161027 net opscoding-junos-automation

1 Copyright © 2016 Juniper Networks, Inc. www.juniper.net
JUNOS AUTOMATION その1
～OVERVIEW & PYEZ ～
Regional PLM/TME 塚本広海
2016/10/27
NetOpsCoding #4

LEGAL STATEMENT
This statement of direction sets forth Juniper
Networks’ current intention and is subject to
change at any time without notice. No purchases
are contingent upon Juniper Networks delivering
any feature or functionality depicted in this
presentation

ジュニパーネットワークス
SECURITYSWITCHINGROUTING
PERFORMANCE
AUTOMATION

THE NEXT TRANSFORMATION IN NETWORKING
TCP/IP
EARLY 1980’S LATE 1990’S TODAY
PACKET
FORWARDING
ENGINE
AUTOMATION
ONLINEPOPULATION:
Tens of Thousands
ONLINE POPULATION:
Hundreds of Millions
ONLINE POPULATION:
Billions

AUTOMATION - CATEGORY
Domain Automation
Network Automation
Platform Automation
<SLAX>

AUTOMATION – WW USER PYRAMID
SP Tier 1SP Tier 1
SP Tier 2/3SP Tier 2/3
ENT – FinancialENT – Financial
ENT – Federal/PublicENT – Federal/Public
ENT – StrategicENT – Strategic
ENT – Other EnterprisesENT – Other Enterprises
OTT
Web 2.0
API/programmable
積極的開発
開発消極的
シンプルなツール活用

DC
DC
EdgeCoreEdge
AUTOMATION - DOMAIN
Access
Aggregation

DC
DC
EdgeCoreEdge
JUNIPER AUTOMATION DOMAIN & MANAGEMENT
Access
Aggregation
Security Director
Network Director
Connectivity Services Director
Edge Services
Director
Northstar ControllerNorthstar Controller ContrailContrail
Contrail ServiceContrail Service
Orchestrator
オンボックス & オフボックス
オートメーションの提供
SPACE

 Programmable Interface(API)
 Structured operation data(JSON,XML)
 Device configuration in structured format(JSON,XML)
 Atomic configuration changes
 Configuration Rollback
 Configuration Replace
 Configuration Diff
 Support for industry-standard models (IETF, OpenConfig)
NETWORK AUTOMATION RFP REQUIREMENTS
All Pass : JUNOS

JUNOS
AUTOMATION
STACK

Data Plane (PFE)Chassis
XML-RPC
NETCONF Junoscript
SNMP
RO
Junos Platform Automation
Stack
PyEZ Framework
Ansible
Python
Scripts
Python
Scripts
Salt*
RubyEZ Library
Puppet
Ruby
Scripts
Ruby
Scripts
Chef
Python / SLAX
CLIRA*CLIRA*JSNAPJSNAP
THRIFT
JET API
REST CLI
jVision
Sensor
JUNOS AUTOMATION STACK

STAGES OF AUTOMATION IN NETWORKING
構築
設定運用

PROGRAMMATIC CONTROL & AUTOMATION
構築設定
ZTP
運用
Netconify
OpenClos
OpenConfig
Netconf/Restful
PyEZ
Ansible
Puppet
Chef
Ansible
OpenConfig
Junos Telemetry
Netconf
Message Bus
JSNAP
Junos Script
PyEZ

シンプルに
JUNOSを操作する
オープンソース Pythonライブラリ
”Built for the networking engineer”
PyEz

PYTHONEZ FRAMEWORK
Build Simple to Complex Applications
IT FrameworksPython Shell Python script
Custom
Applications
Open Source – Maintained by CommunityNETCONF Client (NCCLIENT)
NETCONF TRANSPORT ONLY VENDOR AGNOSTIC NO ABSTRACTIONS
Open Source – Maintained by Juniper
"snippets"
(no variables)
"templates"
(merge variables)Resources Tables
Configuration Changes Operational State
Junos Python EZ (Junos PyEZ)
JUNOS SPECIFIC ABSTRACTION LAYER MICRO-FRAMEWORK
Views

