proxmox-backup/proxmox-backup-client/src/main.rs

1507 lines
49 KiB
Rust

use std::collections::HashSet;
use std::io::{self, Read, Write, Seek, SeekFrom};
use std::path::{Path, PathBuf};
use std::pin::Pin;
use std::sync::{Arc, Mutex};
use std::task::Context;
use anyhow::{bail, format_err, Error};
use futures::stream::{StreamExt, TryStreamExt};
use serde_json::{json, Value};
use tokio::sync::mpsc;
use tokio_stream::wrappers::ReceiverStream;
use xdg::BaseDirectories;
use pathpatterns::{MatchEntry, MatchType, PatternFlag};
use proxmox::tools::fs::{file_get_json, replace_file, CreateOptions, image_size};
use proxmox_router::{ApiMethod, RpcEnvironment, cli::*};
use proxmox_schema::api;
use proxmox_time::{strftime_local, epoch_i64};
use pxar::accessor::{MaybeReady, ReadAt, ReadAtOperation};
use pbs_api_types::{
BACKUP_ID_SCHEMA, BACKUP_TIME_SCHEMA, BACKUP_TYPE_SCHEMA, Authid, CryptMode, GroupListItem,
PruneListItem, SnapshotListItem, StorageStatus, Fingerprint, PruneOptions,
};
use pbs_client::{
BACKUP_SOURCE_SCHEMA,
BackupReader,
BackupRepository,
BackupSpecificationType,
BackupStats,
BackupWriter,
ChunkStream,
FixedChunkStream,
HttpClient,
PxarBackupStream,
RemoteChunkReader,
UploadOptions,
delete_ticket_info,
parse_backup_specification,
view_task_result,
};
use pbs_client::catalog_shell::Shell;
use pbs_client::tools::{
complete_archive_name, complete_auth_id, complete_backup_group, complete_backup_snapshot,
complete_backup_source, complete_chunk_size, complete_group_or_snapshot,
complete_img_archive_name, complete_pxar_archive_name, complete_repository, connect,
extract_repository_from_value,
key_source::{
crypto_parameters, format_key_source, get_encryption_key_password, KEYFD_SCHEMA,
KEYFILE_SCHEMA, MASTER_PUBKEY_FD_SCHEMA, MASTER_PUBKEY_FILE_SCHEMA,
},
CHUNK_SIZE_SCHEMA, REPO_URL_SCHEMA,
};
use pbs_config::key_config::{KeyConfig, decrypt_key, rsa_encrypt_key_config};
use pbs_datastore::CATALOG_NAME;
use pbs_datastore::backup_info::{BackupDir, BackupGroup};
use pbs_datastore::catalog::{BackupCatalogWriter, CatalogReader, CatalogWriter};
use pbs_datastore::chunk_store::verify_chunk_size;
use pbs_datastore::dynamic_index::{BufferedDynamicReader, DynamicIndexReader};
use pbs_datastore::fixed_index::FixedIndexReader;
use pbs_datastore::index::IndexFile;
use pbs_datastore::manifest::{
ENCRYPTED_KEY_BLOB_NAME, MANIFEST_BLOB_NAME, ArchiveType, BackupManifest, archive_type,
};
use pbs_datastore::read_chunk::AsyncReadChunk;
use pbs_tools::sync::StdChannelWriter;
use pbs_tools::tokio::TokioWriterAdapter;
use pbs_tools::json;
use pbs_tools::crypt_config::CryptConfig;
mod benchmark;
pub use benchmark::*;
mod mount;
pub use mount::*;
mod task;
pub use task::*;
mod catalog;
pub use catalog::*;
mod snapshot;
pub use snapshot::*;
pub mod key;
fn record_repository(repo: &BackupRepository) {
let base = match BaseDirectories::with_prefix("proxmox-backup") {
Ok(v) => v,
_ => return,
};
// usually $HOME/.cache/proxmox-backup/repo-list
let path = match base.place_cache_file("repo-list") {
Ok(v) => v,
_ => return,
};
let mut data = file_get_json(&path, None).unwrap_or_else(|_| json!({}));
let repo = repo.to_string();
data[&repo] = json!{ data[&repo].as_i64().unwrap_or(0) + 1 };
let mut map = serde_json::map::Map::new();
loop {
let mut max_used = 0;
let mut max_repo = None;
for (repo, count) in data.as_object().unwrap() {
if map.contains_key(repo) { continue; }
if let Some(count) = count.as_i64() {
if count > max_used {
max_used = count;
max_repo = Some(repo);
}
}
}
if let Some(repo) = max_repo {
map.insert(repo.to_owned(), json!(max_used));
} else {
break;
}
if map.len() > 10 { // store max. 10 repos
break;
}
}
let new_data = json!(map);
let _ = replace_file(path, new_data.to_string().as_bytes(), CreateOptions::new());
}
async fn api_datastore_list_snapshots(
client: &HttpClient,
store: &str,
group: Option<BackupGroup>,
) -> Result<Value, Error> {
let path = format!("api2/json/admin/datastore/{}/snapshots", store);
let mut args = json!({});
if let Some(group) = group {
args["backup-type"] = group.backup_type().into();
args["backup-id"] = group.backup_id().into();
}
let mut result = client.get(&path, Some(args)).await?;
Ok(result["data"].take())
}
pub async fn api_datastore_latest_snapshot(
client: &HttpClient,
store: &str,
group: BackupGroup,
) -> Result<(String, String, i64), Error> {
let list = api_datastore_list_snapshots(client, store, Some(group.clone())).await?;
let mut list: Vec<SnapshotListItem> = serde_json::from_value(list)?;
if list.is_empty() {
bail!("backup group {:?} does not contain any snapshots.", group.group_path());
}
list.sort_unstable_by(|a, b| b.backup_time.cmp(&a.backup_time));
let backup_time = list[0].backup_time;
