src/client/pull.rs: split out pull related code
This commit is contained in:
Dietmar Maurer
parent
a6160cdfeb
commit
07ad6470ca
386
src/api2/pull.rs
386
src/api2/pull.rs
@ -1,389 +1,19 @@
|
||||
//! Sync datastore from remote server
|
||||
|
||||
use anyhow::{bail, format_err, Error};
|
||||
use serde_json::json;
|
||||
use std::convert::TryFrom;
|
||||
use std::sync::Arc;
|
||||
use std::collections::HashMap;
|
||||
use std::io::{Seek, SeekFrom};
|
||||
use chrono::{Utc, TimeZone};
|
||||
use anyhow::{format_err, Error};
|
||||
|
||||
use proxmox::api::api;
|
||||
use proxmox::api::{ApiMethod, Router, RpcEnvironment, Permission};
|
||||
|
||||
use crate::server::{WorkerTask};
|
||||
use crate::backup::*;
|
||||
use crate::client::*;
|
||||
use crate::config::remote;
|
||||
use crate::backup::DataStore;
|
||||
use crate::client::{HttpClient, HttpClientOptions, BackupRepository, pull::pull_store};
|
||||
use crate::api2::types::*;
|
||||
use crate::config::acl::{PRIV_DATASTORE_BACKUP, PRIV_DATASTORE_PRUNE, PRIV_REMOTE_READ};
|
||||
use crate::config::cached_user_info::CachedUserInfo;
|
||||
|
||||
// fixme: implement filters
|
||||
// fixme: delete vanished groups
|
||||
// Todo: correctly lock backup groups
|
||||
|
||||
async fn pull_index_chunks<I: IndexFile>(
|
||||
_worker: &WorkerTask,
|
||||
chunk_reader: &mut RemoteChunkReader,
|
||||
target: Arc<DataStore>,
|
||||
index: I,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
|
||||
for pos in 0..index.index_count() {
|
||||
let digest = index.index_digest(pos).unwrap();
|
||||
let chunk_exists = target.cond_touch_chunk(digest, false)?;
|
||||
if chunk_exists {
|
||||
//worker.log(format!("chunk {} exists {}", pos, proxmox::tools::digest_to_hex(digest)));
|
||||
continue;
|
||||
}
|
||||
//worker.log(format!("sync {} chunk {}", pos, proxmox::tools::digest_to_hex(digest)));
|
||||
let chunk = chunk_reader.read_raw_chunk(&digest)?;
|
||||
|
||||
target.insert_chunk(&chunk, &digest)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn download_manifest(
|
||||
reader: &BackupReader,
|
||||
filename: &std::path::Path,
|
||||
) -> Result<std::fs::File, Error> {
|
||||
|
||||
let tmp_manifest_file = std::fs::OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.read(true)
|
||||
.open(&filename)?;
|
||||
|
||||
let mut tmp_manifest_file = reader.download(MANIFEST_BLOB_NAME, tmp_manifest_file).await?;
|
||||
|
||||
tmp_manifest_file.seek(SeekFrom::Start(0))?;
|
||||
|
||||
Ok(tmp_manifest_file)
|
||||
}
|
||||
|
||||
async fn pull_single_archive(
|
||||
worker: &WorkerTask,
|
||||
reader: &BackupReader,
|
||||
chunk_reader: &mut RemoteChunkReader,
|
||||
tgt_store: Arc<DataStore>,
|
||||
snapshot: &BackupDir,
|
||||
archive_name: &str,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let mut path = tgt_store.base_path();
|
||||
path.push(snapshot.relative_path());
|
||||
path.push(archive_name);
|
||||
|
||||
let mut tmp_path = path.clone();
|
||||
tmp_path.set_extension("tmp");
|
||||
|
||||
worker.log(format!("sync archive {}", archive_name));
|
||||
let tmpfile = std::fs::OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.read(true)
|
||||
.open(&tmp_path)?;
|
||||
|
||||
let tmpfile = reader.download(archive_name, tmpfile).await?;
|
||||
|
||||
match archive_type(archive_name)? {
|
||||
ArchiveType::DynamicIndex => {
|
||||
let index = DynamicIndexReader::new(tmpfile)
