68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package grafana
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/mitchellh/mapstructure"
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log "github.com/sirupsen/logrus"
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"dev.sum7.eu/genofire/logmania/input/webhook"
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)
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type evalMatch struct {
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Tags map[string]string `mapstructure:"tags,omitempty"`
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Metric string `mapstructure:"metric"`
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Value float64 `mapstructure:"value"`
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}
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type requestBody struct {
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Title string `mapstructure:"title"`
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State string `mapstructure:"state"`
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RuleID int64 `mapstructure:"ruleId"`
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RuleName string `mapstructure:"ruleName"`
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RuleURL string `mapstructure:"ruleUrl"`
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EvalMatches []evalMatch `mapstructure:"evalMatches"`
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ImageURL string `mapstructure:"imageUrl"`
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Message string `mapstructure:"message"`
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}
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const webhookType = "grafana"
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var HookstateMap = map[string]log.Level{
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"no_data": log.ErrorLevel,
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"paused": log.InfoLevel,
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"alerting": log.ErrorLevel,
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"ok": log.InfoLevel,
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"pending": log.WarnLevel,
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}
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var logger = log.WithField("input", webhook.InputType).WithField("hook", webhookType)
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func handler(_ http.Header, body interface{}) *log.Entry {
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var request requestBody
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if err := mapstructure.Decode(body, &request); err != nil {
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logger.Warnf("not able to decode data: %s", err)
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return nil
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}
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if request.RuleURL == "" {
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return nil
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}
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entry := log.NewEntry(nil)
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entry = entry.WithField("hostname", request.RuleURL)
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entry.Time = time.Now()
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entry.Level = HookstateMap[request.State]
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if request.Message == "" {
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entry.Message = fmt.Sprintf("%s - %s: %s", request.Title, request.State, request.RuleURL)
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} else {
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entry.Message = fmt.Sprintf("%s - %s: %s %s", request.Title, request.State, request.Message, request.RuleURL)
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}
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return entry
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}
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func init() {
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webhook.AddHandler(webhookType, handler)
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}
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