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

767 lines
26 KiB
Rust
Raw Normal View History

use std::sync::Arc;
use std::path::Path;
use anyhow::{bail, format_err, Error};
use futures::*;
use hyper;
use openssl::ssl::{SslMethod, SslAcceptor, SslFiletype};
use proxmox::try_block;
use proxmox::api::RpcEnvironmentType;
use proxmox_backup::configdir;
use proxmox_backup::buildcfg;
use proxmox_backup::server;
use proxmox_backup::tools::daemon;
use proxmox_backup::server::{ApiConfig, rest::*};
2019-01-29 16:21:58 +00:00
use proxmox_backup::auth_helpers::*;
use proxmox_backup::tools::disks::{ DiskManage, zfs_pool_stats };
fn main() {
if let Err(err) = proxmox_backup::tools::runtime::main(run()) {
eprintln!("Error: {}", err);
std::process::exit(-1);
}
}
async fn run() -> Result<(), Error> {
if let Err(err) = syslog::init(
syslog::Facility::LOG_DAEMON,
log::LevelFilter::Info,
Some("proxmox-backup-proxy")) {
bail!("unable to inititialize syslog - {}", err);
}
2019-01-29 16:21:58 +00:00
let _ = public_auth_key(); // load with lazy_static
let _ = csrf_secret(); // load with lazy_static
let mut config = ApiConfig::new(
buildcfg::JS_DIR, &proxmox_backup::api2::ROUTER, RpcEnvironmentType::PUBLIC)?;
// add default dirs which includes jquery and bootstrap
// my $base = '/usr/share/libpve-http-server-perl';
// add_dirs($self->{dirs}, '/css/' => "$base/css/");
// add_dirs($self->{dirs}, '/js/' => "$base/js/");
// add_dirs($self->{dirs}, '/fonts/' => "$base/fonts/");
config.add_alias("novnc", "/usr/share/novnc-pve");
config.add_alias("extjs", "/usr/share/javascript/extjs");
config.add_alias("fontawesome", "/usr/share/fonts-font-awesome");
config.add_alias("xtermjs", "/usr/share/pve-xtermjs");
config.add_alias("widgettoolkit", "/usr/share/javascript/proxmox-widget-toolkit");
config.add_alias("css", "/usr/share/javascript/proxmox-backup/css");
config.add_alias("docs", "/usr/share/doc/proxmox-backup/html");
let rest_server = RestServer::new(config);
//openssl req -x509 -newkey rsa:4096 -keyout /etc/proxmox-backup/proxy.key -out /etc/proxmox-backup/proxy.pem -nodes
let key_path = configdir!("/proxy.key");
let cert_path = configdir!("/proxy.pem");
let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
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.check_private_key().unwrap();
let acceptor = Arc::new(acceptor.build());
let server = daemon::create_daemon(
([0,0,0,0,0,0,0,0], 8007).into(),
|listener, ready| {
let connections = proxmox_backup::tools::async_io::StaticIncoming::from(listener)
.map_err(Error::from)
.try_filter_map(move |(sock, _addr)| {
let acceptor = Arc::clone(&acceptor);
async move {
sock.set_nodelay(true).unwrap();
sock.set_send_buffer_size(1024*1024).unwrap();
sock.set_recv_buffer_size(1024*1024).unwrap();
Ok(tokio_openssl::accept(&acceptor, sock)
.await
.ok() // handshake errors aren't be fatal, so return None to filter
)
}
});
let connections = proxmox_backup::tools::async_io::HyperAccept(connections);
Ok(ready
.and_then(|_| hyper::Server::builder(connections)
.serve(rest_server)
.with_graceful_shutdown(server::shutdown_future())
.map_err(Error::from)
)
.map_err(|err| eprintln!("server error: {}", err))
.map(|_| ())
)
},
);
daemon::systemd_notify(daemon::SystemdNotify::Ready)?;
let init_result: Result<(), Error> = try_block!({
server::create_task_control_socket()?;
server::server_state_init()?;
Ok(())
});
if let Err(err) = init_result {
bail!("unable to start daemon - {}", err);
}
start_task_scheduler();
start_stat_generator();
server.await?;
log::info!("server shutting down, waiting for active workers to complete");
proxmox_backup::server::last_worker_future().await?;
log::info!("done - exit server");
Ok(())
}
fn start_stat_generator() {
let abort_future = 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 = server::shutdown_future();
let future = Box::pin(run_task_scheduler());
let task = futures::future::select(future, abort_future);