Ok((group.backup_type().to_owned(), group.backup_id().to_owned(), backup_time))
}
async fn backup_directory<P: AsRef<Path>>(
client: &BackupWriter,
dir_path: P,
archive_name: &str,
chunk_size: Option<usize>,
catalog: Arc<Mutex<CatalogWriter<TokioWriterAdapter<StdChannelWriter>>>>,
pxar_create_options: pbs_client::pxar::PxarCreateOptions,
upload_options: UploadOptions,
) -> Result<BackupStats, Error> {
let pxar_stream = PxarBackupStream::open(
dir_path.as_ref(),
catalog,
pxar_create_options,
)?;
let mut chunk_stream = ChunkStream::new(pxar_stream, chunk_size);
let (tx, rx) = mpsc::channel(10); // allow to buffer 10 chunks
let stream = ReceiverStream::new(rx)
.map_err(Error::from);
// spawn chunker inside a separate task so that it can run parallel
tokio::spawn(async move {
while let Some(v) = chunk_stream.next().await {
let _ = tx.send(v).await;
}
});
if upload_options.fixed_size.is_some() {
bail!("cannot backup directory with fixed chunk size!");
}
let stats = client
.upload_stream(archive_name, stream, upload_options)
.await?;
Ok(stats)
}
async fn backup_image<P: AsRef<Path>>(
client: &BackupWriter,
image_path: P,
archive_name: &str,
chunk_size: Option<usize>,
upload_options: UploadOptions,
) -> Result<BackupStats, Error> {
let path = image_path.as_ref().to_owned();
let file = tokio::fs::File::open(path).await?;
let stream = tokio_util::codec::FramedRead::new(file, tokio_util::codec::BytesCodec::new())
.map_err(Error::from);
let stream = FixedChunkStream::new(stream, chunk_size.unwrap_or(4*1024*1024));
if upload_options.fixed_size.is_none() {
bail!("cannot backup image with dynamic chunk size!");
}
let stats = client
.upload_stream(archive_name, stream, upload_options)
.await?;
Ok(stats)
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
"output-format": {
schema: OUTPUT_FORMAT,
optional: true,
},
}
}
)]
/// List backup groups.
async fn list_backup_groups(param: Value) -> Result<Value, Error> {
let output_format = get_output_format(&param);
let repo = extract_repository_from_value(&param)?;
let client = connect(&repo)?;
let path = format!("api2/json/admin/datastore/{}/groups", repo.store());
let mut result = client.get(&path, None).await?;
record_repository(&repo);
let render_group_path = |_v: &Value, record: &Value| -> Result<String, Error> {
let item: GroupListItem = serde_json::from_value(record.to_owned())?;
let group = BackupGroup::new(item.backup_type, item.backup_id);
Ok(group.group_path().to_str().unwrap().to_owned())
};
let render_last_backup = |_v: &Value, record: &Value| -> Result<String, Error> {
let item: GroupListItem = serde_json::from_value(record.to_owned())?;
let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.last_backup)?;
Ok(snapshot.relative_path().to_str().unwrap().to_owned())
};
let render_files = |_v: &Value, record: &Value| -> Result<String, Error> {
let item: GroupListItem = serde_json::from_value(record.to_owned())?;
Ok(pbs_tools::format::render_backup_file_list(&item.files))
};
let options = default_table_format_options()
.sortby("backup-type", false)
.sortby("backup-id", false)
.column(ColumnConfig::new("backup-id").renderer(render_group_path).header("group"))
.column(
ColumnConfig::new("last-backup")
.renderer(render_last_backup)
.header("last snapshot")
.right_align(false)
)
.column(ColumnConfig::new("backup-count"))
.column(ColumnConfig::new("files").renderer(render_files));
let mut data: Value = result["data"].take();
let return_type = &pbs_api_types::ADMIN_DATASTORE_LIST_GROUPS_RETURN_TYPE;
format_and_print_result_full(&mut data, return_type, &output_format, &options);
Ok(Value::Null)
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
group: {
type: String,
description: "Backup group.",
},
"new-owner": {
type: Authid,
},
}
}
)]
/// Change owner of a backup group
async fn change_backup_owner(group: String, mut param: Value) -> Result<(), Error> {
let repo = extract_repository_from_value(&param)?;
let mut client = connect(&repo)?;
param.as_object_mut().unwrap().remove("repository");
let group: BackupGroup = group.parse()?;
param["backup-type"] = group.backup_type().into();
param["backup-id"] = group.backup_id().into();
let path = format!("api2/json/admin/datastore/{}/change-owner", repo.store());
client.post(&path, Some(param)).await?;
record_repository(&repo);
Ok(())
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
}
}
)]
/// Try to login. If successful, store ticket.
async fn api_login(param: Value) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
let client = connect(&repo)?;
client.login().await?;
record_repository(&repo);
Ok(Value::Null)
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
}
}
)]
/// Logout (delete stored ticket).
