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Changelog

All notable changes to the absent metrics operator will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

0.9.8 - 2026-02-12

Changed

  • Increase MaxConcurrentReconciles to 8
  • Regular expressions for label matchers are precompiled and stored in a map for subsequent use

Fixed

  • Check requeueInterval only when the annotationOperatorUpdatedAt is correct

0.9.7 - 2025-12-03

Changed

  • Migrate github org from sapcc to cloudoperators

0.9.5 - 2023-10-06

Changed

  • Updated all dependencies to their latest version.

0.9.4 - 2023-05-08

Changed

  • Add automaxprocs
  • Updated all dependencies and golang to their latest version.
  • Renamed doc folder to docs.

0.9.3 - 2023-04-04

Changed

  • Update Golang to 1.20.
  • Updated all dependencies to their latest version.
  • Use unprivileged appuser with UID/GID 4200 instead of nobody user.
  • Use sigs.k8s.io/yaml instead of github.com/ghodss/yaml.

0.9.2 - 2022-11-08

Changed

  • Updated all dependencies to their latest version.
  • Update resources using Patch instead of Update.
  • Use RFC3339 time format for logs.

Fixed

  • Update AbsencePrometheusRule if only labels have changed.
  • Do not requeue resources that do not exist.

0.9.1 - 2022-11-07

Changed

  • Do not log error if corresponding AbsencePrometheusRule can not be retrieved or does not exist during clean up.
  • Use debug log level for less important log messages.

Fixed

  • debug flag.

0.9.0 - 2022-11-02

Added

  • Carry over support_group labels from original alert rules.

Changed

  • Updated all dependencies to their latest version.

Fixed

  • Add missing Kubebuilder annotations.
  • Logging during metric expression parsing.
  • keep-labels flag parsing.
  • Prevent getting stuck during clean up of orphaned absence alert rules when the corresponding AbsencePrometheusRule doesn't exist.
  • Skip metrics that match against the internal __name__ label and use absent function.

Deprecated

  • Support for determining tier label heuristically has been deprecated and will be removed in a later version.

0.8.0 - 2022-04-12

Added

  • Use Kubebuilder for scaffolding.
  • absent-metrics-operator/updated-at annotation to operator generated PrometheusRule resources which specifies the time (UTC) at which this resource was updated by the operator.

Changed

  • Update Ginkgo testing framework to v2.
  • Updated all dependencies to their latest version.

0.7.3 - 2021-11-29

Changed

  • Updated all dependencies to their latest version.

0.7.2 - 2021-09-29

Changed

  • Updated Go to 1.17 and all dependencies to their latest version.

0.7.1 - 2020-11-17

Fixed

  • Clean up of PrometheusRule resources for which the operator is disabled.

0.7.0 - 2020-09-28

Fixed

  • Clean up orphaned gauge metrics.

0.6.0 - 2020-08-26

Added

  • Manual maintenance task.

Fixed

  • Delete timeseries concerning PrometheusRules that no longer exist.

0.5.2 - 2020-08-21

Fixed

  • A bug that was introduced in the previous release.

0.5.1 - 2020-08-21

Changed

  • Prevent superfluous processing if the resource doesn't have any alert rules.

0.5.0 - 2020-08-21

Added

  • context label to absence alerts.

0.4.0 - 2020-08-20

Removed

  • playbook label from absence alerts.

0.3.0 - 2020-08-20

Added

  • Parse vector selectors that use label matching against the internal __name__ label.

0.2.0 - 2020-08-18

Added

  • Operator can be disabled for a specific alert rule.
  • playbook label to absence alerts.
  • keep-labels flag for specifying which labels to carry over from alert rules.

0.1.0 - 2020-08-13

Added

  • Initial release.