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src/api2/admin/datastore.rs: impl list_snapshots

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This commit is contained in:
Dietmar Maurer
2019-03-02 16:20:50 +01:00
parent af53186e6a
commit 184f17afad
4 changed files with 159 additions and 11 deletions
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39
src/backup/datastore.rs
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@ -7,6 +7,7 @@ use std::path::{PathBuf, Path};
use std::collections::HashMap;
use lazy_static::lazy_static;
use std::sync::{Mutex, Arc};
use regex::Regex;
use crate::tools;
use crate::config::datastore;
@ -37,6 +38,17 @@ pub struct BackupGroup {
impl BackupGroup {
pub fn parse(path: &str) -> Result<Self, Error> {
let cap = GROUP_PATH_REGEX.captures(path)
.ok_or_else(|| format_err!("unable to parse backup group path '{}'", path))?;
Ok(Self {
backup_type: cap.get(1).unwrap().as_str().to_owned(),
backup_id: cap.get(2).unwrap().as_str().to_owned(),
})
}
pub fn group_path(&self) -> PathBuf {
let mut relative_path = PathBuf::new();
@ -84,8 +96,27 @@ pub struct BackupInfo {
}
macro_rules! BACKUP_ID_RE { () => ("[A-Za-z0-9][A-Za-z0-9_-]+") }
macro_rules! BACKUP_TYPE_RE { () => ("(?:host|vm|ct)") }
lazy_static!{
static ref datastore_map: Mutex<HashMap<String, Arc<DataStore>>> = Mutex::new(HashMap::new());
static ref BACKUP_FILE_REGEX: Regex = Regex::new(
r"^.*\.([fd]idx)$").unwrap();
static ref BACKUP_TYPE_REGEX: Regex = Regex::new(
concat!(r"^(", BACKUP_TYPE_RE!(), r")$")).unwrap();
static ref BACKUP_ID_REGEX: Regex = Regex::new(
concat!(r"^", BACKUP_ID_RE!(), r"$")).unwrap();
static ref BACKUP_DATE_REGEX: Regex = Regex::new(
r"^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}\+[0-9]{2}:[0-9]{2}$").unwrap();
static ref GROUP_PATH_REGEX: Regex = Regex::new(
concat!(r"(", BACKUP_TYPE_RE!(), ")/(", BACKUP_ID_RE!(), r")$")).unwrap();
}
impl DataStore {
@ -241,14 +272,6 @@ impl DataStore {
let mut list = vec![];
lazy_static! {
static ref BACKUP_FILE_REGEX: regex::Regex = regex::Regex::new(r"^.*\.([fd]idx)$").unwrap();
static ref BACKUP_TYPE_REGEX: regex::Regex = regex::Regex::new(r"^(host|vm|ct)$").unwrap();
static ref BACKUP_ID_REGEX: regex::Regex = regex::Regex::new(r"^[A-Za-z][A-Za-z0-9_-]+$").unwrap();
static ref BACKUP_DATE_REGEX: regex::Regex = regex::Regex::new(
r"^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}\+[0-9]{2}:[0-9]{2}$").unwrap();
}
tools::scandir(libc::AT_FDCWD, &path, &BACKUP_TYPE_REGEX, |l0_fd, backup_type, file_type| {
if file_type != nix::dir::Type::Directory { return Ok(()); }
tools::scandir(l0_fd, backup_type, &BACKUP_ID_REGEX, |l1_fd, backup_id, file_type| {