Merge pull request 'Remove migration path from Garage v0.5' (#766) from rm-migration into next-0.10

Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/766

11 files changed, 5 insertions, 384 deletions

diff --git a/src/garage/admin/mod.rs b/src/garage/admin/mod.rs
index de7851e1..073693ed 100644
--- a/src/garage/admin/mod.rs
+++ b/src/garage/admin/mod.rs
@@ -27,7 +27,6 @@ use garage_model::bucket_table::*;
 use garage_model::garage::Garage;
 use garage_model::helper::error::{Error, OkOrBadRequest};
 use garage_model::key_table::*;
-use garage_model::migrate::Migrate;
 use garage_model::s3::mpu_table::MultipartUpload;
 use garage_model::s3::version_table::Version;
 
@@ -42,7 +41,6 @@ pub enum AdminRpc {
 	BucketOperation(BucketOperation),
 	KeyOperation(KeyOperation),
 	LaunchRepair(RepairOpt),
-	Migrate(MigrateOpt),
 	Stats(StatsOpt),
 	Worker(WorkerOperation),
 	BlockOperation(BlockOperation),
@@ -95,24 +93,6 @@ impl AdminRpcHandler {
 		admin
 	}
 
-	// ================ MIGRATION COMMANDS ====================
-
-	async fn handle_migrate(self: &Arc<Self>, opt: MigrateOpt) -> Result<AdminRpc, Error> {
-		if !opt.yes {
-			return Err(Error::BadRequest(
-				"Please provide the --yes flag to initiate migration operation.".to_string(),
-			));
-		}
-
-		let m = Migrate {
-			garage: self.garage.clone(),
-		};
-		match opt.what {
-			MigrateWhat::Buckets050 => m.migrate_buckets050().await,
-		}?;
-		Ok(AdminRpc::Ok("Migration successfull.".into()))
-	}
-
 	// ================ REPAIR COMMANDS ====================
 
 	async fn handle_launch_repair(self: &Arc<Self>, opt: RepairOpt) -> Result<AdminRpc, Error> {
@@ -530,7 +510,6 @@ impl EndpointHandler<AdminRpc> for AdminRpcHandler {
 		match message {
 			AdminRpc::BucketOperation(bo) => self.handle_bucket_cmd(bo).await,
 			AdminRpc::KeyOperation(ko) => self.handle_key_cmd(ko).await,
-			AdminRpc::Migrate(opt) => self.handle_migrate(opt.clone()).await,
 			AdminRpc::LaunchRepair(opt) => self.handle_launch_repair(opt.clone()).await,
 			AdminRpc::Stats(opt) => self.handle_stats(opt.clone()).await,
 			AdminRpc::Worker(wo) => self.handle_worker_cmd(wo).await,
diff --git a/src/garage/cli/cmd.rs b/src/garage/cli/cmd.rs
index fb6dface..7440457f 100644
--- a/src/garage/cli/cmd.rs
+++ b/src/garage/cli/cmd.rs
@@ -33,9 +33,6 @@ pub async fn cli_command_dispatch(
 		Command::Key(ko) => {
 			cmd_admin(admin_rpc_endpoint, rpc_host, AdminRpc::KeyOperation(ko)).await
 		}
-		Command::Migrate(mo) => {
-			cmd_admin(admin_rpc_endpoint, rpc_host, AdminRpc::Migrate(mo)).await
-		}
 		Command::Repair(ro) => {
 			cmd_admin(admin_rpc_endpoint, rpc_host, AdminRpc::LaunchRepair(ro)).await
 		}
diff --git a/src/garage/cli/structs.rs b/src/garage/cli/structs.rs
index 40e47ee1..63014dbc 100644
--- a/src/garage/cli/structs.rs
+++ b/src/garage/cli/structs.rs
@@ -31,11 +31,6 @@ pub enum Command {
 	#[structopt(name = "key", version = garage_version())]
 	Key(KeyOperation),
 
