Cargo.toml

@@ -11,11 +11,13 @@ members = [
 	"src/web",
 	"src/garage",
 	"src/k2v-client",
+	"src/format-table",
 ]
 
 default-members = ["src/garage"]
 
 [workspace.dependencies]
+format_table = { version = "0.1.1", path = "src/format-table" }
 garage_api = { version = "0.8.2", path = "src/api" }
 garage_block = { version = "0.8.2", path = "src/block" }
 garage_db = { version = "0.8.2", path = "src/db", default-features = false }
@@ -24,6 +26,7 @@ garage_rpc = { version = "0.8.2", path = "src/rpc" }
 garage_table = { version = "0.8.2", path = "src/table" }
 garage_util = { version = "0.8.2", path = "src/util" }
 garage_web = { version = "0.8.2", path = "src/web" }
+k2v-client = { version = "0.0.4", path = "src/k2v-client" }
 
 [profile.dev]
 lto = "off"

doc/book/development/devenv.md

@@ -25,7 +25,7 @@ git clone https://git.deuxfleurs.fr/Deuxfleurs/garage
 cd garage
 ```
 
-*Optionnaly, you can use our nix.conf file to speed up compilations:*
+*Optionally, you can use our nix.conf file to speed up compilations:*
 
 ```bash
 sudo mkdir -p /etc/nix

doc/book/reference-manual/configuration.md

@@ -37,12 +37,18 @@ bootstrap_peers = [
 
 
 [consul_discovery]
+api = "catalog"
 consul_http_addr = "http://127.0.0.1:8500"
 service_name = "garage-daemon"
 ca_cert = "/etc/consul/consul-ca.crt"
 client_cert = "/etc/consul/consul-client.crt"
 client_key = "/etc/consul/consul-key.crt"
+# for `agent` API mode, unset client_cert and client_key, and optionally enable `token`
+# token = "abcdef-01234-56789"
 tls_skip_verify = false
+tags = [ "dns-enabled" ]
+meta = { dns-acl = "allow trusted" }
+
 
 [kubernetes_discovery]
 namespace = "garage"
@@ -246,7 +252,7 @@ Garage supports the following replication modes:
     that should probably never be used.
 
 Note that in modes `2` and `3`,
-if at least the same number of zones are available, an arbitrary number of failures in 
+if at least the same number of zones are available, an arbitrary number of failures in
 any given zone is tolerated as copies of data will be spread over several zones.
 
 **Make sure `replication_mode` is the same in the configuration files of all nodes.
@@ -290,7 +296,7 @@ Values between `1` (faster compression) and `19` (smaller file) are standard com
 levels for zstd. From `20` to `22`, compression levels are referred as "ultra" and must be
 used with extra care as it will use lot of memory. A value of `0` will let zstd choose a
 default value (currently `3`). Finally, zstd has also compression designed to be faster
-than default compression levels, they range from `-1` (smaller file) to `-99` (faster 
+than default compression levels, they range from `-1` (smaller file) to `-99` (faster
 compression).
 
 If you do not specify a `compression_level` entry, Garage will set it to `1` for you. With
@@ -361,6 +367,12 @@ reached by other nodes of the cluster, which should be set in `rpc_public_addr`.
 
 The `consul_http_addr` parameter should be set to the full HTTP(S) address of the Consul server.
 
+### `api`
+
+Two APIs for service registration are supported: `catalog`  and `agent`. `catalog`, the default, will register a service using
+the `/v1/catalog` endpoints, enabling mTLS if `client_cert` and `client_key` are provided. The `agent` API uses the
+`v1/agent` endpoints instead, where an optional `token` may be provided.
+
 ### `service_name`
 
 `service_name` should be set to the service name under which Garage's
@@ -369,6 +381,7 @@ RPC ports are announced.
 ### `client_cert`, `client_key`
 
 TLS client certificate and client key to use when communicating with Consul over TLS. Both are mandatory when doing so.
+Only available when `api = "catalog"`.
 
 ### `ca_cert`
 
@@ -379,6 +392,29 @@ TLS CA certificate to use when communicating with Consul over TLS.
 Skip server hostname verification in TLS handshake.
 `ca_cert` is ignored when this is set.
 
+### `token`
+
+Uses the provided token for communication with Consul. Only available when `api = "agent"`.
+The policy assigned to this token should at least have these rules:
+
+```hcl
+// the `service_name` specified above
+service "garage" {
+  policy = "write"
+}
+
+service_prefix "" {
+  policy = "read"
+}
+
+node_prefix "" {
+  policy = "read"
+}
+```
+
+### `tags` and `meta`
+
+Additional list of tags and map of service meta to add during service registration.
 
 ## The `[kubernetes_discovery]` section
 

src/api/admin/api_server.rs

@@ -105,7 +105,7 @@ impl AdminApiServer {
 		let bucket_id = self
 			.garage
 			.bucket_helper()
-			.resolve_global_bucket_name(&domain)
+			.resolve_global_bucket_name(domain)
 			.await?
 			.ok_or(HelperError::NoSuchBucket(domain.to_string()))?;
 

src/api/generic_server.rs

@@ -128,7 +128,7 @@ impl<A: ApiHandler> ApiServer<A> {
 		let uri = req.uri().clone();
 
 		if let Ok(forwarded_for_ip_addr) =
-			forwarded_headers::handle_forwarded_for_headers(&req.headers())
+			forwarded_headers::handle_forwarded_for_headers(req.headers())
 		{
 			info!(
 				"{} (via {}) {} {}",

src/api/k2v/batch.rs

@@ -282,8 +282,8 @@ pub(crate) async fn handle_poll_range(
 	if let Some((items, seen_marker)) = resp {
 		let resp = PollRangeResponse {
 			items: items
-				.into_iter()
-				.map(|(_k, i)| ReadBatchResponseItem::from(i))
+				.into_values()
+				.map(ReadBatchResponseItem::from)
 				.collect::<Vec<_>>(),
 			seen_marker,
 		};

src/api/signature/payload.rs

@@ -19,7 +19,7 @@ use crate::signature::error::*;
 
 pub async fn check_payload_signature(
 	garage: &Garage,
-	service: &str,
+	service: &'static str,
 	request: &Request<Body>,
 ) -> Result<(Option<Key>, Option<Hash>), Error> {
 	let mut headers = HashMap::new();
@@ -51,6 +51,7 @@ pub async fn check_payload_signature(
 	};
 
 	let canonical_request = canonical_request(
+		service,
 		request.method(),
 		request.uri(),
 		&headers,
@@ -184,7 +185,7 @@ fn parse_query_authorization(
 
 	if duration > 7 * 24 * 3600 {
 		return Err(Error::bad_request(
-			"X-Amz-Exprires may not exceed a week".to_string(),
+			"X-Amz-Expires may not exceed a week".to_string(),
 		));
 	}
 
