574 lines
18 KiB
Rust
574 lines
18 KiB
Rust
extern crate proxmox_backup;
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use failure::*;
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//use std::os::unix::io::AsRawFd;
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use chrono::{DateTime, Local, TimeZone};
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use std::path::Path;
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use proxmox_backup::tools;
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use proxmox_backup::cli::*;
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use proxmox_backup::api_schema::*;
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use proxmox_backup::api_schema::router::*;
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use proxmox_backup::client::*;
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use proxmox_backup::backup::*;
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//use proxmox_backup::backup::image_index::*;
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//use proxmox_backup::config::datastore;
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//use proxmox_backup::catar::encoder::*;
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//use proxmox_backup::backup::datastore::*;
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use serde_json::{json, Value};
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use hyper::Body;
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use std::sync::Arc;
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use regex::Regex;
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use lazy_static::lazy_static;
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lazy_static! {
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static ref BACKUPSPEC_REGEX: Regex = Regex::new(r"^([a-zA-Z0-9_-]+):(.+)$").unwrap();
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}
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fn backup_directory<P: AsRef<Path>>(
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client: &mut HttpClient,
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repo: &BackupRepository,
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dir_path: P,
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archive_name: &str,
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backup_id: &str,
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backup_time: DateTime<Local>,
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chunk_size: Option<u64>,
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verbose: bool,
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) -> Result<(), Error> {
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let mut param = json!({
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"archive-name": archive_name,
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"backup-type": "host",
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"backup-id": backup_id,
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"backup-time": backup_time.timestamp(),
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});
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if let Some(size) = chunk_size {
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param["chunk-size"] = size.into();
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}
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let query = tools::json_object_to_query(param)?;
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let path = format!("api2/json/admin/datastore/{}/catar?{}", repo.store, query);
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let stream = CaTarBackupStream::open(dir_path.as_ref(), verbose)?;
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let body = Body::wrap_stream(stream);
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client.upload("application/x-proxmox-backup-catar", body, &path)?;
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Ok(())
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}
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/****
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fn backup_image(datastore: &DataStore, file: &std::fs::File, size: usize, target: &str, chunk_size: usize) -> Result<(), Error> {
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let mut target = PathBuf::from(target);
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if let Some(ext) = target.extension() {
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if ext != "fidx" {
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bail!("got wrong file extension - expected '.fidx'");
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}
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} else {
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target.set_extension("fidx");
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}
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let mut index = datastore.create_image_writer(&target, size, chunk_size)?;
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tools::file_chunker(file, chunk_size, |pos, chunk| {
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index.add_chunk(pos, chunk)?;
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Ok(true)
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})?;
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index.close()?; // commit changes
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Ok(())
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}
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*/
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fn list_backups(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/backups", repo.store);
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let result = client.get(&path)?;
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// fixme: implement and use output formatter instead ..
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let list = result["data"].as_array().unwrap();
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for item in list {
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let id = item["backup-id"].as_str().unwrap();
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let btype = item["backup-type"].as_str().unwrap();
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let epoch = item["backup-time"].as_i64().unwrap();
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let backup_dir = BackupDir::new(btype, id, epoch);
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let files = item["files"].as_array().unwrap().iter().map(|v| v.as_str().unwrap().to_owned()).collect();
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let info = BackupInfo { backup_dir, files };
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for filename in info.files {
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let path = info.backup_dir.relative_path().to_str().unwrap().to_owned();
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println!("{} | {}/{}", info.backup_dir.backup_time().format("%c"), path, filename);
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}
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}
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//Ok(result)
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Ok(Value::Null)
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}
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fn list_backup_groups(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/groups", repo.store);
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let mut result = client.get(&path)?;
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// fixme: implement and use output formatter instead ..
