Cisco config parser python


Assuming you are using scrapli to connect to one of the five "core" platforms, you should almost always use the provided corresponding "core" driver. You can select this driver "manually" or using the scrapli factory Scrapli or the async scrapli factory AsyncScrapli.

If you would rather use the factory class to dynamically select the appropriate driver based on a platform string as seen in the above tableyou can do so as follows:. Note that the Scrapli and AsyncScrapli classes inherit from the NetworkDriver and AsyncNetworkDriver classes respectively, so all editor code completion and type indicating behavior should work nicely!

In general you should probably simply create a scrapli community platform read about adding a platform herebut failing that the GenericDriver is probably the simplest path forward. Note: if you are using async you must set the transport to asyncssh or asynctelnet! The drivers of course need some information about the device you are trying to connect to. The most common arguments to provide to the driver are outlined below:.

These arguments may be passed as keyword arguments to the driver of your choice, or, commonly are passed via dictionary unpacking as show below:. Please see Driver Privilege Levels in the advanced usage section for more details on privilege levels. As the GenericDriver doesn't know or care about privilege levels you would need to manually handle acquiring the appropriate privilege level for you command yourself if using that driver.

This method excepts the provided file to have a single command to send per line in the file. The MultiResponse object is for all intents and purposes just a list of Response objects with a few very minor differences. If parsing fails, the value returned will be an empty list -- meaning you will always get "structured data" returned, however it will just be an empty object if parsing fails. Please see the Driver Privilege Levels section for more details! This of course requires installing TextFSM and having ntc-templates somewhere on your system.

When using a platform driver i. This method will attempt to find the template for you -- based on the textfsm-platform and the channel-input the command sent.

If textfsm parsing succeeds, the structured result is returned. If textfsm parsing fails, an empty list is returned. The scrapli. This can be useful if you have custom or one off templates or don't want to pip install ntc-templates.Find centralized, trusted content and collaborate around the technologies you use most.

Connect and share knowledge within a single location that is structured and easy to search. I have a regex to match the Interface elements into a group, but not how to look within that group. Can anyone help? You should use ciscoconfparse Then parse. Another way how this task can be addressed is to use TTP module which I am the author of with match results filtering, for instance this code:.

ciscoconfparse 1.6.13

TTP parses text data that OP provided to extract interfaces and policies attached to them, without any filtering these results would be produced:. However, above code will not produce list of interfaces as requested by OP until you apply one more TTP groups function - "itemize" - which will create a list of items out of group results, e. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Using python, to parse cisco configuration files to find interfaces with specific service policy Ask Question. Asked 8 years, 3 months ago. Active 5 months ago. Viewed 11k times. A sample data might be as such: I have a regex to match the Interface elements into a group, but not how to look within that group.

Deep6 Deep6 29 1 1 gold badge 1 1 silver badge 4 4 bronze badges. You should put the regex you're using in your question. What do you want to search for within that group? I wanted to return just the Interface line for lines matching the identified service policy.

I built something that works, but there's probably a better way! Add a comment. Active Oldest Votes. Answer: You should use ciscoconfparse Mike Pennington Mike Pennington Armali Armali This is a fantastic piece of regex. Thanks for sharing. Sign up or log in Sign up using Google.

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The Overflow Blog. Favor real dependencies for unit testing. Featured on Meta. Congratulations to the 59 sites that just left Beta. RelatedMy name is Kirk Byers. I run various courses teaching Python, Nornir, and Ansible to network engineers.

I run various courses teaching Python and Ansible to network engineers. This series of video discusses the Template Text Parser TTP library and how it can be used to parse the semi-structured data that we receive back from network devices.

In the videos, I explain the hidden regular expression patterns assumed in TTP and how you can modify them to work around some basic parsing problems. In these videos, I parse network device configurations using TTP. This includes discussing named groups, the start of group processing, and how order affects group results.

Sign-up for our email-list and receive this free email course starting on March 8th. This series flash lg k4 video provides an introduction to Python classes and objects with a network engineering bent.

It discusses why you might want to use classes, basic class structure, the use of 'self', and creating class methods. This series of video discusses Python class inheritance including creating a class hierarchy, method resolution order, and using super to invoke methods in a parent class. In an earlier post, we created and executed our first action in Stackstorm. The action didn't do much, however.

It was just a simple script that printed a message. In this article, we'll ramp things up a bit and execute an action based upon on a "trigger". A "trigger" is a Stackstorm term that pretty much does what you expect! A trigger will get Previously, we configured Nagios to send a webhook to StackStorm.

This will notify StackStorm of any downed hosts and will include the hostname in the Nagios message. In response to this event, StackStorm is currently setup to run our simple "hello world" action. Our task now is to build not just a simple action—but a "workflow", that orchestrates the checking, remediation, and verification to confirm that the device is now back online of any failed hosts.

Let's jump right into it Writing scripts or playbooks is only one piece of the greater puzzle that is automation. When do these scripts get executed, what arguments get passed, how can they be made consumable by non-developer team members, and best of all--how can they automatically be executed in response to some event?Server Fault is a question and answer site for system and network administrators.

