Kube-state-metrics/Cronjob

Version history

• July 2019, v1.7.0

Resources

Docs for 1.7 release of kube-state-metrics cronjobs can be found here: https://github.com/kubernetes/kube-state-metrics/blob/release-1.7/docs/cronjob-metrics.md

Metrics insight

- kube_cronjob_labels{namespace,cronjob,label_run} Gauge
    
    Need to modify prometheus thing to be able to read this
    *Not added yet!*

- kube_cronjob_info{namespace,cronjob,schedule=,concurrency_policy} Gauge

- kube_cronjob_created{namespace,cronjob} Gauge
    
    Unix time

- kube_cronjob_status_active{namespace,cronjob} Gauge
    
    Contains the number of active pods working for this cronjob, will usually be 0 or 1, but I think this could be more than 1

- kube_cronjob_status_last_schedule_time{namespace,cronjob} Gauge
    
    Unix time

- kube_cronjob_spec_suspend{namespace,cronjob} Gauge

- kube_cronjob_spec_starting_deadline_seconds{namespace,cronjob} Gauge
        
    RE-TEST -- add deadline

- kube_cronjob_next_schedule_time{namespace,cronjob} Gauge
    
    Unix time

- kube_cronjob_annotations{namespace="default",cronjob="bye"}
    
    Marked as experimental
    *Not added yet!*

Setup environment for manual tests

Instructions for Linux and Kind. If you are using any other environment and need to adapt these instructions, please, update accordingly.

Deploy metricbeat pre-baked pod as recommended by the docs.

Kubernetes YAML chunk should look like:

- module: kubernetes
  enabled: true
  metricsets:
    - state_cronjob
  period: 10s
  hosts: ["kube-state-metrics:8080"]

Deploy kube-state-metrics. You can find the manifests here