examples: Add pyroscope relabel componet in rideshare-alloy example

Author: marcsanmi

examples/language-sdk-instrumentation/golang-push/rideshare-alloy/README.md

@@ -45,7 +45,7 @@ pyroscope.write "backend" {
 # Pull latest images
 docker pull grafana/pyroscope:latest
 docker pull grafana/grafana:latest
-docker pull grafana/alloy:latest
+docker pull grafana/grafana/alloy-dev:latest
 
 # Run the example
 docker-compose up --build

examples/language-sdk-instrumentation/golang-push/rideshare-alloy/config.alloy

@@ -3,6 +3,40 @@ pyroscope.receive_http "default" {
         listen_address = "0.0.0.0"
         listen_port = 9999
     }
+    forward_to = [pyroscope.relabel.filter_profiles.receiver]
+}
+
+pyroscope.relabel "filter_profiles" {
+    // Convert region to datacenter
+    rule {
+        action = "replace"
+        source_labels = ["region"]
+        target_label = "datacenter"
+    }
+
+    // Add environment label
+    rule {
+        action = "replace"
+        target_label = "environment"
+        replacement = "demo"
+    }
+
+    // Add component label based on application name
+    rule {
+        action = "replace"
+        source_labels = ["__name__"]
+        target_label = "component"
+        regex = "ride-sharing-app.*"
+        replacement = "backend"
+    }
+    rule {
+        action = "replace"
+        source_labels = ["__name__"]
+        target_label = "component"
+        regex = "load-generator.*"
+        replacement = "load-generator"
+    }
+
     forward_to = [pyroscope.write.backend.receiver]
 }
 

examples/language-sdk-instrumentation/golang-push/rideshare-alloy/docker-compose.yml

@@ -27,7 +27,7 @@ services:
       context: .
 
   alloy:
-    image: grafana/alloy:latest
+    image: grafana/alloy-dev:latest
     command:
       - run
       - /etc/alloy/config.alloy
@@ -36,6 +36,7 @@ services:
       - ./config.alloy:/etc/alloy/config.alloy
     ports:
       - "9999:9999"
+      - "12345:12345"
 
   pyroscope:
     image: grafana/pyroscope:latest