src/bin/proxmox-backup-api.rs

   1 use std::future::Future;
   2 use std::pin::Pin;
   3
   4 use anyhow::{bail, Error};
   5 use futures::*;
   6 use http::request::Parts;
   7 use http::Response;
   8 use hyper::{Body, StatusCode};
   9 use hyper::header;
  10
  11 use proxmox::try_block;
  12 use proxmox::api::RpcEnvironmentType;
  13 use proxmox::tools::fs::CreateOptions;
  14
  15 use proxmox_rest_server::{daemon, ApiConfig, RestServer, RestEnvironment};
  16
  17 use proxmox_backup::server::auth::default_api_auth;
  18 use proxmox_backup::auth_helpers::*;
  19 use proxmox_backup::config;
  20
  21 fn main() {
  22     proxmox_backup::tools::setup_safe_path_env();
  23
  24     if let Err(err) = pbs_runtime::main(run()) {
  25         eprintln!("Error: {}", err);
  26         std::process::exit(-1);
  27     }
  28 }
  29
  30 fn get_index<'a>(
  31     _env: RestEnvironment,
  32     _parts: Parts,
  33 ) -> Pin<Box<dyn Future<Output = Response<Body>> + Send + 'a>> {
  34     Box::pin(async move {
  35
  36         let index = "<center><h1>Proxmox Backup API Server</h1></center>";
  37
  38         Response::builder()
  39             .status(StatusCode::OK)
  40             .header(header::CONTENT_TYPE, "text/html")
  41             .body(index.into())
  42             .unwrap()
  43     })
  44 }
  45
  46 async fn run() -> Result<(), Error> {
  47     if let Err(err) = syslog::init(
  48         syslog::Facility::LOG_DAEMON,
  49         log::LevelFilter::Info,
  50         Some("proxmox-backup-api")) {
  51         bail!("unable to inititialize syslog - {}", err);
  52     }
  53
  54     config::create_configdir()?;
  55
  56     config::update_self_signed_cert(false)?;
  57
  58     proxmox_backup::server::create_run_dir()?;
  59
  60     proxmox_backup::rrd::create_rrdb_dir()?;
  61     proxmox_backup::server::jobstate::create_jobstate_dir()?;
  62     proxmox_backup::tape::create_tape_status_dir()?;
  63     proxmox_backup::tape::create_drive_state_dir()?;
  64     proxmox_backup::tape::create_changer_state_dir()?;
  65     proxmox_backup::tape::create_drive_lock_dir()?;
  66
  67     if let Err(err) = generate_auth_key() {
  68         bail!("unable to generate auth key - {}", err);
  69     }
  70     let _ = private_auth_key(); // load with lazy_static
  71
  72     if let Err(err) = generate_csrf_key() {
  73         bail!("unable to generate csrf key - {}", err);
  74     }
  75     let _ = csrf_secret(); // load with lazy_static
  76
  77     let mut config = ApiConfig::new(
  78         pbs_buildcfg::JS_DIR,
  79         &proxmox_backup::api2::ROUTER,
  80         RpcEnvironmentType::PRIVILEGED,
  81         default_api_auth(),
  82         &get_index,
  83     )?;
  84
  85     let backup_user = pbs_config::backup_user()?;
  86     let mut commando_sock = proxmox_rest_server::CommandSocket::new(proxmox_rest_server::our_ctrl_sock(), backup_user.gid);
  87
  88     let dir_opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid);
  89     let file_opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid);
  90
  91     config.enable_access_log(
  92         pbs_buildcfg::API_ACCESS_LOG_FN,
  93         Some(dir_opts.clone()),
  94         Some(file_opts.clone()),
  95         &mut commando_sock,
  96     )?;
  97
  98     config.enable_auth_log(
  99         pbs_buildcfg::API_AUTH_LOG_FN,
 100         Some(dir_opts.clone()),
 101         Some(file_opts.clone()),
 102         &mut commando_sock,
 103     )?;
 104
 105
 106     let rest_server = RestServer::new(config);
 107     proxmox_rest_server::init_worker_tasks(pbs_buildcfg::PROXMOX_BACKUP_LOG_DIR_M!().into(), file_opts.clone())?;
 108
 109     // http server future:
 110     let server = daemon::create_daemon(
 111         ([127,0,0,1], 82).into(),
 112         move |listener| {
 113             let incoming = hyper::server::conn::AddrIncoming::from_listener(listener)?;
 114
 115             Ok(async {
 116                 daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
 117
 118                 hyper::Server::builder(incoming)
 119                     .serve(rest_server)
 120                     .with_graceful_shutdown(proxmox_rest_server::shutdown_future())
 121                     .map_err(Error::from)
 122                     .await
 123             })
 124         },
 125     );
 126
 127     proxmox_rest_server::write_pid(pbs_buildcfg::PROXMOX_BACKUP_API_PID_FN)?;
 128
 129     let init_result: Result<(), Error> = try_block!({
 130         proxmox_rest_server::register_task_control_commands(&mut commando_sock)?;
 131         commando_sock.spawn()?;
 132         proxmox_rest_server::catch_shutdown_signal()?;
 133         proxmox_rest_server::catch_reload_signal()?;
 134         Ok(())
 135     });
 136
 137     if let Err(err) = init_result {
 138         bail!("unable to start daemon - {}", err);
 139     }
 140
 141     server.await?;
 142     log::info!("server shutting down, waiting for active workers to complete");
 143     proxmox_rest_server::last_worker_future().await?;
 144
 145     log::info!("done - exit server");
 146
 147     Ok(())
 148 }