systemprompt-mcp 0.14.0

Native Model Context Protocol (MCP) implementation for systemprompt.io. Orchestration, per-server OAuth2, RBAC middleware, and tool-call governance — the core of the AI governance pipeline.
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//! Read-only access to MCP server deployment configuration.
//!
//! [`DeploymentService`] resolves per-server deployment records (port, binary,
//! enabled state) from the loaded `ServicesConfig`. All operations fail with
//! [`McpDomainError`] when the named server is absent.

use crate::Deployment;
use crate::error::{McpDomainError, McpDomainResult};
use systemprompt_loader::ConfigLoader;
use systemprompt_models::ServicesConfig;

fn missing_deployment(name: &str) -> McpDomainError {
    McpDomainError::Configuration(format!(
        "No deployment configuration found for server: {name}"
    ))
}

#[derive(Debug, Clone, Copy)]
pub struct DeploymentService;

impl DeploymentService {
    pub fn load_config() -> McpDomainResult<ServicesConfig> {
        ConfigLoader::load().map_err(Into::into)
    }

    pub fn get_deployment(name: &str) -> McpDomainResult<Deployment> {
        let config = Self::load_config()?;
        config
            .mcp_servers
            .get(name)
            .cloned()
            .ok_or_else(|| missing_deployment(name))
    }

    pub fn list_enabled_servers() -> McpDomainResult<Vec<String>> {
        let config = Self::load_config()?;
        Ok(config
            .mcp_servers
            .iter()
            .filter(|(_, deployment)| deployment.enabled)
            .map(|(name, _)| name.clone())
            .collect())
    }

    pub fn get_server_port(name: &str) -> McpDomainResult<u16> {
        let config = Self::load_config()?;
        config
            .mcp_servers
            .get(name)
            .map(|d| d.port)
            .ok_or_else(|| missing_deployment(name))
    }

    pub fn is_server_enabled(name: &str) -> McpDomainResult<bool> {
        let config = Self::load_config()?;
        config
            .mcp_servers
            .get(name)
            .map(|d| d.enabled)
            .ok_or_else(|| missing_deployment(name))
    }

    pub fn validate_config() -> McpDomainResult<()> {
        let config = ConfigLoader::load()?;
        config.validate()?;
        Ok(())
    }

    pub fn get_server_binary(name: &str) -> McpDomainResult<String> {
        let config = Self::load_config()?;
        config
            .mcp_servers
            .get(name)
            .map(|d| d.binary.clone())
            .ok_or_else(|| missing_deployment(name))
    }

    pub fn get_server_package(name: &str) -> McpDomainResult<String> {
        let config = Self::load_config()?;
        config
            .mcp_servers
            .get(name)
            .and_then(|d| d.package.clone())
            .or_else(|| Some(name.to_owned()))
            .ok_or_else(|| missing_deployment(name))
    }
}