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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package metrics
import (
"os"
"path/filepath"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/metrics"
gethmetrics "github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/metrics/influxdb"
"github.com/ethereum/go-ethereum/swarm/log"
cli "gopkg.in/urfave/cli.v1"
)
var (
MetricsEnableInfluxDBExportFlag = cli.BoolFlag{
Name: "metrics.influxdb.export",
Usage: "Enable metrics export/push to an external InfluxDB database",
}
MetricsEnableInfluxDBAccountingExportFlag = cli.BoolFlag{
Name: "metrics.influxdb.accounting",
Usage: "Enable accounting metrics export/push to an external InfluxDB database",
}
MetricsInfluxDBEndpointFlag = cli.StringFlag{
Name: "metrics.influxdb.endpoint",
Usage: "Metrics InfluxDB endpoint",
Value: "http://127.0.0.1:8086",
}
MetricsInfluxDBDatabaseFlag = cli.StringFlag{
Name: "metrics.influxdb.database",
Usage: "Metrics InfluxDB database",
Value: "metrics",
}
MetricsInfluxDBUsernameFlag = cli.StringFlag{
Name: "metrics.influxdb.username",
Usage: "Metrics InfluxDB username",
Value: "",
}
MetricsInfluxDBPasswordFlag = cli.StringFlag{
Name: "metrics.influxdb.password",
Usage: "Metrics InfluxDB password",
Value: "",
}
// Tags are part of every measurement sent to InfluxDB. Queries on tags are faster in InfluxDB.
// For example `host` tag could be used so that we can group all nodes and average a measurement
// across all of them, but also so that we can select a specific node and inspect its measurements.
// https://docs.influxdata.com/influxdb/v1.4/concepts/key_concepts/#tag-key
MetricsInfluxDBTagsFlag = cli.StringFlag{
Name: "metrics.influxdb.tags",
Usage: "Comma-separated InfluxDB tags (key/values) attached to all measurements",
Value: "host=localhost",
}
)
// Flags holds all command-line flags required for metrics collection.
var Flags = []cli.Flag{
utils.MetricsEnabledFlag,
MetricsEnableInfluxDBExportFlag,
MetricsEnableInfluxDBAccountingExportFlag,
MetricsInfluxDBEndpointFlag,
MetricsInfluxDBDatabaseFlag,
MetricsInfluxDBUsernameFlag,
MetricsInfluxDBPasswordFlag,
MetricsInfluxDBTagsFlag,
}
func Setup(ctx *cli.Context) {
if gethmetrics.Enabled {
log.Info("Enabling swarm metrics collection")
var (
endpoint = ctx.GlobalString(MetricsInfluxDBEndpointFlag.Name)
database = ctx.GlobalString(MetricsInfluxDBDatabaseFlag.Name)
username = ctx.GlobalString(MetricsInfluxDBUsernameFlag.Name)
password = ctx.GlobalString(MetricsInfluxDBPasswordFlag.Name)
enableExport = ctx.GlobalBool(MetricsEnableInfluxDBExportFlag.Name)
enableAccountingExport = ctx.GlobalBool(MetricsEnableInfluxDBAccountingExportFlag.Name)
datadir = ctx.GlobalString("datadir")
)
// Start system runtime metrics collection
go gethmetrics.CollectProcessMetrics(4 * time.Second)
// Start collecting disk metrics
go datadirDiskUsage(datadir, 4*time.Second)
gethmetrics.RegisterRuntimeMemStats(metrics.DefaultRegistry)
go gethmetrics.CaptureRuntimeMemStats(metrics.DefaultRegistry, 4*time.Second)
tagsMap := utils.SplitTagsFlag(ctx.GlobalString(MetricsInfluxDBTagsFlag.Name))
if enableExport {
log.Info("Enabling swarm metrics export to InfluxDB")
go influxdb.InfluxDBWithTags(gethmetrics.DefaultRegistry, 10*time.Second, endpoint, database, username, password, "swarm.", tagsMap)
}
if enableAccountingExport {
log.Info("Exporting swarm accounting metrics to InfluxDB")
go influxdb.InfluxDBWithTags(gethmetrics.AccountingRegistry, 10*time.Second, endpoint, database, username, password, "accounting.", tagsMap)
}
}
}
func datadirDiskUsage(path string, d time.Duration) {
for range time.Tick(d) {
bytes, err := dirSize(path)
if err != nil {
log.Warn("cannot get disk space", "err", err)
}
metrics.GetOrRegisterGauge("datadir.usage", nil).Update(bytes)
}
}
func dirSize(path string) (int64, error) {
var size int64
err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
size += info.Size()
}
return err
})
return size, err
}
|
