proxmox-backup/src/bin/proxmox-backup-proxy.rs
Thomas Lamprecht 9531d2c570 rust fmt for pbs src
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
2022-04-14 14:03:46 +02:00

1205 lines
39 KiB
Rust

use std::future::Future;
use std::os::unix::io::AsRawFd;
use std::path::{Path, PathBuf};
use std::pin::Pin;
use std::sync::{Arc, Mutex};
use anyhow::{bail, format_err, Error};
use futures::*;
use http::request::Parts;
use http::Response;
use hyper::header;
use hyper::{Body, StatusCode};
use url::form_urlencoded;
use http::{HeaderMap, Method};
use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod};
use serde_json::{json, Value};
use tokio_stream::wrappers::ReceiverStream;
use proxmox_http::client::{RateLimitedStream, ShareableRateLimit};
use proxmox_lang::try_block;
use proxmox_router::{RpcEnvironment, RpcEnvironmentType, UserInformation};
use proxmox_sys::fs::CreateOptions;
use proxmox_sys::linux::socket::set_tcp_keepalive;
use proxmox_sys::logrotate::LogRotate;
use proxmox_sys::{task_log, task_warn};
use pbs_datastore::DataStore;
use proxmox_rest_server::{
cleanup_old_tasks, cookie_from_header, rotate_task_log_archive, ApiConfig, AuthError,
RestEnvironment, RestServer, ServerAdapter, WorkerTask,
};
use proxmox_backup::rrd_cache::{
initialize_rrd_cache, rrd_sync_journal, rrd_update_derive, rrd_update_gauge,
};
use proxmox_backup::{
server::{
auth::check_pbs_auth,
jobstate::{self, Job},
},
traffic_control_cache::TRAFFIC_CONTROL_CACHE,
};
use pbs_buildcfg::configdir;
use proxmox_time::CalendarEvent;
use pbs_api_types::{
Authid, DataStoreConfig, Operation, PruneOptions, SyncJobConfig, TapeBackupJobConfig,
VerificationJobConfig,
};
use proxmox_rest_server::daemon;
use proxmox_backup::auth_helpers::*;
use proxmox_backup::server;
use proxmox_backup::tools::{
disks::{zfs_dataset_stats, DiskManage},
PROXMOX_BACKUP_TCP_KEEPALIVE_TIME,
};
use proxmox_backup::api2::pull::do_sync_job;
use proxmox_backup::api2::tape::backup::do_tape_backup_job;
use proxmox_backup::server::do_prune_job;
use proxmox_backup::server::do_verification_job;
fn main() -> Result<(), Error> {
pbs_tools::setup_libc_malloc_opts();
proxmox_backup::tools::setup_safe_path_env();
let backup_uid = pbs_config::backup_user()?.uid;
let backup_gid = pbs_config::backup_group()?.gid;
let running_uid = nix::unistd::Uid::effective();
let running_gid = nix::unistd::Gid::effective();
if running_uid != backup_uid || running_gid != backup_gid {
bail!(
"proxy not running as backup user or group (got uid {} gid {})",
running_uid,
running_gid
);
}
proxmox_async::runtime::main(run())
}
struct ProxmoxBackupProxyAdapter;
impl ServerAdapter for ProxmoxBackupProxyAdapter {
fn get_index(
&self,
env: RestEnvironment,
parts: Parts,
) -> Pin<Box<dyn Future<Output = Response<Body>> + Send>> {
Box::pin(get_index_future(env, parts))
}
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 })
}
}
/// check for a cookie with the user-preferred language, fallback to the config one if not set or
/// not existing
fn get_language(headers: &http::HeaderMap) -> String {
let exists = |l: &str| Path::new(&format!("/usr/share/pbs-i18n/pbs-lang-{}.js", l)).exists();
match cookie_from_header(headers, "PBSLangCookie") {
Some(cookie_lang) if exists(&cookie_lang) => cookie_lang,
_ => match proxmox_backup::config::node::config().map(|(cfg, _)| cfg.default_lang) {
Ok(Some(default_lang)) if exists(&default_lang) => default_lang,
_ => String::from(""),
},
}
}
async fn get_index_future(env: RestEnvironment, parts: Parts) -> Response<Body> {
let auth_id = env.get_auth_id();
let api = env.api_config();
// fixme: make all IO async
let (userid, csrf_token) = match auth_id {
Some(auth_id) => {
let auth_id = auth_id.parse::<Authid>();
match auth_id {
