Move GIT_VERSION injection later in build chain to reduce build times

2022-09-07 11:59:56 +02:00 · 2022-09-07 11:59:56 +02:00 · db61f41030
commit db61f41030
parent 6f02c36a89
13 changed files with 76 additions and 79 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@ -1099,6 +1099,7 @@ dependencies = [
 "garage_rpc",
 "garage_table",
 "garage_util",
+ "git-version",
 "hex",
 "netapp",
 "opentelemetry",
@ -1173,7 +1174,6 @@ dependencies = [
 "err-derive 0.3.1",
 "futures",
 "garage_db",
- "git-version",
 "hex",
 "http",
 "hyper",
--- a/Cargo.nix
+++ b/Cargo.nix
@ -1562,6 +1562,7 @@ in
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "garage_rpc" else null } = rustPackages."unknown".garage_rpc."0.8.0" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "garage_table" else null } = rustPackages."unknown".garage_table."0.8.0" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "garage_util" else null } = rustPackages."unknown".garage_util."0.8.0" { inherit profileName; };
+      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "git_version" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".git-version."0.3.5" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "hex" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "netapp" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.4.4" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_web" then "opentelemetry" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; };
@ -1656,7 +1657,6 @@ in
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "err_derive" else null } = buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".err-derive."0.3.1" { profileName = "__noProfile"; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "futures" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".futures."0.3.21" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "garage_db" else null } = rustPackages."unknown".garage_db."0.8.0" { inherit profileName; };
-      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "git_version" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".git-version."0.3.5" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "hex" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hex."0.4.3" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "http" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".http."0.2.6" { inherit profileName; };
      ${ if rootFeatures' ? "garage" || rootFeatures' ? "garage_api" || rootFeatures' ? "garage_block" || rootFeatures' ? "garage_model" || rootFeatures' ? "garage_rpc" || rootFeatures' ? "garage_table" || rootFeatures' ? "garage_util" || rootFeatures' ? "garage_web" || rootFeatures' ? "k2v-client" then "hyper" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".hyper."0.14.18" { inherit profileName; };
@ -4428,7 +4428,7 @@ in
    ];
    dependencies = {
      bitflags = rustPackages."registry+https://github.com/rust-lang/crates.io-index".bitflags."1.3.2" { inherit profileName; };
-      ${ if hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "android" then "libc" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.121" { inherit profileName; };
+      ${ if hostPlatform.parsed.kernel.name == "android" || hostPlatform.parsed.kernel.name == "linux" then "libc" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.121" { inherit profileName; };
      ${ if !(hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "android") then "parking_lot" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".parking_lot."0.11.2" { inherit profileName; };
      ${ if !(hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "android") then "parking_lot_core" else null } = rustPackages."registry+https://github.com/rust-lang/crates.io-index".parking_lot_core."0.8.5" { inherit profileName; };
      static_init_macro = buildRustPackages."registry+https://github.com/rust-lang/crates.io-index".static_init_macro."1.0.2" { profileName = "__noProfile"; };
--- a/nix/compile.nix
+++ b/nix/compile.nix
@ -146,15 +146,7 @@ let

    (pkgs.rustBuilder.rustLib.makeOverride {
      name = "garage_util";
-      overrideAttrs = drv:
-        (if git_version != null then {
-          /* [3] */ preConfigure = ''
-            ${drv.preConfigure or ""}
-            export GIT_VERSION="${git_version}"
-          '';
-        } else {})
-        // 
-        { /* [1] */ setBuildEnv = (buildEnv drv); };
+      overrideAttrs = drv: { /* [1] */ setBuildEnv = (buildEnv drv); };
    })

    (pkgs.rustBuilder.rustLib.makeOverride {
@ -169,7 +161,15 @@ let

    (pkgs.rustBuilder.rustLib.makeOverride {
      name = "garage_model";
-      overrideAttrs = drv: { /* [1] */ setBuildEnv = (buildEnv drv); };
+      overrideAttrs = drv:
+        (if git_version != null then {
+          /* [3] */ preConfigure = ''
+            ${drv.preConfigure or ""}
+            export GIT_VERSION="${git_version}"
+          '';
+        } else {})
+        //
+        { /* [1] */ setBuildEnv = (buildEnv drv); };
    })