-	/// Run migrations from previous Garage version
-	/// (DO NOT USE WITHOUT READING FULL DOCUMENTATION)
-	#[structopt(name = "migrate", version = garage_version())]
-	Migrate(MigrateOpt),
-
 	/// Start repair of node data on remote node
 	#[structopt(name = "repair", version = garage_version())]
 	Repair(RepairOpt),
@@ -446,23 +441,6 @@ pub struct KeyImportOpt {
 }
 
 #[derive(Serialize, Deserialize, StructOpt, Debug, Clone)]
-pub struct MigrateOpt {
-	/// Confirm the launch of the migrate operation
-	#[structopt(long = "yes")]
-	pub yes: bool,
-
-	#[structopt(subcommand)]
-	pub what: MigrateWhat,
-}
-
-#[derive(Serialize, Deserialize, StructOpt, Debug, Eq, PartialEq, Clone)]
-pub enum MigrateWhat {
-	/// Migrate buckets and permissions from v0.5.0
-	#[structopt(name = "buckets050", version = garage_version())]
-	Buckets050,
-}
-
-#[derive(Serialize, Deserialize, StructOpt, Debug, Clone)]
 pub struct RepairOpt {
 	/// Launch repair operation on all nodes
 	#[structopt(short = "a", long = "all-nodes")]
diff --git a/src/model/key_table.rs b/src/model/key_table.rs
index a9762f1b..efb95f08 100644
--- a/src/model/key_table.rs
+++ b/src/model/key_table.rs
@@ -7,48 +7,7 @@ use garage_table::{DeletedFilter, EmptyKey, Entry, TableSchema};
 
 use crate::permission::BucketKeyPerm;
 
-pub(crate) mod v05 {
-	use garage_util::crdt;
-	use serde::{Deserialize, Serialize};
-
-	/// An api key
-	#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-	pub struct Key {
-		/// The id of the key (immutable), used as partition key
-		pub key_id: String,
-
-		/// The secret_key associated
-		pub secret_key: String,
-
-		/// Name for the key
-		pub name: crdt::Lww<String>,
-
-		/// Is the key deleted
-		pub deleted: crdt::Bool,
-
-		/// Buckets in which the key is authorized. Empty if `Key` is deleted
-		// CRDT interaction: deleted implies authorized_buckets is empty
-		pub authorized_buckets: crdt::LwwMap<String, PermissionSet>,
-	}
-
-	/// Permission given to a key in a bucket
-	#[derive(PartialOrd, Ord, PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-	pub struct PermissionSet {
-		/// The key can be used to read the bucket
-		pub allow_read: bool,
-		/// The key can be used to write in the bucket
-		pub allow_write: bool,
-	}
-
-	impl crdt::AutoCrdt for PermissionSet {
-		const WARN_IF_DIFFERENT: bool = true;
-	}
-
-	impl garage_util::migrate::InitialFormat for Key {}
-}
-
 mod v08 {
-	use super::v05;
 	use crate::permission::BucketKeyPerm;
 	use garage_util::crdt;
 	use garage_util::data::Uuid;
@@ -86,32 +45,7 @@ mod v08 {
 		pub local_aliases: crdt::LwwMap<String, Option<Uuid>>,
 	}
 
-	impl garage_util::migrate::Migrate for Key {
-		type Previous = v05::Key;
-
-		fn migrate(old_k: v05::Key) -> Key {
-			let name = crdt::Lww::raw(old_k.name.timestamp(), old_k.name.get().clone());
-
-			let state = if old_k.deleted.get() {
-				crdt::Deletable::Deleted
-			} else {
-				// Authorized buckets is ignored here,
-				// migration is performed in specific migration code in
-				// garage/migrate.rs
-				crdt::Deletable::Present(KeyParams {
-					secret_key: old_k.secret_key,
-					name,
-					allow_create_bucket: crdt::Lww::new(false),
-					authorized_buckets: crdt::Map::new(),
-					local_aliases: crdt::LwwMap::new(),
-				})
-			};
-			Key {
-				key_id: old_k.key_id,
-				state,
-			}
-		}
-	}
+	impl garage_util::migrate::InitialFormat for Key {}
 }
 
 pub use v08::*;
diff --git a/src/model/lib.rs b/src/model/lib.rs
index 4f20ea46..2166105f 100644
--- a/src/model/lib.rs
+++ b/src/model/lib.rs
@@ -1,9 +1,6 @@
 #[macro_use]
 extern crate tracing;
 
