replace Option CRDT by explicit CancelingOption and MergingOption types

src/api/admin/admin_token.rs

@@ -244,8 +244,8 @@ fn admin_token_info_results(token: &AdminApiToken, now: u64) -> GetAdminTokenInf
 				.expect("invalid timestamp stored in db"),
 		),
 		name: params.name.get().to_string(),
-		expiration: params.expiration.get().map(|x| {
-			DateTime::from_timestamp_millis(x as i64).expect("invalid timestamp stored in db")
+		expiration: params.expiration.get().inner().map(|x| {
+			DateTime::from_timestamp_millis(*x as i64).expect("invalid timestamp stored in db")
 		}),
 		expired: params.is_expired(now),
 		scope: params.scope.get().0.clone(),
@@ -279,10 +279,10 @@ fn apply_token_updates(
 	if let Some(expiration) = updates.expiration {
 		params
 			.expiration
-			.update(Some(expiration.timestamp_millis() as u64));
+			.update(Some(expiration.timestamp_millis() as u64).into());
 	}
 	if updates.never_expires {
-		params.expiration.update(None);
+		params.expiration.update(None.into());
 	}
 	if let Some(scope) = updates.scope {
 		params.scope.update(AdminApiTokenScope(scope));

src/api/admin/bucket.rs

@@ -90,7 +90,7 @@ impl RequestHandler for GetBucketInfoRequest {
 				.bucket_alias_table
 				.get(&EmptyKey, &ga)
 				.await?
-				.and_then(|x| *x.state.get())
+				.and_then(|x| x.state.get().into_inner())
 				.ok_or_else(|| HelperError::NoSuchBucket(ga.to_string()))?,
 			(None, None, Some(search)) => {
 				let helper = garage.bucket_helper();
@@ -168,7 +168,7 @@ impl RequestHandler for CreateBucketRequest {
 			}
 
 			if let Some(alias) = garage.bucket_alias_table.get(&EmptyKey, ga).await? {
-				if alias.state.get().is_some() {
+				if alias.state.get().inner().is_some() {
 					return Err(CommonError::BucketAlreadyExists.into());
 				}
 			}
@@ -297,7 +297,7 @@ impl RequestHandler for UpdateBucketRequest {
 				let redirect_all = state
 					.website_config
 					.get()
-					.as_ref()
+					.inner()
 					.and_then(|wc| wc.redirect_all.clone());
 
 				let routing_rules = if let Some(rr) = wa.routing_rules {
@@ -311,26 +311,29 @@ impl RequestHandler for UpdateBucketRequest {
 					state
 						.website_config
 						.get()
-						.as_ref()
+						.inner()
 						.map(|wc| wc.routing_rules.clone())
 						.unwrap_or_default()
 				};
 
-				state.website_config.update(Some(WebsiteConfig {
-					index_document: wa.index_document.ok_or_bad_request(
-						"Please specify indexDocument when enabling website access.",
-					)?,
-					error_document: wa.error_document,
-					redirect_all,
-					routing_rules,
-				}));
+				state.website_config.update(
+					Some(WebsiteConfig {
+						index_document: wa.index_document.ok_or_bad_request(
+							"Please specify indexDocument when enabling website access.",
+						)?,
+						error_document: wa.error_document,
+						redirect_all,
+						routing_rules,
+					})
+					.into(),
+				);
 			} else {
 				if wa.index_document.is_some() || wa.error_document.is_some() {
 					return Err(Error::bad_request(
                         "Cannot specify indexDocument or errorDocument when disabling website access.",
                     ));
 				}
-				state.website_config.update(None);
+				state.website_config.update(None.into());
 			}
 		}
 
@@ -353,7 +356,7 @@ impl RequestHandler for UpdateBucketRequest {
 				Some(cc.into_garage_cors_config()?)
 			};
 
-			state.cors_config.update(cors_config);
+			state.cors_config.update(cors_config.into());
 		}
 
 		if let Some(lr) = self.body.lifecycle_rules {
@@ -370,7 +373,7 @@ impl RequestHandler for UpdateBucketRequest {
 				)
 			};
 
