install docker on a largest number of linux distribution (based on...

roles/common/defaults/main.yml

roles/common/tasks/calico.yml

roles/common/tasks/flannel.yml

roles/common/tasks/kubernetes.yml

roles/common/tasks/main.yml

roles/docker/.gitignore

roles/docker/files/systemd-docker.service

roles/docker/handlers/main.yml

roles/docker/tasks/configure.yml

roles/docker/tasks/install.yml

roles/docker/tasks/main.yml

roles/docker/templates/default-docker.j2

roles/docker/templates/docker.list.j2

roles/docker/vars/centos-6.yml

roles/docker/vars/debian.yml

roles/docker/vars/fedora-20.yml

roles/docker/vars/main.yml

roles/docker/vars/redhat.yml