-// For migration from previous versions
-pub(crate) mod prev;
-
 pub mod permission;
 
 pub mod index_counter;
@@ -18,4 +15,3 @@ pub mod s3;
 
 pub mod garage;
 pub mod helper;
-pub mod migrate;
diff --git a/src/model/migrate.rs b/src/model/migrate.rs
deleted file mode 100644
index 8528382a..00000000
--- a/src/model/migrate.rs
+++ /dev/null
@@ -1,108 +0,0 @@
-use std::sync::Arc;
-
-use garage_util::crdt::*;
-use garage_util::data::*;
-use garage_util::encode::nonversioned_decode;
-use garage_util::error::Error as GarageError;
-use garage_util::time::*;
-
-use crate::prev::v051::bucket_table as old_bucket;
-
-use crate::bucket_alias_table::*;
-use crate::bucket_table::*;
-use crate::garage::Garage;
-use crate::helper::error::*;
-use crate::permission::*;
-
-pub struct Migrate {
-	pub garage: Arc<Garage>,
-}
-
-impl Migrate {
-	pub async fn migrate_buckets050(&self) -> Result<(), Error> {
-		let tree = self
-			.garage
-			.db
-			.open_tree("bucket:table")
-			.map_err(GarageError::from)?;
-
-		let mut old_buckets = vec![];
-		for res in tree.iter().map_err(GarageError::from)? {
-			let (_k, v) = res.map_err(GarageError::from)?;
-			let bucket =
-				nonversioned_decode::<old_bucket::Bucket>(&v[..]).map_err(GarageError::from)?;
-			old_buckets.push(bucket);
-		}
-
-		for bucket in old_buckets {
-			if let old_bucket::BucketState::Present(p) = bucket.state.get() {
-				self.migrate_buckets050_do_bucket(&bucket, p).await?;
-			}
-		}
-
-		Ok(())
-	}
-
-	pub async fn migrate_buckets050_do_bucket(
-		&self,
-		old_bucket: &old_bucket::Bucket,
-		old_bucket_p: &old_bucket::BucketParams,
-	) -> Result<(), Error> {
-		let bucket_id = blake2sum(old_bucket.name.as_bytes());
-
-		let new_name = if is_valid_bucket_name(&old_bucket.name) {
-			old_bucket.name.clone()
-		} else {
-			// if old bucket name was not valid, replace it by
-			// a hex-encoded name derived from its identifier
-			hex::encode(&bucket_id.as_slice()[..16])
-		};
-
-		let website = if *old_bucket_p.website.get() {
-			Some(WebsiteConfig {
-				index_document: "index.html".into(),
-				error_document: None,
-			})
-		} else {
-			None
-		};
-
-		let helper = self.garage.locked_helper().await;
-
-		self.garage
-			.bucket_table
-			.insert(&Bucket {
-				id: bucket_id,
-				state: Deletable::Present(BucketParams {
-					creation_date: now_msec(),
-					authorized_keys: Map::new(),
-					aliases: LwwMap::new(),
-					local_aliases: LwwMap::new(),
-					website_config: Lww::new(website),
-					cors_config: Lww::new(None),
-					lifecycle_config: Lww::new(None),
-					quotas: Lww::new(Default::default()),
-				}),
-			})
-			.await?;
-
-		helper.set_global_bucket_alias(bucket_id, &new_name).await?;
-
-		for (k, ts, perm) in old_bucket_p.authorized_keys.items().iter() {
-			helper
-				.set_bucket_key_permissions(
-					bucket_id,
-					k,
-					BucketKeyPerm {
-						timestamp: *ts,
-						allow_read: perm.allow_read,
-						allow_write: perm.allow_write,
-						allow_owner: false,
-					},
-				)
-				.await?;
-		}
-
-		Ok(())
-	}
-}
diff --git a/src/model/prev/mod.rs b/src/model/prev/mod.rs
deleted file mode 100644
