明日からはじめるネットワーク運用自動化 実践編

第9回NCC情報交換会(電力系ISPの集い)で発表した資料です。

Transcript

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      • io ml • u C g n H • r u T p pe I ch S yH • io ml S r u }O U H ( - C 8A ) 20-. 26 8 1 : A ,;6 4 num = 1 if num == 1: print(“Hello JANOG!!!”) $ python3 sample.py Hello JANOG!!! • io ml • s CA8 a p S CA8 g n {t O H I 4; :6 C
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29. ) A .,) .21 - (82 10 1 $ pip list Jinja2 (2.9.6) . . . $ pip install jinja2 HI 0 HI C U HI S O T (
    ) *& 
    venvvirtualenv",* #  pip %'( ( $+)! ) https://docs.python.jp/3/library/venv.html
30. 
     9 - . -20 89 ,9 98 2 0 80 # datetime   
     import datetime # datetime  
    datetime now  now = datetime.datetime.now() print(now) $ python3 sample_library.py 2017-11-15 14:25:56.360603 sample_library.py    1 2 2 HA C I
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     Cisco Router Juniper Router Cisco 
     Juniper 
     get_network_driver(”iosxr") get_facts()[‘os_version’] 12.1X47-D15.4 get_network_driver("junos") get_facts()[‘os_version’]
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34. 8 23 - . -103 8 ,8 8 1 0 0 import napalm # JUNOS   driver = napalm.get_network_driver("junos") device = driver( hostname="192.168.33.3", username="user1", password="password1" ) #  
     device.open() #  
     device.close() 
    OS junos / eos / ios / iosxr/ nxos 
     • IP  •
    , 
    
     
    
35. • S • I 8=Clsyp h S h T e mnot U O T r t • i wh ah mnot U T S1 cuH T g g e ( -=> 8A ) 20-.3 2 8 = 1= A = , 4 Hostname: vsrx Model: firefly-perimeter JUNOS Software Release [12.1X47-D15.4] 12.1X47-D15.4 
     
    
36. • I G HP O • P O B 8 C -1. ,2 15 0 A 8 5 8 3 - device.get_intefaces()[“ge-0/0/0”][“is_up”] # ge-0/0/0
    UP ”True”, Down”False“ device.get_bgp_neighbors()[“global”] [“peers”] [“192.168.35.2”][“is_up”] # AS65001
    UP ”True”, Down”False“
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    (Jinja2)] HTML    
    
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       ( C ( ,0. 1 0 3 A ) 32 , 3 interface {{ if_name }} description {{ if_description }} ip address {{ ip4 }} {{ ip4_subnet }} duplex auto speed auto no shutdown ! H O IJ - 82 UT import jinja2 # ! file = open("sample_template.jinja2", "r") template_txt = file.read() # 
        template = \ jinja2.Environment().from_string(template_txt) # 
     " config_txt = template.render( if_description="To_RouterA", if_name="fastethernet 1/1", ip4=“192.168.0.1”, ip4_subnet="255.255.255.0") print(config_txt) $ python3 sample_template_1.py interface fastethernet 1/1 description To_RouterA ip address 192.168.0.1 255.255.255.0 duplex auto speed auto no shutdown ! sample_template.jinja2 sample_template_1.py S  
40. OS RI , OS U T H, 0 ( , A 9 ) .2/,-3 28 1 C 8 . device.load_merge_candidate(filename="config_junos.txt") device.compare_config() print("Do you commit? y/n") choice = input() if choice == "y": device.commit_config() else: device.discard_config()
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42. 
     A M ) I L 4 ) ( L I 1 P ) : JSON
    https://thinkit.co.jp/article/70/1
43. 
     C 8A ( ,2 2 8 1 A ) 4 , [ { "router_name": "Router_A", "ip": "192.168.0.1", "os": "junos" }, { "router_name": "Router_B", "ip": "192.168.0.2", "os": "ios" }, { "router_name": "Router_C", "ip": "192.168.0.3", "os": "iosxr" } ] $ python3 sample_json.py [{'router_name': 'Router_A', 'ip': '192.168.0.1', 'os': 'junos'}, {'router_name': 'Router_B', 'ip': '192.168.0.2', 'os': 'ios'}, {'router_name': 'Router_C', 'ip': '192.168.0.3', 'os': 'iosxr'}] ----- 192.168.0.1 -1 .e NIJ ST U - PiO O 0CA8 c cg N c PahHI T c cg sample_json.json   import json file = open("sample_json.json", "r") # file  json
     routers_list = json.load(file) print(routers_list) print(”-----") print(routers_list[0]["ip"]) sample_json.py
44. 
     ( A C ) -30 ,4 38 2 C 8A - host_info: mgnt_ipaddress: 192.168.33.3 hostname: vsrx1 os : junos username: user1 password: password1 if_info: if_name: ge-0/0/2 if_address_ipv4: 192.168.35.1 if_subnet_ipv4: 30 if_description: AS65002_peer .g ST IO MP LO U YH . ST a 1 C e ei IO MP l he c he ei import yaml # YAML   file = open("sample_yaml.yml", "r") # file YAML
      router_info = yaml.load(file) print(router_info['host_info']['hostname’]) print(router_info[‘if_info'][‘if_name’]) sample_yaml.yml sample_yaml.py $ python3 sample_yaml.py vsrx1 ge-0/0/2 
     
