-
Notifications
You must be signed in to change notification settings - Fork 4.9k
/
status.go
70 lines (58 loc) · 1.88 KB
/
status.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
package status
import (
"github.com/elastic/beats/libbeat/common"
"github.com/elastic/beats/libbeat/logp"
"github.com/elastic/beats/metricbeat/mb"
"github.com/elastic/beats/metricbeat/module/mongodb"
"gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
/*
TODOs:
* add metricset for "locks" data
* add a metricset for "metrics" data
*/
var debugf = logp.MakeDebug("mongodb.status")
func init() {
if err := mb.Registry.AddMetricSet("mongodb", "status", New, mongodb.ParseURL); err != nil {
panic(err)
}
}
// MetricSet type defines all fields of the MetricSet
// As a minimum it must inherit the mb.BaseMetricSet fields, but can be extended with
// additional entries. These variables can be used to persist data or configuration between
// multiple fetch calls.
type MetricSet struct {
mb.BaseMetricSet
dialInfo *mgo.DialInfo
}
// New creates a new instance of the MetricSet
// Part of new is also setting up the configuration by processing additional
// configuration entries if needed.
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
dialInfo, err := mgo.ParseURL(base.HostData().URI)
if err != nil {
return nil, err
}
dialInfo.Timeout = base.Module().Config().Timeout
return &MetricSet{
BaseMetricSet: base,
dialInfo: dialInfo,
}, nil
}
// Fetch methods implements the data gathering and data conversion to the right format
// It returns the event which is then forward to the output. In case of an error, a
// descriptive error must be returned.
func (m *MetricSet) Fetch() (common.MapStr, error) {
// instantiate direct connections to each of the configured Mongo hosts
mongoSession, err := mongodb.NewDirectSession(m.dialInfo)
if err != nil {
return nil, err
}
result := map[string]interface{}{}
if err := mongoSession.DB("admin").Run(bson.D{{Name: "serverStatus", Value: 1}}, &result); err != nil {
return nil, err
}
data, _ := schema.Apply(result)
return data, nil
}