Fix #115: Add TraceID/SpanID to Monitoring for Enhanced Observability (…

…#116) * Fix #115: Add TraceID/SpanID to Monitoring for Enhanced Observability
wultra · Feb 6, 2024 · 4a6e904 · 4a6e904
1 parent cbb4388
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diff --git a/docs/Configuration-Properties.md b/docs/Configuration-Properties.md
@@ -20,3 +20,9 @@ The User Data Store uses the following public configuration properties:
 | Property                                   | Default   | Note                                                                                                                                                                                                                         |
 |--------------------------------------------|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `user-data-store.db.master.encryption.key` | `_empty_` | Master DB encryption key (AES-256, key length of 32 bytes, base64 encoded) to derive server private keys for the encryption of sensitive data in the database. An empty value means no encryption, which is not recommended. |  
+
+# Monitoring and Observability
+
+| Property                                  | Default | Note                                                                                                                                                                        |
+|-------------------------------------------|---------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `management.tracing.sampling.probability` | `1.0`   | Specifies the proportion of requests that are sampled for tracing. A value of 1.0 means that 100% of requests are sampled, while a value of 0 effectively disables tracing. |
diff --git a/pom.xml b/pom.xml
@@ -127,6 +127,25 @@
             <version>${springdoc-openapi-starter-webmvc-ui.version}</version>
         </dependency>
 
+        <!-- Monitoring -->
+        <dependency>
+            <groupId>io.projectreactor</groupId>
+            <artifactId>reactor-core-micrometer</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>micrometer-tracing-bridge-otel</artifactId>
+        </dependency>
+
+        <!-- For run at Apple M1 architecture -->
+        <dependency>
+            <groupId>io.netty</groupId>
+            <artifactId>netty-resolver-dns-native-macos</artifactId>
+            <scope>runtime</scope>
+            <classifier>osx-aarch_64</classifier>
+        </dependency>
+
         <!-- Test dependencies -->
         <dependency>
             <groupId>org.springframework.boot</groupId>

diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
@@ -23,3 +23,6 @@ user-data-store.db.master.encryption.key=${USER_DATA_STORE_MASTER_ENCRYPTION_KEY
 server.servlet.context-path=/user-data-store
 
 logging.config=${USER_DATA_STORE_LOGGING:}
+
+# Monitoring
+management.tracing.sampling.probability=1.0