45. Scenario file (YAML) Router (Target) NAPALM Config Template (Jinja2) JUNOS IOSXR IOS EOS 4 Router • • • • check_interface • check_bgp_neighbor • set_interface • set_bgp_neighbor • set_route_policy_advertised/recieved interfaces { {{ if_name }} { unit 0 { family inet { address {{ if_addr }}/{{ if_subnet }} } } } } scenario: - check_interface: if_name: ge-0/0/2 if_status: up - set_interface: if_name: ge-0/0/2 if_addr: 192.168.35.1 if_subnet: 30
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     )( https://github.com/taijiji/peerup  
    
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53. m CA8 ic so OH ( , C 8A .2 ,-3 2658 1 A 6 5 . 5 $ python –-version Python 2.7.14 $ python2 --version Python 2.7.14 $ python3 --version Python 3.6.3 ae h pt 0CA8 I gi 1T P S 1 uT P CA8 CA8 CA8 ) U ic ae h rn l H
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55. 
      • io ml • u C g n H • r u T p pe I ch S yH • io ml S r u }O U H ( - C 8A ) 20-. 2 58 1 : A ,; 54 5 $ vi sample.py num = 1 if num == 1: print(“Hello JANOG!!!”) $ python3 sample.py Hello JANOG!!! • io ml • s CA8 a p S CA8 g n {t O H I
56. : 5 A ., .215 : -: : 82 10 1 • • S • S • a • H • U • T c • : C • I O • S •
57. 6 5 A ., . 25 - 6 8 621 2 $ python3 sample_print.py Hello JANOG! C C IH print("Hello JANOG!") 18 0 6 C IH
58. 
     8 , - 0 7 = . C =A 7 ,= a = 1 # a: int  b = 1.1 # b: float  print(a) print(b) print(‘-----’) c = a + b # c: float  print(c) $ python3 sample_number.py 1 1.1 ----- 2.1 IH S IH 1 T2 U O (Cint a;float b;)"
     !  ( # ) A 7 =C 57
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     = 8 ., .5 - A 8 5 8 c = “text” # ‘“  $
    (,#
    d = "" #)-%+&0  #Python3  ! Unicode+&0  "
    #Python2  !ASCII u"" .'*/
    print(c) print(d) $ python3 sample_string.py text  = 52 8 = 0 S1 T C U C I H I H O
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     = C 9 8A , - 0 58 = .= A9= 95 , 5 router_list = ["router_A", "router_B", "router_C"] #  print(router_list) # 0
    1 print(router_list[1]) #  (len) print(len(router_list)) $ python3 sample_list.py ['router_A', 'router_B', 'router_C'] router_B 3 9 A C IH O 1 2 S 1 S S 2
61. 
     :8 , - 0 = . C : =A : ,= $ python3 sample_dictionary.py router_A 15.1 TS 1 2 [U H OH H OH I #
    key
    value  router_info = { "hostname" : "router_A", "os" : "junos", "version" : "15.1", } #   print(router_info["hostname"]) #   print(router_info["version"]) A 6: : =
62. A 6 . . 26 - 8 21 2 $ python3 sample_if.py num is two num = 2 if num == 1: print("num is one") elif num == 2: print("num is two") else: print("num is the others") 1 8 0 A U T c ,A 6 PCmU T Tai 21 PleH _ f O gI Ch Sfn
63. 3 ., .21 8 - 6 8 2 10 81 H IA C O U #  
     
