test: 8 стресс-функций (py/go/js), crash-тесты, stress_test.sh — 32 строки в PG

examples/POSTGRES/code/stress-bigloop/stress_bigloop.py

@@ -0,0 +1,20 @@
+# 2026-03-19
+# stress_bigloop.py — CPU-интенсивная функция: считает сумму квадратов N чисел.
+# Проверяет поведение под нагрузкой (большая и средняя итерация).
+
+import time
+
+_VERSION = "v1"
+
+
+def run(event):
+    n = int(event.get("n", 500_000))
+    start = time.monotonic()
+    total = sum(i * i for i in range(n))
+    elapsed = round(time.monotonic() - start, 4)
+    return {
+        "version": _VERSION,
+        "n": n,
+        "sum_of_squares": total,
+        "elapsed_sec": elapsed,
+    }

examples/POSTGRES/code/stress-divzero/stress_divzero.py

@@ -0,0 +1,13 @@
+# 2026-03-19
+# stress_divzero.py — намеренно делит на ноль (ZeroDivisionError).
+# Проверяет: платформа перехватывает панику, возвращает HTTP 500, не роняет под.
+
+_VERSION = "v1"
+
+
+def run(event):
+    numerator = int(event.get("n", 42))
+    denominator = int(event.get("d", 0))  # по умолчанию 0 — намеренный краш
+    # ZeroDivisionError: проверяем что платформа обрабатывает исключения
+    result = numerator / denominator
+    return {"version": _VERSION, "result": result}

examples/POSTGRES/code/stress-go-fast/handler.go

@@ -0,0 +1,47 @@
+// 2026-03-19
+// handler.go — быстрая Go функция: факториал + числа Фибоначчи.
+// Проверяет Go runtime под лёгкой нагрузкой и корректность JSON-ответа.
+//
+// Entrypoint: handler.Handle
+
+package handler
+
+import "fmt"
+
+// factorial — рекурсивный факториал (для небольших n <= 20).
+func factorial(n int) uint64 {
+if n <= 1 {
+return 1
+}
+return uint64(n) * factorial(n-1)
+}
+
+// fib — итеративное число Фибоначчи.
+func fib(n int) int {
+if n <= 1 {
+return n
+}
+a, b := 0, 1
+for i := 2; i <= n; i++ {
+a, b = b, a+b
+}
+return b
+}
+
+// Handle — точка входа рантайма.
+func Handle(event map[string]interface{}) interface{} {
+n := 10
+if v, ok := event["n"].(float64); ok {
+n = int(v)
+if n > 20 {
+n = 20
+}
+}
+return map[string]interface{}{
+"runtime":   "go1.23",
+"version":   "v1",
+"n":         n,
+"factorial": fmt.Sprintf("%d", factorial(n)),
+"fib":       fib(n),
+}
+}

examples/POSTGRES/code/stress-go-nil/handler.go

@@ -0,0 +1,21 @@
+// 2026-03-19
+// handler.go — намеренный nil pointer dereference в Go.
+// Проверяет что Go runtime recover() перехватывает панику и платформа возвращает 500.
+// Entrypoint: handler.Handle
+package handler
+
+func Handle(event map[string]interface{}) interface{} {
+	crash := true
+	if v, ok := event["crash"].(bool); ok {
+		crash = v
+	}
+	if crash {
+		var p *string
+		_ = *p // panic: намеренный nil pointer для stress-теста
+	}
+	return map[string]interface{}{
+		"runtime": "go1.23",
+		"version": "v1",
+		"crashed": false,
+	}
+}

examples/POSTGRES/code/stress-js-async/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "stress-js-async",
+  "version": "1.0.0",
+  "dependencies": {
+    "pg": "^8.11.0"
+  }
+}

examples/POSTGRES/code/stress-js-async/stress_js_async.js

@@ -0,0 +1,37 @@
+// 2026-03-19
+// stress_js_async.js — делает 3 параллельных запроса к PG через Promise.all.
+// Проверяет nodejs20 runtime под умеренной нагрузкой и async/await.
+//
+// Entrypoint: stress_js_async.run
+
+'use strict';
+
+const { Client } = require('pg');
+
+exports.run = async (event) => {
+    const client = new Client({
+        host: process.env.PGHOST,
+        port: parseInt(process.env.PGPORT || '5432'),
+        database: process.env.PGDATABASE,
+        user: process.env.PGUSER,
+        password: process.env.PGPASSWORD,
+        ssl: process.env.PGSSLMODE === 'require' ? { rejectUnauthorized: false } : false,
+    });
+    await client.connect();
+    try {
+        const [ver, cnt, max] = await Promise.all([
+            client.query('SELECT version() AS v'),
+            client.query('SELECT COUNT(*) AS cnt FROM terraform_demo_table'),
+            client.query('SELECT MAX(id) AS max_id FROM terraform_demo_table'),
+        ]);
+        return {
+            runtime: 'nodejs20',
+            version: 'v1',
+            pg_version: ver.rows[0].v.split(' ').slice(0, 2).join(' '),
+            total_rows: parseInt(cnt.rows[0].cnt, 10),
+            max_id: max.rows[0].max_id,
+        };
+    } finally {
+        await client.end();
+    }
+};

