107 lines
3 KiB
Go
107 lines
3 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 windows
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package fsstat
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import (
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"strings"
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"github.com/elastic/beats/libbeat/common"
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"github.com/elastic/beats/libbeat/logp"
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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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"github.com/elastic/beats/metricbeat/module/system/filesystem"
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"github.com/pkg/errors"
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)
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var debugf = logp.MakeDebug("system-fsstat")
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func init() {
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mb.Registry.MustAddMetricSet("system", "fsstat", New,
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mb.WithHostParser(parse.EmptyHostParser),
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)
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}
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// MetricSet for fetching a summary of filesystem stats.
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type MetricSet struct {
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mb.BaseMetricSet
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config filesystem.Config
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}
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// New creates and returns a new instance of MetricSet.
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func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
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var config filesystem.Config
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if err := base.Module().UnpackConfig(&config); err != nil {
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return nil, err
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}
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if config.IgnoreTypes == nil {
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config.IgnoreTypes = filesystem.DefaultIgnoredTypes()
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}
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if len(config.IgnoreTypes) > 0 {
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logp.Info("Ignoring filesystem types: %s", strings.Join(config.IgnoreTypes, ", "))
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}
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return &MetricSet{
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BaseMetricSet: base,
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config: config,
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}, nil
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}
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// Fetch fetches filesystem metrics for all mounted filesystems and returns
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// a single event containing aggregated data.
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func (m *MetricSet) Fetch() (common.MapStr, error) {
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fss, err := filesystem.GetFileSystemList()
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if err != nil {
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return nil, errors.Wrap(err, "filesystem list")
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}
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if len(m.config.IgnoreTypes) > 0 {
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fss = filesystem.Filter(fss, filesystem.BuildTypeFilter(m.config.IgnoreTypes...))
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}
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// These values are optional and could also be calculated by Kibana
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var totalFiles, totalSize, totalSizeFree, totalSizeUsed uint64
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for _, fs := range fss {
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stat, err := filesystem.GetFileSystemStat(fs)
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if err != nil {
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debugf("error fetching filesystem stats for '%s': %v", fs.DirName, err)
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continue
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}
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logp.Debug("fsstat", "filesystem: %s total=%d, used=%d, free=%d", stat.Mount, stat.Total, stat.Used, stat.Free)
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totalFiles += stat.Files
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totalSize += stat.Total
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totalSizeFree += stat.Free
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totalSizeUsed += stat.Used
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}
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return common.MapStr{
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"total_size": common.MapStr{
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"free": totalSizeFree,
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"used": totalSizeUsed,
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"total": totalSize,
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},
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"count": len(fss),
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"total_files": totalFiles,
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}, nil
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}
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