Merge pull request 'Many clippy lints fixed' (#488) from k2v-watch-range-2 into main

Reviewed-on: #488

src/api/admin/api_server.rs

@@ -103,7 +103,7 @@ impl AdminApiServer {
 			.bucket_helper()
 			.resolve_global_bucket_name(&domain_string)
 			.await?
-			.ok_or_else(|| HelperError::NoSuchBucket(domain_string))?;
+			.ok_or(HelperError::NoSuchBucket(domain_string))?;
 
 		let bucket = self
 			.garage

src/api/admin/bucket.rs

@@ -167,7 +167,7 @@ async fn bucket_info_results(
 	let quotas = state.quotas.get();
 	let res =
 		GetBucketInfoResult {
-			id: hex::encode(&bucket.id),
+			id: hex::encode(bucket.id),
 			global_aliases: state
 				.aliases
 				.items()
@@ -575,6 +575,6 @@ pub async fn handle_local_unalias_bucket(
 // ---- HELPER ----
 
 fn parse_bucket_id(id: &str) -> Result<Uuid, Error> {
-	let id_hex = hex::decode(&id).ok_or_bad_request("Invalid bucket id")?;
+	let id_hex = hex::decode(id).ok_or_bad_request("Invalid bucket id")?;
 	Ok(Uuid::try_from(&id_hex).ok_or_bad_request("Invalid bucket id")?)
 }

src/api/s3/bucket.rs

@@ -305,7 +305,7 @@ fn parse_create_bucket_xml(xml_bytes: &[u8]) -> Option<Option<String>> {
 	let mut ret = None;
 	for item in cbc.children() {
 		if item.has_tag_name("LocationConstraint") {
-			if ret != None {
+			if ret.is_some() {
 				return None;
 			}
 			ret = Some(item.text()?.to_string());

src/api/s3/post_object.rs

@@ -140,7 +140,7 @@ pub async fn handle_post_object(
 		.await?;
 
 	let decoded_policy = BASE64_STANDARD
-		.decode(&policy)
+		.decode(policy)
 		.ok_or_bad_request("Invalid policy")?;
 	let decoded_policy: Policy =
 		serde_json::from_slice(&decoded_policy).ok_or_bad_request("Invalid policy")?;

src/block/metrics.rs

@@ -38,7 +38,7 @@ impl BlockManagerMetrics {
 				.u64_value_observer("block.compression_level", move |observer| {
 					match compression_level {
 						Some(v) => observer.observe(v as u64, &[]),
-						None => observer.observe(0 as u64, &[]),
+						None => observer.observe(0_u64, &[]),
 					}
 				})
 				.with_description("Garage compression level for node")

src/block/rc.rs

@@ -24,9 +24,9 @@ impl BlockRc {
 		tx: &mut db::Transaction,
 		hash: &Hash,
 	) -> db::TxOpResult<bool> {
-		let old_rc = RcEntry::parse_opt(tx.get(&self.rc, &hash)?);
+		let old_rc = RcEntry::parse_opt(tx.get(&self.rc, hash)?);
 		match old_rc.increment().serialize() {
-			Some(x) => tx.insert(&self.rc, &hash, x)?,
+			Some(x) => tx.insert(&self.rc, hash, x)?,
 			None => unreachable!(),
 		};
 		Ok(old_rc.is_zero())
@@ -39,10 +39,10 @@ impl BlockRc {
 		tx: &mut db::Transaction,
 		hash: &Hash,
 	) -> db::TxOpResult<bool> {
-		let new_rc = RcEntry::parse_opt(tx.get(&self.rc, &hash)?).decrement();
+		let new_rc = RcEntry::parse_opt(tx.get(&self.rc, hash)?).decrement();
 		match new_rc.serialize() {
-			Some(x) => tx.insert(&self.rc, &hash, x)?,
-			None => tx.remove(&self.rc, &hash)?,
+			Some(x) => tx.insert(&self.rc, hash, x)?,
+			None => tx.remove(&self.rc, hash)?,
 		};
 		Ok(matches!(new_rc, RcEntry::Deletable { .. }))
 	}
@@ -57,10 +57,10 @@ impl BlockRc {
 	pub(crate) fn clear_deleted_block_rc(&self, hash: &Hash) -> Result<(), Error> {
 		let now = now_msec();
 		self.rc.db().transaction(|mut tx| {
-			let rcval = RcEntry::parse_opt(tx.get(&self.rc, &hash)?);
+			let rcval = RcEntry::parse_opt(tx.get(&self.rc, hash)?);
 			match rcval {
 				RcEntry::Deletable { at_time } if now > at_time => {
-					tx.remove(&self.rc, &hash)?;
+					tx.remove(&self.rc, hash)?;
 				}
 				_ => (),
 			};

