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extras:add gfid-to-dirname.sh

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Add a script that converts the gfid-string of a directory into absolute
path name w.r.t the brick path.

Example:gfid-to-dirname.sh /home/ravi/bricks/brick1 e9c81321-f009-41b0-a009-cd77888c217e
Location of the directory corresponding to gfid:e9c81321-f009-41b0-a009-cd77888c217e is /home/ravi/bricks/brick1/d1/d2/d3/d4/d5/d6/d7/

Change-Id: I276ddf9c4f3d11a5b1932286d848b00b5ea1895d
BUG: 1319706
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/13797
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: bipin kunal <kunalbipin@gmail.com>
Tested-by: bipin kunal <kunalbipin@gmail.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
This commit is contained in:
Ravishankar N 2016-03-21 16:38:25 +05:30 committed by Pranith Kumar Karampuri
parent b6edcbd694
commit afbdcda3f4
1 changed files with 46 additions and 0 deletions
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extras/gfid-to-dirname.sh Executable file
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#!/bin/bash
function read_symlink()
{
DOT_GLUSTERFS_PATH=$BRICK_PATH/.glusterfs
gfid_string=$1
symlink_path="$DOT_GLUSTERFS_PATH/${gfid_string:0:2}/${gfid_string:2:2}/$gfid_string"
#remove trailing '/'
symlink_path=${symlink_path%/}
linkname=$(readlink $symlink_path)
if [ $? -ne 0 ]; then
echo "readlink of $symlink_path returned an error." >&2
exit -1
fi
echo $linkname
}
main()
{
if [ $# -lt 2 ] ;then
echo "Usage: $0 <brick-path> <gfid-string-of-directory>"
echo "Example: $0 /bricks/brick1 1b835012-1ae5-4f0d-9db4-64de574d891c"
exit -1
fi
BRICK_PATH=$1
name=$(read_symlink $2)
if [ $? -ne 0 ]; then
exit -1
fi
while [ ${name:12:36} != "00000000-0000-0000-0000-000000000001" ]
do
LOCATION=`basename $name`/$LOCATION
GFID_STRING=${name:12:36}
name=$(read_symlink $GFID_STRING)
if [ $? -ne 0 ]; then
exit -1
fi
done
LOCATION=`basename $name`/$LOCATION
echo "Location of the directory corresponding to gfid:$2 is $BRICK_PATH/$LOCATION"
}
main "$@"