Add PredictKube scaler

CHANGELOG.md

@@ -26,6 +26,7 @@
 - Add New Relic Scaler ([#2387](https://github.com/kedacore/keda/pull/2387))
 - Add ActiveMQ Scaler ([#2305](https://github.com/kedacore/keda/pull/2305))
 - Add New Datadog Scaler ([#2354](https://github.com/kedacore/keda/pull/2354))
+- Add PredictKube Scaler ([#2418](https://github.com/kedacore/keda/pull/2418))
 
 ### Improvements
 

Makefile

@@ -93,14 +93,20 @@ e2e-test-local: ## Run e2e tests against Kubernetes cluster configured in ~/.kub
 
 ##@ Development
 
+install-go-enum:
+	$(GOROOT)/bin/go get github.com/searKing/golang/tools/cmd/go-enum
+
+enums-gen: install-go-enum
+	$(GOROOT)/bin/go generate ./...
+
 manifests: controller-gen ## Generate ClusterRole and CustomResourceDefinition objects.
 	$(CONTROLLER_GEN) crd:crdVersions=v1 rbac:roleName=keda-operator paths="./..." output:crd:artifacts:config=config/crd/bases
 	# withTriggers is only used for duck typing so we only need the deepcopy methods
 	# However operator-sdk generate doesn't appear to have an option for that
 	# until this issue is fixed: https://github.com/kubernetes-sigs/controller-tools/issues/398
 	rm config/crd/bases/keda.sh_withtriggers.yaml
 
-generate: controller-gen mockgen-gen ## Generate code containing DeepCopy, DeepCopyInto, DeepCopyObject method implementations (API) and mocks.
+generate: controller-gen mockgen-gen enums-gen ## Generate code containing DeepCopy, DeepCopyInto, DeepCopyObject method implementations (API) and mocks.
 	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
 
 adapter/generated/openapi/zz_generated.openapi.go: go.mod go.sum ## Generate OpenAPI for KEDA Metrics Adapter.

go.mod

@@ -13,14 +13,17 @@ require (
 	github.com/Azure/azure-storage-queue-go v0.0.0-20191125232315-636801874cdd
 	github.com/Azure/go-autorest/autorest v0.11.22
 	github.com/Azure/go-autorest/autorest/azure/auth v0.5.9
-	github.com/DataDog/datadog-api-client-go v1.6.0 // indirect
+	github.com/DataDog/datadog-api-client-go v1.8.0
 	github.com/Huawei/gophercloud v1.0.21
 	github.com/Shopify/sarama v1.30.0
 	github.com/aws/aws-sdk-go v1.42.16
 	github.com/denisenkom/go-mssqldb v0.11.0
+	github.com/dysnix/predictkube-libs v0.0.0-20220110175435-6a14c5918e22
+	github.com/dysnix/predictkube-proto v0.0.0-20211223141524-d309509b6b5f
 	github.com/elastic/go-elasticsearch/v7 v7.15.1
 	github.com/go-logr/logr v0.4.0
 	github.com/go-playground/assert/v2 v2.0.1
+	github.com/go-playground/validator/v10 v10.9.0
 	github.com/go-redis/redis/v8 v8.11.4
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/gocql/gocql v0.0.0-20211015133455-b225f9b53fa1
@@ -32,16 +35,20 @@ require (
 	github.com/influxdata/influxdb-client-go/v2 v2.6.0
 	github.com/lib/pq v1.10.4
 	github.com/mitchellh/hashstructure v1.1.0
+	github.com/newrelic/newrelic-client-go v0.68.3
 	github.com/onsi/ginkgo v1.16.5
 	github.com/onsi/gomega v1.17.0
+	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/common v0.32.1
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/streadway/amqp v1.0.0
 	github.com/stretchr/testify v1.7.0
 	github.com/tidwall/gjson v1.12.1
 	github.com/xdg/scram v1.0.3
+	github.com/xhit/go-str2duration/v2 v2.0.0
 	go.mongodb.org/mongo-driver v1.8.0
 	google.golang.org/api v0.60.0
 	google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1
@@ -78,6 +85,7 @@ require (
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/PuerkitoBio/purell v1.1.1 // indirect
 	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/andybalholm/brotli v1.0.3 // indirect
 	github.com/armon/go-metrics v0.3.9 // indirect
 	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
@@ -103,16 +111,17 @@ require (
 	github.com/envoyproxy/protoc-gen-validate v0.1.0 // indirect
 	github.com/evanphx/json-patch v4.11.0+incompatible // indirect
 	github.com/evanphx/json-patch/v5 v5.6.0 // indirect
-	github.com/fatih/color v1.7.0 // indirect
+	github.com/fatih/color v1.9.0 // indirect
 	github.com/felixge/httpsnoop v1.0.1 // indirect
 	github.com/form3tech-oss/jwt-go v3.2.3+incompatible // indirect
 	github.com/fsnotify/fsnotify v1.4.9 // indirect
 	github.com/go-logr/zapr v0.4.0 // indirect
 	github.com/go-openapi/jsonpointer v0.19.5 // indirect
 	github.com/go-openapi/jsonreference v0.19.5 // indirect
 	github.com/go-openapi/swag v0.19.15 // indirect
+	github.com/go-playground/locales v0.14.0 // indirect
+	github.com/go-playground/universal-translator v0.18.0 // indirect
 	github.com/go-stack/stack v1.8.0 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
@@ -122,6 +131,7 @@ require (
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/gax-go/v2 v2.1.1 // indirect
 	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
@@ -155,35 +165,43 @@ require (
 	github.com/jpillora/backoff v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.11 // indirect
 	github.com/klauspost/compress v1.13.6 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.8 // indirect
 	github.com/mattn/go-ieproxy v0.0.1 // indirect
 	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/mitchellh/go-testing-interface v1.0.0 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.2 // indirect
 	github.com/mitchellh/reflectwalk v1.0.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/newrelic/newrelic-client-go v0.68.3 // indirect
+	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/oklog/run v1.0.0 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
-	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
+	github.com/searKing/golang v1.0.145 // indirect
+	github.com/searKing/golang/tools/cmd/go-enum v0.0.0-20210618061541-6f9001ab7f06 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cobra v1.1.3 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 // indirect
+	github.com/ulikunitz/unixtime v0.1.2 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.31.0 // indirect
+	github.com/wagslane/go-password-validator v0.3.0 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.0.2 // indirect
 	github.com/xdg-go/stringprep v1.0.2 // indirect
@@ -209,7 +227,7 @@ require (
 	go.uber.org/zap v1.19.1 // indirect
 	golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8 // indirect
 	golang.org/x/mod v0.4.2 // indirect
-	golang.org/x/net v0.0.0-20211101193420-4a448f8816b3 // indirect
+	golang.org/x/net v0.0.0-20211104170005-ce137452f963 // indirect
 	golang.org/x/oauth2 v0.0.0-20211028175245-ba495a64dcb5 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20211116061358-0a5406a5449c // indirect