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let list = result["data"].as_array_mut().unwrap();
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list.sort_unstable_by(|a, b| {
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let a_id = a["backup-id"].as_str().unwrap();
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let a_backup_type = a["backup-type"].as_str().unwrap();
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let b_id = b["backup-id"].as_str().unwrap();
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let b_backup_type = b["backup-type"].as_str().unwrap();
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let type_order = a_backup_type.cmp(b_backup_type);
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if type_order == std::cmp::Ordering::Equal {
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a_id.cmp(b_id)
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} else {
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type_order
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}
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});
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for item in list {
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let id = item["backup-id"].as_str().unwrap();
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let btype = item["backup-type"].as_str().unwrap();
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let epoch = item["last-backup"].as_i64().unwrap();
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let last_backup = Local.timestamp(epoch, 0);
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let backup_count = item["backup-count"].as_u64().unwrap();
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let group = BackupGroup::new(btype, id);
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let path = group.group_path().to_str().unwrap().to_owned();
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let files = item["files"].as_array().unwrap().iter()
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.map(|v| {
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v.as_str().unwrap().to_owned()
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}).collect();
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println!("{:20} | {} | {:5} | {}", path, last_backup.format("%c"),
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backup_count, tools::join(&files, ' '));
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}
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//Ok(result)
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Ok(Value::Null)
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}
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fn list_snapshots(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let path = tools::required_string_param(¶m, "group")?;
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let group = BackupGroup::parse(path)?;
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let query = tools::json_object_to_query(json!({
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"backup-type": group.backup_type(),
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"backup-id": group.backup_id(),
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}))?;
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/snapshots?{}", repo.store, query);
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// fixme: params
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let result = client.get(&path)?;
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// fixme: implement and use output formatter instead ..
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let list = result["data"].as_array().unwrap();
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for item in list {
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let id = item["backup-id"].as_str().unwrap();
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let btype = item["backup-type"].as_str().unwrap();
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let epoch = item["backup-time"].as_i64().unwrap();
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let snapshot = BackupDir::new(btype, id, epoch);
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let path = snapshot.relative_path().to_str().unwrap().to_owned();
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let files = item["files"].as_array().unwrap().iter()
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.map(|v| {
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v.as_str().unwrap().to_owned()
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}).collect();
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println!("{} | {} | {}", path, snapshot.backup_time().format("%c"), tools::join(&files, ' '));
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}
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Ok(Value::Null)
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}
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fn forget_snapshots(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let path = tools::required_string_param(¶m, "snapshot")?;
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let snapshot = BackupDir::parse(path)?;
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let query = tools::json_object_to_query(json!({
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"backup-type": snapshot.group().backup_type(),
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"backup-id": snapshot.group().backup_id(),
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"backup-time": snapshot.backup_time().timestamp(),
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}))?;
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/snapshots?{}", repo.store, query);
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let result = client.delete(&path)?;
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Ok(result)
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}
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fn start_garbage_collection(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/gc", repo.store);
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let result = client.post(&path)?;
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Ok(result)
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}
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fn parse_backupspec(value: &str) -> Result<(&str, &str), Error> {
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if let Some(caps) = BACKUPSPEC_REGEX.captures(value) {
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return Ok((caps.get(1).unwrap().as_str(), caps.get(2).unwrap().as_str()));
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}
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bail!("unable to parse directory specification '{}'", value);
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}
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fn create_backup(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let backupspec_list = tools::required_array_param(¶m, "backupspec")?;
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let repo = BackupRepository::parse(repo_url)?;
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let verbose = param["verbose"].as_bool().unwrap_or(false);
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let chunk_size_opt = param["chunk-size"].as_u64().map(|v| v*1024);
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if let Some(size) = chunk_size_opt {
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verify_chunk_size(size)?;
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}
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let backup_id = param["host-id"].as_str().unwrap_or(&tools::nodename());
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let mut upload_list = vec![];
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for backupspec in backupspec_list {
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let (target, filename) = parse_backupspec(backupspec.as_str().unwrap())?;
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let stat = match nix::sys::stat::stat(filename) {
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Ok(s) => s,
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Err(err) => bail!("unable to access '{}' - {}", filename, err),
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};
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if (stat.st_mode & libc::S_IFDIR) != 0 {
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let target = format!("{}.catar", target);
