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* feat(instrumentation): add OTel exception semantic convention log handler
Add a loghandler.Wrapper that enriches error log records with OpenTelemetry
exception semantic convention attributes (exception.type, exception.code,
exception.message, exception.stacktrace).
- Add errors.Attr() helper for standardized error logging under "exception" key
- Add exception log handler that replaces raw error attrs with structured group
- Wire exception handler into the instrumentation SDK logger chain
- Remove LogValue() from errors.base as the handler now owns structuring
* refactor: replace "error", err with errors.Attr(err) across codebase
Migrate all slog error logging from ad-hoc "error", err key-value pairs
to the standardized errors.Attr(err) helper, enabling the exception log
handler to enrich these logs with OTel semantic convention attributes.
* refactor: enforce attr-only slog style across codebase
Change sloglint from kv-only to attr-only, requiring all slog calls to
use typed attributes (slog.String, slog.Any, etc.) instead of key-value
pairs. Convert all existing kv-style slog calls in non-excluded paths.
* refactor: tighten slog.Any to specific types and standardize error attrs
- Replace slog.Any with slog.String for string values (action, key, where_clause)
- Replace slog.Any with slog.Uint64 for uint64 values (start, end, step, etc.)
- Replace slog.Any("err", err) with errors.Attr(err) in dispatcher and segment analytics
- Replace slog.Any("error", ctx.Err()) with errors.Attr in factory registry
* fix(instrumentation): use Unwrapb message for exception.message
Use the explicit error message (m) from Unwrapb instead of
foundErr.Error(), which resolves to the inner cause's message
for wrapped errors.
* feat(errors): capture stacktrace at error creation time
Store program counters ([]uintptr) in base errors at creation time
using runtime.Callers, inspired by thanos-io/thanos/pkg/errors. The
exception log handler reads the stacktrace from the error instead of
capturing at log time, showing where the error originated.
* fix(instrumentation): apply default log wrappers uniformly in NewLogger
Move correlation, filtering, and exception wrappers into NewLogger so
all call sites (including CLI loggers in cmd/) get them automatically.
* refactor(instrumentation): remove variadic wrappers from NewLogger
NewLogger no longer accepts arbitrary wrappers. The core wrappers
(correlation, filtering, exception) are hardcoded, preventing callers
from accidentally duplicating behavior.
* refactor: migrate remaining "error", <var> to errors.Attr across legacy paths
Replace all remaining "error", <variable> key-value pairs with
errors.Attr(<variable>) in pkg/query-service/ and ee/query-service/
paths that were missed in the initial migration due to non-standard
variable names (res.Err, filterErr, apiErrorObj.Err, etc).
* refactor(instrumentation): use flat exception.* keys instead of nested group
Use flat keys (exception.type, exception.code, exception.message,
exception.stacktrace) instead of a nested slog.Group in the exception
log handler.
51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
package queryparser
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import (
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"net/http"
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"github.com/SigNoz/signoz/pkg/errors"
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"github.com/SigNoz/signoz/pkg/factory"
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"github.com/SigNoz/signoz/pkg/http/binding"
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"github.com/SigNoz/signoz/pkg/http/render"
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"github.com/SigNoz/signoz/pkg/types/parsertypes"
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)
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type API struct {
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queryParser QueryParser
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settings factory.ProviderSettings
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}
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func NewAPI(settings factory.ProviderSettings, queryParser QueryParser) *API {
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return &API{settings: settings, queryParser: queryParser}
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}
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// AnalyzeQueryFilter analyzes a query and extracts metric names and grouping columns
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func (a *API) AnalyzeQueryFilter(w http.ResponseWriter, r *http.Request) {
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// Limit request body size to 255 KB (CH query limit is 256 KB)
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r.Body = http.MaxBytesReader(w, r.Body, 255*1024)
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var req parsertypes.QueryFilterAnalyzeRequest
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if err := binding.JSON.BindBody(r.Body, &req); err != nil {
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render.Error(w, err)
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return
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}
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result, err := a.queryParser.AnalyzeQueryFilter(r.Context(), req.QueryType, req.Query)
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if err != nil {
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a.settings.Logger.ErrorContext(r.Context(), "failed to analyze query filter", errors.Attr(err))
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render.Error(w, err)
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return
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}
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// prepare the response
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var resp parsertypes.QueryFilterAnalyzeResponse
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for _, group := range result.GroupByColumns {
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resp.Groups = append(resp.Groups, parsertypes.ColumnInfoResponse{
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Name: group.Name,
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Alias: group.Alias,
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}) // add the group name and alias to the response
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}
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resp.MetricNames = append(resp.MetricNames, result.MetricNames...) // add the metric names to the response
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render.Success(w, http.StatusOK, resp)
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}
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