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Istio V1 latency

Latency plugin for Istio V1 services.

Uses Istio v1 request metrics to get the latency on a service.

Options

  • namespace: (required) Kubernetes namespace of the service.
  • service: (required) Service name.
  • bucket: (Required) The max latency allowed histogram bucket.
  • exclude_errors: (Optional) Boolean that will exclude errored requests from valid events
  • filter: (Optional) A prometheus filter string using concatenated labels

Metric requirements

  • istio_request_duration_milliseconds_bucket: From istio.
  • istio_request_duration_milliseconds_count: From istio.

Usage examples

Without filter

sli:
  plugin:
    id: "sloth-common/istio/v1/latency"
    options:
      namespace: "default"
      service: "test"
      bucket: "300"

With filters

sli:
  plugin:
    id: "sloth-common/istio/v1/latency"
    options:
      namespace: "default"
      service: "test"
      bucket: "300"
      filter: request_protocol="http"

Excluding errors (5xx)

sli:
  plugin:
    id: "sloth-common/istio/v1/latency"
    options:
      namespace: "default"
      service: "test"
      bucket: "300"
      filter: request_protocol="http"
      exclude_errors: true
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