Files
wlan-lanforge-scripts/py-json/LANforge/lfcli_base.py
2020-10-22 16:00:06 -07:00

256 lines
11 KiB
Python

#!env /usr/bin/python
import traceback
# Extend this class to use common set of debug and request features for your script
from pprint import pprint
import LANforge.LFUtils
from LANforge.LFUtils import *
import argparse
class LFCliBase:
# do not use `super(LFCLiBase,self).__init__(self, host, port, _debug)
# that is py2 era syntax and will force self into the host variable, making you
# very confused.
def __init__(self, _lfjson_host, _lfjson_port,
_debug=False,
_halt_on_error=False,
_exit_on_error=False,
_exit_on_fail=False):
self.fail_pref = "FAILED: "
self.pass_pref = "PASSED: "
self.lfclient_host = _lfjson_host
self.lfclient_port = _lfjson_port
self.debug = _debug
self.lfclient_url = "http://%s:%s" % (self.lfclient_host, self.lfclient_port)
self.test_results = []
self.halt_on_error = _halt_on_error
self.exit_on_error = _exit_on_error
self.exit_on_fail = _exit_on_fail
# toggle using preexec_cli, preexec_method; the preexec_X parameters are useful
# when you desire the lfclient to check for existance of entities to run commands on,
# like when developing; you might toggle this with use_preexec = _debug
# Otherwise, preexec methods use more processing time because they add an extra CLI call
# into the queue, and inspect it -- typically nc_show_port
self.suppress_related_commands = None
def clear_test_results(self):
self.test_results.clear()
def json_post(self, _req_url, _data, debug_=False, suppress_related_commands_=None, response_json_list_=None):
"""
send json to the LANforge client
:param _req_url: requested url
:param _data: json data to send
:param debug_: turn on debugging output
:param suppress_related_commands_: when False, override self.preexec; when True use
:param response_json_list_: array for json results in the response object, (alternative return method)
:return: http response object
"""
json_response = None
try:
lf_r = LFRequest.LFRequest(self.lfclient_url, _req_url, debug_=self.debug, die_on_error_=self.exit_on_error)
if suppress_related_commands_ is None:
if 'suppress_preexec_cli' in _data:
del _data['suppress_preexec_cli']
if 'suppress_preexec_method' in _data:
del _data['suppress_preexec_method']
if 'suppress_postexec_cli' in _data:
del _data['suppress_postexec_cli']
if 'suppress_postexec_method' in _data:
del _data['suppress_postexec_method']
elif suppress_related_commands_ == False:
_data['suppress_preexec_cli'] = False
_data['suppress_preexec_method'] = False
_data['suppress_postexec_cli'] = False
_data['suppress_postexec_method'] = False
elif self.suppress_related_commands or suppress_related_commands_:
_data['suppress_preexec_cli'] = False
_data['suppress_preexec_method'] = False
_data['suppress_postexec_cli'] = True
_data['suppress_postexec_method'] = True
lf_r.addPostData(_data)
if debug_ or self.debug:
LANforge.LFUtils.debug_printer.pprint(_data)
json_response = lf_r.jsonPost(show_error=self.debug,
debug=(self.debug or debug_),
response_json_list_=response_json_list_,
die_on_error_=self.exit_on_error)
if debug_ and (response_json_list_ is not None):
pprint.pprint(response_json_list_)
except Exception as x:
if self.debug or self.halt_on_error or self.exit_on_error:
print("jsonPost posted to %s" % _req_url)
pprint.pprint(_data)
print("Exception %s:" % x)
traceback.print_exception(Exception, x, x.__traceback__, chain=True)
if self.halt_on_error or self.exit_on_error:
exit(1)
return json_response
def json_get(self, _req_url, debug_=False):
if self.debug or debug_:
print("URL: "+_req_url)
json_response = None
try:
lf_r = LFRequest.LFRequest(self.lfclient_url, _req_url, debug_=(self.debug or debug_), die_on_error_=self.exit_on_error)
json_response = lf_r.getAsJson(debug_=self.debug, die_on_error_=self.halt_on_error)
#debug_printer.pprint(json_response)
if (json_response is None) and (self.debug or debug_):
print("LFCliBase.json_get: no entity/response, probabily status 404")
return None
except ValueError as ve:
if self.debug or self.halt_on_error or self.exit_on_error:
print("jsonGet asked for " + _req_url)
print("Exception %s:" % ve)
traceback.print_exception(ValueError, ve, ve.__traceback__, chain=True)
if self.halt_on_error or self.exit_on_error:
sys.exit(1)
return json_response
@staticmethod
def response_list_to_map(json_list, key, debug_=False):
reverse_map = {}
if (json_list is None) or (len(json_list) < 1):
if debug_:
print("response_list_to_map: no json_list provided")
raise ValueError("response_list_to_map: no json_list provided")
return reverse_map
json_interfaces = json_list
if key in json_list:
json_interfaces = json_list[key]
for record in json_interfaces:
if len(record.keys()) < 1:
continue
record_keys = record.keys()
k2 = ""
# we expect one key in record keys, but we can't expect [0] to be populated
json_entry = None
for k in record_keys:
k2 = k
json_entry = record[k]
# skip uninitialized port records
if k2.find("Unknown") >= 0:
continue
port_json = record[k2]
reverse_map[k2] = json_entry
return reverse_map
def error(self, exception):
# print("lfcli_base error: %s" % exception)
pprint.pprint(exception)
traceback.print_exception(Exception, exception, exception.__traceback__, chain=True)
if self.halt_on_error:
print("halting on error")
sys.exit(1)
