gauge metrics to inspect flag settings

Author: akundaz

crates/op-rbuilder/src/launcher.rs

@@ -3,7 +3,7 @@ use eyre::Result;
 use crate::{
     args::*,
     builders::{BuilderConfig, BuilderMode, FlashblocksBuilder, PayloadBuilder, StandardBuilder},
-    metrics::VERSION,
+    metrics::{FlagMetrics, VERSION},
     monitor_tx_pool::monitor_tx_pool,
     primitives::reth::engine_api_builder::OpEngineApiBuilder,
     revert_protection::{EthApiExtServer, EthApiOverrideServer, RevertProtectionExt},
@@ -98,6 +98,8 @@ where
         let builder_config = BuilderConfig::<B::Config>::try_from(builder_args.clone())
             .expect("Failed to convert rollup args to builder config");
 
+        FlagMetrics::record_flags(&builder_args);
+
         let da_config = builder_config.da_config.clone();
         let rollup_args = builder_args.rollup_args;
         let op_node = OpNode::new(rollup_args.clone());

crates/op-rbuilder/src/metrics.rs

@@ -3,6 +3,8 @@ use reth_metrics::{
     Metrics,
 };
 
+use crate::args::OpRbuilderArgs;
+
 /// The latest version from Cargo.toml.
 pub const CARGO_PKG_VERSION: &str = env!("CARGO_PKG_VERSION");
 
@@ -96,6 +98,35 @@ pub struct OpRBuilderMetrics {
     pub bundle_receive_duration: Histogram,
 }
 
+/// Gauges to check whether particular flags are enabled or not
+#[derive(Metrics, Clone)]
+#[metrics(scope = "op_rbuilder_flags")]
+pub struct FlagMetrics {
+    /// Whether flashblocks.enabled is set or not
+    pub flashblocks_enabled: Gauge,
+    /// Whether flashtestations.enabled is set or not
+    pub flashtestations_enabled: Gauge,
+    /// Whether builder.enable-revert-protection is set or not
+    pub enable_revert_protection: Gauge,
+}
+
+impl FlagMetrics {
+    /// Set gauge metrics for some flags so we can inspect which ones are set
+    /// and which ones aren't.
+    pub fn record_flags(builder_args: &OpRbuilderArgs) {
+        let flag_metrics = Self::default();
+        flag_metrics
+            .flashblocks_enabled
+            .set(builder_args.flashblocks.enabled as i32);
+        flag_metrics
+            .flashtestations_enabled
+            .set(builder_args.flashtestations.flashtestations_enabled as i32);
+        flag_metrics
+            .enable_revert_protection
+            .set(builder_args.enable_revert_protection as i32);
+    }
+}
+
 /// Contains version information for the application.
 #[derive(Debug, Clone)]
 pub struct VersionInfo {