def parse(self, data):
"""
Parse show interface details command output to get interface details
:param data: show interface details Command output
:return: list of dict contains all interfaces
"""
try:
result = []
generic_parser = GenericTextParser()
physical = generic_parser.parse(data, self.physical_regex_rule)[0]
physical.update({
'connected':
"TRUE" if physical['operationalStatus'] == "Up" else "FALSE"
})
physical.update({
'operationalStatus':
"UP" if physical['operationalStatus'] == "Up" else "DOWN"
})
physical.update({
'administrativeStatus':
"UP"
if physical['administrativeStatus'] == "Enabled" else "DOWN"
})
physical.update({
'hardwareAddress':
"" if physical['hardwareAddress'].isalpha() else
physical['hardwareAddress']
})
if not physical['name']:
return result
parser = LineBasedBlockParser('Logical interface')
blocks = parser.parse(data)
for block in blocks:
logical = generic_parser.parse(block,
self.logical_interface_regex)[0]
if logical['mask'] == "Unspecified":
continue
if logical['ipAddress'] and logical['mask']:
physical.update({
"ipAddress":
"{}/{}".format(logical['ipAddress'],
logical['mask'].split('/')[1])
})
else:
physical.update({"ipAddress": ""})
physical.update(
{"members": "{}".format(self.get_members(block))})
physical.update({
"name":
"{}".format(logical['name']
if logical['name'] else physical['name'])
})
if physical['mtu'] == 'Unlimited':
physical.update({"mtu": "0"})
result.append(physical.copy())
except Exception as e:
py_logger.error("{}\n{}".format(e, traceback.format_exc()))
raise e
return result
def parse_command_output(self, cmd, command_result):
blocks = []
table = [] # Each row is dictionary
if BLOCK_PARSER_KEY in cmd:
if ARGUMENTS_KEY in cmd[BLOCK_PARSER_KEY]:
block_parser = import_utilities.load_block_parser(
cmd[BLOCK_PARSER_KEY][NAME_KEY])(
**cmd[BLOCK_PARSER_KEY][ARGUMENTS_KEY])
else:
block_parser = import_utilities.load_class(
cmd[BLOCK_PARSER_KEY][NAME_KEY])()
blocks = import_utilities.load_class_method(
block_parser, 'parse')(command_result)
else:
blocks.append(command_result)
for block in blocks:
try:
if not block: continue
result_dict = self.process_block(block, cmd)
if len(result_dict) > 0:
table += result_dict
except IndexError as e:
py_logger.info(
"Couldn't parse block {}\nfor command {}".format(
block, cmd[COMMAND_KEY]))
py_logger.error(e)
table = self.filter_columns(cmd, table)
return table
def execute_commands(self):
ssh_connect_handler = None
try:
ssh_connect_handler = SSHConnectHandler(ip=self.credentials.ip_or_fqdn,
username=self.credentials.username,
password=self.credentials.password,
device_type=self.credentials.device_type,
port=self.credentials.port)
command_output_dict = {}
for workload in self.workloads:
command_id = workload[TABLE_ID_KEY]
if REUSE_TABLES_KEY in workload:
table = self.process_tables(workload)
elif REUSE_COMMAND_KEY in workload:
command_result = command_output_dict[workload[REUSE_COMMAND_KEY]]
workload[COMMAND_KEY] = workload[REUSE_COMMAND_KEY]
py_logger.info('Command %s Result %s' % (workload[REUSE_COMMAND_KEY], command_result))
table = self.parse_command_output(workload, command_result)
else:
command_result = ssh_connect_handler.execute_command(workload[COMMAND_KEY])
command_output_dict[workload[COMMAND_KEY]] = command_result
py_logger.info('Command %s Result %s' % (workload[COMMAND_KEY], command_result))
table = self.parse_command_output(workload, command_result)
if 'switch' == command_id:
table[0]['ipAddress/fqdn'] = self.credentials.ip_or_fqdn
table[0]['name'] = "{}-{}".format(table[0]['name'], self.credentials.ip_or_fqdn)
self.result_map[command_id] = table
except Exception as e:
py_logger.error("Error occurred while executing command : {}".format(e))
raise e
finally:
ssh_connect_handler.close_connection()
def parse(self, data):
"""
Parse show route instance detail command output
:param data: show route detail command output
:return: List of dict of routes
"""
try:
result = []
parser = LineBasedBlockParser("(.*) \(.* ent")
blocks = parser.parse(data)
generic_parser = GenericTextParser()
vrf_name = generic_parser.parse(blocks[0], self.vrf_rule)[0]
if "inet6.0" in vrf_name['name']:
return result
vrf = vrf_name['name']
for v_idx, block in enumerate(blocks[1:]):
parser = LineBasedBlockParser("\*?(\w+)\s+Preference:.*")
line_blocks = parser.parse(block)
network_name = generic_parser.parse(line_blocks[0],
self.network_name_rule)[0]
for idx, line_block in enumerate(line_blocks[1:]):
routes = generic_parser.parse(line_block,
self.route_rules)[0]
if routes['next_hop_type'] == "Receive": continue
routes.pop('next_hop_type')
if not routes['interfaceName'] and not routes[
'network_interface']:
continue
routes.update({"vrf": vrf})
routes.update(
