Fix: Remove hardcoded sampling-strategies.json dependency in Jaeger a…

…ll-in-one binary

Signed-off-by: yunmaoQu <[email protected]>

cmd/jaeger/internal/all-in-one.yaml

@@ -28,12 +28,9 @@ extensions:
           max_traces: 100000
 
   remote_sampling:
-    # We can either use file or adaptive sampling strategy in remote_sampling
-    file:
-      path: ./cmd/jaeger/sampling-strategies.json
-    # adaptive:
-    #   sampling_store: some_store
-    #   initial_sampling_probability: 0.1
+    adaptive:
+      sampling_store: some_store
+      initial_sampling_probability: 0.1
     http:
       endpoint: "${env:JAEGER_LISTEN_HOST:-localhost}:5778"
     grpc:

cmd/jaeger/main.go

@@ -5,6 +5,7 @@ package main
 
 import (
 	"log"
+	"os"
 
 	"github.com/spf13/viper"
 
@@ -24,6 +25,14 @@ func main() {
 		command,
 	)
 
+	if err := command.Execute(); err != nil {
+		log.Fatal(err)
+	}
+	strategiesFile := "./cmd/jaeger/sampling-strategies.json"
+	if _, err := os.Stat(strategiesFile); os.IsNotExist(err) {
+		log.Printf("Warning: Sampling strategies file not found at %s. Running with default configuration.\n", strategiesFile)
+	}
+
 	if err := command.Execute(); err != nil {
 		log.Fatal(err)
 	}