examples/POSTGRES/code/stress-js-badenv/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "stress-js-badenv",
+  "version": "1.0.0",
+  "dependencies": {}
+}

examples/POSTGRES/code/stress-js-badenv/stress_js_badenv.js

@@ -0,0 +1,17 @@
+// 2026-03-19
+// stress_js_badenv.js — читает несуществующую переменную env и падает.
+// Проверяет: платформа перехватывает TypeError/undefined, возвращает 500.
+//
+// Entrypoint: stress_js_badenv.run
+
+'use strict';
+
+exports.run = async (event) => {
+    const crash = event.crash !== false; // по умолчанию crash=true
+    if (crash) {
+        // Читаем несуществующий env, пытаемся вызвать .toUpperCase() на undefined
+        const val = process.env.THIS_VAR_DOES_NOT_EXIST_AT_ALL;
+        return { shout: val.toUpperCase() }; // TypeError: Cannot read properties of undefined
+    }
+    return { runtime: 'nodejs20', version: 'v1', crashed: false };
+};

examples/POSTGRES/code/stress-slow/stress_slow.py

@@ -0,0 +1,18 @@
+# 2026-03-19
+# stress_slow.py — долгая функция: спит N секунд (по умолчанию 8).
+# Проверяет что timeout-механизм и параллельные запросы не блокируют друг друга.
+
+import time
+import os
+
+_VERSION = "v1"
+
+
+def run(event):
+    secs = int(event.get("sleep", 8))
+    time.sleep(secs)
+    return {
+        "version": _VERSION,
+        "slept_sec": secs,
+        "pid": os.getpid(),
+    }

examples/POSTGRES/code/stress-writer/requirements.txt

@@ -0,0 +1 @@
+psycopg2-binary==2.9.9

examples/POSTGRES/code/stress-writer/stress_writer.py

@@ -0,0 +1,39 @@
+# 2026-03-19
+# stress_writer.py — пишет N строк в terraform_demo_table (по умолчанию 5).
+# Проверяет параллельные INSERT'ы и устойчивость соединения с PG при нагрузке.
+
+import os
+import psycopg2
+import time
+
+_VERSION = "v1"
+
+
+def run(event):
+    n = int(event.get("rows", 5))
+    prefix = event.get("prefix", "stress")
+
+    conn = psycopg2.connect(
+        host=os.environ["PGHOST"],
+        port=int(os.environ.get("PGPORT", "5432")),
+        dbname=os.environ["PGDATABASE"],
+        user=os.environ["PGUSER"],
+        password=os.environ["PGPASSWORD"],
+        sslmode=os.environ.get("PGSSLMODE", "require"),
+    )
+    inserted = []
+    try:
+        with conn.cursor() as cur:
+            for i in range(n):
+                title = f"{prefix}-{int(time.time()*1000)}-{i}"
+                cur.execute(
+                    "INSERT INTO terraform_demo_table (title) VALUES (%s) RETURNING id",
+                    (title,),
+                )
+                row = cur.fetchone()
+                inserted.append({"id": row[0], "title": title})
+        conn.commit()
+    finally:
+        conn.close()
+
+    return {"version": _VERSION, "inserted": inserted, "count": len(inserted)}

examples/POSTGRES/resources.tf

@@ -194,3 +194,184 @@ output "table_writer_url" {
   value = sless_trigger.postgres_table_writer_http.url
 }
 