    (pkgs.rustBuilder.rustLib.makeOverride {
--- a/src/api/admin/cluster.rs
+++ b/src/api/admin/cluster.rs
@ -18,7 +18,7 @@ use crate::helpers::{json_ok_response, parse_json_body};
 pub async fn handle_get_cluster_status(garage: &Arc<Garage>) -> Result<Response<Body>, Error> {
 	let res = GetClusterStatusResponse {
 		node: hex::encode(garage.system.id),
-		garage_version: garage.system.garage_version(),
+		garage_version: garage_model::version::garage_version(),
 		db_engine: garage.db.engine(),
 		known_nodes: garage
 			.system
--- a/src/garage/admin.rs
+++ b/src/garage/admin.rs
@ -740,7 +740,7 @@ impl AdminRpcHandler {
 		writeln!(
 			&mut ret,
 			"\nGarage version: {}",
-			self.garage.system.garage_version(),
+			garage_model::version::garage_version(),
 		)
 		.unwrap();
 		writeln!(&mut ret, "\nDatabase engine: {}", self.garage.db.engine()).unwrap();
--- a/src/garage/cli/structs.rs
+++ b/src/garage/cli/structs.rs
@ -1,65 +1,65 @@
 use serde::{Deserialize, Serialize};
-
-use garage_util::version;
 use structopt::StructOpt;

+use garage_model::version::garage_version;
+
 #[derive(StructOpt, Debug)]
 pub enum Command {
 	/// Run Garage server
-	#[structopt(name = "server", version = version::garage())]
+	#[structopt(name = "server", version = garage_version())]
 	Server,

 	/// Get network status
-	#[structopt(name = "status", version = version::garage())]
+	#[structopt(name = "status", version = garage_version())]
 	Status,

 	/// Operations on individual Garage nodes
-	#[structopt(name = "node", version = version::garage())]
+	#[structopt(name = "node", version = garage_version())]
 	Node(NodeOperation),

 	/// Operations on the assignation of node roles in the cluster layout
-	#[structopt(name = "layout", version = version::garage())]
+	#[structopt(name = "layout", version = garage_version())]
 	Layout(LayoutOperation),

 	/// Operations on buckets
-	#[structopt(name = "bucket", version = version::garage())]
+	#[structopt(name = "bucket", version = garage_version())]
 	Bucket(BucketOperation),

 	/// Operations on S3 access keys
-	#[structopt(name = "key", version = version::garage())]
+	#[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 = version::garage())]
+	#[structopt(name = "migrate", version = garage_version())]
 	Migrate(MigrateOpt),

 	/// Start repair of node data on remote node
-	#[structopt(name = "repair", version = version::garage())]
+	#[structopt(name = "repair", version = garage_version())]
 	Repair(RepairOpt),

 	/// Offline reparation of node data (these repairs must be run offline
 	/// directly on the server node)
-	#[structopt(name = "offline-repair", version = version::garage())]
+	#[structopt(name = "offline-repair", version = garage_version())]
 	OfflineRepair(OfflineRepairOpt),

 	/// Gather node statistics
-	#[structopt(name = "stats", version = version::garage())]
+	#[structopt(name = "stats", version = garage_version())]
 	Stats(StatsOpt),

 	/// Manage background workers
-	#[structopt(name = "worker", version = version::garage())]
+	#[structopt(name = "worker", version = garage_version())]
 	Worker(WorkerOpt),
 }

 #[derive(StructOpt, Debug)]
 pub enum NodeOperation {
 	/// Print identifier (public key) of this Garage node
-	#[structopt(name = "id", version = version::garage())]
+	#[structopt(name = "id", version = garage_version())]
 	NodeId(NodeIdOpt),

 	/// Connect to Garage node that is currently isolated from the system
-	#[structopt(name = "connect", version = version::garage())]
+	#[structopt(name = "connect", version = garage_version())]
 	Connect(ConnectNodeOpt),
 }

