Update supported K8s version for skipper-collector

Signed-off-by: Katyanna Moura <amelie.kn@gmail.com>

.github/workflows/ci.yaml

@@ -1,7 +1,5 @@
 name: ci
 on: [push, pull_request]
-env:
-  GO111MODULE: on
 jobs:
   tests:
     runs-on: ubuntu-latest
@@ -9,14 +7,12 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: '^1.16'
+        go-version: '^1.18'
     - run: go version
-    - run: go get github.com/mattn/goveralls
+    - run: go install github.com/mattn/goveralls@latest
+    - run: curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_RELEASE}
       env:
-        GO111MODULE: off
-    - run: curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_RELEASE}
-      env:
-        GOLANGCI_RELEASE: v1.37.0
+        GOLANGCI_RELEASE: v1.46.2
     - run: make build.docker
     - run: make test
     - run: make check

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,72 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "master" ]
+  schedule:
+    - cron: '29 17 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        
+        # Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+        # queries: security-extended,security-and-quality
+
+        
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+    #   If the Autobuild fails above, remove it and uncomment the following three lines. 
+    #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+
+    # - run: |
+    #   echo "Run, Build Application using script"
+    #   ./location_of_script_within_repo/buildscript.sh
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2

README.md

@@ -320,7 +320,7 @@ box so users don't have to define those manually.
 
 | Metric | Description | Type | Kind | K8s Versions |
 | ----------- | -------------- | ------ | ---- | ---- |
-| `requests-per-second` | Scale based on requests per second for a certain ingress or routegroup. | Object | `Ingress`, `RouteGroup` | `>=1.14` |
+| `requests-per-second` | Scale based on requests per second for a certain ingress or routegroup. | Object | `Ingress`, `RouteGroup` | `>=1.19` |
 
 ### Example
 

docs/helm/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: kube-metrics-adapter
-version: 0.1.11
+version: 0.1.18
 description: kube-metrics-adapter helm chart
 home: https://github.com/zalando-incubator/kube-metrics-adapter
 maintainers:

docs/helm/templates/deployment.yaml

@@ -16,8 +16,23 @@ spec:
       labels:
         application: kube-metrics-adapter
         version: {{ .Values.registry.imageTag }}
+      {{- if .Values.podAnnotations }}
+      annotations: {{- toYaml .Values.podAnnotations | nindent 8 }}
+      {{- end }}
     spec:
       serviceAccountName: kube-metrics-adapter
+    {{- if .Values.nodeSelector }}
+      nodeSelector: {{ toYaml .Values.nodeSelector | nindent 8 }}
+    {{- end }}
+    {{- if .Values.tolerations }}
+      tolerations: {{ toYaml .Values.tolerations | nindent 8 }}
+    {{- end }}
+    {{- if .Values.affinity }}
+      affinity: {{ toYaml .Values.affinity | nindent 8 }}
+    {{- end }}
+    {{- if .Values.priorityClassName }}
+      priorityClassName: {{ .Values.priorityClassName | quote }}
+    {{- end }}
       containers:
         - name: kube-metrics-adapter
           image: {{ .Values.registry.image}}:{{ .Values.registry.imageTag }}

docs/helm/templates/rbac.yaml

@@ -60,7 +60,7 @@ rules:
   verbs:
   - get
 - apiGroups:
-  - extensions
+  - networking.k8s.io
   resources:
   - ingresses
   verbs:

docs/helm/values.yaml

@@ -95,3 +95,14 @@ resources:
 
 scalingSchedule:
   enabled: false
+
+nodeSelector:
+  kubernetes.io/os: linux
+
+tolerations: []
+
+affinity: {}
+
+priorityClassName: ""
+
+podAnnotations: {}

docs/rbac.yaml

@@ -67,7 +67,6 @@ rules:
 # only relevant if running with the flag:
 # --skipper-ingress-metrics
 - apiGroups:
-  - extensions
   - networking.k8s.io
   resources:
   - ingresses

example/deploy/hpa.yaml

@@ -39,7 +39,7 @@ spec:
   - type: Object
     object:
       describedObject:
-        apiVersion: extensions/v1beta1
+        apiVersion: networking.k8s.io/v1
         kind: Ingress
         name: custom-metrics-consumer
       metric:

example/deploy/ingress.yaml

@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: custom-metrics-consumer

go.mod

@@ -1,18 +1,18 @@
 module github.com/zalando-incubator/kube-metrics-adapter
 
 require (
-	github.com/aws/aws-sdk-go v1.42.52
+	github.com/aws/aws-sdk-go v1.44.25
 	github.com/influxdata/influxdb-client-go v0.2.0
 	github.com/kubernetes-sigs/custom-metrics-apiserver v0.0.0-20201216091021-1b9fa998bbaa
-	github.com/prometheus/client_golang v1.12.1
-	github.com/prometheus/common v0.32.1
+	github.com/prometheus/client_golang v1.12.2
+	github.com/prometheus/common v0.34.0
 	github.com/sirupsen/logrus v1.8.1
-	github.com/spf13/cobra v1.3.0
+	github.com/spf13/cobra v1.4.0
 	github.com/spyzhov/ajson v0.7.1
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.7.1
 	github.com/szuecs/routegroup-client v0.21.0
 	github.com/zalando-incubator/cluster-lifecycle-manager v0.0.0-20220201095549-bbdeecaa4fc1
-	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8
+	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b
 	k8s.io/api v0.23.0
 	k8s.io/apimachinery v0.23.0
 	k8s.io/apiserver v0.23.0
@@ -93,7 +93,7 @@ require (
 	go.uber.org/zap v1.19.0 // indirect
 	golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838 // indirect
 	golang.org/x/mod v0.5.1 // indirect
-	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
+	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20220209214540-3681064d5158 // indirect
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
@@ -120,4 +120,4 @@ require (
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
-go 1.17
+go 1.18

pkg/collector/skipper_collector.go

@@ -162,7 +162,7 @@ func (c *SkipperCollector) getCollector(ctx context.Context) (Collector, error)
 	var backendWeight float64
 	switch c.objectReference.Kind {
 	case "Ingress":
-		ingress, err := c.client.NetworkingV1beta1().Ingresses(c.objectReference.Namespace).Get(ctx, c.objectReference.Name, metav1.GetOptions{})
+		ingress, err := c.client.NetworkingV1().Ingresses(c.objectReference.Namespace).Get(ctx, c.objectReference.Name, metav1.GetOptions{})
 		if err != nil {
 			return nil, err
 		}

pkg/collector/skipper_collector_test.go

@@ -14,7 +14,7 @@ import (
 	appsv1 "k8s.io/api/apps/v1"
 	autoscalingv2 "k8s.io/api/autoscaling/v2beta2"
 	corev1 "k8s.io/api/core/v1"
-	v1beta1 "k8s.io/api/networking/v1beta1"
+	netv1 "k8s.io/api/networking/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
@@ -547,29 +547,31 @@ func makeIngress(client kubernetes.Interface, namespace, resourceName, backend s
 		}
 		annotations[anno] = string(sWeights)
 	}
-	ingress := &v1beta1.Ingress{
+	ingress := &netv1.Ingress{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:        resourceName,
 			Annotations: annotations,
 		},
-		Spec: v1beta1.IngressSpec{
-			Backend: &v1beta1.IngressBackend{
-				ServiceName: backend,
+		Spec: netv1.IngressSpec{
+			DefaultBackend: &netv1.IngressBackend{
+				Service: &netv1.IngressServiceBackend{
+					Name: backend,
+				},
 			},
 			TLS: nil,
 		},
-		Status: v1beta1.IngressStatus{
+		Status: netv1.IngressStatus{
 			LoadBalancer: corev1.LoadBalancerStatus{
 				Ingress: nil,
 			},
 		},
 	}
 	for _, hostname := range hostnames {
-		ingress.Spec.Rules = append(ingress.Spec.Rules, v1beta1.IngressRule{
+		ingress.Spec.Rules = append(ingress.Spec.Rules, netv1.IngressRule{
 			Host: hostname,
 		})
 	}
-	_, err := client.NetworkingV1beta1().Ingresses(namespace).Create(context.TODO(), ingress, metav1.CreateOptions{})
+	_, err := client.NetworkingV1().Ingresses(namespace).Create(context.TODO(), ingress, metav1.CreateOptions{})
 	return err
 }
 

pkg/provider/metric_store.go

@@ -87,8 +87,7 @@ func (s *MetricStore) insertCustomMetric(value custom_metrics.MetricValue) {
 			Resource: "pods",
 		}
 	case "Ingress":
-		// group can be either `extensions` or `networking.k8s.io`
-		group := "extensions"
+		group := "networking.k8s.io"
 		gv, err := schema.ParseGroupVersion(value.DescribedObject.APIVersion)
 		if err == nil {
 			group = gv.Group