tokio::spawn(task.map(|_| ()));
}
use std::time:: {Instant, Duration, SystemTime, UNIX_EPOCH};
fn next_minute() -> Result<Instant, Error> {
let epoch_now = SystemTime::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::delay_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::delay_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;
Ok(())
}
fn lookup_last_worker(worker_type: &str, worker_id: &str) -> Result<Option<server::UPID>, Error> {
let list = proxmox_backup::server::read_task_list()?;
let mut last: Option<&server::UPID> = None;
for entry in list.iter() {
if entry.upid.worker_type == worker_type {
if let Some(ref id) = entry.upid.worker_id {
if id == worker_id {
match last {
Some(ref upid) => {
if upid.starttime < entry.upid.starttime {
last = Some(&entry.upid)
}
}
None => {
last = Some(&entry.upid)
}
}
}
}
}
}
Ok(last.cloned())
}
async fn schedule_datastore_garbage_collection() {
use proxmox_backup::backup::DataStore;
use proxmox_backup::server::{UPID, WorkerTask};
use proxmox_backup::config::datastore::{self, DataStoreConfig};
use proxmox_backup::tools::systemd::time::{
parse_calendar_event, compute_next_event};
let config = match 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) {
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 = match parse_calendar_event(&event_str) {
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 stat = datastore.last_gc_status();
let last = if let Some(upid_str) = stat.upid {
match upid_str.parse::<UPID>() {
Ok(upid) => upid.starttime,
Err(err) => {
eprintln!("unable to parse upid '{}' - {}", upid_str, err);
continue;
}
}
} else {
match lookup_last_worker(worker_type, &store) {
Ok(Some(upid)) => upid.starttime,
Ok(None) => 0,
Err(err) => {
eprintln!("lookup_last_job_start failed: {}", err);
continue;
}
}
};
let next = match compute_next_event(&event, last, false) {
Ok(next) => next,
Err(err) => {
eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
continue;
}
};
let now = match SystemTime::now().duration_since(UNIX_EPOCH) {
Ok(epoch_now) => epoch_now.as_secs() as i64,
Err(err) => {
eprintln!("query system time failed - {}", err);
continue;
}
};
if next > now { continue; }
let store2 = store.clone();
if let Err(err) = WorkerTask::new_thread(
worker_type,
Some(store.clone()),
"backup@pam",
false,
move |worker| {
worker.log(format!("starting garbage collection on store {}", store));
worker.log(format!("task triggered by schedule '{}'", event_str));
datastore.garbage_collection(&worker)
}
) {
eprintln!("unable to start garbage collection on store {} - {}", store2, err);
}
}
}
async fn schedule_datastore_prune() {
use proxmox_backup::backup::{
PruneOptions, DataStore, BackupGroup, BackupDir, compute_prune_info};
use proxmox_backup::server::{WorkerTask};
use proxmox_backup::config::datastore::{self, DataStoreConfig};
use proxmox_backup::tools::systemd::time::{
parse_calendar_event, compute_next_event};
let config = match 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) {
Ok(datastore) => datastore,
Err(err) => {
eprintln!("lookup_datastore '{}' failed - {}", store, err);
continue;
}
};
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 !prune_options.keeps_something() { // no prune settings - keep all
continue;
}
let event = match parse_calendar_event(&event_str) {
Ok(event) => event,
Err(err) => {
eprintln!("unable to parse schedule '{}' - {}", event_str, err);
continue;
}
};
let worker_type = "prune";
let last = match lookup_last_worker(worker_type, &store) {
Ok(Some(upid)) => {
if proxmox_backup::server::worker_is_active_local(&upid) {
continue;
}
upid.starttime
}
Ok(None) => 0,
Err(err) => {
eprintln!("lookup_last_job_start failed: {}", err);
continue;
}
};
let next = match compute_next_event(&event, last, false) {
Ok(next) => next,
Err(err) => {
eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
continue;
}
};
let now = match SystemTime::now().duration_since(UNIX_EPOCH) {
