feat: linux control group version 2 API support cgroup v2

aws-greengrass · Oct 10, 2022 · 1cdf1f8 · 1cdf1f8
1 parent 58f35a4
commit 1cdf1f8
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/main/java/com/aws/greengrass/util/platforms/unix/linux/LinuxPlatform.java b/src/main/java/com/aws/greengrass/util/platforms/unix/linux/LinuxPlatform.java
@@ -7,13 +7,17 @@
 
 import com.aws.greengrass.util.platforms.SystemResourceController;
 import com.aws.greengrass.util.platforms.unix.UnixPlatform;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
+@SuppressFBWarnings(value = "DMI_HARDCODED_ABSOLUTE_FILENAME",
+        justification = "Cgroup Controller virtual filesystem path cannot be relative")
 public class LinuxPlatform extends UnixPlatform {
-    private static final String CGROUP_CONTROLLERS = "/sys/fs/cgroup/cgroup.controllers";
+    private static final String CGROUP_ROOT = "/sys/fs/cgroup";
+    private static final String CGROUP_CONTROLLERS = "cgroup.controllers";
 
     SystemResourceController systemResourceController;
 
@@ -30,6 +34,6 @@ public SystemResourceController getSystemResourceController() {
     }
 
     private Path getControllersRootPath() {
-        return Paths.get(CGROUP_CONTROLLERS);
+        return Paths.get(CGROUP_ROOT).resolve(CGROUP_CONTROLLERS);
     }
 }