index 68bb1502..00000000
--- a/src/model/prev/mod.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub(crate) mod v051;
diff --git a/src/model/prev/v051/bucket_table.rs b/src/model/prev/v051/bucket_table.rs
deleted file mode 100644
index 19893458..00000000
--- a/src/model/prev/v051/bucket_table.rs
+++ /dev/null
@@ -1,63 +0,0 @@
-use serde::{Deserialize, Serialize};
-
-use garage_table::crdt::Crdt;
-use garage_table::*;
-
-use crate::key_table::v05::PermissionSet;
-
-/// A bucket is a collection of objects
-///
-/// Its parameters are not directly accessible as:
-///  - It must be possible to merge paramaters, hence the use of a LWW CRDT.
-///  - A bucket has 2 states, Present or Deleted and parameters make sense only if present.
-#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-pub struct Bucket {
-	/// Name of the bucket
-	pub name: String,
-	/// State, and configuration if not deleted, of the bucket
-	pub state: crdt::Lww<BucketState>,
-}
-
-/// State of a bucket
-#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-pub enum BucketState {
-	/// The bucket is deleted
-	Deleted,
-	/// The bucket exists
-	Present(BucketParams),
-}
-
-impl Crdt for BucketState {
-	fn merge(&mut self, o: &Self) {
-		match o {
-			BucketState::Deleted => *self = BucketState::Deleted,
-			BucketState::Present(other_params) => {
-				if let BucketState::Present(params) = self {
-					params.merge(other_params);
-				}
-			}
-		}
-	}
-}
-
-/// Configuration for a bucket
-#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-pub struct BucketParams {
-	/// Map of key with access to the bucket, and what kind of access they give
-	pub authorized_keys: crdt::LwwMap<String, PermissionSet>,
-	/// Is the bucket served as http
-	pub website: crdt::Lww<bool>,
-}
-
-impl Crdt for BucketParams {
-	fn merge(&mut self, o: &Self) {
-		self.authorized_keys.merge(&o.authorized_keys);
-		self.website.merge(&o.website);
-	}
-}
-
-impl Crdt for Bucket {
-	fn merge(&mut self, other: &Self) {
-		self.state.merge(&other.state);
-	}
-}
diff --git a/src/model/prev/v051/mod.rs b/src/model/prev/v051/mod.rs
deleted file mode 100644
index 8c1335a5..00000000
--- a/src/model/prev/v051/mod.rs
+++ /dev/null
@@ -1 +0,0 @@
-pub(crate) mod bucket_table;
diff --git a/src/model/s3/object_table.rs b/src/model/s3/object_table.rs
index f2d21493..eedb9615 100644
--- a/src/model/s3/object_table.rs
+++ b/src/model/s3/object_table.rs
@@ -17,7 +17,7 @@ pub const OBJECTS: &str = "objects";
 pub const UNFINISHED_UPLOADS: &str = "unfinished_uploads";
 pub const BYTES: &str = "bytes";
 
-mod v05 {
+mod v08 {
 	use garage_util::data::{Hash, Uuid};
 	use serde::{Deserialize, Serialize};
 	use std::collections::BTreeMap;
@@ -26,7 +26,7 @@ mod v05 {
 	#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
 	pub struct Object {
 		/// The bucket in which the object is stored, used as partition key
-		pub bucket: String,
+		pub bucket_id: Uuid,
 
 		/// The key at which the object is stored in its bucket, used as sorting key
 		pub key: String,
@@ -92,45 +92,6 @@ mod v05 {
 	impl garage_util::migrate::InitialFormat for Object {}
 }
 
