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reuse-datastore: avoid creating another prune job

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If a datastore with a prune job is removed, the prune job is preserverd
as it is stored in /etc/proxmox-backup/prune.cfg. We also create a
default prune job for every datastore – this means that when reusing a
datastore that previously existed, you end up with duplicate prune jobs.
To avoid this we check if a prune job already exists, and when it does,
we refrain from creating the default one. (We also check if specific
keep-options have been added, if yes, then we create the job
nevertheless.)

Reported-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
This commit is contained in:
Gabriel Goller 2024-11-26 10:54:28 +01:00 committed by Fabian Grünbichler
parent f73bc28f03
commit 5a52d1f06c
2 changed files with 31 additions and 17 deletions
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7
src/api2/config/datastore.rs
View File

@ -24,7 +24,7 @@ use crate::api2::admin::{
datastore::do_mount_device, prune::list_prune_jobs, sync::list_config_sync_jobs,
verify::list_verification_jobs,
};
use crate::api2::config::prune::{delete_prune_job, do_create_prune_job};
use crate::api2::config::prune::{delete_prune_job, do_create_prune_job, has_prune_job};
use crate::api2::config::sync::delete_sync_job;
use crate::api2::config::tape_backup_job::{delete_tape_backup_job, list_tape_backup_jobs};
use crate::api2::config::verify::delete_verification_job;
@ -204,7 +204,9 @@ pub fn create_datastore(
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let to_stdout = rpcenv.env_type() == RpcEnvironmentType::CLI;
let prune_job_config = config.prune_schedule.as_ref().map(|schedule| {
let mut prune_job_config = None;
if config.keep.keeps_something() || !has_prune_job(&config.name)? {
prune_job_config = config.prune_schedule.as_ref().map(|schedule| {
let mut id = format!("default-{}-{}", config.name, Uuid::generate());
id.truncate(32);
@ -221,6 +223,7 @@ pub fn create_datastore(
},
}
});
}
// clearing prune settings in the datastore config, as they are now handled by prune jobs
let config = DataStoreConfig {

11
src/api2/config/prune.rs
View File

@ -77,6 +77,17 @@ pub fn do_create_prune_job(config: PruneJobConfig) -> Result<(), Error> {
Ok(())
}
pub fn has_prune_job(datastore: &str) -> Result<bool, Error> {
let (section_config, _digest) = prune::config()?;
for (_, (_, job_config)) in section_config.sections {
let job_config: PruneJobConfig = serde_json::from_value(job_config)?;
if job_config.store == datastore {
return Ok(true);
}
}
Ok(false)
}
#[api(
protected: true,
input: {