/
observability.go
132 lines (118 loc) · 4.13 KB
/
observability.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
// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// 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 pubsub
import (
"context"
"github.com/prometheus/client_golang/prometheus"
"go.thethings.network/lorawan-stack/pkg/errors"
"go.thethings.network/lorawan-stack/pkg/events"
"go.thethings.network/lorawan-stack/pkg/metrics"
"go.thethings.network/lorawan-stack/pkg/ttnpb"
"go.thethings.network/lorawan-stack/pkg/unique"
)
var (
evtSetPubSub = events.Define(
"as.pubsub.set", "set pubsub",
ttnpb.RIGHT_APPLICATION_SETTINGS_BASIC,
)
evtDeletePubSub = events.Define(
"as.pubsub.delete", "delete pubsub",
ttnpb.RIGHT_APPLICATION_SETTINGS_BASIC,
)
evtPubSubStart = events.Define(
"as.pubsub.start", "start pubsub",
ttnpb.RIGHT_APPLICATION_SETTINGS_BASIC,
ttnpb.RIGHT_APPLICATION_TRAFFIC_READ,
ttnpb.RIGHT_APPLICATION_TRAFFIC_DOWN_WRITE,
)
evtPubSubStop = events.Define(
"as.pubsub.stop", "stop pubsub",
ttnpb.RIGHT_APPLICATION_SETTINGS_BASIC,
ttnpb.RIGHT_APPLICATION_TRAFFIC_READ,
ttnpb.RIGHT_APPLICATION_TRAFFIC_DOWN_WRITE,
)
evtPubSubFail = events.Define(
"as.pubsub.fail", "fail pubsub",
ttnpb.RIGHT_APPLICATION_SETTINGS_BASIC,
ttnpb.RIGHT_APPLICATION_TRAFFIC_READ,
ttnpb.RIGHT_APPLICATION_TRAFFIC_DOWN_WRITE,
)
)
const (
subsystem = "as_pubsub"
unknown = "unknown"
applicationID = "application_id"
)
var pubsubMetrics = &integrationsMetrics{
integrationsStarted: metrics.NewContextualCounterVec(
prometheus.CounterOpts{
Subsystem: subsystem,
Name: "integrations_started_total",
Help: "Number of integrations started",
},
[]string{applicationID},
),
integrationsStopped: metrics.NewContextualCounterVec(
prometheus.CounterOpts{
Subsystem: subsystem,
Name: "integrations_stopped_total",
Help: "Number of integrations stopped",
},
[]string{applicationID},
),
integrationsFailed: metrics.NewContextualCounterVec(
prometheus.CounterOpts{
Subsystem: subsystem,
Name: "integrations_failed_total",
Help: "Number of integrations failed",
},
[]string{applicationID},
),
}
func init() {
metrics.MustRegister(pubsubMetrics)
}
type integrationsMetrics struct {
integrationsStarted *metrics.ContextualCounterVec
integrationsStopped *metrics.ContextualCounterVec
integrationsFailed *metrics.ContextualCounterVec
}
func (m integrationsMetrics) Describe(ch chan<- *prometheus.Desc) {
m.integrationsStarted.Describe(ch)
m.integrationsStopped.Describe(ch)
m.integrationsFailed.Describe(ch)
}
func (m integrationsMetrics) Collect(ch chan<- prometheus.Metric) {
m.integrationsStarted.Collect(ch)
m.integrationsStopped.Collect(ch)
m.integrationsFailed.Collect(ch)
}
func registerIntegrationStart(ctx context.Context, i *integration) {
events.Publish(evtPubSubStart(ctx, i.ApplicationIdentifiers, i.ApplicationPubSubIdentifiers))
pubsubMetrics.integrationsStarted.WithLabelValues(ctx, i.ApplicationID).Inc()
}
func registerIntegrationStop(ctx context.Context, i *integration) {
events.Publish(evtPubSubStop(ctx, i.ApplicationIdentifiers, i.ApplicationPubSubIdentifiers))
pubsubMetrics.integrationsStopped.WithLabelValues(ctx, i.ApplicationID).Inc()
}
var errIntegrationFailed = errors.DefineAborted("integration_failed", "integration {pub_sub_id} failed")
func registerIntegrationFail(ctx context.Context, i *integration, err error) {
err = errIntegrationFailed.
WithAttributes(
"application_uid", unique.ID(ctx, i.ApplicationIdentifiers),
"pub_sub_id", i.PubSubID).
WithCause(err)
events.Publish(evtPubSubFail(ctx, i.ApplicationIdentifiers, err))
pubsubMetrics.integrationsFailed.WithLabelValues(ctx, i.ApplicationID).Inc()
}