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Store yaml docs #4425

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@gabest11 gabest11 commented Nov 11, 2024

Description:

Related issue (if applicable): fixes

Pull request in esphome with YAML changes (if applicable): esphome/esphome#7725

Checklist:

  • I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
    or

  • I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

  • Link added in /index.rst when creating new documents for new components or cookbook.

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Walkthrough

The changes introduce new documentation in store_yaml.rst for the Store YAML component, which facilitates the storage of a flattened YAML configuration file within firmware. This documentation details the component's operation, including a compression method for CORE.config, configuration options for visibility and security, and a logging action. It also includes an example configuration and a warning regarding potential issues with large configurations.

Changes

File Change Summary
components/store_yaml.rst Added documentation for the Store YAML component, detailing its functionality, configuration options, and logging actions.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Firmware
    participant Logger

    User->>Firmware: Request to store YAML configuration
    Firmware->>Firmware: Compress CORE.config
    Firmware->>Firmware: Store as ESPHOME_YAML
    Firmware->>Logger: Log YAML data
    Logger-->>Firmware: Confirm logging
    Firmware-->>User: Acknowledge storage
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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (4)
components/store_yaml.rst (4)

22-23: Add default values for configuration variables.

The documentation should specify the default values for both configuration options to help users make informed decisions.

-  **show_in_dump_config** (*Optional*, boolean): Set to ``true`` to display the YAML during dump_config.
-  **show_secrets** (*Optional*, boolean): Replace `!secret ...` with their real values.
+  **show_in_dump_config** (*Optional*, boolean, defaults to ``false``): Set to ``true`` to display the YAML during dump_config.
+  **show_secrets** (*Optional*, boolean, defaults to ``false``): Replace `!secret ...` with their real values.

25-28: Enhance warning with specific details and mitigation strategies.

The warning about configuration size should include more specific information to help users avoid issues.

 .. warning::
 
-    `show_in_dump_config` may trigger a watchdog reboot and safe mode when the configuration is too large to be sent quickly.
+    When `show_in_dump_config` is enabled and your configuration exceeds approximately 4KB, the dump process may trigger a watchdog reboot and enter safe mode. If you need to view large configurations, consider using the `store_yaml.log` action instead, which streams the data gradually.

29-41: Add more context and examples for the logging action.

The action documentation would be more helpful with information about the expected output and common usage scenarios.

 ``store_yaml.log`` Action
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Send YAML to the logger.
+Send the stored YAML configuration to the logger. This action is useful when you need to:
+
+- Recover your configuration if the original file is lost
+- Debug configuration issues
+- Verify the stored configuration matches your expectations
+
+The output will show the flattened YAML configuration in the device logs.
 
 .. code-block:: yaml

42-46: Add related links to the See Also section.

Consider adding links to related resources mentioned in the PR objectives.

 See Also
 --------
 
 - :apiref:`safe_mode/safe_mode.h`
+- `ESPHome PR #7725 <https://github.com/esphome/esphome/pull/7725>`_
 - :ghedit:`Edit`
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1-6: LGTM! Document structure and metadata are well-formatted.


This component can be used to store the flattened yaml in the firmware, to be retrieved in case the original was lost. The needed size in the firmware is typically a few kilobytes. The user can decide if it's worth it.

They way it works: `__init__.py` compresses `CORE.config` with a basic dictionary based compression into a global const byte array (`ESPHOME_YAML`) and can be logged with an action.
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🛠️ Refactor suggestion

Improve technical explanation clarity and fix grammar.

The technical explanation has grammar issues and could be clearer.

-They way it works: `__init__.py` compresses `CORE.config` with a basic dictionary based compression into a global const byte array (`ESPHOME_YAML`) and can be logged with an action. 
+The way it works: The `__init__.py` file compresses the `CORE.config` using dictionary-based compression, storing it as a global constant byte array named `ESPHOME_YAML`. This compressed configuration can then be retrieved using a logging action.
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They way it works: `__init__.py` compresses `CORE.config` with a basic dictionary based compression into a global const byte array (`ESPHOME_YAML`) and can be logged with an action.
The way it works: The `__init__.py` file compresses the `CORE.config` using dictionary-based compression, storing it as a global constant byte array named `ESPHOME_YAML`. This compressed configuration can then be retrieved using a logging action.

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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (4)
components/store_yaml.rst (4)

7-7: Enhance the introduction with more specific details.

Consider clarifying these technical aspects:

  1. What "flattened yaml" means in this context
  2. Provide a more specific range for "a few kilobytes" (e.g., typical size range based on configuration complexity)

27-29: Enhance the warning message with specific details.

The warning about watchdog reboot could be more helpful if it included:

  1. Approximate configuration size thresholds that might trigger this issue
  2. Recommendations for avoiding the problem (e.g., using the logging action instead)

34-42: Add details about the logging action behavior.

Please enhance the action documentation with:

  1. The format of the logged YAML output
  2. Any size limitations or performance considerations
  3. Example of the expected log output

47-48: Add reference to related ESPHome PR.

Consider adding a reference to the related ESPHome PR (esphome/esphome#7725) in the See Also section for better cross-referencing.

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components/store_yaml.rst (1)

9-9: Grammar and clarity issues in technical explanation.


- **show_in_dump_config** (*Optional*, boolean): Set to ``true`` to display the YAML during dump_config.
- **show_secrets** (*Optional*, boolean): Replace `!secret ...` with their real values.
- **url** (*Optional*, string): .
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⚠️ Potential issue

Add missing description for the 'url' parameter.

The description for the 'url' parameter is empty. Please provide information about:

  • The purpose of this URL
  • Its format requirements
  • Whether it's used for accessing the stored YAML

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