@@ -210,7 +211,7 @@ fn parse_query_authorization(
 fn parse_credential(cred: &str) -> Result<(String, String), Error> {
 	let first_slash = cred
 		.find('/')
-		.ok_or_bad_request("Credentials does not contain / in authorization field")?;
+		.ok_or_bad_request("Credentials does not contain '/' in authorization field")?;
 	let (key_id, scope) = cred.split_at(first_slash);
 	Ok((
 		key_id.to_string(),
@@ -231,15 +232,50 @@ pub fn string_to_sign(datetime: &DateTime<Utc>, scope_string: &str, canonical_re
 }
 
 pub fn canonical_request(
+	service: &'static str,
 	method: &Method,
 	uri: &hyper::Uri,
 	headers: &HashMap<String, String>,
 	signed_headers: &str,
 	content_sha256: &str,
 ) -> String {
+	// There seems to be evidence that in AWSv4 signatures, the path component is url-encoded
+	// a second time when building the canonical request, as specified in this documentation page:
+	// -> https://docs.aws.amazon.com/rolesanywhere/latest/userguide/authentication-sign-process.html
+	// However this documentation page is for a specific service ("roles anywhere"), and
+	// in the S3 service we know for a fact that there is no double-urlencoding, because all of
+	// the tests we made with external software work without it.
+	//
+	// The theory is that double-urlencoding occurs for all services except S3,
+	// which is what is implemented in rusoto_signature:
+	// -> https://docs.rs/rusoto_signature/latest/src/rusoto_signature/signature.rs.html#464
+	//
+	// Digging into the code of the official AWS Rust SDK, we learn that double-URI-encoding can
+	// be set or unset on a per-request basis (the signature crates, aws-sigv4 and aws-sig-auth,
+	// are agnostic to this). Grepping the codebase confirms that S3 is the only API for which
+	// double_uri_encode is set to false, meaning it is true (its default value) for all other
+	// AWS services. We will therefore implement this behavior in Garage as well.
+	//
+	// Note that this documentation page, which is touted as the "authoritative reference" on
+	// AWSv4 signatures, makes no mention of either single- or double-urlencoding:
+	// -> https://docs.aws.amazon.com/IAM/latest/UserGuide/create-signed-request.html
+	// This page of the S3 documentation does also not mention anything specific:
+	// -> https://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-header-based-auth.html
+	//
+	// Note that there is also the issue of path normalization, which I hope is unrelated to the
+	// one of URI-encoding. At least in aws-sigv4 both parameters can be set independently,
+	// and rusoto_signature does not seem to do any effective path normalization, even though
+	// it mentions it in the comments (same link to the souce code as above).
+	// We make the explicit choice of NOT normalizing paths in the K2V API because doing so
+	// would make non-normalized paths invalid K2V partition keys, and we don't want that.
+	let path: std::borrow::Cow<str> = if service != "s3" {
+		uri_encode(uri.path(), false).into()
+	} else {
+		uri.path().into()
+	};
 	[
 		method.as_str(),
-		uri.path(),
+		&path,
 		&canonical_query_string(uri),
 		&canonical_header_string(headers, signed_headers),
 		"",

src/block/Cargo.toml

@@ -37,7 +37,7 @@ serde_bytes = "0.11"
 futures = "0.3"
 futures-util = "0.3"
 tokio = { version = "1.0", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }
-tokio-util = { version = "0.6", features = ["io"] }
+tokio-util = { version = "0.7", features = ["io"] }
 
 [features]
 system-libs = [ "zstd/pkg-config" ]

src/block/repair.rs

@@ -220,14 +220,12 @@ fn randomize_next_scrub_run_time(timestamp: u64) -> u64 {
 	// Take SCRUB_INTERVAL and mix in a random interval of 10 days to attempt to
 	// balance scrub load across different cluster nodes.
 
-	let next_run_timestamp = timestamp
+	timestamp
 		+ SCRUB_INTERVAL
 			.saturating_add(Duration::from_secs(
 				rand::thread_rng().gen_range(0..3600 * 24 * 10),
 			))
-			.as_millis() as u64;
-
-	next_run_timestamp
+			.as_millis() as u64
 }
 
 impl Default for ScrubWorkerPersisted {
@@ -241,18 +239,14 @@ impl Default for ScrubWorkerPersisted {
 	}
 }
 
+#[derive(Default)]
 enum ScrubWorkerState {
 	Running(BlockStoreIterator),
 	Paused(BlockStoreIterator, u64), // u64 = time when to resume scrub
+	#[default]
 	Finished,
 }
 
-impl Default for ScrubWorkerState {
-	fn default() -> Self {
-		ScrubWorkerState::Finished
-	}
-}
-
 #[derive(Debug)]
 pub enum ScrubWorkerCommand {
 	Start,

src/format-table/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "format_table"
+version = "0.1.1"
+authors = ["Alex Auvolat <alex@adnab.me>"]
+edition = "2018"
+license = "AGPL-3.0"
+description = "Format tables with a stupid API"
+repository = "https://git.deuxfleurs.fr/Deuxfleurs/garage"
+readme = "README.md"
+
+[lib]
+path = "lib.rs"

src/format-table/README.md

@@ -0,0 +1,13 @@
+# `format_table`
+
+Format tables with a stupid API. [Documentation](https://docs.rs/format_table).
+
+Example:
+
+```rust
+let mut table = vec!["product\tquantity\tprice".to_string()];
+for (p, q, r) in [("tomato", 12, 15), ("potato", 10, 20), ("rice", 5, 12)] {
+	table.push(format!("{}\t{}\t{}", p, q, r));
+}
+format_table::format_table(table);
+```

src/format-table/lib.rs

@@ -1,3 +1,19 @@
+//! Format tables with a stupid API.
+//!
+//! Example:
+//!
+//! ```rust
+//! let mut table = vec!["product\tquantity\tprice".to_string()];
+//! for (p, q, r) in [("tomato", 12, 15), ("potato", 10, 20), ("rice", 5, 12)] {
+//!     table.push(format!("{}\t{}\t{}", p, q, r));
+//! }
+//! format_table::format_table(table);
+//! ```
+//!
+//! A table to be formatted is a `Vec<String>`, containing one string per line.
+//! Table columns in each line are separated by a `\t` character.
+
+/// Format a table and return the result as a string.
 pub fn format_table_to_string(data: Vec<String>) -> String {
 	let data = data
 		.iter()
@@ -27,6 +43,7 @@ pub fn format_table_to_string(data: Vec<String>) -> String {
 	out
 }
 
+/// Format a table and print the result to stdout.
 pub fn format_table(data: Vec<String>) {
 	print!("{}", format_table_to_string(data));
 }

src/garage/Cargo.toml

@@ -21,6 +21,7 @@ path = "tests/lib.rs"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+format_table.workspace = true
 garage_db.workspace = true
 garage_api.workspace = true
 garage_block.workspace = true
@@ -72,6 +73,8 @@ assert-json-diff = "2.0"
 serde_json = "1.0"
 base64 = "0.21"
 
+k2v-client.workspace = true
+
 
 [features]
 default = [ "bundled-libs", "metrics", "sled", "lmdb", "sqlite", "k2v" ]

src/garage/admin/mod.rs

@@ -9,10 +9,11 @@ use std::sync::Arc;
 use async_trait::async_trait;
 use serde::{Deserialize, Serialize};
 
+use format_table::format_table_to_string;
+
 use garage_util::background::BackgroundRunner;
 use garage_util::data::*;
 use garage_util::error::Error as GarageError;
-use garage_util::formater::format_table_to_string;
 
 use garage_table::replication::*;
 use garage_table::*;

src/garage/cli/cmd.rs

@@ -1,8 +1,8 @@
 use std::collections::HashSet;
 use std::time::Duration;
 
+use format_table::format_table;
 use garage_util::error::*;
-use garage_util::formater::format_table;
 
 use garage_rpc::layout::*;
 use garage_rpc::system::*;

src/garage/cli/layout.rs

@@ -1,8 +1,8 @@
 use bytesize::ByteSize;
 
+use format_table::format_table;
 use garage_util::crdt::Crdt;
 use garage_util::error::*;
-use garage_util::formater::format_table;
 
 use garage_rpc::layout::*;
 use garage_rpc::system::*;

src/garage/cli/util.rs

@@ -1,11 +1,11 @@
 use std::collections::HashMap;
 use std::time::Duration;
 
