blockdiags nwdiag embedded in markdown

So after doing a bit of configuration and installation:

sudo apt install -y blockdiag nwdiag apt-utils git python-pip graphviz python-blockdiag
cp -R ../pelican-plugins/liquid_tags plugins/

Doing some config:

PLUGIN_PATHS = ['plugins']
PLUGINS = ['i18n_subsites','neighbors','tag_cloud','post_revision','post_stats','liquid_tags.graphviz','liquid_tags.diag']

It was time to try it out with something that could use some structure.

{% graphviz
  dot { graph block {
    inet [ shape = cloud ];
    inet -- wan_rtr;
    network wan_198.51.100.0 {
      address = "198.51.100.0/21";
      group isp {
        color = "#FF7777";
        wan_rtr [ address = "198.51.100.1" ];
      }
      group outside {
        color = "#777777";
        bsdrouter [ address = "198.51.100.10" ];
        jnprouter [ address = "198.51.100.152" ];
      }
    }
    network lan_192.0.2 {
      address = "192.0.2.0/24";
      jnprouter [ address = "192.0.2.9" ];
      bsdrouter [ address = "192.0.2.1" ];
      filesrv0 [ address = "192.0.2.2" ];
      landns01 [ address = "192.0.2.41" ];
      landns02 [ address = "192.0.2.41" ];
    }
  } }
%}

Oh, and the ip addresses are from RFC5737: IPv4 Address Blocks Reserved for Documentation, giving us 3 /24's to use in documentation. Rather neat.

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