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upload_list.push((filename.to_owned(), target));
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} else if (stat.st_mode & (libc::S_IFREG|libc::S_IFBLK)) != 0 {
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if stat.st_size <= 0 { bail!("got strange file size '{}'", stat.st_size); }
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let _size = stat.st_size as usize;
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panic!("implement me");
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//backup_image(&datastore, &file, size, &target, chunk_size)?;
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// let idx = datastore.open_image_reader(target)?;
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// idx.print_info();
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} else {
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bail!("unsupported file type (expected a directory, file or block device)");
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}
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}
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let backup_time = Local.timestamp(Local::now().timestamp(), 0);
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let mut client = HttpClient::new(&repo.host, &repo.user);
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client.login()?; // login before starting backup
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println!("Starting backup");
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println!("Client name: {}", tools::nodename());
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println!("Start Time: {}", backup_time.to_rfc3339());
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for (filename, target) in upload_list {
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println!("Upload '{}' to '{:?}' as {}", filename, repo, target);
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backup_directory(&mut client, &repo, &filename, &target, backup_id, backup_time, chunk_size_opt, verbose)?;
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}
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let end_time = Local.timestamp(Local::now().timestamp(), 0);
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let elapsed = end_time.signed_duration_since(backup_time);
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println!("Duration: {}", elapsed);
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println!("End Time: {}", end_time.to_rfc3339());
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Ok(Value::Null)
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}
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pub fn complete_backup_source(arg: &str) -> Vec<String> {
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let mut result = vec![];
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let data: Vec<&str> = arg.splitn(2, ':').collect();
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if data.len() != 2 { return result; }
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let files = tools::complete_file_name(data[1]);
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for file in files {
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result.push(format!("{}:{}", data[0], file));
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}
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result
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}
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fn restore(
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param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let path = tools::required_string_param(¶m, "snapshot")?;
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let snapshot = BackupDir::parse(path)?;
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let query = tools::json_object_to_query(json!({
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"backup-type": snapshot.group().backup_type(),
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"backup-id": snapshot.group().backup_id(),
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"backup-time": snapshot.backup_time().timestamp(),
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}))?;
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let target_path = tools::required_string_param(¶m, "target")?;
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if let Err(err) = std::fs::create_dir(target_path) {
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bail!("unable to create target directory - {}", err);
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}
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/files?{}", repo.store, query);
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let result = client.get(&path)?;
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let files = result["data"].as_array().unwrap();
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for file in files {
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let file = file.as_str().unwrap();
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let query = tools::json_object_to_query(json!({
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"backup-type": snapshot.group().backup_type(),
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"backup-id": snapshot.group().backup_id(),
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"backup-time": snapshot.backup_time().timestamp(),
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"archive-name": file,
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}))?;
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if file.ends_with(".catar.didx") {
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let path = format!("api2/json/admin/datastore/{}/catar?{}", repo.store, query);
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let mut target = std::path::PathBuf::from(target_path);
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target.push(file);
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target.set_extension("");
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let fh = std::fs::OpenOptions::new()
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.create_new(true)
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.write(true)
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.open(&target)?;
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println!("DOWNLOAD FILE {} to {:?}", path, target);
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client.download(&path, Box::new(fh))?;
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} else {
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bail!("unknown file extensions - unable to download '{}'", file);
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}
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}
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Ok(Value::Null)
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}
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fn prune(
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mut param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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let repo_url = tools::required_string_param(¶m, "repository")?;
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let repo = BackupRepository::parse(repo_url)?;
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let mut client = HttpClient::new(&repo.host, &repo.user);
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let path = format!("api2/json/admin/datastore/{}/prune", repo.store);
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param.as_object_mut().unwrap().remove("repository");
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let result = client.post_json(&path, param)?;
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Ok(result)
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}
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fn main() {
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let repo_url_schema: Arc<Schema> = Arc::new(
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StringSchema::new("Repository URL.")
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.format(BACKUP_REPO_URL.clone())
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.max_length(256)
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.into()
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);
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let backup_source_schema: Arc<Schema> = Arc::new(
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StringSchema::new("Backup source specification ([<label>:<path>]).")