Ok(auth_id) if !auth_id.is_token() => {
let userid = auth_id.user().clone();
let new_csrf_token = assemble_csrf_prevention_token(csrf_secret(), &userid);
(Some(userid), Some(new_csrf_token))
}
_ => (None, None),
}
}
None => (None, None),
};
let nodename = proxmox_sys::nodename();
let user = userid.as_ref().map(|u| u.as_str()).unwrap_or("");
let csrf_token = csrf_token.unwrap_or_else(|| String::from(""));
let mut debug = false;
let mut template_file = "index";
if let Some(query_str) = parts.uri.query() {
for (k, v) in form_urlencoded::parse(query_str.as_bytes()).into_owned() {
if k == "debug" && v != "0" && v != "false" {
debug = true;
} else if k == "console" {
template_file = "console";
}
}
}
let data = json!({
"NodeName": nodename,
"UserName": user,
"CSRFPreventionToken": csrf_token,
"language": get_language(&parts.headers),
"debug": debug,
});
let (ct, index) = match api.render_template(template_file, &data) {
Ok(index) => ("text/html", index),
Err(err) => ("text/plain", format!("Error rendering template: {}", err)),
};
let mut resp = Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, ct)
.body(index.into())
.unwrap();
if let Some(userid) = userid {
resp.extensions_mut().insert(Authid::from((userid, None)));
}
resp
}
async fn run() -> Result<(), Error> {
// Note: To debug early connection error use
// PROXMOX_DEBUG=1 ./target/release/proxmox-backup-proxy
let debug = std::env::var("PROXMOX_DEBUG").is_ok();
if let Err(err) = syslog::init(
syslog::Facility::LOG_DAEMON,
if debug {
log::LevelFilter::Debug
} else {
log::LevelFilter::Info
},
Some("proxmox-backup-proxy"),
) {
bail!("unable to inititialize syslog - {}", err);
}
let _ = public_auth_key(); // load with lazy_static
let _ = csrf_secret(); // load with lazy_static
let rrd_cache = initialize_rrd_cache()?;
rrd_cache.apply_journal()?;
let mut config = ApiConfig::new(
pbs_buildcfg::JS_DIR,
&proxmox_backup::api2::ROUTER,
RpcEnvironmentType::PUBLIC,
ProxmoxBackupProxyAdapter,
)?;
config.add_alias("novnc", "/usr/share/novnc-pve");
config.add_alias("extjs", "/usr/share/javascript/extjs");
config.add_alias("qrcodejs", "/usr/share/javascript/qrcodejs");
config.add_alias("fontawesome", "/usr/share/fonts-font-awesome");
config.add_alias("xtermjs", "/usr/share/pve-xtermjs");
config.add_alias("locale", "/usr/share/pbs-i18n");
config.add_alias(
"widgettoolkit",
"/usr/share/javascript/proxmox-widget-toolkit",
);
config.add_alias("docs", "/usr/share/doc/proxmox-backup/html");
let mut indexpath = PathBuf::from(pbs_buildcfg::JS_DIR);
indexpath.push("index.hbs");
config.register_template("index", &indexpath)?;
config.register_template("console", "/usr/share/pve-xtermjs/index.html.hbs")?;
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(),
)?;
//openssl req -x509 -newkey rsa:4096 -keyout /etc/proxmox-backup/proxy.key -out /etc/proxmox-backup/proxy.pem -nodes
// we build the initial acceptor here as we cannot start if this fails
let acceptor = make_tls_acceptor()?;
let acceptor = Arc::new(Mutex::new(acceptor));
// to renew the acceptor we just add a command-socket handler
commando_sock.register_command("reload-certificate".to_string(), {
let acceptor = Arc::clone(&acceptor);
move |_value| -> Result<_, Error> {
log::info!("reloading certificate");
match make_tls_acceptor() {
Err(err) => log::error!("error reloading certificate: {}", err),
Ok(new_acceptor) => {
let mut guard = acceptor.lock().unwrap();
*guard = new_acceptor;
}
}
Ok(Value::Null)
}
})?;
// to remove references for not configured datastores
commando_sock.register_command("datastore-removed".to_string(), |_value| {
if let Err(err) = DataStore::remove_unused_datastores() {
log::error!("could not refresh datastores: {}", err);
}
Ok(Value::Null)
})?;