     router_list = [”router_A”, ”router_B”] # router_list
    router_name  for router_name in router_list: print(router_name) $ python3 sample_for_2.py router_A router_B #  
     
     # range(3) = 0,1,2 for num in range(3): print(num) $ python3 sample_for_1.py 0 1 2 H IA TS O U sample_for_1.py sample_for_2.py
64. 
     C I C HA # 
    :"r" file1 = open("sample_read.txt", "r") text = file1.read() #  ! print(text) file1.close() # 
    :"w", 
    :"a" file2 = open("sample_write.txt", "w") file2.write("Good!") file2.close() $ python3 sample_file.py Hello JANOG! from sample_read.txt How are you feeling? sample_file.py   [   : sample_read.txt] Hello JANOG! from sample_read.txt How are you feeling? [   : sample_write.txt] Good! C I C HA 3 ., .21 8 - 6 8 2 10 81
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66. 
      A C A CH I #  ! # $
    # OS show bgp summary# def get_show_bgp_summary(router_info): if router_info["os"] == "junos": command = "show bgp summary" elif router_info['os'] == 'ios': command = "show ip bgp summary" else: command = “N/A” return command # " router_info = { "hostname" : "router_A", "os" : "junos" } # router_info 
       command = get_show_bgp_summary(router_info) print(command) $ python3 sample_function.py show bgp summary sample_function.py 5 ., .21 8 - 6 5 8 2 510 81
67. 
     • S] h ch n I I r • P r f S S] n el • o = S] • h [ i (i 6 i O • ch = de el 6 : dael , 66          =  () #    .  #  
    . () # 
    )
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      ., .21 8 - 6 8 72 10 81 class Router: # &+$: '#% " +$
    def __init__(self, hostname, os, version): #  $:  ( $
    self.hostname = hostname self.os = os self.version = version # show bgp summary*
    def get_show_bgp_summary(self): if self.os == "junos": command = "show bgp summary" elif self.os == 'ios': command = "show ip bgp summary" else: command = 'N/A’ return command # Router '# router_A = Router(hostname="router_A", os="junos", version="15.1") router_B = Router(hostname="router_B", os="ios", version="15.7(3)M") #   Router !)+$  print(router_A.hostname) command = router_A.get_show_bgp_summary() print(command) print(router_B.hostname) command = router_B.get_show_bgp_summary() print(command) $ python3.6 sample_class.py router_A show bgp summary router_B show ip bgp summary A C A CH I sample_class.py
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71. A ( , - 0 2 . 8 ) 21 , 2 $ pip3 list Jinja2 (2.9.6) . . . $ pip3 install jinja2 S H HOI C 7 71 H HOI C HOI C T H U (
    ) *& 
    venvvirtualenv",* #  pip %'( ( $+)! ) https://docs.python.jp/3/library/venv.html
72. $ pip --version pip 9.0.1 from /Library/Frameworks/Python.framework/Versions /2.7/lib/python2.7/site-packages (python 2.7) $ pip2 --version pip 9.0.1 from /Library/Frameworks/Python.framework/Versions /2.7/lib/python2.7/site-packages (python 2.7) $ pip3 --version pip 9.0.1 from /Library/Frameworks/Python.framework/Versions /3.6/lib/python3.6/site-packages (python 3.6) c m H go- O i ,.srOT S P a I tnlh H e U (
    ) : pip 
     Python setuptools  pip http://www.lifewithpython.com/2012/11/Python-package-setuptools-pip.html A8 a up C , 0 32 . 7 83 21 2
73. 
     - . -20 8 , 8 72 0 80 # datetime   
     import datetime # datetime  
    datetime now  now = datetime.datetime.now() print(now) $ python3 sample_library.py 2017-11-15 14:25:56.360603 sample_library.py    1 2 72 HA C I
74. 
     A M 7 ) I L7 ) 7 3( L I P ) : JSON
    https://thinkit.co.jp/article/70/1
75. 
     ( 8 ) - 0 ,4 7 2 C A 7 - [ { "router_name": "Router_A", "ip": "192.168.0.1", "os": "junos" }, { "router_name": "Router_B", "ip": "192.168.0.2", "os": "ios" }, { "router_name": "Router_C", "ip": "192.168.0.3", "os": "iosxr" } ] $ python3 sample_json.py [{'router_name': 'Router_A', 'ip': '192.168.0.1', 'os': 'junos'}, {'router_name': 'Router_B', 'ip': '192.168.0.2', 'os': 'ios'}, {'router_name': 'Router_C', 'ip': '192.168.0.3', 'os': 'iosxr'}] ----- 192.168.0.1 .20 c S HN OJ N TU .A S P P 1 h HNe O ag iIJ U g h sample_json.json   import json file = open("sample_json.json", "r") # file  json
     routers_list = json.load(file) print(routers_list) print(”-----") print(routers_list[0]["ip"]) sample_json.py
76.  
       J J a 57 J P ) J 7 )( 2 <html> <body> <h1> {{ title }} </h1> <p> {{ body }} </p> </body> </html> title = “Web page 1” body = “Hello! World!” {{  }} :  {% if  %} : if {% endif %} {% for  in  %} : for {% endfor %} {# #} :    [ 
    (Jinja2)] HTML    
    
