service_reservation

this project was build for performance testing courses. don't judge strictly

infrastructure

java-17
maven
docker
jmeter-5.4.1

services

docker-compose.yml
grafana
prometheus
influxdb
jmeter

install infrastructure

The working directory throughout the entire master class will be located in the root directory of your user account if you are using a Unix-like system, or on drive C if you are using Windows. This is where we will place the cloned project.

mkdir ~/projects/ &&
cd ~/projects/ &&
git clone https://github.com/timofeevmd/service_reservation.git

java
1. macOs
```
brew install openjdk@11
```
  - Expected result
```
java --version
```
  Output
```
openjdk 11.0.26 2025-01-21
OpenJDK Runtime Environment Homebrew (build 11.0.26+0)
OpenJDK 64-Bit Server VM Homebrew (build 11.0.26+0, mixed mode)
```
troubleshooting
- if you had different java version, check the link for switch between your jdk's
1. linux
  - manual
  - if manual is not work
  - wget https://builds.openlogic.com/downloadJDK/openlogic-openjdk/11.0.26+4/openlogic-openjdk-11.0.26+4-linux-64.tar.gz
  - if wget is not work try to download openjdk-11-...
```
  sudo mkdir -p /opt/java &&
  cd /opt/java &&
  sudo tar -xvzf ~/openlogic-openjdk-11.0.26+4-linux-x64.tar.gz &&
  sudo mv openlogic-openjdk-11.0.26+4-linux-x64 java-11 &&
  sudo vim /etc/profile.d/java.sh
```
  - set of them
```
  export JAVA_HOME=/opt/java/java-11
  export PATH=$JAVA_HOME/bin:$PATH
```
  - source /etc/profile.d/java.sh
  - Expected result
```
java --version
```
  Output
```
openjdk 11.0.26 2025-01-21
OpenJDK Runtime Environment Homebrew (build 11.0.26+0)
OpenJDK 64-Bit Server VM Homebrew (build 11.0.26+0, mixed mode)
```
  troubleshooting
  - if you had different java version, check the link for switch between your jdk's
2. windows
  - download .zip or .msi to use installation wizard
  - Follow the installation wizard, choosing 'Set JAVA_HOME variable'
  - Note the installation path (usually C:\Program Files\OpenLogic\jdk-11.0.26.4-hotspot\ or C:\Program Files\Java\jdk-11).
  - Open Control Panel → System → Advanced system settings.
  - Go to the Advanced tab and click Environment Variables.
  - Under System Variables
  - Find the JAVA_HOME variable (if it does not exist, click New)
  - Set JAVA_HOME=C:\Program Files\OpenLogic\jdk-11.0.26.4-hotspot\
  - Find Path → click Edit → New
  - Set %JAVA_HOME%\bin
  - Expected result
```
java --version
```
  Output
```
openjdk 11.0.26 2025-01-21
OpenJDK Runtime Environment OpenLogic-OpenJDK (build 11.0.26+4-adhoc..jdk11u)
OpenJDK 64-Bit Server VM OpenLogic-OpenJDK (build 11.0.26+4-adhoc..jdk11u, mixed mode)
```
  troubleshooting
  - if you had different java version, check the link for switch between your jdk's

maven

manual for macOs/linux/windows

Expected result

mvn --version

Output

Apache Maven 3.9.9 (8e8579a9e76f7d015ee5ec7bfcdc97d260186937)
Maven home: /opt/homebrew/Cellar/maven/3.9.9/libexec
Java version: 11.0.19, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk-11.jdk/Contents/Home
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "15.3.2", arch: "aarch64", family: "mac"

docker
1. manual for macOs/linux/windows
- Expected result
```
docker --version &&
docker-compose --version
```
  Output like this
```
Docker version 24.0.6, build ed223bc
Docker Compose version v2.23.0-desktop.1
```
troubleshooting
- Error permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get "http://%2Fvar%2Frun%2Fdocker.sock/v1.48/containers/json?all=1": dial unix /var/run/docker.sock: connect: permission denied
```
sudo groupadd docker &&
sudo usermod -aG docker $USER &&
newgrp docker &&
reboot
```

jmeter

macOs

mkdir ~/tools/ &&
cd ~/tools/ &&
curl -OL https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.4.1.zip      
unzip apache-jmeter-5.4.1.zip &&
cd ./apache-jmeter-5.4.1/bin/ &&
./jmeter

linux

mkdir ~/tools/ &&
cd ~/tools/ &&
wget https://archive.apache.org/dist/jmeter/binaries/apache-jmeter-5.4.1.tgz &&
tar -xvzf apache-jmeter-5.4.1.tgz &&
cd ./apache-jmeter-5.4.1/bin/ &&
./jmeter

windows
- downloads .zip
- unzip .zpi arch
- run jmeter.bat

services

WARNING

open .env file on the root of project
1. If your laptop has an Intel or Ryzen CPU, change PLATFORM parm to linux/amd64
2. If your laptop has M1 or newer chip, change PLATFORM parm to linux/arm64