-			state.lifecycle_config.update(lifecycle_config);
+			state.lifecycle_config.update(lifecycle_config.into());
 		}
 
 		garage.bucket_table.insert(&bucket).await?;
@@ -739,8 +742,8 @@ async fn bucket_info_results(
 			.filter(|(_, _, a)| *a)
 			.map(|(n, _, _)| n.to_string())
 			.collect::<Vec<_>>(),
-		website_access: state.website_config.get().is_some(),
-		website_config: state.website_config.get().clone().map(|wsc| {
+		website_access: state.website_config.get().inner().is_some(),
+		website_config: state.website_config.get().inner().cloned().map(|wsc| {
 			GetBucketInfoWebsiteResponse {
 				index_document: wsc.index_document,
 				error_document: wsc.error_document,
@@ -752,13 +755,13 @@ async fn bucket_info_results(
 				),
 			}
 		}),
-		cors_rules: state.cors_config.get().as_ref().map(|rules| {
+		cors_rules: state.cors_config.get().inner().map(|rules| {
 			rules
 				.iter()
 				.map(xml::cors::CorsRule::from_garage_cors_rule)
 				.collect::<Vec<_>>()
 		}),
-		lifecycle_rules: state.lifecycle_config.get().as_ref().map(|lc| {
+		lifecycle_rules: state.lifecycle_config.get().inner().map(|lc| {
 			lc.iter()
 				.map(xml::lifecycle::LifecycleRule::from_garage_lifecycle_rule)
 				.collect::<Vec<_>>()
@@ -784,7 +787,7 @@ async fn bucket_info_results(
 						.local_aliases
 						.items()
 						.iter()
-						.filter(|(_, _, b)| *b == Some(bucket.id))
+						.filter(|(_, _, b)| b.into_inner() == Some(bucket.id))
 						.map(|(n, _, _)| n.to_string())
 						.collect::<Vec<_>>(),
 				})

src/api/admin/key.rs

@@ -40,8 +40,8 @@ impl RequestHandler for ListKeysRequest {
 						DateTime::from_timestamp_millis(x as i64)
 							.expect("invalid timestamp stored in db")
 					}),
-					expiration: p.expiration.get().map(|x| {
-						DateTime::from_timestamp_millis(x as i64)
+					expiration: p.expiration.get().inner().map(|x| {
+						DateTime::from_timestamp_millis(*x as i64)
 							.expect("invalid timestamp stored in db")
 					}),
 					expired: p.is_expired(now),
@@ -201,7 +201,7 @@ async fn key_info_results(
 				.local_aliases
 				.items()
 				.iter()
-				.filter_map(|(_, _, v)| v.as_ref()),
+				.filter_map(|(_, _, v)| v.inner()),
 		) {
 		if !relevant_buckets.contains_key(id) {
 			if let Some(b) = garage.bucket_table.get(&EmptyKey, id).await? {
@@ -217,8 +217,8 @@ async fn key_info_results(
 		created: key_state.created.map(|x| {
 			DateTime::from_timestamp_millis(x as i64).expect("invalid timestamp stored in db")
 		}),
-		expiration: key_state.expiration.get().map(|x| {
-			DateTime::from_timestamp_millis(x as i64).expect("invalid timestamp stored in db")
+		expiration: key_state.expiration.get().inner().map(|x| {
+			DateTime::from_timestamp_millis(*x as i64).expect("invalid timestamp stored in db")
 		}),
 		expired: key_state.is_expired(now_msec()),
 		access_key_id: key.key_id.clone(),
@@ -283,10 +283,10 @@ fn apply_key_updates(key: &mut Key, updates: UpdateKeyRequestBody) -> Result<(),
 	if let Some(expiration) = updates.expiration {
 		key_state
 			.expiration
-			.update(Some(expiration.timestamp_millis() as u64));
+			.update(Some(expiration.timestamp_millis() as u64).into());
 	}
 	if updates.never_expires {
-		key_state.expiration.update(None);
+		key_state.expiration.update(None.into());
 	}
 	if let Some(allow) = updates.allow {
 		if allow.create_bucket {

