-
Notifications
You must be signed in to change notification settings - Fork 1
/
metrics.go
162 lines (143 loc) · 4.27 KB
/
metrics.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
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
package autonat
import (
"time"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/p2p/host/autonat/pb"
"github.com/libp2p/go-libp2p/p2p/metricshelper"
"github.com/prometheus/client_golang/prometheus"
)
const metricNamespace = "libp2p_autonat"
var (
reachabilityStatus = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: metricNamespace,
Name: "reachability_status",
Help: "Current node reachability",
},
)
reachabilityStatusConfidence = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: metricNamespace,
Name: "reachability_status_confidence",
Help: "Node reachability status confidence",
},
)
receivedDialResponseTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: metricNamespace,
Name: "received_dial_response_total",
Help: "Count of dial responses for client",
},
[]string{"response_status"},
)
outgoingDialResponseTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: metricNamespace,
Name: "outgoing_dial_response_total",
Help: "Count of dial responses for server",
},
[]string{"response_status"},
)
outgoingDialRefusedTotal = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: metricNamespace,
Name: "outgoing_dial_refused_total",
Help: "Count of dial requests refused by server",
},
[]string{"refusal_reason"},
)
nextProbeTimestamp = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: metricNamespace,
Name: "next_probe_timestamp",
Help: "Time of next probe",
},
)
collectors = []prometheus.Collector{
reachabilityStatus,
reachabilityStatusConfidence,
receivedDialResponseTotal,
outgoingDialResponseTotal,
outgoingDialRefusedTotal,
nextProbeTimestamp,
}
)
type MetricsTracer interface {
ReachabilityStatus(status network.Reachability)
ReachabilityStatusConfidence(confidence int)
ReceivedDialResponse(status pb.Message_ResponseStatus)
OutgoingDialResponse(status pb.Message_ResponseStatus)
OutgoingDialRefused(reason string)
NextProbeTime(t time.Time)
}
func getResponseStatus(status pb.Message_ResponseStatus) string {
var s string
switch status {
case pb.Message_OK:
s = "ok"
case pb.Message_E_DIAL_ERROR:
s = "dial error"
case pb.Message_E_DIAL_REFUSED:
s = "dial refused"
case pb.Message_E_BAD_REQUEST:
s = "bad request"
case pb.Message_E_INTERNAL_ERROR:
s = "internal error"
default:
s = "unknown"
}
return s
}
const (
rate_limited = "rate limited"
dial_blocked = "dial blocked"
no_valid_address = "no valid address"
)
type metricsTracer struct{}
var _ MetricsTracer = &metricsTracer{}
type metricsTracerSetting struct {
reg prometheus.Registerer
}
type MetricsTracerOption func(*metricsTracerSetting)
func WithRegisterer(reg prometheus.Registerer) MetricsTracerOption {
return func(s *metricsTracerSetting) {
if reg != nil {
s.reg = reg
}
}
}
func NewMetricsTracer(opts ...MetricsTracerOption) MetricsTracer {
setting := &metricsTracerSetting{reg: prometheus.DefaultRegisterer}
for _, opt := range opts {
opt(setting)
}
metricshelper.RegisterCollectors(setting.reg, collectors...)
return &metricsTracer{}
}
func (mt *metricsTracer) ReachabilityStatus(status network.Reachability) {
reachabilityStatus.Set(float64(status))
}
func (mt *metricsTracer) ReachabilityStatusConfidence(confidence int) {
reachabilityStatusConfidence.Set(float64(confidence))
}
func (mt *metricsTracer) ReceivedDialResponse(status pb.Message_ResponseStatus) {
tags := metricshelper.GetStringSlice()
defer metricshelper.PutStringSlice(tags)
*tags = append(*tags, getResponseStatus(status))
receivedDialResponseTotal.WithLabelValues(*tags...).Inc()
}
func (mt *metricsTracer) OutgoingDialResponse(status pb.Message_ResponseStatus) {
tags := metricshelper.GetStringSlice()
defer metricshelper.PutStringSlice(tags)
*tags = append(*tags, getResponseStatus(status))
outgoingDialResponseTotal.WithLabelValues(*tags...).Inc()
}
func (mt *metricsTracer) OutgoingDialRefused(reason string) {
tags := metricshelper.GetStringSlice()
defer metricshelper.PutStringSlice(tags)
*tags = append(*tags, reason)
outgoingDialRefusedTotal.WithLabelValues(*tags...).Inc()
}
func (mt *metricsTracer) NextProbeTime(t time.Time) {
nextProbeTimestamp.Set(float64(t.Unix()))
}