Arbitrary/Custom Metrics in the Horizontal Pod Autoscaler

[DirectXMan12]

Arbitrary/Custom Metrics in the Horizontal Pod Autoscaler

• One-line feature description (can be used as a release note): Reworked Horizontal Pod Autoscaler functionality, including support for custom metrics and status conditions.
• Primary contact (assignee): @DirectXMan12
• Responsible SIGs: @kubernetes/sig-autoscaling-feature-requests
• Design proposal links (community repo):
  • HPA v2
  • HPA v2 status conditions
  • HPA v2 external metrics
  • HPA v2 metrics specificity improvements
• Testing
  • Unit tests: https://github.com/kubernetes/kubernetes/tree/master/pkg/controller/podautoscaler
  • https://github.com/kubernetes/kubernetes/blob/master/test/e2e/autoscaling/custom_metrics_stackdriver_autoscaling.go
  • Custom metrics autoscaling e2e adapter tests kubernetes#62351
• Reviewer(s): @mwielgus @MaciekPytel
• Approver (likely from SIG/area to which feature belongs): @mwielgus
• Feature target (which target equals to which milestone):
  • Alpha release target (x.y): 1.6
  • Beta release target (x.y): 1.8, 1.12 (pending)
  • Stable release target (x.y)

[DirectXMan12]

cc @kubernetes/autoscaling @jszczepkowski @derekwaynecarr @smarterclayton

[idvoretskyi]

@DirectXMan12 any updates on this issue? Can you provide the actual status of it and update the checkboxes above?

[DirectXMan12]

The proposal is posted, but has not been approved yet. We only recently reached general consensus about the design. Still finalizing the exact semantics. It should be removed from the 1.5 milestone, since no code will have gone into 1.5

[idvoretskyi]

@DirectXMan12 thank you for clarifying.