+use format_table::format_table;
 use garage_util::background::*;
 use garage_util::crdt::*;
 use garage_util::data::*;
 use garage_util::error::*;
-use garage_util::formater::format_table;
 use garage_util::time::*;
 
 use garage_block::manager::BlockResyncErrorInfo;
@@ -383,13 +383,18 @@ pub fn print_block_error_list(el: Vec<BlockResyncErrorInfo>) {
 
 	let mut table = vec!["Hash\tRC\tErrors\tLast error\tNext try".into()];
 	for e in el {
+		let next_try = if e.next_try > now {
+			tf2.convert(Duration::from_millis(e.next_try - now))
+		} else {
+			"asap".to_string()
+		};
 		table.push(format!(
 			"{}\t{}\t{}\t{}\tin {}",
 			hex::encode(e.hash.as_slice()),
 			e.refcount,
 			e.error_count,
 			tf.convert(Duration::from_millis(now - e.last_try)),
-			tf2.convert(Duration::from_millis(e.next_try - now))
+			next_try
 		));
 	}
 	format_table(table);

src/garage/tests/common/custom_requester.rs

@@ -209,6 +209,7 @@ impl<'a> RequestBuilder<'a> {
 		all_headers.extend(self.unsigned_headers.clone());
 
 		let canonical_request = signature::payload::canonical_request(
+			self.service,
 			&self.method,
 			&Uri::try_from(&uri).unwrap(),
 			&all_headers,

src/garage/tests/common/mod.rs

@@ -1,5 +1,6 @@
 use aws_sdk_s3::{Client, Region};
 use ext::*;
+use k2v_client::K2vClient;
 
 #[macro_use]
 pub mod macros;
@@ -68,6 +69,19 @@ impl Context {
 
 		bucket_name
 	}
+
+	/// Build a K2vClient for a given bucket
+	pub fn k2v_client(&self, bucket: &str) -> K2vClient {
+		let config = k2v_client::K2vClientConfig {
+			region: REGION.to_string(),
+			endpoint: self.garage.k2v_uri().to_string(),
+			aws_access_key_id: self.key.id.clone(),
+			aws_secret_access_key: self.key.secret.clone(),
+			bucket: bucket.to_string(),
+			user_agent: None,
+		};
+		K2vClient::new(config).expect("Could not create K2V client")
+	}
 }
 
 pub fn context() -> Context {

src/garage/tests/k2v_client/mod.rs

@@ -0,0 +1 @@
+pub mod simple;

src/garage/tests/k2v_client/simple.rs

@@ -0,0 +1,60 @@
+use std::time::Duration;
+
+use k2v_client::*;
+
+use crate::common;
+
+#[tokio::test]
+async fn test_simple() {
+	let ctx = common::context();
+	let bucket = ctx.create_bucket("test-k2v-client-simple");
+	let k2v_client = ctx.k2v_client(&bucket);
+
+	k2v_client
+		.insert_item("root", "test1", b"Hello, world!".to_vec(), None)
+		.await
+		.unwrap();
+
+	let res = k2v_client.read_item("root", "test1").await.unwrap();
+
+	assert_eq!(res.value.len(), 1);
+	assert_eq!(res.value[0], K2vValue::Value(b"Hello, world!".to_vec()));
+}
+
+#[tokio::test]
+async fn test_special_chars() {
+	let ctx = common::context();
+	let bucket = ctx.create_bucket("test-k2v-client-simple-special-chars");
+	let k2v_client = ctx.k2v_client(&bucket);
+
+	let (pk, sk) = ("root@plépp", "≤≤««");
+	k2v_client
+		.insert_item(pk, sk, b"Hello, world!".to_vec(), None)
+		.await
+		.unwrap();
+
+	let res = k2v_client.read_item(pk, sk).await.unwrap();
+	assert_eq!(res.value.len(), 1);
+	assert_eq!(res.value[0], K2vValue::Value(b"Hello, world!".to_vec()));
+
+	// sleep a bit before read_index
+	tokio::time::sleep(Duration::from_secs(1)).await;
+	let res = k2v_client.read_index(Default::default()).await.unwrap();
+	assert_eq!(res.items.len(), 1);
+	assert_eq!(res.items.keys().next().unwrap(), pk);
+
+	let res = k2v_client
+		.read_batch(&[BatchReadOp {
+			partition_key: pk,
+			filter: Default::default(),
+			single_item: false,
+			conflicts_only: false,
+			tombstones: false,
+		}])
+		.await
+		.unwrap();
+	assert_eq!(res.len(), 1);
+	let res = &res[0];
+	assert_eq!(res.items.len(), 1);
+	assert_eq!(res.items.keys().next().unwrap(), sk);
+}

src/garage/tests/lib.rs

@@ -8,3 +8,5 @@ mod s3;
 
 #[cfg(feature = "k2v")]
 mod k2v;
+#[cfg(feature = "k2v")]
+mod k2v_client;

src/k2v-client/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "k2v-client"
-version = "0.1.1"
+version = "0.0.4"
 authors = ["Trinity Pointard <trinity.pointard@gmail.com>", "Alex Auvolat <alex@adnab.me>"]
 edition = "2018"
 license = "AGPL-3.0"
@@ -10,24 +10,28 @@ readme = "../../README.md"
 
 [dependencies]
 base64 = "0.21"
+sha2 = "0.10"
+hex = "0.4"
 http = "0.2"
 log = "0.4"
-rusoto_core = { version = "0.48.0", default-features = false, features = ["rustls"] }
-rusoto_credential = "0.48.0"
-rusoto_signature = "0.48.0"
-hyper-rustls = { version = "0.23", default-features = false, features = [ "http1", "http2", "tls12" ] }
-serde = "1.0"
+aws-sigv4 = "0.55"
+percent-encoding = "2.2"
+hyper = { version = "0.14", default-features = false, features = ["client", "http1", "http2"] }
+hyper-rustls = { version = "0.24", features = ["http2"] }
+serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
 thiserror = "1.0"
-tokio = "1.24"
+tokio = { version = "1.0", default-features = false, features = ["rt", "rt-multi-thread", "io-util", "net", "time", "macros", "sync", "signal", "fs"] }
 
 # cli deps
 clap = { version = "4.1", optional = true, features = ["derive", "env"] }
-garage_util = { workspace = true, optional = true }
+format_table = { workspace = true, optional = true }
+tracing = { version = "0.1", optional = true }
+tracing-subscriber = { version = "0.3", optional = true, features = ["env-filter"] }
 
 
 [features]
-cli = ["clap", "tokio/fs", "tokio/io-std", "garage_util"]
+cli = ["clap", "tokio/fs", "tokio/io-std", "tracing", "tracing-subscriber", "format_table"]
 
 [lib]
 path = "lib.rs"

src/k2v-client/bin/k2v-cli.rs

@@ -2,12 +2,11 @@ use std::collections::BTreeMap;
 use std::process::exit;
 use std::time::Duration;
 
+use base64::prelude::*;
+
 use k2v_client::*;
 
-use garage_util::formater::format_table;
-
-use rusoto_core::credential::AwsCredentials;
-use rusoto_core::Region;
+use format_table::format_table;
 
 use clap::{Parser, Subcommand};
 
@@ -155,7 +154,9 @@ impl Value {
 		if let Some(ref text) = self.text {
 			Ok(text.as_bytes().to_vec())
 		} else if let Some(ref b64) = self.b64 {
-			base64::decode(b64).map_err(|_| Error::Message("invalid base64 input".into()))
+			BASE64_STANDARD
+				.decode(b64)
+				.map_err(|_| Error::Message("invalid base64 input".into()))
 		} else if let Some(ref path) = self.file {
 			use tokio::io::AsyncReadExt;
 			if path == "-" {
@@ -230,7 +231,7 @@ impl ReadOutputKind {
 			for val in val.value {
 				match val {
 					K2vValue::Value(v) => {
-						println!("{}", base64::encode(&v))
+						println!("{}", BASE64_STANDARD.encode(&v))
 					}
 					K2vValue::Tombstone => {
 						println!();
@@ -249,7 +250,7 @@ impl ReadOutputKind {
 					if let Ok(string) = std::str::from_utf8(&v) {
 						println!("  utf-8: {}", string);
 					} else {
-						println!("  base64: {}", base64::encode(&v));
+						println!("  base64: {}", BASE64_STANDARD.encode(&v));
 					}
 				}
 				K2vValue::Tombstone => {
@@ -275,7 +276,7 @@ struct BatchOutputKind {
 impl BatchOutputKind {
 	fn display_human_output(&self, values: BTreeMap<String, CausalValue>) -> ! {
 		for (key, values) in values {
-			println!("key: {}", key);
+			println!("sort_key: {}", key);
 			let causality: String = values.causality.into();
 			println!("causality: {}", causality);
 			for value in values.value {
@@ -284,7 +285,7 @@ impl BatchOutputKind {
 						if let Ok(string) = std::str::from_utf8(&v) {
 							println!("  value(utf-8): {}", string);
 						} else {
-							println!("  value(base64): {}", base64::encode(&v));
+							println!("  value(base64): {}", BASE64_STANDARD.encode(&v));
 						}
 					}
 					K2vValue::Tombstone => {
@@ -393,16 +394,27 @@ impl Filter {
 