77.  
       ( C 867A ) -1 ,2 1 7 0 A8 8 - interface {{ if_name }} description {{ if_description }} ip address {{ ip4 }} {{ ip4_subnet }} duplex auto speed auto no shutdown ! I J O .8 U import jinja2 # ! file = open("sample_template.jinja2", "r") template_txt = file.read() # 
        template = \ jinja2.Environment().from_string(template_txt) # 
     " config_txt = template.render( if_description="To_RouterA", if_name="fastethernet 1/1", ip4=“192.168.0.1”, ip4_subnet="255.255.255.0") print(config_txt) $ python3 sample_template_1.py interface fastethernet 1/1 description To_RouterA ip address 192.168.0.1 255.255.255.0 duplex auto speed auto no shutdown ! sample_template.jinja2 sample_template_1.py H ST  
78. ( ( ( ) interface {{ if_name }} description {{ if_description }} ip address {{ ip4 }} {{ ip4_subnet }} duplex auto speed auto no shutdown ! 2 () interfaces = [ { "if_description" : "To_RouterA", "if_name" : "fastethernet 1/1", "ip4” : "192.168.0.1", "ip4_subnet” : "255.255.255.0" }, { "if_description" : "To_RouterB", "if_name" : "fastethernet 1/2", "ip4" : "192.168.1.1", "ip4_subnet" : "255.255.255.0" }, { "if_description" : "To_RouterC", "if_name" : "fastethernet 1/3”, "ip4" : "192.168.2.1", "ip4_subnet" : "255.255.255.0" } ] for interface in interfaces: config_txt = template.render(interface) print(config_txt) $ python3 sample_template_2.py interface fastethernet 1/1 description To_RouterA ip address 192.168.0.1 255.255.255.0 duplex auto speed auto no shutdown ! interface fastethernet 1/2 description To_RouterB ip address 192.168.1.1 255.255.255.0 duplex auto speed auto no shutdown ! interface fastethernet 1/3 description To_RouterC ip address 192.168.2.1 255.255.255.0 duplex auto speed auto no shutdown ! 7 sample_template.jinja2 sample_template_2.py 
    
