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Playground

vagrant virtualbox backed docker swarm environment provisioned with ansible.

Requirements

Software

Hardware

Each node of the virtualbox backed cluster is configured with 4GB RAM and 2CPU's. Update the provider configuration to change the defaults.

Build

Update the ansible_eth0 variable with the interface that the swarm manager should advertise itself on: sed -i -e "s/ansible_enp0s8/ansible_eth0/g" playbooks/deploy.yml

Build the environment using vagrant: vagrant up

The openssh-server:latest image will be loaded on all nodes if the file exists at /vagrant/openssh-server/openssh-server.tar.gz during the provisioning.

Note: the swarm nodes are provisioned in parallel with ansible using the tips & tricks.

Usage

  1. connect to the manager node: vagrant ssh node1
  2. create a passwordless ssh rsa key pair for the vagrant user i.e.: ssh-keygen -N "" -m PEM -t rsa -b 4096 -C "vagrant@bastion" -f ~/.ssh/id_rsa
  3. set the REGISTRY_HTTP_SECRET environment variable and deploy the bastion stack
cd /vagrant
REGISTRY_HTTP_SECRET=$(openssl rand -base64 32) docker stack deploy --compose-file docker-compose.yml bastion
  1. test the openssh-server connections: ssh -p 443 ubuntu@localhost
  2. test the registry connections:
docker tag openssh-server:latest docker.localhost/openssh-server:latest
docker push docker.localhost/openssh-server:latest