KEDA 2.8.0

We are happy to release KEDA 2.8.0 which now has 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 #3062
• @champly made their first contribution in #3097
• @LiamStorkey made their first contribution in #3132
• @saschagrunert made their first contribution in #3186
• @cpanato made their first contribution in #3187
• @aviadlevy made their first contribution in #3068
• @yokawasa made their first contribution in #3121
• @raravena80 made their first contribution in #3160
• @sl1pm4t made their first contribution in #3323
• @FullyScaled made their first contribution in #3338
• @davidlanouette made their first contribution in #3395
• @FrittenToni made their first contribution in #3425
• @tobiaskrause made their first contribution in #3413
• @wsugarman made their first contribution in #3430
• @Eldarrin made their first contribution in #2795
• @liangyuanpeng made their first contribution in #3021

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

KEDA 2.7.1

We are happy to release KEDA v2.7.1 🎉

Here are some highlights:

• Fix autoscaling behaviour while paused
• Don't hardcode UIDs in securityContext

Learn how to deploy KEDA by reading our documentation.

Improvements

• General: Don't hardcode UIDs in securityContext (#3012)

Other

• General: Fix CVE-2022-21221 in github.com/valyala/fasthttp (#2775)
• General: Bump Golang to 1.17.9 (#3016)
• General: Fix autoscaling behaviour while paused. (#3009)

KEDA v2.7.0

We are happy to release KEDA 2.7.0 🎉

Here are some highlights:

• Introduction of pausing autoscaling through annotations for ScaledObject.
• Introduce ARM-based container image
• Introduction of AWS DynamoDB, Azure Data Explorer, GCP Stackdriver & GCP Storage scalers
• Introduction of Azure Key Vault as trigger authentication provider
• KEDA is secure-by-default and runs as non-root
• Support for non-public Microsoft Azure clouds
• 19 new contributors
• Deprecation of metadata.type is deprecated in favor of the global metricType for CPU, Memory, Datadog scalers (GitHub Discussion)

Learn how to deploy KEDA by reading our documentation.

New

• General: Introduce annotation "autoscaling.keda.sh/paused-replicas" for ScaledObjects to pause scaling at a fixed replica count. (#944)
• General: Introduce ARM-based container image for KEDA (#2263|#2262)
• General: Introduce new AWS DynamoDB Scaler (#2486)
• General: Introduce new Azure Data Explorer Scaler (#1488|#2734)
• General: Introduce new GCP Stackdriver Scaler (#2661)
• General: Introduce new GCP Storage Scaler (#2628)
• General: Provide support for authentication via Azure Key Vault (#900|#2733)
• General: Support for ValueMetricType in ScaledObject for all scalers except CPU/Memory (#2030)

Improvements

• General: Bump dependencies versions (#2978)
• General: Properly handle restoreToOriginalReplicaCount if ScaleTarget is missing (#2872)
• General: Support for running KEDA secure-by-default as non-root (#2933)
• General: Synchronize HPA annotations from ScaledObject (#2659)
• General: Updated HTTPClient to be proxy-aware, if available, from environment variables. (#2577)
• General: Using manager client in KEDA Metrics Server to avoid flush request to Kubernetes Apiserver(2914)
• ActiveMQ Scaler: Add CorsHeader information to ActiveMQ Scaler (#2884)
• AWS CloudWatch: Add support to use expressions(#2998)
• Azure Application Insights Scaler: Provide support for non-public clouds (#2735)
• Azure Blob Storage Scaler: Add optional parameters for counting blobs recursively (#1789)
• Azure Event Hub Scaler: Improve logging when blob container not found (#2363)
• Azure Event Hub Scaler: Provide support for non-public clouds (#1915)
• Azure Log Analytics Scaler: Provide support for non-public clouds (#1916)
• Azure Monitor Scaler: Provide support for non-public clouds (#1917)
• Azure Queue: Don't call Azure queue GetProperties API unnecessarily (#2613)
• Datadog Scaler: Validate query to contain { to prevent panic on invalid query (#2625)
• Datadog Scaler: Several improvements, including a new optional parameter metricUnavailableValue to fill data when no Datadog metric was returned (#2657)
• Datadog Scaler: Rely on Datadog API to validate the query (2761)
• Graphite Scaler Use the latest non-null datapoint returned by query. (#2625)
• Kafka Scaler: Make "disable" a valid value for tls auth parameter (#2608)
• Kafka Scaler: New scaleToZeroOnInvalidOffset to control behavior when partitions have an invalid offset (#2033#2612)
• Metric API Scaler: Improve error handling on not-ok response (#2317)
• New Relic Scaler: Support to get account value from authentication resources. (#2883)
• Prometheus Scaler: Check and properly inform user that threshold is not set (#2793)
• Prometheus Scaler: Support for X-Scope-OrgID header (#2667)
• RabbitMQ Scaler: Include vhost for RabbitMQ when retrieving queue info with useRegex (#2498)
• Selenium Grid Scaler: Consider maxSession grid info when scaling. (#2618)

