74 lines
2 KiB
Go
74 lines
2 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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// +build darwin freebsd linux openbsd
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package load
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import (
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"github.com/pkg/errors"
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"github.com/elastic/beats/libbeat/common"
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"github.com/elastic/beats/libbeat/metric/system/cpu"
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"github.com/elastic/beats/metricbeat/mb"
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"github.com/elastic/beats/metricbeat/mb/parse"
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)
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func init() {
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mb.Registry.MustAddMetricSet("system", "load", New,
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mb.WithHostParser(parse.EmptyHostParser),
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mb.DefaultMetricSet(),
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)
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}
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// MetricSet for fetching system CPU load metrics.
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type MetricSet struct {
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mb.BaseMetricSet
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}
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// New returns a new load MetricSet.
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func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
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return &MetricSet{
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BaseMetricSet: base,
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}, nil
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}
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// Fetch fetches system load metrics.
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func (m *MetricSet) Fetch() (common.MapStr, error) {
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load, err := cpu.Load()
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if err != nil {
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return nil, errors.Wrap(err, "failed to get CPU load values")
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}
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avgs := load.Averages()
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normAvgs := load.NormalizedAverages()
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event := common.MapStr{
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"cores": cpu.NumCores,
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"1": avgs.OneMinute,
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"5": avgs.FiveMinute,
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"15": avgs.FifteenMinute,
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"norm": common.MapStr{
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"1": normAvgs.OneMinute,
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"5": normAvgs.FiveMinute,
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"15": normAvgs.FifteenMinute,
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},
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}
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return event, nil
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}
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