mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-01 14:47:38 +00:00
4e71003620
- add changelog reference to an author - fix tests - add metadata to match Prometheus behavior Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
367 lines
12 KiB
Go
367 lines
12 KiB
Go
package kubernetes
|
|
|
|
import (
|
|
"bytes"
|
|
"testing"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
|
|
)
|
|
|
|
func TestParseEndpointsListFailure(t *testing.T) {
|
|
f := func(s string) {
|
|
t.Helper()
|
|
r := bytes.NewBufferString(s)
|
|
objectsByKey, _, err := parseEndpointsList(r)
|
|
if err == nil {
|
|
t.Fatalf("expecting non-nil error")
|
|
}
|
|
if len(objectsByKey) != 0 {
|
|
t.Fatalf("unexpected non-empty objectsByKey: %v", objectsByKey)
|
|
}
|
|
}
|
|
f(``)
|
|
f(`[1,23]`)
|
|
f(`{"items":[{"metadata":1}]}`)
|
|
f(`{"items":[{"metadata":{"labels":[1]}}]}`)
|
|
}
|
|
|
|
func TestParseEndpointsListSuccess(t *testing.T) {
|
|
data := `
|
|
{
|
|
"kind": "EndpointsList",
|
|
"apiVersion": "v1",
|
|
"metadata": {
|
|
"selfLink": "/api/v1/endpoints",
|
|
"resourceVersion": "128055"
|
|
},
|
|
"items": [
|
|
{
|
|
"metadata": {
|
|
"name": "kubernetes",
|
|
"namespace": "default",
|
|
"selfLink": "/api/v1/namespaces/default/endpoints/kubernetes",
|
|
"uid": "0972c7d9-c267-4b93-a090-a417eeb9b385",
|
|
"resourceVersion": "150",
|
|
"creationTimestamp": "2020-03-16T20:44:25Z",
|
|
"labels": {
|
|
"foo": "bar"
|
|
},
|
|
"annotations": {
|
|
"x": "y"
|
|
}
|
|
},
|
|
"subsets": [
|
|
{
|
|
"addresses": [
|
|
{
|
|
"hostname": "aaa.bbb",
|
|
"nodeName": "test-node",
|
|
"ip": "172.17.0.2",
|
|
"targetRef": {
|
|
"kind": "Pod",
|
|
"namespace": "kube-system",
|
|
"name": "coredns-6955765f44-lnp6t",
|
|
"uid": "cbddb2b6-5b85-40f1-8819-9a59385169bb",
|
|
"resourceVersion": "124878"
|
|
}
|
|
}
|
|
],
|
|
"ports": [
|
|
{
|
|
"name": "https",
|
|
"port": 8443,
|
|
"protocol": "TCP"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
`
|
|
r := bytes.NewBufferString(data)
|
|
objectsByKey, meta, err := parseEndpointsList(r)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %s", err)
|
|
}
|
|
expectedResourceVersion := "128055"
|
|
if meta.ResourceVersion != expectedResourceVersion {
|
|
t.Fatalf("unexpected resource version; got %s; want %s", meta.ResourceVersion, expectedResourceVersion)
|
|
}
|
|
|
|
sortedLabelss := getSortedLabelss(objectsByKey)
|
|
expectedLabelss := []*promutils.Labels{
|
|
promutils.NewLabelsFromMap(map[string]string{
|
|
"__address__": "172.17.0.2:8443",
|
|
"__meta_kubernetes_endpoint_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpoint_address_target_name": "coredns-6955765f44-lnp6t",
|
|
"__meta_kubernetes_endpoint_hostname": "aaa.bbb",
|
|
"__meta_kubernetes_endpoint_node_name": "test-node",
|
|
"__meta_kubernetes_endpoint_port_name": "https",
|
|
"__meta_kubernetes_endpoint_port_protocol": "TCP",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
"__meta_kubernetes_endpoints_name": "kubernetes",
|
|
"__meta_kubernetes_endpoints_annotation_x": "y",
|
|
"__meta_kubernetes_endpoints_annotationpresent_x": "true",
|
|
"__meta_kubernetes_endpoints_label_foo": "bar",
|
|
"__meta_kubernetes_endpoints_labelpresent_foo": "true",
|
|
"__meta_kubernetes_namespace": "default",
|
|
}),
|
|
}
|
|
if !areEqualLabelss(sortedLabelss, expectedLabelss) {
|
|
t.Fatalf("unexpected labels:\ngot\n%v\nwant\n%v", sortedLabelss, expectedLabelss)
|
|
}
|
|
}
|
|
|
|
func TestGetEndpointsLabels(t *testing.T) {
|
|
type testArgs struct {
|
|
containerPorts map[string][]ContainerPort
|
|
endpointPorts []EndpointPort
|
|
}
|
|
f := func(t *testing.T, args testArgs, wantLabels []*promutils.Labels) {
|
|
t.Helper()
|
|
eps := Endpoints{
|
|
Metadata: ObjectMeta{
|
|
Name: "test-eps",
|
|
Namespace: "default",
|
|
},
|
|
Subsets: []EndpointSubset{
|
|
{
|
|
