def lookup_port(host):
"""
Get the http port from config.properties http-server.http.port property
if available.
If the property is missing return default port 8080.
If the file is missing or cannot parse the port number,
throw ConfigurationError
:param host:
:return:
"""
config_file = constants.REMOTE_CONF_DIR + '/config.properties'
with settings(hide('stdout', 'warnings', 'aborts')):
try:
port = execute(run, 'grep http-server.http.port= ' + config_file,
warn_only=True, host=host)[host]
except:
raise ConfigurationError('Configuration file %s does not exist on '
'host %s' % (config_file, host))
if isinstance(port, Exception):
raise ConfigurationError('Configuration file %s does not exist on '
'host %s' % (config_file, host))
else:
if str(port) is '':
_LOGGER.info('Could not find property http-server.http.port.'
'Defaulting to 8080.')
return 8080
try:
port = port.split('=', 1)[1]
port = int(port)
topology.validate_port(str(port))
_LOGGER.info('Looked up port ' + str(port) + ' on host '
+ host)
return port
except ValueError:
raise ConfigurationError('Unable to coerce http-server.http'
'.port \'%s\' to an int. Failed to '
'connect to %s.' % (port, host))
except ConfigurationError as e:
raise ConfigurationError(e.message +
' for property '
'http-server.http.port on host '
+ host + '.')
def test_valid_port(self):
port = "1234"
self.assertEqual(topology.validate_port(port), port)