let server = daemon::create_daemon(([0, 0, 0, 0, 0, 0, 0, 0], 8007).into(), move |listener| {
let connections = accept_connections(listener, acceptor, debug);
let connections = hyper::server::accept::from_stream(ReceiverStream::new(connections));
Ok(async {
daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
hyper::Server::builder(connections)
.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_PROXY_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);
}
start_task_scheduler();
start_stat_generator();
start_traffic_control_updater();
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(())
}
fn make_tls_acceptor() -> Result<SslAcceptor, Error> {
let key_path = configdir!("/proxy.key");
let cert_path = configdir!("/proxy.pem");
let (config, _) = proxmox_backup::config::node::config()?;
let ciphers_tls_1_3 = config.ciphers_tls_1_3;
let ciphers_tls_1_2 = config.ciphers_tls_1_2;
let mut acceptor = SslAcceptor::mozilla_intermediate_v5(SslMethod::tls()).unwrap();
if let Some(ciphers) = ciphers_tls_1_3.as_deref() {
acceptor.set_ciphersuites(ciphers)?;
}
if let Some(ciphers) = ciphers_tls_1_2.as_deref() {
acceptor.set_cipher_list(ciphers)?;
}
acceptor
.set_private_key_file(key_path, SslFiletype::PEM)
.map_err(|err| format_err!("unable to read proxy key {} - {}", key_path, err))?;
acceptor
.set_certificate_chain_file(cert_path)
.map_err(|err| format_err!("unable to read proxy cert {} - {}", cert_path, err))?;
acceptor.set_options(openssl::ssl::SslOptions::NO_RENEGOTIATION);
acceptor.check_private_key().unwrap();
Ok(acceptor.build())
}
type ClientStreamResult = Result<
std::pin::Pin<Box<tokio_openssl::SslStream<RateLimitedStream<tokio::net::TcpStream>>>>,
Error,
>;
const MAX_PENDING_ACCEPTS: usize = 1024;
fn accept_connections(
listener: tokio::net::TcpListener,
acceptor: Arc<Mutex<openssl::ssl::SslAcceptor>>,
debug: bool,
) -> tokio::sync::mpsc::Receiver<ClientStreamResult> {
let (sender, receiver) = tokio::sync::mpsc::channel(MAX_PENDING_ACCEPTS);
tokio::spawn(accept_connection(listener, acceptor, debug, sender));
receiver
}
async fn accept_connection(
listener: tokio::net::TcpListener,
acceptor: Arc<Mutex<openssl::ssl::SslAcceptor>>,
debug: bool,
sender: tokio::sync::mpsc::Sender<ClientStreamResult>,
) {
let accept_counter = Arc::new(());
loop {
let (sock, peer) = match listener.accept().await {
Ok(conn) => conn,
Err(err) => {
eprintln!("error accepting tcp connection: {}", err);
continue;
}
};
sock.set_nodelay(true).unwrap();
let _ = set_tcp_keepalive(sock.as_raw_fd(), PROXMOX_BACKUP_TCP_KEEPALIVE_TIME);
let sock =
RateLimitedStream::with_limiter_update_cb(sock, move || lookup_rate_limiter(peer));
let ssl = {
// limit acceptor_guard scope
// Acceptor can be reloaded using the command socket "reload-certificate" command
let acceptor_guard = acceptor.lock().unwrap();
match openssl::ssl::Ssl::new(acceptor_guard.context()) {
Ok(ssl) => ssl,
Err(err) => {
eprintln!(
"failed to create Ssl object from Acceptor context - {}",
err
);
continue;
}
}
};
let stream = match tokio_openssl::SslStream::new(ssl, sock) {
Ok(stream) => stream,
Err(err) => {
eprintln!(
"failed to create SslStream using ssl and connection socket - {}",
err
);
continue;
}
};
let mut stream = Box::pin(stream);
let sender = sender.clone();
if Arc::strong_count(&accept_counter) > MAX_PENDING_ACCEPTS {
eprintln!("connection rejected - to many open connections");
continue;
}
let accept_counter = Arc::clone(&accept_counter);
tokio::spawn(async move {
let accept_future =
tokio::time::timeout(Duration::new(10, 0), stream.as_mut().accept());
let result = accept_future.await;
match result {
Ok(Ok(())) => {
if sender.send(Ok(stream)).await.is_err() && debug {
eprintln!("detect closed connection channel");
}
}
Ok(Err(err)) => {
if debug {
