Module airbag::middleware

Airbag supports installing Middleware implementors on backends to allow processing alerts before they are being sent.

Installing a middleware is done using the [install] method.

For example: this will install a PagerDuty backend that will prefix all alert titles with "Prefix: ":

use airbag::prelude::*;

airbag::configure(
  airbag::backends::PagerDuty::builder().token("PD token").build()
).with_middleware(airbag::middleware::TitlePrefix::new("Prefix: "));

Most use cases should probably opt for the [Backend::map] method, which allows wrapping backends in middleware that processes alerts via callbacks. For example, here is a use case that adds a constant field to all alerts

use airbag::prelude::*;

airbag::configure(
  airbag::backends::PagerDuty::builder().token("PD token").build()
).map(
     |alert| alert.with_field_if_missing("my_label", "some_value")
);

Structs

• DedupKeyPrefix
  Prefixes dedup keys with a specific string. This is useful in case you have multiple instances of a specific app and you want the dedup keys from one instance to not interfere with dedup keys of another
• Map
• TitlePrefix
  Prefixes alert titles with a specific string. This is useful in cases where you want alert titles to easily convey instance or context information

Traits

• Middleware