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proxmox-backup
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client restore: factor out archive/type parsing 

will be extended in a next patch.

Also drop a dead else branch, can never get hit as we always add
.blob as fallback

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2020-06-02 18:41:31 +02:00 committed by Dietmar Maurer
parent 4e14781aec
commit dc155e9bd7
1 changed files with 19 additions and 18 deletions
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37
src/bin/proxmox-backup-client.rs
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@ -1107,6 +1107,16 @@ fn dump_image<W: Write>(
Ok(())
}
fn parse_archive_type(name: &str) -> (String, ArchiveType) {
if name.ends_with(".pxar") {
(format!("{}.didx", name), ArchiveType::DynamicIndex)
} else if name.ends_with(".img") {
(format!("{}.fidx", name), ArchiveType::FixedIndex)
} else {
(format!("{}.blob", name), ArchiveType::Blob)
}
}
#[api(
input: {
properties: {
@ -1179,14 +1189,6 @@ async fn restore(param: Value) -> Result<Value, Error> {
}
};
let server_archive_name = if archive_name.ends_with(".pxar") {
format!("{}.didx", archive_name)
} else if archive_name.ends_with(".img") {
format!("{}.fidx", archive_name)
} else {
format!("{}.blob", archive_name)
};
let client = BackupReader::start(
client,
crypt_config.clone(),
@ -1199,7 +1201,9 @@ async fn restore(param: Value) -> Result<Value, Error> {
let manifest = client.download_manifest().await?;
if server_archive_name == MANIFEST_BLOB_NAME {
let (archive_name, archive_type) = parse_archive_type(archive_name);
if archive_name == MANIFEST_BLOB_NAME {
let backup_index_data = manifest.into_json().to_string();
if let Some(target) = target {
replace_file(target, backup_index_data.as_bytes(), CreateOptions::new())?;
@ -1210,9 +1214,9 @@ async fn restore(param: Value) -> Result<Value, Error> {
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if server_archive_name.ends_with(".blob") {
} else if archive_type == ArchiveType::Blob {
let mut reader = client.download_blob(&manifest, &server_archive_name).await?;
let mut reader = client.download_blob(&manifest, &archive_name).await?;
if let Some(target) = target {
let mut writer = std::fs::OpenOptions::new()
@ -1229,9 +1233,9 @@ async fn restore(param: Value) -> Result<Value, Error> {
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if server_archive_name.ends_with(".didx") {
} else if archive_type == ArchiveType::DynamicIndex {
let index = client.download_dynamic_index(&manifest, &server_archive_name).await?;
let index = client.download_dynamic_index(&manifest, &archive_name).await?;
let most_used = index.find_most_used_chunks(8);
@ -1261,9 +1265,9 @@ async fn restore(param: Value) -> Result<Value, Error> {
std::io::copy(&mut reader, &mut writer)
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if server_archive_name.ends_with(".fidx") {
} else if archive_type == ArchiveType::FixedIndex {
let index = client.download_fixed_index(&manifest, &server_archive_name).await?;
let index = client.download_fixed_index(&manifest, &archive_name).await?;
let mut writer = if let Some(target) = target {
std::fs::OpenOptions::new()
@ -1280,9 +1284,6 @@ async fn restore(param: Value) -> Result<Value, Error> {
};
dump_image(client.clone(), crypt_config.clone(), index, &mut writer, verbose)?;
} else {
bail!("unknown archive file extension (expected .pxar of .img)");
}
Ok(Value::Null)