Files

489 lines
14 KiB
Go

package http
import (
"compress/gzip"
"context"
"encoding/json"
"fmt"
"log/slog"
"net/http"
"strconv"
"strings"
"time"
"github.com/google/uuid"
"github.com/nextlevelbuilder/goclaw/internal/i18n"
"github.com/nextlevelbuilder/goclaw/internal/permissions"
"github.com/nextlevelbuilder/goclaw/internal/store"
)
// TracesHandler handles LLM trace listing and detail endpoints.
type TracesHandler struct {
tracing store.TracingStore
runTimeline store.RunTimelineStore
}
// NewTracesHandler creates a handler for trace management endpoints.
func NewTracesHandler(tracing store.TracingStore, timelines ...store.RunTimelineStore) *TracesHandler {
h := &TracesHandler{tracing: tracing}
if len(timelines) > 0 {
h.runTimeline = timelines[0]
}
return h
}
// RegisterRoutes registers trace routes on the given mux.
func (h *TracesHandler) RegisterRoutes(mux *http.ServeMux) {
mux.HandleFunc("GET /v1/traces", h.authMiddleware(h.handleList))
mux.HandleFunc("GET /v1/traces/follow", h.authMiddleware(h.handleFollow))
mux.HandleFunc("GET /v1/traces/{traceID}/export", h.authMiddleware(h.handleExport))
mux.HandleFunc("GET /v1/traces/{traceID}", h.authMiddleware(h.handleGet))
mux.HandleFunc("GET /v1/runs/{runID}/timeline", h.authMiddleware(h.handleRunTimeline))
mux.HandleFunc("GET /v1/costs/summary", h.authMiddleware(h.handleCostSummary))
}
func (h *TracesHandler) authMiddleware(next http.HandlerFunc) http.HandlerFunc {
return requireAuth("", next)
}
func (h *TracesHandler) handleList(w http.ResponseWriter, r *http.Request) {
locale := store.LocaleFromContext(r.Context())
query := r.URL.Query()
opts := store.TraceListOpts{
Limit: 50,
Offset: 0,
}
if v := query.Get("agent_id"); v != "" {
id, err := uuid.Parse(v)
if err == nil {
opts.AgentID = &id
}
}
if v := query.Get("user_id"); v != "" {
opts.UserID = v
}
if v := query.Get("session_key"); v != "" {
opts.SessionKey = v
}
if v := query.Get("status"); v != "" {
opts.Status = v
}
if v := query.Get("channel"); v != "" {
opts.Channel = v
}
if v := strings.TrimSpace(query.Get("q")); v != "" {
opts.Query = v
}
if v := strings.TrimSpace(query.Get("agent")); v != "" {
opts.AgentQuery = v
}
if v := strings.TrimSpace(query.Get("channel_query")); v != "" {
opts.ChannelQuery = v
}
if v := strings.TrimSpace(query.Get("tool_name")); v != "" {
opts.ToolName = v
}
if parsed, ok, err := parseRFC3339Query(query.Get("from")); err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidRequest, "from must be RFC3339")})
return
} else if ok {
opts.From = &parsed
}
if parsed, ok, err := parseRFC3339Query(query.Get("to")); err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidRequest, "to must be RFC3339")})
return
} else if ok {
opts.To = &parsed
}
if n, ok := parseNonNegativeIntQuery(query.Get("min_input_tokens")); ok {
opts.MinInputTokens = &n
}
if n, ok := parseNonNegativeIntQuery(query.Get("max_input_tokens")); ok {
opts.MaxInputTokens = &n
}
if n, ok := parseNonNegativeIntQuery(query.Get("min_output_tokens")); ok {
opts.MinOutputTokens = &n
}
if n, ok := parseNonNegativeIntQuery(query.Get("max_output_tokens")); ok {
opts.MaxOutputTokens = &n
}
if n, ok := parseNonNegativeIntQuery(query.Get("min_tool_calls")); ok {
opts.MinToolCalls = &n
}
if n, ok := parseNonNegativeIntQuery(query.Get("max_tool_calls")); ok {
opts.MaxToolCalls = &n
}
if v := query.Get("has_tool_calls"); v != "" {
parsed, err := strconv.ParseBool(v)
if err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidRequest, "has_tool_calls must be boolean")})
return
}
opts.HasToolCalls = &parsed
}
if v := query.Get("limit"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n > 0 && n <= 200 {
opts.Limit = n
}
}
if v := query.Get("offset"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n >= 0 {
opts.Offset = n
}
}
// Non-admin callers may only see their own traces.
