1 files changed, 160 insertions, 0 deletions
diff --git a/src/garage/admin/block.rs b/src/garage/admin/block.rs
new file mode 100644
index 00000000..e9e3ff96
--- /dev/null
+++ b/src/garage/admin/block.rs
@@ -0,0 +1,160 @@
+use garage_util::data::*;
+
+use garage_table::*;
+
+use garage_model::helper::error::{Error, OkOrBadRequest};
+use garage_model::s3::object_table::*;
+use garage_model::s3::version_table::*;
+
+use crate::cli::*;
+
+use super::*;
+
+impl AdminRpcHandler {
+	pub(super) async fn handle_block_cmd(&self, cmd: &BlockOperation) -> Result<AdminRpc, Error> {
+		match cmd {
+			BlockOperation::ListErrors => Ok(AdminRpc::BlockErrorList(
+				self.garage.block_manager.list_resync_errors()?,
+			)),
+			BlockOperation::Info { hash } => self.handle_block_info(hash).await,
+			BlockOperation::RetryNow { all, blocks } => {
+				self.handle_block_retry_now(*all, blocks).await
+			}
+			BlockOperation::Purge { yes, blocks } => self.handle_block_purge(*yes, blocks).await,
+		}
+	}
+
+	async fn handle_block_info(&self, hash: &String) -> Result<AdminRpc, Error> {
+		let hash = hex::decode(hash).ok_or_bad_request("invalid hash")?;
+		let hash = Hash::try_from(&hash).ok_or_bad_request("invalid hash")?;
+		let refcount = self.garage.block_manager.get_block_rc(&hash)?;
+		let block_refs = self
+			.garage
+			.block_ref_table
+			.get_range(&hash, None, None, 10000, Default::default())
+			.await?;
+		let mut versions = vec![];
+		for br in block_refs {
+			if let Some(v) = self
+				.garage
+				.version_table
+				.get(&br.version, &EmptyKey)
+				.await?
+			{
+				versions.push(Ok(v));
+			} else {
+				versions.push(Err(br.version));
+			}
+		}
+		Ok(AdminRpc::BlockInfo {
+			hash,
+			refcount,
+			versions,
+		})
+	}
+
+	async fn handle_block_retry_now(
+		&self,
+		all: bool,
+		blocks: &[String],
+	) -> Result<AdminRpc, Error> {
+		if all {
+			if !blocks.is_empty() {
+				return Err(Error::BadRequest(
+					"--all was specified, cannot also specify blocks".into(),
+				));
+			}
+			let blocks = self.garage.block_manager.list_resync_errors()?;
+			for b in blocks.iter() {
+				self.garage.block_manager.resync.clear_backoff(&b.hash)?;
+			}
+			Ok(AdminRpc::Ok(format!(
+				"{} blocks returned in queue for a retry now (check logs to see results)",
+				blocks.len()
+			)))
+		} else {
+			for hash in blocks {
+				let hash = hex::decode(hash).ok_or_bad_request("invalid hash")?;
+				let hash = Hash::try_from(&hash).ok_or_bad_request("invalid hash")?;
+				self.garage.block_manager.resync.clear_backoff(&hash)?;
+			}
+			Ok(AdminRpc::Ok(format!(
+				"{} blocks returned in queue for a retry now (check logs to see results)",
+				blocks.len()
+			)))
+		}
+	}
+
+	async fn handle_block_purge(&self, yes: bool, blocks: &[String]) -> Result<AdminRpc, Error> {
+		if !yes {
+			return Err(Error::BadRequest(
+				"Pass the --yes flag to confirm block purge operation.".into(),
+			));
+		}
+
+		let mut obj_dels = 0;
+		let mut ver_dels = 0;
+
+		for hash in blocks {
+			let hash = hex::decode(hash).ok_or_bad_request("invalid hash")?;
+			let hash = Hash::try_from(&hash).ok_or_bad_request("invalid hash")?;
+			let block_refs = self
+				.garage
+				.block_ref_table
+				.get_range(&hash, None, None, 10000, Default::default())
+				.await?;
+
+			for br in block_refs {
+				let version = match self
+					.garage
+					.version_table
+					.get(&br.version, &EmptyKey)
+					.await?
+				{
+					Some(v) => v,
+					None => continue,
+				};
+
+				if let Some(object) = self
+					.garage
+					.object_table
+					.get(&version.bucket_id, &version.key)
+					.await?
+				{
+					let ov = object.versions().iter().rev().find(|v| v.is_complete());
+					if let Some(ov) = ov {
+						if ov.uuid == br.version {
+							let del_uuid = gen_uuid();
+							let deleted_object = Object::new(
+								version.bucket_id,
+								version.key.clone(),
+								vec![ObjectVersion {
+									uuid: del_uuid,
+									timestamp: ov.timestamp + 1,
+									state: ObjectVersionState::Complete(
+										ObjectVersionData::DeleteMarker,
+									),
+								}],
+							);
+							self.garage.object_table.insert(&deleted_object).await?;
+							obj_dels += 1;
+						}
+					}
+				}
+
+				if !version.deleted.get() {
+					let deleted_version =
+						Version::new(version.uuid, version.bucket_id, version.key.clone(), true);
+					self.garage.version_table.insert(&deleted_version).await?;
+					ver_dels += 1;
+				}
+			}
+		}
+		Ok(AdminRpc::Ok(format!(
+			"{} blocks were purged: {} object deletion markers added, {} versions marked deleted",
+			blocks.len(),
+			obj_dels,
+			ver_dels
+		)))
+	}
+}