@ -80,23 +80,23 @@ pub struct ConnectNodeOpt {
 #[derive(StructOpt, Debug)]
 pub enum LayoutOperation {
 	/// Assign role to Garage node
-	#[structopt(name = "assign", version = version::garage())]
+	#[structopt(name = "assign", version = garage_version())]
 	Assign(AssignRoleOpt),

 	/// Remove role from Garage cluster node
-	#[structopt(name = "remove", version = version::garage())]
+	#[structopt(name = "remove", version = garage_version())]
 	Remove(RemoveRoleOpt),

 	/// Show roles currently assigned to nodes and changes staged for commit
-	#[structopt(name = "show", version = version::garage())]
+	#[structopt(name = "show", version = garage_version())]
 	Show,

 	/// Apply staged changes to cluster layout
-	#[structopt(name = "apply", version = version::garage())]
+	#[structopt(name = "apply", version = garage_version())]
 	Apply(ApplyLayoutOpt),

 	/// Revert staged changes to cluster layout
-	#[structopt(name = "revert", version = version::garage())]
+	#[structopt(name = "revert", version = garage_version())]
 	Revert(RevertLayoutOpt),
 }

@ -151,43 +151,43 @@ pub struct RevertLayoutOpt {
 #[derive(Serialize, Deserialize, StructOpt, Debug)]
 pub enum BucketOperation {
 	/// List buckets
-	#[structopt(name = "list", version = version::garage())]
+	#[structopt(name = "list", version = garage_version())]
 	List,

 	/// Get bucket info
-	#[structopt(name = "info", version = version::garage())]
+	#[structopt(name = "info", version = garage_version())]
 	Info(BucketOpt),

 	/// Create bucket
-	#[structopt(name = "create", version = version::garage())]
+	#[structopt(name = "create", version = garage_version())]
 	Create(BucketOpt),

 	/// Delete bucket
-	#[structopt(name = "delete", version = version::garage())]
+	#[structopt(name = "delete", version = garage_version())]
 	Delete(DeleteBucketOpt),

 	/// Alias bucket under new name
-	#[structopt(name = "alias", version = version::garage())]
+	#[structopt(name = "alias", version = garage_version())]
 	Alias(AliasBucketOpt),

 	/// Remove bucket alias
-	#[structopt(name = "unalias", version = version::garage())]
+	#[structopt(name = "unalias", version = garage_version())]
 	Unalias(UnaliasBucketOpt),

 	/// Allow key to read or write to bucket
-	#[structopt(name = "allow", version = version::garage())]
+	#[structopt(name = "allow", version = garage_version())]
 	Allow(PermBucketOpt),

 	/// Deny key from reading or writing to bucket
-	#[structopt(name = "deny", version = version::garage())]
+	#[structopt(name = "deny", version = garage_version())]
 	Deny(PermBucketOpt),

 	/// Expose as website or not
-	#[structopt(name = "website", version = version::garage())]
+	#[structopt(name = "website", version = garage_version())]
 	Website(WebsiteOpt),

 	/// Set the quotas for this bucket
-	#[structopt(name = "set-quotas", version = version::garage())]
+	#[structopt(name = "set-quotas", version = garage_version())]
 	SetQuotas(SetQuotasOpt),
 }

@ -293,35 +293,35 @@ pub struct SetQuotasOpt {
 #[derive(Serialize, Deserialize, StructOpt, Debug)]
 pub enum KeyOperation {
 	/// List keys
-	#[structopt(name = "list", version = version::garage())]
+	#[structopt(name = "list", version = garage_version())]
 	List,

 	/// Get key info
-	#[structopt(name = "info", version = version::garage())]
+	#[structopt(name = "info", version = garage_version())]
 	Info(KeyOpt),

 	/// Create new key
-	#[structopt(name = "new", version = version::garage())]
+	#[structopt(name = "new", version = garage_version())]
 	New(KeyNewOpt),

 	/// Rename key
-	#[structopt(name = "rename", version = version::garage())]
+	#[structopt(name = "rename", version = garage_version())]
 	Rename(KeyRenameOpt),

 	/// Delete key
-	#[structopt(name = "delete", version = version::garage())]
+	#[structopt(name = "delete", version = garage_version())]
 	Delete(KeyDeleteOpt),

