def confgen(vars):
# Generate configuration lines with Jinja2
with open(jinja_template) as f:
tfile = f.read()
template = jinja2.Template(tfile)
cfg_list = template.render(vars)
print('-' * 80)
print(cfg_list)
print('-' * 80)
# Connect directly to host via telnet on the specified port
conn = Netmiko(host=hostip,
device_type='cisco_ios_telnet',
port=vars['port'])
# Check if host is in initial config state
conn.write_channel("\n")
time.sleep(1)
output = conn.read_channel()
if 'initial configuration dialog' in output:
conn.write_channel('no\n')
time.sleep(1)
# Send generated commands to host
output = conn.enable()
output = conn.send_config_set(cfg_list)
# Display results
print('-' * 80)
print('\nConfiguration applied on ' + vars['host'] + ': \n\n' + output)
print('-' * 80)
# Probably a good idea
conn.disconnect()
def simpleConnect(ip): # Values within need to be changed for functionality!
node = {
"host": (ip),
"username": userName,
"password": userPass,
"device_type": "cisco_ios",}
try:
net_connect = Netmiko(**node)
hostname = (net_connect.find_prompt())
net_connect.find_prompt()
sleep(1)
if '#' not in (net_connect.find_prompt()): # Checking for enable mode
net_connect.write_channel("en" + "\r")
net_connect.write_channel(userPass + "\r") # Passing in credentials for enable mode
print(net_connect.read_channel())
sleep(1)
print(net_connect.read_channel())
output = net_connect.send_command('show inventory') # Change me and ball-out
sleep(1)
print(output)
if "2960x" in output: # Change me and ball-out
print ("\n\n\n\t\t\t" +hostname+ " is a 2960x model switch!")
results.write(hostname+ " is a 2960x model switch!\n")
sleep(1)
checkfunc = net_connect.send_command('test interfaces vlan 1')
print (checkfunc)
if "No IP address" in checkfunc: # Change me and ball-out
print ("\n\t" + hostname + " VLAN 1 has no IP address!\n")
results.write(hostname +" VLAN 1 has no IP address!\n")
else:
pass
if "2901" in output: # Change me and ball-out
print ("\n\n\n\t\t\t" +hostname+ " is a 2901 router!")
results.write(hostname+ " is a 2901 router!\n")
sleep(1)
if "% Invalid" in output: # Change me and ball-out
print("Syntax Error! Check compatibility for CLI command!")
results.write(hostname + " experienced a ***Syntax Error!***\n")
sleep(1)
net_connect.disconnect()
except:
print("*Authentication Error!*")
# SCRIPT 3 NETMIKO SCRIPT TO CONNECT “TERMINAL SERVER” FIRST AND THEN GOTO SSH CISCO_IOS
import time
from netmiko import ConnectHandler, redispatch
net_connect = ConnectHandler(
device_type="terminal_server",
ip="192.168.32.131",
username="******",
password="******",
)
output = net_connect.send_command("ifconfig")
print(output)
net_connect.write_channel("ssh -l admin 192.168.32.132\r\n")
time.sleep(1)
max_loops = 10
i = 5
while i <= max_loops:
output = net_connect.read_channel()
if "Password" in output:
net_connect.write_channel(net_connect.password + "\r\n")
time.sleep(0.5)
output = net_connect.read_channel()
if ">" in output or "#" in output:
break
time.sleep(0.5)
i += 1
# Establish SSH connection to the network device using **kwargs to pull in details from dictionary
net_connect = Netmiko(**device)
# Part a - find and print the prompt to the screen
print(net_connect.find_prompt())
# Part B - Enter config mode and find the prompt
print(net_connect.config_mode())
print(net_connect.find_prompt())
# Part C - exit config mode and print the prompt
print(net_connect.exit_config_mode())
print(net_connect.find_prompt())
# Part D - send disable down the SSH channel
print(net_connect.write_channel('disable\n'))
# Part E - Sleep for 2s and read back from SSH channel
time.sleep(2)
print(net_connect.read_channel())
# Part F - Go into enable mode and print prompt
print(net_connect.enable())
print(net_connect.find_prompt())
net_connect.disconnect()
#!/usr/bin/env python
from netmiko import Netmiko
from getpass import getpass
import time
cisco1 = {
"host": "cisco1.twb-tech.com",
"username": "******",
"password": getpass(),
"device_type": "cisco_ios",
}
net_connect = Netmiko(**cisco1)
print(net_connect.find_prompt())
net_connect.write_channel("show ip int brief\n")
time.sleep(1)
output = net_connect.read_channel()
print(output)
net_connect.disconnect()
router_ip = '192.168.0.50'
router_user = '******'
router_password = '******'
print(f"\n{'#'*50}\n1. Connecting to the Cisco Jump host\n{'#'*50}")
try:
net_connect = Netmiko(device_type='cisco_ios',
host = cisco_jump_host_ip,
username = cisco_jump_host_user,
password = cisco_jump_host_password)
print(net_connect.find_prompt())
print(f"\n{'*'*10}Connected to the Jump host{'*'*10}")
print(f"\n{'~'*50}\n2. Connecting to the Dest Router\n{'~'*50}")
