store: add verticalpodautoscaler metrics

kubernetes · Jun 17, 2019 · ef2e5f4 · ef2e5f4
1 parent 5d9ecd2
commit ef2e5f4
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Showing 49 changed files with 6,405 additions and 24 deletions.
diff --git a/go.mod b/go.mod
@@ -34,6 +34,7 @@ require (
 	gopkg.in/inf.v0 v0.9.0 // indirect
 	k8s.io/api v0.0.0-20190313235455-40a48860b5ab
 	k8s.io/apimachinery v0.0.0-20190313205120-d7deff9243b1
+	k8s.io/autoscaler v0.0.0-20190612121530-8bb2354d9af9
 	k8s.io/client-go v2.0.0-alpha.0.0.20190313235726-6ee68ca5fd83+incompatible
 	k8s.io/klog v0.3.0
 	k8s.io/kube-openapi v0.0.0-20190320154901-5e45bb682580 // indirect

diff --git a/go.sum b/go.sum
@@ -111,6 +111,8 @@ k8s.io/api v0.0.0-20190313235455-40a48860b5ab h1:DG9A67baNpoeweOy2spF1OWHhnVY5KR
 k8s.io/api v0.0.0-20190313235455-40a48860b5ab/go.mod h1:iuAfoD4hCxJ8Onx9kaTIt30j7jUFS00AXQi6QMi99vA=
 k8s.io/apimachinery v0.0.0-20190313205120-d7deff9243b1 h1:IS7K02iBkQXpCeieSiyJjGoLSdVOv2DbPaWHJ+ZtgKg=
 k8s.io/apimachinery v0.0.0-20190313205120-d7deff9243b1/go.mod h1:ccL7Eh7zubPUSh9A3USN90/OzHNSVN6zxzde07TDCL0=
+k8s.io/autoscaler v0.0.0-20190612121530-8bb2354d9af9 h1:+GB3VH3tw7T8PZw4RPa9XLmYdqTnSB3qa/Zern1bhOk=
+k8s.io/autoscaler v0.0.0-20190612121530-8bb2354d9af9/go.mod h1:QEXezc9uKPT91dwqhSJq3GNI3B1HxFRQHiku9kmrsSA=
 k8s.io/client-go v2.0.0-alpha.0.0.20190313235726-6ee68ca5fd83+incompatible h1:+SiikveGdttGGsPhWZsGg+RD1ziNvr+PL8zKqLDIrbE=
 k8s.io/client-go v2.0.0-alpha.0.0.20190313235726-6ee68ca5fd83+incompatible/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
 k8s.io/klog v0.3.0 h1:0VPpR+sizsiivjIfIAQH/rl8tan6jvWkS7lU+0di3lE=

diff --git a/internal/store/builder.go b/internal/store/builder.go
@@ -32,7 +32,9 @@ import (
 	extensions "k8s.io/api/extensions/v1beta1"
 	policy "k8s.io/api/policy/v1beta1"
 	storagev1 "k8s.io/api/storage/v1"
+	vpaautoscaling "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1beta2"
 	clientset "k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/kube-state-metrics/pkg/metric"
 	metricsstore "k8s.io/kube-state-metrics/pkg/metrics_store"
@@ -48,6 +50,7 @@ type whiteBlackLister interface {
 // (https://en.wikipedia.org/wiki/Builder_pattern).
 type Builder struct {
 	kubeClient       clientset.Interface
+	kubeCfg          *rest.Config
 	namespaces       options.NamespaceList
 	ctx              context.Context
 	enabledResources []string
@@ -83,6 +86,11 @@ func (b *Builder) WithKubeClient(c clientset.Interface) {
 	b.kubeClient = c
 }
 
+// WithKubeCfg sets the kubeCfg property of a Builder.
+func (b *Builder) WithKubeCfg(c *rest.Config) {
+	b.kubeCfg = c
+}
+
 // WithWhiteBlackList configures the white or blacklisted metric to be exposed
 // by the store build by the Builder.
 func (b *Builder) WithWhiteBlackList(l whiteBlackLister) {
@@ -136,6 +144,7 @@ var availableStores = map[string]func(f *Builder) *metricsstore.MetricsStore{
 	"services":                   func(b *Builder) *metricsstore.MetricsStore { return b.buildServiceStore() },
 	"statefulsets":               func(b *Builder) *metricsstore.MetricsStore { return b.buildStatefulSetStore() },
 	"storageclasses":             func(b *Builder) *metricsstore.MetricsStore { return b.buildStorageClassStore() },
+	"verticalpodautoscalers":     func(b *Builder) *metricsstore.MetricsStore { return b.buildVPAStore() },
 }
 
 func (b *Builder) buildConfigMapStore() *metricsstore.MetricsStore {
@@ -230,6 +239,10 @@ func (b *Builder) buildCsrStore() *metricsstore.MetricsStore {
 	return b.buildStore(csrMetricFamilies, &certv1beta1.CertificateSigningRequest{}, createCSRListWatch)
 }
 
+func (b *Builder) buildVPAStore() *metricsstore.MetricsStore {
+	return b.buildStore(vpaMetricFamilies, &vpaautoscaling.VerticalPodAutoscaler{}, createVPAListWatchFunc(b.kubeCfg))
+}
+
 func (b *Builder) buildStore(
 	metricFamilies []metric.FamilyGenerator,
 	expectedType interface{},