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proxmox-backup
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fix #3323: cli client: add dry-run option for backup command 

adds a dry-run parameter for "proxmox-backup-client backup".
With this parameter on it simply prints out what would be uploaded,
instead of uploading it.

Signed-off-by: Markus Frank <m.frank@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Markus Frank 2022-02-18 10:55:38 +01:00 committed by Thomas Lamprecht
parent dcd9c17fff
commit 4b8395ee0e
1 changed files with 41 additions and 9 deletions
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50
proxmox-backup-client/src/main.rs
View File

@ -613,6 +613,11 @@ fn spawn_catalog_upload(
description: "Verbose output.",
optional: true,
},
"dry-run": {
type: Boolean,
description: "Just show what backup would do, but do not upload anything.",
optional: true,
},
}
}
)]
@ -633,6 +638,8 @@ async fn create_backup(
let verbose = param["verbose"].as_bool().unwrap_or(false);
let dry_run = param["dry-run"].as_bool().unwrap_or(false);
let backup_time_opt = param["backup-time"].as_i64();
let chunk_size_opt = param["chunk-size"].as_u64().map(|v| (v*1024) as usize);
@ -844,35 +851,55 @@ async fn create_backup(
let mut catalog = None;
let mut catalog_result_rx = None;
let printfileinfo = |butype:&str, filename:&str, repo:&pbs_client::BackupRepository, target:&str| {
if dry_run{
println!("Would upload {} '{}' to '{}' as {}", butype, filename, repo, target);
} else {
println!("Upload {} '{}' to '{}' as {}", butype, filename, repo, target);
}
};
for (backup_type, filename, target, size) in upload_list {
match backup_type {
BackupSpecificationType::CONFIG => {
match (backup_type, dry_run) {
(BackupSpecificationType::CONFIG, true) => {
printfileinfo("config file", &filename, &repo, &target);
}
(BackupSpecificationType::LOGFILE, true) => {
printfileinfo("log file", &filename, &repo, &target);
}
(BackupSpecificationType::PXAR, true) => {
printfileinfo("directory", &filename, &repo, &target);
}
(BackupSpecificationType::IMAGE, true) => {
printfileinfo("image", &filename, &repo, &target);
}
(BackupSpecificationType::CONFIG, false) => {
let upload_options = UploadOptions {
compress: true,
encrypt: crypto.mode == CryptMode::Encrypt,
..UploadOptions::default()
};
println!("Upload config file '{}' to '{}' as {}", filename, repo, target);
printfileinfo("config file", &filename, &repo, &target);
let stats = client
.upload_blob_from_file(&filename, &target, upload_options)
.await?;
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
}
BackupSpecificationType::LOGFILE => { // fixme: remove - not needed anymore ?
(BackupSpecificationType::LOGFILE, false) => { // fixme: remove - not needed anymore ?
let upload_options = UploadOptions {
compress: true,
encrypt: crypto.mode == CryptMode::Encrypt,
..UploadOptions::default()
};
println!("Upload log file '{}' to '{}' as {}", filename, repo, target);
printfileinfo("log file", &filename, &repo, &target);
let stats = client
.upload_blob_from_file(&filename, &target, upload_options)
.await?;
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
}
BackupSpecificationType::PXAR => {
(BackupSpecificationType::PXAR, false) => {
// start catalog upload on first use
if catalog.is_none() {
let catalog_upload_res = spawn_catalog_upload(client.clone(), crypto.mode == CryptMode::Encrypt)?;
@ -881,7 +908,7 @@ async fn create_backup(
}
let catalog = catalog.as_ref().unwrap();
println!("Upload directory '{}' to '{}' as {}", filename, repo, target);
printfileinfo("directory", &filename, &repo, &target);
catalog.lock().unwrap().start_directory(std::ffi::CString::new(target.as_str())?.as_c_str())?;
let pxar_options = pbs_client::pxar::PxarCreateOptions {
@ -911,8 +938,8 @@ async fn create_backup(
manifest.add_file(target, stats.size, stats.csum, crypto.mode)?;
catalog.lock().unwrap().end_directory()?;
}
BackupSpecificationType::IMAGE => {
println!("Upload image '{}' to '{:?}' as {}", filename, repo, target);
(BackupSpecificationType::IMAGE, false) => {
printfileinfo("image", &filename, &repo, &target);
let upload_options = UploadOptions {
previous_manifest: previous_manifest.clone(),
@ -933,6 +960,11 @@ async fn create_backup(
}
}
if dry_run {
println!("dry-run: no upload happend");
return Ok(Value::Null);
}
// finalize and upload catalog
if let Some(catalog) = catalog {
let mutex = Arc::try_unwrap(catalog)