It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I'm trying to write a script that will pull configuration files over SSH from Cisco routers and parse them, so I can ensure that they meet predefined standards e.

Connecting to the routers and running commands programmatically is simple. The barrier I run into is that running show running config returns global configuration settings as well as settings for particular interfaces. My goal was to handle settings for interfaces differently from global settings; for example, I can ignore bad settings on interfaces that are disabled. Are there separate commands for getting global settings and getting interface definitions e.

Alternatively, is there a better way I can retrieve this information that would make it easier to parse? One such tool is ciscoconfparse docs are here Note 1.

Assuming the configuration comes in the exact format used by Cisco IOS show running-config or show startup-configciscoconfparse automatically finds the interface-level configurations for you. This means you can automate standardization of interface and global configurations This is an example switch interface configuration audit in the documentation. There are also some specialized methods which do a lot of specific value parsing for you; these methods are currently in beta - and only visible in the source code You can use a script or the python interpreter to retrieve the IP address and carrier-delay in native python representations IOS lets you see individual interface-level configs, but it's very painful when you have potentially hundreds of interfaces Depending on the image you're running, Cisco IOS allows a few other global configuration sections FYI, that's an MD5 hash for an enable password of "cisco", which you'd want to flag, if found in production Responding to this comment :.

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Is there a good way to define when an interface definition ends? It appears that all interface lines sunplus loader download indented by one space but I'm not sure if that's standard across configs.

Yes, Cisco IOS always indents child configuration elements by an extra space Note 1 Stack Exchange Disclaimer : I am the author. Since there is context in the format, you should consider parsing it contextually.The goal of this exercise is to put your skills in computer graphics to the test by projecting a complex 3D model on an AprilTag at an arbitrary position. Nagatani et al. The tag is present in Lintian version 2.

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Short answer: ciscoconfparse is a Python library that helps you quickly answer questions like these about your configurations:. You can perform complex queries about these relationships. As of CiscoConfParse 1. From github source download:.

Github workflow tests ciscoconfparse on Python versions 3. Dec 31, Dec 20, Dec 16, Dec 8, Dec 6, Dec 3, Nov 22, Nov 19, Nov 12, Nov 11, Nov 9, Nov 2, Oct 14, Oct 8, Jul 17, Jul 11,It uses uasyncio for co-routines — GitHub. The module supports programmable output power viz.

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The Driver is based on Adafruit Arduino library, I ported the code to be able to compile and run on Raspberry Pi but added also some features. Introduction: What is ciscoconfparse? Short answer: ciscoconfparse is a Python library that helps you quickly answer questions like these about your. In this post I will present a python module that makes the parsing of cisco configuration files easy.

The module is called CiscoConfParse. History and Python Apologetic · CiscoConfParse Installation and Python Basics · A note about Python Getting Config Values with CiscoConfParse. Search your Cisco configurations with Python; Code repo on github from ciscoconfparse import CiscoConfParse # Parse the config into objects parse. I have hundreds of cisco configuration files and I need to find (via python) the interfaces with a specific service policy applied in this.

weika.eu › blog › ciscoconfparse. Short answer: ciscoconfparse is a Python library that helps you quickly answer The following code will parse a configuration stored in. 'None': try: parse = CiscoConfParse(conf_file) except: print("Warning, could not load config for ", conf_file) return else: vdb = parse_vlans(parse. confparser. This Python module parses a block style document into a dict using dissectors.

Netwalk is a Python library to discover, parse, analyze and change Cisco switched networks

The main goal is to parse Cisco configuration files. Ciscoconfparse helps when working with Cisco IOS configurations by building a relationship between the command hierarchies. This simplifies the. I use a plain Ubuntu machine with a graphical interface for my development. I installed Python, CiscoConfParse, Graphviz and Jupyter Notebook on. Once connected to the switch it will pull and parse the running config, the mac address table and the cdp neighbours, then will start.

ciscoconfparse is a Python library, which parses through Cisco IOS-style parse = CiscoConfParse('/tftpboot/weika.eu'). An Interface object defines a switched interface ("switchport" in Cisco language) and can hold data about its configuration such as: name.

I used a Python Library called CiscoConfParse, a fantastic job made by David Pennington (weika.eu) to parse the configuration. python parse_weika.eu template command_output Device ID: SW2 Entry address(es): IP address: Platform: cisco WS-CTC-L. Automated Cisco IOS config parsing You can use a script or the python interpreter to retrieve the IP address and carrier-delay in native. Ansible network resource modules exist for configuration management of the The native parsing engine built into Ansible and requires no addition python.

A simple configuration parser for Python Firewall Configuration / Syntax Conversion and Migration Tool - supports Cisco ASA, Fortinet FortiGate. CLI Parser provides a framework for quickly development of Cisco-like CLI commands.

It provides a simple syntax to define CLI commands, a compiler to.