---
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: prometheus-gate
  labels:
    app.kubernetes.io/version: "0.1"
  annotations:
    tekton.dev/categories: Monitoring
    tekton.dev/pipelines.minVersion: "0.12.1"
    tekton.dev/tags: gate, prometheus
    tekton.dev/displayName: prometheus gate
    tekton.dev/platforms: "linux/amd64"
spec:
  description: >-
    A gate task which will query the prometheus API in a loop and await a matching status for N length of time.

  params:
  - name: prometheus_endpoint
    type: string
    description: Prometheus API endpoint
  - name: range_query
    type: string
    description: range query to use to define SLO
  - name: range_time
    type: string
    description: time we want to assert fits the SLO
    default: "-10m"
  - name: target_value
    type: string
    description: value we will use as threshold
    default: "1"
  - name: target_strategy
    type: string
    description: The target_strategy is min,max or equal
    default: "min"
  - name: timeout
    type: string
    description: timeout of the gate
    default: "3600"
  - name: tick_time
    type: string
    description: how often to draw data from prometheus
    default: "1m"
  steps:
  - name: gate
    image: docker.io/iancoffey/prometheus-gate-cf7c3e662ede0a4e9bc24d37d2af86d6@sha256:c3df9d8400aef7acb76f409d1e347c5ecaa6f28a69df50981c14bfe87add85d7
    env:
    - name: "PROMETHEUS_ENDPOINT"
      value: $(params.prometheus_endpoint)
    - name: "RANGE_QUERY"
      value: $(params.range_query)
    - name: "RANGE_TIME"
      value: $(params.range_time)
    - name: "TARGET_VALUE"
      value: $(params.target_value)
    - name: "TARGET_STRATEGY"
      value: $(params.target_strategy)
    - name: "TIMEOUT"
      value: $(params.timeout)
    - name: "TICK_TIME"
      value: $(params.tick_time)