src/block/repair.rs

@@ -466,11 +466,11 @@ impl BlockStoreIterator {
 			let ent_type = data_dir_ent.file_type().await?;
 
 			let name = name.strip_suffix(".zst").unwrap_or(&name);
-			if name.len() == 2 && hex::decode(&name).is_ok() && ent_type.is_dir() {
+			if name.len() == 2 && hex::decode(name).is_ok() && ent_type.is_dir() {
 				let path = data_dir_ent.path();
 				self.path.push(ReadingDir::Pending(path));
 			} else if name.len() == 64 {
-				if let Ok(h) = hex::decode(&name) {
+				if let Ok(h) = hex::decode(name) {
 					let mut hash = [0u8; 32];
 					hash.copy_from_slice(&h);
 					return Ok(Some(hash.into()));

src/garage/cli/cmd.rs

@@ -60,7 +60,7 @@ pub async fn cmd_status(rpc_cli: &Endpoint<SystemRpc, ()>, rpc_host: NodeID) ->
 
 	println!("==== HEALTHY NODES ====");
 	let mut healthy_nodes =
-		vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity\tDataAvail\tMetaAvail".to_string()];
+		vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity\tDataAvail".to_string()];
 	for adv in status.iter().filter(|adv| adv.is_up) {
 		match layout.roles.get(&adv.id) {
 			Some(NodeRoleV(Some(cfg))) => {

src/garage/cli/init.rs

@@ -14,11 +14,11 @@ pub fn node_id_command(config_file: PathBuf, quiet: bool) -> Result<(), Error> {
 		garage_rpc::system::read_node_id(&config.metadata_dir).err_context(READ_KEY_ERROR)?;
 
 	let idstr = if let Some(addr) = config.rpc_public_addr {
-		let idstr = format!("{}@{}", hex::encode(&node_id), addr);
+		let idstr = format!("{}@{}", hex::encode(node_id), addr);
 		println!("{}", idstr);
 		idstr
 	} else {
-		let idstr = hex::encode(&node_id);
+		let idstr = hex::encode(node_id);
 		println!("{}", idstr);
 
 		if !quiet {

src/garage/cli/util.rs

@@ -229,7 +229,7 @@ pub fn find_matching_node(
 ) -> Result<Uuid, Error> {
 	let mut candidates = vec![];
 	for c in cand {
-		if hex::encode(&c).starts_with(&pattern) && !candidates.contains(&c) {
+		if hex::encode(c).starts_with(pattern) && !candidates.contains(&c) {
 			candidates.push(c);
 		}
 	}

src/garage/tests/k2v/poll.rs

@@ -1,3 +1,4 @@
+use base64::prelude::*;
 use hyper::{Method, StatusCode};
 use std::time::Duration;
 
