kubernetes metrics_test 源码
kubernetes metrics_test 代码
文件路径：/pkg/controller/certificates/rootcacertpublisher/metrics_test.go
/*
Copyright 2020 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rootcacertpublisher
import (
"errors"
"strings"
"testing"
"time"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/component-base/metrics/legacyregistry"
"k8s.io/component-base/metrics/testutil"
)
func TestSyncCounter(t *testing.T) {
testCases := []struct {
desc string
err error
metrics []string
want string
}{
{
desc: "nil error",
err: nil,
metrics: []string{
"root_ca_cert_publisher_sync_total",
},
want: `
# HELP root_ca_cert_publisher_sync_total [ALPHA] Number of namespace syncs happened in root ca cert publisher.
# TYPE root_ca_cert_publisher_sync_total counter
root_ca_cert_publisher_sync_total{code="200"} 1
`,
},
{
desc: "kube api error",
err: apierrors.NewNotFound(corev1.Resource("configmap"), "test-configmap"),
metrics: []string{
"root_ca_cert_publisher_sync_total",
},
want: `
# HELP root_ca_cert_publisher_sync_total [ALPHA] Number of namespace syncs happened in root ca cert publisher.
# TYPE root_ca_cert_publisher_sync_total counter
root_ca_cert_publisher_sync_total{code="404"} 1
`,
},
{
desc: "kube api error without code",
err: &apierrors.StatusError{},
metrics: []string{
"root_ca_cert_publisher_sync_total",
},
want: `
# HELP root_ca_cert_publisher_sync_total [ALPHA] Number of namespace syncs happened in root ca cert publisher.
# TYPE root_ca_cert_publisher_sync_total counter
root_ca_cert_publisher_sync_total{code="500"} 1
`,
},
{
desc: "general error",
err: errors.New("test"),
metrics: []string{
"root_ca_cert_publisher_sync_total",
},
want: `
# HELP root_ca_cert_publisher_sync_total [ALPHA] Number of namespace syncs happened in root ca cert publisher.
# TYPE root_ca_cert_publisher_sync_total counter
root_ca_cert_publisher_sync_total{code="500"} 1
`,
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
recordMetrics(time.Now(), tc.err)
defer syncCounter.Reset()
if err := testutil.GatherAndCompare(legacyregistry.DefaultGatherer, strings.NewReader(tc.want), tc.metrics...); err != nil {
t.Fatal(err)
}
})
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