Crate distributed_config

Distributed Config

distributed-config is a robust configuration management library for Rust applications running in distributed environments. It provides a unified interface for loading, accessing, and synchronizing configuration across multiple nodes with support for dynamic updates, validation, and various backend stores.

Features

• Hierarchical Configuration: Organize configuration in a tree structure
• Multiple Sources: Load from files, environment variables, and remote sources
• Dynamic Updates: Real-time configuration changes with notifications
• Schema Validation: Strong typing and validation support
• Distributed Sync: Synchronize configuration across multiple nodes
• Feature Flags: Built-in feature flag management
• Versioning: Configuration history and rollback support

Quick Start

use distributed_config::{ConfigManager, sources::FileSource};
use serde::{Deserialize, Serialize};

#[derive(Debug, Deserialize, Serialize)]
struct AppConfig {
    host: String,
    port: u16,
    debug: bool,
}

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let mut config = ConfigManager::new();
     
    // Add a file source
    let file_source = FileSource::new().add_file("config.yaml", None);
    config.add_source(file_source, 10);
     
    // Initialize and load configuration
    config.initialize().await?;
     
    // Access typed configuration
    let app_config = config.get::<AppConfig>("app").await?;
    println!("Server running on {}:{}", app_config.host, app_config.port);
     
    Ok(())
}

Re-exports

pub use error::ConfigError;

pub use error::Result;

pub use manager::ConfigManager;

pub use sources::ConfigSource;

pub use sources::EnvSource;

pub use sources::FileSource;

pub use validation::SchemaValidator;

pub use value::ConfigValue;

pub use watcher::ConfigChange;

pub use watcher::ConfigWatcher;

Modules

error

Error types for the distributed-config library

manager

Core configuration manager implementation

sources

Configuration sources for loading configuration from various locations

validation

Configuration validation using JSON Schema

value

Configuration value types and conversions

watcher

Configuration change watching and notification system

Functions

init_tracing

Initialize tracing for the library

Type Aliases

ChangeNotification

Type alias for configuration change notifications