config(aztec): Add opentelemetry endpoint option

Author: MartinNikov

modules/aztec/default.nix

@@ -18,6 +18,11 @@
           type = types.listOf types.str;
           description = "Ethereum hosts for the sequencer";
         };
+        metrics-collector-endpoint = mkOption {
+          type = types.str;
+          default = "";
+          description = "OpenTelemetry OTLP metrics endpoint";
+        };
         l1ConsensusHostUrls = mkOption {
           type = types.listOf types.str;
           description = "L1 consensus host URLs for the sequencer";
@@ -64,7 +69,8 @@
                 --sequencer.validatorPrivateKeys "$(cat ${cfg.validatorPrivateKeys})" \
                 --sequencer.coinbase ${cfg.coinbase} \
                 --p2p.p2pIp ${cfg.p2pIp} \
-                --p2p.p2pPort ${toString cfg.p2pPort}
+                --p2p.p2pPort ${toString cfg.p2pPort} \
+                --tel.metricsCollectorUrl ${cfg.metrics-collector-endpoint}
             '';
           };
         };