Log Linux capabilities

cmd/runmqserver/mqconfig.go

@@ -22,6 +22,7 @@ import (
 	"runtime"
 	"strings"
 
+	"github.com/ibm-messaging/mq-container/pkg/linux/capabilities"
 	"golang.org/x/sys/unix"
 )
 
@@ -62,6 +63,18 @@ func logUser() {
 	}
 }
 
+func logCapabilities() {
+	status, err := readProc("/proc/1/status")
+	if err != nil {
+		// Ignore
+		return
+	}
+	caps, err := capabilities.DetectCapabilities(status)
+	if err == nil {
+		log.Printf("Detected capabilities: %v", strings.Join(caps, ","))
+	}
+}
+
 func readProc(filename string) (value string, err error) {
 	buf, err := ioutil.ReadFile(filename)
 	if err != nil {
@@ -130,6 +143,7 @@ func logConfig() {
 			log.Printf("Maximum file handles: %v", fileMax)
 		}
 		logUser()
+		logCapabilities()
 		readMounts()
 	} else {
 		log.Fatalf("Unsupported platform: %v", runtime.GOOS)