 #[tokio::main]
 async fn main() -> Result<(), Error> {
+	if std::env::var("RUST_LOG").is_err() {
+		std::env::set_var("RUST_LOG", "warn")
+	}
+
+	tracing_subscriber::fmt()
+		.with_writer(std::io::stderr)
+		.with_env_filter(tracing_subscriber::filter::EnvFilter::from_default_env())
+		.init();
+
 	let args = Args::parse();
 
-	let region = Region::Custom {
-		name: args.region,
+	let config = K2vClientConfig {
 		endpoint: args.endpoint,
+		region: args.region,
+		aws_access_key_id: args.key_id,
+		aws_secret_access_key: args.secret,
+		bucket: args.bucket,
+		user_agent: None,
 	};
 
-	let creds = AwsCredentials::new(args.key_id, args.secret, None, None);
-
-	let client = K2vClient::new(region, args.bucket, creds, None)?;
+	let client = K2vClient::new(config)?;
 
 	match args.command {
 		Command::Insert {
@@ -520,7 +532,7 @@ async fn main() -> Result<(), Error> {
 						value
 							.as_object_mut()
 							.unwrap()
-							.insert("sort_key".to_owned(), k.into());
+							.insert("partition_key".to_owned(), k.into());
 						value
 					})
 					.collect::<Vec<_>>();
@@ -537,7 +549,7 @@ async fn main() -> Result<(), Error> {
 				}
 
 				let mut to_print = Vec::new();
-				to_print.push(format!("key:\tentries\tconflicts\tvalues\tbytes"));
+				to_print.push(format!("partition_key\tentries\tconflicts\tvalues\tbytes"));
 				for (k, v) in res.items {
 					to_print.push(format!(
 						"{}\t{}\t{}\t{}\t{}",

src/k2v-client/error.rs

@@ -18,12 +18,20 @@ pub enum Error {
 	NotFound,
 	#[error("io error: {0}")]
 	IoError(#[from] std::io::Error),
-	#[error("rusoto tls error: {0}")]
-	RusotoTls(#[from] rusoto_core::request::TlsError),
-	#[error("rusoto http error: {0}")]
-	RusotoHttp(#[from] rusoto_core::HttpDispatchError),
+	#[error("http error: {0}")]
+	Http(#[from] http::Error),
+	#[error("hyper error: {0}")]
+	Hyper(#[from] hyper::Error),
+	#[error("invalid header: {0}")]
+	Header(#[from] hyper::header::ToStrError),
 	#[error("deserialization error: {0}")]
 	Deserialization(#[from] serde_json::Error),
+	#[error("invalid signature parameters: {0}")]
+	SignParameters(#[from] aws_sigv4::signing_params::BuildError),
+	#[error("could not sign request: {0}")]
+	SignRequest(#[from] aws_sigv4::http_request::SigningError),
+	#[error("request timed out")]
+	Timeout,
 	#[error("{0}")]
 	Message(Cow<'static, str>),
 }

src/k2v-client/lib.rs

@@ -1,20 +1,23 @@
 use std::collections::BTreeMap;
-use std::time::Duration;
+use std::convert::TryInto;
+use std::time::{Duration, SystemTime};
 
-use http::header::{ACCEPT, CONTENT_LENGTH, CONTENT_TYPE};
-use http::status::StatusCode;
-use http::HeaderMap;
+use base64::prelude::*;
 use log::{debug, error};
+use percent_encoding::{utf8_percent_encode, AsciiSet, NON_ALPHANUMERIC};
+
+use http::header::{ACCEPT, CONTENT_TYPE};
+use http::status::StatusCode;
+use http::{HeaderName, HeaderValue, Request};
+use hyper::{body::Bytes, Body};
+use hyper::{client::connect::HttpConnector, Client as HttpClient};
+use hyper_rustls::HttpsConnector;
+
+use aws_sigv4::http_request::{sign, SignableRequest, SigningParams, SigningSettings};
 
-use rusoto_core::{ByteStream, DispatchSignedRequest, HttpClient};
-use rusoto_credential::AwsCredentials;
-use rusoto_signature::region::Region;
-use rusoto_signature::signature::SignedRequest;
 use serde::de::Error as DeError;
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 
-use tokio::io::AsyncReadExt;
-
 mod error;
 
 pub use error::Error;
@@ -22,41 +25,57 @@ pub use error::Error;
 const DEFAULT_TIMEOUT: Duration = Duration::from_secs(5);
 const DEFAULT_POLL_TIMEOUT: Duration = Duration::from_secs(300);
 const SERVICE: &str = "k2v";
-const GARAGE_CAUSALITY_TOKEN: &str = "X-Garage-Causality-Token";
+const AMZ_CONTENT_SHA256: HeaderName = HeaderName::from_static("x-amz-content-sha256");
+const GARAGE_CAUSALITY_TOKEN: HeaderName = HeaderName::from_static("x-garage-causality-token");
+
+const STRICT_ENCODE_SET: AsciiSet = NON_ALPHANUMERIC
+	.remove(b'_')
+	.remove(b'-')
+	.remove(b'.')
+	.remove(b'~');
+const PATH_ENCODE_SET: AsciiSet = NON_ALPHANUMERIC
+	.remove(b'/')
+	.remove(b'_')
+	.remove(b'-')
+	.remove(b'.')
+	.remove(b'~');
+
+pub struct K2vClientConfig {
+	pub endpoint: String,
+	pub region: String,
+	pub aws_access_key_id: String,
+	pub aws_secret_access_key: String,
+	pub bucket: String,
+	pub user_agent: Option<String>,
+}
 
 /// Client used to query a K2V server.
 pub struct K2vClient {
-	region: Region,
-	bucket: String,
-	creds: AwsCredentials,
-	client: HttpClient,
+	config: K2vClientConfig,
+	user_agent: HeaderValue,
+	client: HttpClient<HttpsConnector<HttpConnector>>,
 }
 
 impl K2vClient {
 	/// Create a new K2V client.
-	pub fn new(
-		region: Region,
-		bucket: String,
-		creds: AwsCredentials,
-		user_agent: Option<String>,
-	) -> Result<Self, Error> {
+	pub fn new(config: K2vClientConfig) -> Result<Self, Error> {
 		let connector = hyper_rustls::HttpsConnectorBuilder::new()
 			.with_native_roots()
 			.https_or_http()
 			.enable_http1()
 			.enable_http2()
 			.build();
-		let mut client = HttpClient::from_connector(connector);
-		if let Some(ua) = user_agent {
-			client.local_agent_prepend(ua);
-		} else {
-			client.local_agent_prepend(format!("k2v/{}", env!("CARGO_PKG_VERSION")));
-		}
+		let client = HttpClient::builder().build(connector);
+		let user_agent: std::borrow::Cow<str> = match &config.user_agent {
+			Some(ua) => ua.into(),
+			None => format!("k2v/{}", env!("CARGO_PKG_VERSION")).into(),
+		};
+		let user_agent = HeaderValue::from_str(&user_agent)
+			.map_err(|_| Error::Message("invalid user agent".into()))?;
 		Ok(K2vClient {
-			region,
-			bucket,
-			creds,
+			config,
 			client,
+			user_agent,
 		})
 	}
 
