K8s infrastructure

Container infrastructure on which Autoreduction is deployed.

VM allocation

• Login to the OpenStack dashboard
• Select Launch Instance
• Details
  • Instance Name = ar-k8s
  • Count = 3
• Source = ubuntu-focal-20.04-nogui
• Flavour = c3.large
• Security Groups
  • Remove Default
  • Add use-host-firewall
• Key pair
  • Ensure the public key associated with you in users.yml is added
• Select Launch Instance

Deployment

When asked for a sudo password, use your Fed ID password. The location you choose for <SECURE PATH> should actually be somewhere secure, if in doubt, use /tmp and put up with having to run step 6 again to get another copy.

1. Ensure the inventory is up to date and that the correct user is specified for ansible_user
2. Ensure the user configuration is up to date
3. ansible-galaxy install -r requirements.yml
4. ansible-playbook -K --ask-vault-pass system.yml -e system_reboot=true
5. export KUBECONFIG=/<SECURE PATH>/kubeconfig
6. ansible-playbook -K --ask-vault-pass k3s.yml
7. ansible-playbook -K --ask-vault-pass services.yml -e longhorn_generate_iscsi_iname=true

Getting kubeconfig

1. Steps 1, 3 and 5 from the Deployment instructions
2. ansible-playbook -K --ask-vault-pass k3s.yml -l k8s_controller
3. kubectl cluster-info