This repository has been archived by the owner on Jul 12, 2023. It is now read-only.
/
metrics.go
97 lines (90 loc) · 3.63 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
// Copyright 2020 Google LLC
//
// Licensed 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 issueapi
import (
"fmt"
"github.com/google/exposure-notifications-verification-server/pkg/observability"
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
var (
MetricPrefix = observability.MetricRoot + "/api/issue"
)
type Metrics struct {
IssueAttempts *stats.Int64Measure
CodesIssued *stats.Int64Measure
CodeIssueErrors *stats.Int64Measure
SMSSent *stats.Int64Measure
SMSSendErrors *stats.Int64Measure
}
func registerMetrics() (*Metrics, error) {
mIssueAttempts := stats.Int64(MetricPrefix+"/attempts", "The number of attempts to issue codes", stats.UnitDimensionless)
if err := view.Register(&view.View{
Name: MetricPrefix + "/attempt_count",
Measure: mIssueAttempts,
Description: "The count of the number of attempts to issue codes",
TagKeys: []tag.Key{observability.RealmTagKey},
Aggregation: view.Count(),
}); err != nil {
return nil, fmt.Errorf("stat view registration failure: %w", err)
}
mCodesIssued := stats.Int64(MetricPrefix+"/codes_issued", "The number of verification codes issued", stats.UnitDimensionless)
if err := view.Register(&view.View{
Name: MetricPrefix + "/codes_issued_count",
Measure: mCodesIssued,
Description: "The count of verification codes issued",
TagKeys: []tag.Key{observability.RealmTagKey},
Aggregation: view.Count(),
}); err != nil {
return nil, fmt.Errorf("stat view registration failure: %w", err)
}
mCodeIssueErrors := stats.Int64(MetricPrefix+"code_issue_error", "The number of failed code issues", stats.UnitDimensionless)
if err := view.Register(&view.View{
Name: MetricPrefix + "/code_issue_error_count",
Measure: mCodeIssueErrors,
Description: "The count of the number of times a code fails to issue",
TagKeys: []tag.Key{observability.RealmTagKey},
Aggregation: view.Count(),
}); err != nil {
return nil, fmt.Errorf("stat view registration failure: %w", err)
}
mSMSSent := stats.Int64(MetricPrefix+"/sms_sent", "The number of SMS messages sent", stats.UnitDimensionless)
if err := view.Register(&view.View{
Name: MetricPrefix + "/sms_sent_count",
Measure: mSMSSent,
Description: "The count of verification codes sent over SMS",
TagKeys: []tag.Key{observability.RealmTagKey},
Aggregation: view.Count(),
}); err != nil {
return nil, fmt.Errorf("stat view registration failure: %w", err)
}
mSMSSendErrors := stats.Int64(MetricPrefix+"sms_send_error", "The number of failed SMS sends", stats.UnitDimensionless)
if err := view.Register(&view.View{
Name: MetricPrefix + "/sms_send_error_count",
Measure: mSMSSendErrors,
Description: "The count of the number of a code issue failed due to SMS send failure",
TagKeys: []tag.Key{observability.RealmTagKey},
Aggregation: view.Count(),
}); err != nil {
return nil, fmt.Errorf("stat view registration failure: %w", err)
}
return &Metrics{
IssueAttempts: mIssueAttempts,
CodesIssued: mCodesIssued,
CodeIssueErrors: mCodesIssued,
SMSSent: mSMSSent,
SMSSendErrors: mSMSSendErrors,
}, nil
}