|
||||
.map_err(|err| format_err!("unable to read dynamic index {:?} - {}", tmp_path, err))?;
|
||||
|
||||
pull_index_chunks(worker, chunk_reader, tgt_store.clone(), index).await?;
|
||||
}
|
||||
ArchiveType::FixedIndex => {
|
||||
let index = FixedIndexReader::new(tmpfile)
|
||||
.map_err(|err| format_err!("unable to read fixed index '{:?}' - {}", tmp_path, err))?;
|
||||
|
||||
pull_index_chunks(worker, chunk_reader, tgt_store.clone(), index).await?;
|
||||
}
|
||||
ArchiveType::Blob => { /* nothing to do */ }
|
||||
}
|
||||
if let Err(err) = std::fs::rename(&tmp_path, &path) {
|
||||
bail!("Atomic rename file {:?} failed - {}", path, err);
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn pull_snapshot(
|
||||
worker: &WorkerTask,
|
||||
reader: Arc<BackupReader>,
|
||||
tgt_store: Arc<DataStore>,
|
||||
snapshot: &BackupDir,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let mut manifest_name = tgt_store.base_path();
|
||||
manifest_name.push(snapshot.relative_path());
|
||||
manifest_name.push(MANIFEST_BLOB_NAME);
|
||||
|
||||
let mut tmp_manifest_name = manifest_name.clone();
|
||||
tmp_manifest_name.set_extension("tmp");
|
||||
|
||||
let mut tmp_manifest_file = download_manifest(&reader, &tmp_manifest_name).await?;
|
||||
let tmp_manifest_blob = DataBlob::load(&mut tmp_manifest_file)?;
|
||||
tmp_manifest_blob.verify_crc()?;
|
||||
|
||||
if manifest_name.exists() {
|
||||
let manifest_blob = proxmox::try_block!({
|
||||
let mut manifest_file = std::fs::File::open(&manifest_name)
|
||||
.map_err(|err| format_err!("unable to open local manifest {:?} - {}", manifest_name, err))?;
|
||||
|
||||
let manifest_blob = DataBlob::load(&mut manifest_file)?;
|
||||
manifest_blob.verify_crc()?;
|
||||
Ok(manifest_blob)
|
||||
}).map_err(|err: Error| {
|
||||
format_err!("unable to read local manifest {:?} - {}", manifest_name, err)
|
||||
})?;
|
||||
|
||||
if manifest_blob.raw_data() == tmp_manifest_blob.raw_data() {
|
||||
return Ok(()); // nothing changed
|
||||
}
|
||||
}
|
||||
|
||||
let manifest = BackupManifest::try_from(tmp_manifest_blob)?;
|
||||
|
||||
let mut chunk_reader = RemoteChunkReader::new(reader.clone(), None, HashMap::new());
|
||||
|
||||
for item in manifest.files() {
|
||||
let mut path = tgt_store.base_path();
|
||||
path.push(snapshot.relative_path());
|
||||
path.push(&item.filename);
|
||||
|
||||
if path.exists() {
|
||||
match archive_type(&item.filename)? {
|
||||
ArchiveType::DynamicIndex => {
|
||||
let index = DynamicIndexReader::open(&path)?;
|
||||
let (csum, size) = index.compute_csum();
|
||||
match manifest.verify_file(&item.filename, &csum, size) {
|
||||
Ok(_) => continue,
|
||||
Err(err) => {
|
||||
worker.log(format!("detected changed file {:?} - {}", path, err));
|
||||
}
|
||||
}
|
||||
}
|
||||
ArchiveType::FixedIndex => {
|
||||
let index = FixedIndexReader::open(&path)?;
|
||||
let (csum, size) = index.compute_csum();
|
||||
match manifest.verify_file(&item.filename, &csum, size) {
|
||||
Ok(_) => continue,
|
||||
Err(err) => {
|
||||
worker.log(format!("detected changed file {:?} - {}", path, err));
|
||||
}
|
||||
}
|
||||
}
|
||||
ArchiveType::Blob => {
|
||||
let mut tmpfile = std::fs::File::open(&path)?;
|
||||
let (csum, size) = compute_file_csum(&mut tmpfile)?;
|
||||
match manifest.verify_file(&item.filename, &csum, size) {
|
||||
Ok(_) => continue,
|
||||
