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DEVELOPMENT.md

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Setup development database

For local development a postgresql database is needed. The file local/docker-compose-dev-postgres.yaml provides a postgres that can be started freshly for development:

cd local
# create .env manually or run sh generate-keys.sh
docker compose -f docker-compose-dev-postgres.yaml up

# update your application.properties (src) accordingly to user and password
# work as you want. Shutdown database if needed:
docker compose -f docker-compose-dev-postgres.yaml down

NOTE: For testing purposes HyperSql is still used but excluded for spring run. ll

Keeping dependencies-files up to date

Backend

Navigate to the ./backend folder and run:

mvn org.eclipse.dash:license-tool-plugin:license-check

This line runs the maven license tool with the parameters specified in the ./backend/pom.xml and produces a DEPENDENCIES_BACKEND file in the root folder of this project.

Frontend

# move to a persistent folder. Could also be ~/jars.
mv org.eclipse.dash.licenses-1.0.2.jar ~/coding/org.eclipse.dash.licenses-1.0.2.jar
vim ~/.bashrc
# add following line using i
alias eclipseDashTool='java -jar ~/coding/org.eclipse.dash.licenses-1.0.2.jar'
# esc, qw -> enter to save and exit
source ~/.bashrc
# cd to puris-frontend
cd frontend
eclipseDashTool package-lock.json -project automotive.tractusx -summary ../DEPENDENCIES_FRONTEND

mock-util-service

Temprorary also the mock-util-service needs to be kept up to date. First add the alias same as for frontend to your .bashrc and then use the following command:

cd local/iam-mock
cat requirements.txt | grep -v \# \
| sed -E -e 's|([^= ]+)==([^= ]+)|pypi/pypi/-/\1/\2|' -e 's| ||g' \
| sort | uniq \
| eclipseDashTool -summary DEPENDENCIES -

Note: Dash action provided by eclipse-tractusx/sig-infra does not provide to opportunity for python.

Frontend container building workaround to use environment variables for vue

The mechanism for docker is the following:

  • .env has vite variables
  • .env.dockerbuild has the vite variable that maps on an environment variable (VITE_BACKEND_BASE_URL=$BACKEND_BASE_URL)
  • src/config.json has the environment variable names and the environment variable to substring in a json format.

When building the container:

  1. .env.dockerbuild is used
  2. vite / vue builds the application into a dest folder, that will be served by nginx

Result for the .env:
VITE_BACKEND_BASE_URL won't write a variable value BUT a placeholder into the built files ( $BACKEND_BASE_URL)

When building the container, there is a "start-nginx.sh" file that does the following

  1. Collects the environment variables (set for the docker container / set via helm as BACKEND_BASE_URL)
  2. Looks-up the "to replace string" from config.json (e.g., for BACKEND_BASE_URL, it will search for $BACKEND_BASE-URL in the built files)
  3. Does the replacement in the built files
  4. Starts nginx

Local installations with Helm

Local Installation

Different to installations from the official repo (see e.g. Helm README.md), you need to first install dependencies.

cd ../charts/puris
helm repo add bitnami https://charts.bitnami.com/bitnami
helm dependency update

Then install the application to your needs:

Run with Ingress (recommended)

Precondition: please refer to your runtime environment's official documentation on how to enable ingress.

Run the application

helm install puris . \
    --namespace puris \
    --create-namespace \
    --set frontend.ingress.enabled=true \
    --set backend.ingress.enabled=true

Edit /etc/hosts:

# If you are using minikube use minikube ip to get you clusterIp, for kind this is localhost (127.0.0.1)
sudo vim /etc/hosts
>> add entry for frontend "<cluster ip> <frontend-url.top-level-domain>"
>> add entry for backend "<cluster ip> <backend-url.top-level-domain>"
>> :wq! (save changes)

Done! The applications should be available at:

  • (frontend) http://your-frontend-host-address.com
  • (backend) http://your-backend-host-address.com

NOTE

Ingress must be enabled for your runtime once per cluster installation. /etc/hosts adoption once per system / url

Run without Ingress

helm install puris . \
    --namespace puris \
    --create-namespace

Forward ports for services:

kubectl -n puris port-forward svc/frontend 8080:8080
kubectl -n puris port-forward svc/backend 8081:8081

Done! The applications should be available at http://localhost:<forwarded-port>.

Testing Helm Charts with Local Images

When changing the helm charts due to changes of e.g. environment variables, one should test locally whether the changes work.

First thing one should check is whether the templates may be resolved / substituted correctly and if your changes are defaulted correctly:

cd charts/puris
helm template .
>> no error is thrown, chart is resolved, changes are done correctly

Now build your images as explained in the respective install.mds.

Now you need to update your Chart.yml and values.yml:

  • Chart.yml: change appVersion to your build tag (e.g., dev)
  • values.yml: for both frontend and backend change the image
    • repository should be set to the image name used during docker build (e.g., puris-backend, puris-frontend)
    • pullPolicy should be set to Never

Now depending on your runtime environment you need to load the images into it (we assume, you built puris-backend:dev and (puris-frontend:dev):

# minikube 
minikube image load puris-backend:dev
minikube image load puris-frontend:dev
# validate that your image is listed and compare digest with local image
minikube image ls --format table | grep puris-backend
docker image ls | grep puris-backend
minikube image ls --format table | grep puris-frontend
docker image ls | grep puris-frontend
# kind
kind load puris-backend:dev
kind load puris-frontend:dev
# validate that your image is listed and compare digest with local image
docker ps 
>> locate the container-id of you kind cluster
docker exec -it {container-id} crictl images | grep puris-backend
docker image ls | grep puris-backend
docker exec -it {container-id} crictl images | grep puris-frontend
docker image ls | grep puris-frontend

ATTENTION: MAKE SURE THAT THE IMAGE ID IN YOUR KUBERNETES ENVIRONMENT IS THE SAME AS IN YOUR LOCAL DOCKER.

Else you can delete images as follows:

# minikube
minikube image delete puris-backend:dev
minikube image delete puris-frontend:dev
# kind
ocker ps 
>> locate the container-id of you kind cluster
docker exec -it {container-id} crictl rmi puris-backend:dev
docker exec -it {container-id} crictl rmi puris-frontend:dev

NOTICE

This work is licensed under the Apache-2.0.