youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/system/load/load.go

74 lines
2 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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.
// +build darwin freebsd linux openbsd
package load
import (
"github.com/pkg/errors"
"github.com/elastic/beats/libbeat/common"
"github.com/elastic/beats/libbeat/metric/system/cpu"
"github.com/elastic/beats/metricbeat/mb"
"github.com/elastic/beats/metricbeat/mb/parse"
)
func init() {
mb.Registry.MustAddMetricSet("system", "load", New,
mb.WithHostParser(parse.EmptyHostParser),
mb.DefaultMetricSet(),
)
}
// MetricSet for fetching system CPU load metrics.
type MetricSet struct {
mb.BaseMetricSet
}
// New returns a new load MetricSet.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
return &MetricSet{
BaseMetricSet: base,
}, nil
}
// Fetch fetches system load metrics.
func (m *MetricSet) Fetch() (common.MapStr, error) {
load, err := cpu.Load()
if err != nil {
return nil, errors.Wrap(err, "failed to get CPU load values")
}
avgs := load.Averages()
normAvgs := load.NormalizedAverages()
event := common.MapStr{
"cores": cpu.NumCores,
"1": avgs.OneMinute,
"5": avgs.FiveMinute,
"15": avgs.FifteenMinute,
"norm": common.MapStr{
"1": normAvgs.OneMinute,
"5": normAvgs.FiveMinute,
"15": normAvgs.FifteenMinute,
},
}
return event, nil
}