Deprecations

• CPU, Memory, Datadog Scalers: metadata.type is deprecated in favor of the global metricType (#2030)

Breaking Changes

None.

Other

• General: Clean go.mod to fix golangci-lint (#2783)
• General: Consistent file naming in pkg/scalers/ (#2806)
• General: Fix mismatched errors for updating HPA (#2719)
• General: Improve e2e tests reliability (#2580)
• General: Improve e2e tests to always cleanup resources in cluster (#2584)
• General: Internally represent value and threshold as int64 (#2790)
• General: Refactor active directory endpoint parsing for Azure scalers. (#2853)
• AWS CloudWatch: Adding e2e test (#1525)
• AWS DynamoDB: Setup AWS DynamoDB test account (#2803)
• AWS Kinesis Stream: Adding e2e test (#1526)
• AWS SQS Queue: Adding e2e test (#1527)
• Azure Data Explorer: Adding e2e test (#2841)
• Azure Data Explorer: Replace deprecated function iter.Next() in favour of iter.NextRowOrError() (#2989)
• Azure Service Bus: Adding e2e test (#2731|#2732)
• External Scaler: Adding e2e test. (#2697)
• External Scaler: Fix issue with internal KEDA core prefix being passed to external scaler. (#2640)
• GCP Pubsub Scaler: Adding e2e test (#1528)
• Hashicorp Vault Secret Provider: Adding e2e test (#2842)
• Memory Scaler: Adding e2e test (#2220)
• Selenium Grid Scaler: Adding e2e test (#2791)

New Contributors

• @gunniwho made their first contribution in #2611
• @alileza made their first contribution in #2629
• @sergeyshevch made their first contribution in #2659
• @Photonios made their first contribution in #2591
• @yasiboni-max made their first contribution in #2627
• @SushmithaVReddy made their first contribution in #2717
• @v-shenoy made their first contribution in #2727
• @xoanmm made their first contribution in #2763
• @Shitaibin made their first contribution in #2677
• @samueleresca made their first contribution in #2486
• @adborroto made their first contribution in #2774
• @chalin made their first contribution in #2811
• @wltbenade made their first contribution in #2821
• @pragmaticivan made their first contribution in #2898
• @aryan9600 made their first contribution in #2765
• @xphyr made their first contribution in #2924
• @bamboo12366 made their first contribution in #2922
• @joelsmith made their first contribution in #2999
• @dekelev made their first contribution in #2997

Full Changelog: https://github.com/kedacore/keda/...

KEDA 2.6.1

We are happy to release KEDA 2.6.1 🎉

Here are some highlights:

• This release fixes problems that might occur when there are multiple triggers in a ScaledObject. It is highly recommended to update as soon as possible.

Learn how to deploy KEDA by reading our documentation.

Improvements

• General: Fix generation of metric names if any of ScaledObject's triggers is unavailable (#2592)
• General: Fix logging in KEDA operator and properly set ScaledObject.Status in case there is a problem in a ScaledObject's trigger (#2603)

Other

• General: Fix failing tests based on the scale to zero bug (#2603)

New Contributors

• @RamCohen made their first contribution in #2606

Full Changelog: v2.6.0...v2.6.1

KEDA 2.6.0

We are happy to release KEDA 2.6.0 🎉

Here are some highlights:

• Five new Scalers 🎉 🎉
• Important bugfixes and improvements related to caching
• KEDA images are signed using cosign
• We no longer push to Docker Hub as of v2.5 as per our announcement in March 2021

Learn how to deploy KEDA by reading our documentation.