print(net_connect.find_prompt(),end='')
net_connect.write_channel(f'ssh -l {router_user} {router_ip}\n')
time.sleep(2)
output = net_connect.read_channel()
print(output)
if 'Password' in output:
print("**Received Password Prompt, Entering password**")
net_connect.write_channel(router_password+'\n')
time.sleep(2)
print(f"\n{'~'*50}\nDestination Device Prompt\n{'~'*50}\n")
print(net_connect.find_prompt())
cmds = ['show ip int brie','show ip route','show users']
redispatch(net_connect,device_type='cisco_ios')
for cmd in cmds:
print(f"\n{'~'*50}\nIn {net_connect.find_prompt()} Executing the Command: {cmd}\n{'~'*50}")
"password": "******",
"secret": "ENABLE_PASSWORD",
"device_type": "cisco_ios",
}
sw_list = [ARUBA_7005, ARUBA_7010, ARUBA_7030]
for device in sw_list:
response = os.system(
"ping -c 1 " +
device['ip']) # check whether the switch is UP using ICMP echo request
if response == 0:
print('WLAN Controller with ip address ', device['ip'], ' is UP')
net_connect = Netmiko(**device)
print(net_connect.find_prompt())
print('Initiating backup of : ', device['ip'], ' WLAN Controller')
#net_connect.enable()
#print(net_connect.find_prompt())
net_connect.write_channel('no paging')
output = net_connect.send_command("show running-config")
filename1 = time.strftime("%Y%m%d-%H%M%S")
filename2 = device['ip']
completeName = filename2 + "_" + filename1 + "_cont.txt"
with open(os.path.join('/PATH/TO/STORE/BACKUP/FILES', completeName),
'w') as f:
print(output, file=f)
print('completed backup of : ', device['ip'], ' WLAN Controller')
net_connect.disconnect()
else:
print('WLAN Controller with ip address ', device['ip'], ' is DOWN')
#!/usr/bin/env python3
from netmiko import Netmiko
from getpass import getpass
import logging
import time
logging.basicConfig(filename='test.log', level=logging.DEBUG)
logger = logging.getLogger("netmiko")
# Credential in GNS3 : admin, admin123
password = getpass(prompt="Password : "******"show ip arp")
print(output)
print(type(output))
net_conn.write_channel("show ip arp\n")
time.sleep(15)
outout = net_conn.read_channel("show ip arp\n")
print(output)
print(type(output))
inventory['device_type'] = vals['Device type']
inv_list.append(inventory.copy())
for items in inv_list:
print('\nCurrent device: ' + items['device'])
with open(jinja_template) as f:
tfile = f.read()
template = jinja2.Template(tfile)
cfg_list = template.render(items).split('\n')
conn = Netmiko(host=items['ip'],
device_type=items['device_type'],
username=items['username'],
password=items['password'],
port=items['port'])
conn.write_channel("\n")
time.sleep(1)
output = conn.read_channel()
if 'initial configuration dialog' in output:
conn.write_channel('no\n')
time.sleep(1)
output = conn.enable()
output = conn.send_config_set(cfg_list)
print(output)
conn.disconnect()
password = getpass()
device = {
"host": "cisco4.lasthop.io",
"username": "******",
"password": password,
"secret": password,
"device_type": "cisco_ios",
"session_log": "my_output_l2-ex6.txt",
}
net_connection = Netmiko(**device)
print(net_connection.find_prompt())
net_connection.config_mode()
print(net_connection.find_prompt())
net_connection.exit_config_mode()
print(net_connection.find_prompt())
net_connection.write_channel("disable\n")
time.sleep(2)
output = net_connection.read_channel()
print(output)
print("Enter enable mode")
net_connection.enable()
print(net_connection.find_prompt())
net_connection.disconnect()
print()
print("-" * 79)
print(ssh_conn.find_prompt())
print("-" * 79)
print("Execution the config_mode:")
print("-" * 79)
ssh_conn.config_mode()
print(ssh_conn.find_prompt())
print("-" * 79)
print("Execution the exit_config_mode:")
print("-" * 79)
ssh_conn.exit_config_mode()
print(ssh_conn.find_prompt())
print("-" * 79)
print("Execution the write_channel:")
print("-" * 79)
ssh_conn.write_channel('disable')
print(ssh_conn.find_prompt())
print("-" * 79)
print("Execution the time sleep command:")
time.sleep(2)
print("-" * 79)
print("Execution the read_channel:")
print("-" * 79)
ssh_conn.read_channel()
print(ssh_conn.find_prompt())
print("-" * 79)
print("Execution the enable mode:")
print("-" * 79)
ssh_conn.read_channel()
ssh_conn.enable()
print(ssh_conn.find_prompt())
#!/usr/bin/env python
from netmiko import Netmiko
from getpass import getpass
import time
cisco1 = {
'host': 'cisco1.twb-tech.com',
'username': '******',
'password': getpass(),
'device_type': 'cisco_ios',
}
net_connect = Netmiko(**cisco1)
print(net_connect.find_prompt())
net_connect.write_channel("show ip int brief\n")
time.sleep(1)
output = net_connect.read_channel()
print(output)
net_connect.disconnect()
