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infrastructure/ansible/README.md

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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