New

• Add ActiveMQ Scaler (#2305)
• Add Azure Application Insights Scaler (2506)
• Add New Datadog Scaler (#2354)
• Add New Relic Scaler (#2387)
• Add PredictKube Scaler (#2418)

Improvements

• General: Delete the cache entry when a ScaledObject is deleted (#2564)
• General: Fail fast on buildScalers when not able to resolve a secret that a deployment is relying on (#2394)
• General: keda-operator Cluster Role: add list and watch access to service accounts (#2406)|(#2410)
• General: Sign KEDA images published on GitHub Container Registry (#2501)|(#2502)|(#2504)
• AWS Scalers: Support temporary AWS credentials using session tokens (#2573)
• AWS SQS Scaler: Allow using simple queue name instead of URL (#2457)
• Azure EventHub Scaler: Don't expose connection string in metricName (#2404)
• Azure Pipelines Scaler: Support poolName or poolID validation (#2370)
• CPU Scaler: AAding e2e test for the cpu scaler (#2441)
• External Scaler: Fix wrong calculation of retry backoff duration (#2416)
• Graphite Scaler: Use the latest datapoint returned, not the earliest (#2365)
• Kafka Scaler: Allow flag topic to be optional, where lag of all topics within the consumer group will be used for scaling (#2409)
• Kafka Scaler: Concurrently query brokers for consumer and producer offsets (#2405)
• Kubernetes Workload Scaler: Ignore terminated pods (#2384)
• PostgreSQL Scaler: Assign PostgreSQL userName to correct attribute (#2432)|(#2433)
• Prometheus Scaler: Support namespaced Prometheus queries (#2575)

Breaking Changes

• No longer push to Docker Hub as of v2.5 as per our announcement in March 2021
  • Learn more about the background on kedacore/governance#16

New Contributors

• @solsson made their first contribution in #2384
• @tomasspi made their first contribution in #2406
• @melisatanrverdi made their first contribution in #2305
• @VerstraeteBert made their first contribution in #2405
• @marcelobartsch made their first contribution in #2387
• @tsndqst made their first contribution in #2432
• @yusank made their first contribution in #2416
• @JatinSanghvi made their first contribution in #2443
• @or-shachar made their first contribution in #2444
• @PaulLiang1 made their first contribution in #2409
• @arapulido made their first contribution in #2354
• @nicolaferraro made their first contribution in #2483
• @whitesource-bolt-for-github made their first contribution in #2514
• @daniel-yavorovich made their first contribution in #2418
• @JacobHenner made their first contribution in #2573
• @markrzasa made their first contribution in #2506

Full Changelog: v2.5.0...v2.6.0

KEDA 2.5.0

We are happy to release KEDA 2.5.0 🎉

Here are some highlights:

• Introducing a new Cassandra scaler
• Introducing a new Elasticsearch scaler
• Introducing a new Graphite scaler
• GCP PubSub Scaler: subscriptionSize is deprecated in favor of mode and value
• Performance improvements
• Lot of improvements in several scalers

Learn how to deploy KEDA by reading our documentation.

New

• Add Cassandra Scaler (#2211)
• Add Elasticsearch Scaler (#2311)
• Add Graphite Scaler (#1628)
• ScaledJob: introduce MultipleScalersCalculation (#2016)
• ScaledJob: introduce RolloutStrategy (#2164)
• Add ScalersCache to reuse scalers unless they need changing (#2187)
• Cache metric names provided by KEDA Metrics Server (#2279)

