Bash script example hook

rahnev

• May 23, 2017 05:34

Hello all, can somebody show me working example of hook, written in bash script? I want to do some custom actions when alias is created for example but cannot find a bash hook example. How can I catch input data and parse it by myself? I saw in documentation there is a template skeleton for php and perl. Thanks in advance.

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  Anoop P Alias

  • May 23, 2017 13:29

  the hook give you a json ds in stdin .Bash wont be a good choice to parse json. You can use python ,which is similar to bash or go with php/perl . Basically any high level language with support for stuff like json,yaml etc be good enough .

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  rahnev

  • May 23, 2017 14:27

  Can you give me a working example with perl for example for catching all input data and parse it?

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  cPanelMichael

  • May 24, 2017 16:26

  Hello, You can find the corresponding API function for a hook by enabling "Debug mode is on. The system s information about every stage for every hookable event, even if no hooks exist for that stage." under the "Development" tab in "WHM >> Tweak Settings". Then, perform the specific action you want to hook into via cPanel or WHM, and watch the output in /usr/local/cpanel/logs/error_log. For example, the following cPanel API 1 function is utilized when adding an Alias in cPanel: Cpanel::Api1::Park::park You can find documentation on hooks with cPanel functions at: Guide to Standardized Hooks - Cpanel Functions - Software Development Kit - cPanel Documentation As far as checking for conditions before a hook is ran, an example is documented at: Guide to Standardized Hooks - Checks - Software Development Kit - cPanel Documentation Thank you.

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  rahnev

  • May 26, 2017 13:39

  @cPanelMichael, Thanks for the info but I am searching for an example hook, written in bash script. I want to know how can I catch the input and I will find a way to parse it for my needs.

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  Anoop P Alias

  • May 26, 2017 16:23

  Hi please find an example of a hook i wrote in python raw.githubusercontent.com/AnoopAlias/XtendWeb/ndeploy4/scripts/cpanel_functions_hook_post.py As mentioned before ..doing the same would be a bit tough in bash since bash does not support json. You may get some luck with text processing tools like sed or awk, but thats just a workaround and the easier way to do this would be using a high level language that support json. Perl,php,python,ruby etc would be easier here .

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