latency-by-router

Traefik V2 latency by router

Latency plugin for Traefik V2 routers.

Uses Traefik v2 router metrics to get the latency on the serving routers.

Options

• bucket: (Required) The max latency allowed histogram bucket.
• router_name_regex: (required) Regex to match the traefik router.
• filter: (Optional) A prometheus filter string using concatenated labels
• exclude_errors: (Optional) Boolean that will exclude errored requests from valid events when measuring latency requests.

Metric requirements

• traefik_router_request_duration_seconds_bucket: From traefik.
• traefik_router_request_duration_seconds_count: From traefik.

Usage examples

Without filter

sli:
  plugin:
    id: "sloth-common/traefik/v2/latency-by-router"
    options:
      router_name_regex: "^default-slok-sloth$"
      bucket: "0.3"

With filters

sli:
  plugin:
    id: "sloth-common/traefik/v2/latency-by-router"
    options:
      router_name_regex: "^default-slok-sloth$"
      bucket: "0.3"
      filter: method="GET"

Excluding errors (5xx)

sli:
  plugin:
    id: "sloth-common/traefik/v2/latency-by-router"
    options:
      router_name_regex: "^default-slok-sloth$"
      bucket: "0.3"
      filter: method="GET"
      exclude_errors: "true"