fn api_logout(param: Value) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
delete_ticket_info("proxmox-backup", repo.host(), repo.user())?;
Ok(Value::Null)
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
"output-format": {
schema: OUTPUT_FORMAT,
optional: true,
},
}
}
)]
/// Show client and optional server version
async fn api_version(param: Value) -> Result<(), Error> {
let output_format = get_output_format(&param);
let mut version_info = json!({
"client": {
"version": pbs_buildcfg::PROXMOX_PKG_VERSION,
"release": pbs_buildcfg::PROXMOX_PKG_RELEASE,
"repoid": pbs_buildcfg::PROXMOX_PKG_REPOID,
}
});
let repo = extract_repository_from_value(&param);
if let Ok(repo) = repo {
let client = connect(&repo)?;
match client.get("api2/json/version", None).await {
Ok(mut result) => version_info["server"] = result["data"].take(),
Err(e) => eprintln!("could not connect to server - {}", e),
}
}
if output_format == "text" {
println!(
"client version: {}.{}",
pbs_buildcfg::PROXMOX_PKG_VERSION,
pbs_buildcfg::PROXMOX_PKG_RELEASE,
);
if let Some(server) = version_info["server"].as_object() {
let server_version = server["version"].as_str().unwrap();
let server_release = server["release"].as_str().unwrap();
println!("server version: {}.{}", server_version, server_release);
}
} else {
format_and_print_result(&version_info, &output_format);
}
Ok(())
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
"output-format": {
schema: OUTPUT_FORMAT,
optional: true,
},
},
},
)]
/// Start garbage collection for a specific repository.
async fn start_garbage_collection(param: Value) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
let output_format = get_output_format(&param);
let mut client = connect(&repo)?;
let path = format!("api2/json/admin/datastore/{}/gc", repo.store());
let result = client.post(&path, None).await?;
record_repository(&repo);
view_task_result(&mut client, result, &output_format).await?;
Ok(Value::Null)
}
struct CatalogUploadResult {
catalog_writer: Arc<Mutex<CatalogWriter<TokioWriterAdapter<StdChannelWriter>>>>,
result: tokio::sync::oneshot::Receiver<Result<BackupStats, Error>>,
}
fn spawn_catalog_upload(
client: Arc<BackupWriter>,
encrypt: bool,
) -> Result<CatalogUploadResult, Error> {
let (catalog_tx, catalog_rx) = std::sync::mpsc::sync_channel(10); // allow to buffer 10 writes
let catalog_stream = pbs_tools::blocking::StdChannelStream(catalog_rx);
let catalog_chunk_size = 512*1024;
let catalog_chunk_stream = ChunkStream::new(catalog_stream, Some(catalog_chunk_size));
let catalog_writer = Arc::new(Mutex::new(CatalogWriter::new(TokioWriterAdapter::new(StdChannelWriter::new(catalog_tx)))?));
let (catalog_result_tx, catalog_result_rx) = tokio::sync::oneshot::channel();
let upload_options = UploadOptions {
encrypt,
compress: true,
..UploadOptions::default()
};
tokio::spawn(async move {
let catalog_upload_result = client
.upload_stream(CATALOG_NAME, catalog_chunk_stream, upload_options)
.await;
if let Err(ref err) = catalog_upload_result {
eprintln!("catalog upload error - {}", err);
client.cancel();
}
let _ = catalog_result_tx.send(catalog_upload_result);
});
Ok(CatalogUploadResult { catalog_writer, result: catalog_result_rx })
}
#[api(
input: {
properties: {
backupspec: {
type: Array,
description: "List of backup source specifications ([<label.ext>:<path>] ...)",
items: {
schema: BACKUP_SOURCE_SCHEMA,
}
},
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
"include-dev": {
description: "Include mountpoints with same st_dev number (see ``man fstat``) as specified files.",
optional: true,
items: {
type: String,
description: "Path to file.",
}
},
"all-file-systems": {
type: Boolean,
description: "Include all mounted subdirectories.",
optional: true,
},
keyfile: {
schema: KEYFILE_SCHEMA,
optional: true,
},
"keyfd": {
schema: KEYFD_SCHEMA,
optional: true,
},
"master-pubkey-file": {
schema: MASTER_PUBKEY_FILE_SCHEMA,
optional: true,
},
"master-pubkey-fd": {
schema: MASTER_PUBKEY_FD_SCHEMA,
optional: true,
},
"crypt-mode": {
type: CryptMode,
optional: true,
},
"skip-lost-and-found": {
type: Boolean,
description: "Skip lost+found directory.",
optional: true,
},
"backup-type": {
schema: BACKUP_TYPE_SCHEMA,
optional: true,
},
"backup-id": {
schema: BACKUP_ID_SCHEMA,
optional: true,
},
"backup-time": {
schema: BACKUP_TIME_SCHEMA,
optional: true,
},
"chunk-size": {
schema: CHUNK_SIZE_SCHEMA,
optional: true,
},
"exclude": {
type: Array,
description: "List of paths or patterns for matching files to exclude.",
optional: true,
items: {
type: String,
description: "Path or match pattern.",
}
},
"entries-max": {
type: Integer,
description: "Max number of entries to hold in memory.",
optional: true,
default: pbs_client::pxar::ENCODER_MAX_ENTRIES as isize,
},
"verbose": {
type: Boolean,
description: "Verbose output.",
optional: true,
},
}
}
)]
/// Create (host) backup.
