OpenStack NG must-gather

by fmount 1 year ago

GNU/Linux ◆ xterm-256color ◆ zsh 365 views

OpenStack must-gather is a tool that enables supportability for an existing podified openstack control plane. Through this tool is possible to retrieve:

service logs (pod logs)
service configuration, masking sensitive information present in the k8s Secrets
how services appear in the ctlplane

This quick demo is an overview of the development workflow on this tool and how the must-gathering result can be navigated once it’s produced.

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 610295.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/610295.cast',
      document.getElementById('player'),
      { cols: 210, rows: 53 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed, generate a GIF with the following command:

agg https://asciinema.org/a/610295 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.