Ok(epoch_now) => epoch_now.as_secs() as i64,
Err(err) => {
eprintln!("query system time failed - {}", err);
continue;
}
};
if next > now { continue; }
let store2 = store.clone();
if let Err(err) = WorkerTask::new_thread(
worker_type,
Some(store.clone()),
"backup@pam",
false,
move |worker| {
worker.log(format!("Starting datastore prune on store \"{}\"", store));
worker.log(format!("task triggered by schedule '{}'", event_str));
worker.log(format!("retention options: {}", prune_options.cli_options_string()));
let base_path = datastore.base_path();
let groups = BackupGroup::list_groups(&base_path)?;
for group in groups {
let list = group.list_backups(&base_path)?;
let mut prune_info = compute_prune_info(list, &prune_options)?;
prune_info.reverse(); // delete older snapshots first
worker.log(format!("Starting prune on store \"{}\" group \"{}/{}\"",
store, group.backup_type(), group.backup_id()));
for (info, keep) in prune_info {
worker.log(format!(
"{} {}/{}/{}",
if keep { "keep" } else { "remove" },
group.backup_type(), group.backup_id(),
BackupDir::backup_time_to_string(info.backup_dir.backup_time())));
if !keep {
datastore.remove_backup_dir(&info.backup_dir)?;
}
}
}
Ok(())
}
) {
eprintln!("unable to start datastore prune on store {} - {}", store2, err);
}
}
}
async fn schedule_datastore_sync_jobs() {
use proxmox_backup::{
backup::DataStore,
client::{ HttpClient, HttpClientOptions, BackupRepository, pull::pull_store },
server::{ WorkerTask },
config::{ sync::{self, SyncJobConfig}, remote::{self, Remote} },
tools::systemd::time::{ parse_calendar_event, compute_next_event },
};
let config = match sync::config() {
Err(err) => {
eprintln!("unable to read sync job config - {}", err);
return;
}
Ok((config, _digest)) => config,
};
let remote_config = match remote::config() {
Err(err) => {
eprintln!("unable to read remote 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 event = match parse_calendar_event(&event_str) {
Ok(event) => event,
Err(err) => {
eprintln!("unable to parse schedule '{}' - {}", event_str, err);
continue;
}
};
let worker_type = "syncjob";
let last = match lookup_last_worker(worker_type, &job_id) {
Ok(Some(upid)) => {
if proxmox_backup::server::worker_is_active_local(&upid) {
continue;
}
upid.starttime
},
Ok(None) => 0,
Err(err) => {
eprintln!("lookup_last_job_start failed: {}", err);
continue;
}
};
let next = match compute_next_event(&event, last, false) {
Ok(next) => next,
Err(err) => {
eprintln!("compute_next_event for '{}' failed - {}", event_str, err);
continue;
}
};
let now = match SystemTime::now().duration_since(UNIX_EPOCH) {
Ok(epoch_now) => epoch_now.as_secs() as i64,
Err(err) => {
eprintln!("query system time failed - {}", err);
continue;
}
};
if next > now { continue; }
let job_id2 = job_id.clone();
let tgt_store = match DataStore::lookup_datastore(&job_config.store) {
Ok(datastore) => datastore,
Err(err) => {
eprintln!("lookup_datastore '{}' failed - {}", job_config.store, err);
continue;
}
};
let remote: Remote = match remote_config.lookup("remote", &job_config.remote) {
Ok(remote) => remote,
Err(err) => {
eprintln!("remote_config lookup failed: {}", err);
continue;
}
};
let username = String::from("backup@pam");
let delete = job_config.remove_vanished.unwrap_or(true);
if let Err(err) = WorkerTask::spawn(
worker_type,
Some(job_id.clone()),
&username.clone(),
false,
move |worker| async move {
worker.log(format!("Starting datastore sync job '{}'", job_id));
worker.log(format!("task triggered by schedule '{}'", event_str));
worker.log(format!("Sync datastore '{}' from '{}/{}'",
job_config.store, job_config.remote, job_config.remote_store));
let options = HttpClientOptions::new()
.password(Some(remote.password.clone()))
.fingerprint(remote.fingerprint.clone());
let client = HttpClient::new(&remote.host, &remote.userid, options)?;
let _auth_info = client.login() // make sure we can auth
.await
.map_err(|err| format_err!("remote connection to '{}' failed - {}", remote.host, err))?;