Err(err) => {
|
||||
worker.log(format!("detected changed file {:?} - {}", path, err));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pull_single_archive(
|
||||
worker,
|
||||
&reader,
|
||||
&mut chunk_reader,
|
||||
tgt_store.clone(),
|
||||
snapshot,
|
||||
&item.filename,
|
||||
).await?;
|
||||
}
|
||||
|
||||
if let Err(err) = std::fs::rename(&tmp_manifest_name, &manifest_name) {
|
||||
bail!("Atomic rename file {:?} failed - {}", manifest_name, err);
|
||||
}
|
||||
|
||||
// cleanup - remove stale files
|
||||
tgt_store.cleanup_backup_dir(snapshot, &manifest)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn pull_snapshot_from(
|
||||
worker: &WorkerTask,
|
||||
reader: Arc<BackupReader>,
|
||||
tgt_store: Arc<DataStore>,
|
||||
snapshot: &BackupDir,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let (_path, is_new) = tgt_store.create_backup_dir(&snapshot)?;
|
||||
|
||||
if is_new {
|
||||
worker.log(format!("sync snapshot {:?}", snapshot.relative_path()));
|
||||
|
||||
if let Err(err) = pull_snapshot(worker, reader, tgt_store.clone(), &snapshot).await {
|
||||
if let Err(cleanup_err) = tgt_store.remove_backup_dir(&snapshot) {
|
||||
worker.log(format!("cleanup error - {}", cleanup_err));
|
||||
}
|
||||
return Err(err);
|
||||
}
|
||||
} else {
|
||||
worker.log(format!("re-sync snapshot {:?}", snapshot.relative_path()));
|
||||
pull_snapshot(worker, reader, tgt_store.clone(), &snapshot).await?
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn pull_group(
|
||||
worker: &WorkerTask,
|
||||
client: &HttpClient,
|
||||
src_repo: &BackupRepository,
|
||||
tgt_store: Arc<DataStore>,
|
||||
group: &BackupGroup,
|
||||
delete: bool,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let path = format!("api2/json/admin/datastore/{}/snapshots", src_repo.store());
|
||||
|
||||
let args = json!({
|
||||
"backup-type": group.backup_type(),
|
||||
"backup-id": group.backup_id(),
|
||||
});
|
||||
|
||||
let mut result = client.get(&path, Some(args)).await?;
|
||||
let mut list: Vec<SnapshotListItem> = serde_json::from_value(result["data"].take())?;
|
||||
|
||||
list.sort_unstable_by(|a, b| a.backup_time.cmp(&b.backup_time));
|
||||
|
||||
let auth_info = client.login().await?;
|
||||
let fingerprint = client.fingerprint();
|
||||
|
||||
let last_sync = tgt_store.last_successful_backup(group)?;
|
||||
|
||||
let mut remote_snapshots = std::collections::HashSet::new();
|
||||
|
||||
for item in list {
|
||||
let backup_time = Utc.timestamp(item.backup_time, 0);
|
||||
remote_snapshots.insert(backup_time);
|
||||
|
||||
if let Some(last_sync_time) = last_sync {
|
||||
if last_sync_time > backup_time { continue; }
|
||||
}
|
||||
|
||||
let options = HttpClientOptions::new()
|
||||
.password(Some(auth_info.ticket.clone()))
|
||||
.fingerprint(fingerprint.clone());
|
||||
|
||||
let new_client = HttpClient::new(src_repo.host(), src_repo.user(), options)?;
|
||||
|
||||
let reader = BackupReader::start(
|
||||
new_client,
|
||||
None,
|
||||
src_repo.store(),
|
||||
&item.backup_type,
|
||||
&item.backup_id,
|
||||
backup_time,
|
||||
true,
|
||||
).await?;
|
||||
|
||||
let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.backup_time);
|
||||
|
||||
pull_snapshot_from(worker, reader, tgt_store.clone(), &snapshot).await?;
|
||||
}
|
||||
|
||||
if delete {
|
||||
let local_list = group.list_backups(&tgt_store.base_path())?;