pkg/provider/metric_store_test.go

@@ -320,7 +320,7 @@ func TestInternalMetricStorage(t *testing.T) {
 					DescribedObject: custom_metrics.ObjectReference{
 						Name:       "metricObject",
 						Kind:       "Ingress",
-						APIVersion: "extensions/v1beta1",
+						APIVersion: "networking.k8s.io/v1",
 					},
 				},
 			},
@@ -328,7 +328,7 @@ func TestInternalMetricStorage(t *testing.T) {
 			list: []provider.CustomMetricInfo{
 				{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -342,7 +342,7 @@ func TestInternalMetricStorage(t *testing.T) {
 				name: types.NamespacedName{Name: "metricObject", Namespace: ""},
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -358,7 +358,7 @@ func TestInternalMetricStorage(t *testing.T) {
 				selector:  labels.SelectorFromSet(labels.Set{"select_key": "select_value"}),
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -376,7 +376,7 @@ func TestInternalMetricStorage(t *testing.T) {
 					DescribedObject: custom_metrics.ObjectReference{
 						Name:       "metricObject",
 						Kind:       "Ingress",
-						APIVersion: "extensions/v1beta1",
+						APIVersion: "networking.k8s.io/v1",
 					},
 				},
 			},
@@ -384,7 +384,7 @@ func TestInternalMetricStorage(t *testing.T) {
 			list: []provider.CustomMetricInfo{
 				{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -398,7 +398,7 @@ func TestInternalMetricStorage(t *testing.T) {
 				name: types.NamespacedName{Name: "metricObject", Namespace: ""},
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -414,7 +414,7 @@ func TestInternalMetricStorage(t *testing.T) {
 				selector:  labels.Everything(),
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -433,7 +433,7 @@ func TestInternalMetricStorage(t *testing.T) {
 						Name:       "metricObject",
 						Namespace:  "right",
 						Kind:       "Ingress",
-						APIVersion: "extensions/v1beta1",
+						APIVersion: "networking.k8s.io/v1",
 					},
 				},
 			},
@@ -441,7 +441,7 @@ func TestInternalMetricStorage(t *testing.T) {
 			list: []provider.CustomMetricInfo{
 				{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: true,
@@ -455,7 +455,7 @@ func TestInternalMetricStorage(t *testing.T) {
 				name: types.NamespacedName{Name: "metricObject", Namespace: "wrong"},
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: true,
@@ -471,7 +471,7 @@ func TestInternalMetricStorage(t *testing.T) {
 				selector:  labels.Everything(),
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: true,
@@ -535,7 +535,7 @@ func TestMultipleMetricValues(t *testing.T) {
 						DescribedObject: custom_metrics.ObjectReference{
 							Name:       "metricObject",
 							Kind:       "Ingress",
-							APIVersion: "extensions/v1beta1",
+							APIVersion: "networking.k8s.io/v1",
 						},
 					},
 				},
@@ -547,7 +547,7 @@ func TestMultipleMetricValues(t *testing.T) {
 						DescribedObject: custom_metrics.ObjectReference{
 							Name:       "metricObject",
 							Kind:       "Ingress",
-							APIVersion: "extensions/v1beta1",
+							APIVersion: "networking.k8s.io/v1",
 						},
 					},
 				},
@@ -555,7 +555,7 @@ func TestMultipleMetricValues(t *testing.T) {
 			list: []provider.CustomMetricInfo{
 				{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -569,7 +569,7 @@ func TestMultipleMetricValues(t *testing.T) {
 				name: types.NamespacedName{Name: "metricObject", Namespace: ""},
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -585,7 +585,7 @@ func TestMultipleMetricValues(t *testing.T) {
 				selector:  labels.Everything(),
 				info: provider.CustomMetricInfo{
 					GroupResource: schema.GroupResource{
-						Group:    "extensions",
+						Group:    "networking.k8s.io",
 						Resource: "ingresses",
 					},
 					Namespaced: false,
@@ -831,7 +831,7 @@ func TestCustomMetricsStorageErrors(t *testing.T) {
 							Name:       "metricObject",
 							Namespace:  "default",
 							Kind:       "Ingress",
-							APIVersion: "extensions/vbeta1",
+							APIVersion: "networking.k8s.io/v1",
 						},
 					},
 				},