79. 
     7 8 text = “Today is Sunday” pettern = ”Today is (.+)” .:  & (*1( +: $ '#   ) (): 
     match = re.search(pettern, text ) #  !" % match.group(0) # =>Today is Sunday #   
     % match.group(1) # =>Sunday
80. 
    
     import re # :-' <(> # show version*'%16 show_version_txt = """ Hostname: vsrx Model: firefly-perimeter JUNOS Software Release 12.1X47-D15.4 """ # .#8& # ():  # . : !'" 7 <(>1<( # + : 5/ .#8& 3
     , $= regex = "JUNOS Software Release (.+)" # show_version_txt <(> 3
    # .#8& <(> 4+*' match = re.search(regex, show_version_txt ) #  <(<(>028) print(match.group(0)) print(”--------------------") #  <(>   9;4+ print(match.group(1)) sample_regex.py $ python3 sample_regex.py JUNOS Software Release 12.1X47-D15.4 -------------------- 12.1X47-D15.4  
81. 
     • s i g ur h Ug c • H S Ug h Ug A h Ug • ur o rh O t • yn • g cA n h g OA ur ur h O Ug • g h Ug Ap C g p ©h SeUO g • ur o rh O t • ur o rh O A l Ig • ur o rh Ua A m e T Ug : ., .21 8 - > 8 2 10 81
82. 
      def hello(num): if num == 1: message = “Hello” elif num == 2: message = “Good bye” else: message = “No message” return message # hello(1) 
    #  ”Hello”  assertEqual(hello(1), “Hello”) # hello(2) 
    #  “Good bye”  assertEqual(hello(2), “Good bye”) # hello(-1)
    #  ”No message”  assertEqual(hello(-1), “No message”) # hello(“abc”) 
    #  ”No message”  assertEqual(hello(“abc”), “No message”) H C A H 8 12 , - ,0 2 0 .
83. 
      8 12 , - ,0 2 0 . def add(x, y): sum = x + y return sum sample_unittest.py C O I C I import unittest import sample_unittest class TestSample(unittest.TestCase): def test_add(self): actual = sample_unittest.add(1,2) expected = 3 self.assertEqual(actual, expected) if __name__ == "__main__": unittest.main() tests/test_sample_unittest.py ├── sample_unittest.py └── tests └── test_sample_unittest.py H A
84. 
      python3 -m unittest tests.test_sample_unittest . ---------------------------------------------------------------------- Ran 1 test in 0.000s OK 3 8 python3 -m unittest tests.test_sample_unittest F ====================================================================== FAIL: test_add (tests.test_sample_unittest.TestSample) ---------------------------------------------------------------------- Traceback (most recent call last): File ”xxx/tests/test_sample_unittest.py", line 12, in test_add self.assertEqual(expected, actual) AssertionError: 3 != 4 ---------------------------------------------------------------------- Ran 1 test in 0.000s 3 8 () (
    ) python3 –m unittest +/ (  %# !,  &$
    test * "__init__.py')-.
85.    
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88. 
        • C e ae t • .. / 7 e ae O , ch • cg h n e ae t • cg h n y s Cg t A /- 0 / 2 . 7 8 21 2 ur U t S n n e ae omp tp iOi l H L I TL
89. 
        • ) : S • ) ( • O 8 : Cisco Router Juniper Router Arista Router Cisco 
     Juniper 
     Arista 
    