|
||||
for info in local_list {
|
||||
let backup_time = info.backup_dir.backup_time();
|
||||
if remote_snapshots.contains(&backup_time) { continue; }
|
||||
worker.log(format!("delete vanished snapshot {:?}", info.backup_dir.relative_path()));
|
||||
tgt_store.remove_backup_dir(&info.backup_dir)?;
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn pull_store(
|
||||
worker: &WorkerTask,
|
||||
client: &HttpClient,
|
||||
src_repo: &BackupRepository,
|
||||
tgt_store: Arc<DataStore>,
|
||||
delete: bool,
|
||||
username: String,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
// explicit create shared lock to prevent GC on newly created chunks
|
||||
let _shared_store_lock = tgt_store.try_shared_chunk_store_lock()?;
|
||||
|
||||
let path = format!("api2/json/admin/datastore/{}/groups", src_repo.store());
|
||||
|
||||
let mut result = client.get(&path, None).await?;
|
||||
|
||||
let mut list: Vec<GroupListItem> = serde_json::from_value(result["data"].take())?;
|
||||
|
||||
list.sort_unstable_by(|a, b| {
|
||||
let type_order = a.backup_type.cmp(&b.backup_type);
|
||||
if type_order == std::cmp::Ordering::Equal {
|
||||
a.backup_id.cmp(&b.backup_id)
|
||||
} else {
|
||||
type_order
|
||||
}
|
||||
});
|
||||
|
||||
let mut errors = false;
|
||||
|
||||
let mut new_groups = std::collections::HashSet::new();
|
||||
for item in list.iter() {
|
||||
new_groups.insert(BackupGroup::new(&item.backup_type, &item.backup_id));
|
||||
}
|
||||
|
||||
for item in list {
|
||||
let group = BackupGroup::new(&item.backup_type, &item.backup_id);
|
||||
|
||||
let owner = tgt_store.create_backup_group(&group, &username)?;
|
||||
// permission check
|
||||
if owner != username { // only the owner is allowed to create additional snapshots
|
||||
worker.log(format!("sync group {}/{} failed - owner check failed ({} != {})",
|
||||
item.backup_type, item.backup_id, username, owner));
|
||||
errors = true;
|
||||
continue; // do not stop here, instead continue
|
||||
}
|
||||
|
||||
if let Err(err) = pull_group(worker, client, src_repo, tgt_store.clone(), &group, delete).await {
|
||||
worker.log(format!("sync group {}/{} failed - {}", item.backup_type, item.backup_id, err));
|
||||
errors = true;
|
||||
continue; // do not stop here, instead continue
|
||||
}
|
||||
}
|
||||
|
||||
if delete {
|
||||
let result: Result<(), Error> = proxmox::try_block!({
|
||||
let local_groups = BackupGroup::list_groups(&tgt_store.base_path())?;
|
||||
for local_group in local_groups {
|
||||
if new_groups.contains(&local_group) { continue; }
|
||||
worker.log(format!("delete vanished group '{}/{}'", local_group.backup_type(), local_group.backup_id()));
|
||||
if let Err(err) = tgt_store.remove_backup_group(&local_group) {
|
||||
worker.log(err.to_string());
|
||||
errors = true;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
});
|
||||
if let Err(err) = result {
|
||||
worker.log(format!("error during cleanup: {}", err));
|
||||
errors = true;
|
||||
};
|
||||
}
|
||||
|
||||
if errors {
|
||||
bail!("sync failed with some errors.");
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
use crate::config::{
|
||||
remote,
|
||||
acl::{PRIV_DATASTORE_BACKUP, PRIV_DATASTORE_PRUNE, PRIV_REMOTE_READ},
|
||||
cached_user_info::CachedUserInfo,
|
||||
};
|
||||
|
||||
#[api(
|
||||
input: {
|
||||
|
||||
@ -451,7 +451,7 @@ async fn schedule_datastore_sync_jobs() {
