• Red Hat Ansible Automation – architecture and fe...

    Red Hat Ansible Automation is an open source automation platform. It is suitable for both low-level automation, which connects directly to each of the elements separately, and high-level, which is implemented through dedicated controllers from other manufacturers. In addition to the automation of other Red Hat Solutions, it also automat products and solutions from other

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  • Ansible, part IV – Variables and Jinja2 Template...

    Variables are used to store various types of data. Their values usually depend on the location or context in which they are located. Variables can be completely independent entities or grouped together with other variables, to describe or parameterize a given object. For this purpose, we can use the structure of a dictionary, which groups

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  • Ansible, part III – YAML and Playbooks

    In the previous article, we showed how useful are ad-hoc commands. They allow us to run individual tasks on multiple nodes. Ad hoc commands are used on an ad hoc basis, hence their name. Their limitation is that they can only perform one module with one set of arguments at a time. It happens, that

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  • Ansible, part II – modules and ad-hoc commands

    Sending ad-hoc commands is very simple and at the same time opens up many very useful possibilities. Thanks to them, we can conveniently issue single command on one or many nodes. Issuing such commands allows among others: querying for various statuses, compliance verification, configuration backup, node or service restart, file, package and user accounts management,

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  • Ansible, part I – basics and inventory

    Making changes manually is tedious, and problematic in terms of documenting. Ansible addresses both of these problems. It’s great for what we don’t like. It is doing the same thing on many elements. In addition, the resulting YAML file becomes a form of documentation. It certainly will not replace the typical documentation with diagrams, tables

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