I am by no means a Python expert and when researching how to get my own multi threading working I see there are several ways depending on the task that you are performing.To summarise what I had read over and over, multi processing, spawns multiple processes for your CPU and is best for CPU bound […]
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I have used TextFSM in my Netmiko TACACS script in order to parse the show version and show inventory outputs to determine the type of Cisco OS the device is. The templates maybe found https://github.com/networktocode/ntc-templates/tree/master/ntc_templates/templatesThey were already installed when I installed Netmiko Using TextFSM is very simple. Netmiko takes in one extra parameter to use
Moving and running script from different machines can result in additional files that the script requires to break if the paths are not exactly the same. In my previous post I have discussed python-dotenv. The Python script is importing a file that is vital for the script to successfully execute. To ensure the file is
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This is a handy Python library to use when credentials are required to be used by scripts. Credentials shouldn’t ever be inside of scripts.Python-dotenv loads the environment variables from a .env file. The OS module is needed to use these environment variables. Install Create .env File Use .env in Script I have used this in
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Just a quick how to for setting up a virtual environment in Linux. This example is using CentOS. Install Python Virtual Environments Create Virtual Environment Can specify Python version for the virtual env Activate the New Virtual Environment Check the Version Check Python Libraries This will be empty to being with. Install a Library Recheck
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Problems I needed to update Python in one of my forgotten labs from 3.6 as Netmiko required 3.7 or higher. So a quick Google and what I thought would be a straightforward install.Turns out it wasn’t. CentOS 7 has a bug that complains about the SSL modules in Python not being available. The fix to
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Every table in the database must be created. This is done before the Flask server is started otherwise it causes errors. I’ll be using the F5 Info page. Creating the Table Models.py The models.py file is what contains all the Python classes for the database tables. Setting up the Database This must be run before
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There are a number of places inside the F5 Dashboard project where the database needs to be modified. A good example of this is from the F5 info gathering page. The F5 info page is displaying some columns from a database table.There are a few things going on here so I will start at the
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This is a basic file upload through Flask. I have used this in my F5 Dashboard project to upload a CSV file that contains the database that is used as the source for what domains require SSL profile updates. The Process There are two views for the CSV upload. The file uploader The database refresh
This is a very basic way to set the default path to always be the same as where the script is running from.So if the script has multiple files referenced then when moving the script instead of updating the paths for something such as opening a csv file, as long as the file is in
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