|
||||
|
||||
use proxmox_backup::{
|
||||
backup::DataStore,
|
||||
client::{ HttpClient, HttpClientOptions, BackupRepository },
|
||||
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 },
|
||||
@ -570,7 +570,7 @@ async fn schedule_datastore_sync_jobs() {
|
||||
|
||||
let src_repo = BackupRepository::new(Some(remote.userid), Some(remote.host), job_config.remote_store);
|
||||
|
||||
proxmox_backup::api2::pull::pull_store(&worker, &client, &src_repo, tgt_store, delete, username).await?;
|
||||
pull_store(&worker, &client, &src_repo, tgt_store, delete, username).await?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@ -29,3 +29,5 @@ pub use pxar_decode_writer::*;
|
||||
|
||||
mod backup_repo;
|
||||
pub use backup_repo::*;
|
||||
|
||||
pub mod pull;
|
||||
|
||||
381
src/client/pull.rs
Normal file
381
src/client/pull.rs
Normal file
@ -0,0 +1,381 @@
|
||||
//! Sync datastore from remote server
|
||||
|
||||
use anyhow::{bail, format_err, Error};
|
||||
use serde_json::json;
|
||||
use std::convert::TryFrom;
|
||||
use std::sync::Arc;
|
||||
use std::collections::HashMap;
|
||||
use std::io::{Seek, SeekFrom};
|
||||
use chrono::{Utc, TimeZone};
|
||||
|
||||
use crate::server::{WorkerTask};
|
||||
use crate::backup::*;
|
||||
use crate::api2::types::*;
|
||||
use super::*;
|
||||
|
||||
|
||||
// fixme: implement filters
|
||||
// fixme: delete vanished groups
|
||||
// Todo: correctly lock backup groups
|
||||
|
||||
async fn pull_index_chunks<I: IndexFile>(
|
||||
_worker: &WorkerTask,
|
||||
chunk_reader: &mut RemoteChunkReader,
|
||||
target: Arc<DataStore>,
|
||||
index: I,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
|
||||
for pos in 0..index.index_count() {
|
||||
let digest = index.index_digest(pos).unwrap();
|
||||
let chunk_exists = target.cond_touch_chunk(digest, false)?;
|
||||
if chunk_exists {
|
||||
//worker.log(format!("chunk {} exists {}", pos, proxmox::tools::digest_to_hex(digest)));
|
||||
continue;
|
||||
}
|
||||
//worker.log(format!("sync {} chunk {}", pos, proxmox::tools::digest_to_hex(digest)));
|
||||
let chunk = chunk_reader.read_raw_chunk(&digest)?;
|
||||
|
||||
target.insert_chunk(&chunk, &digest)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn download_manifest(
|
||||
reader: &BackupReader,
|
||||
filename: &std::path::Path,
|
||||
) -> Result<std::fs::File, Error> {
|
||||
|
||||
let tmp_manifest_file = std::fs::OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.read(true)
|
||||
.open(&filename)?;
|
||||
|
||||
let mut tmp_manifest_file = reader.download(MANIFEST_BLOB_NAME, tmp_manifest_file).await?;
|
||||
|
||||
tmp_manifest_file.seek(SeekFrom::Start(0))?;
|
||||
|
||||
Ok(tmp_manifest_file)
|
||||
}
|
||||
|
||||
async fn pull_single_archive(
|
||||
worker: &WorkerTask,
|
||||
reader: &BackupReader,
|
||||
chunk_reader: &mut RemoteChunkReader,
|
||||
tgt_store: Arc<DataStore>,
|
||||
snapshot: &BackupDir,
|
||||
archive_name: &str,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let mut path = tgt_store.base_path();
|
||||
path.push(snapshot.relative_path());
|
||||
path.push(archive_name);
|
||||
|
||||
let mut tmp_path = path.clone();
|
||||
tmp_path.set_extension("tmp");
|
||||
|
||||
worker.log(format!("sync archive {}", archive_name));
|
||||
let tmpfile = std::fs::OpenOptions::new()
|
||||
.write(true)
|
||||
.create(true)
|
||||
