Kubernetes

The Kubernetes check performs requests on Kubernetes resources such as Pods to get the desired information.

apiVersion: canaries.flanksource.com/v1
kind: Canary
metadata:
  name: kube-check
spec:
  interval: 30
  kubernetes:
    - namespace:
        name: default
      name: k8s-ready pods
      kind: Pod
      resource:
        labelSelector: app=k8s-ready
    - namespace:
        name: default
      kind: Pod
      name: k8s-not-ready pods
      ready: false
      resource:
        labelSelector: app=k8s-not-ready

Field	Description	Scheme	Required
kind	Specifies the kind of Kubernetes object for interaction	string	Yes
resource	Queries resources related to specified Kubernetes object	ResourceSelector
namespace	Specifies namespace for Kubernetes object	ResourceSelector
ignore	Ignore the specified resources from the fetched resources. Can be a glob pattern.	[]string
ready	Boolean value of true or false to query and display resources based on availability	bool
name	Name of the check, must be unique within the canary	string	Yes
description	Description for the check	string
icon	Icon for overwriting default icon on the dashboard	string
labels	Labels for check	map[string]string
test	Evaluate whether a check is healthy	Expression
display	Expression to change the formatting of the display	Expression
transform	Transform data from a check into multiple individual checks	Expression
metrics	Metrics to export from	[]Metrics

ResourceSelector

Field	Description	Scheme	Required
name	Name of Kubernetes resource	string
labelSelector	Select Kubernetes resource based on label. e.g. app, canary.	string
fieldSelector	Select Kubernetes resource based on the value of specified resource field	string