awx-api-inventory.yml

---
- name: MANAGE HOST IN AWX/TOWER INVENTORY USING REST API
  hosts: all
  connection: local
  gather_facts: false

  vars:
    api_awx_inventory: "{{ awx_inventory_name | default(tower_inventory_name, True) }}"

  tasks:
    - name: Check REST API credentials
      uri:
        url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/me/"
        method: GET
        validate_certs: false
        user: "{{ api_awx_username }}"
        password: "{{ api_awx_password }}"
        return_content: true
        force_basic_auth: true
        status_code: 200

    - name: Get inventory id
      uri:
        url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/inventories/?name={{ api_awx_inventory | urlencode }}"
        method: GET
        validate_certs: false
        user: "{{ api_awx_username }}"
        password: "{{ api_awx_password }}"
        return_content: true
        force_basic_auth: true
        status_code: 200
      register: reg_uri_get_inventory_id
      failed_when: reg_uri_get_inventory_id.json.count == 0

    - name: Set fact_inventory_id
      set_fact:
        fact_inventory_id: "{{ item.id | int }}"
      loop: "{{ reg_uri_get_inventory_id.json.results }}"
      loop_control:
        label: "{{ item.id | int }}"
      when:
        - item.name == api_awx_inventory

    - name: Check if fact_inventory_id is valid
      assert:
        that:
          - fact_inventory_id is defined
          - fact_inventory_id | length > 0

    - name: Check if managed node exists in inventory
      uri:
        url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/inventories/{{ fact_inventory_id }}/hosts/?name={{ inventory_hostname }}"
        method: GET
        validate_certs: false
        user: "{{ api_awx_username }}"
        password: "{{ api_awx_password }}"
        return_content: false
        force_basic_auth: true
      register: reg_uri_host_check

    - when: reg_uri_host_check.json.count > 0
      block:

        # the loop maybe run without arguments when entire block is skipped,
        # this is an elegant way to avoid this behavior
        - name: Set fact_host_id
          set_fact:
            fact_host_id: "{{ item.id | int }}"
          loop: "{{ host_id_loopvar }}"
          loop_control:
            label: "{{ item.id | default('skip', True) }}"
          when:
            - item.name == inventory_hostname
          vars:
            host_id_loopvar: "{{ reg_uri_host_check.json.results | default(['skip'], True) }}"

        - name: Check if fact_host_id is valid
          assert:
            that:
              - fact_host_id is defined
              - fact_host_id | length > 0
              - fact_host_id != "skip"

        - name: Check if managed node id exists
          uri:
            url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/hosts/{{ fact_host_id | int }}/"
            method: GET
            validate_certs: false
            user: "{{ api_awx_username }}"
            password: "{{ api_awx_password }}"
            return_content: true
            force_basic_auth: true
            status_code: 200

        - name: Disable managed node in inventory
          uri:
            url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/hosts/{{ fact_host_id | int }}/"
            method: PATCH
            validate_certs: false
            user: "{{ api_awx_username }}"
            password: "{{ api_awx_password }}"
            return_content: false
            force_basic_auth: true
            status_code: 200
            body:
              enabled: false
            body_format: json
          changed_when: true
          when:
            - api_inventory_disable is defined
            - api_inventory_disable | bool

        - name: Disassociate managed node from inventory
          uri:
            url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/inventories/{{ fact_inventory_id }}/hosts/"
            method: POST
            validate_certs: false
            user: "{{ api_awx_username }}"
            password: "{{ api_awx_password }}"
            return_content: true
            force_basic_auth: true
            status_code: 204
            body: "{'id': {{ fact_host_id | int }}, 'disassociate': true }"
            body_format: json
          register: reg_uri_host_disassociate
          changed_when: true
          when:
            - api_inventory_remove is defined
            - api_inventory_remove | bool

        - name: Check if managed host still exists in inventory
          uri:
            url: "{{ api_awx_url | regex_replace('(/+)$') }}/api/v2/inventories/{{ fact_inventory_id }}/hosts/{{ fact_host_id | int }}/"
            method: GET
            validate_certs: false
            user: "{{ api_awx_username }}"
            password: "{{ api_awx_password }}"
            return_content: false
            force_basic_auth: true
          register: reg_uri_host_checkagain
          failed_when: reg_uri_host_checkagain.status == 200
          when:
            - api_inventory_remove is defined
            - api_inventory_remove | bool