 	/// Set permission flags for key
-	#[structopt(name = "allow", version = version::garage())]
+	#[structopt(name = "allow", version = garage_version())]
 	Allow(KeyPermOpt),

 	/// Unset permission flags for key
-	#[structopt(name = "deny", version = version::garage())]
+	#[structopt(name = "deny", version = garage_version())]
 	Deny(KeyPermOpt),

 	/// Import key
-	#[structopt(name = "import", version = version::garage())]
+	#[structopt(name = "import", version = garage_version())]
 	Import(KeyImportOpt),
 }

@ -393,7 +393,7 @@ pub struct MigrateOpt {
 #[derive(Serialize, Deserialize, StructOpt, Debug, Eq, PartialEq, Clone)]
 pub enum MigrateWhat {
 	/// Migrate buckets and permissions from v0.5.0
-	#[structopt(name = "buckets050", version = version::garage())]
+	#[structopt(name = "buckets050", version = garage_version())]
 	Buckets050,
 }

@ -414,19 +414,19 @@ pub struct RepairOpt {
 #[derive(Serialize, Deserialize, StructOpt, Debug, Eq, PartialEq, Clone)]
 pub enum RepairWhat {
 	/// Only do a full sync of metadata tables
-	#[structopt(name = "tables", version = version::garage())]
+	#[structopt(name = "tables", version = garage_version())]
 	Tables,
 	/// Only repair (resync/rebalance) the set of stored blocks
-	#[structopt(name = "blocks", version = version::garage())]
+	#[structopt(name = "blocks", version = garage_version())]
 	Blocks,
 	/// Only redo the propagation of object deletions to the version table (slow)
-	#[structopt(name = "versions", version = version::garage())]
+	#[structopt(name = "versions", version = garage_version())]
 	Versions,
 	/// Only redo the propagation of version deletions to the block ref table (extremely slow)
-	#[structopt(name = "block_refs", version = version::garage())]
+	#[structopt(name = "block_refs", version = garage_version())]
 	BlockRefs,
 	/// Verify integrity of all blocks on disc (extremely slow, i/o intensive)
-	#[structopt(name = "scrub", version = version::garage())]
+	#[structopt(name = "scrub", version = garage_version())]
 	Scrub {
 		#[structopt(subcommand)]
 		cmd: ScrubCmd,
@ -436,19 +436,19 @@ pub enum RepairWhat {
 #[derive(Serialize, Deserialize, StructOpt, Debug, Eq, PartialEq, Clone)]
 pub enum ScrubCmd {
 	/// Start scrub
-	#[structopt(name = "start", version = version::garage())]
+	#[structopt(name = "start", version = garage_version())]
 	Start,
 	/// Pause scrub (it will resume automatically after 24 hours)
-	#[structopt(name = "pause", version = version::garage())]
+	#[structopt(name = "pause", version = garage_version())]
 	Pause,
 	/// Resume paused scrub
-	#[structopt(name = "resume", version = version::garage())]
+	#[structopt(name = "resume", version = garage_version())]
 	Resume,
 	/// Cancel scrub in progress
-	#[structopt(name = "cancel", version = version::garage())]
+	#[structopt(name = "cancel", version = garage_version())]
 	Cancel,
 	/// Set tranquility level for in-progress and future scrubs
-	#[structopt(name = "set-tranquility", version = version::garage())]
+	#[structopt(name = "set-tranquility", version = garage_version())]
 	SetTranquility {
 		#[structopt()]
 		tranquility: u32,
@ -469,10 +469,10 @@ pub struct OfflineRepairOpt {
 pub enum OfflineRepairWhat {
 	/// Repair K2V item counters
 	#[cfg(feature = "k2v")]
-	#[structopt(name = "k2v_item_counters", version = version::garage())]
+	#[structopt(name = "k2v_item_counters", version = garage_version())]
 	K2VItemCounters,
 	/// Repair object counters
-	#[structopt(name = "object_counters", version = version::garage())]
+	#[structopt(name = "object_counters", version = garage_version())]
 	ObjectCounters,
 }

