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Initial cnos_image commit (#21789)
* Initial cnos_image commit * corrected required/default values in documentaiton * fixed choices for imgtype * removed a colon * Move roles to integration/roles directory and remove aliases file. * update module short description * Change module directory name to Lenovo * change import cnos statement
This commit is contained in:
Dave Kasberg
John R Barker
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commit
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5 changed files with 376 additions and 0 deletions
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lib/ansible/modules/network/lenovo/cnos_image.py
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lib/ansible/modules/network/lenovo/cnos_image.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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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 download new image to Lenovo Switches
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# Lenovo Networking
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#
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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'community',
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'version': '1.0'}
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DOCUMENTATION = '''
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---
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module: cnos_image
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short_description: Perform firmware upgrade/download from a remote server on devices running Lenovo CNOS
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description:
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- This module allows you to work with switch firmware images. It provides a way to download a firmware image
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to a network device from a remote server using FTP, SFTP, TFTP, or SCP. The first step is to create a directory
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from where the remote server can be reached. The next step is to provide the full file path of the image’s
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location. Authentication details required by the remote server must be provided as well. By default, this
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method makes the newly downloaded firmware image the active image, which will be used by the switch during the
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next restart.
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This module uses SSH to manage network device configuration.
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The results of the operation will be placed in a directory named 'results'
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that must be created by the user in their local directory to where the playbook is run.
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For more information about this module from Lenovo and customizing it usage for your
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use cases, please visit our [User Guide](http://systemx.lenovofiles.com/help/index.jsp?topic=%2Fcom.lenovo.switchmgt.ansible.doc%2Fcnos_image.html)
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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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protocol:
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description:
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- This refers to the protocol used by the network device to interact with the remote server from where
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to download the firmware image. The choices are FTP, SFTP, TFTP, or SCP. Any other protocols will
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result in error. If this parameter is not specified, there is no default value to be used.
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required: true
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default: null
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choices: [SFTP, SCP, FTP, TFTP]
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serverip:
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description:
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- This specifies the IP Address of the remote server from where the software image will be downloaded.
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required: true
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default: null
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imgpath:
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description:
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- This specifies the full file path of the image located on the remote server. In case the relative path
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is used as the variable value, the root folder for the user of the server needs to be specified.
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required: true
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default: null
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imgtype:
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description:
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- This specifies the firmware image type to be downloaded
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required: true
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default: null
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choices: [all, boot, os, onie]
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serverusername:
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description:
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- Specify the username for the server relating to the protocol used.
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required: true
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default: null
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serverpassword:
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description:
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- Specify the password for the server relating to the protocol used.
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required: false
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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_image. These are written in the main.yml file of the tasks directory.
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---
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- name: Test Image transfer
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cnos_image:
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host: "{{ inventory_hostname }}"
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username: "{{ hostvars[inventory_hostname]['username'] }}"
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password: "{{ hostvars[inventory_hostname]['password'] }}"
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deviceType: "{{ hostvars[inventory_hostname]['deviceType'] }}"
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enablePassword: "{{ hostvars[inventory_hostname]['enablePassword'] }}"
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outputfile: "./results/test_image_{{ inventory_hostname }}_output.txt"
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protocol: "sftp"
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serverip: "10.241.106.118"
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imgpath: "/root/cnos_images/G8272-10.1.0.112.img"
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imgtype: "os"
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serverusername: "root"
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serverpassword: "root123"
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- name: Test Image tftp
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cnos_image:
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host: "{{ inventory_hostname }}"
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username: "{{ hostvars[inventory_hostname]['username'] }}"
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password: "{{ hostvars[inventory_hostname]['password'] }}"
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deviceType: "{{ hostvars[inventory_hostname]['deviceType'] }}"
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enablePassword: "{{ hostvars[inventory_hostname]['enablePassword'] }}"
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outputfile: "./results/test_image_{{ inventory_hostname }}_output.txt"
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protocol: "tftp"
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serverip: "10.241.106.118"
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imgpath: "/anil/G8272-10.2.0.34.img"
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imgtype: "os"
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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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return value: |
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On successful execution, the method returns a message in JSON format
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[Image file tranferred to device]
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Upon any failure, the method returns an error display string.
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'''
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import sys
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import paramiko
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import time
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import argparse
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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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try:
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from ansible.module_utils 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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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=True),
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username=dict(required=True),
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password=dict(required=True, 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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protocol=dict(required=True),
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serverip=dict(required=True),
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imgpath=dict(required=True),
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imgtype=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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username = module.params['username']
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password = module.params['password']
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enablePassword = module.params['enablePassword']
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outputfile = module.params['outputfile']
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host = module.params['host']
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deviceType = module.params['deviceType']
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protocol = module.params['protocol'].lower()
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imgserverip = module.params['serverip']
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imgpath = module.params['imgpath']
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imgtype = module.params['imgtype']
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imgserveruser = module.params['serverusername']
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imgserverpwd = module.params['serverpassword']
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output = ""
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timeout = 120
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tftptimeout = 600
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# Create instance of SSHClient object
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remote_conn_pre = paramiko.SSHClient()
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# Automatically add untrusted hosts (make sure okay for security policy in your environment)
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remote_conn_pre.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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# initiate SSH connection with the switch
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remote_conn_pre.connect(host, username=username, password=password)
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time.sleep(2)
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# Use invoke_shell to establish an 'interactive session'
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remote_conn = remote_conn_pre.invoke_shell()
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time.sleep(2)
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# Enable and enter configure terminal then send command
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output = output + cnos.waitForDeviceResponse("\n", ">", 2, remote_conn)
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output = output + cnos.enterEnableModeForDevice(enablePassword, 3, remote_conn)
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# Make terminal length = 0
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output = output + cnos.waitForDeviceResponse("terminal length 0\n", "#", 2, remote_conn)
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transfer_status = ""
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# Invoke method for image transfer from server
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if(protocol == "tftp" or protocol == "ftp"):
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transfer_status = cnos.doImageTransfer(protocol, tftptimeout, imgserverip, imgpath, imgtype, imgserveruser, imgserverpwd, remote_conn)
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elif(protocol == "sftp" or protocol == "scp"):
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transfer_status = cnos.doSecureImageTransfer(protocol, timeout, imgserverip, imgpath, imgtype, imgserveruser, imgserverpwd, remote_conn)
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else:
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transfer_status = "Invalid Protocol option"
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output = output + "\n Image Transfer status \n" + transfer_status
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# Save it into the file
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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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# 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="Image 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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