This repository has been archived by the owner on Dec 11, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 2
/
main.go
253 lines (223 loc) · 6.87 KB
/
main.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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
package main
import (
"github.com/alecthomas/kong"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/collectors"
"github.com/prometheus/client_golang/prometheus/promhttp"
"net/http"
"os"
"runtime"
"time"
)
const (
levelDebug = "debug"
levelInfo = "info"
levelWarn = "warn"
levelError = "error"
)
var (
// Version of opsgenie-exporter.
Version string
// Revision or Commit this binary was built from.
Revision string
// GoVersion running this binary.
GoVersion = runtime.Version()
// StartTime has the time this was started.
StartTime = time.Now()
)
const (
namespace = "opsgenie"
// subsystems
alertSubsystem = "alerts"
teamSubsystem = "teams"
userSubsystem = "users"
// labels
labelStatus = "status"
labelUserRole = "role"
)
var config struct {
WebAddr string `name:"http.addr" default:"0.0.0.0:9212" help:"The address the exporter is running on"`
WebPath string `name:"http.path" default:"/metrics" help:"The path metrics will be exposed at"`
LogJSON bool `name:"log.json" default:"false" help:"Tell the exporter to log json and not key value pairs"`
LogLevel string `name:"log.level" default:"info" enum:"error,warn,info,debug" help:"The log level to use for filtering logs"`
OpsgenieApiKey string `required:"true" name:"opsgenie.apikey" help:"The opsgenie api token"`
}
func main() {
_ = kong.Parse(&config,
kong.Name("opsgenie-exporter"),
)
levelFilter := map[string]level.Option{
levelError: level.AllowError(),
levelWarn: level.AllowWarn(),
levelInfo: level.AllowInfo(),
levelDebug: level.AllowDebug(),
}
logger := log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr))
if config.LogJSON {
logger = log.NewJSONLogger(log.NewSyncWriter(os.Stderr))
}
logger = level.NewFilter(logger, levelFilter[config.LogLevel])
logger = log.With(logger,
"ts", log.DefaultTimestampUTC,
"caller", log.DefaultCaller,
)
opsgenieClient, err := NewOpsgenieClient(config.OpsgenieApiKey)
if err != nil {
level.Error(logger).Log("msg", "failed to initialize opsgenie client", "err", err)
os.Exit(1)
}
reg := prometheus.NewRegistry()
reg.MustRegister(
collectors.NewGoCollector(),
collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}),
&opsgenieCollector{
client: opsgenieClient,
logger: logger,
OpsgenieAlertMetricsCreatedTotal: prometheus.NewDesc(
prometheus.BuildFQName(namespace, alertSubsystem, "created_total"),
"opsgenie alert metrics",
nil, nil,
),
OpsgenieAlertMetricsCount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, alertSubsystem, "status_count"),
"opsgenie alert metrics",
[]string{labelStatus}, nil,
),
OpsgenieTeamMetricsCount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, teamSubsystem, "count"),
"opsgenie team metrics",
nil, nil,
),
OpsgenieUserMetricsCount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, userSubsystem, "count"),
"opsgenie user metrics",
[]string{labelUserRole}, nil,
),
},
)
http.Handle(config.WebPath,
promhttp.HandlerFor(reg, promhttp.HandlerOpts{}),
)
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`<html>
<head><title>Opsgenie Exporter</title></head>
<body>
<h1>Opsgenie Exporter</h1>
<p><a href="` + config.WebPath + `">see metrics</a></p>