async fn create_backup(
param: Value,
_info: &ApiMethod,
_rpcenv: &mut dyn RpcEnvironment,
) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
let backupspec_list = json::required_array_param(&param, "backupspec")?;
let all_file_systems = param["all-file-systems"].as_bool().unwrap_or(false);
let skip_lost_and_found = param["skip-lost-and-found"].as_bool().unwrap_or(false);
let verbose = param["verbose"].as_bool().unwrap_or(false);
let backup_time_opt = param["backup-time"].as_i64();
let chunk_size_opt = param["chunk-size"].as_u64().map(|v| (v*1024) as usize);
if let Some(size) = chunk_size_opt {
verify_chunk_size(size)?;
}
let crypto = crypto_parameters(&param)?;
let backup_id = param["backup-id"].as_str().unwrap_or(&proxmox::tools::nodename());
let backup_type = param["backup-type"].as_str().unwrap_or("host");
let include_dev = param["include-dev"].as_array();
let entries_max = param["entries-max"].as_u64()
.unwrap_or(pbs_client::pxar::ENCODER_MAX_ENTRIES as u64);
let empty = Vec::new();
let exclude_args = param["exclude"].as_array().unwrap_or(&empty);
let mut pattern_list = Vec::with_capacity(exclude_args.len());
for entry in exclude_args {
let entry = entry.as_str().ok_or_else(|| format_err!("Invalid pattern string slice"))?;
pattern_list.push(
MatchEntry::parse_pattern(entry, PatternFlag::PATH_NAME, MatchType::Exclude)
.map_err(|err| format_err!("invalid exclude pattern entry: {}", err))?
);
}
let mut devices = if all_file_systems { None } else { Some(HashSet::new()) };
if let Some(include_dev) = include_dev {
if all_file_systems {
bail!("option 'all-file-systems' conflicts with option 'include-dev'");
}
let mut set = HashSet::new();
for path in include_dev {
let path = path.as_str().unwrap();
let stat = nix::sys::stat::stat(path)
.map_err(|err| format_err!("fstat {:?} failed - {}", path, err))?;
set.insert(stat.st_dev);
}
devices = Some(set);
}
let mut upload_list = vec![];
let mut target_set = HashSet::new();
for backupspec in backupspec_list {
let spec = parse_backup_specification(backupspec.as_str().unwrap())?;
let filename = &spec.config_string;
let target = &spec.archive_name;
if target_set.contains(target) {
bail!("got target twice: '{}'", target);
}
target_set.insert(target.to_string());
use std::os::unix::fs::FileTypeExt;
let metadata = std::fs::metadata(filename)
.map_err(|err| format_err!("unable to access '{}' - {}", filename, err))?;
let file_type = metadata.file_type();
match spec.spec_type {
BackupSpecificationType::PXAR => {
if !file_type.is_dir() {
bail!("got unexpected file type (expected directory)");
}
upload_list.push((BackupSpecificationType::PXAR, filename.to_owned(), format!("{}.didx", target), 0));
}
BackupSpecificationType::IMAGE => {
if !(file_type.is_file() || file_type.is_block_device()) {
bail!("got unexpected file type (expected file or block device)");
}
let size = image_size(&PathBuf::from(filename))?;
if size == 0 { bail!("got zero-sized file '{}'", filename); }
upload_list.push((BackupSpecificationType::IMAGE, filename.to_owned(), format!("{}.fidx", target), size));
}
BackupSpecificationType::CONFIG => {
if !file_type.is_file() {
bail!("got unexpected file type (expected regular file)");
}
upload_list.push((BackupSpecificationType::CONFIG, filename.to_owned(), format!("{}.blob", target), metadata.len()));
}
BackupSpecificationType::LOGFILE => {
if !file_type.is_file() {
bail!("got unexpected file type (expected regular file)");
}
upload_list.push((BackupSpecificationType::LOGFILE, filename.to_owned(), format!("{}.blob", target), metadata.len()));
}
}
}
let backup_time = backup_time_opt.unwrap_or_else(epoch_i64);
let client = connect(&repo)?;
record_repository(&repo);
println!("Starting backup: {}/{}/{}", backup_type, backup_id, BackupDir::backup_time_to_string(backup_time)?);
println!("Client name: {}", proxmox::tools::nodename());
let start_time = std::time::Instant::now();
println!("Starting backup protocol: {}", strftime_local("%c", epoch_i64())?);
let (crypt_config, rsa_encrypted_key) = match crypto.enc_key {
None => (None, None),
Some(key_with_source) => {
println!(
"{}",
format_key_source(&key_with_source.source, "encryption")
);
let (key, created, fingerprint) =
decrypt_key(&key_with_source.key, &get_encryption_key_password)?;
println!("Encryption key fingerprint: {}", fingerprint);
let crypt_config = CryptConfig::new(key)?;
match crypto.master_pubkey {
Some(pem_with_source) => {
println!("{}", format_key_source(&pem_with_source.source, "master"));
let rsa = openssl::rsa::Rsa::public_key_from_pem(&pem_with_source.key)?;
let mut key_config = KeyConfig::without_password(key)?;
key_config.created = created; // keep original value
let enc_key = rsa_encrypt_key_config(rsa, &key_config)?;
(Some(Arc::new(crypt_config)), Some(enc_key))
},
_ => (Some(Arc::new(crypt_config)), None),
}
}
};
let client = BackupWriter::start(
client,
crypt_config.clone(),
repo.store(),
backup_type,
&backup_id,
backup_time,
verbose,
false
).await?;
let download_previous_manifest = match client.previous_backup_time().await {
Ok(Some(backup_time)) => {
println!(
"Downloading previous manifest ({})",
strftime_local("%c", backup_time)?
