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Add best_slot metric

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This commit is contained in:
Paul Hauner 2019-05-29 13:55:17 +10:00
parent 6d27c43666
commit f89cb65360
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1 changed files with 10 additions and 0 deletions
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10
beacon_node/http_server/src/metrics.rs
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@ -30,6 +30,7 @@ pub fn build_handler<T: BeaconChainTypes + 'static>(
pub struct LocalMetrics {
present_slot: IntGauge,
best_slot: IntGauge,
validator_count: IntGauge,
}
@ -40,6 +41,10 @@ impl LocalMetrics {
let opts = Opts::new("present_slot", "slot_at_time_of_scrape");
IntGauge::with_opts(opts)?
},
best_slot: {
let opts = Opts::new("present_slot", "slot_of_block_at_chain_head");
IntGauge::with_opts(opts)?
},
validator_count: {
let opts = Opts::new("validator_count", "number_of_validators");
IntGauge::with_opts(opts)?
@ -49,6 +54,8 @@ impl LocalMetrics {
pub fn register(&self, registry: &Registry) -> Result<(), prometheus::Error> {
registry.register(Box::new(self.present_slot.clone()))?;
registry.register(Box::new(self.best_slot.clone()))?;
registry.register(Box::new(self.validator_count.clone()))?;
Ok(())
}
@ -77,6 +84,9 @@ fn handle_metrics<T: BeaconChainTypes + 'static>(req: &mut Request) -> IronResul
.unwrap_or_else(|| Slot::new(0));
local_metrics.present_slot.set(present_slot.as_u64() as i64);
let best_slot = beacon_chain.head().beacon_block.slot;
local_metrics.best_slot.set(best_slot.as_u64() as i64);
let validator_count = beacon_chain.head().beacon_state.validator_registry.len();
local_metrics.validator_count.set(validator_count as i64);