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file transfer method was defined

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This commit is contained in:
Volkan Şahin 2016-06-29 12:41:31 +03:00
parent ac99ea633e
commit d6abe1a78f
3 changed files with 115 additions and 14 deletions
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30
opt/ahenk/base/file/file_transfer_manager.py
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@ -0,0 +1,30 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
from base.Scope import Scope
from base.file.ssh_file_transfer import Ssh
from base.file.http_file_transfer import Http
class FileTransferManager(object):
def __init__(self, protocol, parameter_map):
scope = Scope().getInstance()
self.logger = scope.getLogger()
self.configuration_manager = scope.getConfigurationManager()
self.transporter = self.get_instance(protocol, parameter_map)
def get_instance(self, protocol, parameter_map):
try:
transporter = None
if str(protocol).lower() == 'ssh':
transporter = Ssh(parameter_map)
elif str(protocol).lower() == 'http':
transporter = Http(parameter_map)
else:
raise Exception('Unsupported file transfer protocol: {}'.format(str(protocol)))
return transporter
except Exception as e:
self.logger.error('[FileTransferManager] A problem occurred while getting instance of related protocol. Error Message: {}'.format(str(e)))
return None

48
opt/ahenk/base/file/http_file_transfer.py
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@ -0,0 +1,48 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
from base.util.util import Util
from base.system.system import System
import urllib.request
from base.Scope import Scope
class Http(object):
def __init__(self, parameter_map):
scope = Scope().getInstance()
self.logger = scope.getLogger()
self.configuration_manager = scope.getConfigurationManager()
try:
self.url = parameter_map['url']
except Exception as e:
self.logger.error('[Http] A problem occurred while parsing parameter map. Error Message: {}'.format(str(e)))
def send_file(self, local_path, remote_path):
pass
def get_file(self):
self.logger.debug('[FileTransfer] Getting file ...')
file_md5 = None
try:
tmp_file_name = str(Util.generate_uuid())
local_full_path = System.Ahenk.received_dir_path() + tmp_file_name
urllib.request.urlretrieve(self.url, local_full_path)
file_md5 = str(Util.get_md5_file(local_full_path))
Util.rename_file(local_full_path, System.Ahenk.received_dir_path() + file_md5)
self.logger.debug('[FileTransfer] File was downloaded to {0} from {1}'.format(local_full_path, self.url))
except Exception as e:
self.logger.error('[FileTransfer] A problem occurred while downloading file. Exception message: {}'.format(str(e)))
raise
return file_md5
def disconnect(self):
pass
def is_connected(self):
pass
def connect(self):
pass

51
opt/ahenk/base/file/ssh_file_transfer.py
View file

@ -2,24 +2,34 @@
# -*- coding: utf-8 -*-
# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
from base.util.util import Util
from base.system.system import System
from base.Scope import Scope
import paramiko
class FileTransfer(object):
def __init__(self, hostname, port, username, password, pkey=None):
class Ssh(object):
def __init__(self, parameter_map):
scope = Scope().getInstance()
self.logger = scope.getLogger()
self.configuration_manager = scope.getConfigurationManager()
self.target_hostname = hostname
self.port = port
self.target_username = username
self.target_password = password
self.p_key = pkey
self.connection = None
try:
self.target_hostname = parameter_map['hostname']
self.port = parameter_map['port']
self.target_username = parameter_map['username']
self.target_path = parameter_map['path']
self.target_password = None
self.p_key = None
if parameter_map['password'] is not None:
self.target_password = parameter_map['password']
else:
self.p_key = parameter_map['pkey']
except Exception as e:
self.logger.error('[Ssh] A problem occurred while parsing ssh connection parameters. Error Message: {}'.format(str(e)))
self.connection = None
self.logger.debug('[FileTransfer] Parameters set up')
def send_file(self, local_path, remote_path):
@ -35,18 +45,21 @@ class FileTransfer(object):
self.connection.close()
self.logger.debug('[FileTransfer] Connection is closed successfully')
def get_file(self, local_path, remote_path):
def get_file(self):
self.logger.debug('[FileTransfer] Getting file ...')
file_md5 = None
try:
tmp_file_name = str(Util.generate_uuid())
local_full_path = System.Ahenk.received_dir_path() + tmp_file_name
sftp = paramiko.SFTPClient.from_transport(self.connection)
sftp.get(remote_path, local_path)
self.logger.debug('[FileTransfer] File was downloaded to {} from {}'.format(local_path, remote_path))
sftp.get(self.target_path, local_full_path)
file_md5 = str(Util.get_md5_file(local_full_path))
Util.rename_file(local_full_path, System.Ahenk.received_dir_path() + file_md5)
self.logger.debug('[FileTransfer] File was downloaded to {0} from {1}'.format(local_full_path, self.target_path))
except Exception as e:
self.logger.error('[FileTransfer] A problem occurred while downloading file. Exception message: {}'.format(str(e)))
raise
finally:
self.connection.close()
self.logger.debug('[FileTransfer] Connection is closed successfully')
return file_md5
def connect(self):
self.logger.debug('[FileTransfer] Connecting to {} via {}'.format(self.target_hostname, self.port))
@ -57,3 +70,13 @@ class FileTransfer(object):
self.logger.debug('[FileTransfer] Connected.')
except Exception as e:
self.logger.error('[FileTransfer] A problem occurred while connecting to {} . Exception message: {}'.format(self.target_hostname, str(e)))
def disconnect(self):
self.connection.close()
self.logger.debug('[FileTransfer] Connection is closed.')
# TODO
pass
def is_connected(self):
# TODO
pass