);
true
}
Ok(None) => {
println!("No previous manifest available.");
false
}
Err(_) => {
// Fallback for outdated server, TODO remove/bubble up with 2.0
true
}
};
let previous_manifest = if download_previous_manifest {
match client.download_previous_manifest().await {
Ok(previous_manifest) => {
match previous_manifest.check_fingerprint(crypt_config.as_ref().map(Arc::as_ref)) {
Ok(()) => Some(Arc::new(previous_manifest)),
Err(err) => {
println!("Couldn't re-use previous manifest - {}", err);
None
}
}
}
Err(err) => {
println!("Couldn't download previous manifest - {}", err);
None
}
}
} else {
None
};
let snapshot = BackupDir::new(backup_type, backup_id, backup_time)?;
let mut manifest = BackupManifest::new(snapshot);
let mut catalog = None;
let mut catalog_result_rx = None;
for (backup_type, filename, target, size) in upload_list {
match backup_type {
BackupSpecificationType::CONFIG => {
let upload_options = UploadOptions {
compress: true,
encrypt: crypto.mode == CryptMode::Encrypt,
..UploadOptions::default()
};
println!("Upload config file '{}' to '{}' as {}", filename, repo, target);
let stats = client
.upload_blob_from_file(&filename, &target, upload_options)
.await?;
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
}
BackupSpecificationType::LOGFILE => { // fixme: remove - not needed anymore ?
let upload_options = UploadOptions {
compress: true,
encrypt: crypto.mode == CryptMode::Encrypt,
..UploadOptions::default()
};
println!("Upload log file '{}' to '{}' as {}", filename, repo, target);
let stats = client
.upload_blob_from_file(&filename, &target, upload_options)
.await?;
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
}
BackupSpecificationType::PXAR => {
// start catalog upload on first use
if catalog.is_none() {
let catalog_upload_res = spawn_catalog_upload(client.clone(), crypto.mode == CryptMode::Encrypt)?;
catalog = Some(catalog_upload_res.catalog_writer);
catalog_result_rx = Some(catalog_upload_res.result);
}
let catalog = catalog.as_ref().unwrap();
println!("Upload directory '{}' to '{}' as {}", filename, repo, target);
catalog.lock().unwrap().start_directory(std::ffi::CString::new(target.as_str())?.as_c_str())?;
let pxar_options = pbs_client::pxar::PxarCreateOptions {
device_set: devices.clone(),
patterns: pattern_list.clone(),
entries_max: entries_max as usize,
skip_lost_and_found,
verbose,
};
let upload_options = UploadOptions {
previous_manifest: previous_manifest.clone(),
compress: true,
encrypt: crypto.mode == CryptMode::Encrypt,
..UploadOptions::default()
};
let stats = backup_directory(
&client,
&filename,
&target,
chunk_size_opt,
catalog.clone(),
pxar_options,
upload_options,
).await?;
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
catalog.lock().unwrap().end_directory()?;
}
BackupSpecificationType::IMAGE => {
println!("Upload image '{}' to '{:?}' as {}", filename, repo, target);
let upload_options = UploadOptions {
previous_manifest: previous_manifest.clone(),
fixed_size: Some(size),
compress: true,
encrypt: crypto.mode == CryptMode::Encrypt,
};
let stats = backup_image(
&client,
&filename,
&target,
chunk_size_opt,
upload_options,
).await?;
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
}
}
}
// finalize and upload catalog
if let Some(catalog) = catalog {
let mutex = Arc::try_unwrap(catalog)
.map_err(|_| format_err!("unable to get catalog (still used)"))?;
let mut catalog = mutex.into_inner().unwrap();
catalog.finish()?;
drop(catalog); // close upload stream
if let Some(catalog_result_rx) = catalog_result_rx {
let stats = catalog_result_rx.await??;
manifest.add_file(CATALOG_NAME.to_owned(), stats.size, stats.csum, crypto.mode)?;
}
}
if let Some(rsa_encrypted_key) = rsa_encrypted_key {
let target = ENCRYPTED_KEY_BLOB_NAME;
println!("Upload RSA encoded key to '{:?}' as {}", repo, target);
let options = UploadOptions { compress: false, encrypt: false, ..UploadOptions::default() };
let stats = client
.upload_blob_from_data(rsa_encrypted_key, target, options)
.await?;
manifest.add_file(target.to_string(), stats.size, stats.csum, crypto.mode)?;
}
// create manifest (index.json)
// manifests are never encrypted, but include a signature
let manifest = manifest.to_string(crypt_config.as_ref().map(Arc::as_ref))
.map_err(|err| format_err!("unable to format manifest - {}", err))?;
if verbose { println!("Upload index.json to '{}'", repo) };
