mirror of
https://github.com/grafana/grafana.git
synced 2024-11-30 12:44:10 -06:00
107 lines
2.2 KiB
Go
107 lines
2.2 KiB
Go
package notifications
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"time"
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"golang.org/x/net/context/ctxhttp"
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"github.com/grafana/grafana/pkg/log"
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"github.com/grafana/grafana/pkg/util"
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)
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type Webhook struct {
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Url string
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User string
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Password string
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Body string
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HttpMethod string
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HttpHeader map[string]string
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}
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var netTransport = &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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Dial: (&net.Dialer{
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Timeout: 30 * time.Second,
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}).Dial,
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TLSHandshakeTimeout: 5 * time.Second,
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}
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var netClient = &http.Client{
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Timeout: time.Second * 30,
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Transport: netTransport,
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}
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var (
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webhookQueue chan *Webhook
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webhookLog log.Logger
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)
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func initWebhookQueue() {
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webhookLog = log.New("notifications.webhook")
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webhookQueue = make(chan *Webhook, 10)
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go processWebhookQueue()
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}
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func processWebhookQueue() {
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for {
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select {
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case webhook := <-webhookQueue:
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err := sendWebRequestSync(context.Background(), webhook)
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if err != nil {
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webhookLog.Error("Failed to send webrequest ", "error", err)
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}
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}
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}
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}
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func sendWebRequestSync(ctx context.Context, webhook *Webhook) error {
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webhookLog.Debug("Sending webhook", "url", webhook.Url, "http method", webhook.HttpMethod)
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if webhook.HttpMethod == "" {
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webhook.HttpMethod = http.MethodPost
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}
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request, err := http.NewRequest(webhook.HttpMethod, webhook.Url, bytes.NewReader([]byte(webhook.Body)))
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if err != nil {
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return err
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}
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request.Header.Add("Content-Type", "application/json")
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request.Header.Add("User-Agent", "Grafana")
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if webhook.User != "" && webhook.Password != "" {
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request.Header.Add("Authorization", util.GetBasicAuthHeader(webhook.User, webhook.Password))
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}
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for k, v := range webhook.HttpHeader {
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request.Header.Set(k, v)
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}
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resp, err := ctxhttp.Do(ctx, netClient, request)
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if err != nil {
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return err
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}
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if resp.StatusCode/100 == 2 {
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return nil
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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webhookLog.Debug("Webhook failed", "statuscode", resp.Status, "body", string(body))
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return fmt.Errorf("Webhook response status %v", resp.Status)
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}
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var addToWebhookQueue = func(msg *Webhook) {
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webhookQueue <- msg
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}
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