src/bin/proxmox-backup-client.rs

   1 extern crate proxmox_backup;
   2
   3 use failure::*;
   4 //use std::os::unix::io::AsRawFd;
   5 use chrono::{Local, TimeZone};
   6
   7 use proxmox_backup::tools;
   8 use proxmox_backup::cli::command::*;
   9 use proxmox_backup::api_schema::*;
  10 use proxmox_backup::api_schema::router::*;
  11 use proxmox_backup::client::*;
  12 use proxmox_backup::backup::*;
  13 //use proxmox_backup::backup::image_index::*;
  14 //use proxmox_backup::config::datastore;
  15 //use proxmox_backup::catar::encoder::*;
  16 //use proxmox_backup::backup::datastore::*;
  17
  18 use serde_json::{Value};
  19 use hyper::Body;
  20 use std::sync::Arc;
  21
  22 fn backup_directory(
  23     repo: &BackupRepository,
  24     body: Body,
  25     archive_name: &str,
  26     chunk_size: Option<u64>,
  27 ) -> Result<(), Error> {
  28
  29     let client = HttpClient::new(&repo.host, &repo.user);
  30
  31     let epoch = std::time::SystemTime::now().duration_since(
  32         std::time::SystemTime::UNIX_EPOCH)?.as_secs();
  33
  34     let mut query = url::form_urlencoded::Serializer::new(String::new());
  35
  36     query
  37         .append_pair("archive_name", archive_name)
  38         .append_pair("type", "host")
  39         .append_pair("id", &tools::nodename())
  40         .append_pair("time", &epoch.to_string());
  41
  42     if let Some(size) = chunk_size {
  43         query.append_pair("chunk-size", &size.to_string());
  44     }
  45
  46     let query = query.finish();
  47
  48     let path = format!("api2/json/admin/datastore/{}/catar?{}", repo.store, query);
  49
  50     client.upload("application/x-proxmox-backup-catar", body, &path)?;
  51
  52     Ok(())
  53 }
  54
  55 /****
  56 fn backup_image(datastore: &DataStore, file: &std::fs::File, size: usize, target: &str, chunk_size: usize) -> Result<(), Error> {
  57
  58     let mut target = PathBuf::from(target);
  59
  60     if let Some(ext) = target.extension() {
  61         if ext != "fidx" {
  62             bail!("got wrong file extension - expected '.fidx'");
  63         }
  64     } else {
  65         target.set_extension("fidx");
  66     }
  67
  68     let mut index = datastore.create_image_writer(&target, size, chunk_size)?;
  69
  70     tools::file_chunker(file, chunk_size, |pos, chunk| {
  71         index.add_chunk(pos, chunk)?;
  72         Ok(true)
  73     })?;
  74
  75     index.close()?; // commit changes
  76
  77     Ok(())
  78 }
  79 */
  80
  81 fn list_backups(
  82     param: Value,
  83     _info: &ApiMethod,
  84     _rpcenv: &mut RpcEnvironment,
  85 ) -> Result<Value, Error> {
  86
  87     let repo_url = tools::required_string_param(&param, "repository")?;
  88     let repo = BackupRepository::parse(repo_url)?;
  89
  90     let client = HttpClient::new(&repo.host, &repo.user);
  91
  92     let path = format!("api2/json/admin/datastore/{}/backups", repo.store);
  93
  94     let result = client.get(&path)?;
  95
  96     // fixme: implement and use output formatter instead ..