Ports: args.endpointPorts,
|
|
Addresses: []EndpointAddress{
|
|
{
|
|
IP: "10.13.15.15",
|
|
TargetRef: ObjectReference{
|
|
Kind: "Pod",
|
|
Namespace: "default",
|
|
Name: "test-pod",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
svc := Service{
|
|
Metadata: ObjectMeta{
|
|
Name: "test-eps",
|
|
Namespace: "default",
|
|
},
|
|
Spec: ServiceSpec{
|
|
ClusterIP: "1.2.3.4",
|
|
Type: "service-type",
|
|
Ports: []ServicePort{
|
|
{
|
|
Name: "test-port",
|
|
Port: 8081,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
pod := Pod{
|
|
Metadata: ObjectMeta{
|
|
UID: "pod-uid",
|
|
Name: "test-pod",
|
|
Namespace: "default",
|
|
},
|
|
Spec: PodSpec{
|
|
NodeName: "test-node",
|
|
},
|
|
Status: PodStatus{
|
|
Phase: "abc",
|
|
PodIP: "192.168.15.1",
|
|
HostIP: "4.5.6.7",
|
|
},
|
|
}
|
|
node := Node{
|
|
Metadata: ObjectMeta{
|
|
Labels: promutils.NewLabelsFromMap(map[string]string{"node-label": "xyz"}),
|
|
},
|
|
}
|
|
for cn, ports := range args.containerPorts {
|
|
pod.Spec.Containers = append(pod.Spec.Containers, Container{
|
|
Name: cn,
|
|
Image: "test-image",
|
|
Ports: ports,
|
|
})
|
|
}
|
|
var gw groupWatcher
|
|
gw.m = map[string]*urlWatcher{
|
|
"pod": {
|
|
role: "pod",
|
|
objectsByKey: map[string]object{
|
|
"default/test-pod": &pod,
|
|
},
|
|
},
|
|
"service": {
|
|
role: "service",
|
|
objectsByKey: map[string]object{
|
|
"default/test-eps": &svc,
|
|
},
|
|
},
|
|
"node": {
|
|
role: "node",
|
|
objectsByKey: map[string]object{
|
|
"/test-node": &node,
|
|
},
|
|
},
|
|
}
|
|
gw.attachNodeMetadata = true
|
|
var sortedLabelss []*promutils.Labels
|
|
gotLabels := eps.getTargetLabels(&gw)
|
|
for _, lbs := range gotLabels {
|
|
lbs.Sort()
|
|
sortedLabelss = append(sortedLabelss, lbs)
|
|
}
|
|
if !areEqualLabelss(sortedLabelss, wantLabels) {
|
|
t.Fatalf("unexpected labels:\ngot\n%v\nwant\n%v", sortedLabelss, wantLabels)
|
|
}
|
|
}
|
|
|
|
t.Run("1 port from endpoint", func(t *testing.T) {
|
|
f(t, testArgs{
|
|
endpointPorts: []EndpointPort{
|
|
{
|
|
Name: "web",
|
|
Port: 8081,
|
|
Protocol: "foobar",
|
|
},
|
|
},
|
|
}, []*promutils.Labels{
|
|
promutils.NewLabelsFromMap(map[string]string{
|
|
"__address__": "10.13.15.15:8081",
|
|
"__meta_kubernetes_endpoint_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpoint_address_target_name": "test-pod",
|
|
"__meta_kubernetes_endpoint_port_name": "web",
|
|
"__meta_kubernetes_endpoint_port_protocol": "foobar",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
"__meta_kubernetes_endpoints_name": "test-eps",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_node_label_node_label": "xyz",
|
|
"__meta_kubernetes_node_labelpresent_node_label": "true",
|
|
"__meta_kubernetes_node_name": "test-node",
|
|
"__meta_kubernetes_pod_host_ip": "4.5.6.7",
|
|
"__meta_kubernetes_pod_ip": "192.168.15.1",
|
|
"__meta_kubernetes_pod_name": "test-pod",
|
|
"__meta_kubernetes_pod_node_name": "test-node",
|
|
"__meta_kubernetes_pod_phase": "abc",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "pod-uid",
|
|
"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
|
|
"__meta_kubernetes_service_name": "test-eps",
|
|
"__meta_kubernetes_service_type": "service-type",
|
|
}),
|
|
})
|
|
})
|
|
|
|
t.Run("1 port from endpoint and 1 from pod", func(t *testing.T) {
|
|
f(t, testArgs{
|
|
containerPorts: map[string][]ContainerPort{"metrics": {{
|
|
Name: "http-metrics",
|
|
ContainerPort: 8428,
|
|
Protocol: "foobar",
|
|
}}},
|
|
endpointPorts: []EndpointPort{
|
|
{
|
|
Name: "web",
|
|
Port: 8081,
|
|
Protocol: "https",
|
|
},
|
|
},
|
|
}, []*promutils.Labels{
|
|
promutils.NewLabelsFromMap(map[string]string{
|
|
"__address__": "10.13.15.15:8081",
|
|
"__meta_kubernetes_endpoint_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpoint_address_target_name": "test-pod",
|
|
"__meta_kubernetes_endpoint_port_name": "web",