eprintln!("https handshake failed - {}", err);
}
}
Err(_) => {
if debug {
eprintln!("https handshake timeout");
}
}
}
drop(accept_counter); // decrease reference count
});
}
}
fn start_stat_generator() {
let abort_future = proxmox_rest_server::shutdown_future();
let future = Box::pin(run_stat_generator());
let task = futures::future::select(future, abort_future);
tokio::spawn(task.map(|_| ()));
}
fn start_task_scheduler() {
let abort_future = proxmox_rest_server::shutdown_future();
let future = Box::pin(run_task_scheduler());
let task = futures::future::select(future, abort_future);
tokio::spawn(task.map(|_| ()));
}
fn start_traffic_control_updater() {
let abort_future = proxmox_rest_server::shutdown_future();
let future = Box::pin(run_traffic_control_updater());
let task = futures::future::select(future, abort_future);
tokio::spawn(task.map(|_| ()));
}
use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
fn next_minute() -> Result<Instant, Error> {
let now = SystemTime::now();
let epoch_now = now.duration_since(UNIX_EPOCH)?;
let epoch_next = Duration::from_secs((epoch_now.as_secs() / 60 + 1) * 60);
Ok(Instant::now() + epoch_next - epoch_now)
}
async fn run_task_scheduler() {
let mut count: usize = 0;
loop {
count += 1;
let delay_target = match next_minute() {
// try to run very minute
Ok(d) => d,
Err(err) => {
eprintln!("task scheduler: compute next minute failed - {}", err);
tokio::time::sleep_until(tokio::time::Instant::from_std(
Instant::now() + Duration::from_secs(60),
))
.await;
continue;
}
};
if count > 2 {
// wait 1..2 minutes before starting
match schedule_tasks().catch_unwind().await {
Err(panic) => match panic.downcast::<&str>() {
Ok(msg) => {
eprintln!("task scheduler panic: {}", msg);
}
Err(_) => {
eprintln!("task scheduler panic - unknown type");
}
},
Ok(Err(err)) => {
eprintln!("task scheduler failed - {:?}", err);
}
Ok(Ok(_)) => {}
}
}
tokio::time::sleep_until(tokio::time::Instant::from_std(delay_target)).await;
}
}
async fn schedule_tasks() -> Result<(), Error> {
schedule_datastore_garbage_collection().await;
schedule_datastore_prune().await;
schedule_datastore_sync_jobs().await;
schedule_datastore_verify_jobs().await;
schedule_tape_backup_jobs().await;
schedule_task_log_rotate().await;
Ok(())
}
async fn schedule_datastore_garbage_collection() {
let config = match pbs_config::datastore::config() {
Err(err) => {
eprintln!("unable to read datastore config - {}", err);
return;
}
Ok((config, _digest)) => config,
};
for (store, (_, store_config)) in config.sections {
let datastore = match DataStore::lookup_datastore(&store, Some(Operation::Write)) {
Ok(datastore) => datastore,
Err(err) => {
eprintln!("lookup_datastore failed - {}", err);
continue;
}
};
let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
Ok(c) => c,
Err(err) => {
eprintln!("datastore config from_value failed - {}", err);
continue;
}
};
let event_str = match store_config.gc_schedule {
Some(event_str) => event_str,
None => continue,
};
let event: CalendarEvent = match event_str.parse() {
Ok(event) => event,
Err(err) => {
eprintln!("unable to parse schedule '{}' - {}", event_str, err);
continue;
}
};
if datastore.garbage_collection_running() {
continue;
}
let worker_type = "garbage_collection";
let last = match jobstate::last_run_time(worker_type, &store) {
Ok(time) => time,
Err(err) => {
eprintln!(
"could not get last run time of {} {}: {}",
worker_type, store, err
);
continue;
}
};
let next = match event.compute_next_event(last) {
Ok(Some(next)) => next,
Ok(None) => continue,
Err(err) => {
eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
continue;
}
};
let now = proxmox_time::epoch_i64();
if next > now {
continue;
}
let job = match Job::new(worker_type, &store) {
Ok(job) => job,
Err(_) => continue, // could not get lock
