feat: Provide New Relic scaler

CHANGELOG.md

@@ -23,6 +23,9 @@
 
 ### New
 
+
+- Add New Relic Scaler ([#2387](https://github.com/kedacore/keda/pull/2387))
+
 - Add ActiveMQ Scaler ([#2305](https://github.com/kedacore/keda/pull/2305))
 
 - TODO ([#XXX](https://github.com/kedacore/keda/pull/XXX))

apis/keda/v1alpha1/withtriggers_types.go

@@ -18,7 +18,6 @@ package v1alpha1
 
 import (
 	"fmt"
-	"strings"
 	"time"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -91,5 +90,5 @@ func (t *WithTriggers) GetPollingInterval() time.Duration {
 
 // GenerateIdenitifier returns identifier for the object in for "kind.namespace.name"
 func (t *WithTriggers) GenerateIdenitifier() string {
-	return strings.ToLower(fmt.Sprintf("%s.%s.%s", t.Kind, t.Namespace, t.Name))
+	return fmt.Sprintf("%s.%s.%s", t.Kind, t.Namespace, t.Name)
 }

config/rbac/role.yaml

@@ -25,13 +25,6 @@ rules:
   - get
   - list
   - watch
-- apiGroups:
-  - ""
-  resources:
-  - serviceaccounts
-  verbs:
-  - list
-  - watch
 - apiGroups:
   - '*'
   resources:

controllers/keda/scaledobject_controller.go

@@ -57,7 +57,6 @@ import (
 // +kubebuilder:rbac:groups="",resources=configmaps;configmaps/status;events,verbs="*"
 // +kubebuilder:rbac:groups="",resources=pods;services;services;secrets;external,verbs=get;list;watch
 // +kubebuilder:rbac:groups="*",resources="*/scale",verbs="*"
-// +kubebuilder:rbac:groups="",resources="serviceaccounts",verbs=list;watch
 // +kubebuilder:rbac:groups="*",resources="*",verbs=get
 // +kubebuilder:rbac:groups="apps",resources=deployments;statefulsets,verbs=list;watch
 // +kubebuilder:rbac:groups="coordination.k8s.io",resources=leases,verbs="*"

controllers/keda/scaledobject_controller_test.go

@@ -292,81 +292,6 @@ var _ = Describe("ScaledObjectController", func() {
 			Expect(hpa.Spec.Metrics[0].External.Metric.Name).To(Equal("s0-cron-UTC-0xxxx-1xxxx"))
 		})
 
-		//https://github.com/kedacore/keda/issues/2407
-		It("cache is correctly recreated if SO is deleted and created", func() {
-			// Create the scaling target.
-			err := k8sClient.Create(context.Background(), generateDeployment("cache-regenerate"))
-			Expect(err).ToNot(HaveOccurred())
-
-			// Create the ScaledObject with one trigger.
-			so := &kedav1alpha1.ScaledObject{
-				ObjectMeta: metav1.ObjectMeta{Name: "cache-regenerate", Namespace: "default"},
-				Spec: kedav1alpha1.ScaledObjectSpec{
-					ScaleTargetRef: &kedav1alpha1.ScaleTarget{
-						Name: "cache-regenerate",
-					},
-					Triggers: []kedav1alpha1.ScaleTriggers{
-						{
-							Type: "cron",
-							Metadata: map[string]string{
-								"timezone":        "UTC",
-								"start":           "0 * * * *",
-								"end":             "1 * * * *",
-								"desiredReplicas": "1",
-							},
-						},
-					},
-				},
-			}
-			err = k8sClient.Create(context.Background(), so)
-			Expect(err).ToNot(HaveOccurred())
-
-			// Get and confirm the HPA.
-			hpa := &autoscalingv2beta2.HorizontalPodAutoscaler{}
-			Eventually(func() error {
-				return k8sClient.Get(context.Background(), types.NamespacedName{Name: "keda-hpa-cache-regenerate", Namespace: "default"}, hpa)
-			}).ShouldNot(HaveOccurred())
-			Expect(hpa.Spec.Metrics).To(HaveLen(1))
-			Expect(hpa.Spec.Metrics[0].External.Metric.Name).To(Equal("s0-cron-UTC-0xxxx-1xxxx"))
-
-			// Delete the ScaledObject
-			err = k8sClient.Delete(context.Background(), so)
-			Expect(err).ToNot(HaveOccurred())
-			time.Sleep(30 * time.Second)
-
-			// Create the same ScaledObject with a change in the trigger.
-			so = &kedav1alpha1.ScaledObject{
-				ObjectMeta: metav1.ObjectMeta{Name: "cache-regenerate", Namespace: "default"},
-				Spec: kedav1alpha1.ScaledObjectSpec{
-					ScaleTargetRef: &kedav1alpha1.ScaleTarget{
-						Name: "cache-regenerate",
-					},
-					Triggers: []kedav1alpha1.ScaleTriggers{
-						{
-							Type: "cron",
-							Metadata: map[string]string{
-								"timezone":        "CET",
-								"start":           "0 * * * *",
-								"end":             "1 * * * *",
-								"desiredReplicas": "1",
-							},
-						},
-					},
-				},
-			}
-			err = k8sClient.Create(context.Background(), so)
-			Expect(err).ToNot(HaveOccurred())
-			time.Sleep(30 * time.Second)
-
-			// Get and confirm the HPA.
-			hpa2 := &autoscalingv2beta2.HorizontalPodAutoscaler{}
-			Eventually(func() error {
-				return k8sClient.Get(context.Background(), types.NamespacedName{Name: "keda-hpa-cache-regenerate", Namespace: "default"}, hpa2)
-			}).ShouldNot(HaveOccurred())
-			Expect(hpa2.Spec.Metrics).To(HaveLen(1))
-			Expect(hpa2.Spec.Metrics[0].External.Metric.Name).To(Equal("s0-cron-CET-0xxxx-1xxxx"))
-		})
-
 		It("deploys ScaledObject and creates HPA, when IdleReplicaCount, MinReplicaCount and MaxReplicaCount is defined", func() {
 
