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tape: store datastore name in tape archives and media catalog

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So that we can store multiple datastores on a single media set.
Deduplication is now per datastore (not per media set).
This commit is contained in:
Dietmar Maurer
2021-03-16 12:52:49 +01:00
parent 0e2bf3aa1d
commit 54722acada
9 changed files with 237 additions and 95 deletions
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25
src/tape/file_formats/mod.rs
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@ -44,12 +44,19 @@ pub const PROXMOX_BACKUP_MEDIA_LABEL_MAGIC_1_0: [u8; 8] = [42, 5, 191, 60, 176,
pub const PROXMOX_BACKUP_MEDIA_SET_LABEL_MAGIC_1_0: [u8; 8] = [8, 96, 99, 249, 47, 151, 83, 216];
// openssl::sha::sha256(b"Proxmox Backup Chunk Archive v1.0")[0..8]
// only used in unreleased version - no longer supported
pub const PROXMOX_BACKUP_CHUNK_ARCHIVE_MAGIC_1_0: [u8; 8] = [62, 173, 167, 95, 49, 76, 6, 110];
// openssl::sha::sha256(b"Proxmox Backup Chunk Archive v1.1")[0..8]
pub const PROXMOX_BACKUP_CHUNK_ARCHIVE_MAGIC_1_1: [u8; 8] = [109, 49, 99, 109, 215, 2, 131, 191];
// openssl::sha::sha256(b"Proxmox Backup Chunk Archive Entry v1.0")[0..8]
pub const PROXMOX_BACKUP_CHUNK_ARCHIVE_ENTRY_MAGIC_1_0: [u8; 8] = [72, 87, 109, 242, 222, 66, 143, 220];
// openssl::sha::sha256(b"Proxmox Backup Snapshot Archive v1.0")[0..8];
// only used in unreleased version - no longer supported
pub const PROXMOX_BACKUP_SNAPSHOT_ARCHIVE_MAGIC_1_0: [u8; 8] = [9, 182, 2, 31, 125, 232, 114, 133];
// openssl::sha::sha256(b"Proxmox Backup Snapshot Archive v1.1")[0..8];
pub const PROXMOX_BACKUP_SNAPSHOT_ARCHIVE_MAGIC_1_1: [u8; 8] = [218, 22, 21, 208, 17, 226, 154, 98];
lazy_static::lazy_static!{
// Map content magic numbers to human readable names.
@ -58,7 +65,9 @@ lazy_static::lazy_static!{
map.insert(&PROXMOX_BACKUP_MEDIA_LABEL_MAGIC_1_0, "Proxmox Backup Tape Label v1.0");
map.insert(&PROXMOX_BACKUP_MEDIA_SET_LABEL_MAGIC_1_0, "Proxmox Backup MediaSet Label v1.0");
map.insert(&PROXMOX_BACKUP_CHUNK_ARCHIVE_MAGIC_1_0, "Proxmox Backup Chunk Archive v1.0");
map.insert(&PROXMOX_BACKUP_CHUNK_ARCHIVE_MAGIC_1_1, "Proxmox Backup Chunk Archive v1.1");
map.insert(&PROXMOX_BACKUP_SNAPSHOT_ARCHIVE_MAGIC_1_0, "Proxmox Backup Snapshot Archive v1.0");
map.insert(&PROXMOX_BACKUP_SNAPSHOT_ARCHIVE_MAGIC_1_1, "Proxmox Backup Snapshot Archive v1.1");
map
};
}
@ -172,6 +181,13 @@ impl MediaContentHeader {
}
}
#[derive(Deserialize, Serialize)]
/// Header for chunk archives
pub struct ChunkArchiveHeader {
// Datastore name
pub store: String,
}
#[derive(Endian)]
#[repr(C,packed)]
/// Header for data blobs inside a chunk archive
@ -184,6 +200,15 @@ pub struct ChunkArchiveEntryHeader {
pub size: u64,
}
#[derive(Deserialize, Serialize)]
/// Header for snapshot archives
pub struct SnapshotArchiveHeader {
/// Snapshot name
pub snapshot: String,
/// Datastore name
pub store: String,
}
#[derive(Serialize,Deserialize,Clone,Debug)]
/// Media Label
///