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# no-handler
This rule checks for the correct handling of changes to results or conditions.
If a task has a `when: result.changed` condition, it effectively acts as a
[handler](https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_handlers.html#handlers).
The recommended approach is to use `notify` and move tasks to `handlers`.
If necessary you can silence the rule by add a `# noqa: no-handler` comment at the end of the line.
## Problematic Code
```yaml
---
- name: Example of no-handler rule
hosts: localhost
tasks:
- name: Register result of a task
ansible.builtin.copy:
dest: "/tmp/placeholder"
content: "Ansible made this!"
mode: 0600
register: result # <-- Registers the result of the task.
- name: Second command to run
ansible.builtin.debug:
msg: The placeholder file was modified!
when: result.changed # <-- Triggers the no-handler rule.
```
```yaml
---
# Optionally silences the rule.
when: result.changed # noqa: no-handler
```
## Correct Code
The following code includes the same functionality as the problematic code without recording a `result` variable.
```yaml
---
- name: Example of no-handler rule
hosts: localhost
tasks:
- name: Register result of a task
ansible.builtin.copy:
dest: "/tmp/placeholder"
content: "Ansible made this!"
mode: 0600
notify:
- Second command to run # <-- Handler runs only when the file changes.
handlers:
- name: Second command to run
ansible.builtin.debug:
msg: The placeholder file was modified!
```
|
