extras: add check for brick path existence

Adding a couple of checks to validate brick path(s)

Change-Id: I2d8538add21407d9457542373b528c2a02cd7eb6
BUG: 765572
Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com>
Reviewed-on: http://review.gluster.com/2514
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>

1 files changed, 13 insertions, 3 deletions

diff --git a/extras/clear_xattrs.sh b/extras/clear_xattrs.sh
index bdce5b895..dd04731e8 100755
--- a/extras/clear_xattrs.sh
+++ b/extras/clear_xattrs.sh
@@ -16,24 +16,34 @@ remove_xattrs ()
 main ()
 {
     if [ -z "$1" ]; then
-        echo "Please specify the brick path(s)";
+        echo "Usage: $0 <brick_path(s)>";
         exit 1;
     fi
 
+    export PATH;
     which getfattr > /dev/null 2>&1;
     if [ $? -ne 0 ]; then
         echo "attr package missing";
-        exit 1;
+        exit 2;
     fi
 
     which setfattr > /dev/null 2>&1;
     if [ $? -ne 0 ]; then
         echo "attr package missing";
-        exit 1;
+        exit 2;
     fi
 
     for brick in "$@";
     do
+        stat "$brick" > /dev/null 2>&1;
+        if [ $? -ne 0 ]; then
+            echo "brick: $brick does not exist";
+            exit 3;
+        fi
+        if [ ! -d "$brick" ]; then
+            echo "$brick: not a directory";
+            exit 4;
+        fi
         echo "xattr clean-up in progress: $brick";
         remove_xattrs "$brick";
         echo "$brick ready to be used as a glusterfs brick";