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Stéphane Diemer
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Criticality: High
Tests that all webserver services (vhosts) are available and reachable.
import imp
try:
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
except ImportError:
requests.packages.urllib3.disable_warnings()
'''
This script checks for all enabled vhosts in Nginx conf that:
* The response status code is 200, 401 or 403.
* The host is resolved as 127.0.0.1.
* The Wowza response is correct on /streaming/ (only for mediaserver vhosts).
'''
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def test_vhost(ports_info=None, domains=None, resolution_ignored=None, celerity_conf=''):
tested = 0
errors = 0
warnings = 0
for port, https in (ports_info or [(80, False)]):
for domain in (domains or ['localhost']):
tested += 1
url = '%s://%s:%s' % ('https' if https else 'http', domain, port)
sys.stdout.write('Testing url "%s":\n' % url)
if name.startswith('mediaserver'):
if not celerity_conf or not re.search(r'http[s]{0,1}://%s' % domain, celerity_conf):
sys.stdout.write('\033[93mWarning:\033[0m Url "%s" not found in celerity conf; it should also be set in the MediaWorker.\n' % url)
warnings += 1
# test domain IP
ip_error = None
ip_warning = None
try:
ip = socket.gethostbyname(domain)
except Exception as e:
ip_error = 'domain is not resolved: %s' % e
else:
if ip != '127.0.0.1':
ip_warning = 'domain is resolved with %s instead of 127.0.0.1' % ip
sys.stdout.write(' IP: ')
if ip_error:
if resolution_ignored and domain in resolution_ignored:
sys.stdout.write('\033[94mIgnored (%s)\033[0m' % ip_error)
ip_error = None
else:
sys.stdout.write('\033[91mKO (%s)\033[0m' % ip_error)
elif ip_warning:
if resolution_ignored and domain in resolution_ignored:
sys.stdout.write('\033[94mIgnored (%s)\033[0m' % ip_warning)
ip_warning = None
else:
sys.stdout.write('\033[93mWarning (%s)\033[0m' % ip_warning)
sys.stdout.write('\033[92mOK (127.0.0.1)\033[0m')
# test url
sys.stdout.write(', status: ')
req_error = False
try:
req = requests.get(url, verify=False, proxies={'http': '', 'https': ''}, timeout=30)
req_time = int(1000 * req.elapsed.total_seconds())
except Exception as e:
code = str(e)
req_time = 0
code = req.status_code
if domain != 'localhost' and code not in (200, 401, 403) or domain == 'localhost' and code not in (200, 401, 403, 404):
sys.stdout.write('\033[91mKO (%s, %sms)\033[0m' % (code, req_time))
req_error = True
if req_time > 10000:
sys.stdout.write('\033[93mOK (%s, %sms)\033[0m' % (code, req_time))
sys.stdout.write('\033[92mOK (%s, %sms)\033[0m' % (code, req_time))
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if 'mediaserver' in name and wowza_dir:
# test /streaming url
sys.stdout.write(', streaming: ')
try:
req = requests.get(url + '/streaming/', verify=False, proxies={'http': '', 'https': ''}, timeout=30)
req_time = int(1000 * req.elapsed.total_seconds())
except Exception as e:
code = str(e)
req_time = 0
else:
code = req.status_code
if code != 200:
sys.stdout.write('\033[91mKO (%s, %sms)\033[0m' % (code, req_time))
req_error = True
elif req_time > 10000:
sys.stdout.write('\033[93mOK (%s, %sms)\033[0m' % (code, req_time))
else:
sys.stdout.write('\033[92mOK (%s, %sms)\033[0m' % (code, req_time))
sys.stdout.write('.\n')
if ip_warning:
warnings += 1
if ip_error or req_error:
errors += 1
return tested, warnings, errors
if __name__ == '__main__':
# check that Nginx dir exists
nginx_dir = '/etc/nginx/sites-enabled'
if not os.path.exists(nginx_dir):
print('Nginx dir does not exists ("%s").' % nginx_dir)
sys.exit(2)
# check that Wowza is installed
wowza_dir = '/usr/local/WowzaStreamingEngine'
if not os.path.exists(wowza_dir):
print('Info: Wowza is not installed ("%s" does not exist).' % wowza_dir)
wowza_dir = None
else:
print('Info: Wowza is installed, /streaming/ will be tested on mediaserver vhosts.')
# get envsetup conf
conf = dict()
os.chdir(os.path.dirname(__file__))
if os.path.isfile('../utils.py'):
es_utils = imp.load_source('es_utils', '../utils.py')
conf = es_utils.load_conf()
# get celerity conf
celerity_conf = ''
if os.path.exists('/etc/celerity/config.py'):
with open('/etc/celerity/config.py', 'r') as fo:
celerity_conf = fo.read()
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# get enabled vhosts
resolution_ignored = conf.get('TESTER_VHOST_RESOLUTION_IGNORED', '').split(',')
tested = 0
errors = 0
warnings = 0
names = os.listdir(nginx_dir)
names.sort()
for name in names:
path = os.path.join(nginx_dir, name)
level = 0
domains = list()
ports_info = list()
print('Parsing vhost "%s"...' % path)
with open(path, 'r') as fo:
for line in fo:
line = line.strip()
if not line or line.startswith('#'):
continue
words = re.sub(r'\s+', ' ', line).strip('; ').split(' ')
if '{' in words or '}' in words:
level += words.count('{')
level -= words.count('}')
if level == 0:
# test
if ports_info or domains:
t, w, e = test_vhost(ports_info, domains, resolution_ignored, celerity_conf)
tested += t
warnings += w
errors += e
domains = list()
ports_info = list()
elif level == 1:
# server section are level 1
if words[0] == 'listen':
https = 'ssl' in words
for port in words:
try:
port = int(port.split(':')[-1])
except ValueError:
pass
else:
ports_info.append((port, https))
elif words[0] == 'server_name':
domains = words[1:]
if errors:
print('%s url(s) did not correctly respond.' % errors)
sys.exit(1)
elif warnings:
sys.exit(3)
if not tested:
print('No url found in Nginx sites-enabled dir.')
sys.exit(1)