};
let auth_id = Authid::root_auth_id();
if let Err(err) = crate::server::do_garbage_collection_job(
job,
datastore,
auth_id,
Some(event_str),
false,
) {
eprintln!(
"unable to start garbage collection job on datastore {} - {}",
store, err
);
}
}
}
async fn schedule_datastore_prune() {
let config = match pbs_config::datastore::config() {
Err(err) => {
eprintln!("unable to read datastore config - {}", err);
return;
}
Ok((config, _digest)) => config,
};
for (store, (_, store_config)) in config.sections {
let store_config: DataStoreConfig = match serde_json::from_value(store_config) {
Ok(c) => c,
Err(err) => {
eprintln!("datastore '{}' config from_value failed - {}", store, err);
continue;
}
};
let event_str = match store_config.prune_schedule {
Some(event_str) => event_str,
None => continue,
};
let prune_options = PruneOptions {
keep_last: store_config.keep_last,
keep_hourly: store_config.keep_hourly,
keep_daily: store_config.keep_daily,
keep_weekly: store_config.keep_weekly,
keep_monthly: store_config.keep_monthly,
keep_yearly: store_config.keep_yearly,
};
if !pbs_datastore::prune::keeps_something(&prune_options) {
// no prune settings - keep all
continue;
}
let worker_type = "prune";
if check_schedule(worker_type, &event_str, &store) {
let job = match Job::new(worker_type, &store) {
Ok(job) => job,
Err(_) => continue, // could not get lock
};
let auth_id = Authid::root_auth_id().clone();
if let Err(err) =
do_prune_job(job, prune_options, store.clone(), &auth_id, Some(event_str))
{
eprintln!("unable to start datastore prune job {} - {}", &store, err);
}
};
}
}
async fn schedule_datastore_sync_jobs() {
let config = match pbs_config::sync::config() {
Err(err) => {
eprintln!("unable to read sync job config - {}", err);
return;
}
Ok((config, _digest)) => config,
};
for (job_id, (_, job_config)) in config.sections {
let job_config: SyncJobConfig = match serde_json::from_value(job_config) {
Ok(c) => c,
Err(err) => {
eprintln!("sync job config from_value failed - {}", err);
continue;
}
};
let event_str = match job_config.schedule {
Some(ref event_str) => event_str.clone(),
None => continue,
};
let worker_type = "syncjob";
if check_schedule(worker_type, &event_str, &job_id) {
let job = match Job::new(worker_type, &job_id) {
Ok(job) => job,
Err(_) => continue, // could not get lock
};
let auth_id = Authid::root_auth_id().clone();
if let Err(err) = do_sync_job(job, job_config, &auth_id, Some(event_str), false) {
eprintln!("unable to start datastore sync job {} - {}", &job_id, err);
}
};
}
}
async fn schedule_datastore_verify_jobs() {
let config = match pbs_config::verify::config() {
Err(err) => {
eprintln!("unable to read verification job config - {}", err);
return;
}
Ok((config, _digest)) => config,
};
for (job_id, (_, job_config)) in config.sections {
let job_config: VerificationJobConfig = match serde_json::from_value(job_config) {
Ok(c) => c,
Err(err) => {
eprintln!("verification job config from_value failed - {}", err);
continue;
}
};
let event_str = match job_config.schedule {
Some(ref event_str) => event_str.clone(),
None => continue,
};
let worker_type = "verificationjob";
let auth_id = Authid::root_auth_id().clone();
if check_schedule(worker_type, &event_str, &job_id) {
let job = match Job::new(worker_type, &job_id) {
Ok(job) => job,
Err(_) => continue, // could not get lock
};
if let Err(err) = do_verification_job(job, job_config, &auth_id, Some(event_str), false)
{
eprintln!(
"unable to start datastore verification job {} - {}",
&job_id, err
);
}
};
}
}
async fn schedule_tape_backup_jobs() {
let config = match pbs_config::tape_job::config() {
Err(err) => {
eprintln!("unable to read tape job config - {}", err);
return;
}
Ok((config, _digest)) => config,
};
