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Prometheus metrics for RPC calls (#7088)

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* WS and HTTP middlewares added

* Prometheus endpoint added

* Counters renamed

* Proper style for inc

* Metrics initialization re-written

* Rework to handler middleware

* Introduce transport prefix for metrics

* String shortened

* Commented code removed, new line inserted

* One more string shortened

* Wasm build fixed

* Wasm build fixed once again

* Rework to shared metrics

* Added collectors label

* Tilde removed from cargo

* Switch to owned metrics in parameters
This commit is contained in:
Anton Gavrilov
2020-09-18 15:15:19 +02:00
committed by GitHub
parent 22ea00a169
commit 2c5a82f8f1
6 changed files with 157 additions and 29 deletions
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substrate/client/service/src/builder.rs
+27 -15
View File
@@ -545,14 +545,22 @@ pub fn spawn_tasks<TBl, TBackend, TExPool, TRpc, TCl>(
);
// RPC
let gen_handler = |deny_unsafe: sc_rpc::DenyUnsafe| gen_handler(
deny_unsafe, &config, task_manager.spawn_handle(), client.clone(), transaction_pool.clone(),
keystore.clone(), on_demand.clone(), remote_blockchain.clone(), &*rpc_extensions_builder,
let gen_handler = |
deny_unsafe: sc_rpc::DenyUnsafe,
rpc_middleware: sc_rpc_server::RpcMiddleware
| gen_handler(
deny_unsafe, rpc_middleware, &config, task_manager.spawn_handle(),
client.clone(), transaction_pool.clone(), keystore.clone(),
on_demand.clone(), remote_blockchain.clone(), &*rpc_extensions_builder,
backend.offchain_storage(), system_rpc_tx.clone()
);
let rpc = start_rpc_servers(&config, gen_handler)?;
let rpc_metrics = sc_rpc_server::RpcMetrics::new(config.prometheus_registry()).ok();
let rpc = start_rpc_servers(&config, gen_handler, rpc_metrics.as_ref())?;
// This is used internally, so don't restrict access to unsafe RPC
let rpc_handlers = RpcHandlers(Arc::new(gen_handler(sc_rpc::DenyUnsafe::No).into()));
let rpc_handlers = RpcHandlers(Arc::new(gen_handler(
sc_rpc::DenyUnsafe::No,
sc_rpc_server::RpcMiddleware::new(rpc_metrics.as_ref().cloned(), "inbrowser")
).into()));
// Telemetry
let telemetry = config.telemetry_endpoints.clone().and_then(|endpoints| {
@@ -660,6 +668,7 @@ fn build_telemetry<TBl: BlockT>(
fn gen_handler<TBl, TBackend, TExPool, TRpc, TCl>(
deny_unsafe: sc_rpc::DenyUnsafe,
rpc_middleware: sc_rpc_server::RpcMiddleware,
config: &Configuration,
spawn_handle: SpawnTaskHandle,
client: Arc<TCl>,
@@ -670,7 +679,7 @@ fn gen_handler<TBl, TBackend, TExPool, TRpc, TCl>(
rpc_extensions_builder: &(dyn RpcExtensionBuilder<Output = TRpc> + Send),
offchain_storage: Option<<TBackend as sc_client_api::backend::Backend<TBl>>::OffchainStorage>,
system_rpc_tx: TracingUnboundedSender<sc_rpc::system::Request<TBl>>
) -> jsonrpc_pubsub::PubSubHandler<sc_rpc::Metadata>
) -> sc_rpc_server::RpcHandler<sc_rpc::Metadata>
where
TBl: BlockT,
TCl: ProvideRuntimeApi<TBl> + BlockchainEvents<TBl> + HeaderBackend<TBl> +
@@ -735,15 +744,18 @@ fn gen_handler<TBl, TBackend, TExPool, TRpc, TCl>(
offchain::OffchainApi::to_delegate(offchain)
});
sc_rpc_server::rpc_handler((
state::StateApi::to_delegate(state),
state::ChildStateApi::to_delegate(child_state),
chain::ChainApi::to_delegate(chain),
maybe_offchain_rpc,
author::AuthorApi::to_delegate(author),
system::SystemApi::to_delegate(system),
rpc_extensions_builder.build(deny_unsafe, task_executor),
))
sc_rpc_server::rpc_handler(
(
state::StateApi::to_delegate(state),
state::ChildStateApi::to_delegate(child_state),
chain::ChainApi::to_delegate(chain),
maybe_offchain_rpc,
author::AuthorApi::to_delegate(author),
system::SystemApi::to_delegate(system),
rpc_extensions_builder.build(deny_unsafe, task_executor),
),
rpc_middleware
)
}
/// Parameters to pass into `build_network`.