Automate application updates with Ansible

This is a guest post written by Michael DeHaan, CTO at AnsibleWorks. AnsibleWorks provides IT orchestration solutions that simplify the way IT manages systems, applications, and infrastructure.


When developers and systems administrators work to automate the rollout of application updates, a common problem is automating web and SaaS architectures that span more than a single machine and, more importantly, managing those systems in a way that preserves uptime. This is especially critical in high-traffic web sites and services.

When looking at the automation modelling itself, it is insufficient to model the actions that happen on one machine at a time, or even all classes of machines at a time, because simultaneous updates can introduce outages.

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