Playbook for setting logging level in springboot application through actuator.

change-logging-level-springboot.yaml

- hosts: "{{ nodes }}"   
  gather_facts: no 
  vars:
    - category: ROOT # pass here ROOT or package or classname with package
    - level: INFO # pass here logging level or null
  tasks:
    - name: "Change logging level to '{{ level }}' for '{{ category }}'"
      when: level != "null"
      uri:
        url: "http://localhost:8080/actuator/loggers/{{ category }}"
        method: POST
        status_code: 204
        body: "{\"configuredLevel\": \"{{ level }}\" }"
        body_format: json
        headers:
          Content-Type: "application/json"
    - name: "Remove configured logging for '{{ category }}'"
      when: level == "null"
      uri:
        url: "http://localhost:8080/actuator/loggers/{{ category }}"
        method: POST
        status_code: 204
        body: "{\"configuredLevel\": null }"
        body_format: json
        headers:
          Content-Type: "application/json"

You can run playbook with variables:

• nodes - IP addresses or server group from your inventory
• category - ROOT or package or classname with package
• level - logging level for example INFO or null

Run example

ansible-playbook change-logging-level.yaml \
--extra-vars "nodes=localhost category=pl.speedlog.example.logging_level.AnotherScheduler level=TRACE"