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kube-proxy: improve logging around network programming latency SLI.

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This commit is contained in:
Janek Łukaszewicz
2019-08-14 14:01:55 +02:00
parent 4ce69dd32e
commit c33be173bf
4 changed files with 36 additions and 29 deletions
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27
pkg/proxy/endpoints_test.go
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@@ -18,13 +18,12 @@ package proxy
import (
"reflect"
"sort"
"testing"
"time"
"github.com/davecgh/go-spew/spew"
"k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
@@ -1288,6 +1287,10 @@ func TestLastChangeTriggerTime(t *testing.T) {
return e
}
createName := func(namespace, name string) types.NamespacedName {
return types.NamespacedName{Namespace: namespace, Name: name}
}
modifyEndpoints := func(endpoints *v1.Endpoints, triggerTime time.Time) *v1.Endpoints {
e := endpoints.DeepCopy()
e.Subsets[0].Ports[0].Port++
@@ -1295,14 +1298,10 @@ func TestLastChangeTriggerTime(t *testing.T) {
return e
}
sortTimeSlice := func(data []time.Time) {
sort.Slice(data, func(i, j int) bool { return data[i].Before(data[j]) })
}
testCases := []struct {
name string
scenario func(fp *FakeProxier)
expected []time.Time
expected map[types.NamespacedName][]time.Time
}{
{
name: "Single addEndpoints",
@@ -1310,7 +1309,7 @@ func TestLastChangeTriggerTime(t *testing.T) {
e := createEndpoints("ns", "ep1", t0)
fp.addEndpoints(e)
},
expected: []time.Time{t0},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t0}},
},
{
name: "addEndpoints then updatedEndpoints",
@@ -1321,7 +1320,7 @@ func TestLastChangeTriggerTime(t *testing.T) {
e1 := modifyEndpoints(e, t1)
fp.updateEndpoints(e, e1)
},
expected: []time.Time{t0, t1},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t0, t1}},
},
{
name: "Add two endpoints then modify one",
@@ -1335,7 +1334,7 @@ func TestLastChangeTriggerTime(t *testing.T) {
e11 := modifyEndpoints(e1, t3)
fp.updateEndpoints(e1, e11)
},
expected: []time.Time{t1, t2, t3},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t1, t3}, createName("ns", "ep2"): {t2}},
},
{
name: "Endpoints without annotation set",
@@ -1344,7 +1343,7 @@ func TestLastChangeTriggerTime(t *testing.T) {
delete(e.Annotations, v1.EndpointsLastChangeTriggerTime)
fp.addEndpoints(e)
},
expected: []time.Time{},
expected: map[types.NamespacedName][]time.Time{},
},
{
name: "addEndpoints then deleteEndpoints",
@@ -1353,7 +1352,7 @@ func TestLastChangeTriggerTime(t *testing.T) {
fp.addEndpoints(e)
fp.deleteEndpoints(e)
},
expected: []time.Time{},
expected: map[types.NamespacedName][]time.Time{},
},
{
name: "add then delete then add again",
@@ -1364,7 +1363,7 @@ func TestLastChangeTriggerTime(t *testing.T) {
e = modifyEndpoints(e, t2)
fp.addEndpoints(e)
},
expected: []time.Time{t2},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t2}},
},
}
@@ -1375,8 +1374,6 @@ func TestLastChangeTriggerTime(t *testing.T) {
result := fp.endpointsMap.Update(fp.endpointsChanges)
got := result.LastChangeTriggerTimes
sortTimeSlice(got)
sortTimeSlice(tc.expected)
if !reflect.DeepEqual(got, tc.expected) {
t.Errorf("%s: Invalid LastChangeTriggerTimes, expected: %v, got: %v",