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feat: Add kafka-go based kafka scaler #4801

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Sep 25, 2023
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1 change: 1 addition & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ To learn more about active deprecations, we recommend checking [GitHub Discussio

### New

- **General**: A new experimental Kafka Scaler implementation using kafka-go library `apache-kafka` ([#4692](https://github.com/kedacore/keda/issues/4692))
- **General**: Introduce new Google Cloud Tasks scaler functionality to scale based on the queue length ([#3613](https://github.com/kedacore/keda/issues/3613))
- **AWS SQS Scaler**: Support for scaling to include delayed messages. ([#4377](https://github.com/kedacore/keda/issues/4377))
- **Governance**: KEDA transitioned to CNCF Graduated project ([#63](https://github.com/kedacore/governance/issues/63))
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2 changes: 2 additions & 0 deletions go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,8 @@ require (
github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475
github.com/redis/go-redis/v9 v9.1.0
github.com/robfig/cron/v3 v3.0.1
github.com/segmentio/kafka-go v0.4.42
github.com/segmentio/kafka-go/sasl/aws_msk_iam_v2 v0.1.0
github.com/spf13/pflag v1.0.5
github.com/stretchr/testify v1.8.4
github.com/tidwall/gjson v1.16.0
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20 changes: 20 additions & 0 deletions go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -147,20 +147,27 @@ github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj
github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3dyBCFEj5IhUbnKptjxatkF07cF2ak3yi77so=
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
github.com/aws/aws-sdk-go-v2 v1.16.12/go.mod h1:C+Ym0ag2LIghJbXhfXZ0YEEp49rBWowxKzJLUoob0ts=
github.com/aws/aws-sdk-go-v2 v1.21.0 h1:gMT0IW+03wtYJhRqTVYn0wLzwdnK9sRMcxmtfGzRdJc=
github.com/aws/aws-sdk-go-v2 v1.21.0/go.mod h1:/RfNgGmRxI+iFOB1OeJUyxiU+9s88k3pfHvDagGEp0M=
github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13 h1:OPLEkmhXf6xFPiz0bLeDArZIDx1NNS4oJyG4nv3Gct0=
github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.13/go.mod h1:gpAbvyDGQFozTEmlTFO8XcQKHzubdq0LzRyJpG6MiXM=
github.com/aws/aws-sdk-go-v2/config v1.17.2/go.mod h1:jumS/AMwul4WaG8vyXsF6kUndG9zndR+yfYBwl4i9ds=
github.com/aws/aws-sdk-go-v2/config v1.18.38 h1:CByQCELMgm2tM1lAehx3XNg0R/pfeXsYzqn0Aq2chJQ=
github.com/aws/aws-sdk-go-v2/config v1.18.38/go.mod h1:vNm9Hf5VgG2fSUWhT3zFrqN/RosGcabFMYgiSoxKFU8=
github.com/aws/aws-sdk-go-v2/credentials v1.12.15/go.mod h1:41zTC6U/78fUD7ZCa5NymTJANDjfqySg5YEAYVFl2Ic=
github.com/aws/aws-sdk-go-v2/credentials v1.13.36 h1:ps0cPswZjpsOk6sLwG6fdXTzrYjCplgPEyG3OUbbdqE=
github.com/aws/aws-sdk-go-v2/credentials v1.13.36/go.mod h1:sY2phUzxbygoyDtTXhqi7GjGjCQ1S5a5Rj8u3ksBxCg=
github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.13/go.mod h1:y0eXmsNBFIVjUE8ZBjES8myOHlMsXDz7qGT93+MVdjk=