Improvements

• Artemis Scaler: parse out broker config parameters in case restAPITemplate is given (#2104)
• AWS Cloudwatch Scaler: improve metric exporting logic (#2243)
• AWS Cloudwatch Scaler: return minimum value for the metric when cloudwatch returns empty list (#2345)
• Azure Log Analytics Scaler: add support to provide the metric name(#2106)
• Azure Pipelines Scaler: improve logs (#2297)
• Cron Scaler: improve validation in case start & end input is same (#2032)
• Cron Scaler: improve the cron validation (#2038)
• GCP PubSub Scaler: introduce SubscriptionSize and OldestUnackedMessageAge modes (#2266)
• GCP PubSub Scaler: add GCP identity authentication when using (#2225)
• GCP PubSub Scaler: add possibility to reference a GCP PubSub subscription by full link, including project ID (#2269)
• InfluxDB Scaler: add unsafeSsl parameter (#2157|#2320)
• Metrics API Scaler: add Bearer auth (#2028)
• MongoDB Scaler: add support to get connection data from Trigger Authorization (#2115)
• MSSQL Scaler: add support to get connection data from Trigger Authorization (#2112)
• MySQL Scaler: add support to get connection data from Trigger Authorization (#2113)
• MySQL Scaler: don't expose connection string in metricName (#2171)
• PostgreSQL Scaler: add support to get connection data from Trigger Authorization (#2114)
• Prometheus Scaler: validating values length in Prometheus query response (#2264)
• Prometheus Scaler: omit serverAddress from generated metric name (#2099)
• RabbitMQ Scaler: anonymize the host in case of HTTP failure (#2041)
• RabbitMQ Scaler: escape queueName and vhostName before use them in query string (bug fix) (#2055)
• RabbitMQ Scaler: add custom http timeout (#2086)
• RabbitMQ Scaler: add pageSize (using regex) (#2162|#2319)
• Redis Scaler: upgrade library, add username and Sentinel support (#2181)
• SeleniumGrid Scaler: add unsafeSsl parameter (#2157)
• Stan Scaler: provide support for configuring authentication through TriggerAuthentication (#2167)
• Allow setting MaxConcurrentReconciles for controllers (#2272)
• Cleanup metric names inside scalers (#2260)
• Drop support to ValueMetricType using cpu_memory_scaler (#2218)
• Improve metric name creation to be unique using scaler index inside the scaler (#2161)
• Improve error message if IdleReplicaCount are equal to MinReplicaCount to be the same as the check (#2212)
• TriggerAuthentication/Vault: add support for HashiCorp Vault namespace (Vault Enterprise) (#2085)

Deprecations

• GCP PubSub Scaler: subscriptionSize is deprecated in favor of mode and value (#2266)

Breaking Changes

• None

Other

• Ensure that context.Context values are properly passed down the stack (#2202|#2249)
• Refactor AWS related scalers to reuse the AWS clients instead of creating a new one for every GetMetrics call (#2255)
• Improve context handling in appropriate functionality in which we instantiate scalers (#2267)
• Migrate to Kubebuilder v3 (#2082)
  • API path has been changed: github.com/kedacore/keda/v2/api/v1alpha1 -> github.com/kedacore/keda/v2/apis/keda/v1alpha1
• Use Patch to set FallbackCondition on ScaledObject.Status (#2037)
• Bump Golang to 1.17.3 (#2329)
• Add Makefile mockgen targets (#2090|#2184)
• Add github action to run e2e command "on-demand" (#2241)
• Add execution url in the pr-e2e triggering comment and fix problem related with not starting with (#2306)

New Contributors

• @fbalicchia made their first contribution in #2051
• @chapurlatn made their first contribution in #2085
• @bpinske made their first contribution in #2092
• @mihaitodor made their first contribution in #2137
• @dtsioumas made their first contribution in #2157
• @Deichindianer made their first contribution in #2212
• @jerbob92 made their first contribution in #2181
• @etamarw made their first contribution in #2164
• @jmalvarezf-lmes made their first contribution in #2225
• @fivesheep made their first contribution in #2243
• @sosoftmandruszak made their first contribution in #2264
• @Friedrich42 made their first contribution in #2266
• @endersonmenezes made their first contribution in #2297
• @orphaner made their first contribution in #2311
• @allupaku made their first contribution in #2345