-mod v08 {
-	use garage_util::data::Uuid;
-	use serde::{Deserialize, Serialize};
-
-	use super::v05;
-
-	pub use v05::{
-		ObjectVersion, ObjectVersionData, ObjectVersionHeaders, ObjectVersionMeta,
-		ObjectVersionState,
-	};
-
-	/// An object
-	#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-	pub struct Object {
-		/// The bucket in which the object is stored, used as partition key
-		pub bucket_id: Uuid,
-
-		/// The key at which the object is stored in its bucket, used as sorting key
-		pub key: String,
-
-		/// The list of currenty stored versions of the object
-		pub(super) versions: Vec<ObjectVersion>,
-	}
-
-	impl garage_util::migrate::Migrate for Object {
-		type Previous = v05::Object;
-
-		fn migrate(old: v05::Object) -> Object {
-			use garage_util::data::blake2sum;
-
-			Object {
-				bucket_id: blake2sum(old.bucket.as_bytes()),
-				key: old.key,
-				versions: old.versions,
-			}
-		}
-	}
-}
-
 mod v09 {
 	use garage_util::data::Uuid;
 	use serde::{Deserialize, Serialize};
diff --git a/src/model/s3/version_table.rs b/src/model/s3/version_table.rs
index b4662a55..d611a9e3 100644
--- a/src/model/s3/version_table.rs
+++ b/src/model/s3/version_table.rs
@@ -11,7 +11,7 @@ use garage_table::*;
 
 use crate::s3::block_ref_table::*;
 
-mod v05 {
+mod v08 {
 	use garage_util::crdt;
 	use garage_util::data::{Hash, Uuid};
 	use serde::{Deserialize, Serialize};
@@ -35,7 +35,7 @@ mod v05 {
 		// Back link to bucket+key so that we can figure if
 		// this was deleted later on
 		/// Bucket in which the related object is stored
-		pub bucket: String,
+		pub bucket_id: Uuid,
 		/// Key in which the related object is stored
 		pub key: String,
 	}
@@ -61,57 +61,6 @@ mod v05 {
 	impl garage_util::migrate::InitialFormat for Version {}
 }
 
-mod v08 {
-	use garage_util::crdt;
-	use garage_util::data::Uuid;
-	use serde::{Deserialize, Serialize};
-
-	use super::v05;
-
-	pub use v05::{VersionBlock, VersionBlockKey};
-
-	/// A version of an object
-	#[derive(PartialEq, Eq, Clone, Debug, Serialize, Deserialize)]
-	pub struct Version {
-		/// UUID of the version, used as partition key
-		pub uuid: Uuid,
-
-		// Actual data: the blocks for this version
-		// In the case of a multipart upload, also store the etags
-		// of individual parts and check them when doing CompleteMultipartUpload
-		/// Is this version deleted
-		pub deleted: crdt::Bool,
-		/// list of blocks of data composing the version
-		pub blocks: crdt::Map<VersionBlockKey, VersionBlock>,
-		/// Etag of each part in case of a multipart upload, empty otherwise
-		pub parts_etags: crdt::Map<u64, String>,
-
-		// Back link to bucket+key so that we can figure if
-		// this was deleted later on
-		/// Bucket in which the related object is stored
-		pub bucket_id: Uuid,
-		/// Key in which the related object is stored
-		pub key: String,
-	}
-
-	impl garage_util::migrate::Migrate for Version {
-		type Previous = v05::Version;
-
-		fn migrate(old: v05::Version) -> Version {
-			use garage_util::data::blake2sum;
-
-			Version {
-				uuid: old.uuid,
-				deleted: old.deleted,
-				blocks: old.blocks,
-				parts_etags: old.parts_etags,
-				bucket_id: blake2sum(old.bucket.as_bytes()),
-				key: old.key,
-			}
-		}
-	}
-}
-
 pub(crate) mod v09 {
 	use garage_util::crdt;
 	use garage_util::data::Uuid;