infrastructure/ansible

Provisionning

1. Need a public IP address
2. Deploy Debian sid/buster
3. Add a DNS entry like xxxx.machine.deuxfleurs.fr A 0.0.0.0 in Cloudflare + Havelock
4. Setup the fqdn in /etc/hosts (127.0.1.1 xxxx.machine.deuxfleurs.fr)
5. Switch the SSH port to the port 110
6. Add the server to the ./production file
7. Reboot machine
8. Deploy Ansible
9. Check that everything works as intended
10. Update NS 1.cluster.deuxfleurs.fr

Useful commands

Show every variables collected by Ansible for a given host:

ansible -i production villequin.machine.deuxfleurs.fr -m setup

Run playbook for only one host:

ansible-playbook -i production --limit villequin.machine.deuxfleurs.fr site.yml

Dump hostvars:

ansible -m debug villequin.machine.deuxfleurs.fr -i ./production -a "var=hostvars"

Deploy only one tag:

ansible-playbook -i production site.yml --tags "container"

Redeploy everything:

ansible-playbook -i production site.yml

Upgrade packages and force overwirte to fix bad packing done by GlusterFS:

apt-get -o Dpkg::Options::="--force-overwrite"  dist-upgrade -y