for (job_id, (_, job_config)) in config.sections {
let job_config: TapeBackupJobConfig = match serde_json::from_value(job_config) {
Ok(c) => c,
Err(err) => {
eprintln!("tape backup job config from_value failed - {}", err);
continue;
}
};
let event_str = match job_config.schedule {
Some(ref event_str) => event_str.clone(),
None => continue,
};
let worker_type = "tape-backup-job";
let auth_id = Authid::root_auth_id().clone();
if check_schedule(worker_type, &event_str, &job_id) {
let job = match Job::new(worker_type, &job_id) {
Ok(job) => job,
Err(_) => continue, // could not get lock
};
if let Err(err) =
do_tape_backup_job(job, job_config.setup, &auth_id, Some(event_str), false)
{
eprintln!("unable to start tape backup job {} - {}", &job_id, err);
}
};
}
}
async fn schedule_task_log_rotate() {
let worker_type = "logrotate";
let job_id = "access-log_and_task-archive";
// schedule daily at 00:00 like normal logrotate
let schedule = "00:00";
if !check_schedule(worker_type, schedule, job_id) {
// if we never ran the rotation, schedule instantly
match jobstate::JobState::load(worker_type, job_id) {
Ok(state) => match state {
jobstate::JobState::Created { .. } => {}
_ => return,
},
_ => return,
}
}
let mut job = match Job::new(worker_type, job_id) {
Ok(job) => job,
Err(_) => return, // could not get lock
};
if let Err(err) = WorkerTask::new_thread(
worker_type,
None,
Authid::root_auth_id().to_string(),
false,
move |worker| {
job.start(&worker.upid().to_string())?;
task_log!(worker, "starting task log rotation");
let result = try_block!({
let max_size = 512 * 1024 - 1; // an entry has ~ 100b, so > 5000 entries/file
let max_files = 20; // times twenty files gives > 100000 task entries
let max_days = proxmox_backup::config::node::config()
.map(|(cfg, _)| cfg.task_log_max_days)
.ok()
.flatten();
let user = pbs_config::backup_user()?;
let options = proxmox_sys::fs::CreateOptions::new()
.owner(user.uid)
.group(user.gid);
let has_rotated = rotate_task_log_archive(
max_size,
true,
Some(max_files),
max_days,
Some(options.clone()),
)?;
if has_rotated {
task_log!(worker, "task log archive was rotated");
} else {
task_log!(worker, "task log archive was not rotated");
}
let max_size = 32 * 1024 * 1024 - 1;
let max_files = 14;
let mut logrotate = LogRotate::new(
pbs_buildcfg::API_ACCESS_LOG_FN,
true,
Some(max_files),
Some(options.clone()),
)?;
if logrotate.rotate(max_size)? {
println!("rotated access log, telling daemons to re-open log file");
proxmox_async::runtime::block_on(command_reopen_access_logfiles())?;
task_log!(worker, "API access log was rotated");
} else {
task_log!(worker, "API access log was not rotated");
}
let mut logrotate = LogRotate::new(
pbs_buildcfg::API_AUTH_LOG_FN,
true,
Some(max_files),
Some(options),
)?;
if logrotate.rotate(max_size)? {
println!("rotated auth log, telling daemons to re-open log file");
proxmox_async::runtime::block_on(command_reopen_auth_logfiles())?;
task_log!(worker, "API authentication log was rotated");
} else {
task_log!(worker, "API authentication log was not rotated");
}
if has_rotated {
task_log!(worker, "cleaning up old task logs");
if let Err(err) = cleanup_old_tasks(&worker, true) {
task_warn!(worker, "could not completely cleanup old tasks: {}", err);
}
}
Ok(())
});
let status = worker.create_state(&result);
if let Err(err) = job.finish(status) {
eprintln!("could not finish job state for {}: {}", worker_type, err);
}
result
},
) {
eprintln!("unable to start task log rotation: {}", err);
}
}
async fn command_reopen_access_logfiles() -> Result<(), Error> {
// only care about the most recent daemon instance for each, proxy & api, as other older ones
// should not respond to new requests anyway, but only finish their current one and then exit.
