theshire/.archive/ansible/main/playbooks/cluster-rollout-update.yaml

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2024-01-11 15:03:54 -06:00
---
# https://github.com/kevincoakley/ansible-role-k8s-rolling-update
- name: Cluster update rollout
hosts: kubernetes
become: true
gather_facts: true
any_errors_fatal: true
serial: 1
pre_tasks:
- name: Pausing for 2 seconds...
ansible.builtin.pause:
seconds: 2
tasks:
- name: Details
ansible.builtin.command: "kubectl get node {{ inventory_hostname }} -o json"
register: kubectl_get_node
delegate_to: "{{ groups['master'][0] }}"
failed_when: false
changed_when: false
- name: Update
when:
# When status.conditions[x].type == Ready then check stats.conditions[x].status for True|False
- kubectl_get_node['stdout'] | from_json | json_query("status.conditions[?type == 'Ready'].status")
# If spec.unschedulable is defined then the node is cordoned
- not (kubectl_get_node['stdout'] | from_json).spec.unschedulable is defined
block:
- name: Cordon
kubernetes.core.k8s_drain:
name: "{{ inventory_hostname }}"
kubeconfig: /etc/rancher/k3s/k3s.yaml
state: cordon
delegate_to: "{{ groups['master'][0] }}"
- name: Drain
kubernetes.core.k8s_drain:
name: "{{ inventory_hostname }}"
kubeconfig: /etc/rancher/k3s/k3s.yaml
state: drain
delete_options:
delete_emptydir_data: true
ignore_daemonsets: true
terminate_grace_period: 600
wait_timeout: 900
pod_selectors:
- app!=rook-ceph-osd
delegate_to: "{{ groups['master'][0] }}"
- name: Update
ansible.builtin.apt:
upgrade: dist
update_cache: true
- name: Check if reboot is required
ansible.builtin.stat:
path: /var/run/reboot-required
register: reboot_required
- name: Reboot
when: reboot_required.stat.exists
ansible.builtin.reboot:
msg: Rebooting node
post_reboot_delay: 120
reboot_timeout: 3600
- name: Uncordon
kubernetes.core.k8s_drain:
name: "{{ inventory_hostname }}"
kubeconfig: /etc/rancher/k3s/k3s.yaml
state: uncordon
delegate_to: "{{ groups['master'][0] }}"