Full Changelog: v2.4.0...v2.5.0

Detailed Overview

• Update Python in dev containers and add .gitattributes by @JorTurFer in #2021
• validation and check in cron scaler for same start and end case by @Ritikaa96 in #2032
• chore: KEDA was accepted as CNCF Incubation project by @tomkerkhove in #2039
• Add Bearer Auth for Metrics API scaler by @JorTurFer in #2028
• Update cron scaler to parse the cron with parser instead of searching for '-' by @JorTurFer in #2038
• adapt test to #381 by @fbalicchia in #2051
• use Patch to set FallbackCondition on ScaledObject.Status by @zroubalik in #2037
• Escape queueName and vhostName in RabbitMQ Scaler before use them in query string (bug fix) by @JorTurFer in #2055
• Anonymize the host in case of HTTP failure (RabbitMQ Scaler) by @JorTurFer in #2041
• Update Makefile to ensure that bash is used instead of sh or another by @JorTurFer in #2061
• Adds explicit the option of setting KEDA_HTTP_DEFAULT_TIMEOUT by @JorTurFer in #2062
• fix typo in isScalableCache by @zroubalik in #2064
• build-tools image: bump Golang to 1.16.7 by @zroubalik in #2067
• bump golangci-lint to 1.42.0 by @zroubalik in #2066
• bump Golang to 1.16.7 by @zroubalik in #2065
• Bump bruc...

KEDA 2.4.0

We are happy to release KEDA 2.4.0 🎉

Here are some highlights:

• Introducing a new Solace PubSub+ Event Broker scaler
• Introducing a new Selenium Grid scaler
• Introducing a new Kubernetes Workload scaler
• Introduce fallback functionality
• Introduce Idle Replica Mode

Learn how to deploy KEDA by reading our documentation.

New

• Add Solace PubSub+ Event Broker scaler (#1945)
• Add Selenium Grid scaler (#1971)
• Add Kubernetes Workload scaler (#2010)
• Introduce fallback functionality (#1872)
• Introduce Idle Replica Mode (#1958)
• ScaledJob - Support pod conditions for pending job count calculation (#1970|#2009)

Improvements

• Optimize Kafka scaler by fetching all topic offsets using a single HTTP request (#1956)
• Adding ability to specify Kafka Broker Version (#1866)
• Support custom metric name in RabbitMQ scaler (#1976)
• Support using regex to select the queues in RabbitMQ scaler (#1957)
• Extend Azure Monitor scaler to support custom metrics (#1883)
• Support non-public cloud environments in the Azure Service Bus scaler (#1907)
• Support non-public cloud environments in the Azure Storage Queue and Azure Storage Blob scalers (#1863)
• Adjusts InfluxDB scaler to support queries that return integers in addition to those that return floats (#1977)
• Allow InfluxDB authToken, serverURL, and organizationName to be sourced from (Cluster)TriggerAuthentication (#1904)
• IBM MQ scaler password handling fix (#1939)
• Metrics APIServer: Add ratelimiting parameters to override client (#1944)
• Fix READY and ACTIVE fields of ScaledJob to show status when we run kubectl get sj (#1855)
• Show HashiCorp Vault Address when using kubectl get ta or kubectl get cta (#1862)
• Don't panic when HashiCorp Vault path doesn't exist (#1864)

Breaking Changes

• Fix keda-system-auth-delegator ClusterRoleBinding name (#1616). Upgrading may leave a stray ClusterRoleBinding with the old name keda:system:auth-delegator behind.

Other

• Use scaled[object/job].keda.sh/ prefix for KEDA related labels (#2008)

KEDA 2.3.0

We are happy to release KEDA 2.3.0 🎉

Here are some highlights:

• Introducing a new Azure Pipelines scaler
• Introducing a new OpenStack Metrics scaler
• New authentication options for Prometheus

Learn how to deploy KEDA by reading our documentation.

New

• Add Azure Pipelines Scaler (#1706)
• Add OpenStack Metrics Scaler (#1382)
• Added basic, tls and bearer authentication support to the Prometheus scaler #1559
• Add header Origin to Apache Artemis scaler #1796

Improvements

• Azure Service Bus Scaler: Namespace from connectionString parameter is added to metricName due to uniqueness violation for clusters having more than one queue with the same name (#1755)
• Remove app.kubernetes.io/version label from label selectors (#1696)
• Apache Kafka Scaler: Add allowIdleConsumers to the list of trigger parameters (#1684)
• Fixed goroutine leaks in usage of timers (#1704 | #1739)
• Setting timeouts in the HTTP client used by the IBM MQ scaler (#1758)
• Fix cleanup of removed triggers (#1768)
• Eventhub Scaler: Add trigger parameter checkpointStrategy to support more language-specific checkpoints (#1621)
• Fix Azure Blob scaler when using multiple triggers with the same blobContainerName and added a optional metricName field (#1816)

Breaking Changes

• None.

