[pbs-devel] [PATCH proxmox-backup v4 07/22] api2: removable datastore creation
Hannes Laimer
h.laimer at proxmox.com
Tue Apr 16 17:24:01 CEST 2024
Signed-off-by: Hannes Laimer <h.laimer at proxmox.com>
---
src/api2/config/datastore.rs | 53 ++++++++++++++++++++++++++++++++++--
1 file changed, 51 insertions(+), 2 deletions(-)
diff --git a/src/api2/config/datastore.rs b/src/api2/config/datastore.rs
index 0b3d92f9..3a075674 100644
--- a/src/api2/config/datastore.rs
+++ b/src/api2/config/datastore.rs
@@ -8,7 +8,7 @@ use serde_json::Value;
use proxmox_router::{http_bail, Permission, Router, RpcEnvironment, RpcEnvironmentType};
use proxmox_schema::{api, param_bail, ApiType};
use proxmox_section_config::SectionConfigData;
-use proxmox_sys::{task_warn, WorkerTaskContext};
+use proxmox_sys::{task_log, task_warn, WorkerTaskContext};
use proxmox_uuid::Uuid;
use pbs_api_types::{
@@ -20,7 +20,8 @@ use pbs_config::BackupLockGuard;
use pbs_datastore::chunk_store::ChunkStore;
use crate::api2::admin::{
- prune::list_prune_jobs, sync::list_sync_jobs, verify::list_verification_jobs,
+ datastore::do_mount_device, prune::list_prune_jobs, sync::list_sync_jobs,
+ verify::list_verification_jobs,
};
use crate::api2::config::prune::{delete_prune_job, do_create_prune_job};
use crate::api2::config::sync::delete_sync_job;
@@ -72,6 +73,32 @@ pub(crate) fn do_create_datastore(
datastore: DataStoreConfig,
worker: Option<&dyn WorkerTaskContext>,
) -> Result<(), Error> {
+ if datastore.backing_device.is_some() {
+ let mut mount_point = PathBuf::from(&datastore.path);
+
+ let default_options = proxmox_sys::fs::CreateOptions::new();
+ proxmox_sys::fs::create_path(
+ &mount_point,
+ Some(default_options.clone()),
+ Some(default_options),
+ )?;
+ do_mount_device(datastore.clone(), worker)?;
+
+ mount_point.push(".chunks");
+ if mount_point.is_dir() {
+ config.set_data(&datastore.name, "datastore", &datastore)?;
+ pbs_config::datastore::save_config(&config)?;
+ jobstate::create_state_file("garbage_collection", &datastore.name)?;
+ if let Some(worker) = worker {
+ task_log!(
+ worker,
+ "created removable datastore, chunkstore already exists"
+ );
+ }
+ return Ok(());
+ }
+ }
+
let path: PathBuf = datastore.path.clone().into();
let tuning: DatastoreTuning = serde_json::from_value(
@@ -122,6 +149,28 @@ pub fn create_datastore(
param_bail!("name", "datastore '{}' already exists.", config.name);
}
+ if let Some(uuid) = &config.backing_device {
+ let already_used_by = section_config
+ .sections
+ .iter()
+ .flat_map(|(datastore_name, (_, config))| {
+ config
+ .as_object()
+ .and_then(|cfg| cfg.get("backing-device"))
+ .and_then(|backing_device| backing_device.as_str())
+ .filter(|&device_uuid| device_uuid == uuid)
+ .map(|_| datastore_name)
+ })
+ .next();
+
+ if let Some(datastore_name) = already_used_by {
+ param_bail!(
+ "backing-device",
+ "device already in use by datastore '{datastore_name}'",
+ );
+ }
+ }
+
let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
let to_stdout = rpcenv.env_type() == RpcEnvironmentType::CLI;
--
2.39.2
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