auth := resolveAuth(r)
if !permissions.HasMinRole(auth.Role, permissions.RoleAdmin) {
callerID := store.UserIDFromContext(r.Context())
opts.UserID = callerID
}
traces, err := h.tracing.ListTraces(r.Context(), opts)
if err != nil {
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
total, _ := h.tracing.CountTraces(r.Context(), opts)
writeJSON(w, http.StatusOK, map[string]any{
"traces": traces,
"total": total,
"limit": opts.Limit,
"offset": opts.Offset,
})
}
func parseRFC3339Query(v string) (time.Time, bool, error) {
v = strings.TrimSpace(v)
if v == "" {
return time.Time{}, false, nil
}
parsed, err := time.Parse(time.RFC3339, v)
if err != nil {
return time.Time{}, false, err
}
return parsed, true, nil
}
func parseNonNegativeIntQuery(v string) (int, bool) {
v = strings.TrimSpace(v)
if v == "" {
return 0, false
}
n, err := strconv.Atoi(v)
if err != nil || n < 0 {
return 0, false
}
return n, true
}
func (h *TracesHandler) handleFollow(w http.ResponseWriter, r *http.Request) {
locale := store.LocaleFromContext(r.Context())
query := r.URL.Query()
opts := store.TraceListOpts{
Limit: 50,
}
if v := query.Get("agent_id"); v != "" {
id, err := uuid.Parse(v)
if err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidID, "agent")})
return
}
opts.AgentID = &id
}
if v := query.Get("session_key"); v != "" {
opts.SessionKey = v
}
if opts.SessionKey == "" && opts.AgentID == nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgRequired, "session_key or agent_id")})
return
}
if v := query.Get("status"); v != "" {
opts.Status = v
}
if v := query.Get("channel"); v != "" {
opts.Channel = v
}
if v := query.Get("since"); v != "" {
since, err := time.Parse(time.RFC3339, v)
if err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidRequest, "since must be RFC3339")})
return
}
opts.ChangedAfter = &since
}
if v := query.Get("limit"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n > 0 {
if n > 200 {
n = 200
}
opts.Limit = n
}
}
includeSpans := false
if v := query.Get("include_spans"); v != "" {
parsed, err := strconv.ParseBool(v)
if err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidRequest, "include_spans must be boolean")})
return
}
includeSpans = parsed
}
auth := resolveAuth(r)
if !permissions.HasMinRole(auth.Role, permissions.RoleAdmin) {
opts.UserID = store.UserIDFromContext(r.Context())
} else if v := query.Get("user_id"); v != "" {
opts.UserID = v
}
serverTime := time.Now().UTC()
traces, err := h.tracing.ListTraces(r.Context(), opts)
if err != nil {
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
spansByTraceID := map[string][]store.SpanData{}
if includeSpans {
for _, trace := range traces {
spans, err := h.tracing.GetTraceSpans(r.Context(), trace.ID)
if err != nil {
slog.Error("traces.follow_get_spans_failed", "trace_id", trace.ID, "error", err)
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
spansByTraceID[trace.ID.String()] = spans
}
}
writeJSON(w, http.StatusOK, map[string]any{
"traces": traces,
"spans_by_trace_id": spansByTraceID,
"server_time": serverTime,
"next_since": serverTime,
"limit": opts.Limit,
})
}
func (h *TracesHandler) handleGet(w http.ResponseWriter, r *http.Request) {
locale := store.LocaleFromContext(r.Context())
traceIDStr := r.PathValue("traceID")
traceID, err := uuid.Parse(traceIDStr)
if err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidID, "trace")})
return
}
trace, err := h.tracing.GetTrace(r.Context(), traceID)
if err != nil {
slog.Warn("traces.get_trace_failed", "trace_id", traceIDStr, "error", err)
writeJSON(w, http.StatusNotFound, map[string]string{"error": i18n.T(locale, i18n.MsgNotFound, "trace", traceIDStr)})
return
}
// Non-admin callers may only access their own traces.