let options = UploadOptions { compress: true, encrypt: false, ..UploadOptions::default() };
client
.upload_blob_from_data(manifest.into_bytes(), MANIFEST_BLOB_NAME, options)
.await?;
client.finish().await?;
let end_time = std::time::Instant::now();
let elapsed = end_time.duration_since(start_time);
println!("Duration: {:.2}s", elapsed.as_secs_f64());
println!("End Time: {}", strftime_local("%c", epoch_i64())?);
Ok(Value::Null)
}
async fn dump_image<W: Write>(
client: Arc<BackupReader>,
crypt_config: Option<Arc<CryptConfig>>,
crypt_mode: CryptMode,
index: FixedIndexReader,
mut writer: W,
verbose: bool,
) -> Result<(), Error> {
let most_used = index.find_most_used_chunks(8);
let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, crypt_mode, most_used);
// Note: we avoid using BufferedFixedReader, because that add an additional buffer/copy
// and thus slows down reading. Instead, directly use RemoteChunkReader
let mut per = 0;
let mut bytes = 0;
let start_time = std::time::Instant::now();
for pos in 0..index.index_count() {
let digest = index.index_digest(pos).unwrap();
let raw_data = chunk_reader.read_chunk(&digest).await?;
writer.write_all(&raw_data)?;
bytes += raw_data.len();
if verbose {
let next_per = ((pos+1)*100)/index.index_count();
if per != next_per {
eprintln!("progress {}% (read {} bytes, duration {} sec)",
next_per, bytes, start_time.elapsed().as_secs());
per = next_per;
}
}
}
let end_time = std::time::Instant::now();
let elapsed = end_time.duration_since(start_time);
eprintln!("restore image complete (bytes={}, duration={:.2}s, speed={:.2}MB/s)",
bytes,
elapsed.as_secs_f64(),
bytes as f64/(1024.0*1024.0*elapsed.as_secs_f64())
);
Ok(())
}
fn parse_archive_type(name: &str) -> (String, ArchiveType) {
if name.ends_with(".didx") || name.ends_with(".fidx") || name.ends_with(".blob") {
(name.into(), archive_type(name).unwrap())
} else if name.ends_with(".pxar") {
(format!("{}.didx", name), ArchiveType::DynamicIndex)
} else if name.ends_with(".img") {
(format!("{}.fidx", name), ArchiveType::FixedIndex)
} else {
(format!("{}.blob", name), ArchiveType::Blob)
}
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
snapshot: {
type: String,
description: "Group/Snapshot path.",
},
"archive-name": {
description: "Backup archive name.",
type: String,
},
target: {
type: String,
description: r###"Target directory path. Use '-' to write to standard output.
We do not extract '.pxar' archives when writing to standard output.
"###
},
"allow-existing-dirs": {
type: Boolean,
description: "Do not fail if directories already exists.",
optional: true,
},
keyfile: {
schema: KEYFILE_SCHEMA,
optional: true,
},
"keyfd": {
schema: KEYFD_SCHEMA,
optional: true,
},
"crypt-mode": {
type: CryptMode,
optional: true,
},
}
}
)]
/// Restore backup repository.
async fn restore(param: Value) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
let verbose = param["verbose"].as_bool().unwrap_or(false);
let allow_existing_dirs = param["allow-existing-dirs"].as_bool().unwrap_or(false);
let archive_name = json::required_string_param(&param, "archive-name")?;
let client = connect(&repo)?;
record_repository(&repo);
let path = json::required_string_param(&param, "snapshot")?;
let (backup_type, backup_id, backup_time) = if path.matches('/').count() == 1 {
let group: BackupGroup = path.parse()?;
api_datastore_latest_snapshot(&client, repo.store(), group).await?
} else {
let snapshot: BackupDir = path.parse()?;
(snapshot.group().backup_type().to_owned(), snapshot.group().backup_id().to_owned(), snapshot.backup_time())
};
let target = json::required_string_param(&param, "target")?;
let target = if target == "-" { None } else { Some(target) };
let crypto = crypto_parameters(&param)?;
let crypt_config = match crypto.enc_key {
None => None,
Some(ref key) => {
let (key, _, _) =
decrypt_key(&key.key, &get_encryption_key_password).map_err(|err| {
eprintln!("{}", format_key_source(&key.source, "encryption"));
err
})?;
Some(Arc::new(CryptConfig::new(key)?))
}
};
let client = BackupReader::start(
client,
crypt_config.clone(),
repo.store(),
&backup_type,
&backup_id,
backup_time,
true,
).await?;
let (archive_name, archive_type) = parse_archive_type(archive_name);
let (manifest, backup_index_data) = client.download_manifest().await?;
if archive_name == ENCRYPTED_KEY_BLOB_NAME && crypt_config.is_none() {
eprintln!("Restoring encrypted key blob without original key - skipping manifest fingerprint check!")
