266 lines
11 KiB
Go
266 lines
11 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package store
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import (
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"testing"
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"time"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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generator "k8s.io/kube-state-metrics/v2/pkg/metric_generator"
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)
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func TestEndpointStore(t *testing.T) {
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// Fixed metadata on type and help text. We prepend this to every expected
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// output so we only have to modify a single place when doing adjustments.
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const metadata = `
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# HELP kube_endpoint_annotations Kubernetes annotations converted to Prometheus labels.
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# TYPE kube_endpoint_annotations gauge
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# HELP kube_endpoint_address_available Number of addresses available in endpoint.
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# TYPE kube_endpoint_address_available gauge
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# HELP kube_endpoint_address_not_ready Number of addresses not ready in endpoint
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# TYPE kube_endpoint_address_not_ready gauge
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# HELP kube_endpoint_created Unix creation timestamp
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# TYPE kube_endpoint_created gauge
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# HELP kube_endpoint_info Information about endpoint.
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# TYPE kube_endpoint_info gauge
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# HELP kube_endpoint_labels Kubernetes labels converted to Prometheus labels.
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# TYPE kube_endpoint_labels gauge
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# HELP kube_endpoint_ports Information about the Endpoint ports.
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# TYPE kube_endpoint_ports gauge
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`
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cases := []generateMetricsTestCase{
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{
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Obj: &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-endpoint",
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CreationTimestamp: metav1.Time{Time: time.Unix(1500000000, 0)},
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Namespace: "default",
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Labels: map[string]string{
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"app": "foobar",
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},
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{IP: "127.0.0.1"}, {IP: "10.0.0.1"},
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},
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Ports: []v1.EndpointPort{
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{Port: 8080, Name: "http", Protocol: v1.ProtocolTCP}, {Port: 8081, Name: "app", Protocol: v1.ProtocolTCP},
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},
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},
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{
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Addresses: []v1.EndpointAddress{
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{IP: "172.22.23.202"},
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},
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Ports: []v1.EndpointPort{
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{Port: 8443, Name: "https", Protocol: v1.ProtocolTCP}, {Port: 9090, Name: "prometheus", Protocol: v1.ProtocolTCP},
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},
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},
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{
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NotReadyAddresses: []v1.EndpointAddress{
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{IP: "192.168.1.3"}, {IP: "192.168.2.2"},
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},
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Ports: []v1.EndpointPort{
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{Port: 1234, Name: "syslog", Protocol: v1.ProtocolUDP}, {Port: 5678, Name: "syslog-tcp", Protocol: v1.ProtocolTCP},
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},
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},
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},
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},
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Want: metadata + `
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kube_endpoint_annotations{endpoint="test-endpoint",namespace="default"} 1
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kube_endpoint_address_available{endpoint="test-endpoint",namespace="default"} 6
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kube_endpoint_address_not_ready{endpoint="test-endpoint",namespace="default"} 4
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kube_endpoint_created{endpoint="test-endpoint",namespace="default"} 1.5e+09
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kube_endpoint_info{endpoint="test-endpoint",namespace="default"} 1
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kube_endpoint_labels{endpoint="test-endpoint",namespace="default"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="http",port_protocol="TCP",port_number="8080"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="app",port_protocol="TCP",port_number="8081"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="https",port_protocol="TCP",port_number="8443"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="prometheus",port_protocol="TCP",port_number="9090"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="syslog",port_protocol="UDP",port_number="1234"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="syslog-tcp",port_protocol="TCP",port_number="5678"} 1
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`,
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},
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{
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Obj: &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "single-port-endpoint",
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CreationTimestamp: metav1.Time{Time: time.Unix(1500000000, 0)},
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Namespace: "default",
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Labels: map[string]string{
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"app": "single-foobar",
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},
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{IP: "127.0.0.1"}, {IP: "10.0.0.1"},
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},
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Ports: []v1.EndpointPort{
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{Port: 8080, Protocol: v1.ProtocolTCP},
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},
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},
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},
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},
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Want: metadata + `
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kube_endpoint_annotations{endpoint="single-port-endpoint",namespace="default"} 1
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kube_endpoint_address_available{endpoint="single-port-endpoint",namespace="default"} 2
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kube_endpoint_address_not_ready{endpoint="single-port-endpoint",namespace="default"} 0
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kube_endpoint_created{endpoint="single-port-endpoint",namespace="default"} 1.5e+09
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kube_endpoint_info{endpoint="single-port-endpoint",namespace="default"} 1
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kube_endpoint_labels{endpoint="single-port-endpoint",namespace="default"} 1
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kube_endpoint_ports{endpoint="single-port-endpoint",namespace="default",port_name="",port_number="8080",port_protocol="TCP"} 1
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`,
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},
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}
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for i, c := range cases {
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c.Func = generator.ComposeMetricGenFuncs(endpointMetricFamilies(nil, nil))
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c.Headers = generator.ExtractMetricFamilyHeaders(endpointMetricFamilies(nil, nil))
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if err := c.run(); err != nil {
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t.Errorf("unexpected collecting result in %vth run:\n%s", i, err)
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}
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}
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}
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func TestEndpointStoreWithLabels(t *testing.T) {
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// Fixed metadata on type and help text. We prepend this to every expected
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// output so we only have to modify a single place when doing adjustments.
