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78d82d9193
* Update to spec v0.9.0 * Update to v0.9.1 * Bump spec tags for v0.9.1 * Formatting, fix CI failures * Resolve accidental KeyPair merge conflict * Document new BeaconState functions * Add `validator` changes from `validator-to-rest` * Add initial (failing) REST api tests * Fix signature parsing * Add more tests * Refactor http router * Add working tests for publish beacon block * Add validator duties tests * Move account_manager under `lighthouse` binary * Unify logfile handling in `environment` crate. * Fix incorrect cache drops in `advance_caches` * Update fork choice for v0.9.1 * Add `deposit_contract` crate * Add progress on validator onboarding * Add unfinished attesation code * Update account manager CLI * Write eth1 data file as hex string * Integrate ValidatorDirectory with validator_client * Move ValidatorDirectory into validator_client * Clean up some FIXMEs * Add beacon_chain_sim * Fix a few docs/logs * Expand `beacon_chain_sim` * Fix spec for `beacon_chain_sim * More testing for api * Start work on attestation endpoint * Reject empty attestations * Allow attestations to genesis block * Add working tests for `rest_api` validator endpoint * Remove grpc from beacon_node * Start heavy refactor of validator client - Block production is working * Prune old validator client files * Start works on attestation service * Add attestation service to validator client * Use full pubkey for validator directories * Add validator duties post endpoint * Use par_iter for keypair generation * Use bulk duties request in validator client * Add version http endpoint tests * Add interop keys and startup wait * Ensure a prompt exit * Add duties pruning * Fix compile error in beacon node tests * Add github workflow * Modify rust.yaml * Modify gitlab actions * Add to CI file * Add sudo to CI npm install * Move cargo fmt to own job in tests * Fix cargo fmt in CI * Add rustup update before cargo fmt * Change name of CI job * Make other CI jobs require cargo fmt * Add CI badge * Remove gitlab and travis files * Add different http timeout for debug * Update docker file, use makefile in CI * Use make in the dockerfile, skip the test * Use the makefile for debug GI test * Update book * Tidy grpc and misc things * Apply discv5 fixes * Address other minor issues * Fix warnings * Attempt fix for addr parsing * Tidy validator config, CLIs * Tidy comments * Tidy signing, reduce ForkService duplication * Fail if skipping too many slots * Set default recent genesis time to 0 * Add custom http timeout to validator * Fix compile bug in node_test_rig * Remove old bootstrap flag from val CLI * Update docs * Tidy val client * Change val client log levels * Add comments, more validity checks * Fix compile error, add comments * Undo changes to eth2-libp2p/src * Reduce duplication of keypair generation * Add more logging for validator duties * Fix beacon_chain_sim, nitpicks * Fix compile error, minor nits * Address Michael's comments
67 lines
2.5 KiB
Rust
67 lines
2.5 KiB
Rust
use crate::response_builder::ResponseBuilder;
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use crate::{ApiError, ApiResult};
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use beacon_chain::{BeaconChain, BeaconChainTypes};
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use hyper::{Body, Request};
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use lighthouse_metrics::{Encoder, TextEncoder};
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use std::path::PathBuf;
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use std::sync::Arc;
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pub use lighthouse_metrics::*;
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lazy_static! {
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pub static ref REQUEST_RESPONSE_TIME: Result<Histogram> = try_create_histogram(
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"http_server_request_duration_seconds",
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"Time taken to build a response to a HTTP request"
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);
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pub static ref REQUEST_COUNT: Result<IntCounter> = try_create_int_counter(
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"http_server_request_total",
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"Total count of HTTP requests received"
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);
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pub static ref SUCCESS_COUNT: Result<IntCounter> = try_create_int_counter(
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"http_server_success_total",
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"Total count of HTTP 200 responses sent"
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);
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}
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/// Returns the full set of Prometheus metrics for the Beacon Node application.
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///
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/// # Note
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///
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/// This is a HTTP handler method.
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pub fn get_prometheus<T: BeaconChainTypes>(
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req: Request<Body>,
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beacon_chain: Arc<BeaconChain<T>>,
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db_path: PathBuf,
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) -> ApiResult {
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let mut buffer = vec![];
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let encoder = TextEncoder::new();
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// There are two categories of metrics:
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//
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// - Dynamically updated: things like histograms and event counters that are updated on the
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// fly.
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// - Statically updated: things which are only updated at the time of the scrape (used where we
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// can avoid cluttering up code with metrics calls).
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//
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// The `lighthouse_metrics` crate has a `DEFAULT_REGISTRY` global singleton (via `lazy_static`)
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// which keeps the state of all the metrics. Dynamically updated things will already be
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// up-to-date in the registry (because they update themselves) however statically updated
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// things need to be "scraped".
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//
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// We proceed by, first updating all the static metrics using `scrape_for_metrics(..)`. Then,
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// using `lighthouse_metrics::gather(..)` to collect the global `DEFAULT_REGISTRY` metrics into
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// a string that can be returned via HTTP.
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slot_clock::scrape_for_metrics::<T::EthSpec, T::SlotClock>(&beacon_chain.slot_clock);
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store::scrape_for_metrics(&db_path);
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beacon_chain::scrape_for_metrics(&beacon_chain);
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encoder
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.encode(&lighthouse_metrics::gather(), &mut buffer)
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.unwrap();
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String::from_utf8(buffer)
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.map(|string| ResponseBuilder::new(&req)?.body_text(string))
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.map_err(|e| ApiError::ServerError(format!("Failed to encode prometheus info: {:?}", e)))?
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}
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