312 lines
13 KiB
Go
312 lines
13 KiB
Go
/*
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Copyright 2016 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 collector
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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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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kube-state-metrics/pkg/metric"
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)
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func TestNodeCollector(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_node_created Unix creation timestamp
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# TYPE kube_node_created gauge
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# HELP kube_node_info Information about a cluster node.
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# TYPE kube_node_info gauge
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# HELP kube_node_labels Kubernetes labels converted to Prometheus labels.
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# TYPE kube_node_labels gauge
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# HELP kube_node_spec_unschedulable Whether a node can schedule new pods.
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# TYPE kube_node_spec_unschedulable gauge
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# HELP kube_node_spec_taint The taint of a cluster node.
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# TYPE kube_node_spec_taint gauge
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# TYPE kube_node_status_phase gauge
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# HELP kube_node_status_phase The phase the node is currently in.
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# TYPE kube_node_status_capacity gauge
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# HELP kube_node_status_capacity The capacity for different resources of a node.
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# TYPE kube_node_status_capacity_pods gauge
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# HELP kube_node_status_capacity_pods The total pod resources of the node.
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# TYPE kube_node_status_capacity_cpu_cores gauge
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# HELP kube_node_status_capacity_cpu_cores The total CPU resources of the node.
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# TYPE kube_node_status_capacity_memory_bytes gauge
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# HELP kube_node_status_capacity_memory_bytes The total memory resources of the node.
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# TYPE kube_node_status_allocatable gauge
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# HELP kube_node_status_allocatable The allocatable for different resources of a node that are available for scheduling.
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# TYPE kube_node_status_allocatable_pods gauge
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# HELP kube_node_status_allocatable_pods The pod resources of a node that are available for scheduling.
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# TYPE kube_node_status_allocatable_cpu_cores gauge
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# HELP kube_node_status_allocatable_cpu_cores The CPU resources of a node that are available for scheduling.
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# TYPE kube_node_status_allocatable_memory_bytes gauge
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# HELP kube_node_status_allocatable_memory_bytes The memory resources of a node that are available for scheduling.
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# HELP kube_node_status_condition The condition of a cluster node.
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# TYPE kube_node_status_condition gauge
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`
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cases := []generateMetricsTestCase{
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// Verify populating base metric and that metric for unset fields are skipped.
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.1",
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KernelVersion: "kernel",
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KubeletVersion: "kubelet",
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KubeProxyVersion: "kubeproxy",
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OSImage: "osimage",
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ContainerRuntimeVersion: "rkt",
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},
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},
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Spec: v1.NodeSpec{
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ProviderID: "provider://i-uniqueid",
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},
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},
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Want: `
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kube_node_info{container_runtime_version="rkt",kernel_version="kernel",kubelet_version="kubelet",kubeproxy_version="kubeproxy",node="127.0.0.1",os_image="osimage",provider_id="provider://i-uniqueid"} 1
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kube_node_labels{node="127.0.0.1"} 1
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kube_node_spec_unschedulable{node="127.0.0.1"} 0
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`,
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},
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// Verify resource metric.