{"network": "{}".format(network_name['name'])})
routes.update({
"name":
"{}_{}_{}".format(network_name['name'], v_idx, idx)
})
routes.update({
"interfaceName":
routes['interfaceName'] if routes['interfaceName'] else
routes['network_interface']
})
routes.pop('network_interface')
routes.update({
"routeType":
"{}".format(routes['routeType']
if routes['nextHop'] else "DIRECT")
})
routes.update({
"nextHop":
"{}".format(routes['nextHop']
if routes['nextHop'] else "DIRECT")
})
result.append(routes.copy())
except Exception as e:
py_logger.error("{}\n{}".format(e, traceback.format_exc()))
raise e
return result
def parse(self, data):
"""
Parse show ip route vrf command output
:param data: show ip route vrf command output
:return: List of dict of routes
"""
try:
result = []
parser = LineBasedBlockParser(
".*(\\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\\b/.*)\[.*")
blocks = parser.parse(data)
generic_parser = GenericTextParser()
vrf = "default"
for block in blocks[1:]:
line_blocks = block.splitlines()
route_network = generic_parser.parse(line_blocks[0],
self.rules)[0]
route_type = route_network['routeType'].rstrip()
for idx, line_block in enumerate(line_blocks):
line = line_block.split(',')
interface_name = line[-1].lstrip()
routes = generic_parser.parse(line[0], self.route_rules)[0]
routes.update({
"network":
"{}".format(route_network['network'].rstrip())
})
routes.update({
"name":
"{}_{}".format(route_network['network'].rstrip(), idx)
})
routes.update({"vrf": vrf})
routes.update({"interfaceName": interface_name})
# if 'loopback' in routes['interfaceName']:
# continue
# if not routes['interfaceName']:
# continue
routes.update({
"routeType":
"{}".format(
self.route_types[route_type] if self.route_types.
has_key(route_type) else "DYNAMIC")
})
routes.update({
"nextHop":
"{}".format(routes['nextHop']
if route_type != 'C' else "DIRECT")
})
result.append(routes.copy())
except Exception as e:
py_logger.error("{}\n{}".format(e, traceback.format_exc()))
raise e
return result
def zipdir(self):
if not os.path.exists(self.path):
os.makedirs(self.path)
if not os.path.exists(self.path):
py_logger.error("Couldn't create directory {}. Please check permissions.".format(self.path))
return
self.copy_project_base()
zipfile_path, zipfile_name = os.path.split(os.path.abspath(self.filename))
zip_file_path = '{}/{}'.format(zipfile_path, zipfile_name)
zipf = zipfile.ZipFile(zip_file_path, 'w', zipfile.ZIP_DEFLATED)
for root, dirs, files in os.walk(self.path):
for f in files:
zipf.write(os.path.join(root, f))
zipf.close()
def join_tables(self):
if not self.table_joiners:
return
try:
for joiner_config in self.table_joiners:
joiner_class = import_utilities.load_class(joiner_config[NAME_KEY])()
source_table = self.result_map[joiner_config[SOURCE_TABLE_KEY]]
destination_table = self.result_map[joiner_config[DESTINATION_TABLE_KEY]]
source_column = joiner_config[SOURCE_COLUMN_KEY]
destination_column = joiner_config[DESTINATION_COLUMN_KEY]
table = import_utilities.load_class_method(joiner_class, 'join_tables')(source_table, destination_table,
source_column, destination_column)
self.result_map[joiner_config[JOINED_TABLE_ID_KEY]] = table
except KeyError as e:
py_logger.error("Failed to join tables: KeyError : {}".format(e))
raise e
def filter_columns(cmd, table):
if SELECT_COLUMNS_KEY not in cmd:
return table
final_table = []
keys = cmd[SELECT_COLUMNS_KEY]
for row in table:
new_row = {}
for k in keys:
try:
value = row[k]
except KeyError:
py_logger.error("Did not find key {}".format(k))
continue
new_row[keys[k]] = value
final_table.append(new_row)
return final_table
def write(path, filename, table):
if table is None:
py_logger.warn(
'{} Table cannot be None. Will not write to csv.'.format(
filename))
return
if type(table) != list:
py_logger.warn(
'Table is a list of dictionaries. Will not write to csv.')
return
if len(table) == 0:
py_logger.warn(
'{} Table cannot be empty. Will not write to csv.'.format(
filename))
return
csv.register_dialect('dialect',
quoting=csv.QUOTE_ALL,
skipinitialspace=True)
if not os.path.exists(path):
os.makedirs(path)
if not os.path.exists(path):
py_logger.error(
"Couldn't create directory {}. Please check permissions.".
format(path))
return
with open(path + '/' + filename + CsvWriter.CSV_EXTENSION,
'w') as write_file:
writer = csv.writer(write_file, dialect='dialect')
if len(table) > 0:
row = table[0]
if type(row) != dict:
py_logger.warn(
'Table is a list of dictionaries. Not a valid row.')
return
headers = row.keys()
writer.writerow(headers)
for d in table:
if type(d) != dict:
py_logger.warn('Not a valid row. Will skip row.')
continue
row = []
for h in headers:
row.append(d[h] if h in d else '')
writer.writerow(row)
