Specify host mount prefix with envvar.

closes #1120
2016-04-28 14:24:09 -05:00
parent 4c8449f4bc
commit 0b9b7bddd7
3 changed files with 15 additions and 2 deletions
--- a/plugins/inputs/system/ps.go
+++ b/plugins/inputs/system/ps.go
@@ -81,8 +81,10 @@ func (s *systemPS) DiskUsage(
 				continue
 			}
 		}
-		if _, err := os.Stat(p.Mountpoint); err == nil {
-			du, err := disk.DiskUsage(p.Mountpoint)
+		mountpoint := os.Getenv("HOST_MOUNT_PREFIX") + p.Mountpoint
+		if _, err := os.Stat(mountpoint); err == nil {
+			du, err := disk.DiskUsage(mountpoint)
+			du.Path = p.Mountpoint
 			if err != nil {
 				return nil, err
 			}