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Maven-pervertions

Non-typical Maven usage infrastructure and projects

Pre-requisites

  • Docker (tested with 17.12.0-ce)
  • Docker Compose (tested with 1.12.0)

Getting started

Start the containers from the project folder:

docker-compose up -d nexus

If you are running the containers in the first time, it is worth to create a hosted PyPi repo. You may do it using the following command:

docker-compose exec nexus /tmp/pypi-init.sh

If you want to reproduce clean Nexus start after is has been initialized, use the following command:

docker-compose down -v nexus

Usage

Nexus 3 container

To get the Nexus 3 HTTP port, mapped to the localhost use the command:

docker-compose port nexus 8081

Then target your browser to the printed port. Username/password - admin/admin123.

Client container

To run one-off scripts and manual scenarios the repo-client image should be built. For manual commands start the Bash inside the Docker container:

docker-compose run --rm repo-client bash

Scenario

Deploy the parent and archetype projects to Nexus 3 Maven repo:

docker-compose run --rm repo-client mvn -f /root/projects/parent/pom.xml deploy
docker-compose run --rm repo-client mvn -f /root/projects/python-parent/pom.xml deploy
docker-compose run --rm repo-client mvn -f /root/projects/python-archetype/pom.xml deploy

Deploy the Java Hello World application to Nexus 3 Maven repo:

docker-compose run --rm repo-client mvn -f /root/projects/java-hello/pom.xml deploy

Create a Maven-wrapped Python project from the archetype:

docker-compose run --rm repo-client sh -c "cd /root/projects; mvn archetype:generate \
                                        -DarchetypeGroupId=com.griddynamics.techtalk \
                                        -DarchetypeArtifactId=python-archetype \
                                        -DarchetypeVersion=0.0.1 \
                                        -DgroupId=com.griddynamics.techtalk \
                                        -DartifactId=mypython \
                                        -Dversion=1.0-SNAPSHOT \
                                        -DinteractiveMode=false"

Move the project files to archetype-based skeleton:

docker-compose run --rm repo-client rm -rf /root/projects/mypython/src/main/python
docker-compose run --rm repo-client cp -r /root/projects/python-hello /root/projects/mypython/src/main/python

Deploy the Maven-wrapped Python project:

docker-compose run --rm repo-client mvn -f /root/projects/mypython/pom.xml clean package deploy

Run the complex project:

docker-compose run --rm repo-client mvn -f /root/projects/complex-hello/pom.xml clean install

Or local scenario to run inside the container without deployment of artifacts (for development purposes):

docker-compose run --rm repo-client bash

cd /root/projects
rm -rf /root/projects/mypython
mvn -f /root/projects/parent/pom.xml clean install
mvn -f /root/projects/python-parent/pom.xml clean install
mvn -f /root/projects/python-archetype/pom.xml clean install
mvn archetype:generate -DarchetypeGroupId=com.griddynamics.techtalk \
                       -DarchetypeArtifactId=python-archetype \
                       -DarchetypeVersion=0.0.1 \
                       -DgroupId=com.griddynamics.techtalk \
                       -DartifactId=mypython \
                       -Dversion=1.0-SNAPSHOT \
                       -DinteractiveMode=false
cd /root/projects/mypython
mvn deploy

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