Error logging
parent
b5158adb51
commit
9b54f63eb1
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@ -77,7 +77,11 @@ func (e *Event) Time(time time.Time) *Event {
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// Err adds an "error" field to the log event
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func (e *Event) Err(err error) *Event {
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e.fields[errorField] = err.Error()
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if c, ok := err.(Contexter); ok {
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e.Fields(c.Context())
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} else {
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e.fields[errorField] = err.Error()
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}
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return e
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}
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@ -4,7 +4,6 @@ import (
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"bytes"
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"github.com/stretchr/testify/require"
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"heckel.io/ntfy/log"
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"net/http"
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"os"
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"testing"
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"time"
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@ -23,6 +22,10 @@ func TestLog_TagContextFieldFields(t *testing.T) {
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UserID: "u_abc",
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IP: "1.2.3.4",
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}
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err := &fakeError{
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Code: 123,
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Message: "some error",
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}
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var out bytes.Buffer
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log.SetOutput(&out)
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log.SetFormat(log.JSONFormat)
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@ -44,23 +47,39 @@ func TestLog_TagContextFieldFields(t *testing.T) {
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"stripe_subscription_id": "sub_123",
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}).
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Tag("stripe").
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Err(http.ErrHandlerTimeout).
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Err(err).
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Time(time.Unix(456, 0)).
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Debug("Subscription status %s", "active")
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expected := `{"time":123000,"level":"INFO","message":"hi there phil","field1":"value1","field2":123,"tag":"mytag"}
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{"time":456000,"level":"DEBUG","message":"Subscription status active","error":"http: Handler timeout","stripe_customer_id":"acct_123","stripe_subscription_id":"sub_123","tag":"stripe","user_id":"u_abc","visitor_ip":"1.2.3.4"}
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{"time":456000,"level":"DEBUG","message":"Subscription status active","error":"some error","error_code":123,"stripe_customer_id":"acct_123","stripe_subscription_id":"sub_123","tag":"stripe","user_id":"u_abc","visitor_ip":"1.2.3.4"}
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`
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require.Equal(t, expected, out.String())
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}
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type fakeError struct {
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Code int
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Message string
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}
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func (e fakeError) Error() string {
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return e.Message
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}
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func (e fakeError) Context() log.Context {
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return log.Context{
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"error": e.Message,
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"error_code": e.Code,
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}
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}
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type fakeVisitor struct {
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UserID string
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IP string
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}
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func (v *fakeVisitor) Context() log.Context {
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return map[string]any{
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return log.Context{
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"user_id": v.UserID,
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"visitor_ip": v.IP,
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}
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@ -3,6 +3,7 @@ package server
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import (
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"encoding/json"
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"fmt"
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"heckel.io/ntfy/log"
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"net/http"
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)
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@ -23,6 +24,14 @@ func (e errHTTP) JSON() string {
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return string(b)
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}
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func (e errHTTP) Context() log.Context {
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return log.Context{
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"error": e.Message,
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"error_code": e.Code,
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"http_status": e.HTTPCode,
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}
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}
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func wrapErrHTTP(err *errHTTP, message string, args ...any) *errHTTP {
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return &errHTTP{
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Code: err.Code,
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@ -3,6 +3,7 @@ package server
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import (
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"fmt"
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"github.com/emersion/go-smtp"
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"github.com/gorilla/websocket"
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"golang.org/x/time/rate"
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"heckel.io/ntfy/log"
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"heckel.io/ntfy/util"
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@ -13,7 +14,7 @@ import (
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// logr creates a new log event with HTTP request fields
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func logr(r *http.Request) *log.Event {
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return log.Fields(httpFields(r))
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return log.Fields(httpContext(r))
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}
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// logr creates a new log event with visitor fields
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@ -23,7 +24,7 @@ func logv(v *visitor) *log.Event {
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// logr creates a new log event with HTTP request and visitor fields
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func logvr(v *visitor, r *http.Request) *log.Event {
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return logv(v).Fields(httpFields(r))
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return logv(v).Fields(httpContext(r))
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}
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// logvrm creates a new log event with HTTP request, visitor fields and message fields
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@ -46,17 +47,30 @@ func logem(state *smtp.ConnectionState) *log.Event {
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})
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}
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func httpFields(r *http.Request) map[string]any {
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func httpContext(r *http.Request) log.Context {
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requestURI := r.RequestURI
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if requestURI == "" {
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requestURI = r.URL.Path
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}
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return map[string]any{
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return log.Context{
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"http_method": r.Method,
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"http_path": requestURI,
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}
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}
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func websocketErrorContext(err error) log.Context {
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if c, ok := err.(*websocket.CloseError); ok {
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return log.Context{
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"error": c.Error(),
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"error_code": c.Code,
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"error_type": "websocket.CloseError",
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}
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}
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return log.Context{
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"error": err.Error(),
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}
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}
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func requestLimiterFields(limiter *rate.Limiter) map[string]any {
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return map[string]any{
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"visitor_request_limiter_limit": limiter.Limit(),
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@ -334,9 +334,9 @@ func (s *Server) handle(w http.ResponseWriter, r *http.Request) {
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if websocket.IsWebSocketUpgrade(r) {
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isNormalError := strings.Contains(err.Error(), "i/o timeout")
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if isNormalError {
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logvr(v, r).Tag(tagWebsocket).Err(err).Debug("WebSocket error (this error is okay, it happens a lot): %s", err.Error())
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logvr(v, r).Tag(tagWebsocket).Err(err).Fields(websocketErrorContext(err)).Debug("WebSocket error (this error is okay, it happens a lot): %s", err.Error())
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} else {
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logvr(v, r).Tag(tagWebsocket).Err(err).Info("WebSocket error: %s", err.Error())
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logvr(v, r).Tag(tagWebsocket).Err(err).Fields(websocketErrorContext(err)).Info("WebSocket error: %s", err.Error())
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}
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return // Do not attempt to write to upgraded connection
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}
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@ -351,19 +351,11 @@ func (s *Server) handle(w http.ResponseWriter, r *http.Request) {
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isNormalError := httpErr.HTTPCode == http.StatusNotFound || httpErr.HTTPCode == http.StatusBadRequest
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if isNormalError {
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logvr(v, r).
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Fields(log.Context{
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"error_code": httpErr.Code,
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"http_status": httpErr.HTTPCode,
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}).
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Err(err).
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Err(httpErr).
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Debug("Connection closed with HTTP %d (ntfy error %d): %s", httpErr.HTTPCode, httpErr.Code, err.Error())
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} else {
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logvr(v, r).
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Fields(log.Context{
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"error_code": httpErr.Code,
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"http_status": httpErr.HTTPCode,
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}).
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Err(err).
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Err(httpErr).
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Info("Connection closed with HTTP %d (ntfy error %d): %s", httpErr.HTTPCode, httpErr.Code, err.Error())
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}
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w.Header().Set("Content-Type", "application/json")
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@ -1161,7 +1153,7 @@ func (s *Server) handleSubscribeWS(w http.ResponseWriter, r *http.Request, v *vi
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}
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err = g.Wait()
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if err != nil && websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
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logvr(v, r).Tag(tagWebsocket).Err(err).Trace("WebSocket connection closed")
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logvr(v, r).Tag(tagWebsocket).Err(err).Fields(websocketErrorContext(err)).Trace("WebSocket connection closed")
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return nil // Normal closures are not errors; note: "1006 (abnormal closure)" is treated as normal, because people disconnect a lot
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}
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return err
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