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CHANGELOG.md

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Changelog

Unreleased

v0.11.0 - 2022-10-22

Changed

  • Optimized SLI recording rules now have the same labels as the non-optimized ones, avoiding promtool check warnings.
  • Update to Go 1.19.
  • Update to Kubernetes v1.25.
  • sloth_window is ignored in alerts reducing the noise of refiring alerts.

v0.10.0 - 2022-03-22

Added

  • Support Kubernetes v1.23
  • Allow disabling optimized rules using --disable-optimized-rules. These will disable the period window (e.g 30d) to be as the other window rules and not be optimized.
  • generate command now accepts a directory that will discover SLOs and generate with the same structure in an output directory.
  • Added --fs-exclude and --fs-include flags to generate command, that will be used when generate inputs are a directory.
  • Update Go 1.18

v0.9.0 - 2021-11-15

Added

  • Added spec for declaring custom SLO period windows.
  • Added --slo-period-windows-path flag to load custom SLO period windows from a directory.

Changed

  • (BREAKING) --window-days flag renamed to --default-slo-period and now is a time.Duration instead of an integer.
  • (BREAKING) -w short flag has been removed.
  • Default 30 and 28 day windows are now loaded from spec files.

v0.8.0 - 2021-10-12

Changed

  • OpenSLO fallbacks to Sloths time window if not set.
  • Migrated container images from dockerhub to ghcr.io.

Added

  • Time window validation.
  • Default time window is 30 day (same as before but was hardcoded, now can be set to a different one).
  • Support 28 day time windows.
  • Flag to select default time window.

v0.7.0 - 2021-10-05

Added

  • Helm chart.
  • Kustomize.
  • Support Kubernetes 1.22
  • The SLO info metric has SLO objective as a label.

Changed

  • Update Kubernetes deploy manifests to v0.7.0

v0.6.0 - 2021-07-11

Added

  • Model validates SLI event queries (error and total) are different.
  • On K8s controller Label selector to shard resources handling by labels.
  • On K8s controller Kubernetes dry-run mode for development.
  • On K8s controller Kubernetes fake mode for development without Kubernetes cluster.

Changed

  • Generate and validate commands now infer the spec type instead of bruteforce loading every spec type.
  • --development flag has been renamed to --kube-local.

v0.5.0 - 2021-06-30

Added

  • OpenSLO support on validate command.
  • OpenSLO support on generate command.
  • Hot-reload SLI plugins file loader.
  • Trigger hot-reload by HTTP webhook.
  • Trigger hot-reload by SIGHUP OS signal.
  • Added hot-reload-addr flag with the hot reload http server address.
  • Added hot-reload-path flag with the hot reload http server webhookpath webhook.

Changed

  • (Internal) SLI Plugins are retrieved from a repository service instead of getting them from a map.

v0.4.0 - 2021-06-24

Added

  • Support multiple services per YAML file (multifile).
  • Validate cmd.
  • Validation SLO spec files autodiscovery.
  • Validation include and exclude filter regex for files.

v0.3.1 - 2021-06-14

Added

  • Support multi-arch docker images.

Changed

  • Fix CLI --extra-labels not being used.

v0.3.0 - 2021-06-10

Added

  • SLI plugins support.
  • SLI prometheus/v1 plugins.
  • Add SLI plugin settings to prometheus/v1 spec.
  • Add SLI plugin settings to PrometheusServiceLevel CRD.
  • Make optional alerting name field on PrometheusServiceLevel CRD.

v0.2.0 - 2021-05-24

Added

  • SLO spec description field.
  • Kubernetes Prometheus CRD status.
  • Kubernetes Prometheus CRD status data print for Kubectl.
  • Kubernetes controller mode to generate Prometheus-operator CRs from Sloth CRs.
  • controller command to start Kubernetes controller.
  • version command to return the app version to stdout.
  • service and SLO name validation.
  • Kubernetes controller mode documentation.
  • Description field on Prometheus Kubernetes and regular SLO specs.
  • Prometheus metrics for Kubernetes controller mode.

Changed

  • (BREAKING) Kubernetes Prometheus CRD manifests uses camelcase instead of snakecase.

Deleted

  • --version flag.

v0.1.0 - 2021-05-05

Added

  • Extra labels on all prometheus rules at generation cmd execution.
  • Specs as an importable API library under pkg.
  • Prometheus SLO spec.
  • Cli for Prometheus generation.
  • Generic Multi window multi burn alert generation.
  • Prometheus SLI error recording rules.
  • Prometheus SLO Metadata recording rules.
  • Prometheus Multi window multi burn alert rules.
  • Improve 30d SLI error recording rule.
  • Disable recording rules generation using flags.
  • Disable alert rules generation using flags.
  • Support events based SLI.
  • Support raw query based SLI.
  • Kubernetes (prometheus-operator) CRD generation support.