KEDA 2.8.0

[tomkerkhove]

We are happy to release KEDA 2.8.0 and now offers 50+ built-in scalers 🎉

Here are some highlights:

• Introduction of new AWS DynomoDB Streams & NATS JetStream scalers.
• Introduction of new Azure AD Workload Identity authentication provider.
• Support for specifying minReplicaCount in ScaledJob.
• Support to customize the HPA name.
• Support for permission segregation when using Azure AD Pod / Workload Identity
• Additional features to various scalers such as AWS SQS, Azure Pipelines, CPU, GCP Stackdriver, Kafka, Memory, Prometheus

Here are the new deprecation(s) as of this release:

• rolloutStrategy in ScaledJob is deprecated in favor of rollout.strategy

Learn how to deploy KEDA by reading our documentation.

🗓️ The next KEDA release is currently being estimated for Nov 3rd, 2022, learn more in our roadmap.

New

• General: Introduce new AWS DynamoDB Streams Scaler (#3124)
• General: Introduce new NATS JetStream scaler (#2391)
• General: Introduce activationThreshold/minMetricValue for all scalers (#2800)
• General: Support for minReplicaCount in ScaledJob (#3426)
• General: Support to customize HPA name (#3057)
• General: Make propagation policy for ScaledJob rollout configurable (#2910)
• General: Support for Azure AD Workload Identity as a pod identity provider. (#2487|#2656)
• General: Support for permission segregation when using Azure AD Pod / Workload Identity. (#2656)
• AWS SQS Queue Scaler: Support for scaling to include in-flight messages. (#3133)
• Azure Pipelines Scaler: Support for Azure Pipelines to support demands (capabilities) (#2328)
• CPU Scaler: Support for targeting specific container in a pod (#1378)
• GCP Stackdriver Scaler: Added aggregation parameters (#3008)
• Kafka Scaler: Support of passphrase encrypted PKCS #\8 private key (3449)
• Memory Scaler: Support for targeting specific container in a pod (#1378)
• Prometheus Scaler: Add ignoreNullValues to return error when prometheus return null in values (#3065)

Improvements

• General: Add settings for configuring leader election (#2836)
• General: external extension reduces connection establishment with long links (#3193)
• General: Reference ScaledObject's/ScaledJob's name in the scalers log (3419)
• General: Use mili scale for the returned metrics (#3135)
• General: Use more readable timestamps in KEDA Operator logs (#3066)
• Kafka Scaler: Handle Sarama errors properly (#3056)

Fixes

• General: Provide patch for CVE-2022-27191 vulnerability (#3378)
• General: Refactor adapter startup to ensure proper log initilization. (2316)
• General: Scaleobject ready condition 'False/Unknow' to 'True' requeue (#3096)
• General: Use go install in the Makefile for downloading dependencies (#2916)
• General: Use metricName from GetMetricsSpec in ScaledJobs instead of queueLength (#3032)
• ActiveMQ Scaler: KEDA doesn't respect restAPITemplate (#3188)
• Azure Eventhub Scaler: KEDA operator crashes on nil memory panic if the eventhub connectionstring for Azure Eventhub Scaler contains an invalid character (#3082)
• Azure Pipelines Scaler: Fix issue with Azure Pipelines wrong PAT Auth. (#3159)
• Datadog Scaler: Ensure that returns the same element that has been checked (#3448)
• Kafka Scaler: Check lagThreshold is a positive number (#3366)
• Selenium Grid Scaler: Fix bug where edge active sessions not being properly counted (#2709)
• Selenium Grid Scaler: Fix bug where Max Sessions was not working correctly (#3061)

Deprecations

• ScaledJob: rolloutStrategy is deprecated in favor of rollout.strategy (#2910)

Breaking Changes

None.

Other

• General: Migrate e2e test to Go. (2737)
• General: Bump Golang to 1.17.13 and deps (#3447)
• General: Fix devcontainer on ARM64 Arch. (3084)
• General: Improve error message in resolving ServiceAccount for AWS EKS PodIdentity (3142)
• General: Improve e2e on PR process through comments. (3004)
• General: Split e2e test by functionality. (#3270)
• General: Unify the used tooling on different workflows and arch. (3092)
• General: Use Github's Checks API for e2e tests on PR. (2567)

New Contributors

• @Wolfe1 made their first contribution in Implementation of sessionBrowserName and a fix for maxSessions (#2709 and #3061 #3062
• @champly made their first contribution in fix: scaleobject ready condition 'False/Unknow' to 'True' requeue #3097
• @LiamStorkey made their first contribution in feat: Provide support for scaling apps using AWS SQS Queue to include in-flight messages as well #3132
• @saschagrunert made their first contribution in Pin cosign-installer to v1 #3186
• @cpanato made their first contribution in use v2 tag and install always the latest cosign #3187
• @aviadlevy made their first contribution in Add support to customize HPA name #3068
• @yokawasa made their first contribution in Add AWS DynamoDB Streams Scaler #3121
• @raravena80 made their first contribution in Fix issue with Azure Pipelines PAT Auth #3160
• @sl1pm4t made their first contribution in Optionally exclude Unacknowledged message counts from RabbitMQ QueueLength #3323
• @FullyScaled made their first contribution in make propagationPolicy configurable during job rollout #3338
• @davidlanouette made their first contribution in Use go-install instead of go-get in Makefile #3395
• @FrittenToni made their first contribution in Introduce minReplicaCount for scaledjob #3425
• @tobiaskrause made their first contribution in Kafka Scaler: added support for PKCS #8 private key decryption #3413
• @wsugarman made their first contribution in Add Leader Election Lease Options #3430
• @Eldarrin made their first contribution in Upgraded Azure Pipelines to support demands #2795
• @liangyuanpeng made their first contribution in Add Apache Pulsar Scaler #3021

Full Changelog: v2.7.1...v2.8.0

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This discussion was created from the release KEDA v2.8.0.