KEDA 2.2.0

We are happy to release KEDA 2.2.0 🎉

Here are some highlights:

• Introducing a new Microsoft SQL Server scaler
• KEDA emits Kubernetes Events
• Adding several performance related improvements
• ScaledJob supports metadata labels in Job template
• Improving AWS SQS, Metrics API, OpenStack Swift and RabbitMQ scaler

Learn how to deploy KEDA by reading our documentation.

New

• Emit Kubernetes Events on KEDA events (#1523 | #1647)
• Support Quantities in Metrics API scaler (#1667)
• Add Microsoft SQL Server (MSSQL) scaler (#674 | docs)
• Add publishRate trigger to RabbitMQ scaler (#1653)
• ScaledJob: support metadata labels in Job template (#1686)

Improvements

• Add KEDA_HTTP_DEFAULT_TIMEOUT support in Operator (#1548)
• Removed MIN field for ScaledJob (#1553)
• Add container port for Prometheus on Operator YAML (#1562)
• Fix a memory leak in Kafka client and close push scalers (#1565)
• Add 'Metadata' header to AAD podIdentity request (#1566)
• KEDA should make sure generate correct labels for HPA (#1630)
• Fix memory leak by checking triggers uniqueness properly (#1640)
• Print correct ScaleTarget Kind in Events (#1641)
• Fixed KEDA ClusterRoles to give permissions for ClusterTriggerAuthentications (#1645)
• Make swiftURL parameter optional for the OpenStack Swift scaler (#1652)
• Fix memory leak of keda-metrics-apiserver by setting a controller-runtime logger properly (#1654)
• AWS SQS Scaler: Add Visible + NotVisible messages for scaling considerations (#1664)
• Fixing behavior on ScaledJob with incorrect External Scaler (#1672)

Breaking Changes

• None.

KEDA 2.1.0

We are happy to release KEDA v2.1.0 🎉

Here are some highlights:

• Introduction of ClusterTriggerAuthentication for cluster-wide trigger authentication
• Introducing new InfluxDB, MongoDB & OpenStack Swift scaler
• Improvements to AWS Cloudwatch, Azure Event Hub, Kafka & Redis scalers
• Automatically determine the RabbitMQ protocol (when possible)
• Support for Redis clusters
• Performance improvements

Learn how to deploy KEDA by reading our documentation.

New

• Global authentication credentials can be managed using ClusterTriggerAuthentication objects (#1452)
• Introducing InfluxDB scaler (#1239)
• Introducing OpenStack Swift scaler (#1342)
• Support for Redis clusters in Redis list & Redis streams scalers (#1437)
• Use Pod Identity with Azure Event Hub scaler (#994)
• Automatically determine the RabbitMQ protocol when possible
• Support for setting the RabbitMX protocol via TriggerAuthentication (#1459, #1483)
• Support for multi-dimensional metrics in AWS Cloudwatch Scaler (#1230)
• Show MIN/MAX replica counts when using kubectl get scaledobject/scaledjob (#1534)
• Introducing MongoDB scaler (#1467)

Improvements

• Support add ScaledJob's label to its job (#1311)
• Override the vhost on a RabbitMQ scaler via vhostName in the metadata (#1451)
• Bug fix in aws_iam_authorization to utilize correct secret from env key name (#1332)
• Add metricName field to postgres scaler and auto generate if not defined (#1381)
• Mask password in postgres scaler auto generated metricName (#1381)
• Bug fix for pending jobs in ScaledJob's accurateScalingStrategy (#1323)
• Fix memory leak because of unclosed scalers (#1413)
• Optimize Kafka scaler's getLagForPartition function (#1464)
• Reduce unnecessary /scale requests from ScaledObject controller (#1453)
• Add support for the WATCH_NAMESPACE environment variable to the operator (#1474)
• Improve performance when fetching pod information (#1457)
• Improve performance when fetching current scaling information on Deployments (#1458)
• Improve error reporting in prometheus scaler (#1497)
• Check that metricNames are unique in ScaledObject (#1390)
• Serve OpenAPI spec from KEDA Metrics Apiserver (#1512)
• Fix unnecessary HPA updates when Resource based Trigger is used (#1541)

Breaking Changes

None.

Other

• Bump go module version to v2 (#1324)