Storage monitor added to polkadot node (#6619)

* Storage monitor added to polkadot node

Related to: https://github.com/paritytech/substrate/issues/12399

* Cargo.lock updated

* Cargo.lock update

* Revert "Cargo.lock update"

This reverts commit 04dfe5fe65ea7d1476d4632ad647f2c1c669ab1a.

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <info@kchr.de>

* missing_docs fixes

* Cargo.lock updated

---------

Co-authored-by: parity-processbot <>
Co-authored-by: Bastian Köcher <info@kchr.de>

polkadot/Cargo.lock

@@ -6516,6 +6516,7 @@ dependencies = [
  "sc-cli",
  "sc-executor",
  "sc-service",
+ "sc-storage-monitor",
  "sc-sysinfo",
  "sc-tracing",
  "sp-core",

polkadot/cli/Cargo.toml

@@ -36,6 +36,7 @@ polkadot-node-metrics = { path = "../node/metrics" }
 sc-tracing = { git = "https://github.com/paritytech/substrate", branch = "master", optional = true }
 sc-sysinfo = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-executor = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sc-storage-monitor = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [build-dependencies]
 substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }

polkadot/cli/src/cli.rs

@@ -86,7 +86,6 @@ pub struct ValidationWorkerCommand {
 #[derive(Debug, Parser)]
 #[group(skip)]
 pub struct RunCmd {
-	#[allow(missing_docs)]
 	#[clap(flatten)]
 	pub base: sc_cli::RunCmd,
 
@@ -151,6 +150,10 @@ pub struct RunCmd {
 pub struct Cli {
 	#[command(subcommand)]
 	pub subcommand: Option<Subcommand>,
+
 	#[clap(flatten)]
 	pub run: RunCmd,
+
+	#[clap(flatten)]
+	pub storage_monitor: sc_storage_monitor::StorageMonitorParams,
 }

polkadot/cli/src/command.rs

@@ -335,7 +335,8 @@ where
 			}))
 			.flatten();
 
-		service::build_full(
+		let database_source = config.database.clone();
+		let task_manager = service::build_full(
 			config,
 			service::IsCollator::No,
 			grandpa_pause,
@@ -348,8 +349,15 @@ where
 			maybe_malus_finality_delay,
 			hwbench,
 		)
-		.map(|full| full.task_manager)
-		.map_err(Into::into)
+		.map(|full| full.task_manager)?;
+
+		sc_storage_monitor::StorageMonitorService::try_spawn(
+			cli.storage_monitor,
+			database_source,
+			&task_manager.spawn_essential_handle(),
+		)?;
+
+		Ok(task_manager)
 	})
 }
 

polkadot/cli/src/error.rs

@@ -48,6 +48,9 @@ pub enum Error {
 	#[error("Command is not implemented")]
 	CommandNotImplemented,
 
+	#[error(transparent)]
+	Storage(#[from] sc_storage_monitor::Error),
+
 	#[error("Other: {0}")]
 	Other(String),
 }