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
package etl
import (
"math/big"
"github.com/ethereum-optimism/optimism/op-service/metrics"
"github.com/ethereum/go-ethereum/common"
"github.com/prometheus/client_golang/prometheus"
)
var (
MetricsNamespace string = "etl"
)
type Metricer interface {
RecordInterval() (done func(err error))
// Batch Extraction
RecordBatchFailure()
RecordBatchLatestHeight(height *big.Int)
RecordBatchHeaders(size int)
RecordBatchLog(contractAddress common.Address)
// Indexed Batches
RecordIndexedLatestHeight(height *big.Int)
RecordIndexedHeaders(size int)
RecordIndexedLogs(size int)
}
type etlMetrics struct {
intervalTick prometheus.Counter
intervalDuration prometheus.Histogram
batchFailures prometheus.Counter
batchLatestHeight prometheus.Gauge
batchHeaders prometheus.Counter
batchLogs *prometheus.CounterVec
indexedLatestHeight prometheus.Gauge
indexedHeaders prometheus.Counter
indexedLogs prometheus.Counter
}
func NewMetrics(registry *prometheus.Registry, subsystem string) Metricer {
factory := metrics.With(registry)
return &etlMetrics{
intervalTick: factory.NewCounter(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "intervals_total",
Help: "number of times the etl has run its extraction loop",
}),
intervalDuration: factory.NewHistogram(prometheus.HistogramOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "interval_seconds",
Help: "duration elapsed for during the processing loop",
}),
batchFailures: factory.NewCounter(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "failures_total",
Help: "number of times the etl encountered a failure to extract a batch",
}),
batchLatestHeight: factory.NewGauge(prometheus.GaugeOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "height",
Help: "the latest block height observed by an etl interval",
}),
batchHeaders: factory.NewCounter(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "headers_total",
Help: "number of headers observed by the etl",
}),
batchLogs: factory.NewCounterVec(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "logs_total",
Help: "number of logs observed by the etl",
}, []string{
"contract",
}),
indexedLatestHeight: factory.NewGauge(prometheus.GaugeOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "indexed_height",
Help: "the latest block height indexed into the database",
}),
indexedHeaders: factory.NewCounter(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "indexed_headers_total",
Help: "number of headers indexed by the etl",
}),
indexedLogs: factory.NewCounter(prometheus.CounterOpts{
Namespace: MetricsNamespace,
Subsystem: subsystem,
Name: "indexed_logs_total",
Help: "number of logs indexed by the etl",
}),
}
}
func (m *etlMetrics) RecordInterval() func(error) {
m.intervalTick.Inc()
timer := prometheus.NewTimer(m.intervalDuration)
return func(err error) {
if err != nil {
m.RecordBatchFailure()
}
timer.ObserveDuration()
}
}
func (m *etlMetrics) RecordBatchFailure() {
m.batchFailures.Inc()
}
func (m *etlMetrics) RecordBatchLatestHeight(height *big.Int) {
m.batchLatestHeight.Set(float64(height.Uint64()))
}
func (m *etlMetrics) RecordBatchHeaders(size int) {
m.batchHeaders.Add(float64(size))
}
func (m *etlMetrics) RecordBatchLog(contractAddress common.Address) {
m.batchLogs.WithLabelValues(contractAddress.String()).Inc()
}
func (m *etlMetrics) RecordIndexedLatestHeight(height *big.Int) {
m.indexedLatestHeight.Set(float64(height.Uint64()))
}
func (m *etlMetrics) RecordIndexedHeaders(size int) {
m.indexedHeaders.Add(float64(size))
}
func (m *etlMetrics) RecordIndexedLogs(size int) {
m.indexedLogs.Add(float64(size))
}