@@ -160,7 +161,7 @@ async fn test_poll_range() {
 		json!(
 			{
 				"items": [
-				  {"sk": "test1", "ct": ct, "v": [base64::encode(b"Initial value")]},
+				  {"sk": "test1", "ct": ct, "v": [BASE64_STANDARD.encode(b"Initial value")]},
 				],
 				"seenMarker": seen_marker,
 			}
@@ -212,7 +213,7 @@ async fn test_poll_range() {
 	assert_json_eq!(&json_res["items"][0]["sk"], json!("test1"));
 	assert_json_eq!(
 		&json_res["items"][0]["v"],
-		json!([base64::encode(b"New value")])
+		json!([BASE64_STANDARD.encode(b"New value")])
 	);
 
 	// Now we will add a value on a different key
@@ -259,6 +260,6 @@ async fn test_poll_range() {
 	assert_json_eq!(&json_res["items"][0]["sk"], json!("test2"));
 	assert_json_eq!(
 		&json_res["items"][0]["v"],
-		json!([base64::encode(b"Other value")])
+		json!([BASE64_STANDARD.encode(b"Other value")])
 	);
 }

src/garage/tests/s3/website.rs

@@ -57,7 +57,7 @@ async fn test_website() {
 		Request::builder()
 			.method("GET")
 			.uri(format!("http://127.0.0.1:{}/check", ctx.garage.admin_port))
-			.header("domain", format!("{}", BCKT_NAME))
+			.header("domain", BCKT_NAME.to_string())
 			.body(Body::empty())
 			.unwrap()
 	};
@@ -92,7 +92,7 @@ async fn test_website() {
 		Request::builder()
 			.method("GET")
 			.uri(format!("http://127.0.0.1:{}/check", ctx.garage.admin_port))
-			.header("domain", format!("{}", BCKT_NAME))
+			.header("domain", BCKT_NAME.to_string())
 			.body(Body::empty())
 			.unwrap()
 	};
@@ -121,7 +121,7 @@ async fn test_website() {
 		Request::builder()
 			.method("GET")
 			.uri(format!("http://127.0.0.1:{}/check", ctx.garage.admin_port))
-			.header("domain", format!("{}", BCKT_NAME))
+			.header("domain", BCKT_NAME.to_string())
 			.body(Body::empty())
 			.unwrap()
 	};

src/model/garage.rs

@@ -159,7 +159,7 @@ impl Garage {
 		};
 
 		let network_key = NetworkKey::from_slice(
-			&hex::decode(&config.rpc_secret.as_ref().unwrap()).expect("Invalid RPC secret key")[..],
+			&hex::decode(config.rpc_secret.as_ref().unwrap()).expect("Invalid RPC secret key")[..],
 		)
 		.expect("Invalid RPC secret key");
 

src/model/k2v/item_table.rs

@@ -269,6 +269,7 @@ impl CountedItem for K2VItem {
 		&self.partition.partition_key
 	}
 
+	#[allow(clippy::bool_to_int_with_if)]
 	fn counts(&self) -> Vec<(&'static str, i64)> {
 		let values = self.values();
 
@@ -313,7 +314,7 @@ mod tests {
 			values: vec![(6, DvvsValue::Value(vec![16])), (7, DvvsValue::Deleted)],
 		};
 
-		let mut e3 = e1.clone();
+		let mut e3 = e1;
 		e3.merge(&e2);
 		assert_eq!(e2, e3);
 	}

src/model/k2v/rpc.rs

@@ -37,7 +37,7 @@ use crate::k2v::sub::*;
 
 const POLL_RANGE_EXTRA_DELAY: Duration = Duration::from_millis(200);
 
-const TIMESTAMP_KEY: &'static [u8] = b"timestamp";
+const TIMESTAMP_KEY: &[u8] = b"timestamp";
 
