tftsr-devops_investigation/src-tauri/src/lib.rs
Shaun Arman 3588399dfd
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feat(mcp): add MCP Server Support with TDD implementation
Adds full Model Context Protocol (MCP) server management, enabling the
AI assistant to discover and call tools from external MCP servers during
triage conversations.

Backend (Rust):
- rmcp 1.7.0 dependency (client + stdio + Streamable HTTP transports)
- Migration 018: mcp_servers, mcp_tools, mcp_resources tables with
  CHECK constraints for transport_type, auth_type, discovery_status
- src/mcp/ module: models, store, client, adapter, discovery, commands,
  transport/{stdio,http}
- AppState gains mcp_connections: Arc<TokioMutex<HashMap<...>>>
- .setup() hook auto-discovers enabled servers at startup
- 8 new Tauri commands wired into invoke_handler
- execute_mcp_tool_call: PII scan + mandatory audit_log before execution
- Auth values encrypted at rest via integrations::auth::encrypt_token();
  scrubbed before any frontend response

Frontend:
- MCPServers.tsx settings page (/settings/mcp) with server list,
  status badges, Discover Now, Add/Edit modal, enable/disable toggle
- tauriCommands.ts: McpServer, McpTool, McpServerStatus types + 8 cmds
- App.tsx: Plug icon, /settings/mcp route, sidebar nav entry

Tests (TDD): 15 new tests, all green
- 5 migration tests (written before migration, red → green)
- 5 store CRUD + encryption tests
- 5 adapter sanitization + conversion tests

Verification: 185/185 Rust, 94/94 Vitest, clippy -D warnings: 0
2026-05-23 16:23:48 -05:00

190 lines
7.0 KiB
Rust

pub mod ai;
pub mod audit;
pub mod commands;
pub mod db;
pub mod docs;
pub mod integrations;
pub mod mcp;
pub mod ollama;
pub mod pii;
pub mod state;
use sha2::{Digest, Sha256};
use state::AppState;
use std::sync::{Arc, Mutex};
#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
// Initialize tracing subscriber for structured logging
tracing_subscriber::fmt()
.with_env_filter(
tracing_subscriber::EnvFilter::try_from_default_env()
.unwrap_or_else(|_| tracing_subscriber::EnvFilter::new("info")),
)
.init();
tracing::info!("Starting Troubleshooting and RCA Assistant application");
// Determine data directory
let data_dir = dirs_data_dir();
// Initialize database
let conn = db::connection::init_db(&data_dir).expect("Failed to initialize database");
tracing::info!("Database initialized at {:?}", data_dir);
let app_state = AppState {
db: Arc::new(Mutex::new(conn)),
settings: Arc::new(Mutex::new(state::AppSettings::default())),
app_data_dir: data_dir.clone(),
integration_webviews: Arc::new(Mutex::new(std::collections::HashMap::new())),
mcp_connections: Arc::new(tokio::sync::Mutex::new(std::collections::HashMap::new())),
};
let stronghold_salt = format!(
"tftsr-stronghold-salt-v1-{:x}",
Sha256::digest(data_dir.to_string_lossy().as_bytes())
);
tauri::Builder::default()
.plugin(
tauri_plugin_stronghold::Builder::new(move |password| {
let mut hasher = Sha256::new();
hasher.update(password);
hasher.update(stronghold_salt.as_bytes());
hasher.finalize().to_vec()
})
.build(),
)
.plugin(tauri_plugin_dialog::init())
.plugin(tauri_plugin_fs::init())
.plugin(tauri_plugin_shell::init())
.plugin(tauri_plugin_http::init())
.manage(app_state)
.setup(|app| {
let handle = app.handle().clone();
tauri::async_runtime::spawn(async move {
if let Err(e) = crate::mcp::discovery::init_all_servers(&handle).await {
tracing::warn!("MCP startup discovery error: {e}");
}
});
Ok(())
})
.invoke_handler(tauri::generate_handler![
// DB / Issue CRUD
commands::db::create_issue,
commands::db::get_issue,
commands::db::update_issue,
commands::db::delete_issue,
commands::db::list_issues,
commands::db::search_issues,
commands::db::get_issue_messages,
commands::db::add_five_why,
commands::db::update_five_why,
commands::db::add_timeline_event,
commands::db::get_timeline_events,
// Analysis / PII
commands::analysis::upload_log_file,
commands::analysis::upload_log_file_by_content,
commands::analysis::detect_pii,
commands::analysis::apply_redactions,
commands::image::upload_image_attachment,
commands::image::upload_image_attachment_by_content,
commands::image::list_image_attachments,
commands::image::delete_image_attachment,
commands::image::upload_paste_image,
commands::image::upload_file_to_datastore,
commands::image::upload_file_to_datastore_any,
// AI
commands::ai::analyze_logs,
commands::ai::chat_message,
commands::ai::test_provider_connection,
commands::ai::list_providers,
commands::system::save_ai_provider,
commands::system::load_ai_providers,
commands::system::delete_ai_provider,
// Docs
commands::docs::generate_rca,
commands::docs::generate_postmortem,
commands::docs::update_document,
commands::docs::export_document,
// Integrations
commands::integrations::test_confluence_connection,
commands::integrations::publish_to_confluence,
commands::integrations::test_servicenow_connection,
commands::integrations::create_servicenow_incident,
commands::integrations::test_azuredevops_connection,
commands::integrations::create_azuredevops_workitem,
commands::integrations::initiate_oauth,
commands::integrations::handle_oauth_callback,
commands::integrations::authenticate_with_webview,
commands::integrations::extract_cookies_from_webview,
commands::integrations::save_manual_token,
commands::integrations::save_integration_config,
commands::integrations::get_integration_config,
commands::integrations::get_all_integration_configs,
// System / Settings
commands::system::check_ollama_installed,
commands::system::get_ollama_install_guide,
commands::system::list_ollama_models,
commands::system::pull_ollama_model,
commands::system::delete_ollama_model,
commands::system::detect_hardware,
commands::system::recommend_models,
commands::system::get_settings,
commands::system::update_settings,
commands::system::get_audit_log,
commands::system::get_app_version,
// MCP Servers
mcp::commands::list_mcp_servers,
mcp::commands::create_mcp_server,
mcp::commands::update_mcp_server,
mcp::commands::delete_mcp_server,
mcp::commands::toggle_mcp_server,
mcp::commands::discover_mcp_server,
mcp::commands::get_mcp_server_status,
mcp::commands::initiate_mcp_oauth,
])
.run(tauri::generate_context!())
.expect("Error running Troubleshooting and RCA Assistant application");
}
/// Determine the application data directory.
fn dirs_data_dir() -> std::path::PathBuf {
if let Ok(dir) = std::env::var("TFTSR_DATA_DIR") {
return std::path::PathBuf::from(dir);
}
// Use platform-appropriate data directory
#[cfg(target_os = "linux")]
{
if let Ok(xdg) = std::env::var("XDG_DATA_HOME") {
return std::path::PathBuf::from(xdg).join("trcaa");
}
if let Ok(home) = std::env::var("HOME") {
return std::path::PathBuf::from(home)
.join(".local")
.join("share")
.join("trcaa");
}
}
#[cfg(target_os = "macos")]
{
if let Ok(home) = std::env::var("HOME") {
return std::path::PathBuf::from(home)
.join("Library")
.join("Application Support")
.join("trcaa");
}
}
#[cfg(target_os = "windows")]
{
if let Ok(appdata) = std::env::var("APPDATA") {
return std::path::PathBuf::from(appdata).join("trcaa");
}
}
// Fallback
std::path::PathBuf::from("./trcaa-data")
}