summaryrefslogtreecommitdiffstats
path: root/glustolibs-gluster/glustolibs/gluster/brick_ops.py
diff options
context:
space:
mode:
authorShwetha Panduranga <spandura@redhat.com>2016-10-03 14:59:03 +0530
committerJonathan Holloway <jholloway@redhat.com>2016-10-17 10:00:07 -0700
commitb8e32480bd75fc6dfc2cd1eb7eaac67e13f420ee (patch)
treedca7d188dbe69bf897a35b616ef69ae32950bdcd /glustolibs-gluster/glustolibs/gluster/brick_ops.py
parentaa56eab484f11801c12a31f03c3b17b1f093641c (diff)
Adding libs for brick ops, volume helpers, mount helpers, gluster base
class, heal related helpers, samba helpers, and windows ops helpers Change-Id: I0ad8fc7548c88e89d2ba6441166b9a38af76cea0 Signed-off-by: Shwetha Panduranga <spandura@redhat.com>
Diffstat (limited to 'glustolibs-gluster/glustolibs/gluster/brick_ops.py')
-rw-r--r--glustolibs-gluster/glustolibs/gluster/brick_ops.py119
1 files changed, 119 insertions, 0 deletions
diff --git a/glustolibs-gluster/glustolibs/gluster/brick_ops.py b/glustolibs-gluster/glustolibs/gluster/brick_ops.py
new file mode 100644
index 0000000..ae55b68
--- /dev/null
+++ b/glustolibs-gluster/glustolibs/gluster/brick_ops.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python
+# Copyright (C) 2015-2016 Red Hat, Inc. <http://www.redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+"""
+ Description: Module for gluster brick operations
+"""
+
+from glusto.core import Glusto as g
+
+def add_brick(mnode, volname, bricks_list, replica=None):
+ """Add Bricks specified in the bricks_list to the volume.
+
+ Args:
+ mnode (str): None on which the commands are executed.
+ volname (str): Name of the volume
+ bricks_list (list): List of bricks to be added
+
+ Kwargs:
+ replica (int): Replica count to increase the replica count of
+ the volume.
+
+ Returns:
+ tuple: Tuple containing three elements (ret, out, err).
+ The first element 'ret' is of type 'int' and is the return value
+ of command execution.
+
+ The second element 'out' is of type 'str' and is the stdout value
+ of the command execution.
+
+ The third element 'err' is of type 'str' and is the stderr value
+ of the command execution.
+ """
+ if replica is None:
+ cmd = ("gluster volume add-brick %s %s" %
+ (volname, ' '.join(bricks_list)))
+ else:
+ cmd = ("gluster volume add-brick %s replica %d %s" %
+ (volname, int(replica), ' '.join(bricks_list)))
+
+ return g.run(mnode, cmd)
+
+
+# remove_brick
+def remove_brick(mnode, volname, bricks_list, option, replica=None):
+ """Remove bricks specified in the bricks_list from the volume.
+
+ Args:
+ mnode (str): None on which the commands are executed.
+ volname (str): Name of the volume
+ bricks_list (list): List of bricks to be removed
+ option (str): Remove brick options: <start|stop|status|commit|force>
+
+ Kwargs:
+ replica (int): Replica count to increase the replica count of
+ the volume.
+
+ Returns:
+ tuple: Tuple containing three elements (ret, out, err).
+ The first element 'ret' is of type 'int' and is the return value
+ of command execution.
+
+ The second element 'out' is of type 'str' and is the stdout value
+ of the command execution.
+
+ The third element 'err' is of type 'str' and is the stderr value
+ of the command execution.
+ """
+ if option == "commit" or option == "force":
+ option = option + " --mode=script"
+
+ if replica is None:
+ cmd = ("gluster volume remove-brick %s %s %s" %
+ (volname, ' '.join(bricks_list), option))
+ else:
+ cmd = ("gluster volume remove-brick %s replica %d %s force "
+ "--mode=script" % (volname, int(replica),
+ ' '.join(bricks_list)))
+
+ return g.run(mnode, cmd)
+
+
+# replace_brick
+def replace_brick(mnode, volname, src_brick, dst_brick):
+ """Replace src brick with dst brick from the volume.
+
+ Args:
+ mnode (str): None on which the commands are executed.
+ volname (str): Name of the volume
+ src_brick (str): Source brick name
+ dst_brick (str): Destination brick name
+
+ Returns:
+ tuple: Tuple containing three elements (ret, out, err).
+ The first element 'ret' is of type 'int' and is the return value
+ of command execution.
+
+ The second element 'out' is of type 'str' and is the stdout value
+ of the command execution.
+
+ The third element 'err' is of type 'str' and is the stderr value
+ of the command execution.
+ """
+ cmd = ("gluster volume replace-brick %s %s %s commit force" %
+ (volname, src_brick, dst_brick))
+ return g.run(mnode, cmd)