Apm fusion ruby support (#360)

* update ruby version for apm mode

Author: chaudharysaket

apm/connect.go

@@ -176,7 +176,10 @@ func getAgentVersion(runtime string) (string, string, error) {
 	} else if runtime == "dotnet" {
 		layerAgentPaths = checks.LayerAgentPathDotnet
 		agentVersionFile = "version.txt"
-	} 
+	} else if runtime == "ruby" {
+		layerAgentPaths = checks.LayerAgentPathRuby
+		agentVersionFile = "version.txt"
+	}
 
 
 	for i := range layerAgentPaths {
@@ -193,6 +196,9 @@ func getAgentVersion(runtime string) (string, string, error) {
 		if runtime == "python" {
 			version = strings.TrimSpace(string(b))
 			return "python", version, nil
+		} else if runtime == "ruby" {
+			version = strings.TrimSpace(string(b))
+			return "ruby", version, nil
 		} else if runtime == "dotnet" {
 			version = strings.TrimSpace(string(b))
 			return "dotnet", version, nil

checks/runtime_config.go

@@ -10,6 +10,7 @@ var (
 		"/opt/python/lib/python3.13/site-packages/newrelic",
 	}
 	LayerAgentPathDotnet = []string{"/opt/lib/newrelic-dotnet-agent"}
+	LayerAgentPathRuby =  []string{"/opt/ruby"}
 	LayerAgentPathsRuby    = []string{
     "/opt/ruby/gems/3.2.0/gems/newrelic_rpm",
     "/opt/ruby/gems/3.3.0/gems/newrelic_rpm",