.read(true)
|
||||
.open(&tmp_path)?;
|
||||
|
||||
let tmpfile = reader.download(archive_name, tmpfile).await?;
|
||||
|
||||
match archive_type(archive_name)? {
|
||||
ArchiveType::DynamicIndex => {
|
||||
let index = DynamicIndexReader::new(tmpfile)
|
||||
.map_err(|err| format_err!("unable to read dynamic index {:?} - {}", tmp_path, err))?;
|
||||
|
||||
pull_index_chunks(worker, chunk_reader, tgt_store.clone(), index).await?;
|
||||
}
|
||||
ArchiveType::FixedIndex => {
|
||||
let index = FixedIndexReader::new(tmpfile)
|
||||
.map_err(|err| format_err!("unable to read fixed index '{:?}' - {}", tmp_path, err))?;
|
||||
|
||||
pull_index_chunks(worker, chunk_reader, tgt_store.clone(), index).await?;
|
||||
}
|
||||
ArchiveType::Blob => { /* nothing to do */ }
|
||||
}
|
||||
if let Err(err) = std::fs::rename(&tmp_path, &path) {
|
||||
bail!("Atomic rename file {:?} failed - {}", path, err);
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn pull_snapshot(
|
||||
worker: &WorkerTask,
|
||||
reader: Arc<BackupReader>,
|
||||
tgt_store: Arc<DataStore>,
|
||||
snapshot: &BackupDir,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let mut manifest_name = tgt_store.base_path();
|
||||
manifest_name.push(snapshot.relative_path());
|
||||
manifest_name.push(MANIFEST_BLOB_NAME);
|
||||
|
||||
let mut tmp_manifest_name = manifest_name.clone();
|
||||
tmp_manifest_name.set_extension("tmp");
|
||||
|
||||
let mut tmp_manifest_file = download_manifest(&reader, &tmp_manifest_name).await?;
|
||||
let tmp_manifest_blob = DataBlob::load(&mut tmp_manifest_file)?;
|
||||
tmp_manifest_blob.verify_crc()?;
|
||||
|
||||
if manifest_name.exists() {
|
||||
let manifest_blob = proxmox::try_block!({
|
||||
let mut manifest_file = std::fs::File::open(&manifest_name)
|
||||
.map_err(|err| format_err!("unable to open local manifest {:?} - {}", manifest_name, err))?;
|
||||
|
||||
let manifest_blob = DataBlob::load(&mut manifest_file)?;
|
||||
manifest_blob.verify_crc()?;
|
||||
Ok(manifest_blob)
|
||||
}).map_err(|err: Error| {
|
||||
format_err!("unable to read local manifest {:?} - {}", manifest_name, err)
|
||||
})?;
|
||||
|
||||
if manifest_blob.raw_data() == tmp_manifest_blob.raw_data() {
|
||||
return Ok(()); // nothing changed
|
||||
}
|
||||
}
|
||||
|
||||
let manifest = BackupManifest::try_from(tmp_manifest_blob)?;
|
||||
|
||||
let mut chunk_reader = RemoteChunkReader::new(reader.clone(), None, HashMap::new());
|
||||
|
||||
for item in manifest.files() {
|
||||
let mut path = tgt_store.base_path();
|
||||
path.push(snapshot.relative_path());
|
||||
path.push(&item.filename);
|
||||
|
||||
if path.exists() {
|
||||
match archive_type(&item.filename)? {
|
||||
ArchiveType::DynamicIndex => {
|
||||
let index = DynamicIndexReader::open(&path)?;
|
||||
let (csum, size) = index.compute_csum();
|
||||
match manifest.verify_file(&item.filename, &csum, size) {
|
||||
Ok(_) => continue,
|
||||
Err(err) => {
|
||||
worker.log(format!("detected changed file {:?} - {}", path, err));
|
||||
}
|
||||
}
|
||||
}
|
||||
ArchiveType::FixedIndex => {
|
||||
let index = FixedIndexReader::open(&path)?;
|
||||
let (csum, size) = index.compute_csum();
|
||||
match manifest.verify_file(&item.filename, &csum, size) {
|
||||
Ok(_) => continue,
|
||||
Err(err) => {
|
||||
worker.log(format!("detected changed file {:?} - {}", path, err));
|
||||
}
|
||||
}
|
||||
