/
opsgenie.go
123 lines (106 loc) · 3.35 KB
/
opsgenie.go
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package opsgenie
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"github.com/containrrr/shoutrrr/pkg/format"
"github.com/containrrr/shoutrrr/pkg/services/standard"
"github.com/containrrr/shoutrrr/pkg/types"
)
const (
alertEndpointTemplate = "https://%s:%d/v2/alerts"
)
// Service providing OpsGenie as a notification service
type Service struct {
standard.Standard
config *Config
pkr format.PropKeyResolver
}
func (service *Service) sendAlert(url string, apiKey string, payload AlertPayload) error {
jsonBody, err := json.Marshal(payload)
if err != nil {
return err
}
jsonBuffer := bytes.NewBuffer(jsonBody)
req, err := http.NewRequest("POST", url, jsonBuffer)
if err != nil {
return err
}
req.Header.Add("Authorization", "GenieKey "+apiKey)
req.Header.Add("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
return fmt.Errorf("failed to send notification to OpsGenie: %s", err)
}
defer resp.Body.Close()
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("OpsGenie notification returned %d HTTP status code. Cannot read body: %s", resp.StatusCode, err)
}
return fmt.Errorf("OpsGenie notification returned %d HTTP status code: %s", resp.StatusCode, body)
}
return nil
}
// Initialize loads ServiceConfig from configURL and sets logger for this Service
func (service *Service) Initialize(configURL *url.URL, logger types.StdLogger) error {
service.Logger.SetLogger(logger)
service.config = &Config{}
service.pkr = format.NewPropKeyResolver(service.config)
return service.config.setURL(&service.pkr, configURL)
}
// Send a notification message to OpsGenie
// See: https://docs.opsgenie.com/docs/alert-api#create-alert
func (service *Service) Send(message string, params *types.Params) error {
config := service.config
endpointURL := fmt.Sprintf(alertEndpointTemplate, config.Host, config.Port)
payload, err := service.newAlertPayload(message, params)
if err != nil {
return err
}
return service.sendAlert(endpointURL, config.APIKey, payload)
}
func (service *Service) newAlertPayload(message string, params *types.Params) (AlertPayload, error) {
if params == nil {
params = &types.Params{}
}
// Defensive copy
payloadFields := *service.config
if err := service.pkr.UpdateConfigFromParams(&payloadFields, params); err != nil {
return AlertPayload{}, err
}
// Use `Message` for the title if available, or if the message is too long
// Use `Description` for the message in these scenarios
title := payloadFields.Title
description := message
if title == "" {
if len(message) > 130 {
title = message[:130]
} else {
title = message
description = ""
}
}
if payloadFields.Description != "" && description != "" {
description = description + "\n"
}
result := AlertPayload{
Message: title,
Alias: payloadFields.Alias,
Description: description + payloadFields.Description,
Responders: payloadFields.Responders,
VisibleTo: payloadFields.VisibleTo,
Actions: payloadFields.Actions,
Tags: payloadFields.Tags,
Details: payloadFields.Details,
Entity: payloadFields.Entity,
Source: payloadFields.Source,
Priority: payloadFields.Priority,
User: payloadFields.User,
Note: payloadFields.Note,
}
return result, nil
}