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fix(prometheus): adds prefix to each metric and fixes default prom port #68

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merged 3 commits into from
Jan 15, 2025
Merged

fix(prometheus): adds prefix to each metric and fixes default prom port #68

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7825bb5
fix(prometheus): adds prefix to each metric and fixes default prom port
CharlieC3 Jan 13, 2025
280fcc3
chore(test): update test
CharlieC3 Jan 14, 2025
d24b362
chore(test): fix test and format
CharlieC3 Jan 15, 2025
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10 changes: 6 additions & 4 deletions src/api/routes/prom-metrics.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,10 @@ export const SignerPromMetricsRoutes: FastifyPluginAsync<

const signerRegistry = new Registry();

const metricsPrefix = 'signer_api_';

new Gauge({
name: 'time_since_last_pending_block_proposal_ms',
name: metricsPrefix + 'time_since_last_pending_block_proposal_ms',
help: 'Time in milliseconds since the oldest pending block proposal',
registers: [signerRegistry],
async collect() {
Expand All @@ -30,7 +32,7 @@ export const SignerPromMetricsRoutes: FastifyPluginAsync<
});

new Gauge({
name: 'avg_block_push_time_ms',
name: metricsPrefix + 'avg_block_push_time_ms',
help: 'Average time (in milliseconds) taken for block proposals to be accepted and pushed over different block periods',
labelNames: ['period'] as const,
registers: [signerRegistry],
Expand All @@ -46,7 +48,7 @@ export const SignerPromMetricsRoutes: FastifyPluginAsync<
});

new Gauge({
name: 'proposal_acceptance_rate',
name: metricsPrefix + 'proposal_acceptance_rate',
help: 'The acceptance rate of block proposals for different block ranges (as a float between 0 and 1).',
labelNames: ['period'],
registers: [signerRegistry],
Expand All @@ -62,7 +64,7 @@ export const SignerPromMetricsRoutes: FastifyPluginAsync<
});

new Gauge({
name: 'signer_state_count',
name: metricsPrefix + 'signer_state_count',
help: 'Count of signer states over different block periods',
labelNames: ['signer', 'period', 'state'] as const,
registers: [signerRegistry],
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2 changes: 1 addition & 1 deletion src/env.ts
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Expand Up @@ -26,7 +26,7 @@ const schema = Type.Object({
/** Hostname that will be reported to the chainhook node so it can call us back with events */
EXTERNAL_HOSTNAME: Type.String({ default: '127.0.0.1' }),
/** Port in which to serve prometheus metrics */
PROMETHEUS_PORT: Type.Number({ default: 9154 }),
PROMETHEUS_PORT: Type.Number({ default: 9153 }),
/** Port in which to serve the profiler */
PROFILER_PORT: Type.Number({ default: 9119 }),

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