+# =============================================================================
+# STRESS-ТЕСТЫ: 8 функций для проверки устойчивости платформы.
+# Python: slow, divzero, bigloop, writer
+# Go:     fast, nil-panic
+# NodeJS: async-parallel, badenv
+# =============================================================================
+
+# --- [1] Python: долгая (sleep N сек) ---
+resource "sless_function" "stress_slow" {
+  name        = "stress-slow"
+  runtime     = "python3.11"
+  entrypoint  = "stress_slow.run"
+  memory_mb   = 128
+  timeout_sec = 30
+
+  env_vars = {}
+
+  source_dir = "${path.module}/code/stress-slow"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_slow_http" {
+  name     = "stress-slow-http"
+  type     = "http"
+  function = sless_function.stress_slow.name
+  enabled  = true
+}
+
+# --- [2] Python: деление на ноль ---
+resource "sless_function" "stress_divzero" {
+  name        = "stress-divzero"
+  runtime     = "python3.11"
+  entrypoint  = "stress_divzero.run"
+  memory_mb   = 128
+  timeout_sec = 10
+
+  env_vars = {}
+
+  source_dir = "${path.module}/code/stress-divzero"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_divzero_http" {
+  name     = "stress-divzero-http"
+  type     = "http"
+  function = sless_function.stress_divzero.name
+  enabled  = true
+}
+
+# --- [3] Python: CPU bigloop ---
+resource "sless_function" "stress_bigloop" {
+  name        = "stress-bigloop"
+  runtime     = "python3.11"
+  entrypoint  = "stress_bigloop.run"
+  memory_mb   = 256
+  timeout_sec = 30
+
+  env_vars = {}
+
+  source_dir = "${path.module}/code/stress-bigloop"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_bigloop_http" {
+  name     = "stress-bigloop-http"
+  type     = "http"
+  function = sless_function.stress_bigloop.name
+  enabled  = true
+}
+
+# --- [4] Python: массовая запись в PG ---
+resource "sless_function" "stress_writer" {
+  name        = "stress-writer"
+  runtime     = "python3.11"
+  entrypoint  = "stress_writer.run"
+  memory_mb   = 128
+  timeout_sec = 30
+
+  env_vars = {
+    PGHOST     = local.pg_host
+    PGPORT     = "5432"
+    PGDATABASE = local.pg_database
+    PGUSER     = local.pg_username
+    PGPASSWORD = local.pg_password
+    PGSSLMODE  = "require"
+  }
+
+  source_dir = "${path.module}/code/stress-writer"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_writer_http" {
+  name     = "stress-writer-http"
+  type     = "http"
+  function = sless_function.stress_writer.name
+  enabled  = true
+}
+
+# --- [5] Go: быстрая математика (факториал + Фибоначчи) ---
+resource "sless_function" "stress_go_fast" {
+  name        = "stress-go-fast"
+  runtime     = "go1.23"
+  entrypoint  = "handler.Handle"
+  memory_mb   = 64
+  timeout_sec = 10
+
+  env_vars = {}
+
+  source_dir = "${path.module}/code/stress-go-fast"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_go_fast_http" {
+  name     = "stress-go-fast-http"
+  type     = "http"
+  function = sless_function.stress_go_fast.name
+  enabled  = true
+}
+
+# --- [6] Go: nil pointer panic ---
+resource "sless_function" "stress_go_nil" {
+  name        = "stress-go-nil"
+  runtime     = "go1.23"
+  entrypoint  = "handler.Handle"
+  memory_mb   = 64
+  timeout_sec = 10
+
+  env_vars = {}
+
+  source_dir = "${path.module}/code/stress-go-nil"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_go_nil_http" {
+  name     = "stress-go-nil-http"
+  type     = "http"
+  function = sless_function.stress_go_nil.name
+  enabled  = true
+}
+
+# --- [7] NodeJS: 3 параллельных запроса к PG через Promise.all ---
+resource "sless_function" "stress_js_async" {
+  name        = "stress-js-async"
+  runtime     = "nodejs20"
+  entrypoint  = "stress_js_async.run"
+  memory_mb   = 128
+  timeout_sec = 15
+
+  env_vars = {
+    PGHOST     = local.pg_host
+    PGPORT     = "5432"
+    PGDATABASE = local.pg_database
+    PGUSER     = local.pg_username
+    PGPASSWORD = local.pg_password
+    PGSSLMODE  = "require"
+  }
+
+  source_dir = "${path.module}/code/stress-js-async"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_js_async_http" {
+  name     = "stress-js-async-http"
+  type     = "http"
+  function = sless_function.stress_js_async.name
+  enabled  = true
+}
+
+# --- [8] NodeJS: TypeError на несуществующей env-переменной ---
+resource "sless_function" "stress_js_badenv" {
+  name        = "stress-js-badenv"
+  runtime     = "nodejs20"
+  entrypoint  = "stress_js_badenv.run"
+  memory_mb   = 128
+  timeout_sec = 10
+
+  env_vars = {}
+
+  source_dir = "${path.module}/code/stress-js-badenv"
+  depends_on = [sless_job.postgres_table_init_job]
+}
+resource "sless_trigger" "stress_js_badenv_http" {
+  name     = "stress-js-badenv-http"
+  type     = "http"
+  function = sless_function.stress_js_badenv.name
+  enabled  = true
+}
+

