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285 lines
10 KiB
Python
285 lines
10 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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#
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# Copyright (C) 2017 Lenovo, Inc.
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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# Module to Rollback Config back to Lenovo Switches
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#
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# Lenovo Networking
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#
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: cnos_rollback
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author: "Anil Kumar Muraleedharan (@amuraleedhar)"
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short_description: Roll back the running or startup configuration from a remote
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server on devices running Lenovo CNOS
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description:
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- This module allows you to work with switch configurations. It provides a
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way to roll back configurations of a switch from a remote server. This is
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achieved by using startup or running configurations of the target device
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that were previously backed up to a remote server using FTP, SFTP, TFTP,
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or SCP. The first step is to create a directory from where the remote
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server can be reached. The next step is to provide the full file path of
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he backup configuration's location. Authentication details required by the
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remote server must be provided as well.
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By default, this method overwrites the switch's configuration file with
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the newly downloaded file. This module uses SSH to manage network device
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configuration. The results of the operation will be placed in a directory
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named 'results' that must be created by the user in their local directory
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to where the playbook is run.
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version_added: "2.3"
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extends_documentation_fragment: cnos
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options:
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configType:
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description:
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- This refers to the type of configuration which will be used for
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the rolling back process. The choices are the running or startup
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configurations. There is no default value, so it will result
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in an error if the input is incorrect.
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required: Yes
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default: Null
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choices: [running-config, startup-config]
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protocol:
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description:
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- This refers to the protocol used by the network device to
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interact with the remote server from where to download the backup
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configuration. The choices are FTP, SFTP, TFTP, or SCP. Any other
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protocols will result in error. If this parameter is not
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specified, there is no default value to be used.
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required: Yes
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default: Null
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choices: [SFTP, SCP, FTP, TFTP]
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rcserverip:
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description:
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- This specifies the IP Address of the remote server from where the
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backup configuration will be downloaded.
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required: Yes
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default: Null
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rcpath:
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description:
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- This specifies the full file path of the configuration file
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located on the remote server. In case the relative path is used as
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the variable value, the root folder for the user of the server
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needs to be specified.
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required: Yes
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default: Null
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serverusername:
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description:
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- Specify username for the server relating to the protocol used.
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required: Yes
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default: Null
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serverpassword:
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description:
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- Specify password for the server relating to the protocol used.
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required: Yes
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default: Null
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'''
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EXAMPLES = '''
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Tasks : The following are examples of using the module cnos_rollback.
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These are written in the main.yml file of the tasks directory.
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---
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- name: Test Rollback of config - Running config
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cnos_rolback:
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deviceType: "{{ hostvars[inventory_hostname]['deviceType'] }}"
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outputfile: "./results/test_rollback_{{ inventory_hostname }}_output.txt"
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configType: running-config
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protocol: "sftp"
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serverip: "10.241.106.118"
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rcpath: "/root/cnos/G8272-running-config.txt"
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serverusername: "root"
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serverpassword: "root123"
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- name: Test Rollback of config - Startup config
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cnos_rolback:
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deviceType: "{{ hostvars[inventory_hostname]['deviceType'] }}"
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outputfile: "./results/test_rollback_{{ inventory_hostname }}_output.txt"
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configType: startup-config
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protocol: "sftp"
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serverip: "10.241.106.118"
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rcpath: "/root/cnos/G8272-startup-config.txt"
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serverusername: "root"
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serverpassword: "root123"
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- name: Test Rollback of config - Running config - TFTP
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cnos_rolback:
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deviceType: "{{ hostvars[inventory_hostname]['deviceType'] }}"
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outputfile: "./results/test_rollback_{{ inventory_hostname }}_output.txt"
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configType: running-config
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protocol: "tftp"
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serverip: "10.241.106.118"
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rcpath: "/anil/G8272-running-config.txt"
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serverusername: "root"
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serverpassword: "root123"
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- name: Test Rollback of config - Startup config - TFTP
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cnos_rolback:
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deviceType: "{{ hostvars[inventory_hostname]['deviceType'] }}"
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outputfile: "./results/test_rollback_{{ inventory_hostname }}_output.txt"
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configType: startup-config
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protocol: "tftp"
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serverip: "10.241.106.118"
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rcpath: "/anil/G8272-startup-config.txt"
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serverusername: "root"
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serverpassword: "root123"