let sock = proxmox_rest_server::our_ctrl_sock();
let f1 =
proxmox_rest_server::send_raw_command(sock, "{\"command\":\"api-access-log-reopen\"}\n");
let pid = proxmox_rest_server::read_pid(pbs_buildcfg::PROXMOX_BACKUP_API_PID_FN)?;
let sock = proxmox_rest_server::ctrl_sock_from_pid(pid);
let f2 =
proxmox_rest_server::send_raw_command(sock, "{\"command\":\"api-access-log-reopen\"}\n");
match futures::join!(f1, f2) {
(Err(e1), Err(e2)) => Err(format_err!(
"reopen commands failed, proxy: {}; api: {}",
e1,
e2
)),
(Err(e1), Ok(_)) => Err(format_err!("reopen commands failed, proxy: {}", e1)),
(Ok(_), Err(e2)) => Err(format_err!("reopen commands failed, api: {}", e2)),
_ => Ok(()),
}
}
async fn command_reopen_auth_logfiles() -> Result<(), Error> {
// only care about the most recent daemon instance for each, proxy & api, as other older ones
// should not respond to new requests anyway, but only finish their current one and then exit.
let sock = proxmox_rest_server::our_ctrl_sock();
let f1 = proxmox_rest_server::send_raw_command(sock, "{\"command\":\"api-auth-log-reopen\"}\n");
let pid = proxmox_rest_server::read_pid(pbs_buildcfg::PROXMOX_BACKUP_API_PID_FN)?;
let sock = proxmox_rest_server::ctrl_sock_from_pid(pid);
let f2 = proxmox_rest_server::send_raw_command(sock, "{\"command\":\"api-auth-log-reopen\"}\n");
match futures::join!(f1, f2) {
(Err(e1), Err(e2)) => Err(format_err!(
"reopen commands failed, proxy: {}; api: {}",
e1,
e2
)),
(Err(e1), Ok(_)) => Err(format_err!("reopen commands failed, proxy: {}", e1)),
(Ok(_), Err(e2)) => Err(format_err!("reopen commands failed, api: {}", e2)),
_ => Ok(()),
}
}
async fn run_stat_generator() {
loop {
let delay_target = Instant::now() + Duration::from_secs(10);
generate_host_stats().await;
rrd_sync_journal();
tokio::time::sleep_until(tokio::time::Instant::from_std(delay_target)).await;
}
}
async fn generate_host_stats() {
match tokio::task::spawn_blocking(generate_host_stats_sync).await {
Ok(()) => (),
Err(err) => log::error!("generate_host_stats paniced: {}", err),
}
}
fn generate_host_stats_sync() {
use proxmox_sys::linux::procfs::{
read_loadavg, read_meminfo, read_proc_net_dev, read_proc_stat,
};
match read_proc_stat() {
Ok(stat) => {
rrd_update_gauge("host/cpu", stat.cpu);
rrd_update_gauge("host/iowait", stat.iowait_percent);
}
Err(err) => {
eprintln!("read_proc_stat failed - {}", err);
}
}
match read_meminfo() {
Ok(meminfo) => {
rrd_update_gauge("host/memtotal", meminfo.memtotal as f64);
rrd_update_gauge("host/memused", meminfo.memused as f64);
rrd_update_gauge("host/swaptotal", meminfo.swaptotal as f64);
rrd_update_gauge("host/swapused", meminfo.swapused as f64);
}
Err(err) => {
eprintln!("read_meminfo failed - {}", err);
}
}
match read_proc_net_dev() {
Ok(netdev) => {
use pbs_config::network::is_physical_nic;
let mut netin = 0;
let mut netout = 0;
for item in netdev {
if !is_physical_nic(&item.device) {
continue;
}
netin += item.receive;
netout += item.send;
}
rrd_update_derive("host/netin", netin as f64);
rrd_update_derive("host/netout", netout as f64);
}
Err(err) => {
eprintln!("read_prox_net_dev failed - {}", err);
}
}
match read_loadavg() {
Ok(loadavg) => {
rrd_update_gauge("host/loadavg", loadavg.0 as f64);
}
Err(err) => {
eprintln!("read_loadavg failed - {}", err);
}
}
let disk_manager = DiskManage::new();
gather_disk_stats(disk_manager.clone(), Path::new("/"), "host");
match pbs_config::datastore::config() {
Ok((config, _)) => {
let datastore_list: Vec<DataStoreConfig> = config
.convert_to_typed_array("datastore")
