proxmox-backup/src/bin/proxmox-backup-api.rs

166 lines
4.9 KiB
Rust

use std::future::Future;
use std::pin::Pin;
use anyhow::{bail, Error};
use futures::*;
use http::request::Parts;
use http::Response;
use hyper::{Body, Method, StatusCode};
use http::HeaderMap;
use proxmox_lang::try_block;
use proxmox_router::{RpcEnvironmentType, UserInformation};
use proxmox_sys::fs::CreateOptions;
use proxmox_rest_server::{daemon, AuthError, ApiConfig, RestServer, RestEnvironment, ServerAdapter};
use proxmox_backup::server::auth::check_pbs_auth;
use proxmox_backup::auth_helpers::*;
use proxmox_backup::config;
fn main() {
pbs_tools::setup_libc_malloc_opts();
proxmox_backup::tools::setup_safe_path_env();
if let Err(err) = proxmox_async::runtime::main(run()) {
eprintln!("Error: {}", err);
std::process::exit(-1);
}
}
struct ProxmoxBackupApiAdapter;
impl ServerAdapter for ProxmoxBackupApiAdapter {
fn get_index(
&self,
_env: RestEnvironment,
_parts: Parts,
) -> Pin<Box<dyn Future<Output = Response<Body>> + Send>> {
Box::pin(async move {
let index = "<center><h1>Proxmox Backup API Server</h1></center>";
Response::builder()
.status(StatusCode::OK)
.header(hyper::header::CONTENT_TYPE, "text/html")
.body(index.into())
.unwrap()
})
}
fn check_auth<'a>(
&'a self,
headers: &'a HeaderMap,
method: &'a Method,
) -> Pin<Box<dyn Future<Output = Result<(String, Box<dyn UserInformation + Sync + Send>), AuthError>> + Send + 'a>> {
Box::pin(async move {
check_pbs_auth(headers, method).await
})
}
}
async fn run() -> Result<(), Error> {
if let Err(err) = syslog::init(
syslog::Facility::LOG_DAEMON,
log::LevelFilter::Info,
Some("proxmox-backup-api")) {
bail!("unable to inititialize syslog - {}", err);
}
config::create_configdir()?;
config::update_self_signed_cert(false)?;
proxmox_backup::server::create_run_dir()?;
proxmox_backup::server::create_state_dir()?;
proxmox_backup::server::create_active_operations_dir()?;
proxmox_backup::server::jobstate::create_jobstate_dir()?;
proxmox_backup::tape::create_tape_status_dir()?;
proxmox_backup::tape::create_drive_state_dir()?;
proxmox_backup::tape::create_changer_state_dir()?;
proxmox_backup::tape::create_drive_lock_dir()?;
if let Err(err) = generate_auth_key() {
bail!("unable to generate auth key - {}", err);
}
let _ = private_auth_key(); // load with lazy_static
if let Err(err) = generate_csrf_key() {
bail!("unable to generate csrf key - {}", err);
}
let _ = csrf_secret(); // load with lazy_static
let mut config = ApiConfig::new(
pbs_buildcfg::JS_DIR,
&proxmox_backup::api2::ROUTER,
RpcEnvironmentType::PRIVILEGED,
ProxmoxBackupApiAdapter,
)?;
let backup_user = pbs_config::backup_user()?;
let mut commando_sock = proxmox_rest_server::CommandSocket::new(proxmox_rest_server::our_ctrl_sock(), backup_user.gid);
let dir_opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid);
let file_opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid);
config.enable_access_log(
pbs_buildcfg::API_ACCESS_LOG_FN,
Some(dir_opts.clone()),
Some(file_opts.clone()),
&mut commando_sock,
)?;
config.enable_auth_log(
pbs_buildcfg::API_AUTH_LOG_FN,
Some(dir_opts.clone()),
Some(file_opts.clone()),
&mut commando_sock,
)?;
let rest_server = RestServer::new(config);
proxmox_rest_server::init_worker_tasks(pbs_buildcfg::PROXMOX_BACKUP_LOG_DIR_M!().into(), file_opts.clone())?;
// http server future:
let server = daemon::create_daemon(
([127,0,0,1], 82).into(),
move |listener| {
let incoming = hyper::server::conn::AddrIncoming::from_listener(listener)?;
Ok(async {
daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
hyper::Server::builder(incoming)
.serve(rest_server)
.with_graceful_shutdown(proxmox_rest_server::shutdown_future())
.map_err(Error::from)
.await
})
},
);
proxmox_rest_server::write_pid(pbs_buildcfg::PROXMOX_BACKUP_API_PID_FN)?;
let init_result: Result<(), Error> = try_block!({
proxmox_rest_server::register_task_control_commands(&mut commando_sock)?;
commando_sock.spawn()?;
proxmox_rest_server::catch_shutdown_signal()?;
proxmox_rest_server::catch_reload_signal()?;
Ok(())
});
if let Err(err) = init_result {
bail!("unable to start daemon - {}", err);
}
server.await?;
log::info!("server shutting down, waiting for active workers to complete");
proxmox_rest_server::last_worker_future().await?;
log::info!("done - exit server");
Ok(())
}