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feat: send webhook on planned upgrade (experimental)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package webhook | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| "github.com/avast/retry-go/v4" | ||
| "github.com/rs/zerolog/log" | ||
| ) | ||
|
|
||
| type Webhook struct { | ||
| endpoint url.URL | ||
| client *http.Client | ||
| } | ||
|
|
||
| func New(endpoint url.URL) *Webhook { | ||
| return &Webhook{ | ||
| endpoint: endpoint, | ||
| client: &http.Client{}, | ||
| } | ||
| } | ||
|
|
||
| func (w *Webhook) Send(ctx context.Context, message interface{}) error { | ||
| body, err := json.Marshal(message) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to marshal message: %w", err) | ||
| } | ||
|
|
||
| log.Info().Msgf("sending webhook: %s", body) | ||
|
|
||
| req, err := http.NewRequestWithContext(ctx, "POST", w.endpoint.String(), bytes.NewBuffer(body)) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create request: %w", err) | ||
| } | ||
|
|
||
| req.Header.Set("Content-Type", "application/json") | ||
|
|
||
| retryOpts := []retry.Option{ | ||
| retry.Context(ctx), | ||
| retry.Delay(1 * time.Second), | ||
| retry.Attempts(3), | ||
| retry.OnRetry(func(_ uint, err error) { | ||
| log.Warn().Err(err).Msgf("retrying webhook on %s", w.endpoint.String()) | ||
| }), | ||
| } | ||
|
|
||
| return retry.Do(func() error { | ||
| return w.postRequest(ctx, req) | ||
| }, retryOpts...) | ||
| } | ||
|
|
||
| func (w *Webhook) postRequest(ctx context.Context, req *http.Request) error { | ||
| resp, err := w.client.Do(req) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to send request: %w", err) | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| // Check if response is not 4xx or 5xx | ||
| if resp.StatusCode >= 400 { | ||
| return fmt.Errorf("unexpected response status: %s", resp.Status) | ||
| } | ||
|
|
||
| return nil | ||
| } |