src/api/admin/special.rs

@@ -164,7 +164,7 @@ async fn check_domain(garage: &Arc<Garage>, domain: &str) -> Result<bool, Error>
 	}
 
 	let bucket_state = bucket.state.as_option().unwrap();
-	let bucket_website_config = bucket_state.website_config.get();
+	let bucket_website_config = bucket_state.website_config.get().inner();
 
 	match bucket_website_config {
 		Some(_v) => Ok(true),

src/api/common/cors.rs

@@ -19,7 +19,7 @@ pub fn find_matching_cors_rule<'a, B>(
 	bucket_params: &'a BucketParams,
 	req: &'a Request<B>,
 ) -> Result<Option<(&'a GarageCorsRule, &'a str)>, CommonError> {
-	if let Some(cors_config) = bucket_params.cors_config.get() {
+	if let Some(cors_config) = bucket_params.cors_config.get().inner() {
 		if let Some(origin) = req.headers().get("Origin") {
 			let origin = origin.to_str()?;
 			let request_headers = match req.headers().get(ACCESS_CONTROL_REQUEST_HEADERS) {
@@ -158,7 +158,7 @@ pub fn handle_options_for_bucket<B>(
 		None => vec![],
 	};
 
-	if let Some(cors_config) = bucket_params.cors_config.get() {
+	if let Some(cors_config) = bucket_params.cors_config.get().inner() {
 		let matching_rule = cors_config
 			.iter()
 			.find(|rule| cors_rule_matches(rule, origin, request_method, request_headers.iter()));
@@ -192,14 +192,17 @@ mod tests {
 
 	fn bucket_params_with_rule(allow_origins: Vec<&str>) -> BucketParams {
 		let mut bucket_params = BucketParams::default();
-		bucket_params.cors_config.update(Some(vec![GarageCorsRule {
-			id: Some("cors-test".into()),
-			max_age_seconds: None,
-			allow_origins: allow_origins.into_iter().map(str::to_string).collect(),
-			allow_methods: vec!["GET".into(), "PUT".into()],
-			allow_headers: vec!["*".into()],
-			expose_headers: vec![],
-		}]));
+		bucket_params.cors_config.update(
+			Some(vec![GarageCorsRule {
+				id: Some("cors-test".into()),
+				max_age_seconds: None,
+				allow_origins: allow_origins.into_iter().map(str::to_string).collect(),
+				allow_methods: vec!["GET".into(), "PUT".into()],
+				allow_headers: vec!["*".into()],
+				expose_headers: vec![],
+			}])
+			.into(),
+		);
 		bucket_params
 	}
 

src/api/s3/bucket.rs

@@ -122,7 +122,7 @@ pub async fn handle_list_buckets(
 			for (alias, _, _active) in bucket.aliases().iter().filter(|(_, _, active)| *active) {
 				let alias_opt = garage.bucket_alias_table.get(&EmptyKey, alias).await?;
 				if let Some(alias_ent) = alias_opt {
-					if *alias_ent.state.get() == Some(*bucket_id) {
+					if alias_ent.state.get().inner() == Some(bucket_id) {
 						aliases.insert(alias_ent.name().to_string(), *bucket_id);
 					}
 				}
@@ -134,7 +134,7 @@ pub async fn handle_list_buckets(
 	}
 
 	for (alias, _, id_opt) in key_p.local_aliases.items() {
-		if let Some(id) = id_opt {
+		if let Some(id) = id_opt.inner() {
 			aliases.insert(alias.clone(), *id);
 		}
 	}
@@ -256,7 +256,10 @@ pub async fn handle_delete_bucket(ctx: ReqCtx) -> Result<Response<ResBody>, Erro
 
 	let key_params = api_key.params().unwrap();
 
-	let is_local_alias = matches!(key_params.local_aliases.get(bucket_name), Some(Some(_)));
+	let is_local_alias = matches!(
+		key_params.local_aliases.get(bucket_name).map(|x| x.inner()),
+		Some(Some(_))
+	);
 
 	// If the bucket has no other aliases, this is a true deletion.
 	// Otherwise, it is just an alias removal.