}
|
||||
ArchiveType::Blob => {
|
||||
let mut tmpfile = std::fs::File::open(&path)?;
|
||||
let (csum, size) = compute_file_csum(&mut tmpfile)?;
|
||||
match manifest.verify_file(&item.filename, &csum, size) {
|
||||
Ok(_) => continue,
|
||||
Err(err) => {
|
||||
worker.log(format!("detected changed file {:?} - {}", path, err));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pull_single_archive(
|
||||
worker,
|
||||
&reader,
|
||||
&mut chunk_reader,
|
||||
tgt_store.clone(),
|
||||
snapshot,
|
||||
&item.filename,
|
||||
).await?;
|
||||
}
|
||||
|
||||
if let Err(err) = std::fs::rename(&tmp_manifest_name, &manifest_name) {
|
||||
bail!("Atomic rename file {:?} failed - {}", manifest_name, err);
|
||||
}
|
||||
|
||||
// cleanup - remove stale files
|
||||
tgt_store.cleanup_backup_dir(snapshot, &manifest)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn pull_snapshot_from(
|
||||
worker: &WorkerTask,
|
||||
reader: Arc<BackupReader>,
|
||||
tgt_store: Arc<DataStore>,
|
||||
snapshot: &BackupDir,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let (_path, is_new) = tgt_store.create_backup_dir(&snapshot)?;
|
||||
|
||||
if is_new {
|
||||
worker.log(format!("sync snapshot {:?}", snapshot.relative_path()));
|
||||
|
||||
if let Err(err) = pull_snapshot(worker, reader, tgt_store.clone(), &snapshot).await {
|
||||
if let Err(cleanup_err) = tgt_store.remove_backup_dir(&snapshot) {
|
||||
worker.log(format!("cleanup error - {}", cleanup_err));
|
||||
}
|
||||
return Err(err);
|
||||
}
|
||||
} else {
|
||||
worker.log(format!("re-sync snapshot {:?}", snapshot.relative_path()));
|
||||
pull_snapshot(worker, reader, tgt_store.clone(), &snapshot).await?
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn pull_group(
|
||||
worker: &WorkerTask,
|
||||
client: &HttpClient,
|
||||
src_repo: &BackupRepository,
|
||||
tgt_store: Arc<DataStore>,
|
||||
group: &BackupGroup,
|
||||
delete: bool,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let path = format!("api2/json/admin/datastore/{}/snapshots", src_repo.store());
|
||||
|
||||
let args = json!({
|
||||
"backup-type": group.backup_type(),
|
||||
"backup-id": group.backup_id(),
|
||||
});
|
||||
|
||||
let mut result = client.get(&path, Some(args)).await?;
|
||||
let mut list: Vec<SnapshotListItem> = serde_json::from_value(result["data"].take())?;
|
||||
|
||||
list.sort_unstable_by(|a, b| a.backup_time.cmp(&b.backup_time));
|
||||
|
||||
let auth_info = client.login().await?;
|
||||
let fingerprint = client.fingerprint();
|
||||
|
||||
let last_sync = tgt_store.last_successful_backup(group)?;
|
||||
|
||||
let mut remote_snapshots = std::collections::HashSet::new();
|
||||
|
||||
for item in list {
|
||||
let backup_time = Utc.timestamp(item.backup_time, 0);
|
||||
remote_snapshots.insert(backup_time);
|
||||
|
||||
if let Some(last_sync_time) = last_sync {
|
||||
if last_sync_time > backup_time { continue; }
|
||||
}
|
||||
|
||||
let options = HttpClientOptions::new()
|
||||
.password(Some(auth_info.ticket.clone()))
|
||||
.fingerprint(fingerprint.clone());
|
||||
|
||||
let new_client = HttpClient::new(src_repo.host(), src_repo.user(), options)?;
|
||||
|
||||
let reader = BackupReader::start(
|
||||
new_client,
|
||||
None,
|
||||
src_repo.store(),
|
||||
&item.backup_type,
|
||||
&item.backup_id,
|
||||
backup_time,
|
||||
true,
|
||||
).await?;
|
||||
|
||||
