[pbs-devel] [PATCH proxmox-backup 2/4] api2/confif/datastore: add create datastore api call in a worker

[Dominik Csapak <d.csapak@proxmox.com>]

so that longer running creates (e.g. a slow storage), does not
run in a timeout and we can follow its creation

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/api2/config/datastore.rs | 107 ++++++++++++++++++++++++++++++++++-
 www/window/DataStoreEdit.js  |   3 +-
 2 files changed, 108 insertions(+), 2 deletions(-)

diff --git a/src/api2/config/datastore.rs b/src/api2/config/datastore.rs
index 33e76b27..16ac030f 100644
--- a/src/api2/config/datastore.rs
+++ b/src/api2/config/datastore.rs
@@ -13,7 +13,7 @@ use crate::backup::*;
 use crate::config::cached_user_info::CachedUserInfo;
 use crate::config::datastore::{self, DataStoreConfig, DIR_NAME_SCHEMA};
 use crate::config::acl::{PRIV_DATASTORE_ALLOCATE, PRIV_DATASTORE_AUDIT, PRIV_DATASTORE_MODIFY};
-use crate::server::jobstate;
+use crate::server::{jobstate, WorkerTask};
 
 #[api(
     input: {
@@ -143,6 +143,110 @@ pub fn create_datastore(param: Value) -> Result<(), Error> {
     Ok(())
 }
 
+#[api(
+    protected: true,
+    input: {
+        properties: {
+            name: {
+                schema: DATASTORE_SCHEMA,
+            },
+            path: {
+                schema: DIR_NAME_SCHEMA,
+            },
+            comment: {
+                optional: true,
+                schema: SINGLE_LINE_COMMENT_SCHEMA,
+            },
+            "notify-user": {
+                optional: true,
+                type: Userid,
+            },
+            "notify": {
+                optional: true,
+                schema: DATASTORE_NOTIFY_STRING_SCHEMA,
+            },
+            "gc-schedule": {
+                optional: true,
+                schema: GC_SCHEDULE_SCHEMA,
+            },
+            "prune-schedule": {
+                optional: true,
+                schema: PRUNE_SCHEDULE_SCHEMA,
+            },
+            "keep-last": {
+                optional: true,
+                schema: PRUNE_SCHEMA_KEEP_LAST,
+            },
+            "keep-hourly": {
+                optional: true,
+                schema: PRUNE_SCHEMA_KEEP_HOURLY,
+            },
+            "keep-daily": {
+                optional: true,
+                schema: PRUNE_SCHEMA_KEEP_DAILY,
+            },
+            "keep-weekly": {
+                optional: true,
+                schema: PRUNE_SCHEMA_KEEP_WEEKLY,
+            },
+            "keep-monthly": {
+                optional: true,
+                schema: PRUNE_SCHEMA_KEEP_MONTHLY,
+            },
+            "keep-yearly": {
+                optional: true,
+                schema: PRUNE_SCHEMA_KEEP_YEARLY,
+            },
+        },
+    },
+    access: {
+        permission: &Permission::Privilege(&["datastore"], PRIV_DATASTORE_ALLOCATE, false),
+    },
+)]
+/// Create new datastore config.
+pub fn create_datastore_worker(
+    param: Value,
+    rpcenv: &mut dyn RpcEnvironment,
+) -> Result<String, Error> {
+
+    let lock = open_file_locked(datastore::DATASTORE_CFG_LOCKFILE, std::time::Duration::new(10, 0), true)?;
+
+    let datastore: datastore::DataStoreConfig = serde_json::from_value(param)?;
+
+    let (mut config, _digest) = datastore::config()?;
+
+    if config.sections.get(&datastore.name).is_some() {
+        bail!("datastore '{}' already exists.", datastore.name);
+    }
+
+    let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?;
+
+    let upid_str = WorkerTask::new_thread(
+        "create-datastore",
+        Some(datastore.name.to_string()),
+        auth_id,
+        false,
+        move |_worker| {
+            let _lock = lock; // keep the lock
+            let path: PathBuf = datastore.path.clone().into();
+
+            let backup_user = crate::backup::backup_user()?;
+            let _store = ChunkStore::create(&datastore.name, path, backup_user.uid, backup_user.gid)?;
+
+            config.set_data(&datastore.name, "datastore", &datastore)?;
+
+            datastore::save_config(&config)?;
+
+            jobstate::create_state_file("prune", &datastore.name)?;
+            jobstate::create_state_file("garbage_collection", &datastore.name)?;
+
+            Ok(())
+        },
+    )?;
+
+    Ok(upid_str)
+}
+
 #[api(
    input: {
         properties: {
@@ -438,4 +542,5 @@ const ITEM_ROUTER: Router = Router::new()
 pub const ROUTER: Router = Router::new()
     .get(&API_METHOD_LIST_DATASTORES)
     .post(&API_METHOD_CREATE_DATASTORE)
+    .put(&API_METHOD_CREATE_DATASTORE_WORKER)
     .match_all("name", &ITEM_ROUTER);
diff --git a/www/window/DataStoreEdit.js b/www/window/DataStoreEdit.js
index c2b2809f..34ab74b9 100644
--- a/www/window/DataStoreEdit.js
+++ b/www/window/DataStoreEdit.js
@@ -75,6 +75,8 @@ Ext.define('PBS.DataStoreEdit', {
     isAdd: true,
 
     bodyPadding: 0,
+    method: 'PUT',
+    showProgress: true,
 
     cbindData: function(initialConfig) {
 	var me = this;
@@ -87,7 +89,6 @@ Ext.define('PBS.DataStoreEdit', {
 	    me.defaultFocus = 'textfield[name=comment]';
 	}
 	me.url = name ? baseurl + '/' + name : baseurl;
-	me.method = name ? 'PUT' : 'POST';
 	me.scheduleValue = name ? null : 'daily';
 	me.autoLoad = !!name;
 	return {};
-- 
2.20.1