} else {
if manifest.signature.is_some() {
if let Some(key) = &crypto.enc_key {
eprintln!("{}", format_key_source(&key.source, "encryption"));
}
if let Some(config) = &crypt_config {
eprintln!("Fingerprint: {}", Fingerprint::new(config.fingerprint()));
}
}
manifest.check_fingerprint(crypt_config.as_ref().map(Arc::as_ref))?;
}
if archive_name == MANIFEST_BLOB_NAME {
if let Some(target) = target {
replace_file(target, &backup_index_data, CreateOptions::new())?;
} else {
let stdout = std::io::stdout();
let mut writer = stdout.lock();
writer.write_all(&backup_index_data)
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
return Ok(Value::Null);
}
let file_info = manifest.lookup_file_info(&archive_name)?;
if archive_type == ArchiveType::Blob {
let mut reader = client.download_blob(&manifest, &archive_name).await?;
if let Some(target) = target {
let mut writer = std::fs::OpenOptions::new()
.write(true)
.create(true)
.create_new(true)
.open(target)
.map_err(|err| format_err!("unable to create target file {:?} - {}", target, err))?;
std::io::copy(&mut reader, &mut writer)?;
} else {
let stdout = std::io::stdout();
let mut writer = stdout.lock();
std::io::copy(&mut reader, &mut writer)
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if archive_type == ArchiveType::DynamicIndex {
let index = client.download_dynamic_index(&manifest, &archive_name).await?;
let most_used = index.find_most_used_chunks(8);
let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, file_info.chunk_crypt_mode(), most_used);
let mut reader = BufferedDynamicReader::new(index, chunk_reader);
let options = pbs_client::pxar::PxarExtractOptions {
match_list: &[],
extract_match_default: true,
allow_existing_dirs,
on_error: None,
};
if let Some(target) = target {
pbs_client::pxar::extract_archive(
pxar::decoder::Decoder::from_std(reader)?,
Path::new(target),
pbs_client::pxar::Flags::DEFAULT,
|path| {
if verbose {
println!("{:?}", path);
}
},
options,
)
.map_err(|err| format_err!("error extracting archive - {}", err))?;
} else {
let mut writer = std::fs::OpenOptions::new()
.write(true)
.open("/dev/stdout")
.map_err(|err| format_err!("unable to open /dev/stdout - {}", err))?;
std::io::copy(&mut reader, &mut writer)
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if archive_type == ArchiveType::FixedIndex {
let index = client.download_fixed_index(&manifest, &archive_name).await?;
let mut writer = if let Some(target) = target {
std::fs::OpenOptions::new()
.write(true)
.create(true)
.create_new(true)
.open(target)
.map_err(|err| format_err!("unable to create target file {:?} - {}", target, err))?
} else {
std::fs::OpenOptions::new()
.write(true)
.open("/dev/stdout")
.map_err(|err| format_err!("unable to open /dev/stdout - {}", err))?
};
dump_image(client.clone(), crypt_config.clone(), file_info.chunk_crypt_mode(), index, &mut writer, verbose).await?;
}
Ok(Value::Null)
}
#[api(
input: {
properties: {
"dry-run": {
type: bool,
optional: true,
description: "Just show what prune would do, but do not delete anything.",
},
group: {
type: String,
description: "Backup group",
},
"prune-options": {
type: PruneOptions,
flatten: true,
},
"output-format": {
schema: OUTPUT_FORMAT,
optional: true,
},
quiet: {
type: bool,
optional: true,
default: false,
description: "Minimal output - only show removals.",
},
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
},
},
)]
/// Prune a backup repository.
async fn prune(
dry_run: Option<bool>,
group: String,
prune_options: PruneOptions,
quiet: bool,
mut param: Value
) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
let mut client = connect(&repo)?;
let path = format!("api2/json/admin/datastore/{}/prune", repo.store());
let group: BackupGroup = group.parse()?;
let output_format = extract_output_format(&mut param);
let mut api_param = serde_json::to_value(prune_options)?;
if let Some(dry_run) = dry_run {
api_param["dry-run"] = dry_run.into();
}
api_param["backup-type"] = group.backup_type().into();
api_param["backup-id"] = group.backup_id().into();
let mut result = client.post(&path, Some(api_param)).await?;
record_repository(&repo);
let render_snapshot_path = |_v: &Value, record: &Value| -> Result<String, Error> {
let item: PruneListItem = serde_json::from_value(record.to_owned())?;
let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.backup_time)?;
Ok(snapshot.relative_path().to_str().unwrap().to_owned())
};
let render_prune_action = |v: &Value, _record: &Value| -> Result<String, Error> {
Ok(match v.as_bool() {
Some(true) => "keep",
Some(false) => "remove",
None => "unknown",
}.to_string())
};
let options = default_table_format_options()
.sortby("backup-type", false)
.sortby("backup-id", false)
.sortby("backup-time", false)
.column(ColumnConfig::new("backup-id").renderer(render_snapshot_path).header("snapshot"))
.column(ColumnConfig::new("backup-time").renderer(pbs_tools::format::render_epoch).header("date"))
.column(ColumnConfig::new("keep").renderer(render_prune_action).header("action"))
;
let return_type = &pbs_api_types::ADMIN_DATASTORE_PRUNE_RETURN_TYPE;
let mut data = result["data"].take();
if quiet {
let list: Vec<Value> = data.as_array().unwrap().iter().filter(|item| {
item["keep"].as_bool() == Some(false)
}).cloned().collect();
data = list.into();
}
format_and_print_result_full(&mut data, return_type, &output_format, &options);
Ok(Value::Null)
}
#[api(
input: {
properties: {
repository: {
schema: REPO_URL_SCHEMA,
optional: true,
},
"output-format": {
schema: OUTPUT_FORMAT,
optional: true,
},
}
},
returns: {
type: StorageStatus,
},
)]
/// Get repository status.
async fn status(param: Value) -> Result<Value, Error> {
let repo = extract_repository_from_value(&param)?;
let output_format = get_output_format(&param);
let client = connect(&repo)?;
let path = format!("api2/json/admin/datastore/{}/status", repo.store());
let mut result = client.get(&path, None).await?;
let mut data = result["data"].take();
record_repository(&repo);
let render_total_percentage = |v: &Value, record: &Value| -> Result<String, Error> {
let v = v.as_u64().unwrap();
let total = record["total"].as_u64().unwrap();
let roundup = total/200;
let per = ((v+roundup)*100)/total;
let info = format!(" ({} %)", per);
Ok(format!("{} {:>8}", v, info))
};
let options = default_table_format_options()
.noheader(true)
.column(ColumnConfig::new("total").renderer(render_total_percentage))
.column(ColumnConfig::new("used").renderer(render_total_percentage))
.column(ColumnConfig::new("avail").renderer(render_total_percentage));
let return_type = &API_METHOD_STATUS.returns;
format_and_print_result_full(&mut data, return_type, &output_format, &options);
Ok(Value::Null)
}
/// This is a workaround until we have cleaned up the chunk/reader/... infrastructure for better
/// async use!