let src_repo = BackupRepository::new(Some(remote.userid), Some(remote.host), job_config.remote_store);
pull_store(&worker, &client, &src_repo, tgt_store, delete, username).await?;
Ok(())
}
) {
eprintln!("unable to start datastore sync job {} - {}", job_id2, err);
}
}
}
async fn run_stat_generator() {
let mut count = 0;
loop {
count += 1;
let save = if count >= 6 { count = 0; true } else { false };
let delay_target = Instant::now() + Duration::from_secs(10);
generate_host_stats(save).await;
tokio::time::delay_until(tokio::time::Instant::from_std(delay_target)).await;
}
}
fn rrd_update_gauge(name: &str, value: f64, save: bool) {
use proxmox_backup::rrd;
if let Err(err) = rrd::update_value(name, value, rrd::DST::Gauge, save) {
eprintln!("rrd::update_value '{}' failed - {}", name, err);
}
}
fn rrd_update_derive(name: &str, value: f64, save: bool) {
use proxmox_backup::rrd;
if let Err(err) = rrd::update_value(name, value, rrd::DST::Derive, save) {
eprintln!("rrd::update_value '{}' failed - {}", name, err);
}
}
async fn generate_host_stats(save: bool) {
use proxmox::sys::linux::procfs::{
read_meminfo, read_proc_stat, read_proc_net_dev, read_loadavg};
use proxmox_backup::config::datastore;
proxmox_backup::tools::runtime::block_in_place(move || {
match read_proc_stat() {
Ok(stat) => {
rrd_update_gauge("host/cpu", stat.cpu, save);
rrd_update_gauge("host/iowait", stat.iowait_percent, save);
}
Err(err) => {
eprintln!("read_proc_stat failed - {}", err);
}
}
match read_meminfo() {
Ok(meminfo) => {
rrd_update_gauge("host/memtotal", meminfo.memtotal as f64, save);
rrd_update_gauge("host/memused", meminfo.memused as f64, save);
rrd_update_gauge("host/swaptotal", meminfo.swaptotal as f64, save);
rrd_update_gauge("host/swapused", meminfo.swapused as f64, save);
}
Err(err) => {
eprintln!("read_meminfo failed - {}", err);
}
}
match read_proc_net_dev() {
Ok(netdev) => {
use proxmox_backup::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, save);
rrd_update_derive("host/netout", netout as f64, save);
}
Err(err) => {
eprintln!("read_prox_net_dev failed - {}", err);
}
}
match read_loadavg() {
Ok(loadavg) => {
rrd_update_gauge("host/loadavg", loadavg.0 as f64, save);
}
Err(err) => {
eprintln!("read_loadavg failed - {}", err);
}
}
let disk_manager = DiskManage::new();
gather_disk_stats(disk_manager.clone(), Path::new("/"), "host", save);
match datastore::config() {
Ok((config, _)) => {
let datastore_list: Vec<datastore::DataStoreConfig> =
config.convert_to_typed_array("datastore").unwrap_or(Vec::new());
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, save);
}
}
Err(err) => {
eprintln!("read datastore config failed - {}", err);
}
}
});
}
fn gather_disk_stats(disk_manager: Arc<DiskManage>, path: &Path, rrd_prefix: &str, save: bool) {
match proxmox_backup::tools::disks::disk_usage(path) {
Ok((total, used, _avail)) => {
let rrd_key = format!("{}/total", rrd_prefix);
rrd_update_gauge(&rrd_key, total as f64, save);
let rrd_key = format!("{}/used", rrd_prefix);
rrd_update_gauge(&rrd_key, used as f64, save);
}
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() {
"zfs" => {
if let Some(pool) = source {
match zfs_pool_stats(&pool) {
Ok(stat) => device_stat = stat,
Err(err) => eprintln!("zfs_pool_stats({:?}) failed - {}", pool, err),
}
}
}
_ => {
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, save);
let rrd_key = format!("{}/read_bytes", rrd_prefix);
rrd_update_derive(&rrd_key, (stat.read_sectors*512) as f64, save);
let rrd_key = format!("{}/write_ios", rrd_prefix);
rrd_update_derive(&rrd_key, stat.write_ios as f64, save);
let rrd_key = format!("{}/write_bytes", rrd_prefix);
rrd_update_derive(&rrd_key, (stat.write_sectors*512) as f64, save);
let rrd_key = format!("{}/io_ticks", rrd_prefix);
rrd_update_derive(&rrd_key, (stat.io_ticks as f64)/1000.0, save);
}
}
Err(err) => {
eprintln!("find_mounted_device failed - {}", err);
}
}
}