90.  
      Manufacturer OS Library Language OS version Cisco IOS / IOS-XE One Platform Kit (OnePK) C, Java, Python ASR1000: 3.12 -3.17(EoL) YANG Development Kit(YDK) Python, C++ 16.5.1 later IOS-XR One Platform Kit (OnePK) C, Java, Python ASR900: 5.1.2 - 5.3.3(EoL) ASR9000: 5.1.1 - 5.3.3(EoL) YANG Development Kit(YDK) Python, C++ 6.0.0 later NX-OS One Platform Kit (OnePK) C, Java, Python Nexus9000: all version Nexus6000: - 7.2(EoL) NX-API Web GUI, HTTP/HTTPS Nexus9000: all version Nexus7000: 7.2(0)D1(1) later Nesus6000: 7.2(0)N1(1) later Juniper JUNOS PyEZ Python 11.4 later Juniper Extension Toolkit(JET) Python 16.2 later Extreme (ex-Brocade) Network OS PyNOS Python 5.0.1 later Arista EOS pyeapi, rbeapi, goeapi Python, Ruby, Go 4.1.2 later EOS SDK C++, Python all version O 8 , 8 9 S 8 ,
91. : / • l c X 552 69 9 t nC • /43X r ST L l C • r i Xe s H C D xIp • . 1 : 9 9 - Cisco Router SSH/Telnet 
     show version (Cisco Command) Juniper Router SSH/Telnet 
     show version (Juniper Command) Hostname: vsrx Model: firefly-perimeter JUNOS Software Release [12.1X47-D15.4] . . . i E ( X i E 7), 0 ) X Thu Jan 18 02:03:05.771 UTC Cisco IOS XR Software, Version 6.2.1.23I Copyright (c) 2013-2016 by Cisco Systems, Inc. . . .
92.  
       import Exscript # SSH
    (*:pip3 install exscript) import re # "( username = "user1" password = "password1" ip4 = "192.168.33.3" # SSH + session = Exscript.protocols.SSH2() session.connect(ip4) #   account = Exscript.Account(name=username, password=password) session.login(account) #   $!
    ,' session.execute("show version") result = session.response print(result) print("----------") # "( )& pattern = "JUNOS Software Release \[(.+)\]" match = re.search(pattern, result) version = match.group(1) print(version) # SSH #% session.send("exit") session.close() sample_exscript_show.py $ python3 sample_exscript_show.py show version Hostname: vsrx Model: firefly-perimeter JUNOS Software Release [12.1X47-D15.4] ---------- 12.1X47-D15.4  1() ) ,
93. ) ( print(”===== Step 1. run show command =====") session.execute("show configuration interfaces ge-0/0/1") print(Fore.YELLOW + session.response) # Fore.YELLOW :   print("===== Step 2. configure =====") session.execute("configure") config_txt = "set interfaces ge-0/0/1 disable" session.execute(config_txt) print(Fore.YELLOW + session.response) #    print("===== Step 3. commit check =====") session.execute("show | compare") print(Fore.YELLOW + session.response) session.execute("commit check") print(Fore.YELLOW + session.response) print("===== Step 4. commit =====") print("Do you commit? y/n") # 
    y or n choice = input() if choice == "y": session.execute("commit") print(session.response) else: session.execute("rollback") print(session.response) session.execute("exit") print(session.response) print("===== Step 5. run show command(again) =====") session.execute("show configuration interfaces ge-0/0/1") print(Fore.YELLOW + session.response) $ python3 sample_exscript_set.py ===== Step 1. run show command ===== show configuration interfaces ge-0/0/1 unit 0 { family inet { address 10.0.1.1/24; } } ===== Step 2. configure ===== set interfaces ge-0/0/1 disable ===== Step 3. commit check ===== show | compare [edit interfaces ge-0/0/1] + disable; commit check configuration check succeeds ===== Step 4. commit ===== Do you commit? y/n y commit commit complete exit Exiting configuration mode ===== Step 5. run show command(again) ===== show configuration interfaces ge-0/0/1 disable; unit 0 { family inet { address 10.0.1.1/24; } } sample_exscript_set.py()   : sample_exscript_set.py
     , ( 2)
94. • IF/ 2 3 - C 9F E • l • egm SwyTn rU a ot • .I - 8 cTMNO E H C F T i NVsx p u h +) - C F ( 1 -0 A F AE , 9 1A
95.  
        • hra S t okM v C • mec P o o C • Pn u r eX s NO L wC • w mec O i C • ) . , . 9 • o o • ) 4 . A 1 4 46 3 3: 3 : A . 2 ( NAPALM 
     Cisco Router Juniper Router Cisco 
     Juniper 
     get_network_driver(”iosxr") get_facts()[‘os_version’] 12.1X47-D15.4 get_network_driver("junos") get_facts()[‘os_version’]
96. 
    
