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, Method, StatusCode};
   9 use http::HeaderMap;
  10
  11 use proxmox_lang::try_block;
  12 use proxmox_router::{RpcEnvironmentType, UserInformation};
  13 use proxmox::tools::fs::CreateOptions;
  14
  15 use proxmox_rest_server::{daemon, AuthError, ApiConfig, RestServer, RestEnvironment, ServerAdapter};
  16
  17 use proxmox_backup::server::auth::check_pbs_auth;
  18 use proxmox_backup::auth_helpers::*;
  19 use proxmox_backup::RRD_CACHE;
  20 use proxmox_backup::config;
  21
  22 fn main() {
  23     proxmox_backup::tools::setup_safe_path_env();
  24
  25     if let Err(err) = pbs_runtime::main(run()) {
  26         eprintln!("Error: {}", err);
  27         std::process::exit(-1);
  28     }
  29 }
  30
  31 struct ProxmoxBackupApiAdapter;
  32
  33 impl ServerAdapter for ProxmoxBackupApiAdapter {
  34
  35     fn get_index(
  36         &self,
  37         _env: RestEnvironment,
  38         _parts: Parts,
  39     ) -> Pin<Box<dyn Future<Output = Response<Body>> + Send>> {
  40         Box::pin(async move {
  41
  42             let index = "<center><h1>Proxmox Backup API Server</h1></center>";
  43
  44             Response::builder()
  45                 .status(StatusCode::OK)
  46                 .header(hyper::header::CONTENT_TYPE, "text/html")
  47                 .body(index.into())
  48                 .unwrap()
  49         })
  50     }
  51
  52     fn check_auth<'a>(
  53         &'a self,
  54         headers: &'a HeaderMap,
  55         method: &'a Method,
  56     ) -> Pin<Box<dyn Future<Output = Result<(String, Box<dyn UserInformation + Sync + Send>), AuthError>> + Send + 'a>> {
  57         Box::pin(async move {
  58             check_pbs_auth(headers, method).await
  59         })
  60     }
  61 }
  62
  63 async fn run() -> Result<(), Error> {
  64     if let Err(err) = syslog::init(
  65         syslog::Facility::LOG_DAEMON,
  66         log::LevelFilter::Info,
  67         Some("proxmox-backup-api")) {
  68         bail!("unable to inititialize syslog - {}", err);
  69     }
  70
  71     config::create_configdir()?;
  72
  73     config::update_self_signed_cert(false)?;
  74
  75     proxmox_backup::server::create_run_dir()?;
  76
  77     RRD_CACHE.create_rrdb_dir()?;
  78
  79     proxmox_backup::server::jobstate::create_jobstate_dir()?;
  80     proxmox_backup::tape::create_tape_status_dir()?;
  81     proxmox_backup::tape::create_drive_state_dir()?;
  82     proxmox_backup::tape::create_changer_state_dir()?;
  83     proxmox_backup::tape::create_drive_lock_dir()?;
  84
  85     if let Err(err) = generate_auth_key() {
  86         bail!("unable to generate auth key - {}", err);
  87     }
  88     let _ = private_auth_key(); // load with lazy_static
  89
  90     if let Err(err) = generate_csrf_key() {
  91         bail!("unable to generate csrf key - {}", err);
  92     }
  93     let _ = csrf_secret(); // load with lazy_static
  94
  95     let mut config = ApiConfig::new(
  96         pbs_buildcfg::JS_DIR,
  97         &proxmox_backup::api2::ROUTER,
  98         RpcEnvironmentType::PRIVILEGED,
  99         ProxmoxBackupApiAdapter,
 100     )?;
 101
 102     let backup_user = pbs_config::backup_user()?;
 103     let mut commando_sock = proxmox_rest_server::CommandSocket::new(proxmox_rest_server::our_ctrl_sock(), backup_user.gid);
 104
 105     let dir_opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid);
 106     let file_opts = CreateOptions::new().owner(backup_user.uid).group(backup_user.gid);
 107
 108     config.enable_access_log(
 109         pbs_buildcfg::API_ACCESS_LOG_FN,
 110         Some(dir_opts.clone()),
 111         Some(file_opts.clone()),
 112         &mut commando_sock,
 113     )?;
 114
 115     config.enable_auth_log(
 116         pbs_buildcfg::API_AUTH_LOG_FN,
 117         Some(dir_opts.clone()),
 118         Some(file_opts.clone()),
 119         &mut commando_sock,
 120     )?;
 121
 122
 123     let rest_server = RestServer::new(config);
 124     proxmox_rest_server::init_worker_tasks(pbs_buildcfg::PROXMOX_BACKUP_LOG_DIR_M!().into(), file_opts.clone())?;
 125
 126     // http server future:
 127     let server = daemon::create_daemon(
 128         ([127,0,0,1], 82).into(),
 129         move |listener| {
 130             let incoming = hyper::server::conn::AddrIncoming::from_listener(listener)?;
 131
 132             Ok(async {
 133                 daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
 134
 135                 hyper::Server::builder(incoming)
 136                     .serve(rest_server)
 137                     .with_graceful_shutdown(proxmox_rest_server::shutdown_future())
 138                     .map_err(Error::from)
 139                     .await
 140             })
 141         },
 142     );
 143
 144     proxmox_rest_server::write_pid(pbs_buildcfg::PROXMOX_BACKUP_API_PID_FN)?;
 145
 146     let init_result: Result<(), Error> = try_block!({
 147         proxmox_rest_server::register_task_control_commands(&mut commando_sock)?;
 148         commando_sock.spawn()?;
 149         proxmox_rest_server::catch_shutdown_signal()?;
 150         proxmox_rest_server::catch_reload_signal()?;
 151         Ok(())
 152     });
 153
 154     if let Err(err) = init_result {
 155         bail!("unable to start daemon - {}", err);
 156     }
 157
 158     server.await?;
 159     log::info!("server shutting down, waiting for active workers to complete");
 160     proxmox_rest_server::last_worker_future().await?;
 161
 162     log::info!("done - exit server");
 163
 164     Ok(())
 165 }