Ansible suggests invalid solution in error message for include_tasks

[jasmith79]

SUMMARY

Using Ansible 2.6.4 (current release) when attempting to include_tasks for a file that isn't present on the controller but is present on the remote, the following error message prints:

FAILED! => {"reason": "Unable to retrieve file contents\nCould not find or access '/path/to/playbook.yml' on the Ansible Controller.\nIf you are using a module and expect the file to exist on the remote, see the remote_src option"}

However, per the docs, remote_src is not a valid option for include_tasks.

ISSUE TYPE

• Bug Report

COMPONENT NAME

include_tasks

ANSIBLE VERSION

ansible 2.6.4
  config file = None
  configured module search path = ['/Users/jared/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /Users/jared/Library/Python/3.5/lib/python/site-packages/ansible
  executable location = /Library/Frameworks/Python.framework/Versions/3.5/bin/ansible
  python version = 3.5.2 (v3.5.2:4def2a2901a5, Jun 26 2016, 10:47:25) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]

CONFIGURATION

none

OS / ENVIRONMENT

Controller is Mac OS X High Sierra, remote is Ubuntu 18.04

STEPS TO REPRODUCE

1. Create a yml file on the remote host, e.g. /tmp/file.yml.
2. Create a playbook on the controller that tries to include_tasks: /tmp/file.yml
3. Attempt to provision the remote host with the playbook.

---
- hosts: all
  tasks:
  - include_tasks: /tmp/file.yml

EXPECTED RESULTS

Get a useful error message.

ACTUAL RESULTS

Got the error

FAILED! => {"reason": "Unable to retrieve file contents\nCould not find or access '/path/to/playbook.yml' on the Ansible Controller.\nIf you are using a module and expect the file to exist on the remote, see the remote_src option"}

which suggests an invalid solution.

PLAY [all] *********************************************************************

TASK [Gathering Facts] *********************************************************
ok: [default]

TASK [include_tasks] ***********************************************************
fatal: [default]: FAILED! => {"reason": "Unable to retrieve file contents\nCould not find or access '/tmp/file.yml' on the Ansible Controller.\nIf you are using a module and expect the file to exist on the remote, see the remote_src option"}
	to retry, use: --limit @/Users/myuser/Dev/project/simple.retry

PLAY RECAP *********************************************************************
default                    : ok=1    changed=0    unreachable=0    failed=1

Ansible failed to complete successfully. Any error output should be
visible above. Please fix these errors and try again.

[ansibot]

Files identified in the description:

• lib/ansible/modules/utilities/logic/include_tasks.py

If these files are inaccurate, please update the component name section of the description or use the !component bot command.

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