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https://www.juniper.net/documentation/en_US/junos-pyez/topics/task/program/junos-pyez-program-device-connecting.html


Widget Connector
urlhttps://www.youtube.com/watch?v=53rEwb7Va6g


https://github.com/dahai0013/Basic-python-with-Juniper/tree/master/python


On Ubuntu server ( not Windows ) 
Documentationhttps://www.juniper.net/documentation/en_US/junos-pyez/topics/reference/general/junos-pyez-configuration-process-and-data-formats.html
change system message


Code Block
titlesystem message
labuser@saltsackmaster:~/project/python_script$ more chg_system_message.py
from jnpr.junos import Device
from jnpr.junos.utils.config import Config
from pprint import pprint

junos_hosts = [ '172.30.95.177' ]

for ip in junos_hosts:

    ## open session with juniper divice
    dev = Device(host=ip, user='Netbox', password='Netbox')
    dev.open()

    ## Add or bound the configuration instance variable to the dev instan
    dev.bind(cu=Config)

    ## change config
    cmd_chg_hostname='set system login message "test jlk from python"'
    result = dev.cu.load(cmd_chg_hostname,format='set')
    pprint (result)
    dev.cu.pdiff()

    ## commit changes
    dev.cu.commit()

    ## close the session
    dev.close()


disable interface 


Code Block
titlepython disable interface
collapsetrue
labuser@saltsackmaster:~/project/python_script$ more disable_int.py
from jnpr.junos import Device
from jnpr.junos.utils.config import Config
from pprint import pprint

junos_hosts = [ '172.30.95.177' ]

for ip in junos_hosts:

    ## open session with juniper divice
    dev = Device(host=ip, user='Netbox', password='Netbox')
    dev.open()

    ## Add or bound the configuration instance variable to the dev instan
    dev.bind(cu=Config)

    ## change config
    cmd_chg_hostname='set interfaces xe-0/0/10 disable'
    #cmd_chg_hostname='delete interfaces xe-0/0/10 disable'
    result = dev.cu.load(cmd_chg_hostname,format='set')
    pprint (result)
    dev.cu.pdiff()

    ## commit changes
    dev.cu.commit()
    ## close the session
    dev.close()


run script and output


Code Block
titlerun python script and ouput
collapsetrue
labuser@saltsackmaster:~/project/python_script$ python3 disable_int.py
<Element load-configuration-results at 0x7f2ba17205c8>

[edit interfaces]
+   xe-0/0/10 {
+       disable;
+   }

labuser@saltsackmaster:~/project/python_script$




On the QFX5100:
---------------

{master:0}
root@QFX5100-1-RL102> show configuration interfaces xe-0/0/10

{master:0}
root@QFX5100-1-RL102> show configuration interfaces xe-0/0/10
disable;

{master:0}
root@QFX5100-1-RL102>







Code Block
titleget facts
collapsetrue
labuser@saltsackmaster:~/project/python_script$ more get_facts.py
from jnpr.junos import Device
from pprint import pprint

junos_hosts = [ '172.30.95.177' ]
# junos_hosts = ['172.30.92.204','172.30.92.213']

for ip in junos_hosts:
    # dev = Device(host=ip, user='root', password='eyeno1t2!')
    dev = Device(host=ip, user='Netbox', password='Netbox')
    dev.open()
    pprint(dev.facts)
    print("\nJLK: version :",dev.facts['version'])
    dev.close()


Code Block
titlefacts with pyez
collapsetrue
import sys
import json
import yaml
from pprint import pprint
from jnpr.junos import Device
from jnpr.junos.exception import ConnectError

dev = Device(host='192.168.99.11',user='ansible',passwd='ansible123')
try:
    dev.open()
except ConnectError as err:
    print ("Cannot connect to device: {0}".format(err))
    sys.exit(1)

#print("#print everything\n")
#pprint (dev.facts)

#print("\n#print only the version")
#pprint (dev.facts['version'])

print (yaml.dump(dev.facts))

#print (json.dumps(dev.facts))

dev.close()