@ -496,7 +496,7 @@ pub struct WorkerOpt {
 #[derive(Serialize, Deserialize, StructOpt, Debug, Eq, PartialEq, Clone)]
 pub enum WorkerCmd {
 	/// List all workers on Garage node
-	#[structopt(name = "list", version = version::garage())]
+	#[structopt(name = "list", version = garage_version())]
 	List {
 		#[structopt(flatten)]
 		opt: WorkerListOpt,
--- a/src/garage/main.rs
+++ b/src/garage/main.rs
@ -23,15 +23,15 @@ use garage_util::error::*;

 use garage_rpc::system::*;
 use garage_rpc::*;
-use garage_util::version;

 use garage_model::helper::error::Error as HelperError;
+use garage_model::version::garage_version;

 use admin::*;
 use cli::*;

 #[derive(StructOpt, Debug)]
-#[structopt(name = "garage", version = version::garage(), about = "S3-compatible object store for self-hosted geo-distributed deployments")]
+#[structopt(name = "garage", version = garage_version(), about = "S3-compatible object store for self-hosted geo-distributed deployments")]
 struct Opt {
 	/// Host to connect to for admin operations, in the format:
 	/// <public-key>@<ip>:<port>
--- a/src/model/Cargo.toml
+++ b/src/model/Cargo.toml
@ -24,6 +24,7 @@ async-trait = "0.1.7"
 arc-swap = "1.0"
 blake2 = "0.9"
 err-derive = "0.3"
+git-version = "0.3.4"
 hex = "0.4"
 base64 = "0.13"
 tracing = "0.1.30"
--- a/src/model/lib.rs
+++ b/src/model/lib.rs
@ -19,3 +19,4 @@ pub mod s3;
 pub mod garage;
 pub mod helper;
 pub mod migrate;
+pub mod version;
--- a/src/model/version.rs
+++ b/src/model/version.rs
@ -1,4 +1,4 @@
-pub fn garage() -> &'static str {
+pub fn garage_version() -> &'static str {
 	option_env!("GIT_VERSION").unwrap_or(git_version::git_version!(
 		prefix = "git:",
 		cargo_prefix = "cargo:",
--- a/src/rpc/system.rs
+++ b/src/rpc/system.rs
@ -27,7 +27,6 @@ use garage_util::data::*;
 use garage_util::error::*;
 use garage_util::persister::Persister;
 use garage_util::time::*;
-use garage_util::version;

 use crate::consul::*;
 #[cfg(feature = "kubernetes-discovery")]
@ -40,8 +39,10 @@ const DISCOVERY_INTERVAL: Duration = Duration::from_secs(60);
 const STATUS_EXCHANGE_INTERVAL: Duration = Duration::from_secs(10);
 const PING_TIMEOUT: Duration = Duration::from_secs(2);

-/// Version tag used for version check upon Netapp connection
-pub const GARAGE_VERSION_TAG: u64 = 0x6761726167650007; // garage 0x0007
+/// Version tag used for version check upon Netapp connection.
+/// Cluster nodes with different version tags are deemed
+/// incompatible and will refuse to connect.
+pub const GARAGE_VERSION_TAG: u64 = 0x6761726167650008; // garage 0x0008

 /// RPC endpoint used for calls related to membership
 pub const SYSTEM_RPC_PATH: &str = "garage_rpc/membership.rs/SystemRpc";
@ -320,10 +321,6 @@ impl System {
 	// ---- Administrative operations (directly available and
 	//      also available through RPC) ----

-	pub fn garage_version(&self) -> &'static str {
-		version::garage()
-	}
-
 	pub fn get_known_nodes(&self) -> Vec<KnownNodeInfo> {
 		let node_status = self.node_status.read().unwrap();
 		let known_nodes = self
--- a/src/util/Cargo.toml
+++ b/src/util/Cargo.toml
@ -24,7 +24,6 @@ hex = "0.4"
 tracing = "0.1.30"
 rand = "0.8"
 sha2 = "0.9"
-git-version = "0.3.4"

 chrono = "0.4"
 rmp-serde = "0.15"
--- a/src/util/lib.rs
+++ b/src/util/lib.rs
@ -14,4 +14,3 @@ pub mod persister;
 pub mod time;
 pub mod token_bucket;
 pub mod tranquilizer;
-pub mod version;