availability

HAProxy availability

Availability plugin for the haproxy 2.x prometheus metrics.

Uses the standard prometheus metrics from a haproxy 2.x release to create an sli against the frontend metrics based on http response codes.

In other words, it counts as good events the <500 HTTP response status codes.

Options

• filter: (Optional) A prometheus filter string using concatenated labels (e.g: instance=~"hostname.pattern.*")

Metric requirements

• haproxy_frontend_http_responses_total.

Usage examples

Without filter

sli:
  plugin:
    id: "sloth-common/haproxy/frontend/availability"

With custom filter

sli:
  plugin:
    id: "sloth-common/haproxy/frontend/availability"
    options:
      filter: instance=~"web-front-load-balancers.*"