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.format(Arc::new(ApiStringFormat::Pattern(&BACKUPSPEC_REGEX)))
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.into()
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);
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let backup_cmd_def = CliCommand::new(
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ApiMethod::new(
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create_backup,
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ObjectSchema::new("Create (host) backup.")
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.required("repository", repo_url_schema.clone())
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.required(
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"backupspec",
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ArraySchema::new(
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"List of backup source specifications ([<label>:<path>] ...)",
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backup_source_schema,
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).min_length(1)
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)
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.optional(
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"verbose",
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BooleanSchema::new("Verbose output.").default(false))
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.optional(
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"host-id",
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StringSchema::new("Use specified ID for the backup group name ('host/<id>'). The default is the system hostname."))
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.optional(
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"chunk-size",
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IntegerSchema::new("Chunk size in KB. Must be a power of 2.")
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.minimum(64)
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.maximum(4096)
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.default(4096)
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)
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))
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.arg_param(vec!["repository", "backupspec"])
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.completion_cb("backupspec", complete_backup_source);
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let list_cmd_def = CliCommand::new(
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ApiMethod::new(
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list_backup_groups,
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ObjectSchema::new("List backup groups.")
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.required("repository", repo_url_schema.clone())
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))
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.arg_param(vec!["repository"]);
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let snapshots_cmd_def = CliCommand::new(
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ApiMethod::new(
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list_snapshots,
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ObjectSchema::new("List backup snapshots.")
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.required("repository", repo_url_schema.clone())
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.required("group", StringSchema::new("Backup group."))
|
|
))
|
|
.arg_param(vec!["repository", "group"]);
|
|
|
|
let forget_cmd_def = CliCommand::new(
|
|
ApiMethod::new(
|
|
forget_snapshots,
|
|
ObjectSchema::new("Forget (remove) backup snapshots.")
|
|
.required("repository", repo_url_schema.clone())
|
|
.required("snapshot", StringSchema::new("Snapshot path."))
|
|
))
|
|
.arg_param(vec!["repository", "snapshot"]);
|
|
|
|
let garbage_collect_cmd_def = CliCommand::new(
|
|
ApiMethod::new(
|
|
start_garbage_collection,
|
|
ObjectSchema::new("Start garbage collection for a specific repository.")
|
|
.required("repository", repo_url_schema.clone())
|
|
))
|
|
.arg_param(vec!["repository"]);
|
|
|
|
let restore_cmd_def = CliCommand::new(
|
|
ApiMethod::new(
|
|
restore,
|
|
ObjectSchema::new("Restore backup repository.")
|
|
.required("repository", repo_url_schema.clone())
|
|
.required("snapshot", StringSchema::new("Snapshot path."))
|
|
.required("target", StringSchema::new("Target directory path."))
|
|
))
|
|
.arg_param(vec!["repository", "snapshot", "target"]);
|
|
|
|
let prune_cmd_def = CliCommand::new(
|
|
ApiMethod::new(
|
|
prune,
|
|
proxmox_backup::api2::admin::datastore::add_common_prune_prameters(
|
|
ObjectSchema::new("Prune backup repository.")
|
|
.required("repository", repo_url_schema.clone())
|
|
)
|
|
))
|
|
.arg_param(vec!["repository"]);
|
|
|
|
let cmd_def = CliCommandMap::new()
|
|
.insert("backup".to_owned(), backup_cmd_def.into())
|
|
.insert("forget".to_owned(), forget_cmd_def.into())
|
|
.insert("garbage-collect".to_owned(), garbage_collect_cmd_def.into())
|
|
.insert("list".to_owned(), list_cmd_def.into())
|
|
.insert("prune".to_owned(), prune_cmd_def.into())
|
|
.insert("restore".to_owned(), restore_cmd_def.into())
|
|
.insert("snapshots".to_owned(), snapshots_cmd_def.into());
|
|
|
|
run_cli_command(cmd_def.into());
|
|
}
|