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renan-lopes-rodriguesrenan-lopes-rodrigues
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Merge pull request #454 from globocom/develop
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‎networkapi/plugins/Netconf/plugin.py‎

Lines changed: 135 additions & 37 deletions
Original file line numberDiff line numberDiff line change
@@ -3,12 +3,21 @@
33
from networkapi.equipamento.models import EquipamentoAcesso
44
from networkapi.plugins.base import BasePlugin
55
import logging
6+
from networkapi.system.facade import get_value
7+
import paramiko
8+
import requests, json, os
9+
from django.db.utils import DatabaseError
10+
from networkapi.system.exceptions import VariableDoesNotExistException
11+
612

713

814
log = logging.getLogger(__name__)
915

1016
class GenericNetconf(BasePlugin):
11-
session_manager: manager = None
17+
session_manager = None
18+
alternative_variable_base_path_list = ['path_to_tftpboot']
19+
alternative_static_base_path_list = ['/mnt/scripts/tftpboot/']
20+
1221

1322
def __try_lock(self):
1423
"""
@@ -29,6 +38,8 @@ def connect(self):
2938

3039
log.info("Connection to equipment method started")
3140

41+
42+
3243
### If equipment access was not provided, then search the access ###
3344
if self.equipment_access is None:
3445
try:
@@ -42,23 +53,40 @@ def connect(self):
4253
raise exceptions.InvalidEquipmentAccessException()
4354
### End block ###
4455

45-
### Getting device access data ###
46-
device = self.equipment_access.fqdn
47-
username = self.equipment_access.user
48-
password = self.equipment_access.password
49-
### End block ###
50-
51-
### Runs connection ###
56+
#Bypassing connection
5257
try:
53-
log.info("Starting connection to '%s' using NCClient..." % device)
54-
self.session_manager = manager.connect(
55-
host = device,
56-
port = self.connection_port,
57-
username = username,
58-
password = password,
59-
hostkey_verify = False
60-
)
61-
log.info('Connection succesfully...')
58+
pass
59+
60+
# ### Getting device access data ###
61+
# device = self.equipment_access.fqdn
62+
# username = self.equipment_access.user
63+
# password = self.equipment_access.password
64+
# ### End block ###
65+
66+
# ### Runs connection ###
67+
# try:
68+
# log.info("Starting connection to '%s' using NCClient..." % device)
69+
# # transport = paramiko.Transport((device, 22))
70+
# # transport.get_security_options().kex = (
71+
# # 'curve25519-sha256',
72+
# # 'diffie-hellman-group14-sha1',
73+
# # 'diffie-hellman-group-exchange-sha256',
74+
# # )
75+
# # transport.get_security_options().ciphers = (
76+
# # 'aes128-ctr', 'aes256-ctr'
77+
# # )
78+
79+
# self.session_manager = manager.connect(
80+
# host = device,
81+
# port = self.connect_port,
82+
# username = username,
83+
# password = password,
84+
# # hostkey_verify = False,
85+
# # allow_agent=False,
86+
# # look_for_keys=False,
87+
88+
# )
89+
# log.info('Connection succesfully...')
6290

6391
### Exception handler
6492
except IOError, e:
@@ -93,6 +121,61 @@ def ensure_privilege_level(self, privilege_level=None):
93121
"""
94122
return True
95123