github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.11 h1:uDZJF1hu0EVT/4bogChk8DyjSF6fof6uL/0Y26Ma7Fg=
github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.11/go.mod h1:TEPP4tENqBGO99KwVpV9MlOX4NSrSLP8u3KRy2CDwA8=
github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.19/go.mod h1:llxE6bwUZhuCas0K7qGiu5OgMis3N7kdWtFSxoHmJ7E=
github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.41 h1:22dGT7PneFMx4+b3pz7lMTRyN8ZKH7M2cW4GP9yUS2g=
github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.41/go.mod h1:CrObHAuPneJBlfEJ5T3szXOUkLEThaGfvnhTf33buas=
github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.13/go.mod h1:lB12mkZqCSo5PsdBFLNqc2M/OOYgNAy8UtaktyuWvE8=
github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.35 h1:SijA0mgjV8E+8G45ltVHs0fvKpTj8xmZJ3VwhGKtUSI=
github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.35/go.mod h1:SJC1nEVVva1g3pHAIdCp7QsRIkMmLAgoDquQ9Rr8kYw=
github.com/aws/aws-sdk-go-v2/internal/ini v1.3.20/go.mod h1:bfTcsThj5a9P5pIGRy0QudJ8k4+issxXX+O6Djnd5Cs=
github.com/aws/aws-sdk-go-v2/internal/ini v1.3.42 h1:GPUcE/Yq7Ur8YSUk6lVkoIMWnJNO0HT18GUzCWCgCI0=
github.com/aws/aws-sdk-go-v2/internal/ini v1.3.42/go.mod h1:rzfdUlfA+jdgLDmPKjd3Chq9V7LVLYo1Nz++Wb91aRo=
github.com/aws/aws-sdk-go-v2/service/cloudwatch v1.27.6 h1:YUQGnci0QY+X+tu7XI7zy2vnUjmuUw0VT4OC1SikKIw=
Expand All @@ -173,18 +180,23 @@ github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.14 h1:m0QTSI6
github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.14/go.mod h1:dDilntgHy9WnHXsh7dDtUPgHKEfTJIBUTHM8OWm0f/0=
github.com/aws/aws-sdk-go-v2/service/internal/endpoint-discovery v1.7.35 h1:UKjpIDLVF90RfV88XurdduMoTxPqtGHZMIDYZQM7RO4=
github.com/aws/aws-sdk-go-v2/service/internal/endpoint-discovery v1.7.35/go.mod h1:B3dUg0V6eJesUTi+m27NUkj7n8hdDKYUpxj8f4+TqaQ=
github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.13/go.mod h1:V390DK4MQxLpDdXxFqizyz8KUxuWImkW/xzgXMz0yyk=
github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.35 h1:CdzPW9kKitgIiLV1+MHobfR5Xg25iYnyzWZhyQuSlDI=
github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.35/go.mod h1:QGF2Rs33W5MaN9gYdEQOBBFPLwTZkEhRwI33f7KIG0o=
github.com/aws/aws-sdk-go-v2/service/kinesis v1.18.5 h1:naSZmQiFjoTLxNjfDy/KgEnWdG3odkR6gIEgTx21YOM=
github.com/aws/aws-sdk-go-v2/service/kinesis v1.18.5/go.mod h1:0h3hOcyFXyjvI3wGt8C8vk2+II9XxHwFM7zH2KvLHmA=
github.com/aws/aws-sdk-go-v2/service/sqs v1.24.5 h1:RyDpTOMEJO6ycxw1vU/6s0KLFaH3M0z/z9gXHSndPTk=
github.com/aws/aws-sdk-go-v2/service/sqs v1.24.5/go.mod h1:RZBu4jmYz3Nikzpu/VuVvRnTEJ5a+kf36WT2fcl5Q+Q=
github.com/aws/aws-sdk-go-v2/service/sso v1.11.18/go.mod h1:ytmEi5+qwcSNcV2pVA8PIb1DnKT/0Bu/K4nfJHwoM6c=
github.com/aws/aws-sdk-go-v2/service/sso v1.13.6 h1:2PylFCfKCEDv6PeSN09pC/VUiRd10wi1VfHG5FrW0/g=
github.com/aws/aws-sdk-go-v2/service/sso v1.13.6/go.mod h1:fIAwKQKBFu90pBxx07BFOMJLpRUGu8VOzLJakeY+0K4=
github.com/aws/aws-sdk-go-v2/service/ssooidc v1.13.1/go.mod h1:NY+G+8PW0ISyJ7/6t5mgOe6qpJiwZa9Jix05WPscJjg=
github.com/aws/aws-sdk-go-v2/service/ssooidc v1.15.5 h1:dnInJb4S0oy8aQuri1mV6ipLlnZPfnsDNB9BGO9PDNY=