# else:
# print("continuing...")
def check_connect(self):
if self.debug:
print("Checking for LANforge GUI connection: %s" % self.lfclient_url)
response = self.json_get("/", debug_=self.debug)
duration = 0
while (response is None) and (duration < 300):
print("LANforge GUI connection not found sleeping 5 seconds, tried: %s" % self.lfclient_url)
duration += 2
time.sleep(2)
response = self.json_get("", debug_=self.debug)
if duration >= 300:
print("Could not connect to LANforge GUI")
sys.exit(1)
def get_result_list(self):
return self.test_results
def get_failed_result_list(self):
fail_list = []
for result in self.test_results:
if not result.startswith("PASS"):
fail_list.append(result)
return fail_list
def get_fail_message(self):
fail_messages = self.get_failed_result_list()
return "\n".join(fail_messages)
def get_all_message(self):
return "\n".join(self.test_results)
def passes(self):
pass_counter = 0
fail_counter = 0
for result in self.test_results:
if result.startswith("PASS"):
pass_counter += 1
else:
fail_counter += 1
if (fail_counter == 0) and (pass_counter > 0):
return True
return False
# use this inside the class to log a failure result
def _fail(self, message, print_=False):
self.test_results.append(self.fail_pref + message)
if print_ or self.exit_on_fail:
print(self.fail_pref + message)
if self.exit_on_fail:
sys.exit(1)
# use this inside the class to log a pass result
def _pass(self, message, print_=False):
self.test_results.append(self.pass_pref + message)
if print_:
print(self.pass_pref + message)
@staticmethod
def create_bare_argparse(prog=None, formatter_class=None, epilog=None, description=None):
if (prog is not None) or (formatter_class is not None) or (epilog is not None) or (description is not None):
parser = argparse.ArgumentParser(prog=prog,
formatter_class=formatter_class,
allow_abbrev=True,
epilog=epilog,
description=description)
else:
parser = argparse.ArgumentParser()
parser.add_argument('--mgr', help='hostname for where LANforge GUI is running', default='localhost')
parser.add_argument('--mgr_port', help='port LANforge GUI HTTP service is running on', default=8080)
parser.add_argument('--debug', help='Enable debugging', default=False, action="store_true")
return parser
@staticmethod
def create_basic_argparse(prog=None, formatter_class=None, epilog=None, description=None):
if (prog is not None) or (formatter_class is not None) or (epilog is not None) or (description is not None):
parser = argparse.ArgumentParser(prog=prog, formatter_class=formatter_class, epilog=epilog,
description=description)
else:
parser = argparse.ArgumentParser()
parser.add_argument('--mgr', help='hostname for where LANforge GUI is running', default='localhost')
parser.add_argument('--mgr_port', help='port LANforge GUI HTTP service is running on', default=8080)
parser.add_argument('-u', '--upstream_port',
help='non-station port that generates traffic: <resource>.<port>, e.g: 1.eth1',
default='1.eth1')
parser.add_argument('--radio', help='radio EID, e.g: 1.wiphy2', default='wiphy2')
parser.add_argument('--security', help='WiFi Security protocol: <open | wep | wpa | wpa2 | wpa3 >', default='wpa2')
parser.add_argument('--ssid', help='SSID for stations to associate to', default='jedway-wpa2-160')
parser.add_argument('--passwd', help='WiFi passphrase', default='jedway-wpa2-160')
parser.add_argument('--num_stations', help='Number of stations to create', default=2)
parser.add_argument('--debug', help='Enable debugging', default=False, action="store_true")
return parser
# ~class