 /// RPC messages for K2V
 #[derive(Debug, Serialize, Deserialize)]
@@ -418,7 +418,7 @@ impl K2VRpcHandler {
 			.data
 			.update_entry_with(&item.partition, &item.sort_key, |tx, ent| {
 				let old_local_timestamp = tx
-					.get(&local_timestamp_tree, TIMESTAMP_KEY)?
+					.get(local_timestamp_tree, TIMESTAMP_KEY)?
 					.and_then(|x| x.try_into().ok())
 					.map(u64::from_be_bytes)
 					.unwrap_or_default();
@@ -438,7 +438,7 @@ impl K2VRpcHandler {
 				);
 
 				tx.insert(
-					&local_timestamp_tree,
+					local_timestamp_tree,
 					TIMESTAMP_KEY,
 					u64::to_be_bytes(new_local_timestamp),
 				)?;

src/model/k2v/seen.rs

@@ -63,7 +63,7 @@ impl RangeSeenMarker {
 					None => {
 						self.items.insert(item.sort_key.clone(), cc.vector_clock);
 					}
-					Some(ent) => *ent = vclock_max(&ent, &cc.vector_clock),
+					Some(ent) => *ent = vclock_max(ent, &cc.vector_clock),
 				}
 			}
 		}
@@ -71,7 +71,7 @@ impl RangeSeenMarker {
 
 	pub fn canonicalize(&mut self) {
 		let self_vc = &self.vector_clock;
-		self.items.retain(|_sk, vc| vclock_gt(&vc, self_vc))
+		self.items.retain(|_sk, vc| vclock_gt(vc, self_vc))
 	}
 
 	pub fn encode(&mut self) -> Result<String, Error> {
@@ -84,7 +84,7 @@ impl RangeSeenMarker {
 
 	/// Decode from msgpack+zstd+b64 representation, returns None on error.
 	pub fn decode(s: &str) -> Option<Self> {
-		let bytes = BASE64_STANDARD.decode(&s).ok()?;
+		let bytes = BASE64_STANDARD.decode(s).ok()?;
 		let bytes = zstd::stream::decode_all(&mut &bytes[..]).ok()?;
 		nonversioned_decode(&bytes).ok()
 	}
@@ -99,7 +99,7 @@ impl RangeSeenMarker {
 			&& self
 				.items
 				.get(&item.sort_key)
-				.map(|vc| vclock_gt(&cc.vector_clock, &vc))
+				.map(|vc| vclock_gt(&cc.vector_clock, vc))
 				.unwrap_or(true)
 	}
 }

src/model/s3/object_table.rs

@@ -355,6 +355,7 @@ impl CountedItem for Object {
 
 	fn counts(&self) -> Vec<(&'static str, i64)> {
 		let versions = self.versions();
+		#[allow(clippy::bool_to_int_with_if)]
 		let n_objects = if versions.iter().any(|v| v.is_data()) {
 			1
 		} else {

src/rpc/consul.rs

@@ -113,7 +113,7 @@ impl ConsulDiscovery {
 			let pubkey = ent
 				.node_meta
 				.get("pubkey")
-				.and_then(|k| hex::decode(&k).ok())
+				.and_then(|k| hex::decode(k).ok())
 				.and_then(|k| NodeID::from_slice(&k[..]));
 			if let (Some(ip), Some(pubkey)) = (ip, pubkey) {
 				ret.push((pubkey, SocketAddr::new(ip, ent.service_port)));

src/rpc/system.rs

@@ -215,7 +215,7 @@ pub fn gen_node_key(metadata_dir: &Path) -> Result<NodeKey, Error> {
 	} else {
 		if !metadata_dir.exists() {
 			info!("Metadata directory does not exist, creating it.");
-			std::fs::create_dir(&metadata_dir)?;
+			std::fs::create_dir(metadata_dir)?;
 		}
 
 		info!("Generating new node key pair.");
@@ -419,7 +419,7 @@ impl System {
 					.get(&n.id.into())
 					.cloned()
 					.map(|(_, st)| st)
-					.unwrap_or(NodeStatus::unknown()),
+					.unwrap_or_else(NodeStatus::unknown),
 			})
 			.collect::<Vec<_>>();
 		known_nodes