usmannasir f7fc75b258 Add binary verification and rollback mechanism for OLS custom binaries ...

Implement safety checks to verify custom OpenLiteSpeed binaries work before committing to them:

Verification checks:
- Check library dependencies with ldd to detect missing libraries
- Test binary execution with -v flag to ensure it can run
- Detect issues like wrong binary type (ubuntu vs rhel) for the OS

Rollback mechanism:
- Automatically restore original binary from backup if verification fails
- Remove incompatible custom module
- Continue installation with standard OLS if custom binary fails

This prevents installation failures and system downtime when:
- Wrong binary type is downloaded due to OS detection issues
- Library dependencies are missing
- Binary cannot execute on the target system

Changes:
- Added verifyCustomBinary() method to check dependencies and execution
- Added rollbackCustomBinary() method to restore from backup
- Updated installCustomOLSBinaries() to verify and rollback on failure
- Applied to both install/installCyberPanel.py and plogical/upgrade.py

Benefits:
- Zero downtime: System falls back to working binary automatically
- Better error reporting: Shows which libraries are missing
- Safer upgrades: Users won't be left with broken installations

2025-11-07 13:50:47 +05:00

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