Hands-On Software Engineering with Golang

Routing alerts to receivers

Now, let's take a closer look at the tree-based mechanism used by the Alertmanager for routing incoming alerts to a particular receiver. The top-level section of the Alertmanager's configuration file must always define a route block. The block represents the root node of the tree and can contain the following set of fields:

• match: Specifies a set of label values that must match the values from the incoming alert to consider the current route node as matched.
• match_re: Similar to match, with the exception that label values are matched against a regular expression.
• receiver: The name of the receiver to deliver the incoming alert to if the alert matches the current route.
• group_by: A list of label names to group ...