irc

Changing a deeply-nested dict variable in an Ansible playbook

I recently had to build an Ansible playbook that takes in a massive inventory structure (read from a YAML file), modifies a specific key in that file, then dumps the file back to disk. There are some other ways that may be more efficient standalone (e.g. using a separate Python/PHP/Ruby/etc. script and a good YAML library), but since I had to do a number of other things in this Ansible playbook, I thought it would keep it simple if I could also modify the key inside the playbook.

I was scratching my head for a while, because while I knew that I could use the dict | combine() filter to merge two dicts together (this is a feature that was introduced in Ansible 2.0), I hadn't done so for a deeply-nested dict.

Meet Phergie, an efficient PHP IRC bot

The Drupal community uses IRC extensively for collaboration and community building. A permanent and ever-helpful fixture of the official #drupal-* IRC channels, and in the Drupal community itself, is the humble Druplicon bot. Druplicon is a Drupal-based IRC bot that was created in 2005, and is still going strong as part of the Bot module for Drupal.

Bots like Druplicon do a lot of nice things—they can remind people of things after they were away for a while, they can store facts, track karma, throw people virtual beers, store and retrieve helpful facts, and relay important information. For example, when a build fails in Jenkins, a bot can post a message in IRC. Similarly, if a server goes down, or is under heavy load, the bot could post a message.

Connect to IRC via Adium when connected through an LTE hotspot

When I'm on the go, I like to use my iPhone 5s as a hotspot, as I get 10-20 Mbps up and down (much better than any public WiFi I've used), and it's a more secure connection than a public, unsecured hotspot.

However, when I open Adium, I'm greeted with:

Notice -- You need to identify via SASL to use this server

To fix this, I forward port 6667 on my Mac to one of my remote servers using SSH, then tell Adium to use that server's connection with my Mac as a SOCKS5 proxy. If you need to do this, you can do the following:

  1. We need to forward port 6667 from your local Mac to a remote server ('example.com') to which you have SSH access. In Terminal, enter: ssh -D 6667 username@example.com
  2. In Adium, go to the IRC connection settings, and under Proxy, check the 'Connect using proxy' checkbox, choose 'SOCKS5' for Type, enter 'localhost' for Server, and '6667' for Port (see screenshot below).

Adium SOCKS5 proxy settings for IRC tunnel on port 6667

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