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.1",
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CreationTimestamp: metav1.Time{Time: time.Unix(1500000000, 0)},
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Labels: map[string]string{
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"type": "master",
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},
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},
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Spec: v1.NodeSpec{
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Unschedulable: true,
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ProviderID: "provider://i-randomidentifier",
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},
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Status: v1.NodeStatus{
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NodeInfo: v1.NodeSystemInfo{
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KernelVersion: "kernel",
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KubeletVersion: "kubelet",
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KubeProxyVersion: "kubeproxy",
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OSImage: "osimage",
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ContainerRuntimeVersion: "rkt",
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},
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Capacity: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("4.3"),
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v1.ResourceMemory: resource.MustParse("2G"),
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v1.ResourcePods: resource.MustParse("1000"),
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v1.ResourceStorage: resource.MustParse("3G"),
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v1.ResourceEphemeralStorage: resource.MustParse("4G"),
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v1.ResourceName("nvidia.com/gpu"): resource.MustParse("4"),
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},
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Allocatable: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("3"),
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v1.ResourceMemory: resource.MustParse("1G"),
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v1.ResourcePods: resource.MustParse("555"),
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v1.ResourceStorage: resource.MustParse("2G"),
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v1.ResourceEphemeralStorage: resource.MustParse("3G"),
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v1.ResourceName("nvidia.com/gpu"): resource.MustParse("1"),
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},
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},
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},
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Want: `
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kube_node_created{node="127.0.0.1"} 1.5e+09
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kube_node_info{container_runtime_version="rkt",kernel_version="kernel",kubelet_version="kubelet",kubeproxy_version="kubeproxy",node="127.0.0.1",os_image="osimage",provider_id="provider://i-randomidentifier"} 1
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kube_node_labels{label_type="master",node="127.0.0.1"} 1
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kube_node_spec_unschedulable{node="127.0.0.1"} 1
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kube_node_status_allocatable_cpu_cores{node="127.0.0.1"} 3
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kube_node_status_allocatable_memory_bytes{node="127.0.0.1"} 1e+09
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kube_node_status_allocatable_pods{node="127.0.0.1"} 555
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kube_node_status_allocatable{node="127.0.0.1",resource="cpu",unit="core"} 3
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kube_node_status_allocatable{node="127.0.0.1",resource="ephemeral_storage",unit="byte"} 3e+09
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kube_node_status_allocatable{node="127.0.0.1",resource="memory",unit="byte"} 1e+09
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kube_node_status_allocatable{node="127.0.0.1",resource="nvidia_com_gpu",unit="integer"} 1
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kube_node_status_allocatable{node="127.0.0.1",resource="pods",unit="integer"} 555
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kube_node_status_allocatable{node="127.0.0.1",resource="storage",unit="byte"} 2e+09
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kube_node_status_capacity_cpu_cores{node="127.0.0.1"} 4.3
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kube_node_status_capacity_memory_bytes{node="127.0.0.1"} 2e+09
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kube_node_status_capacity_pods{node="127.0.0.1"} 1000
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kube_node_status_capacity{node="127.0.0.1",resource="cpu",unit="core"} 4.3
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kube_node_status_capacity{node="127.0.0.1",resource="ephemeral_storage",unit="byte"} 4e+09
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kube_node_status_capacity{node="127.0.0.1",resource="memory",unit="byte"} 2e+09
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kube_node_status_capacity{node="127.0.0.1",resource="nvidia_com_gpu",unit="integer"} 4
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kube_node_status_capacity{node="127.0.0.1",resource="pods",unit="integer"} 1000
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kube_node_status_capacity{node="127.0.0.1",resource="storage",unit="byte"} 3e+09
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`,
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},
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// Verify phase enumerations.
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.1",
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},
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Status: v1.NodeStatus{
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Phase: v1.NodeRunning,
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},
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},
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Want: `
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kube_node_status_phase{node="127.0.0.1",phase="Terminated"} 0
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kube_node_status_phase{node="127.0.0.1",phase="Running"} 1
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kube_node_status_phase{node="127.0.0.1",phase="Pending"} 0
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`,
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MetricNames: []string{"kube_node_status_phase"},
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},
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.2",
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},
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Status: v1.NodeStatus{
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Phase: v1.NodePending,
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},
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},
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Want: `
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kube_node_status_phase{node="127.0.0.2",phase="Terminated"} 0
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kube_node_status_phase{node="127.0.0.2",phase="Running"} 0
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kube_node_status_phase{node="127.0.0.2",phase="Pending"} 1
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`,
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MetricNames: []string{"kube_node_status_phase"},
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},
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.3",
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},
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Status: v1.NodeStatus{
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Phase: v1.NodeTerminated,
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},
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},
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Want: `
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kube_node_status_phase{node="127.0.0.3",phase="Terminated"} 1
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kube_node_status_phase{node="127.0.0.3",phase="Running"} 0
