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Commit | Line | Data |
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fe0e04c6 | 1 | extern crate proxmox_backup; |
ff5d3707 | 2 | |
3 | use failure::*; | |
606ce64b | 4 | use std::os::unix::io::AsRawFd; |
ff5d3707 | 5 | |
fe0e04c6 DM |
6 | use proxmox_backup::tools; |
7 | use proxmox_backup::cli::command::*; | |
8 | use proxmox_backup::api::schema::*; | |
9 | use proxmox_backup::api::router::*; | |
10 | //use proxmox_backup::backup::chunk_store::*; | |
11 | //use proxmox_backup::backup::image_index::*; | |
12 | //use proxmox_backup::config::datastore; | |
fb8365b7 | 13 | use proxmox_backup::catar::encoder::*; |
fe0e04c6 | 14 | use proxmox_backup::backup::datastore::*; |
43eeef28 | 15 | use serde_json::{Value}; |
ff5d3707 | 16 | |
a914a774 | 17 | fn required_string_param<'a>(param: &'a Value, name: &str) -> &'a str { |
18 | param[name].as_str().expect(&format!("missing parameter '{}'", name)) | |
19 | } | |
20 | ||
fb8365b7 DM |
21 | fn backup_dir( |
22 | datastore: &DataStore, | |
23 | path: &str, | |
24 | dir: &mut nix::dir::Dir, | |
25 | target: &str, | |
26 | chunk_size: usize, | |
27 | ) -> Result<(), Error> { | |
bcd879cf DM |
28 | |
29 | let mut target = std::path::PathBuf::from(target); | |
30 | ||
31 | if let Some(ext) = target.extension() { | |
32 | if ext != "aidx" { | |
33 | bail!("got wrong file extension - expected '.aidx'"); | |
34 | } | |
35 | } else { | |
36 | target.set_extension("aidx"); | |
37 | } | |
38 | ||
5e7a09be | 39 | let mut index = datastore.create_archive_writer(&target, chunk_size)?; |
fb8365b7 DM |
40 | |
41 | let path = std::path::PathBuf::from(path); | |
42 | ||
4c0fd487 | 43 | CaTarEncoder::encode(path, dir, None, &mut index)?; |
5e7a09be DM |
44 | |
45 | index.close()?; // commit changes | |
bcd879cf DM |
46 | |
47 | Ok(()) | |
48 | } | |
49 | ||
50 | fn backup_image(datastore: &DataStore, file: &std::fs::File, size: usize, target: &str, chunk_size: usize) -> Result<(), Error> { | |
51 | ||
52 | let mut target = std::path::PathBuf::from(target); | |
53 | ||
54 | if let Some(ext) = target.extension() { | |
55 | if ext != "iidx" { | |
56 | bail!("got wrong file extension - expected '.iidx'"); | |
57 | } | |
58 | } else { | |
59 | target.set_extension("iidx"); | |
60 | } | |
61 | ||
62 | let mut index = datastore.create_image_writer(&target, size, chunk_size)?; | |
63 | ||
64 | tools::file_chunker(file, chunk_size, |pos, chunk| { | |
65 | index.add_chunk(pos, chunk)?; | |
66 | Ok(true) | |
67 | })?; | |
68 | ||
69 | index.close()?; // commit changes | |
70 | ||
71 | Ok(()) | |
72 | } | |
73 | ||
74 | fn create_backup(param: Value, _info: &ApiMethod) -> Result<Value, Error> { | |
ff5d3707 | 75 | |
a914a774 | 76 | let filename = required_string_param(¶m, "filename"); |
77 | let store = required_string_param(¶m, "store"); | |
c34eb166 | 78 | let target = required_string_param(¶m, "target"); |
a914a774 | 79 | |
2d9d143a DM |
80 | let mut chunk_size = 4*1024*1024; |
81 | ||
82 | if let Some(size) = param["chunk-size"].as_u64() { | |
83 | static SIZES: [u64; 7] = [64, 128, 256, 512, 1024, 2048, 4096]; | |
84 | ||
85 | if SIZES.contains(&size) { | |
86 | chunk_size = (size as usize) * 1024; | |
87 | } else { | |
88 | bail!("Got unsupported chunk size '{}'", size); | |
89 | } | |
90 | } | |
91 | ||
bcd879cf | 92 | let datastore = DataStore::open(store)?; |
a914a774 | 93 | |
bcd879cf | 94 | let file = std::fs::File::open(filename)?; |
fb8365b7 DM |
95 | let rawfd = file.as_raw_fd(); |
96 | let stat = nix::sys::stat::fstat(rawfd)?; | |
a914a774 | 97 | |
bcd879cf DM |
98 | if (stat.st_mode & libc::S_IFDIR) != 0 { |
99 | println!("Backup directory '{}' to '{}'", filename, store); | |
100 | ||
fb8365b7 DM |
101 | let mut dir = nix::dir::Dir::from_fd(rawfd)?; |
102 | ||
103 | backup_dir(&datastore, &filename, &mut dir, &target, chunk_size)?; | |
bcd879cf DM |
104 | |
105 | } else if (stat.st_mode & (libc::S_IFREG|libc::S_IFBLK)) != 0 { | |
106 | println!("Backup file '{}' to '{}'", filename, store); | |
606ce64b | 107 | |
4818c8b6 DM |
108 | if stat.st_size <= 0 { bail!("got strange file size '{}'", stat.st_size); } |
109 | let size = stat.st_size as usize; | |
a914a774 | 110 | |
bcd879cf | 111 | backup_image(&datastore, &file, size, &target, chunk_size)?; |
d62e6e22 | 112 | |
594fa520 DM |
113 | // let idx = datastore.open_image_reader(target)?; |
114 | // idx.print_info(); | |
4818c8b6 | 115 | |
bcd879cf DM |
116 | } else { |
117 | bail!("unsupported file type (expected a directory, file or block device)"); | |
4818c8b6 DM |
118 | } |
119 | ||
f0819fe5 | 120 | //datastore.garbage_collection()?; |
3d5c11e5 | 121 | |
ff5d3707 | 122 | Ok(Value::Null) |
123 | } | |
124 | ||
125 | ||
126 | fn main() { | |
127 | ||
128 | let cmd_def = CliCommand::new( | |
129 | ApiMethod::new( | |
bcd879cf DM |
130 | create_backup, |
131 | ObjectSchema::new("Create backup.") | |
132 | .required("filename", StringSchema::new("Source name (file or directory name)")) | |
ff5d3707 | 133 | .required("store", StringSchema::new("Datastore name.")) |
c34eb166 | 134 | .required("target", StringSchema::new("Target name.")) |
2d9d143a DM |
135 | .optional( |
136 | "chunk-size", | |
137 | IntegerSchema::new("Chunk size in KB. Must be a power of 2.") | |
138 | .minimum(64) | |
139 | .maximum(4096) | |
140 | .default(4096) | |
141 | ) | |
ff5d3707 | 142 | )) |
c34eb166 | 143 | .arg_param(vec!["filename", "target"]) |
fe0e04c6 | 144 | .completion_cb("store", proxmox_backup::config::datastore::complete_datastore_name); |
f8838fe9 | 145 | |
a914a774 | 146 | |
ff5d3707 | 147 | if let Err(err) = run_cli_command(&cmd_def.into()) { |
148 | eprintln!("Error: {}", err); | |
4968bc3a WB |
149 | if err.downcast::<UsageError>().is_ok() { |
150 | print_cli_usage(); | |
151 | } | |
ff5d3707 | 152 | std::process::exit(-1); |
153 | } | |
154 | ||
155 | } |