-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.go
94 lines (80 loc) · 2.82 KB
/
index.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
// 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.
package index
import (
"github.com/pkg/errors"
"github.com/elastic/beats/metricbeat/mb"
"github.com/elastic/beats/metricbeat/module/elasticsearch"
)
// init registers the MetricSet with the central registry.
// The New method will be called after the setup of the module and before starting to fetch data
func init() {
mb.Registry.MustAddMetricSet(elasticsearch.ModuleName, "index", New,
mb.WithHostParser(elasticsearch.HostParser),
mb.WithNamespace("elasticsearch.index"),
)
}
const (
statsMetrics = "docs,fielddata,indexing,merge,search,segments,store,refresh,query_cache,request_cache"
statsPath = "/_stats/" + statsMetrics
)
// MetricSet type defines all fields of the MetricSet
type MetricSet struct {
*elasticsearch.MetricSet
}
// New create a new instance of the MetricSet
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
// TODO: This currently gets index data for all indices. Make it configurable.
ms, err := elasticsearch.NewMetricSet(base, statsPath)
if err != nil {
return nil, err
}
return &MetricSet{MetricSet: ms}, nil
}
// Fetch gathers stats for each index from the _stats API
func (m *MetricSet) Fetch(r mb.ReporterV2) error {
isMaster, err := elasticsearch.IsMaster(m.HTTP, m.HostData().SanitizedURI+statsPath)
if err != nil {
return errors.Wrap(err, "error determining if connected Elasticsearch node is master")
}
// Not master, no event sent
if !isMaster {
m.Logger().Debug("trying to fetch index stats from a non-master node")
return nil
}
content, err := m.HTTP.FetchContent()
if err != nil {
return err
}
info, err := elasticsearch.GetInfo(m.HTTP, m.HostData().SanitizedURI)
if err != nil {
return errors.Wrap(err, "failed to get info from Elasticsearch")
}
if m.XPack {
err = eventsMappingXPack(r, m, *info, content)
if err != nil {
// Since this is an x-pack code path, we log the error but don't
// return it. Otherwise it would get reported into `metricbeat-*`
// indices.
m.Logger().Error(err)
return nil
}
} else {
return eventsMapping(r, *info, content)
}
return nil
}