  97     let list = result["data"].as_array().unwrap();
  98
  99     for item in list {
 100
 101         let id = item["backup_id"].as_str(). unwrap();
 102         let btype = item["backup_type"].as_str(). unwrap();
 103         let epoch = item["backup_time"].as_i64(). unwrap();
 104
 105         let time_str = Local.timestamp(epoch, 0).format("%c");
 106
 107         let files = item["files"].as_array().unwrap();
 108
 109         for file in files {
 110             let filename = file.as_str().unwrap();
 111             println!("| {} | {} | {} | {}", btype, id, time_str, filename);
 112         }
 113     }
 114
 115     //Ok(result)
 116     Ok(Value::Null)
 117 }
 118
 119
 120 fn create_backup(
 121     param: Value,
 122     _info: &ApiMethod,
 123     _rpcenv: &mut RpcEnvironment,
 124 ) -> Result<Value, Error> {
 125
 126     let filename = tools::required_string_param(&param, "filename")?;
 127     let repo_url = tools::required_string_param(&param, "repository")?;
 128     let target = tools::required_string_param(&param, "target")?;
 129
 130     let repo = BackupRepository::parse(repo_url)?;
 131
 132     let chunk_size_opt = param["chunk-size"].as_u64().map(|v| v*1024);
 133
 134     if let Some(size) = chunk_size_opt {
 135         verify_chunk_size(size)?;
 136     }
 137
 138     let stat = match nix::sys::stat::stat(filename) {
 139         Ok(s) => s,
 140         Err(err) => bail!("unable to access '{}' - {}", filename, err),
 141     };
 142
 143     if (stat.st_mode & libc::S_IFDIR) != 0 {
 144         println!("Backup directory '{}' to '{:?}'", filename, repo);
 145
 146         let stream = CaTarBackupStream::open(filename)?;
 147
 148         let body = Body::wrap_stream(stream);
 149
 150         backup_directory(&repo, body, target, chunk_size_opt)?;
 151
 152     } else if (stat.st_mode & (libc::S_IFREG|libc::S_IFBLK)) != 0 {
 153         println!("Backup image '{}' to '{:?}'", filename, repo);
 154
 155         if stat.st_size <= 0 { bail!("got strange file size '{}'", stat.st_size); }
 156         let _size = stat.st_size as usize;
 157
 158         panic!("implement me");
 159
 160         //backup_image(&datastore, &file, size, &target, chunk_size)?;
 161
 162        // let idx = datastore.open_image_reader(target)?;
 163        // idx.print_info();
 164
 165     } else {
 166         bail!("unsupported file type (expected a directory, file or block device)");
 167     }
 168
 169     //datastore.garbage_collection()?;
 170
 171     Ok(Value::Null)
 172 }
 173
 174 fn main() {
 175
 176     let repo_url_schema: Arc<Schema> = Arc::new(
 177         StringSchema::new("Repository URL.")
 178             .format(BACKUP_REPO_URL.clone())
 179             .max_length(256)
 180             .into()
 181     );
 182
 183     let create_cmd_def = CliCommand::new(
 184         ApiMethod::new(
 185             create_backup,
 186             ObjectSchema::new("Create backup.")
 187                 .required("repository", repo_url_schema.clone())
 188                 .required("filename", StringSchema::new("Source name (file or directory name)"))
 189                 .required("target", StringSchema::new("Target name."))
 190                 .optional(
 191                     "chunk-size",
 192                     IntegerSchema::new("Chunk size in KB. Must be a power of 2.")
 193                         .minimum(64)
 194                         .maximum(4096)
 195                         .default(4096)
 196                 )
 197         ))
 198         .arg_param(vec!["repository", "filename", "target"])
 199         .completion_cb("filename", tools::complete_file_name);
 200
 201     let list_cmd_def = CliCommand::new(
 202         ApiMethod::new(
 203             list_backups,
 204             ObjectSchema::new("List backups.")
 205                 .required("repository", repo_url_schema.clone())
 206         ))
 207         .arg_param(vec!["repository"]);
 208
 209     let cmd_def = CliCommandMap::new()
 210         .insert("create".to_owned(), create_cmd_def.into())
 211         .insert("list".to_owned(), list_cmd_def.into());
 212
 213     if let Err(err) = run_cli_command(&cmd_def.into()) {
 214         eprintln!("Error: {}", err);
 215         if err.downcast::<UsageError>().is_ok() {
 216             print_cli_usage();
 217         }
 218         std::process::exit(-1);
 219     }
 220
 221 }