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'''
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RETURN = '''
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msg:
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description: Success or failure message
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returned: always
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type: string
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sample: "Config file tranferred to Device"
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'''
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import sys
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import time
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import socket
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import array
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import json
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import time
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import re
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import os
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try:
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from ansible.module_utils.network.cnos import cnos
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HAS_LIB = True
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except:
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HAS_LIB = False
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from ansible.module_utils.basic import AnsibleModule
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from collections import defaultdict
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# Utility Method to rollback the running config or start up copnfig
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# This method supports only SCP or SFTP or FTP or TFTP
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def doConfigRollBack(module, prompt, answer):
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host = module.params['host']
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server = module.params['serverip']
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username = module.params['serverusername']
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password = module.params['serverpassword']
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protocol = module.params['protocol'].lower()
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rcPath = module.params['rcpath']
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configType = module.params['configType']
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confPath = rcPath
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retVal = ''
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command = "copy " + protocol + " " + protocol + "://"
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command = command + username + "@" + server + "/" + confPath
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command = command + " " + configType + " vrf management\n"
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cnos.debugOutput(command + "\n")
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# cnos.checkForFirstTimeAccess(module, command, 'yes/no', 'yes')
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cmd = []
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if(protocol == "scp"):
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scp_cmd1 = [{'command': command, 'prompt': 'timeout:', 'answer': '0'}]
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scp_cmd2 = [{'command': '\n', 'prompt': 'Password:',
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'answer': password}]
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cmd.extend(scp_cmd1)
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cmd.extend(scp_cmd2)
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if(configType == 'startup-config'):
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scp_cmd3 = [{'command': 'y', 'prompt': None, 'answer': None}]
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cmd.extend(scp_cmd3)
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retVal = retVal + str(cnos.run_cnos_commands(module, cmd))
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elif(protocol == "sftp"):
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sftp_cmd = [{'command': command, 'prompt': 'Password:',
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'answer': password}]
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cmd.extend(sftp_cmd)
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# cnos.debugOutput(configType + "\n")
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if(configType == 'startup-config'):
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sftp_cmd2 = [{'command': 'y', 'prompt': None, 'answer': None}]
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cmd.extend(sftp_cmd2)
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retVal = retVal + str(cnos.run_cnos_commands(module, cmd))
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elif(protocol == "ftp"):
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ftp_cmd = [{'command': command, 'prompt': 'Password:',
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'answer': password}]
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cmd.extend(ftp_cmd)
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if(configType == 'startup-config'):
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ftp_cmd2 = [{'command': 'y', 'prompt': None, 'answer': None}]
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cmd.extend(ftp_cmd2)
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retVal = retVal + str(cnos.run_cnos_commands(module, cmd))
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elif(protocol == "tftp"):
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command = "copy " + protocol + " " + protocol
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command = command + "://" + server + "/" + confPath
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command = command + " " + configType + " vrf management\n"
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cnos.debugOutput(command)
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tftp_cmd = [{'command': command, 'prompt': None, 'answer': None}]
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cmd.extend(tftp_cmd)
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if(configType == 'startup-config'):
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tftp_cmd2 = [{'command': 'y', 'prompt': None, 'answer': None}]
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cmd.extend(tftp_cmd2)
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retVal = retVal + str(cnos.run_cnos_commands(module, cmd))
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else:
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return "Error-110"
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return retVal
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# EOM
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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outputfile=dict(required=True),
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host=dict(required=False),
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username=dict(required=False),
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password=dict(required=False, no_log=True),
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enablePassword=dict(required=False, no_log=True),
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deviceType=dict(required=True),
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configType=dict(required=True),
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protocol=dict(required=True),
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serverip=dict(required=True),
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rcpath=dict(required=True),
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serverusername=dict(required=False),
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serverpassword=dict(required=False, no_log=True),),
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supports_check_mode=False)
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outputfile = module.params['outputfile']
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protocol = module.params['protocol'].lower()
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output = ''
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if protocol in ('tftp', 'ftp', 'sftp', 'scp'):
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transfer_status = doConfigRollBack(module, None, None)
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else:
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transfer_status = 'Invalid Protocol option'
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output = output + "\n Config Transfer status \n" + transfer_status
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# Save it into the file
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if '/' in outputfile:
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path = outputfile.rsplit('/', 1)
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# cnos.debugOutput(path[0])
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if not os.path.exists(path[0]):
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os.makedirs(path[0])
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file = open(outputfile, "a")
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file.write(output)
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file.close()
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# need to add logic to check when changes occur or not
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errorMsg = cnos.checkOutputForError(output)
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if(errorMsg is None):
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module.exit_json(changed=True, msg="Config file tranferred to Device")
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else:
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module.fail_json(msg=errorMsg)
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if __name__ == '__main__':
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main()
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