telnet + wrench

[apbodrov]

What does this implement/fix?

Implementation of telnet cli

Types of changes

• [+] New feature (non-breaking change which adds functionality)

Related issue or feature (if applicable): part of esphome/feature-requests#2707

Pull request in esphome-docs with documentation (if applicable): esphome/esphome-docs#

Test Environment

• [+] ESP32

Example entry for config.yaml:

# Example config.yaml
telnet:

Checklist:

• The code change is tested and works locally.
• Tests have been added to verify that the new code works (under tests/ folder).

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated in esphome-docs.

[probot-esphome]

Hey there @apbodrov,
Thanks for submitting this pull request! Can you add yourself as a codeowner for this integration? This way we can notify you if a bug report for this integration is reported.
In __init__.py of the integration, please add:

CODEOWNERS = ["@apbodrov"]

And run script/build_codeowners.py

_{^{(message by NeedsCodeownersLabel)}}

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (dev@7ddcdab). Click here to learn what that means.

Additional details and impacted files

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  Hits           ?     5197           
  Misses         ?     4060           
  Partials       ?      324           

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[jesserockz]

This is very niche and I think it should just live as an external_component

[apbodrov]

This is very niche

This is the same SSH (It’s hard to call it niche), only for the poor. I want to implement through this interface such things as configuration in runtime, and such commands as, for example, dump_config to pull out the configuration from the flashed ESP (for me this is really a problem and I saw PR on this topic too)
This will require changes to the core part and can be useful to people (network equipment basically uses CLI insted of something else)

[jesserockz]

I have no doubts that it could be useful to you and I know what telnet and SSH are. I am saying this in the context of having a telnet server available on a ESPHome device.

We are happy to accommodate smaller core changes that would he helpful to an external component as long as they do not interfere with normal usage.