app/vmselect: mention the original query and time range in error messages

This should simplify debugging invalid or heavy queries.
This commit is contained in:
Aliaksandr Valialkin 2020-01-22 17:32:11 +02:00
parent 18a4503261
commit e1a264173a
2 changed files with 7 additions and 7 deletions

View File

@ -285,7 +285,7 @@ func deleteHandler(w http.ResponseWriter, r *http.Request, p *httpserver.Path, a
}
func sendPrometheusError(w http.ResponseWriter, r *http.Request, err error) {
logger.Errorf("error in %q: %s", r.URL.Path, err)
logger.Errorf("error in %q: %s", r.RequestURI, err)
w.Header().Set("Content-Type", "application/json")
statusCode := http.StatusUnprocessableEntity

View File

@ -145,7 +145,7 @@ func ExportHandler(at *auth.Token, w http.ResponseWriter, r *http.Request) error
end = start + defaultStep
}
if err := exportHandler(at, w, matches, start, end, format, deadline); err != nil {
return err
return fmt.Errorf("error when exporting data for queries=%q on the time range (start=%d, end=%d): %s", matches, start, end, err)
}
exportDuration.UpdateDuration(startTime)
return nil
@ -657,7 +657,7 @@ func QueryHandler(at *auth.Token, w http.ResponseWriter, r *http.Request) error
end := start
start = end - window
if err := exportHandler(at, w, []string{childQuery}, start, end, "promapi", deadline); err != nil {
return err
return fmt.Errorf("error when exporting data for query=%q on the time range (start=%d, end=%d): %s", childQuery, start, end, err)
}
queryDuration.UpdateDuration(startTime)
return nil
@ -682,7 +682,7 @@ func QueryHandler(at *auth.Token, w http.ResponseWriter, r *http.Request) error
end := start
start = end - window
if err := queryRangeHandler(at, w, childQuery, start, end, step, r, ct); err != nil {
return err
return fmt.Errorf("error when executing query=%q on the time range (start=%d, end=%d, step=%d): %s", childQuery, start, end, step, err)
}
queryDuration.UpdateDuration(startTime)
return nil
@ -700,7 +700,7 @@ func QueryHandler(at *auth.Token, w http.ResponseWriter, r *http.Request) error
}
result, err := promql.Exec(&ec, query, true)
if err != nil {
return fmt.Errorf("cannot execute %q: %s", query, err)
return fmt.Errorf("error when executing query=%q for (time=%d, step=%d): %s", query, start, step, err)
}
w.Header().Set("Content-Type", "application/json")
@ -749,7 +749,7 @@ func QueryRangeHandler(at *auth.Token, w http.ResponseWriter, r *http.Request) e
return err
}
if err := queryRangeHandler(at, w, query, start, end, step, r, ct); err != nil {
return err
return fmt.Errorf("error when executing query=%q on the time range (start=%d, end=%d, step=%d): %s", query, start, end, step, err)
}
queryRangeDuration.UpdateDuration(startTime)
return nil
@ -790,7 +790,7 @@ func queryRangeHandler(at *auth.Token, w http.ResponseWriter, query string, star
}
result, err := promql.Exec(&ec, query, false)
if err != nil {
return fmt.Errorf("cannot execute %q: %s", query, err)
return fmt.Errorf("cannot execute query: %s", err)
}
queryOffset := getLatencyOffsetMilliseconds()
if ct-end < queryOffset {