124+
def check_configuration_has_content(self, command, file_path):
125+
pass
126+
127+
def check_configuration_file_exists(self, file_path):
128+
129+
"""
130+
This function try to find and build (if necessary) the configuration file path. The priorities are:
131+
(1) build the full path from system variable base and relative file path ('file_path'); or
132+
(2) build the full path from static variable base and relative file path ('file_path'); or
133+
(3) return the relative path it self ('file_path')
134+
135+
:param str file_path: Relative path, examples:
136+
'networkapi/plugins/Juniper/JUNOS/samples/sample_command.txt' or
137+
'networkapi/generated_config/interface/int-d_24823_config_ROR9BX3ATQG93TALJAMO2G'
138+
139+
:return: Return a valid configuration file path string. Ex.:
140+
'networkapi/plugins/Juniper/JUNOS/samples/sample_command.txt' or
141+
'/mnt/scripts/tftpboot/networkapi/generated_config/interface/int-d_24823_config_ROR9BX3ATQG93TALJAMO2G'
142+
"""
143+
144+
log.info("Checking configuration file exist: {}".format(file_path))
145+
146+
# Check in system variables
147+
for variable in self.alternative_variable_base_path_list:
148+
try:
149+
base_path = get_value(variable)
150+
if base_path != "":
151+
result_path = base_path + file_path
152+
if os.path.isfile(result_path):
153+
log.info("Configuration file {} was found by system variable {}!".format(result_path, variable))
154+
return result_path
155+
except (DatabaseError, VariableDoesNotExistException):
156+
# DatabaseError means that variable table do not exist
157+
pass
158+
except Exception as e:
159+
log.warning("Unknown error while calling networkapi.system.facade.get_value({}): {} {} ".format(
160+
variable, e.__class__, e))
161+
162+
# Check possible static variables
163+
for static_path in self.alternative_static_base_path_list:
164+
result_path = static_path + file_path
165+
if os.path.isfile(result_path):
166+
log.info("Configuration file {} was found by static variable {}!".format(result_path, static_path))
167+
return result_path
168+
169+
# Check if relative path is valid (for dev tests)
170+
if os.path.isfile(file_path):
171+
log.info("Configuration file {} was found by relative path".format(file_path))
172+
return file_path
173+
174+
message = "An error occurred while finding configuration file."
175+
log.error("{} Could not find in: relative path ('{}'), system variables ({}) or static paths ({})".format(
176+
message, file_path, self.alternative_variable_base_path_list, self.alternative_static_base_path_list))
177+
raise exceptions.APIException(message)
178+
96179
def copyScriptFileToConfig(self, filename, use_vrf='', destination=''):
97180
"""
98181
Receives the file path (usually in /mnt/scripts/tftpboot/networkapi/generated_config/interface/)
@@ -120,9 +203,9 @@ def copyScriptFileToConfig(self, filename, use_vrf='', destination=''):
120203
command = command_file.read()
121204

122205
# Check if Configuration is not empty and raises exception if not contain
123-
self.check_configuration_has_content(command=command, file_path=file_path)
206+
# self.check_configuration_has_content(command=command, file_path=file_path)
124207

125-
log.info("Load configuration from file {} successfully".format(file_path))
208+
# log.info("Load configuration from file {} successfully".format(file_path))
126209

127210
return self.exec_command(command=command)
128211

@@ -141,8 +224,22 @@ def exec_command(self, command, success_regex='', invalid_regex=None, error_rege
141224

142225
try:
143226
self.__try_lock() # Do nothing, will be executed by the locked method of ncclient
144-
with self.session_manager.locked(target='running'):
145-
self.session_manager.edit_config(target='running', config=command)
227+
# with self.session_manager.locked(target='running'):
228+
# self.session_manager.edit_config(target='running', config=command)
229+
230+
response = requests.post(
231+
url="http://localhost:5000/deploy",
232+
headers={"Content-type": "application/json"},
233+
data=json.dumps({
234+
"address": self.equipment_access.fqdn,
235+
"username": self.equipment_access.user,
236+
"password": self.equipment_access.password,
237+
"configuration": command
238+
})
239+
)
240+
241+
if response.status_code != 200:
242+
raise Exception
146243

147244
result_message = "Configuration was executed successfully on {}.".format(self.equipment_access.fqdn)
148245
log.info(result_message)
@@ -161,20 +258,21 @@ def close(self):
161258
162259
:returns: True if success or raise an exception on any error
163260
"""
164-
log.info("Close connection started...")
165-
try:
166-
if self.session_manager:
167-
self.session_manager.close_session()
168-
log.info('Connection closed successfully.')
169-
return True
170-
171-
else:
172-
raise Exception("session_manager is None.")
173-
174-
except Exception as e:
175-
message = "Error while calling close session method on equipment %s" % self.equipment_access.fqdn
176-
log.error(message)
177-
log.error(e)
178-
179-
raise exceptions.APIException(message)
261+
# log.info("Close connection started...")
262+
pass
263+
# try:
264+
# if self.session_manager:
265+
# self.session_manager.close_session()
266+
# log.info('Connection closed successfully.')
267+
# return True
268+
269+
# else:
270+
# raise Exception("session_manager is None.")
271+
272+
# except Exception as e:
273+
# message = "Error while calling close session method on equipment %s" % self.equipment_access.fqdn
274+
# log.error(message)
275+
# log.error(e)
276+
277+
# raise exceptions.APIException(message)
180278

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