CloudForms Database High Availability Explained

In this article, we describe how High Availability (HA) works natively in Red Hat CloudForms. The mechanism uses PostgreSQL feature, and does not require external tools like Virtual IP (VIP), HAProxy, or Load Balancer. We will use a two-node active/passive architecture as an example to investigate what is happening when failover occurs.

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Built In Method Example

These been some discussion about Build-In vs In-line methods,  here is a quick example of a Built-In method that sends email from instance attributes that is quite commonly done as a In-Line method when it does not need to be In-Line.

Start by creating a Class called Email

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