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kube_node_status_phase{node="127.0.0.3",phase="Pending"} 0
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`,
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MetricNames: []string{"kube_node_status_phase"},
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},
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// Verify StatusCondition
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.1",
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},
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Status: v1.NodeStatus{
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Conditions: []v1.NodeCondition{
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{Type: v1.NodeNetworkUnavailable, Status: v1.ConditionTrue},
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{Type: v1.NodeReady, Status: v1.ConditionTrue},
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{Type: v1.NodeConditionType("CustomizedType"), Status: v1.ConditionTrue},
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},
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},
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},
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Want: `
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.1",status="false"} 0
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.1",status="true"} 1
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.1",status="unknown"} 0
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.1",status="false"} 0
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.1",status="true"} 1
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.1",status="unknown"} 0
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kube_node_status_condition{condition="Ready",node="127.0.0.1",status="false"} 0
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kube_node_status_condition{condition="Ready",node="127.0.0.1",status="true"} 1
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kube_node_status_condition{condition="Ready",node="127.0.0.1",status="unknown"} 0
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`,
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MetricNames: []string{"kube_node_status_condition"},
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},
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.2",
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},
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Status: v1.NodeStatus{
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Conditions: []v1.NodeCondition{
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{Type: v1.NodeNetworkUnavailable, Status: v1.ConditionUnknown},
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{Type: v1.NodeReady, Status: v1.ConditionUnknown},
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{Type: v1.NodeConditionType("CustomizedType"), Status: v1.ConditionUnknown},
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},
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},
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},
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Want: `
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.2",status="false"} 0
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.2",status="true"} 0
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.2",status="unknown"} 1
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.2",status="false"} 0
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.2",status="true"} 0
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.2",status="unknown"} 1
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kube_node_status_condition{condition="Ready",node="127.0.0.2",status="false"} 0
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kube_node_status_condition{condition="Ready",node="127.0.0.2",status="true"} 0
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kube_node_status_condition{condition="Ready",node="127.0.0.2",status="unknown"} 1
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`,
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MetricNames: []string{"kube_node_status_condition"},
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},
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.3",
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},
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Status: v1.NodeStatus{
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Conditions: []v1.NodeCondition{
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{Type: v1.NodeNetworkUnavailable, Status: v1.ConditionFalse},
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{Type: v1.NodeReady, Status: v1.ConditionFalse},
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{Type: v1.NodeConditionType("CustomizedType"), Status: v1.ConditionFalse},
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},
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},
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},
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Want: `
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.3",status="false"} 1
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.3",status="true"} 0
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kube_node_status_condition{condition="CustomizedType",node="127.0.0.3",status="unknown"} 0
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.3",status="false"} 1
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.3",status="true"} 0
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kube_node_status_condition{condition="NetworkUnavailable",node="127.0.0.3",status="unknown"} 0
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kube_node_status_condition{condition="Ready",node="127.0.0.3",status="false"} 1
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kube_node_status_condition{condition="Ready",node="127.0.0.3",status="true"} 0
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kube_node_status_condition{condition="Ready",node="127.0.0.3",status="unknown"} 0
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`,
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MetricNames: []string{"kube_node_status_condition"},
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},
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// Verify SpecTaints
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{
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Obj: &v1.Node{
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ObjectMeta: metav1.ObjectMeta{
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Name: "127.0.0.1",
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},
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Spec: v1.NodeSpec{
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Taints: []v1.Taint{
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{Key: "node.kubernetes.io/memory-pressure", Value: "true", Effect: v1.TaintEffectPreferNoSchedule},
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{Key: "Accelerated", Value: "gpu", Effect: v1.TaintEffectPreferNoSchedule},
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{Key: "Dedicated", Effect: v1.TaintEffectPreferNoSchedule},
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},
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},
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},
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Want: `
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kube_node_spec_taint{effect="PreferNoSchedule",key="Dedicated",node="127.0.0.1",value=""} 1
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kube_node_spec_taint{effect="PreferNoSchedule",key="Accelerated",node="127.0.0.1",value="gpu"} 1
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kube_node_spec_taint{effect="PreferNoSchedule",key="node.kubernetes.io/memory-pressure",node="127.0.0.1",value="true"} 1
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`,
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MetricNames: []string{"kube_node_spec_taint"},
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},
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}
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for i, c := range cases {
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c.Func = metric.ComposeMetricGenFuncs(nodeMetricFamilies)
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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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