</body>
</html>`))
})
level.Info(logger).Log("msg", "listening", "addr", config.WebAddr)
if err := http.ListenAndServe(config.WebAddr, nil); err != nil {
level.Error(logger).Log("msg", "http listenandserve error", "err", err)
os.Exit(1)
}
}
type opsgenieCollector struct {
client *OpsgenieClient
logger log.Logger
// metrics
OpsgenieAlertMetricsCreatedTotal *prometheus.Desc
OpsgenieAlertMetricsCount *prometheus.Desc
OpsgenieTeamMetricsCount *prometheus.Desc
OpsgenieUserMetricsCount *prometheus.Desc
}
func (c *opsgenieCollector) Describe(descs chan<- *prometheus.Desc) {
descs <- c.OpsgenieAlertMetricsCreatedTotal
descs <- c.OpsgenieAlertMetricsCount
descs <- c.OpsgenieTeamMetricsCount
descs <- c.OpsgenieUserMetricsCount
}
func (c *opsgenieCollector) Collect(metrics chan<- prometheus.Metric) {
level.Debug(c.logger).Log("msg", "scraping opsgenie api")
c.collectOpsgenieAlertMetrics(metrics)
c.collectOpsgenieTeamMetrics(metrics)
c.collectOpsgenieUserMetrics(metrics)
}
func (c *opsgenieCollector) collectOpsgenieAlertMetrics(metrics chan<- prometheus.Metric) {
c.processOpsgenieAlertsCreatedTotal(metrics)
c.processOpsgenieAlertsOpenCount(metrics)
c.processOpsgenieAlertsClosedCount(metrics)
}
func (c *opsgenieCollector) processOpsgenieAlertsCreatedTotal(metrics chan<- prometheus.Metric) {
value, err := c.client.CountAlerts()
if err != nil {
level.Error(c.logger).Log("msg", "failed to query alerts from opsgenie", "err", err)
return
}
metrics <- prometheus.MustNewConstMetric(
c.OpsgenieAlertMetricsCreatedTotal,
prometheus.CounterValue,
value,
)
}
func (c *opsgenieCollector) processOpsgenieAlertsOpenCount(metrics chan<- prometheus.Metric) {
value, err := c.client.CountOpenAlerts()
if err != nil {
level.Error(c.logger).Log("msg", "failed to query alerts from opsgenie", "err", err)
return
}
labels := []string{
alertOpenStatus,
}
metrics <- prometheus.MustNewConstMetric(
c.OpsgenieAlertMetricsCount,
prometheus.GaugeValue,
value,
labels...,
)
}
func (c *opsgenieCollector) processOpsgenieAlertsClosedCount(metrics chan<- prometheus.Metric) {
value, err := c.client.CountClosedAlerts()
if err != nil {
level.Error(c.logger).Log("msg", "failed to query alerts from opsgenie", "err", err)
return
}
labels := []string{
alertClosedStatus,
}
metrics <- prometheus.MustNewConstMetric(
c.OpsgenieAlertMetricsCount,
prometheus.GaugeValue,
value,
labels...,
)
}
func (c *opsgenieCollector) collectOpsgenieTeamMetrics(metrics chan<- prometheus.Metric) {
c.processOpsgenieTeamsCount(metrics)
}
func (c *opsgenieCollector) processOpsgenieTeamsCount(metrics chan<- prometheus.Metric) {
value, err := c.client.CountTeams()
if err != nil {
level.Error(c.logger).Log("msg", "failed to query teams from opsgenie", "err", err)
return
}
metrics <- prometheus.MustNewConstMetric(
c.OpsgenieTeamMetricsCount,
prometheus.GaugeValue,
value,
)
}
func (c *opsgenieCollector) collectOpsgenieUserMetrics(metrics chan<- prometheus.Metric) {
c.processOpsgenieUsersCount(metrics)
}
func (c *opsgenieCollector) processOpsgenieUsersCount(metrics chan<- prometheus.Metric) {
valuesMap, err := c.client.CountUsersByRole()
if err != nil {
level.Error(c.logger).Log("msg", "failed to query users from opsgenie", "err", err)
return
}
for k, v := range valuesMap {
labels := []string{
k,
}
metrics <- prometheus.MustNewConstMetric(
c.OpsgenieUserMetricsCount,
prometheus.GaugeValue,
v,
labels...,
)
}
}