milvus/pkg/metrics/milvus_registry.go
Cai Yudong 178559a875
Ignore gather c metrics fail (#23366)
Signed-off-by: Yudong Cai <yudong.cai@zilliz.com>
2023-04-13 10:26:27 +08:00

54 lines
1.5 KiB
Go

// Copyright 2014 The Prometheus 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 metrics
import (
"github.com/prometheus/client_golang/prometheus"
dto "github.com/prometheus/client_model/go"
)
func NewMilvusRegistry() *MilvusRegistry {
r := &MilvusRegistry{
GoRegistry: prometheus.NewRegistry(),
CRegistry: NewCRegistry(),
}
r.GoRegistry.MustRegister(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{}))
r.GoRegistry.MustRegister(prometheus.NewGoCollector())
return r
}
// re-write the implementation of Gather()
type MilvusRegistry struct {
GoRegistry *prometheus.Registry
CRegistry *CRegistry
}
// Gather implements Gatherer.
func (r *MilvusRegistry) Gather() ([]*dto.MetricFamily, error) {
var res []*dto.MetricFamily
resGo, err := r.GoRegistry.Gather()
if err != nil {
return res, err
}
resC, err := r.CRegistry.Gather()
if err != nil {
// if gather c metrics fail, ignore the error and return go metrics
return resGo, nil
}
res = append(resGo, resC...)
return res, nil
}