docker-compose

from root directory start docker-compose reservation_service
```
 docker-compose -f docker-compose.yml up -d 
```
check current state
```
docker ps -a
```

expected result

CONTAINER ID   IMAGE                                     COMMAND                  CREATED      STATUS                      PORTS                                            NAMES
8472204b071f   influxdb:1.8                              "/entrypoint.sh infl…"   2 days ago   Up 22 minutes               0.0.0.0:8083->8083/tcp, 0.0.0.0:8086->8086/tcp   influxdb
5516036bb73b   michaelt1223/perf_sr_frontend:latest      "/docker-entrypoint.…"   5 days ago   Up 22 minutes               80/tcp, 0.0.0.0:3000->3000/tcp                   frontend
7fde5b402724   michaelt1223/perf_sr_backend:latest       "java -jar app.jar"      5 days ago   Up 22 minutes               0.0.0.0:8080->8080/tcp                           backend
f08d6be43900   postgres:latest                           "docker-entrypoint.s…"   5 days ago   Up 22 minutes (healthy)     0.0.0.0:5432->5432/tcp                           database
de5d1b1f9e26   prom/prometheus:latest                    "/bin/prometheus --c…"   5 days ago   Up 22 minutes               0.0.0.0:9091->9090/tcp                           prometheus
28fd29a8499a   grafana/grafana:latest                    "/run.sh"                5 days ago   Up 22 minutes               0.0.0.0:3001->3000/tcp                           grafana
7e25219f1688   quay.io/prometheus/node-exporter:latest   "/bin/node_exporter"     5 days ago   Up 22 minutes               0.0.0.0:9100->9100/tcp                           node_exporter
aee27e4ea7b1   gcr.io/cadvisor/cadvisor:latest           "/usr/bin/cadvisor -…"   5 days ago   Up 22 minutes (unhealthy)   8080/tcp, 0.0.0.0:8081->8081/tcp                 cadvisor

grafana
- INFO
  - official docs
  - grafana dashboards
  - standard username: admin, password: admin
- how to connect data bases:
  - prometheus -> go to
    - local grafana
    - select prometheus
    - click add new data source button
    - set http://prometheus:9090 into the inputfield "Prometheus server URL"
    - click Save and test button onto the futter
  - influx -> go to
    - local grafana
    - select influxdb
    - click add new data source button
    - set http://influxdb:8086 into http part field URL
    - on the InfluxDB Details part
    - fields:
      - database: loadTestingDB
      - user: admin
      - password: admin
  - import dashboards:
    - for prometheus
      - for cAdvisor -> go to
        
        local grafana
        
        click new button -> import button
        
        into the Find and import dashboards field set id 14282 for cAdvisor dashboard
        
        click Load button
        
        choose prometheus as datasource
        
        click the import button
        
        be happy - that's the most important!!!
      - for node_exporter -> go to
        
        local grafana
        
        click new button -> import button
        
        into the Find and import dashboards field set id 1860 for node_exporter dashboard
        
        click Load button
        
        choose prometheus as database
        
        click the import button
      - for postgres_exporter -> go to
        
        local grafana
        
        click new button -> import button
        
        into the Find and import dashboards field set id 9628 for postgres_exporter dashboard
        
        click Load button
        
        choose prometheus as database
        
        click the import button
    - influx
    - standard username: admin, password: admin
      - for JMeter -> go to
        
        local grafana
        
        click new button -> import button
        
        into the Find and import dashboards field set id 5496 for Apache JMeter dashboard
        
        click Load button
        
        choose influxDB as datasource
        
        click the import button
prometheus
- special config if your based system is Windows
  - go to prometheus config file monitoring/config/prometheus.yml
  - on the scrape config section you need to change each part of job_name
    - targets: ['cadvisor:8081'] -> targets: ['localhost:8081']
    - targets: ['node_exporter:9100'] -> targets: ['localhost:9100']
    - targets: ['postgres_exporter:9187'] -> targets: ['localhost:9187']
    - targets: ['backend:8080'] -> targets: ['localhost:8080']
- INFO
  - prometheus config file monitoring/config/prometheus.yml
  - prometheus node down alerting config monitoring/config/node_down.yml
  - official docs
influxdb
- INFO
  - official docs
jmeter
- INFO
  - official docs

Name		Name	Last commit message	Last commit date
Latest commit History 43 Commits
backend		backend
database		database
documentation		documentation
frontend		frontend
monitoring/config		monitoring/config
.env		.env
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
docker-compose.local.yml		docker-compose.local.yml
docker-compose.yml		docker-compose.yml

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service_reservation

infrastructure

services

install infrastructure

java

macOs

linux

windows

maven

docker

jmeter

services

docker-compose

grafana

prometheus

influxdb

jmeter

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service_reservation

infrastructure

services

install infrastructure

java

macOs

linux

windows

maven

docker

jmeter

services

docker-compose

grafana

prometheus

influxdb

jmeter

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