lsyncd/lsyncd
Lsyncd
Lsyncd is an event-driven directory synchronization daemon that monitors local filesystem changes to mirror data to remote servers. It functions as a customizable sync orchestrator, watching for file creations, modifications, and deletions to trigger automated synchronization tasks or user-defined scripts.
The tool specifically automates rsync workflows, utilizing secure shell connections to maintain consistent copies of local data on remote targets. It optimizes data transmission by performing remote file management, such as renames and deletions, via secure shells to avoid unnecessary re-transmission.
The system's capabilities include real-time filesystem monitoring across different operating systems, including macOS. It manages the synchronization lifecycle by evaluating process exit codes to determine whether tasks should be retried or terminated. Users can define custom synchronization logic and map specific filesystem events to external scripts or shell commands.
Features
- RSync - Utilizes the rsync utility to efficiently mirror local files to remote targets.
- Remote Server Mirroring - Provides automated mirroring of local directories to remote servers to maintain consistent data copies.
- Local Filesystem Authoritative Mirroring - Mirrors local files to a remote target by treating the local filesystem as the authoritative source.
- Event-Driven Task Execution - Triggers shell commands or scripts automatically in response to specific local filesystem events.
- Real-Time Synchronization - Ensures remote mirrors reflect local changes immediately using low-latency filesystem event monitoring.
- SSH Directory Syncs - Maintains synchronization between local and remote directories over SSH based on filesystem changes.
- Event-Driven Scripting - Automatically executes user-defined scripts in response to local filesystem events like file creation or deletion.
- SSH-Based Remote Execution - Executes remote commands over secure shell connections to manage files on target nodes without re-transferring data.
- Event-to-Action Mappings - Allows mapping specific filesystem events to custom user-defined scripts or shell commands via configuration.
- Filesystem Change Monitors - Tracks modifications to files and directories in real time using native OS kernels to trigger synchronization.
- RSync Data Synchronizations - Implements a daemon that uses the RSync protocol to synchronize local changes to remote targets based on filesystem events.
- Remote File Rename and Delete Operations - Performs file renames and deletions on remote servers over secure connections to optimize data transmission.
- Subprocess Orchestrators - Spawns and manages external shell processes and sync utilities like rsync to perform data movement.
- Sync and Forwarding Orchestration - Orchestrates file synchronization and associated actions based on user-defined configuration rules.
- Synchronization Action Definitions - Enables users to define custom synchronization logic and rules via configuration files and shell scripts.
- Event-Driven Rsync Workflows - Automates rsync workflows to synchronize data to remote targets triggered by local filesystem events.
- Command Line Tools - Listed in the “Command Line Tools” section of the The Book Of Secret Knowledge awesome list.
Star history
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