Jason Rahm, Sr. Solution Architect

Tim Rupp, Sr. Software Engineer

May 2008:pyControl v1

Dec 2009: pyControl v2

Nov 2012: bigsuds

Mar 2016: f5-common-python

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1. Break the cycle• Another Engineer, another SDK. No more SDKs• Act as a layer of abstraction to fix what cannot, or will not, be fixed• Convention convention convention

2. Integrate seamlessly across the entire product line• BIG-IP• BIG-IQ• iWorkflow

3. Meet the new expectations of the customer that have been brought about by the cloud

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• Small team with limited resources• Large code-bases and hundreds of customers• Automated test infrastructure to watch Pull Requests (PRs)• Chat bots to provide notifications and feedback

Conventions• Limit the self-commits. Strive to eliminate them• Identify patterns in code to make development more rapid• Stick to coding conventions to eliminate developer ramp-up time

nd functional tests• All major releases 11.5.4 to present • Code coverage• ReadTheDocs documentation• Slack channels for quick communication

Tooling• tox, pytest, OpenStack heat, Jenkins Pipeline, Hubot, Github and Gitswarm• Coding conventions, Python, examples and real product used by real customers

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ManagementRoot tmcm...

ltmgtmasmnetsys...

authpoolsvirtualsvirtual_address_s

create load update

virtualpolicies_sprofiles_srules

policies

deletecreate load update delete

Pythonmgmt = ManagementRoot(‘localhost’, ‘admin’, ‘admin’)virtual = mgmt.tm.ltm.virtuals.virtual.create(

name=‘my-virt’, destination=‘10.10.10.10:443’)

HTTPPOST http://localhost/mgmt/tm/ltm/virtual/{”name”: “my-virt”,“destination”: “10.10.10.10:443”

}

Becomes

Method HTTP Command Actioncreate() POST Creates a new resource on the device with its own URI

exec_cmd() POST Used to run commandsupdate() PUT Submits a new configuration for the device resource; sets the

resource attributes to the state reported by the devicemodify(**kwargs) PATCH Submits a new configuration to the device resource; sets only

the attributes specified in kwargsget_collection() GET Gets the resources in a collection

refresh() GET Obtains the state of a device resource; sets the representing python resource object; tracks device state via its attributes

load() GET Obtains the state of an existing resource on the device; sets the python resource object attributes to match that state

exists() GET Checks for the existence of an object on the devicedelete() DELETE Removes the resource from the device

MACDADDY:~ rahim$ virtualenv venvNew python executable in venv/bin/pythonInstalling setuptools, pip, wheel...done.MACDADDY:~ rahim$ . venv/bin/activate(venv)MACDADDY:venv rahim$ pip install f5-sdk...Successfully installed f5-icontrol-rest-1.3.0 f5-sdk-2.3.1 requests-2.13.0 six-1.10.0(venv)MACDADDY:venv rahim$ pythonPython 2.7.10 …>>> from f5.bigip import ManagementRoot>>> b = ManagementRoot('ltm3.test.local', 'admin', 'admin')>>>>>> b = ManagementRoot('ltm3.test.local', 'admin', 'admin', token=True)>>>

• https://github.com/F5Networks/f5-common-python

Slack• f5-common-python.slack.com

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