let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.backup_time);
|
||||
|
||||
pull_snapshot_from(worker, reader, tgt_store.clone(), &snapshot).await?;
|
||||
}
|
||||
|
||||
if delete {
|
||||
let local_list = group.list_backups(&tgt_store.base_path())?;
|
||||
for info in local_list {
|
||||
let backup_time = info.backup_dir.backup_time();
|
||||
if remote_snapshots.contains(&backup_time) { continue; }
|
||||
worker.log(format!("delete vanished snapshot {:?}", info.backup_dir.relative_path()));
|
||||
tgt_store.remove_backup_dir(&info.backup_dir)?;
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn pull_store(
|
||||
worker: &WorkerTask,
|
||||
client: &HttpClient,
|
||||
src_repo: &BackupRepository,
|
||||
tgt_store: Arc<DataStore>,
|
||||
delete: bool,
|
||||
username: String,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
// explicit create shared lock to prevent GC on newly created chunks
|
||||
let _shared_store_lock = tgt_store.try_shared_chunk_store_lock()?;
|
||||
|
||||
let path = format!("api2/json/admin/datastore/{}/groups", src_repo.store());
|
||||
|
||||
let mut result = client.get(&path, None).await?;
|
||||
|
||||
let mut list: Vec<GroupListItem> = serde_json::from_value(result["data"].take())?;
|
||||
|
||||
list.sort_unstable_by(|a, b| {
|
||||
let type_order = a.backup_type.cmp(&b.backup_type);
|
||||
if type_order == std::cmp::Ordering::Equal {
|
||||
a.backup_id.cmp(&b.backup_id)
|
||||
} else {
|
||||
type_order
|
||||
}
|
||||
});
|
||||
|
||||
let mut errors = false;
|
||||
|
||||
let mut new_groups = std::collections::HashSet::new();
|
||||
for item in list.iter() {
|
||||
new_groups.insert(BackupGroup::new(&item.backup_type, &item.backup_id));
|
||||
}
|
||||
|
||||
for item in list {
|
||||
let group = BackupGroup::new(&item.backup_type, &item.backup_id);
|
||||
|
||||
let owner = tgt_store.create_backup_group(&group, &username)?;
|
||||
// permission check
|
||||
if owner != username { // only the owner is allowed to create additional snapshots
|
||||
worker.log(format!("sync group {}/{} failed - owner check failed ({} != {})",
|
||||
item.backup_type, item.backup_id, username, owner));
|
||||
errors = true;
|
||||
continue; // do not stop here, instead continue
|
||||
}
|
||||
|
||||
if let Err(err) = pull_group(worker, client, src_repo, tgt_store.clone(), &group, delete).await {
|
||||
worker.log(format!("sync group {}/{} failed - {}", item.backup_type, item.backup_id, err));
|
||||
errors = true;
|
||||
continue; // do not stop here, instead continue
|
||||
}
|
||||
}
|
||||
|
||||
if delete {
|
||||
let result: Result<(), Error> = proxmox::try_block!({
|
||||
let local_groups = BackupGroup::list_groups(&tgt_store.base_path())?;
|
||||
for local_group in local_groups {
|
||||
if new_groups.contains(&local_group) { continue; }
|
||||
worker.log(format!("delete vanished group '{}/{}'", local_group.backup_type(), local_group.backup_id()));
|
||||
if let Err(err) = tgt_store.remove_backup_group(&local_group) {
|
||||
worker.log(err.to_string());
|
||||
errors = true;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
});
|
||||
if let Err(err) = result {
|
||||
worker.log(format!("error during cleanup: {}", err));
|
||||
errors = true;
|
||||
};
|
||||
}
|
||||
|
||||
if errors {
|
||||
bail!("sync failed with some errors.");
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user