 			deploymentName := "idleminmax"

go.mod

@@ -111,11 +111,11 @@ require (
 	github.com/go-openapi/jsonreference v0.19.5 // indirect
 	github.com/go-openapi/swag v0.19.15 // 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
 	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/gax-go/v2 v2.1.1 // indirect
@@ -129,7 +129,7 @@ require (
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-plugin v1.4.3 // indirect
-	github.com/hashicorp/go-retryablehttp v0.6.6 // indirect
+	github.com/hashicorp/go-retryablehttp v0.7.0 // indirect
 	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
 	github.com/hashicorp/go-secure-stdlib/mlock v0.1.1 // indirect
 	github.com/hashicorp/go-secure-stdlib/parseutil v0.1.1 // indirect
@@ -166,6 +166,7 @@ require (
 	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/nxadm/tail v1.4.8 // indirect
 	github.com/oklog/run v1.0.0 // indirect
 	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
@@ -174,11 +175,13 @@ require (
 	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // 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/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

go.sum

@@ -263,6 +263,8 @@ github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFP
 github.com/elastic/go-elasticsearch/v7 v7.15.1 h1:Wd8RLHb5D8xPBU8vGlnLXyflkso9G+rCmsXjqH8LLQQ=
 github.com/elastic/go-elasticsearch/v7 v7.15.1/go.mod h1:OJ4wdbtDNk5g503kvlHLyErCgQwwzmDtaFC4XyOxXA4=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
+github.com/elazarl/goproxy v0.0.0-20210801061803-8e322dfb79c4/go.mod h1:Ro8st/ElPeALwNFlcTpWmkr6IoMFfkjXAvTHpevnDsM=
+github.com/elazarl/goproxy/ext v0.0.0-20190711103511-473e67f1d7d2/go.mod h1:gNh8nYJoAm43RfaxurUnxr+N1PwuFV3ZMl/efxlIlY8=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/emicklei/go-restful v2.15.0+incompatible h1:8KpYO/Xl/ZudZs5RNOEhWMBY4hmzlZhhRd9cu+jrZP4=
@@ -362,7 +364,6 @@ github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfC
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/go-test/deep v1.0.2 h1:onZX1rnHT3Wv6cqNgYyFOOlgVKJrksuCMCRvJStbMYw=
 github.com/go-test/deep v1.0.2/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
@@ -455,6 +456,8 @@ github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-github/v27 v27.0.6/go.mod h1:/0Gr8pJ55COkmv+S/yPKCczSkUPIM/LnFyubufRNIS0=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/gofuzz v1.1.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
@@ -543,6 +546,8 @@ github.com/hashicorp/go-plugin v1.4.3/go.mod h1:5fGEH17QVwTTcR0zV7yhDPLLmFX9YSZ3
 github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
 github.com/hashicorp/go-retryablehttp v0.6.6 h1:HJunrbHTDDbBb/ay4kxa1n+dLmttUlnP3V9oNE4hmsM=
 github.com/hashicorp/go-retryablehttp v0.6.6/go.mod h1:vAew36LZh98gCBJNLH42IQ1ER/9wtLZZ8meHqQvEYWY=
+github.com/hashicorp/go-retryablehttp v0.7.0 h1:eu1EI/mbirUgP5C8hVsTNaGZreBDlYiwC1FZWkvQPQ4=
+github.com/hashicorp/go-retryablehttp v0.7.0/go.mod h1:vAew36LZh98gCBJNLH42IQ1ER/9wtLZZ8meHqQvEYWY=
 github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
 github.com/hashicorp/go-rootcerts v1.0.2 h1:jzhAVGtqPKbwpyCPELlgNWhE1znq+qwJtW5Oi2viEzc=
 github.com/hashicorp/go-rootcerts v1.0.2/go.mod h1:pqUvnprVnM5bf7AOirdbb01K4ccR319Vf4pU3K5EGc8=
@@ -736,6 +741,8 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8m
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
+github.com/newrelic/newrelic-client-go v0.68.3 h1:PUGGKNakTV75+EG6tiiUvun8yqLzYr9ou9H9w0QiW+E=
+github.com/newrelic/newrelic-client-go v0.68.3/go.mod h1:VXjhsfui0rvhM9cVwnKwlidF8NbXlHZvh63ZKi6fImA=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
@@ -823,6 +830,7 @@ github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
+github.com/rogpeppe/go-charset v0.0.0-20180617210344-2471d30d28b4/go.mod h1:qgYeAmZ5ZIpBWTGllZSQnw97Dj+woV0toclVaRGI8pc=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
@@ -889,6 +897,8 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 h1:uruHq4dN7GR16kFc5fp3d1RIYzJW5onx8Ybykw2YQFA=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 h1:nrZ3ySNYwJbSpD6ce9duiP+QkD3JuLCcWkdaehUS/3Y=
+github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80/go.mod h1:iFyPdL66DjUD96XmzVL3ZntbzcflLnznH0fr99w5VqE=
 github.com/tsenart/go-tsz v0.0.0-20180814232043-cdeb9e1e981e/go.mod h1:SWZznP1z5Ki7hDT2ioqiFKEse8K9tU2OUvaRI0NeGQo=
 github.com/tsenart/vegeta/v12 v12.8.4/go.mod h1:ZiJtwLn/9M4fTPdMY7bdbIeyNeFVE8/AHbWFqCsUuho=
 github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=