     • r y n b laU u 8P IH o • J . H J F A AI EI H F EHA O F • J . CE N I H J F # N I EIH HJ F • ig la R Tt m d d Xc S r n R e r n m • . • / E 1 : ) 2 F 5NHEJ 5 6 : ( F 0E I 4 :# 9 F 6 : F 4 : ( ) ( F • Tp o Uhe RsTx T n o c a d S • di aR S • . J. H J F A AI EI H F NJJI EHA O F # H JI # CN H - 0IJP EC ( , 4 0 HI#:IFN EIH / E 4H
97. 
    
      ) A 6 ( -0. ,1 0 6 8 9 2 - # NAPALM  # : pip3 install napalm) import napalm from pprint import pprint # JUNOS    driver = napalm.get_network_driver("junos") device = driver( hostname="192.168.33.3", username="user1", password="password1" ) #   ! device.open() #  fact = device.get_facts() pprint(fact) # pprint:  
     print("----------") # 
    () print(fact["os_version"]) device.close() sample_napalm_show.py $ python3 sample_napalm_show.py {'fqdn': 'vsrx', 'hostname': 'vsrx', 'interface_list': [ 'ge-0/0/0', 'ge-0/0/1', 'ge-0/0/2', . . . , 'vlan'], 'model': 'FIREFLY-PERIMETER', 'os_version': '12.1X47-D15.4', 'serial_number': '83f144ddd4f7', 'uptime': 8309, 'vendor': 'Juniper'} ---------- 12.1X47-D15.4  H C H I
98. ) ( . . . print("===== Step 1. run show command =====") print("Interface Status: ", end="") if device.get_interfaces()["ge-0/0/1"]["is_up"] == True: status_before = ”UP" elif device.get_interfaces()["ge-0/0/1"]["is_up"] == False: status_before = ”DOWN" print(Fore.YELLOW + status_before) print("===== Step 2. configure =====") device.load_merge_candidate(filename="./sample_config_junos.txt") print("OK") print("===== Step 3. compare configuration =====") print(Fore.YELLOW + device.compare_config()) print("===== Step 4. commit =====") print("Do you commit? y/n") choice = input() if choice == "y": print("Commit config: ", end="") device.commit_config() print("OK") else: print("Discard config: ", end="") device.discard_config() print("OK") print("===== Step 5. run show command(again) =====") print("Interface Status: ", end="") if device.get_interfaces()["ge-0/0/1"]["is_up"] == True: status_after = ”UP" elif device.get_interfaces()["ge-0/0/1"]["is_up"] == False: status_after = ”DOWN" print(Fore.YELLOW + status_after) interfaces { ge-0/0/1 { disable; } } )( sample_napalm_set.py() $ python3 sample_napalm_set.py ===== Step 1. run show command ===== Interface Status: UP ===== Step 2. configure ===== OK ===== Step 3. compare configuration ===== [edit interfaces ge-0/0/1] + disable; ===== Step 4. commit ===== Do you commit? y/n y Commit config: OK ===== Step 5. run show command(again) ===== Interface Status: DOWN 
    sample_config_junos.txt
99.  
        • 9t W A : O i O : • ln e N . N W As 9 A N : b a S : • t 9 i kc N A W: • . , N A : N : • ) 6 3 2 8 8 1 ( Ansible 
     (playbook) Cisco Router Juniper Router Ansible iosxr Module Ansible junos Module iosxr-facts debug: var=ansible_net_version junos-facts debug: var=ansible_net_version 12.1X47-D15.4
