diff --git a/.claude/settings.local.json b/.claude/settings.local.json new file mode 100644 index 0000000..b8b67dd --- /dev/null +++ b/.claude/settings.local.json @@ -0,0 +1,12 @@ +{ + "permissions": { + "allow": [ + "Bash(gradle wrapper:*)", + "Bash(curl -sL \"https://raw.githubusercontent.com/gradle/gradle/v8.13.0/gradle/wrapper/gradle-wrapper.jar\" -o \"C:\\\\AIN-Festplatte\\\\Softwarearchitekturen\\\\Gatlin\\\\gradle\\\\wrapper\\\\gradle-wrapper.jar\")", + "WebFetch(domain:raw.githubusercontent.com)", + "WebFetch(domain:api.github.com)", + "WebFetch(domain:github.com)", + "Bash(xargs grep:*)" + ] + } +} diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/.name b/.idea/.name new file mode 100644 index 0000000..3a749e4 --- /dev/null +++ b/.idea/.name @@ -0,0 +1 @@ +gatlin \ No newline at end of file diff --git a/.idea/Gatlin.iml b/.idea/Gatlin.iml new file mode 100644 index 0000000..5a90513 --- /dev/null +++ b/.idea/Gatlin.iml @@ -0,0 +1,13 @@ + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml new file mode 100644 index 0000000..a55e7a1 --- /dev/null +++ b/.idea/codeStyles/codeStyleConfig.xml @@ -0,0 +1,5 @@ + + + + \ No newline at end of file diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000..e5114f9 --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..ce1c62c --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,16 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/libraries/Gradle__scala_sdk_2_13_16.xml b/.idea/libraries/Gradle__scala_sdk_2_13_16.xml new file mode 100644 index 0000000..ebde7f6 --- /dev/null +++ b/.idea/libraries/Gradle__scala_sdk_2_13_16.xml @@ -0,0 +1,19 @@ + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..e0fb94d --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/scala_compiler.xml b/.idea/scala_compiler.xml new file mode 100644 index 0000000..4990833 --- /dev/null +++ b/.idea/scala_compiler.xml @@ -0,0 +1,9 @@ + + + + + + + \ No newline at end of file diff --git a/.idea/scala_settings.xml b/.idea/scala_settings.xml new file mode 100644 index 0000000..4608fe0 --- /dev/null +++ b/.idea/scala_settings.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..7ddfc9e --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,12 @@ + + + + + + + + + + + + \ No newline at end of file diff --git a/README.md b/README.md index 944b659..2fcfa0f 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,76 @@ # Gatlin +Load and integration tests for the Kubernetes cluster, built with [Gatling](https://gatling.io/) (Scala DSL). + +## Prerequisites + +- A JVM (21+) — required to run the Gradle wrapper +- No local Gradle or Scala installation required — the wrapper downloads both automatically + +## Running simulations + +```bash +./gradlew gatlingRun \ + -PbaseUrl=http:// \ + -PauthToken= +``` + +On Windows: +```bat +gradlew.bat gatlingRun -PbaseUrl=http:// -PauthToken= +``` + +The bearer token can also be supplied via the environment variable `GATLING_AUTH_TOKEN` instead of `-PauthToken`. + +## Running a specific simulation + +```bash +./gradlew gatlingRun --simulation simulations.SmokeTestSimulation \ + -PbaseUrl=http:// \ + -PauthToken= +``` + +## Reports + +HTML reports are generated under `build/reports/gatling/` after each run. + +## Adding a new simulation + +1. Create a class in `src/gatling/scala/simulations/` that extends `BaseSimulation`. +2. Define your scenario and call `setUp(...).protocols(httpProtocol)` — the bearer token and base URL are inherited automatically. + +```scala +package simulations + +import base.BaseSimulation +import io.gatling.core.Predef._ +import io.gatling.http.Predef._ + +class MyServiceSimulation extends BaseSimulation { + + private val scn = scenario("My Service") + .exec( + http("GET /api/resource") + .get("/api/resource") + .check(status.is(200)) + ) + + setUp( + scn.inject(rampUsers(10).during(30)) + ).protocols(httpProtocol) +} +``` + +## Project structure + +``` +src/ + gatling/ + scala/ + base/ - BaseSimulation (shared protocol, auth) + simulations/ - one class per scenario group + resources/ + gatling.conf - Gatling configuration overrides + data/ - CSV feeders + bodies/ - request body templates +``` diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..2df553a --- /dev/null +++ b/build.gradle @@ -0,0 +1,32 @@ +plugins { + id 'scala' + id 'io.gatling.gradle' version '3.15.0.1' +} + +gatling { + enterprise { + // Enterprise Cloud configuration reference: https://docs.gatling.io/reference/integrations/build-tools/gradle-plugin/#running-your-simulations-on-gatling-enterprise-cloud + } +} + +tasks.withType(ScalaCompile) { + scalaCompileOptions.forkOptions.with { + jvmArgs = ['-Xss100m'] // Scala compiler may require a larger stack size when compiling Gatling simulations + } +} + +tasks.withType(io.gatling.gradle.GatlingRunTask) { + jvmArgs = [ + '--add-opens=java.base/java.lang=ALL-UNNAMED', + "-Dtarget.baseUrl=${findProperty('baseUrl') ?: 'http://localhost:8080'}", + "-Dgatling.authToken=${findProperty('authToken') ?: System.getenv('GATLING_AUTH_TOKEN') ?: ''}" + ] +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.scala-lang:scala-library:2.13.16' +} diff --git a/docs/2026-04-30-gatling-setup-plan.md b/docs/2026-04-30-gatling-setup-plan.md new file mode 100644 index 0000000..a0d2f84 --- /dev/null +++ b/docs/2026-04-30-gatling-setup-plan.md @@ -0,0 +1,145 @@ +# Implementation Plan: Gatling Setup for Kubernetes Cluster Testing + +**Date:** 2026-04-30 +**Branch:** `feat/NCS-57` +**Stack:** Scala 3.5.1, Gradle, Gatling 3.x (Scala DSL) + +--- + +## Decisions + +| Concern | Decision | +|---|---| +| Build tool | Gradle | +| Language | Scala 3.5.1 | +| Gatling API | Scala DSL (Gatling 3.x) | +| Authentication | Bearer token via env var `GATLING_AUTH_TOKEN` | +| Target base URL | Injected at runtime via Gradle project property `-PbaseUrl=...` | + +--- + +## Steps + +### Step 1 — `build.gradle` + `settings.gradle` + +Create `settings.gradle`: +- Set root project name to `gatlin` + +Create `build.gradle`: +- Apply `io.gatling.gradle` plugin (3.x) +- Set `scalaVersion = '3.5.1'` +- Configure `gatlingRun` task to pass `baseUrl` and `authToken` as JVM system properties so simulations can read them via `sys.props` + +Run command: +```bash +./gradlew gatlingRun -PbaseUrl=http:// -PauthToken= +``` + +--- + +### Step 2 — Gradle wrapper + +Generate `gradlew` / `gradlew.bat` and `gradle/wrapper/gradle-wrapper.properties` (Gradle 8.x). +This ensures reproducible builds without a local Gradle installation. + +--- + +### Step 3 — Source layout + +Create the standard Gatling + Gradle directory structure: + +``` +src/ + gatling/ + scala/ + simulations/ ← concrete simulation classes + base/ ← BaseSimulation.scala (shared protocol + auth) + resources/ + gatling.conf ← timeout / connection overrides + data/ ← CSV feeders (added per test as needed) + bodies/ ← request body templates (added per test as needed) +``` + +Update `.idea/Gatlin.iml` source roots to include `src/gatling/scala`. + +--- + +### Step 4 — `BaseSimulation.scala` + +`src/gatling/scala/base/BaseSimulation.scala`: + +- Reads `target.baseUrl` from `sys.props` (set by Gradle from `-PbaseUrl`) +- Reads `gatling.authToken` from `sys.props` (set by Gradle from `-PauthToken` or env `GATLING_AUTH_TOKEN`) +- Defines a shared `HttpProtocolBuilder`: + - base URL + - `Authorization: Bearer ` header on every request + - `Accept: application/json` + - connection keep-alive +- Abstract class — concrete simulations extend it and inherit the protocol + +--- + +### Step 5 — `SmokeTestSimulation.scala` + +`src/gatling/scala/simulations/SmokeTestSimulation.scala`: + +- Extends `BaseSimulation` +- Single virtual user, one `GET /healthz` request +- Asserts: HTTP 200, response time < 2 000 ms +- Purpose: verify end-to-end connectivity and auth before writing heavier tests + +This serves as the reference example for future simulations. + +--- + +### Step 6 — `gatling.conf` + +`src/gatling/resources/gatling.conf`: + +``` +gatling { + http { + enableGA = false + } +} +``` + +Keeps telemetry off. Other defaults (timeouts, max connections) are left to Gatling's built-in values and can be overridden per-simulation in code. + +--- + +### Step 7 — `.gitignore` updates + +Add to `.gitignore`: +``` +build/ +.gradle/ +results/ +``` + +--- + +### Step 8 — `README.md` update + +Document: +1. Prerequisites (Gradle wrapper handles everything — no local installs needed beyond a JVM) +2. How to run: `./gradlew gatlingRun -PbaseUrl=... -PauthToken=...