rusty_vault 0.2.1

RustyVault is a powerful identity-based secrets management software, providing features such as cryptographic key management, encryption as a service, public key cryptography, certificates management, identity credentials management and so forth. RustyVault's RESTful API is designed to be fully compatible with Hashicorp Vault.
Documentation 
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use std::sync::{Arc, RwLock};

use actix_web::{web, HttpResponse};
use prometheus_client::encoding::text::encode;
use crate::metrics::manager::MetricsManager;

pub async fn metrics_handler(metrics_manager: web::Data<Arc<RwLock<MetricsManager>>>) -> HttpResponse {
    let m = metrics_manager.read().unwrap();
    let registry = m.registry.lock().unwrap();

    let mut buffer = String::new();
    if let Err(e) = encode(&mut buffer, &registry) {
        log::error!("Failed to encode metrics: {}", e);
        return HttpResponse::InternalServerError().finish();
    }

    HttpResponse::Ok()
        .content_type("text/plain; version=0.0.4")
        .body(buffer)
}

pub fn init_metrics_service(cfg: &mut web::ServiceConfig){
    cfg.service(web::resource("/metrics").route(web::get().to(metrics_handler)));
}