情報取得
設定変更
OS
ユーティリティ
マネージメント
ユーティリティ
• 事前定義された基本情報 facts
• YAML定義のTable and View
• RPCによるshowコマンド
• Config ASCII text, junos setコマンド, XML,
• Jinja2 Template objectsテンプレートベース
• OS インストール、再起動、シャットダウン etc
• コンフィグ比較、レスキューコンフィグ、
コンフィグ変更のアップetc
PyEZ でできること

少ないコード数で簡単に
Raw python – 48行 PyEz– 7行
show version取得 – factsサンプル-
import paramiko
import socket
import time
import sys
ssh = paramiko.SSHCient()
ssh.set_missing_host_key_policy(
paramiko.AutoAddPolicy())
CLOSE = """
<rpc>
<close-session/>
</rpc> """
SOFT_ADD = """
<rpc>
<get-software-information/>
<rpc/>"""
socket = socket.socker(socket.AF_INET,socket.SOCK_STREAN)
socket.connect(("10.10.11.129",830))
trans = paramiko.Transport(socket)
trans.connect(username="xxx", password="xxx")
#CREATE CHANNEL FOR DATA COMM
ch = trans/open_session()
name = ch.set_name('netconf')
#Invoke NETCONF
ch.invoke_subsystem('netconf')
#SEND_COMMAND
cf.send(SOFT_ADD)
#Receive data returned
data = ch.recv(2048)
while data:
data = ch.recv(1024)
print data,
if data.find('</rpc-reply>') == 0:
#we have reached the end of reply
ch.send(CLOSE)
ch.close()
trans.close()
socket.close()
from jnpr.junos import Device
from jnpr.junos.op.routes import
RouteTable
dev = Device(host='10.0.0.243',
user='vsrx', password='srx123',
port='22')
dev.open()
print(dev.facts)

1. JUNOS verup
2. Config変更
(setコマンド読込)
3. Routing table情報
(Table and View活用)
PyEzサンプル

ユースケース1:誰でも使えるWEBアプリ
機器の一覧表示と、showコマンド等の実行
設定一括投入
OSインストール
サポート情報(RSI)取得結果の一覧
OSイメージ管理
• 誰でも簡単に情報取得が可能。
• Vlan追加などの定型設定追加など。

ユースケース2 : ノード追加時の設定テンプレート
system {
host-name switch-14-02-42-01;
domain-name mycorp.net;
backup-router 10.176.31.1 destination 10.0.0.0/8;
time-zone America/Los_Angeles;
}
Junos Configuration
system {
host-name ${Hostname};
domain-name mycorp.net;
backup-router ${BackupRouter}
￥destination 10.0.0.0/8;
time-zone ${TimeZone};
}
Config Template
Template
Repository
Expert
1.
新規ノード
Hostname: NEW-NODE
BackupRouter: 10.176.31.2
TZ: Tokyo/Japan
新ノード情報
エキスパートが
商用Configを作成
JINJA2テンプレートで
templateを作成
新規ノード追加時、
テンプレートと固有情報から
Configを簡易に生成
１
２
３
Non-expert
2.
3.

ユースケース3:外部システム連携
Security Routing Switching

CUSTOMER AUTOMATING
HISTORICAL Currently In the future…
Monitoring
特定箇所の監視
Installation
コンソールの解放
Upgrades
設定追加
Provisioning
繰返しからの解放
This slide is not an accurate description of all our customers as we have customer who do not automate at all and others who live in a culture where
everything should be automated. This slide is meant to show trends and where the tipping point in automation is at today.
Orchestration
ドメインの拡大
DevOps
即時評価&展開
Autonomous
自己回復,予兆検知

* Based on queries posted by their employees on Google Group
PyEZ users*

PyEZリファレンス
Github :
Pyez-examples
O’REILLY Book
https://github.com/vnitinv/pyez-examples
Google group
Junos Python EZ
http://forums.juniper.net/t5/Automation/Where-can-I-learn-more-about-Junos-PyEZ/ta-p/280496
TechWiki
Youtube
PythonEZ (PYEZ) – BasicsJuniper doc

SUMMARY
JUNIPER ♥ Automation & NetOps
活用事例やJunos automationの期待など
意見交換、発表お願いします

イベント告知
OpenContrail Meet-Up
12月初旬に実施予定
LT募集

END

161027 net opscoding-junos-automation

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