@@ -66,15 +85,10 @@ impl K2vClient {
 		partition_key: &str,
 		sort_key: &str,
 	) -> Result<CausalValue, Error> {
-		let mut req = SignedRequest::new(
-			"GET",
-			SERVICE,
-			&self.region,
-			&format!("/{}/{}", self.bucket, partition_key),
-		);
-		req.add_param("sort_key", sort_key);
-		req.add_header(ACCEPT, "application/octet-stream, application/json");
-
+		let url = self.build_url(Some(partition_key), &[("sort_key", sort_key)]);
+		let req = Request::get(url)
+			.header(ACCEPT, "application/octet-stream, application/json")
+			.body(Bytes::new())?;
 		let res = self.dispatch(req, None).await?;
 
 		let causality = res
@@ -91,7 +105,7 @@ impl K2vClient {
 		match res.content_type.as_deref() {
 			Some("application/octet-stream") => Ok(CausalValue {
 				causality,
-				value: vec![K2vValue::Value(res.body)],
+				value: vec![K2vValue::Value(res.body.to_vec())],
 			}),
 			Some("application/json") => {
 				let value = serde_json::from_slice(&res.body)?;
@@ -115,16 +129,17 @@ impl K2vClient {
 	) -> Result<Option<CausalValue>, Error> {
 		let timeout = timeout.unwrap_or(DEFAULT_POLL_TIMEOUT);
 
-		let mut req = SignedRequest::new(
-			"GET",
-			SERVICE,
-			&self.region,
-			&format!("/{}/{}", self.bucket, partition_key),
+		let url = self.build_url(
+			Some(partition_key),
+			&[
+				("sort_key", sort_key),
+				("causality_token", &causality.0),
+				("timeout", &timeout.as_secs().to_string()),
+			],
 		);
-		req.add_param("sort_key", sort_key);
-		req.add_param("causality_token", &causality.0);
-		req.add_param("timeout", &timeout.as_secs().to_string());
-		req.add_header(ACCEPT, "application/octet-stream, application/json");
+		let req = Request::get(url)
+			.header(ACCEPT, "application/octet-stream, application/json")
+			.body(Bytes::new())?;
 
 		let res = self.dispatch(req, Some(timeout + DEFAULT_TIMEOUT)).await?;
 
@@ -146,7 +161,7 @@ impl K2vClient {
 		match res.content_type.as_deref() {
 			Some("application/octet-stream") => Ok(Some(CausalValue {
 				causality,
-				value: vec![K2vValue::Value(res.body)],
+				value: vec![K2vValue::Value(res.body.to_vec())],
 			})),
 			Some("application/json") => {
 				let value = serde_json::from_slice(&res.body)?;
@@ -176,16 +191,10 @@ impl K2vClient {
 			timeout: timeout.as_secs(),
 		};
 
-		let mut req = SignedRequest::new(
-			"POST",
-			SERVICE,
-			&self.region,
-			&format!("/{}/{}", self.bucket, partition_key),
-		);
-		req.add_param("poll_range", "");
-
+		let url = self.build_url(Some(partition_key), &[("poll_range", "")]);
 		let payload = serde_json::to_vec(&request)?;
-		req.set_payload(Some(payload));
+		let req = Request::post(url).body(Bytes::from(payload))?;
+
 		let res = self.dispatch(req, Some(timeout + DEFAULT_TIMEOUT)).await?;
 
 		if res.status == StatusCode::NOT_MODIFIED {
@@ -219,18 +228,12 @@ impl K2vClient {
 		value: Vec<u8>,
 		causality: Option<CausalityToken>,
 	) -> Result<(), Error> {
-		let mut req = SignedRequest::new(
-			"PUT",
-			SERVICE,
-			&self.region,
-			&format!("/{}/{}", self.bucket, partition_key),
-		);
-		req.add_param("sort_key", sort_key);
-		req.set_payload(Some(value));
-
+		let url = self.build_url(Some(partition_key), &[("sort_key", sort_key)]);
+		let mut req = Request::put(url);
 		if let Some(causality) = causality {
-			req.add_header(GARAGE_CAUSALITY_TOKEN, &causality.0);
+			req = req.header(GARAGE_CAUSALITY_TOKEN, &causality.0);
 		}
+		let req = req.body(Bytes::from(value))?;
 
 		self.dispatch(req, None).await?;
 		Ok(())
@@ -243,14 +246,10 @@ impl K2vClient {
 		sort_key: &str,
 		causality: CausalityToken,
 	) -> Result<(), Error> {
-		let mut req = SignedRequest::new(
-			"DELETE",
-			SERVICE,
-			&self.region,
-			&format!("/{}/{}", self.bucket, partition_key),
-		);
-		req.add_param("sort_key", sort_key);
-		req.add_header(GARAGE_CAUSALITY_TOKEN, &causality.0);
+		let url = self.build_url(Some(partition_key), &[("sort_key", sort_key)]);
+		let req = Request::delete(url)
+			.header(GARAGE_CAUSALITY_TOKEN, &causality.0)
+			.body(Bytes::new())?;
 
 		self.dispatch(req, None).await?;
 		Ok(())
@@ -262,9 +261,9 @@ impl K2vClient {
 		&self,
 		filter: Filter<'_>,
 	) -> Result<PaginatedRange<PartitionInfo>, Error> {
-		let mut req =
-			SignedRequest::new("GET", SERVICE, &self.region, &format!("/{}", self.bucket));
-		filter.insert_params(&mut req);
+		let params = filter.query_params();
+		let url = self.build_url(None, &params);
+		let req = Request::get(url).body(Bytes::new())?;
 
 		let res = self.dispatch(req, None).await?;
 
@@ -286,11 +285,10 @@ impl K2vClient {
 	/// *not* atomic: it is possible for some sub-operations to fails and others to success. In
 	/// that case, failure is reported.
 	pub async fn insert_batch(&self, operations: &[BatchInsertOp<'_>]) -> Result<(), Error> {
-		let mut req =
-			SignedRequest::new("POST", SERVICE, &self.region, &format!("/{}", self.bucket));
-
+		let url = self.build_url::<&str>(None, &[]);
 		let payload = serde_json::to_vec(operations)?;
-		req.set_payload(Some(payload));
+		let req = Request::post(url).body(payload.into())?;
+
 		self.dispatch(req, None).await?;
 		Ok(())
 	}
@@ -300,12 +298,10 @@ impl K2vClient {
 		&self,
 		operations: &[BatchReadOp<'_>],
 	) -> Result<Vec<PaginatedRange<CausalValue>>, Error> {
-		let mut req =
-			SignedRequest::new("POST", SERVICE, &self.region, &format!("/{}", self.bucket));
-		req.add_param("search", "");
-
+		let url = self.build_url(None, &[("search", "")]);
 		let payload = serde_json::to_vec(operations)?;
-		req.set_payload(Some(payload));
+		let req = Request::post(url).body(payload.into())?;
+
 		let res = self.dispatch(req, None).await?;
 
 		let resp: Vec<BatchReadResponse> = serde_json::from_slice(&res.body)?;
@@ -334,12 +330,10 @@ impl K2vClient {
 	/// Perform a DeleteBatch request, deleting mutiple values or range of values at once, without
 	/// providing causality information.
 	pub async fn delete_batch(&self, operations: &[BatchDeleteOp<'_>]) -> Result<Vec<u64>, Error> {
-		let mut req =
-			SignedRequest::new("POST", SERVICE, &self.region, &format!("/{}", self.bucket));
-		req.add_param("delete", "");
-
+		let url = self.build_url(None, &[("delete", "")]);
 		let payload = serde_json::to_vec(operations)?;
-		req.set_payload(Some(payload));
+		let req = Request::post(url).body(payload.into())?;
+
 		let res = self.dispatch(req, None).await?;
 
 		let resp: Vec<BatchDeleteResponse> = serde_json::from_slice(&res.body)?;
@@ -349,33 +343,67 @@ impl K2vClient {
 
 	async fn dispatch(
 		&self,
-		mut req: SignedRequest,
+		mut req: Request<Bytes>,
 		timeout: Option<Duration>,
 	) -> Result<Response, Error> {
-		req.sign(&self.creds);
-		let mut res = self
-			.client
-			.dispatch(req, Some(timeout.unwrap_or(DEFAULT_TIMEOUT)))
-			.await?;
+		req.headers_mut()
+			.insert(http::header::USER_AGENT, self.user_agent.clone());
 
