu-latest']
	try: ['0', '1', '2']

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Configure Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install
	run: \|
	pip install -r requirements.txt

	- name: hostname
	run: \|
	echo -e "List the different names/addresses associsated with this host:\n\n"
	echo "hostname : $(hostname $opt 2>/dev/null \|\| echo 'error')"
	for opt in '-A' '-d' '-f'; do
	echo "hostname $opt: $(hostname $opt 2>/dev/null \|\| echo 'error')"
	done

	- name: nslookup
	shell: bash
	run: \|
	echo -e "Expecting dig to return $(hostname -f)\n\n"
	for host in "$(hostname)" "$(hostname -f)"; do
	echo "dig $host: $(dig "$host" 2>&1 \| grep -E '(Name:\|\\)' \|\| true)"
	done

	- name: python.socket
	shell: python
	run: \|
	print(
	'Linux: Expecting gethostname to return the same as "hostname"'
	' and the other interfaces to return the same as "hostname -f"'
	'\n\n'
	'Mac OS: Expect *ipv6.arpa addresses due to a longstanding'
	' Python bug\n\n'
	)
	import socket
	for expr in (
	'socket.gethostname()',
	'socket.getfqdn()',
	'socket.getfqdn(socket.gethostname())',
	'socket.getfqdn(socket.getfqdn())',
	'socket.gethostbyname_ex(socket.gethostname())[0]',
	'socket.gethostbyname_ex(socket.getfqdn())[0]'
	):
	try:
	result = eval(expr)
	except Exception as exc:
	result = str(exc)
	print(f'{expr:50}: {result}')

	- name: TCP Connection Test
	run: \|
	python dns_test.py

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