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path: root/roles/kubernetes/decorations/tasks/annotations.yml
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---
- name: get list of current annotations
  delegate_to: "{{ groups['_kubernetes_primary_controlplane_node_'] | first }}"
  check_mode: no
  command: kubectl --kubeconfig /etc/kubernetes/admin.conf get node '{{ kubernetes_node_name }}' -o jsonpath='{.metadata.annotations}'
  changed_when: false
  register: kubectl_list_annotations

- set_fact:
    current_annotations: "{{ kubectl_list_annotations.stdout | ternary(kubectl_list_annotations.stdout, '[]') | from_json }}"

- name: add annotations to node
  delegate_to: "{{ groups['_kubernetes_primary_controlplane_node_'] | first }}"
  loop: "{{ kubernetes_node_annotations | dict2items }}"
  loop_control:
    label: "{{ item.key }}={{ item.value }}"
  when: "item.key not in current_annotations or current_annotations[item.key] != item.value"
  command: kubectl --kubeconfig /etc/kubernetes/admin.conf annotate --overwrite node '{{ kubernetes_node_name }}' '{{ item.key }}={{ item.value }}'

- name: add stamp files for managed annotations
  loop: "{{ kubernetes_node_annotations | dict2items }}"
  loop_control:
    label: "{{ item.key }}={{ item.value }}"
  copy:
    dest: "/etc/kubernetes/decorations/annotations/{{ item.key | replace('/', '%') }}"
    content: "{{ item.value }}"

- name: get list of managed annotations
  find:
    path: /etc/kubernetes/decorations/annotations
  register: managed_annotations

- name: remove superflous annotations from node
  delegate_to: "{{ groups['_kubernetes_primary_controlplane_node_'] | first }}"
  loop: "{{ managed_annotations.files | map(attribute='path') | map('basename') | replace('%', '/') }}"
  when: "item not in kubernetes_node_annotations"
  command: kubectl --kubeconfig /etc/kubernetes/admin.conf annotate --overwrite node '{{ kubernetes_node_name }}' '{{ item }}-'

- name: remove stamp files for superflous annotations
  loop: "{{ managed_annotations.files | map(attribute='path') | map('basename') | replace('%', '/') }}"
  when: "item not in kubernetes_node_annotations"
  file:
    path: "/etc/kubernetes/decorations/annotations/{{ item | replace('/', '%') }}"
    state: absent