auth := resolveAuth(r)
if !permissions.HasMinRole(auth.Role, permissions.RoleAdmin) {
callerID := store.UserIDFromContext(r.Context())
if trace.UserID != callerID {
writeJSON(w, http.StatusNotFound, map[string]string{"error": i18n.T(locale, i18n.MsgNotFound, "trace", traceIDStr)})
return
}
}
spans, err := h.tracing.GetTraceSpans(r.Context(), traceID)
if err != nil {
slog.Error("traces.get_spans_failed", "trace_id", traceIDStr, "error", err)
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
writeJSON(w, http.StatusOK, map[string]any{
"trace": trace,
"spans": spans,
})
}
func (h *TracesHandler) handleCostSummary(w http.ResponseWriter, r *http.Request) {
opts := store.CostSummaryOpts{}
if v := r.URL.Query().Get("agent_id"); v != "" {
id, err := uuid.Parse(v)
if err == nil {
opts.AgentID = &id
}
}
if v := r.URL.Query().Get("from"); v != "" {
if t, err := time.Parse(time.RFC3339, v); err == nil {
opts.From = &t
}
}
if v := r.URL.Query().Get("to"); v != "" {
if t, err := time.Parse(time.RFC3339, v); err == nil {
opts.To = &t
}
}
rows, err := h.tracing.GetCostSummary(r.Context(), opts)
if err != nil {
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
writeJSON(w, http.StatusOK, map[string]any{"rows": rows})
}
func (h *TracesHandler) handleRunTimeline(w http.ResponseWriter, r *http.Request) {
locale := store.LocaleFromContext(r.Context())
if h.runTimeline == nil {
writeJSON(w, http.StatusServiceUnavailable, map[string]string{"error": i18n.T(locale, i18n.MsgRunTimelineUnavailable)})
return
}
runID := r.PathValue("runID")
if strings.TrimSpace(runID) == "" {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgRequired, "run_id")})
return
}
opts := store.RunTimelineListOpts{
RunID: runID,
SessionKey: r.URL.Query().Get("session_key"),
Limit: 200,
}
if v := r.URL.Query().Get("limit"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n > 0 {
if n > 500 {
n = 500
}
opts.Limit = n
}
}
if v := r.URL.Query().Get("offset"); v != "" {
if n, err := strconv.Atoi(v); err == nil && n >= 0 {
opts.Offset = n
}
}
items, err := h.runTimeline.ListRunTimelineItems(r.Context(), opts)
if err != nil {
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
auth := resolveAuth(r)
if !permissions.HasMinRole(auth.Role, permissions.RoleAdmin) {
callerID := store.UserIDFromContext(r.Context())
items = filterTimelineItemsByUser(items, callerID)
}
writeJSON(w, http.StatusOK, map[string]any{
"run_id": runID,
"session_key": opts.SessionKey,
"items": items,
"limit": opts.Limit,
"offset": opts.Offset,
})
}
func filterTimelineItemsByUser(items []store.RunTimelineItem, userID string) []store.RunTimelineItem {
if userID == "" {
return nil
}
filtered := items[:0]
for _, item := range items {
if item.UserID == userID {
filtered = append(filtered, item)
}
}
return filtered
}
// traceExportEntry is a trace with its spans and recursive sub-traces.
type traceExportEntry struct {
Trace store.TraceData `json:"trace"`
Spans []store.SpanData `json:"spans"`
SubTraces []traceExportEntry `json:"sub_traces,omitempty"`
}
func (h *TracesHandler) handleExport(w http.ResponseWriter, r *http.Request) {
locale := store.LocaleFromContext(r.Context())
traceID, err := uuid.Parse(r.PathValue("traceID"))
if err != nil {
writeJSON(w, http.StatusBadRequest, map[string]string{"error": i18n.T(locale, i18n.MsgInvalidID, "trace")})
return
}
// Verify ownership before export.
rootTrace, err := h.tracing.GetTrace(r.Context(), traceID)
if err != nil {
writeJSON(w, http.StatusNotFound, map[string]string{"error": i18n.T(locale, i18n.MsgNotFound, "trace", traceID.String())})
return
}
authExport := resolveAuth(r)
if !permissions.HasMinRole(authExport.Role, permissions.RoleAdmin) {
callerID := store.UserIDFromContext(r.Context())
if rootTrace.UserID != callerID {
writeJSON(w, http.StatusNotFound, map[string]string{"error": i18n.T(locale, i18n.MsgNotFound, "trace", traceID.String())})
return
}
}
entry, err := h.collectTraceTree(r.Context(), traceID, 0)
if err != nil {
writeJSON(w, http.StatusNotFound, map[string]string{"error": i18n.T(locale, i18n.MsgNotFound, "trace", traceID.String())})
return
}
payload := struct {
ExportedAt time.Time `json:"exported_at"`
traceExportEntry
}{
ExportedAt: time.Now().UTC(),
traceExportEntry: *entry,
}
data, err := json.Marshal(payload)
if err != nil {
writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()})
return
}
filename := fmt.Sprintf("trace-%s-%s.json.gz", traceID.String()[:8], time.Now().Format("20060102"))
w.Header().Set("Content-Type", "application/gzip")
w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, filename))
gz := gzip.NewWriter(w)
defer gz.Close()
gz.Write(data)
}
// collectTraceTree recursively collects a trace, its spans, and child traces.
func (h *TracesHandler) collectTraceTree(ctx context.Context, traceID uuid.UUID, depth int) (*traceExportEntry, error) {
const maxDepth = 10
trace, err := h.tracing.GetTrace(ctx, traceID)
if err != nil {
return nil, err
}
spans, _ := h.tracing.GetTraceSpans(ctx, traceID)
entry := &traceExportEntry{Trace: *trace, Spans: spans}
if depth >= maxDepth {
return entry, nil
}
children, _ := h.tracing.ListChildTraces(ctx, traceID)
for _, child := range children {
sub, err := h.collectTraceTree(ctx, child.ID, depth+1)
if err != nil {
continue
}
entry.SubTraces = append(entry.SubTraces, *sub)
}
return entry, nil
}