-		let causality_token = res
-			.headers
-			.remove(GARAGE_CAUSALITY_TOKEN)
-			.map(CausalityToken);
-		let content_type = res.headers.remove(CONTENT_TYPE);
+		use sha2::{Digest, Sha256};
+		let mut hasher = Sha256::new();
+		hasher.update(req.body());
+		let hash = hex::encode(&hasher.finalize());
+		req.headers_mut()
+			.insert(AMZ_CONTENT_SHA256, hash.try_into().unwrap());
+
+		debug!("request uri: {:?}", req.uri());
+
+		// Sign request
+		let signing_settings = SigningSettings::default();
+		let signing_params = SigningParams::builder()
+			.access_key(&self.config.aws_access_key_id)
+			.secret_key(&self.config.aws_secret_access_key)
+			.region(&self.config.region)
+			.service_name(SERVICE)
+			.time(SystemTime::now())
+			.settings(signing_settings)
+			.build()?;
+		// Convert the HTTP request into a signable request
+		let signable_request = SignableRequest::from(&req);
+
+		// Sign and then apply the signature to the request
+		let (signing_instructions, _signature) =
+			sign(signable_request, &signing_params)?.into_parts();
+		signing_instructions.apply_to_request(&mut req);
+
+		// Send and wait for timeout
+		let res = tokio::select! {
+			res = self.client.request(req.map(Body::from)) => res?,
+			_ = tokio::time::sleep(timeout.unwrap_or(DEFAULT_TIMEOUT)) => {
+				return Err(Error::Timeout);
+			}
+		};
+
+		let (mut res, body) = res.into_parts();
+		let causality_token = match res.headers.remove(GARAGE_CAUSALITY_TOKEN) {
+			Some(v) => Some(CausalityToken(v.to_str()?.to_string())),
+			None => None,
+		};
+		let content_type = match res.headers.remove(CONTENT_TYPE) {
+			Some(v) => Some(v.to_str()?.to_string()),
+			None => None,
+		};
 
 		let body = match res.status {
-			StatusCode::OK => read_body(&mut res.headers, res.body).await?,
-			StatusCode::NO_CONTENT => Vec::new(),
+			StatusCode::OK => hyper::body::to_bytes(body).await?,
+			StatusCode::NO_CONTENT => Bytes::new(),
 			StatusCode::NOT_FOUND => return Err(Error::NotFound),
-			StatusCode::NOT_MODIFIED => Vec::new(),
+			StatusCode::NOT_MODIFIED => Bytes::new(),
 			s => {
-				let err_body = read_body(&mut res.headers, res.body)
-					.await
-					.unwrap_or_default();
+				let err_body = hyper::body::to_bytes(body).await.unwrap_or_default();
 				let err_body_str = std::str::from_utf8(&err_body)
 					.map(String::from)
-					.unwrap_or_else(|_| base64::encode(&err_body));
+					.unwrap_or_else(|_| BASE64_STANDARD.encode(&err_body));
 
 				if s.is_client_error() || s.is_server_error() {
 					error!("Error response {}: {}", res.status, err_body_str);
@@ -408,7 +436,7 @@ impl K2vClient {
 			"Response body: {}",
 			std::str::from_utf8(&body)
 				.map(String::from)
-				.unwrap_or_else(|_| base64::encode(&body))
+				.unwrap_or_else(|_| BASE64_STANDARD.encode(&body))
 		);
 
 		Ok(Response {
@@ -418,16 +446,26 @@ impl K2vClient {
 			content_type,
 		})
 	}
-}
 
-async fn read_body(headers: &mut HeaderMap<String>, body: ByteStream) -> Result<Vec<u8>, Error> {
-	let body_len = headers
-		.get(CONTENT_LENGTH)
-		.and_then(|h| h.parse().ok())
-		.unwrap_or(0);
-	let mut res = Vec::with_capacity(body_len);
-	body.into_async_read().read_to_end(&mut res).await?;
-	Ok(res)
+	fn build_url<V: AsRef<str>>(&self, partition_key: Option<&str>, query: &[(&str, V)]) -> String {
+		let mut url = format!("{}/{}", self.config.endpoint, self.config.bucket);
+		if let Some(pk) = partition_key {
+			url.push('/');
+			url.extend(utf8_percent_encode(pk, &PATH_ENCODE_SET));
+		}
+		if !query.is_empty() {
+			url.push('?');
+			for (i, (k, v)) in query.iter().enumerate() {
+				if i > 0 {
+					url.push('&');
+				}
+				url.extend(utf8_percent_encode(k, &STRICT_ENCODE_SET));
+				url.push('=');
+				url.extend(utf8_percent_encode(v.as_ref(), &STRICT_ENCODE_SET));
+			}
+		}
+		url
+	}
 }
 
 /// An opaque token used to convey causality between operations.
@@ -482,9 +520,11 @@ impl<'de> Deserialize<'de> for K2vValue {
 	{
 		let val: Option<&str> = Option::deserialize(d)?;
 		Ok(match val {
-			Some(s) => {
-				K2vValue::Value(base64::decode(s).map_err(|_| DeError::custom("invalid base64"))?)
-			}
+			Some(s) => K2vValue::Value(
+				BASE64_STANDARD
+					.decode(s)
+					.map_err(|_| DeError::custom("invalid base64"))?,
+			),
 			None => K2vValue::Tombstone,
 		})
 	}
@@ -498,7 +538,7 @@ impl Serialize for K2vValue {
 		match self {
 			K2vValue::Tombstone => serializer.serialize_none(),
 			K2vValue::Value(v) => {
-				let b64 = base64::encode(v);
+				let b64 = BASE64_STANDARD.encode(v);
 				serializer.serialize_str(&b64)
 			}
 		}
@@ -554,22 +594,24 @@ struct PollRangeResponse {
 }
 
 impl<'a> Filter<'a> {
-	fn insert_params(&self, req: &mut SignedRequest) {
-		if let Some(start) = &self.start {
-			req.add_param("start", start);
+	fn query_params(&self) -> Vec<(&'static str, std::borrow::Cow<str>)> {
+		let mut res = Vec::<(&'static str, std::borrow::Cow<str>)>::with_capacity(8);
+		if let Some(start) = self.start.as_deref() {
+			res.push(("start", start.into()));
 		}
-		if let Some(end) = &self.end {
-			req.add_param("end", end);
+		if let Some(end) = self.end.as_deref() {
+			res.push(("end", end.into()));
 		}
-		if let Some(prefix) = &self.prefix {
-			req.add_param("prefix", prefix);
+		if let Some(prefix) = self.prefix.as_deref() {
+			res.push(("prefix", prefix.into()));
 		}
 		if let Some(limit) = &self.limit {
-			req.add_param("limit", &limit.to_string());
+			res.push(("limit", limit.to_string().into()));
 		}
 		if self.reverse {
-			req.add_param("reverse", "true");
+			res.push(("reverse", "true".into()));
 		}
+		res
 	}
 }
 
@@ -691,7 +733,7 @@ struct ErrorResponse {
 }
 
 struct Response {
-	body: Vec<u8>,
+	body: Bytes,
 	status: StatusCode,
 	causality_token: Option<CausalityToken>,
 	content_type: Option<String>,

src/model/k2v/seen.rs

@@ -79,7 +79,7 @@ impl RangeSeenMarker {
 
 		let bytes = nonversioned_encode(&self)?;
 		let bytes = zstd::stream::encode_all(&mut &bytes[..], zstd::DEFAULT_COMPRESSION_LEVEL)?;
-		Ok(BASE64_STANDARD.encode(&bytes))
+		Ok(BASE64_STANDARD.encode(bytes))
 	}
 
 	/// Decode from msgpack+zstd+b64 representation, returns None on error.

