arnabsinha4u / docker-traininglab

Docker Training Lab using DIND (Docker in Docker) and Ansible

Dockerized Docker Training Lab

Docker Training Lab using DIND (Docker in Docker) and Ansible

How To's:

Bootstrap host and Startup Lab (Default settings: creates 1 dockerlab group, dockerlabuser1 user and one master container for the user)

./docker_lab.yml -t baseline,m_build_images,m_startup

Startup

Startup Lab with default settings:

./docker_lab.yml -t users,group,m_startup

Scale-up Lab or Start Lab for more users (example 3 users):

./docker_lab.yml -t users,group,m_startup -e users=3

Shutdown

Shutdown Lab with default settings:

./docker_lab.yml -t remove_group,remove_users,m_shutdown

Scale-down of Shutdown Lab for more users (example 3 users):

./docker_lab.yml -t remove_group,remove_users,m_shutdown -e users=3

Caveat

sudoers file to be changed to include dockerlab group without passwords. Example mentioned This has not been included in the playbook to ensure control and transparency

%dockerlab  ALL=(ALL)       NOPASSWD: ALL

Credits:

DIND has been used from: https://github.com/jpetazzo/dind.git