100. 
      • lepl dh b cuY ERUNPJ 5N S E _ i y ol HRRO NC AM I E CNL AM I E ARE R I R NF MERUNPJ LN S E HRL • O A NNJ wx 5 kh v • y ol • : • 2 : 2 : 9 : : . : /( /NPRI : 2 SLN EMNTN ERTI NP OEM UIRCH P MAMCE T 8AMN :PN N • • krfh knsga t • ,M I E im CNPE LN S E 0A AV LN S E k • im,MI E v -NO PIGHR X ) 2 -1 ECHMN :N SRINM ,LEPICA 2MC
101. () ) 8 2 ? - . -10 8 ,8 8 1 0 0 HA C pip3 install ansible pip3 install ncclient #
     junos - hosts: vsrx1 connection: local gather_facts: no tasks: - name: Get basic information junos_facts: - name: show model name debug: var=ansible_net_model - name: show serial number debug: var=ansible_net_serialnum - name: show version debug: var=ansible_net_version [vsrx1] 192.168.33.3 [vsrx1:vars] ansible_ssh_user=user1 ansible_ssh_pass=password1    hosts playbook junos_show_1.yaml I $ ansible-playbook -i hosts junos_show_1.yaml PLAY [vsrx1] ************************************* TASK [Get basic information] ********************* ok: [192.168.33.3] TASK [show model name] *************************** ok: [192.168.33.3] => { "ansible_net_model": "firefly-perimeter" } TASK [show serial number] ************************ ok: [192.168.33.3] => { "ansible_net_serialnum": "83f144ddd4f7" } TASK [show version] ****************************** ok: [192.168.33.3] => { "ansible_net_version": null } PLAY RECAP *************************************** 192.168.33.3 : ok=4 changed=0 unreachable=0 failed=0  ≈
102. () 8 12 , - ,0 2 0 . [vsrx1] 192.168.33.3 [vsrx1:vars] ansible_ssh_user=user1 ansible_ssh_pass=password1 
      hosts - hosts: vsrx1 connection: local gather_facts: no tasks: - name: send command "show version" junos_command: commands: show version register: result #  "result"
      - name: show result debug: var=result.stdout_lines playbook
      junos_show_2.yaml $ ansible-playbook -i hosts junos_show_2.yaml PLAY [vsrx1] *************************************** TASK [send command "show version"] ***************** ok: [192.168.33.3] TASK [show result of "show version"] *************** ok: [192.168.33.3] => { "result.stdout_lines": [ [ "Hostname: vsrx", "Model: firefly-perimeter", "JUNOS Software Release [12.1X47-D15.4]" ] ] } PLAY RECAP ***************************************** 192.168.33.3 : ok=2 changed=0 unreachable=0 failed=0 A
103. 
         H n • • H 01 e O h • T Ii 11- 2 A n ,/.s © • ,/. Sh aS • s Sh Ig sH O h ( n • H a r LS • s m Hu o l eh s m O H c c • H n c Sh ) H • sH Sh TU n • s m H eh • o H nyt H c Sh • iT pH Ig ny • H 01 e H , C 8A .20,-3 2 8 1 A 4 .
104. 
      • rI P h p t P u P • , 8 A • h p t P u • l m imn • -- m imn • oc m imn • oc e o • t u O U A UH C P IS O • T s t C y P I • T t P I m imn • T a g I • T I uO I 3 . .21 8 - 8 2 10 81