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Initial Prometheus alertmanager webhook
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package httplistener | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "github.com/spf13/viper" | ||
| "net/http" | ||
| ) | ||
|
|
||
| type HookMessage struct { | ||
| Version string `json:"version"` | ||
| GroupKey string `json:"groupKey"` | ||
| Status string `json:"status"` | ||
| Receiver string `json:"receiver"` | ||
| GroupLabels map[string]string `json:"groupLabels"` | ||
| CommonLabels map[string]string `json:"commonLabels"` | ||
| CommonAnnotations map[string]string `json:"commonAnnotations"` | ||
| ExternalURL string `json:"externalURL"` | ||
| Alerts []Alert `json:"alerts"` | ||
| } | ||
|
|
||
| type Alert struct { | ||
| Status string `json:"status"` | ||
| Labels map[string]string `json:"labels"` | ||
| Annotations map[string]string `json:"annotations"` | ||
| StartsAt string `json:"startsAt,omitempty"` | ||
| EndsAt string `json:"endsAt,omitempty"` | ||
| GeneratorURL string `json:"generatorURL"` | ||
| } | ||
|
|
||
| func (hl *HTTPListener) prometheusHandler(w http.ResponseWriter, request *http.Request) { | ||
| if request.Method != "POST" { | ||
| http.NotFound(w, request) | ||
| return | ||
| } | ||
|
|
||
| var message HookMessage | ||
| buf := new(bytes.Buffer) | ||
| buf.ReadFrom(request.Body) | ||
| json.Unmarshal(buf.Bytes(), &message) | ||
| log.Infof("%s [%s] Prometheus alert", request.RemoteAddr, viper.GetString("http.listeners.prometheus")) | ||
|
|
||
| msgs, err := hl.renderTemplate("prometheus.alert", message) | ||
| if err != nil { | ||
| log.Errorf("Unable to render template: %s", err) | ||
| return | ||
| } | ||
|
|
||
| channel := viper.GetString("http.listeners.prometheus") | ||
| for _, msg := range msgs { | ||
| hl.irc.Privmsg(channel, msg) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| { | ||
| "version": "4", | ||
| "groupKey": "group", | ||
| "status": "firing", | ||
| "receiver": "irccat", | ||
| "groupLabels": {}, | ||
| "commonLabels": {}, | ||
| "commonAnnotations": {}, | ||
| "externalURL": "http://alertmanager:9093", | ||
| "alerts": [ | ||
| { | ||
| "status": "firing", | ||
| "labels": { | ||
| "alertname": "Test Alert", | ||
| "instance": "test.example.com", | ||
| "job": "jobname" | ||
| }, | ||
| "annotations": { | ||
| "summary": "Alert summary" | ||
| }, | ||
| "startsAt": "2019-11-10T23:20:50.52Z", | ||
| "endsAt": "2019-11-10T23:20:50.52Z", | ||
| "generatorURL": "http://prometheus:9090/graph?" | ||
| } | ||
| ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| { | ||
| "version": "4", | ||
| "groupKey": "group", | ||
| "status": "firing", | ||
| "receiver": "irccat", | ||
| "groupLabels": {}, | ||
| "commonLabels": {}, | ||
| "commonAnnotations": {}, | ||
| "externalURL": "http://alertmanager:9093", | ||
| "alerts": [ | ||
| { | ||
| "status": "firing", | ||
| "labels": { | ||
| "alertname": "Test Alert", | ||
| "instance": "test.example.com", | ||
| "job": "jobname" | ||
| }, | ||
| "annotations": { | ||
| "summary": "Alert summary" | ||
| }, | ||
| "startsAt": "2019-11-10T23:20:50.52Z", | ||
| "endsAt": "2019-11-10T23:20:50.52Z", | ||
| "generatorURL": "http://prometheus:9090/graph?" | ||
| } | ||
| ] | ||
| } |