src/api/s3/cors.rs

@@ -13,7 +13,7 @@ use crate::xml::to_xml_with_header;
 
 pub async fn handle_get_cors(ctx: ReqCtx) -> Result<Response<ResBody>, Error> {
 	let ReqCtx { bucket_params, .. } = ctx;
-	if let Some(cors) = bucket_params.cors_config.get() {
+	if let Some(cors) = bucket_params.cors_config.get().inner() {
 		let wc = CorsConfiguration {
 			xmlns: (),
 			cors_rules: cors
@@ -38,7 +38,7 @@ pub async fn handle_delete_cors(ctx: ReqCtx) -> Result<Response<ResBody>, Error>
 		mut bucket_params,
 		..
 	} = ctx;
-	bucket_params.cors_config.update(None);
+	bucket_params.cors_config.update(None.into());
 	garage
 		.bucket_table
 		.insert(&Bucket::present(bucket_id, bucket_params))
@@ -67,7 +67,7 @@ pub async fn handle_put_cors(
 
 	bucket_params
 		.cors_config
-		.update(Some(conf.into_garage_cors_config()?));
+		.update(Some(conf.into_garage_cors_config()?).into());
 	garage
 		.bucket_table
 		.insert(&Bucket::present(bucket_id, bucket_params))

src/api/s3/lifecycle.rs

@@ -14,7 +14,7 @@ use garage_model::bucket_table::Bucket;
 pub async fn handle_get_lifecycle(ctx: ReqCtx) -> Result<Response<ResBody>, Error> {
 	let ReqCtx { bucket_params, .. } = ctx;
 
-	if let Some(lifecycle) = bucket_params.lifecycle_config.get() {
+	if let Some(lifecycle) = bucket_params.lifecycle_config.get().inner() {
 		let wc = LifecycleConfiguration::from_garage_lifecycle_config(lifecycle);
 		let xml = to_xml_with_header(&wc)?;
 		Ok(Response::builder()
@@ -33,7 +33,7 @@ pub async fn handle_delete_lifecycle(ctx: ReqCtx) -> Result<Response<ResBody>, E
 		mut bucket_params,
 		..
 	} = ctx;
-	bucket_params.lifecycle_config.update(None);
+	bucket_params.lifecycle_config.update(None.into());
 	garage
 		.bucket_table
 		.insert(&Bucket::present(bucket_id, bucket_params))
@@ -62,7 +62,7 @@ pub async fn handle_put_lifecycle(
 		.validate_into_garage_lifecycle_config()
 		.ok_or_bad_request("Invalid lifecycle configuration")?;
 
-	bucket_params.lifecycle_config.update(Some(config));
+	bucket_params.lifecycle_config.update(Some(config).into());
 	garage
 		.bucket_table
 		.insert(&Bucket::present(bucket_id, bucket_params))

src/api/s3/website.rs

@@ -16,7 +16,7 @@ pub const X_AMZ_WEBSITE_REDIRECT_LOCATION: HeaderName =
 
 pub async fn handle_get_website(ctx: ReqCtx) -> Result<Response<ResBody>, Error> {
 	let ReqCtx { bucket_params, .. } = ctx;
-	if let Some(website) = bucket_params.website_config.get() {
+	if let Some(website) = bucket_params.website_config.get().inner() {
 		let wc = WebsiteConfiguration {
 			xmlns: (),
 			error_document: website.error_document.as_ref().map(|v| Key {
@@ -54,7 +54,7 @@ pub async fn handle_delete_website(ctx: ReqCtx) -> Result<Response<ResBody>, Err
 		mut bucket_params,
 		..
 	} = ctx;
-	bucket_params.website_config.update(None);
+	bucket_params.website_config.update(None.into());
 	garage
 		.bucket_table
 		.insert(&Bucket::present(bucket_id, bucket_params))
@@ -83,7 +83,7 @@ pub async fn handle_put_website(
 
 	bucket_params
 		.website_config
-		.update(Some(conf.into_garage_website_config()?));
+		.update(Some(conf.into_garage_website_config()?).into());
 	garage
 		.bucket_table
 		.insert(&Bucket::present(bucket_id, bucket_params))