examples/POSTGRES/stress_test.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+# 2026-03-19 — stress test script: параллельный запуск всех 8 стресс-функций
+BASE="https://sless.kube5s.ru/fn/sless-ffd1f598c169b0ae"
+
+echo "=== РАУНД 1: первый холодный запуск ==="
+curl -s -m 35 "$BASE/stress-slow"    -d '{"sleep":3}' -H "Content-Type:application/json" > /tmp/r_slow.json &
+curl -s -m 10 "$BASE/stress-divzero"                                                       > /tmp/r_divzero.json &
+curl -s -m 40 "$BASE/stress-bigloop" -d '{"n":1000000}' -H "Content-Type:application/json"> /tmp/r_bigloop.json &
+curl -s -m 35 "$BASE/stress-writer"  -d '{"rows":3,"prefix":"batch1"}' -H "Content-Type:application/json" > /tmp/r_writer.json &
+curl -s -m 15 "$BASE/stress-go-fast" -d '{"n":15}' -H "Content-Type:application/json"     > /tmp/r_go_fast.json &
+curl -s -m 10 "$BASE/stress-go-nil"                                                        > /tmp/r_go_nil.json &
+curl -s -m 20 "$BASE/stress-js-async"                                                      > /tmp/r_js_async.json &
+curl -s -m 10 "$BASE/stress-js-badenv"                                                     > /tmp/r_js_badenv.json &
+wait
+
+echo "[slow]:     $(cat /tmp/r_slow.json)"
+echo "[divzero]:  $(cat /tmp/r_divzero.json)"
+echo "[bigloop]:  $(cat /tmp/r_bigloop.json)"
+echo "[writer]:   $(cat /tmp/r_writer.json)"
+echo "[go-fast]:  $(cat /tmp/r_go_fast.json)"
+echo "[go-nil]:   $(cat /tmp/r_go_nil.json)"
+echo "[js-async]: $(cat /tmp/r_js_async.json)"
+echo "[js-badenv]:$(cat /tmp/r_js_badenv.json)"
+
+echo ""
+echo "=== РАУНД 2: повторный (горячий кэш) ==="
+curl -s -m 15 "$BASE/stress-bigloop" -d '{"n":2000000}' -H "Content-Type:application/json" > /tmp/r2_bigloop.json &
+curl -s -m 10 "$BASE/stress-go-fast" -d '{"n":20}' -H "Content-Type:application/json"      > /tmp/r2_go_fast.json &
+curl -s -m 20 "$BASE/stress-js-async"                                                        > /tmp/r2_async.json &
+curl -s -m 35 "$BASE/stress-writer"  -d '{"rows":10,"prefix":"batch2"}' -H "Content-Type:application/json" > /tmp/r2_writer.json &
+wait
+echo "[bigloop-2M]: $(cat /tmp/r2_bigloop.json)"
+echo "[go-fast-20]: $(cat /tmp/r2_go_fast.json)"
+echo "[js-async-2]: $(cat /tmp/r2_async.json)"
+echo "[writer-10]:  $(cat /tmp/r2_writer.json)"
+
+echo ""
+echo "=== РАУНД 3: crash функции с неверными параметрами ==="
+curl -s -m 10 "$BASE/stress-divzero" -d '{"n":100,"d":0}'  -H "Content-Type:application/json" > /tmp/r3_dz.json &
+curl -s -m 10 "$BASE/stress-go-nil"  -d '{"crash":true}'   -H "Content-Type:application/json" > /tmp/r3_nil.json &
+curl -s -m 10 "$BASE/stress-js-badenv" -d '{"crash":true}' -H "Content-Type:application/json" > /tmp/r3_bad.json &
+# divzero с нормальным делителем — должен вернуть результат
+curl -s -m 10 "$BASE/stress-divzero" -d '{"n":42,"d":7}'   -H "Content-Type:application/json" > /tmp/r3_ok.json &
+# go-nil без краша — должен вернуть ok
+curl -s -m 10 "$BASE/stress-go-nil"  -d '{"crash":false}'  -H "Content-Type:application/json" > /tmp/r3_nil_ok.json &
+wait
+echo "[divzero crash]:   $(cat /tmp/r3_dz.json)"
+echo "[go-nil crash]:    $(cat /tmp/r3_nil.json)"
+echo "[js-badenv crash]: $(cat /tmp/r3_bad.json)"
+echo "[divzero ok 42/7]: $(cat /tmp/r3_ok.json)"
+echo "[go-nil ok]:       $(cat /tmp/r3_nil_ok.json)"
+
+echo ""
+echo "=== ИТОГ: количество строк в таблице ==="
+curl -s -m 15 "$BASE/pg-table-reader"
+echo ""
+echo "=== DONE ==="