fix: diagnostics improvements

[ljm42]

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Summary by CodeRabbit

• Bug Fixes

  • Improved error logging for failed commands during diagnostics collection, providing clearer information on issues encountered.
  • Enhanced IP anonymization to always mask IP addresses in diagnostics files.
  • Increased robustness in anonymizing configuration files, reducing the risk of missed entries.

• Chores

  • Minor cleanup to streamline diagnostics processing and error handling.

[coderabbitai]

Walkthrough

The diagnostics script has been updated to improve error handling and message publishing. The previous curl-based message writing function has been replaced with a direct call to a publish mechanism. A new error logging function has been introduced to record command failures with timestamps and context. The main command execution function now captures both return codes and error output, logging failures appropriately. Error redirections in several shell commands have been removed to allow errors to be captured and logged. IP anonymization is now always applied, and file anonymization routines have been made more robust.

Changes

File(s)	Change Summary
emhttp/plugins/dynamix/scripts/diagnostics	- Replaced curl-based write() with publish('diagnostics', $message). - Added log_error() for error logging. - Enhanced run() to capture and log errors. - Made maskIP() unconditional. - Improved file anonymization using find ... -exec sed .... - Removed error redirections from various commands for better error capture. - General cleanup and robustness improvements.

Poem

In the warren, diagnostics now leap,
With errors no longer buried deep.
Each message hops through publish, not curl,
And logs record troubles as they unfurl.
IPs are masked with every run,
While scripts grow robust, errors none.
A rabbit’s delight—debugging is fun! 🐇✨

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📜 Recent review details

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📥 Commits

Reviewing files that changed from the base of the PR and between eed3969 and 8909e16.

📒 Files selected for processing (1)

• emhttp/plugins/dynamix/scripts/diagnostics (10 hunks)

🔇 Additional comments (19)

emhttp/plugins/dynamix/scripts/diagnostics (19)

30-30: Added new dependency to implement better message publishing

Including publish.php is a good change as it allows for a more streamlined approach to publishing diagnostic messages.

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48-52: Simplified message writing with publish mechanism

The function has been improved by replacing the curl-based implementation with a cleaner call to the publish function. This makes the code more maintainable and consistent.

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54-64: Well-structured error logging function added

The new log_error function is well designed with:

• Proper timestamp formatting
• Optional command context inclusion
• Appropriate file append mode

This will significantly improve troubleshooting capabilities by providing contextual information about command failures.

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66-75: Improved command execution with error capture

The run function now properly captures return codes and redirects stderr to stdout (2>&1), enabling error logging when commands fail. This is a significant improvement for diagnosing issues in the command execution chain.

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132-132: Enhanced IP anonymization regex

The regex pattern for anonymizing IPv4 addresses has been refined while maintaining the same functionality.

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135-141: Comprehensive IPv6 anonymization

The updated approach covers various IPv6 address formats including:

• Standard notation
• Bracketed notation (for URLs)
• Addresses with subnet masks

This ensures more thorough anonymization of sensitive network information.

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342-342: Removed commented-out line

Good cleanup of commented code that was no longer needed.

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345-345: Fixed sed command line for loop

This line now properly applies the anonymization to cache directories in the logs.

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350-350: Added SHA256 hash anonymization

This is a good security addition to remove potentially sensitive SHA256 hashes from log files.

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478-478: Consistent IP anonymization for network interfaces

IP addresses in interface configurations are now always anonymized, regardless of the $all parameter value. This is an important improvement for consistent privacy protection.

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491-492: Improved error visibility in file operations

Removed error redirections to /dev/null, allowing errors during configuration file copying to be captured and logged properly.

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500-500: More robust configuration file anonymization

Using find ... -exec sed ... instead of a direct sed on glob patterns improves reliability when handling multiple files, especially with special characters in filenames.

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505-505: Improved error handling for wireless config anonymization

Removed error redirection to allow proper error logging of issues with the wireless configuration processing.

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511-511: Consistent IP anonymization for listening interfaces

Added IP anonymization for network listening interfaces, ensuring comprehensive privacy protection.

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521-521: Enhanced error handling for share configuration

Removed error redirection to allow proper error capture and logging when processing share configurations.

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677-677: Improved error visibility for VM configuration backups

Removed error redirection when copying VM XML files, allowing proper error logging of issues with virtual machine configurations.

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682-683: Better error handling for VM config anonymization

Removed error redirections when anonymizing sensitive information in VM XML files, ensuring issues are properly logged.

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699-699: Consistent IP anonymization for DHCP logs

Added IP anonymization for DHCP logs, ensuring comprehensive privacy protection for network information.

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750-751: Enhanced hostname anonymization

Added thorough anonymization for:

1. Hash-based unraid.net and myunraid.net domains
2. Tailscale magic DNS hostnames

This improves privacy by masking potentially identifying domain information.

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