feat: Expose component configs as info metrics

.github/release-please/config.json

@@ -7,7 +7,13 @@
   "packages": {
       "core": {
         "release-type": "simple",
-        "component": "core"
+        "component": "core",
+        "extra-files": [
+          {
+            "type": "generic",
+            "path": "bin/external_node/Cargo.toml"
+          }
+        ]
       },
       "prover": {
         "release-type": "simple",

Cargo.toml

@@ -120,6 +120,7 @@ regex = "1"
 reqwest = "0.11"
 rlp = "0.5"
 rocksdb = "0.21.0"
+rustc_version = "0.4.0"
 secp256k1 = "0.27.0"
 semver = "1"
 sentry = "0.31"
@@ -157,8 +158,8 @@ circuit_sequencer_api_1_4_1 = { package = "circuit_sequencer_api", git = "https:
 circuit_sequencer_api_1_4_2 = { package = "circuit_sequencer_api", git = "https://github.com/matter-labs/era-zkevm_test_harness.git", branch = "v1.4.2" }
 crypto_codegen = { package = "codegen", git = "https://github.com/matter-labs/solidity_plonk_verifier.git", branch = "dev" }
 kzg = { package = "kzg", git = "https://github.com/matter-labs/era-zkevm_test_harness.git", branch = "v1.4.2" }
-vise = { git = "https://github.com/matter-labs/vise.git", version = "0.1.0", rev = "1c9cc500e92cf9ea052b230e114a6f9cce4fb2c1" }
-vise-exporter = { git = "https://github.com/matter-labs/vise.git", version = "0.1.0", rev = "1c9cc500e92cf9ea052b230e114a6f9cce4fb2c1" }
+vise = { git = "https://github.com/matter-labs/vise.git", version = "0.1.0", rev = "a5bb80c9ce7168663114ee30e794d6dc32159ee4" }
+vise-exporter = { git = "https://github.com/matter-labs/vise.git", version = "0.1.0", rev = "a5bb80c9ce7168663114ee30e794d6dc32159ee4" }
 zk_evm = { git = "https://github.com/matter-labs/era-zk_evm.git", tag = "v1.3.3-rc2" }
 zk_evm_1_3_1 = { package = "zk_evm", git = "https://github.com/matter-labs/era-zk_evm.git", tag = "v1.3.1-rc2" }
 zk_evm_1_3_3 = { package = "zk_evm", git = "https://github.com/matter-labs/era-zk_evm.git", tag = "v1.3.3-rc2" }
@@ -218,3 +219,7 @@ zksync_crypto_primitives = { path = "core/lib/crypto_primitives" }
 zksync_node_framework = { path = "core/node/node_framework" }
 zksync_eth_watch = { path = "core/node/eth_watch" }
 zksync_shared_metrics = { path = "core/node/shared_metrics" }
+
+# FIXME: remove after consensus crates are updated
+[replace]
+"https://github.com/matter-labs/vise.git#vise:0.1.0" = { git = "https://github.com/matter-labs/vise.git", rev = "a5bb80c9ce7168663114ee30e794d6dc32159ee4" }

core/bin/external_node/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zksync_external_node"
-version = "0.1.0"
+version = "22.1.0" # x-release-please-version
 edition.workspace = true
 authors.workspace = true
 homepage.workspace = true
@@ -44,3 +44,6 @@ clap = { workspace = true, features = ["derive"] }
 serde_json.workspace = true
 semver.workspace = true
 tracing.workspace = true
+
+[build-dependencies]
+rustc_version.workspace = true

core/bin/external_node/build.rs

@@ -0,0 +1,46 @@
+//! Build script for the external node binary.
+
+use std::{
+    env, fs,
+    io::{self, Write},
+    path::Path,
+};
+
+use rustc_version::{Channel, LlvmVersion};
+
+fn print_rust_meta(out: &mut impl Write, meta: &rustc_version::VersionMeta) -> io::Result<()> {
+    writeln!(
+        out,
+        "pub(crate) const RUSTC_METADATA: RustcMetadata = RustcMetadata {{ \
+            version: {semver:?}, \
+            commit_hash: {commit_hash:?}, \
+            commit_date: {commit_date:?}, \
+            channel: {channel:?}, \
+            host: {host:?}, \
+            llvm: {llvm:?} \
+        }};",
+        semver = meta.semver.to_string(),
+        commit_hash = meta.commit_hash,
+        commit_date = meta.commit_date,
+        channel = match meta.channel {
+            Channel::Dev => "dev",
+            Channel::Beta => "beta",
+            Channel::Nightly => "nightly",
+            Channel::Stable => "stable",
+        },
+        host = meta.host,
+        llvm = meta.llvm_version.as_ref().map(LlvmVersion::to_string),
+    )
+}
+
+fn main() {
+    let out_dir = env::var("OUT_DIR").expect("`OUT_DIR` env var not set for build script");
+    let rustc_meta = rustc_version::version_meta().expect("Failed obtaining rustc metadata");
+
+    let metadata_module_path = Path::new(&out_dir).join("metadata_values.rs");
+    let metadata_module =
+        fs::File::create(metadata_module_path).expect("cannot create metadata module");
+    let mut metadata_module = io::BufWriter::new(metadata_module);
+
+    print_rust_meta(&mut metadata_module, &rustc_meta).expect("failed printing rustc metadata");
+}