Collecting pi-hole status with custom script

pihole-stats.yaml

zabbix_export:
  version: '6.4'
  template_groups:
    - uuid: a571c0d144b14fd4a87a9d9b2aa9fcd6
      name: Templates/Applications
  templates:
    - uuid: 11f833e81adb4040b367a55d5cef4019
      template: 'pi-hole stats'
      name: 'pi-hole stats'
      description: 'Gather pi-hole stats'
      groups:
        - name: Templates/Applications
      items:
        - uuid: 15af0062e62d4e20a61f8a0d750fd910
          name: 'Load data'
          key: pihole.records
          delay: 30s
          trends: '0'
          value_type: CHAR
          tags:
            - tag: app
              value: pihole
        - uuid: 9034cf76f02d44f2a03e50c92c2cf3ee
          name: 'Pihole status load delta between last load and current'
          type: DEPENDENT
          key: pihole.stats.delta
          delay: '0'
          preprocessing:
            - type: JSONPATH
              parameters:
                - $.delta
          master_item:
            key: pihole.records
          tags:
            - tag: app
              value: pihole
        - uuid: 9551e1c40c4f4b4cb78576a48a64cf64
          name: 'Number of records added to graylog'
          type: DEPENDENT
          key: pihole.stats.loaded
          delay: '0'
          preprocessing:
            - type: JSONPATH
              parameters:
                - $.loaded
          master_item:
            key: pihole.records
          tags:
            - tag: app
              value: pihole