src/rpc/consul.rs

@@ -8,16 +8,26 @@ use serde::{Deserialize, Serialize};
 
 use netapp::NodeID;
 
+use garage_util::config::ConsulDiscoveryAPI;
 use garage_util::config::ConsulDiscoveryConfig;
 
+const META_PREFIX: &str = "fr-deuxfleurs-garagehq";
+
 #[derive(Deserialize, Clone, Debug)]
 struct ConsulQueryEntry {
 	#[serde(rename = "Address")]
 	address: String,
 	#[serde(rename = "ServicePort")]
 	service_port: u16,
-	#[serde(rename = "NodeMeta")]
-	node_meta: HashMap<String, String>,
+	#[serde(rename = "ServiceMeta")]
+	meta: HashMap<String, String>,
+}
+
+#[derive(Serialize, Clone, Debug)]
+#[serde(untagged)]
+enum PublishRequest {
+	Catalog(ConsulPublishEntry),
+	Service(ConsulPublishService),
 }
 
 #[derive(Serialize, Clone, Debug)]
@@ -26,17 +36,31 @@ struct ConsulPublishEntry {
 	node: String,
 	#[serde(rename = "Address")]
 	address: IpAddr,
-	#[serde(rename = "NodeMeta")]
-	node_meta: HashMap<String, String>,
 	#[serde(rename = "Service")]
-	service: ConsulPublishService,
+	service: ConsulPublishCatalogService,
+}
+
+#[derive(Serialize, Clone, Debug)]
+struct ConsulPublishCatalogService {
+	#[serde(rename = "ID")]
+	service_id: String,
+	#[serde(rename = "Service")]
+	service_name: String,
+	#[serde(rename = "Tags")]
+	tags: Vec<String>,
+	#[serde(rename = "Meta")]
+	meta: HashMap<String, String>,
+	#[serde(rename = "Address")]
+	address: IpAddr,
+	#[serde(rename = "Port")]
+	port: u16,
 }
 
 #[derive(Serialize, Clone, Debug)]
 struct ConsulPublishService {
 	#[serde(rename = "ID")]
 	service_id: String,
-	#[serde(rename = "Service")]
+	#[serde(rename = "Name")]
 	service_name: String,
 	#[serde(rename = "Tags")]
 	tags: Vec<String>,
@@ -44,10 +68,11 @@ struct ConsulPublishService {
 	address: IpAddr,
 	#[serde(rename = "Port")]
 	port: u16,
+	#[serde(rename = "Meta")]
+	meta: HashMap<String, String>,
 }
 
 // ----
-
 pub struct ConsulDiscovery {
 	config: ConsulDiscoveryConfig,
 	client: reqwest::Client,
@@ -55,44 +80,48 @@ pub struct ConsulDiscovery {
 
 impl ConsulDiscovery {
 	pub fn new(config: ConsulDiscoveryConfig) -> Result<Self, ConsulError> {
-		let client = match (&config.client_cert, &config.client_key) {
-			(Some(client_cert), Some(client_key)) => {
-				let mut client_cert_buf = vec![];
-				File::open(client_cert)?.read_to_end(&mut client_cert_buf)?;
+		let mut builder: reqwest::ClientBuilder = reqwest::Client::builder().use_rustls_tls();
+		if config.tls_skip_verify {
+			builder = builder.danger_accept_invalid_certs(true);
+		} else if let Some(ca_cert) = &config.ca_cert {
+			let mut ca_cert_buf = vec![];
+			File::open(ca_cert)?.read_to_end(&mut ca_cert_buf)?;
+			builder =
+				builder.add_root_certificate(reqwest::Certificate::from_pem(&ca_cert_buf[..])?);
+		}
 
-				let mut client_key_buf = vec![];
-				File::open(client_key)?.read_to_end(&mut client_key_buf)?;
+		match &config.api {
+			ConsulDiscoveryAPI::Catalog => match (&config.client_cert, &config.client_key) {
+				(Some(client_cert), Some(client_key)) => {
+					let mut client_cert_buf = vec![];
+					File::open(client_cert)?.read_to_end(&mut client_cert_buf)?;
 
-				let identity = reqwest::Identity::from_pem(
-					&[&client_cert_buf[..], &client_key_buf[..]].concat()[..],
-				)?;
+					let mut client_key_buf = vec![];
+					File::open(client_key)?.read_to_end(&mut client_key_buf)?;
 
-				if config.tls_skip_verify {
-					reqwest::Client::builder()
-						.use_rustls_tls()
-						.danger_accept_invalid_certs(true)
-						.identity(identity)
-						.build()?
-				} else if let Some(ca_cert) = &config.ca_cert {
-					let mut ca_cert_buf = vec![];
-					File::open(ca_cert)?.read_to_end(&mut ca_cert_buf)?;
+					let identity = reqwest::Identity::from_pem(
+						&[&client_cert_buf[..], &client_key_buf[..]].concat()[..],
+					)?;
 
-					reqwest::Client::builder()
-						.use_rustls_tls()
-						.add_root_certificate(reqwest::Certificate::from_pem(&ca_cert_buf[..])?)
-						.identity(identity)
-						.build()?
-				} else {
-					reqwest::Client::builder()
-						.use_rustls_tls()
-						.identity(identity)
-						.build()?
+					builder = builder.identity(identity);
+				}
+				(None, None) => {}
+				_ => return Err(ConsulError::InvalidTLSConfig),
+			},
+			ConsulDiscoveryAPI::Agent => {
+				if let Some(token) = &config.token {
+					let mut headers = reqwest::header::HeaderMap::new();
+					headers.insert(
+						"x-consul-token",
+						reqwest::header::HeaderValue::from_str(&token)?,
+					);
+					builder = builder.default_headers(headers);
 				}
 			}
-			(None, None) => reqwest::Client::new(),
-			_ => return Err(ConsulError::InvalidTLSConfig),
 		};
 
+		let client: reqwest::Client = builder.build()?;
+
 		Ok(Self { client, config })
 	}
 
@@ -111,8 +140,8 @@ impl ConsulDiscovery {
 		for ent in entries {
 			let ip = ent.address.parse::<IpAddr>().ok();
 			let pubkey = ent
-				.node_meta
-				.get("pubkey")
+				.meta
+				.get(&format!("{}-pubkey", META_PREFIX))
 				.and_then(|k| hex::decode(k).ok())
 				.and_then(|k| NodeID::from_slice(&k[..]));
 			if let (Some(ip), Some(pubkey)) = (ip, pubkey) {
@@ -138,29 +167,49 @@ impl ConsulDiscovery {
 		rpc_public_addr: SocketAddr,
 	) -> Result<(), ConsulError> {
 		let node = format!("garage:{}", hex::encode(&node_id[..8]));
+		let tags = [
+			vec!["advertised-by-garage".into(), hostname.into()],
+			self.config.tags.clone(),
+		]
+		.concat();
 
-		let advertisement = ConsulPublishEntry {
-			node: node.clone(),
-			address: rpc_public_addr.ip(),
-			node_meta: [
-				("pubkey".to_string(), hex::encode(node_id)),
-				("hostname".to_string(), hostname.to_string()),
-			]
-			.iter()
-			.cloned()
-			.collect(),
-			service: ConsulPublishService {
+		let mut meta = self.config.meta.clone().unwrap_or_default();
+		meta.insert(format!("{}-pubkey", META_PREFIX), hex::encode(node_id));
+		meta.insert(format!("{}-hostname", META_PREFIX), hostname.to_string());
+
+		let url = format!(
+			"{}/v1/{}",
+			self.config.consul_http_addr,
+			(match &self.config.api {
+				ConsulDiscoveryAPI::Catalog => "catalog/register",
+				ConsulDiscoveryAPI::Agent => "agent/service/register?replace-existing-checks",
+			})
+		);
+
+		let req = self.client.put(&url);
+		let advertisement: PublishRequest = match &self.config.api {
+			ConsulDiscoveryAPI::Catalog => PublishRequest::Catalog(ConsulPublishEntry {
+				node: node.clone(),
+				address: rpc_public_addr.ip(),
+				service: ConsulPublishCatalogService {
+					service_id: node.clone(),
+					service_name: self.config.service_name.clone(),
+					tags,
+					meta: meta.clone(),
+					address: rpc_public_addr.ip(),
+					port: rpc_public_addr.port(),
+				},
+			}),
+			ConsulDiscoveryAPI::Agent => PublishRequest::Service(ConsulPublishService {
 				service_id: node.clone(),
 				service_name: self.config.service_name.clone(),
-				tags: vec!["advertised-by-garage".into(), hostname.into()],
+				tags,
+				meta,
 				address: rpc_public_addr.ip(),
 				port: rpc_public_addr.port(),
-			},
+			}),
 		};
-
-		let url = format!("{}/v1/catalog/register", self.config.consul_http_addr);
-
-		let http = self.client.put(&url).json(&advertisement).send().await?;
+		let http = req.json(&advertisement).send().await?;
 		http.error_for_status()?;
 