.unwrap_or_default();
for config in datastore_list {
let rrd_prefix = format!("datastore/{}", config.name);
let path = std::path::Path::new(&config.path);
gather_disk_stats(disk_manager.clone(), path, &rrd_prefix);
}
}
Err(err) => {
eprintln!("read datastore config failed - {}", err);
}
}
}
fn check_schedule(worker_type: &str, event_str: &str, id: &str) -> bool {
let event: CalendarEvent = match event_str.parse() {
Ok(event) => event,
Err(err) => {
eprintln!("unable to parse schedule '{}' - {}", event_str, err);
return false;
}
};
let last = match jobstate::last_run_time(worker_type, id) {
Ok(time) => time,
Err(err) => {
eprintln!(
"could not get last run time of {} {}: {}",
worker_type, id, err
);
return false;
}
};
let next = match event.compute_next_event(last) {
Ok(Some(next)) => next,
Ok(None) => return false,
Err(err) => {
eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
return false;
}
};
let now = proxmox_time::epoch_i64();
next <= now
}
fn gather_disk_stats(disk_manager: Arc<DiskManage>, path: &Path, rrd_prefix: &str) {
match proxmox_backup::tools::disks::disk_usage(path) {
Ok(status) => {
let rrd_key = format!("{}/total", rrd_prefix);
rrd_update_gauge(&rrd_key, status.total as f64);
let rrd_key = format!("{}/used", rrd_prefix);
rrd_update_gauge(&rrd_key, status.used as f64);
}
Err(err) => {
eprintln!("read disk_usage on {:?} failed - {}", path, err);
}
}
match disk_manager.find_mounted_device(path) {
Ok(None) => {}
Ok(Some((fs_type, device, source))) => {
let mut device_stat = None;
match (fs_type.as_str(), source) {
("zfs", Some(source)) => match source.into_string() {
Ok(dataset) => match zfs_dataset_stats(&dataset) {
Ok(stat) => device_stat = Some(stat),
Err(err) => eprintln!("zfs_dataset_stats({:?}) failed - {}", dataset, err),
},
Err(source) => {
eprintln!("zfs_pool_stats({:?}) failed - invalid characters", source)
}
},
_ => {
if let Ok(disk) = disk_manager.clone().disk_by_dev_num(device.into_dev_t()) {
match disk.read_stat() {
Ok(stat) => device_stat = stat,
Err(err) => eprintln!("disk.read_stat {:?} failed - {}", path, err),
}
}
}
}
if let Some(stat) = device_stat {
let rrd_key = format!("{}/read_ios", rrd_prefix);
rrd_update_derive(&rrd_key, stat.read_ios as f64);
let rrd_key = format!("{}/read_bytes", rrd_prefix);
rrd_update_derive(&rrd_key, (stat.read_sectors * 512) as f64);
let rrd_key = format!("{}/write_ios", rrd_prefix);
rrd_update_derive(&rrd_key, stat.write_ios as f64);
let rrd_key = format!("{}/write_bytes", rrd_prefix);
rrd_update_derive(&rrd_key, (stat.write_sectors * 512) as f64);
let rrd_key = format!("{}/io_ticks", rrd_prefix);
rrd_update_derive(&rrd_key, (stat.io_ticks as f64) / 1000.0);
}
}
Err(err) => {
eprintln!("find_mounted_device failed - {}", err);
}
}
}
// Rate Limiter lookup
// Test WITH
// proxmox-backup-client restore vm/201/2021-10-22T09:55:56Z drive-scsi0.img img1.img --repository localhost:store2
async fn run_traffic_control_updater() {
loop {
let delay_target = Instant::now() + Duration::from_secs(1);
{
let mut cache = TRAFFIC_CONTROL_CACHE.lock().unwrap();
cache.compute_current_rates();
}
tokio::time::sleep_until(tokio::time::Instant::from_std(delay_target)).await;
}
}
fn lookup_rate_limiter(
peer: std::net::SocketAddr,
) -> (
Option<Arc<dyn ShareableRateLimit>>,
Option<Arc<dyn ShareableRateLimit>>,
) {
let mut cache = TRAFFIC_CONTROL_CACHE.lock().unwrap();
let now = proxmox_time::epoch_i64();
cache.reload(now);
let (_rule_name, read_limiter, write_limiter) = cache.lookup_rate_limiter(peer, now);
(read_limiter, write_limiter)
}