imp: add cardano-tracer default config

Author: johnalotoski

cardano-lib/default.nix

@@ -85,6 +85,7 @@ let
   defaultLogConfig = import ./generic-log-config.nix;
   defaultLogConfigLegacy = import ./generic-log-config-legacy.nix;
   defaultExplorerLogConfig = import ./explorer-log-config.nix;
+  defaultTracerConfig = import ./generic-tracer-config.nix;
 
   mkExplorerConfig = name: nodeConfig: filterAttrs (k: v: v != null) {
     NetworkName = name;
@@ -139,6 +140,7 @@ let
     nodeConfigLegacy = defaultLogConfigLegacy // env.networkConfig // (env.extraTracerConfigLegacy or {});
     nodeConfigBp = mergeTraceOpts (defaultLogConfig // env.networkConfigBp) (env.extraTracerConfig or {});
     nodeConfigBpLegacy = defaultLogConfigLegacy // env.networkConfigBp // (env.extraTracerConfigLegacy or {});
+    tracerConfig = defaultTracerConfig // {inherit (fromJSON (readFile ./${name}/shelley-genesis.json)) networkMagic;};
     consensusProtocol = env.networkConfig.Protocol;
     submitApiConfig = mkSubmitApiConfig name environments.${name}.nodeConfig;
     dbSyncConfig =
@@ -336,6 +338,7 @@ let
                           <a class="button is-primary" href="${env}-submit-api-config.json">submit-api config</a>
                           <a class="button is-primary" href="${env}-mithril-signer-config.json">mithril-signer config</a>
                           <a class="button is-primary" href="rest-config.json">rest config</a>
+                          <a class="button is-primary" href="${env}-tracer-config.json">tracer config</a>
                         </div>
                       </td>
                     </tr>
@@ -398,6 +401,7 @@ let
           ${jq}/bin/jq . < ${toFile "${env}-db-sync-config.json" (toJSON (value.dbSyncConfig // { NodeConfigFile = "${env}-config.json"; }))} > $out/${env}-db-sync-config.json
           ${jq}/bin/jq . < ${toFile "${env}-submit-api-config.json" (toJSON value.submitApiConfig)} > $out/${env}-submit-api-config.json
           ${jq}/bin/jq . < ${toFile "${env}-mithril-signer-config.json" (toJSON value.mithrilSignerConfig)} > $out/${env}-mithril-signer-config.json
+          ${jq}/bin/jq . < ${toFile "${env}-tracer-config.json" (toJSON value.tracerConfig)} > $out/${env}-tracer-config.json
           ${jq}/bin/jq . < ${mkTopology value} > $out/${env}-topology.json
           ${jq}/bin/jq . < ${./${env}/peer-snapshot.json} > $out/${env}-peer-snapshot.json
           ${optionalString (value.nodeConfig ? CheckpointsFile) ''
@@ -416,6 +420,7 @@ in {
     defaultExplorerLogConfig
     defaultLogConfig
     defaultLogConfigLegacy
+    defaultTracerConfig
     eachEnv
     forEnvironments
     forEnvironmentsCustom

cardano-lib/generic-tracer-config.nix

@@ -0,0 +1,53 @@
+{
+  # Cardano-tracer will use default values where parameters are set to null.
+  WarnRTViewMissing = null;
+  ekgRequestFreq = null;
+  ekgRequestFull = null;
+
+  # Whether to enable an EKG http interface for process monitoring.
+  hasEKG = {
+    epHost = "127.0.0.1";
+    epPort = 12788;
+  };
+
+  # Whether to enable a prometheus export of metrics.
+  hasPrometheus = {
+    epHost = "127.0.0.1";
+    epPort = 12808;
+  };
+
+  loRequestNum = null;
+
+  # Configure default logging
+  logging = [
+    {
+      logFormat = "ForHuman";
+      logMode = "FileMode";
+      logRoot = "/tmp/cardano-tracer";
+    }
+  ];
+
+  metricsHelp = null;
+  metricsNoSuffix = null;
+
+  # Configure default cardano-tracer operational mode
+  network = {
+    contents = "/tmp/cardano-tracer.socket";
+    tag = "AcceptAt";
+  };
+
+  # The network magic will need to be set per environment
+  # networkMagic = ... ;
+
+  resourceFreq = null;
+
+  # Configure default rotation
+  rotation = {
+    rpFrequencySecs = 60;
+    rpKeepFilesNum = 14;
+    rpLogLimitBytes = 10000000;
+    rpMaxAgeHours = 24;
+  };
+
+  verbosity = null;
+}