 		Ok(())
@@ -176,4 +225,6 @@ pub enum ConsulError {
 	Reqwest(#[error(source)] reqwest::Error),
 	#[error(display = "Invalid Consul TLS configuration")]
 	InvalidTLSConfig,
+	#[error(display = "Token error: {}", _0)]
+	Token(#[error(source)] reqwest::header::InvalidHeaderValue),
 }

src/table/data.rs

@@ -44,22 +44,22 @@ pub struct TableData<F: TableSchema, R: TableReplication> {
 impl<F: TableSchema, R: TableReplication> TableData<F, R> {
 	pub fn new(system: Arc<System>, instance: F, replication: R, db: &db::Db) -> Arc<Self> {
 		let store = db
-			.open_tree(&format!("{}:table", F::TABLE_NAME))
+			.open_tree(format!("{}:table", F::TABLE_NAME))
 			.expect("Unable to open DB tree");
 
 		let merkle_tree = db
-			.open_tree(&format!("{}:merkle_tree", F::TABLE_NAME))
+			.open_tree(format!("{}:merkle_tree", F::TABLE_NAME))
 			.expect("Unable to open DB Merkle tree tree");
 		let merkle_todo = db
-			.open_tree(&format!("{}:merkle_todo", F::TABLE_NAME))
+			.open_tree(format!("{}:merkle_todo", F::TABLE_NAME))
 			.expect("Unable to open DB Merkle TODO tree");
 
 		let insert_queue = db
-			.open_tree(&format!("{}:insert_queue", F::TABLE_NAME))
+			.open_tree(format!("{}:insert_queue", F::TABLE_NAME))
 			.expect("Unable to open insert queue DB tree");
 
 		let gc_todo = db
-			.open_tree(&format!("{}:gc_todo_v2", F::TABLE_NAME))
+			.open_tree(format!("{}:gc_todo_v2", F::TABLE_NAME))
 			.expect("Unable to open GC DB tree");
 		let gc_todo = CountedTree::new(gc_todo).expect("Cannot count gc_todo_v2");
 
@@ -90,7 +90,7 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
 
 	pub fn read_entry(&self, p: &F::P, s: &F::S) -> Result<Option<ByteBuf>, Error> {
 		let tree_key = self.tree_key(p, s);
-		if let Some(bytes) = self.store.get(&tree_key)? {
+		if let Some(bytes) = self.store.get(tree_key)? {
 			Ok(Some(ByteBuf::from(bytes.to_vec())))
 		} else {
 			Ok(None)
@@ -132,10 +132,10 @@ impl<F: TableSchema, R: TableReplication> TableData<F, R> {
 		}
 	}
 
-	fn read_range_aux<'a>(
+	fn read_range_aux(
 		&self,
 		partition_hash: Hash,
-		range: db::ValueIter<'a>,
+		range: db::ValueIter,
 		filter: &Option<F::Filter>,
 		limit: usize,
 	) -> Result<Vec<Arc<ByteBuf>>, Error> {

src/table/util.rs

@@ -34,8 +34,9 @@ impl DeletedFilter {
 	}
 }
 
-#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, Default, Serialize, Deserialize, PartialEq, Eq)]
 pub enum EnumerationOrder {
+	#[default]
 	Forward,
 	Reverse,
 }
@@ -49,9 +50,3 @@ impl EnumerationOrder {
 		}
 	}
 }
-
-impl Default for EnumerationOrder {
-	fn default() -> Self {
-		EnumerationOrder::Forward
-	}
-}

src/util/config.rs

@@ -142,8 +142,19 @@ pub struct AdminConfig {
 	pub trace_sink: Option<String>,
 }
 
+#[derive(Deserialize, Debug, Clone, Default)]
+#[serde(rename_all = "lowercase")]
+pub enum ConsulDiscoveryAPI {
+	#[default]
+	Catalog,
+	Agent,
+}
+
 #[derive(Deserialize, Debug, Clone)]
 pub struct ConsulDiscoveryConfig {
+	/// The consul api to use when registering: either `catalog` (the default) or `agent`
+	#[serde(default)]
+	pub api: ConsulDiscoveryAPI,
 	/// Consul http or https address to connect to to discover more peers
 	pub consul_http_addr: String,
 	/// Consul service name to use
@@ -154,9 +165,17 @@ pub struct ConsulDiscoveryConfig {
 	pub client_cert: Option<String>,
 	/// Client TLS key to use when connecting to Consul
 	pub client_key: Option<String>,
+	/// /// Token to use for connecting to consul
+	pub token: Option<String>,
 	/// Skip TLS hostname verification
 	#[serde(default)]
 	pub tls_skip_verify: bool,
+	/// Additional tags to add to the service
+	#[serde(default)]
+	pub tags: Vec<String>,
+	/// Additional service metadata to add
+	#[serde(default)]
+	pub meta: Option<std::collections::HashMap<String, String>>,
 }
 
 #[derive(Deserialize, Debug, Clone)]
@@ -230,7 +249,7 @@ fn secret_from_file(
 			#[cfg(unix)]
 			if std::env::var("GARAGE_ALLOW_WORLD_READABLE_SECRETS").as_deref() != Ok("true") {
 				use std::os::unix::fs::MetadataExt;
-				let metadata = std::fs::metadata(&file_path)?;
+				let metadata = std::fs::metadata(file_path)?;
 				if metadata.mode() & 0o077 != 0 {
 					return Err(format!("File {} is world-readable! (mode: 0{:o}, expected 0600)\nRefusing to start until this is fixed, or environment variable GARAGE_ALLOW_WORLD_READABLE_SECRETS is set to true.", file_path, metadata.mode()).into());
 				}
@@ -351,7 +370,7 @@ mod tests {
 			replication_mode = "3"
 			rpc_bind_addr = "[::]:3901"
 			rpc_secret_file = "{}"
-		
+
 			[s3_api]
 			s3_region = "garage"
 			api_bind_addr = "[::]:3900"
@@ -395,7 +414,7 @@ mod tests {
 			rpc_bind_addr = "[::]:3901"
 			rpc_secret= "dummy"
 			rpc_secret_file = "dummy"
-		
+
 			[s3_api]
 			s3_region = "garage"
 			api_bind_addr = "[::]:3900"

src/util/forwarded_headers.rs

@@ -13,7 +13,7 @@ pub fn handle_forwarded_for_headers(headers: &HeaderMap<HeaderValue>) -> Result<
 		.to_str()
 		.ok_or_message("Error parsing X-Forwarded-For header")?;
 
-	let client_ip = IpAddr::from_str(&forwarded_for_ip_str)
+	let client_ip = IpAddr::from_str(forwarded_for_ip_str)
 		.ok_or_message("Valid IP address not found in X-Forwarded-For header")?;
 
 	Ok(client_ip.to_string())

src/util/lib.rs

@@ -10,7 +10,6 @@ pub mod crdt;
 pub mod data;
 pub mod encode;
 pub mod error;
-pub mod formater;
 pub mod forwarded_headers;
 pub mod metrics;
 pub mod migrate;