Directord Install, bootstrap, and scale environment test setup

by cloudnull 3 years ago

GNU/Linux ◆ xterm-256color ◆ bash 1514 views

Testing Directord at 408 node scale using 8 virtual machines.

VM Flavor

3 vCPU
5 GiB RAM
40 GiB Disk

Operating System: CentOS 8 Stream

This process installs Directord using the tools scripts, bootstraps the 8 Virtual Machines, and then runs a built-in Directord orchestration to deploy 400 containers.

Once everything is online, a simple “hello world” command is executed against all 408 targets, completing in roughly 2 seconds.

Checkout the Directord documentation here: https://cloudnull.github.io/directord

Get the code: https://github.com/cloudnull/directord

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

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Replay in terminal

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

asciinema play 410759.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/410759.cast',
      document.getElementById('player'),
      { cols: 137, rows: 40 }
    );
  </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/410759 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.