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Managing Jails with Ansible

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Title
Managing Jails with Ansible
Subtitle
A showcase for building a container infrastructure on FreeBSD
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Number of Parts
34
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License
CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Publisher
Release Date2019
LanguageEnglish

Content Metadata

Subject Area
Genre
Abstract
Nowadays container technologies like Docker are the first thing you here when the question on how to deploy and manage (micro) services. However, FreeBSD already has lots of features out of the box that can be used to implement lots of the wanted characteristics, but there is still a need for glue code to integrate it into a complete solution. Ansible is a powerful configuration automation and management system that has a relatively low set of initial requirements. It uses mostly python and ssh, of which the later is needed in most cases anyway to be able to remotely manage the systems. This means that not only the overhead is comperativly low, but also it does not have too many dependencies that will break over time with things like new software releases. Utilizing the flexible template engine and already available modules to manage features like ZFS, firewall and jails.conf, we will be able to automatically deploy a system that includes creating read only templates for service jails configuring the network configuring the firewall creating (multiple) running service jails from these templates duplicating jails scripting the upgrade & restart of the base and service jails With that the talk will show how host multiple managed, partly customized applications for multiple distinct user groups with minimal overhead for managing updates and setup of new instances.