ansible playbook to look for namespace default label and assigns extra labels for backup schedules

k8s_check_labels.yml

---
- name: Check_and_update
  hosts: localhost
  gather_facts: false
  vars:
    inital_label: "label_a"
    storage: "label_b"
    resrcs_only: "label_c"
    full_namespace: "label_d"
    schedule_names:
      - "schedule1"
      - "schedule2"
      - "schedule3"
      - "schedule4"
      - "schedule5"
      - "schedule6"
    namespaces_missing_labels: []
    namespace_label_map: {}
  environment:
    KUBECONFIG: ""

  tasks:
    - name: Get all namespaces
      kubernetes.core.k8s_info:
        api_version: v1
        kind: Namespace
      register: namespaces_info

    - name: Filter with inital label
      ansible.builtin.set_fact:
        namespaces_with_inital_label: "{{ namespaces_info.resources | selectattr('metadata.labels', 'defined') | selectattr('metadata.labels.' + inital_label, 'defined') | list }}"

    - name: Initialize namespaces_missing_labels
      ansible.builtin.set_fact:
        namespaces_missing_labels: []

    - name: Check each namespace for missing labels
      ansible.builtin.set_fact:
        namespaces_missing_labels: >-
          {{
            namespaces_missing_labels +
            [namespace.metadata.name]
          }}
      loop: "{{ namespaces_with_inital_label }}"
      loop_control:
        loop_var: namespace
      when: not (namespace.metadata.labels[storage] or (namespace.metadata.labels[resrcs_only] or namespace.metadata.labels[full_namespace]))

    - name: Assign random values to schedule_names for missing namespaces
      ansible.builtin.set_fact:
        namespace_label_map: "{{ namespace_label_map | combine({item: (schedule_names | random)}) }}"
      loop: "{{ namespaces_missing_labels }}"
      loop_control:
        label: "{{ item }}"

    - name: Patch_with_schedules
      kubernetes.core.k8s:
        api_version: v1
        kind: Namespace
        name: "{{ item }}"
        merge_type: "merge"
        definition:
          metadata:
            labels:
              full_namespace: "{{ namespace_label_map[item] }}"
      loop: "{{ namespaces_missing_labels }}"

    - name: Display_results
      ansible.builtin.debug:
        msg: >-
          Updated namespaces with schedules: {{ namespace_label_map }}