fix(runtime): Go panic→500 (recover), Python exception→500+threading+backlog
- go1.23 v0.1.2: defer recover() в HTTP handler — panic no longer closes connection → HTTP 500 - python3.11 v0.1.5: try/except в do_GET/_handle_with_body/do_HEAD → 500 вместо EOF - python3.11 v0.1.5: ThreadingHTTPServer — concurrent requests (был single-thread) - python3.11 v0.1.6: _HighBacklogHTTPServer(request_queue_size=128) — listen(128) вместо listen(5) - context.go: go1.23 v0.1.1→v0.1.2, python3.11 v0.1.4→v0.1.6 - operator: v0.1.45 → v0.1.47 (два деплоя подряд с новыми runtime-версиями) - examples/POSTGRES: stress.tf (10 сервисов), full_test.sh (48 тестов, 4 фазы) - examples/POSTGRES: README.md, очистка от старых файлов (luceUNDnode.tf, funcs_list.py) Результат: full_test.sh 48/48 PASS - Фаза 3 PG-стресс: 40/40 parallel writer OK, 30/30 js-async OK, pgstorm 14k ops 0 err - Фаза 4 краш-шторм: 75/75 × HTTP 500 (паники не роняют платформу)
This commit is contained in:
Naeel
+72
-61
@@ -1,4 +1,5 @@
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// Создано: 2026-03-11
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// Изменено: 2026-03-21 (v0.1.2) — panic recovery: при panic в Handle() возвращаем HTTP 500 вместо EOF.
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// HTTP-обёртка для serverless функций на Go 1.23.
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// Компилируется kaniko ВМЕСТЕ с пользовательским кодом (package handler).
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//
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@@ -16,71 +17,81 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"sless/fn/handler"
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"sless/fn/handler"
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)
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func main() {
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mode := os.Getenv("SLESS_MODE")
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mode := os.Getenv("SLESS_MODE")
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// job-runner: разово вызвать Handle(event), вывести результат в JSON и выйти.
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if mode == "job" {
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eventJSON := os.Getenv("SLESS_EVENT")
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if eventJSON == "" {
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eventJSON = "{}"
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}
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var event map[string]interface{}
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if err := json.Unmarshal([]byte(eventJSON), &event); err != nil {
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event = map[string]interface{}{}
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}
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result := handler.Handle(event)
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out, _ := json.Marshal(result)
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fmt.Println(string(out))
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return
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}
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// job-runner: разово вызвать Handle(event), вывести результат в JSON и выйти.
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if mode == "job" {
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eventJSON := os.Getenv("SLESS_EVENT")
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if eventJSON == "" {
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eventJSON = "{}"
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}
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var event map[string]interface{}
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if err := json.Unmarshal([]byte(eventJSON), &event); err != nil {
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event = map[string]interface{}{}
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}
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result := handler.Handle(event)
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out, _ := json.Marshal(result)
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fmt.Println(string(out))
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return
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}
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// HTTP-сервер
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port := "8080"
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http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprint(w, `{"status":"ok"}`)
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})
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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event := map[string]interface{}{}
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if r.Method == http.MethodPost || r.Method == http.MethodPut {
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body, err := io.ReadAll(r.Body)
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if err == nil && len(body) > 0 {
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_ = json.Unmarshal(body, &event)
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}
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}
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event["_path"] = r.URL.Path
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event["_method"] = r.Method
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if q := r.URL.Query(); len(q) > 0 {
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qmap := map[string]interface{}{}
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for k, v := range q {
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if len(v) == 1 {
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qmap[k] = v[0]
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} else {
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qmap[k] = v
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}
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}
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event["_query"] = qmap
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}
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result := handler.Handle(event)
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out, err := json.Marshal(result)
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if err != nil {
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http.Error(w, `{"error":"marshal failed"}`, 500)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(out)
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})
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log.Printf("sless runtime (go1.23) listening on :%s", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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// HTTP-сервер
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port := "8080"
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http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprint(w, `{"status":"ok"}`)
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})
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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// Перехватываем panic в пользовательском коде — возвращаем 500 вместо EOF.
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// Без recover() Go закрывает соединение при панике → ingress видит EOF → 502.
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defer func() {
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if rec := recover(); rec != nil {
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log.Printf("panic recovered: %v", rec)
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusInternalServerError)
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fmt.Fprintf(w, `{"error":"panic: %v"}`, rec)
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}
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}()
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event := map[string]interface{}{}
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if r.Method == http.MethodPost || r.Method == http.MethodPut {
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body, err := io.ReadAll(r.Body)
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if err == nil && len(body) > 0 {
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_ = json.Unmarshal(body, &event)
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}
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}
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event["_path"] = r.URL.Path
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event["_method"] = r.Method
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if q := r.URL.Query(); len(q) > 0 {
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qmap := map[string]interface{}{}
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for k, v := range q {
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if len(v) == 1 {
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qmap[k] = v[0]
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} else {
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qmap[k] = v
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}
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}
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event["_query"] = qmap
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}
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result := handler.Handle(event)
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out, err := json.Marshal(result)
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if err != nil {
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http.Error(w, `{"error":"marshal failed"}`, 500)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(out)
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})
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log.Printf("sless runtime (go1.23) listening on :%s", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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