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const metadata = `
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# HELP kube_endpoint_address_available Number of addresses available in endpoint.
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# TYPE kube_endpoint_address_available gauge
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# HELP kube_endpoint_address_not_ready Number of addresses not ready in endpoint
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# TYPE kube_endpoint_address_not_ready gauge
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# HELP kube_endpoint_annotations Kubernetes annotations converted to Prometheus labels.
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# TYPE kube_endpoint_annotations gauge
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# HELP kube_endpoint_created Unix creation timestamp
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# TYPE kube_endpoint_created gauge
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# HELP kube_endpoint_info Information about endpoint.
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# TYPE kube_endpoint_info gauge
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# HELP kube_endpoint_labels Kubernetes labels converted to Prometheus labels.
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# TYPE kube_endpoint_labels gauge
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# HELP kube_endpoint_ports Information about the Endpoint ports.
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# TYPE kube_endpoint_ports gauge
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`
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cases := []generateMetricsTestCase{
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{
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Obj: &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-endpoint",
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CreationTimestamp: metav1.Time{Time: time.Unix(1500000000, 0)},
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Namespace: "default",
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Annotations: map[string]string{
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"app": "foobar",
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},
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Labels: map[string]string{
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"app": "foobar",
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},
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{IP: "127.0.0.1"}, {IP: "10.0.0.1"},
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},
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Ports: []v1.EndpointPort{
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{Port: 8080, Name: "http", Protocol: v1.ProtocolTCP}, {Port: 8081, Name: "app", Protocol: v1.ProtocolTCP},
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},
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},
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{
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Addresses: []v1.EndpointAddress{
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{IP: "172.22.23.202"},
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},
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Ports: []v1.EndpointPort{
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{Port: 8443, Name: "https", Protocol: v1.ProtocolTCP}, {Port: 9090, Name: "prometheus", Protocol: v1.ProtocolTCP},
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},
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},
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{
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NotReadyAddresses: []v1.EndpointAddress{
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{IP: "192.168.1.3"}, {IP: "192.168.2.2"},
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},
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Ports: []v1.EndpointPort{
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{Port: 1234, Name: "syslog", Protocol: v1.ProtocolUDP}, {Port: 5678, Name: "syslog-tcp", Protocol: v1.ProtocolTCP},
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},
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},
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},
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},
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Want: metadata + `
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kube_endpoint_address_available{endpoint="test-endpoint",namespace="default"} 6
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kube_endpoint_address_not_ready{endpoint="test-endpoint",namespace="default"} 4
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kube_endpoint_annotations{endpoint="test-endpoint",annotation_app="foobar",namespace="default"} 1
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kube_endpoint_created{endpoint="test-endpoint",namespace="default"} 1.5e+09
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kube_endpoint_info{endpoint="test-endpoint",namespace="default"} 1
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kube_endpoint_labels{endpoint="test-endpoint",label_app="foobar",namespace="default"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="http",port_protocol="TCP",port_number="8080"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="app",port_protocol="TCP",port_number="8081"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="https",port_protocol="TCP",port_number="8443"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="prometheus",port_protocol="TCP",port_number="9090"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="syslog",port_protocol="UDP",port_number="1234"} 1
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kube_endpoint_ports{endpoint="test-endpoint",namespace="default",port_name="syslog-tcp",port_protocol="TCP",port_number="5678"} 1
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`,
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},
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{
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Obj: &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "single-port-endpoint",
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CreationTimestamp: metav1.Time{Time: time.Unix(1500000000, 0)},
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Namespace: "default",
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Annotations: map[string]string{
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"app": "single-foobar",
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},
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Labels: map[string]string{
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"app": "single-foobar",
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},
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{IP: "127.0.0.1"}, {IP: "10.0.0.1"},
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},
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Ports: []v1.EndpointPort{
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{Port: 8080, Protocol: v1.ProtocolTCP},
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},
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},
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},
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},
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Want: metadata + `
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kube_endpoint_annotations{endpoint="single-port-endpoint",annotation_app="single-foobar",namespace="default"} 1
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kube_endpoint_address_available{endpoint="single-port-endpoint",namespace="default"} 2
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kube_endpoint_address_not_ready{endpoint="single-port-endpoint",namespace="default"} 0
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kube_endpoint_created{endpoint="single-port-endpoint",namespace="default"} 1.5e+09
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kube_endpoint_info{endpoint="single-port-endpoint",namespace="default"} 1
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kube_endpoint_labels{endpoint="single-port-endpoint",label_app="single-foobar",namespace="default"} 1
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kube_endpoint_ports{endpoint="single-port-endpoint",namespace="default",port_name="",port_number="8080",port_protocol="TCP"} 1
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`,
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},
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}
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for i, c := range cases {
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allowAnnotations := []string{
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"app",
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}
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allowLabels := []string{
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"app",
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}
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c.Func = generator.ComposeMetricGenFuncs(endpointMetricFamilies(allowAnnotations, allowLabels))
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c.Headers = generator.ExtractMetricFamilyHeaders(endpointMetricFamilies(allowAnnotations, allowLabels))
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if err := c.run(); err != nil {
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t.Errorf("unexpected collecting result in %vth run:\n%s", i, err)
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}
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}
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}
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