github.com/aws/aws-sdk-go-v2/service/ssooidc v1.15.5/go.mod h1:yygr8ACQRY2PrEcy3xsUI357stq2AxnFM6DIsR9lij4=
github.com/aws/aws-sdk-go-v2/service/sts v1.16.14/go.mod h1:Y+BUV19q3OmQVqNUlbZ40zVi3NM6Biuxwkx/qdSD/CY=
github.com/aws/aws-sdk-go-v2/service/sts v1.21.5 h1:CQBFElb0LS8RojMJlxRSo/HXipvTZW2S44Lt9Mk2aYQ=
github.com/aws/aws-sdk-go-v2/service/sts v1.21.5/go.mod h1:VC7JDqsqiwXukYEDjoHh9U0fOJtNWh04FPQz4ct4GGU=
github.com/aws/smithy-go v1.13.0/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA=
github.com/aws/smithy-go v1.14.2 h1:MJU9hqBGbvWZdApzpvoF2WAIJDbtjK2NDJSiJP7HblQ=
github.com/aws/smithy-go v1.14.2/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA=
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
Expand Down Expand Up @@ -600,6 +612,7 @@ github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvW
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
github.com/klauspost/compress v1.15.7/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/klauspost/compress v1.16.7 h1:2mk3MPGNzKyxErAw8YaohYh69+pa4sIQSC0fPGCFR9I=
github.com/klauspost/compress v1.16.7/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
Expand Down Expand Up @@ -719,6 +732,7 @@ github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FI
github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5 h1:Ii+DKncOVM8Cu1Hc+ETb5K+23HdAMvESYE3ZJ5b5cMI=
github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE=
github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
github.com/pierrec/lz4/v4 v4.1.18 h1:xaKrnTkyoqfh1YItXl56+6KJNVYWlEEPuAQW9xsplYQ=
github.com/pierrec/lz4/v4 v4.1.18/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA=
Expand Down Expand Up @@ -774,6 +788,11 @@ github.com/ryanuber/go-glob v1.0.0/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIH
github.com/samber/lo v1.37.0 h1:XjVcB8g6tgUp8rsPsJ2CvhClfImrpL04YpQHXeHPhRw=
github.com/samber/lo v1.37.0/go.mod h1:9vaz2O4o8oOnK23pd2TrXufcbdbJIa3b6cstBWKpopA=
github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
github.com/segmentio/kafka-go v0.4.34/go.mod h1:GAjxBQJdQMB5zfNA21AhpaqOB2Mu+w3De4ni3Gbm8y0=
github.com/segmentio/kafka-go v0.4.42 h1:qffhBZCz4WcWyNuHEclHjIMLs2slp6mZO8px+5W5tfU=
github.com/segmentio/kafka-go v0.4.42/go.mod h1:d0g15xPMqoUookug0OU75DhGZxXwCFxSLeJ4uphwJzg=
github.com/segmentio/kafka-go/sasl/aws_msk_iam_v2 v0.1.0 h1:Fjet4CFbGyWMbvwWb42PKZwKdpDksSB7eaPi9Ap6EKY=
github.com/segmentio/kafka-go/sasl/aws_msk_iam_v2 v0.1.0/go.mod h1:zk5DCsbNtQ0BhooxFaVpLBns0tArkR/xE+4oq2MvCq0=
github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=
github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5gKV8=
github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
Expand Down Expand Up @@ -1012,6 +1031,7 @@ golang.org/x/net v0.0.0-20210610132358-84b48f89b13b/go.mod h1:9nx3DQGgdP8bBQD5qx
golang.org/x/net v0.0.0-20210913180222-943fd674d43e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20220706163947-c90051bbdb60/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.0.0-20220906165146-f3363e06e74c/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
Expand Down