` +3. How to add a new simulation (extend `BaseSimulation`, place in `simulations/`) +4. Where reports are generated (`build/reports/gatling/`) + +--- + +## File Checklist + +| File | Action | +|---|---| +| `settings.gradle` | Create | +| `build.gradle` | Create | +| `gradle/wrapper/gradle-wrapper.properties` | Generate | +| `gradlew` / `gradlew.bat` | Generate | +| `src/gatling/scala/base/BaseSimulation.scala` | Create | +| `src/gatling/scala/simulations/SmokeTestSimulation.scala` | Create | +| `src/gatling/resources/gatling.conf` | Create | +| `.gitignore` | Update | +| `README.md` | Update | +| `.idea/Gatlin.iml` | Update source roots | diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..5ad6974 --- /dev/null +++ b/gradle.properties @@ -0,0 +1 @@ +org.gradle.configuration-cache=true diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..9bbc975 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..c61a118 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..0e6c009 --- /dev/null +++ b/gradlew @@ -0,0 +1,213 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by "Gradle". +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other POSIX-compliant shell such as ksh or +# bash, then to run this script, type that shell name before the normally +# positional parameters. For example: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for users: +# +# (2) This script is auto-generated by the Gradle build system. +# It is not intended to be modified by users. Run ./gradlew --version to +# verify the Gradle version of the wrapper. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( absolute + *) app_path=$APP_HOME$link ;; #( relative + esac +done + +# This is reliable for symlinks on Linux and macOS. +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + ;; + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # temporary variables. (e.g., single temporary variable) to print + # something that can later be joined together to form a single variable. + set -- "$@" "$arg" + shift + done +fi + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# temporary variable character. +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^a-zA-Z0-9/=@_-]~\\&~g; ' | + tr '\n' ' ' + ) $@" + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..25da30d --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..a753867 --- /dev/null +++ b/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'gatlin' diff --git a/src/gatling/resources/gatling.conf b/src/gatling/resources/gatling.conf new file mode 100644 index 0000000..5328856 --- /dev/null +++ b/src/gatling/resources/gatling.conf @@ -0,0 +1,6 @@ +gatling { + http { + # Disable Google Analytics telemetry + enableGA = false + } +} diff --git a/src/gatling/resources/logback-test.xml b/src/gatling/resources/logback-test.xml new file mode 100644 index 0000000..df6084e --- /dev/null +++ b/src/gatling/resources/logback-test.xml @@ -0,0 +1,19 @@ + + + + + + %d{HH:mm:ss.SSS} [%-5level] %logger{15} - %msg%n%rEx + + false + + + + + + + + + + + diff --git a/src/gatling/scala/base/BaseSimulation.scala b/src/gatling/scala/base/BaseSimulation.scala new file mode 100644 index 0000000..1011f40 --- /dev/null +++ b/src/gatling/scala/base/BaseSimulation.scala @@ -0,0 +1,26 @@ +package base + +import io.gatling.core.Predef._ +import io.gatling.http.Predef._ +import io.gatling.http.protocol.HttpProtocolBuilder + +/** + * Base class for all simulations. + * + * Reads runtime configuration from JVM system properties set by Gradle: + * -Dtarget.baseUrl=... (via -PbaseUrl=... on the Gradle command line) + * -Dgatling.authToken=... (via -PauthToken=... or env GATLING_AUTH_TOKEN) + */ +abstract class BaseSimulation extends Simulation { + + protected val baseUrl: String = + sys.props.getOrElse("target.baseUrl", "http://localhost:8080") + + private val authToken: String = + sys.props.getOrElse("gatling.authToken", "") + + protected val httpProtocol: HttpProtocolBuilder = http + .baseUrl(baseUrl) + .header("Authorization", s"Bearer $authToken") + .header("Accept", "application/json") +} diff --git a/src/gatling/scala/simulations/SmokeTestSimulation.scala b/src/gatling/scala/simulations/SmokeTestSimulation.scala new file mode 100644 index 0000000..e37ad42 --- /dev/null +++ b/src/gatling/scala/simulations/SmokeTestSimulation.scala @@ -0,0 +1,35 @@ +package simulations + +import base.BaseSimulation +import io.gatling.core.Predef._ +import io.gatling.http.Predef._ + +/** + * Smoke test: verifies the cluster is reachable and the bearer token is accepted. + * + * Runs a single virtual user that hits GET /healthz and asserts: + * - HTTP 200 + * - Response time under 2 000 ms + * + * Use this as a reference when writing new simulations. + * + * Run: + * ./gradlew gatlingRun -PbaseUrl=http:// -PauthToken= + */ +class SmokeTestSimulation extends BaseSimulation { + + private val healthzPath: String = + sys.props.getOrElse("healthz.path", "/healthz") + + private val scn = scenario("Smoke Test") + .exec( + http(s"GET $healthzPath") + .get(healthzPath) + .check(status.is(200)) + .check(responseTimeInMillis.lte(2000)) + ) + + setUp( + scn.inject(atOnceUsers(1)) + ).protocols(httpProtocol) +}