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Thu, 23 Sep 2021 13:37:41 +0200 (CEST) From: Dominik Csapak To: pbs-devel@lists.proxmox.com Date: Thu, 23 Sep 2021 13:37:34 +0200 Message-Id: <20210923113739.4151043-9-d.csapak@proxmox.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210923113739.4151043-1-d.csapak@proxmox.com> References: <20210923113739.4151043-1-d.csapak@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.358 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pbs-devel] [PATCH proxmox-backup v2 08/13] api2/admin/datastore: add get/set_protection X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Sep 2021 11:38:16 -0000 for gettin/setting the protected flag for snapshots (akin to notes) Signed-off-by: Dominik Csapak --- src/api2/admin/datastore.rs | 92 +++++++++++++++++++++++++++++++++++++ src/backup/datastore.rs | 24 ++++++++++ 2 files changed, 116 insertions(+) diff --git a/src/api2/admin/datastore.rs b/src/api2/admin/datastore.rs index 04320f9c..a92efc02 100644 --- a/src/api2/admin/datastore.rs +++ b/src/api2/admin/datastore.rs @@ -1748,6 +1748,92 @@ pub fn set_notes( Ok(()) } +#[api( + input: { + properties: { + store: { + schema: DATASTORE_SCHEMA, + }, + "backup-type": { + schema: BACKUP_TYPE_SCHEMA, + }, + "backup-id": { + schema: BACKUP_ID_SCHEMA, + }, + "backup-time": { + schema: BACKUP_TIME_SCHEMA, + }, + }, + }, + access: { + permission: &Permission::Privilege(&["datastore", "{store}"], PRIV_DATASTORE_AUDIT | PRIV_DATASTORE_BACKUP, true), + }, +)] +/// Query protection for a specific backup +pub fn get_protection( + store: String, + backup_type: String, + backup_id: String, + backup_time: i64, + rpcenv: &mut dyn RpcEnvironment, +) -> Result { + let datastore = DataStore::lookup_datastore(&store)?; + + let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?; + let backup_dir = BackupDir::new(backup_type, backup_id, backup_time)?; + + check_priv_or_backup_owner(&datastore, backup_dir.group(), &auth_id, PRIV_DATASTORE_AUDIT)?; + + let protected_path = backup_dir.protected_file(datastore.base_path()); + + Ok(protected_path.exists()) +} + +#[api( + input: { + properties: { + store: { + schema: DATASTORE_SCHEMA, + }, + "backup-type": { + schema: BACKUP_TYPE_SCHEMA, + }, + "backup-id": { + schema: BACKUP_ID_SCHEMA, + }, + "backup-time": { + schema: BACKUP_TIME_SCHEMA, + }, + protected: { + description: "Enable/disable protection.", + }, + }, + }, + access: { + permission: &Permission::Privilege(&["datastore", "{store}"], + PRIV_DATASTORE_MODIFY | PRIV_DATASTORE_BACKUP, + true), + }, +)] +/// En- or disable protection for a specific backup +pub fn set_protection( + store: String, + backup_type: String, + backup_id: String, + backup_time: i64, + protected: bool, + rpcenv: &mut dyn RpcEnvironment, +) -> Result<(), Error> { + let datastore = DataStore::lookup_datastore(&store)?; + + let auth_id: Authid = rpcenv.get_auth_id().unwrap().parse()?; + let backup_dir = BackupDir::new(backup_type, backup_id, backup_time)?; + + check_priv_or_backup_owner(&datastore, backup_dir.group(), &auth_id, PRIV_DATASTORE_MODIFY)?; + + datastore.update_protection(&backup_dir, protected) +} + #[api( input: { properties: { @@ -1896,6 +1982,12 @@ const DATASTORE_INFO_SUBDIRS: SubdirMap = &[ .get(&API_METHOD_GET_NOTES) .put(&API_METHOD_SET_NOTES) ), + ( + "protected", + &Router::new() + .get(&API_METHOD_GET_PROTECTION) + .put(&API_METHOD_SET_PROTECTION) + ), ( "prune", &Router::new() diff --git a/src/backup/datastore.rs b/src/backup/datastore.rs index a791807f..2ab0e289 100644 --- a/src/backup/datastore.rs +++ b/src/backup/datastore.rs @@ -860,6 +860,30 @@ impl DataStore { Ok(()) } + /// Updates the protection status of the specified snapshot. + pub fn update_protection( + &self, + backup_dir: &BackupDir, + protection: bool + ) -> Result<(), Error> { + let full_path = self.snapshot_path(backup_dir); + + let _guard = lock_dir_noblock(&full_path, "snapshot", "possibly running or in use")?; + + let protected_path = backup_dir.protected_file(self.base_path()); + if protection { + std::fs::File::create(protected_path) + .map_err(|err| format_err!("could not create protection file: {}", err))?; + } else if let Err(err) = std::fs::remove_file(protected_path) { + // ignore error for non-existing file + if err.kind() != std::io::ErrorKind::NotFound { + bail!("could not remove protection file: {}", err); + } + } + + Ok(()) + } + pub fn verify_new(&self) -> bool { self.verify_new } -- 2.30.2