|
|
"__meta_kubernetes_endpoint_port_protocol": "https",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
"__meta_kubernetes_endpoints_name": "test-eps",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_node_label_node_label": "xyz",
|
|
"__meta_kubernetes_node_labelpresent_node_label": "true",
|
|
"__meta_kubernetes_node_name": "test-node",
|
|
"__meta_kubernetes_pod_host_ip": "4.5.6.7",
|
|
"__meta_kubernetes_pod_ip": "192.168.15.1",
|
|
"__meta_kubernetes_pod_name": "test-pod",
|
|
"__meta_kubernetes_pod_node_name": "test-node",
|
|
"__meta_kubernetes_pod_phase": "abc",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "pod-uid",
|
|
"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
|
|
"__meta_kubernetes_service_name": "test-eps",
|
|
"__meta_kubernetes_service_type": "service-type",
|
|
}),
|
|
promutils.NewLabelsFromMap(map[string]string{
|
|
"__address__": "192.168.15.1:8428",
|
|
"__meta_kubernetes_endpoint_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpoint_address_target_name": "test-pod",
|
|
"__meta_kubernetes_endpoints_name": "test-eps",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_node_label_node_label": "xyz",
|
|
"__meta_kubernetes_node_labelpresent_node_label": "true",
|
|
"__meta_kubernetes_node_name": "test-node",
|
|
"__meta_kubernetes_pod_container_image": "test-image",
|
|
"__meta_kubernetes_pod_container_name": "metrics",
|
|
"__meta_kubernetes_pod_container_port_name": "http-metrics",
|
|
"__meta_kubernetes_pod_container_port_number": "8428",
|
|
"__meta_kubernetes_pod_container_port_protocol": "foobar",
|
|
"__meta_kubernetes_pod_host_ip": "4.5.6.7",
|
|
"__meta_kubernetes_pod_ip": "192.168.15.1",
|
|
"__meta_kubernetes_pod_name": "test-pod",
|
|
"__meta_kubernetes_pod_node_name": "test-node",
|
|
"__meta_kubernetes_pod_phase": "abc",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "pod-uid",
|
|
"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
|
|
"__meta_kubernetes_service_name": "test-eps",
|
|
"__meta_kubernetes_service_type": "service-type",
|
|
}),
|
|
})
|
|
})
|
|
|
|
t.Run("1 port from endpoint", func(t *testing.T) {
|
|
f(t, testArgs{
|
|
containerPorts: map[string][]ContainerPort{"metrics": {{
|
|
Name: "web",
|
|
ContainerPort: 8428,
|
|
Protocol: "sdc",
|
|
}}},
|
|
endpointPorts: []EndpointPort{
|
|
{
|
|
Name: "web",
|
|
Port: 8428,
|
|
Protocol: "xabc",
|
|
},
|
|
},
|
|
}, []*promutils.Labels{
|
|
promutils.NewLabelsFromMap(map[string]string{
|
|
"__address__": "10.13.15.15:8428",
|
|
"__meta_kubernetes_endpoint_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpoint_address_target_name": "test-pod",
|
|
"__meta_kubernetes_endpoint_port_name": "web",
|
|
"__meta_kubernetes_endpoint_port_protocol": "xabc",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
"__meta_kubernetes_endpoints_name": "test-eps",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_node_label_node_label": "xyz",
|
|
"__meta_kubernetes_node_labelpresent_node_label": "true",
|
|
"__meta_kubernetes_node_name": "test-node",
|
|
"__meta_kubernetes_pod_container_image": "test-image",
|
|
"__meta_kubernetes_pod_container_name": "metrics",
|
|
"__meta_kubernetes_pod_container_port_name": "web",
|
|
"__meta_kubernetes_pod_container_port_number": "8428",
|
|
"__meta_kubernetes_pod_container_port_protocol": "sdc",
|
|
"__meta_kubernetes_pod_host_ip": "4.5.6.7",
|
|
"__meta_kubernetes_pod_ip": "192.168.15.1",
|
|
"__meta_kubernetes_pod_name": "test-pod",
|
|
"__meta_kubernetes_pod_node_name": "test-node",
|
|
"__meta_kubernetes_pod_phase": "abc",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "pod-uid",
|
|
"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
|
|
"__meta_kubernetes_service_name": "test-eps",
|
|
"__meta_kubernetes_service_type": "service-type",
|
|
}),
|
|
})
|
|
})
|
|
}
|