///
/// Ideally BufferedDynamicReader gets replaced so the LruCache maps to `BroadcastFuture<Chunk>`,
/// so that we can properly access it from multiple threads simultaneously while not issuing
/// duplicate simultaneous reads over http.
pub struct BufferedDynamicReadAt {
inner: Mutex<BufferedDynamicReader<RemoteChunkReader>>,
}
impl BufferedDynamicReadAt {
fn new(inner: BufferedDynamicReader<RemoteChunkReader>) -> Self {
Self {
inner: Mutex::new(inner),
}
}
}
impl ReadAt for BufferedDynamicReadAt {
fn start_read_at<'a>(
self: Pin<&'a Self>,
_cx: &mut Context,
buf: &'a mut [u8],
offset: u64,
) -> MaybeReady<io::Result<usize>, ReadAtOperation<'a>> {
MaybeReady::Ready(tokio::task::block_in_place(move || {
let mut reader = self.inner.lock().unwrap();
reader.seek(SeekFrom::Start(offset))?;
Ok(reader.read(buf)?)
}))
}
fn poll_complete<'a>(
self: Pin<&'a Self>,
_op: ReadAtOperation<'a>,
) -> MaybeReady<io::Result<usize>, ReadAtOperation<'a>> {
panic!("BufferedDynamicReadAt::start_read_at returned Pending");
}
}
fn main() {
let backup_cmd_def = CliCommand::new(&API_METHOD_CREATE_BACKUP)
.arg_param(&["backupspec"])
.completion_cb("repository", complete_repository)
.completion_cb("backupspec", complete_backup_source)
.completion_cb("keyfile", pbs_tools::fs::complete_file_name)
.completion_cb("master-pubkey-file", pbs_tools::fs::complete_file_name)
.completion_cb("chunk-size", complete_chunk_size);
let benchmark_cmd_def = CliCommand::new(&API_METHOD_BENCHMARK)
.completion_cb("repository", complete_repository)
.completion_cb("keyfile", pbs_tools::fs::complete_file_name);
let list_cmd_def = CliCommand::new(&API_METHOD_LIST_BACKUP_GROUPS)
.completion_cb("repository", complete_repository);
let garbage_collect_cmd_def = CliCommand::new(&API_METHOD_START_GARBAGE_COLLECTION)
.completion_cb("repository", complete_repository);
let restore_cmd_def = CliCommand::new(&API_METHOD_RESTORE)
.arg_param(&["snapshot", "archive-name", "target"])
.completion_cb("repository", complete_repository)
.completion_cb("snapshot", complete_group_or_snapshot)
.completion_cb("archive-name", complete_archive_name)
.completion_cb("target", pbs_tools::fs::complete_file_name);
let prune_cmd_def = CliCommand::new(&API_METHOD_PRUNE)
.arg_param(&["group"])
.completion_cb("group", complete_backup_group)
.completion_cb("repository", complete_repository);
let status_cmd_def = CliCommand::new(&API_METHOD_STATUS)
.completion_cb("repository", complete_repository);
let login_cmd_def = CliCommand::new(&API_METHOD_API_LOGIN)
.completion_cb("repository", complete_repository);
let logout_cmd_def = CliCommand::new(&API_METHOD_API_LOGOUT)
.completion_cb("repository", complete_repository);
let version_cmd_def = CliCommand::new(&API_METHOD_API_VERSION)
.completion_cb("repository", complete_repository);
let change_owner_cmd_def = CliCommand::new(&API_METHOD_CHANGE_BACKUP_OWNER)
.arg_param(&["group", "new-owner"])
.completion_cb("group", complete_backup_group)
.completion_cb("new-owner", complete_auth_id)
.completion_cb("repository", complete_repository);
let cmd_def = CliCommandMap::new()
.insert("backup", backup_cmd_def)
.insert("garbage-collect", garbage_collect_cmd_def)
.insert("list", list_cmd_def)
.insert("login", login_cmd_def)
.insert("logout", logout_cmd_def)
.insert("prune", prune_cmd_def)
.insert("restore", restore_cmd_def)
.insert("snapshot", snapshot_mgtm_cli())
.insert("status", status_cmd_def)
.insert("key", key::cli())
.insert("mount", mount_cmd_def())
.insert("map", map_cmd_def())
.insert("unmap", unmap_cmd_def())
.insert("catalog", catalog_mgmt_cli())
.insert("task", task_mgmt_cli())
.insert("version", version_cmd_def)
.insert("benchmark", benchmark_cmd_def)
.insert("change-owner", change_owner_cmd_def)
.alias(&["files"], &["snapshot", "files"])
.alias(&["forget"], &["snapshot", "forget"])
.alias(&["upload-log"], &["snapshot", "upload-log"])
.alias(&["snapshots"], &["snapshot", "list"])
;
let rpcenv = CliEnvironment::new();
run_cli_command(cmd_def, rpcenv, Some(|future| {
pbs_runtime::main(future)
}));
}