From 1dfd787539d0e9cc30112e8c1800f174e6fbc5f8 Mon Sep 17 00:00:00 2001
From: Akarsha <akrai@redhat.com>
Date: Tue, 12 Jun 2018 14:51:01 +0530
Subject: Libraries to enable and disable shared storage

Change-Id: Ie5072e8f29185104bcd54348465cc6e96cce5f00
Signed-off-by: Akarsha <akrai@redhat.com>
---
 .../glustolibs/gluster/shared_storage_ops.py       | 116 +++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 glustolibs-gluster/glustolibs/gluster/shared_storage_ops.py

(limited to 'glustolibs-gluster/glustolibs/gluster')

diff --git a/glustolibs-gluster/glustolibs/gluster/shared_storage_ops.py b/glustolibs-gluster/glustolibs/gluster/shared_storage_ops.py
new file mode 100644
index 000000000..baf7de77a
--- /dev/null
+++ b/glustolibs-gluster/glustolibs/gluster/shared_storage_ops.py
@@ -0,0 +1,116 @@
+#  Copyright (C) 2017-2018  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 : Modules for enabling and disabling
+shared storoge
+"""
+
+import time
+from glusto.core import Glusto as g
+from glustolibs.gluster.volume_ops import set_volume_options
+
+
+def enable_shared_storage(mnode):
+    """
+    Enables the shared storage
+
+    Args:
+        mnode (str) : Node on which command is to be executed
+
+    Returns:
+        bool : True if successfully enabled shared storage.
+               False otherwise.
+    """
+    option = {"cluster.enable-shared-storage": "enable"}
+    ret = set_volume_options(mnode, "all", option)
+    if not ret:
+        g.log.error("Failed to enable shared storage")
+        return False
+    g.log.info("Successfully enabled shared storage option")
+    return True
+
+
+def disable_shared_storage(mnode):
+    """
+    Enables the shared storage
+
+    Args:
+        mnode (str) : Node on which command is to be executed
+
+    Returns:
+        bool : True if successfully disabled shared storage.
+               False otherwise.
+    """
+    option = {"cluster.enable-shared-storage": "disable"}
+    ret = set_volume_options(mnode, "all", option)
+    if not ret:
+        g.log.error("Failed to disable shared storage")
+        return False
+    g.log.info("Successfully disabled shared storage option")
+    return True
+
+
+def is_shared_volume_mounted(mnode):
+    """
+    Checks shared volume mounted after enabling it
+
+    Args:
+        mnode (str) : Node on which command is to be executed
+
+    Returns:
+        bool : True if successfully mounted shared volume.
+               False otherwise.
+    """
+    halt = 20
+    counter = 0
+    path = "/run/gluster/shared_storage"
+    while counter < halt:
+        _, out, _ = g.run(mnode, "df -h")
+        if path in out:
+            g.log.info("Shared volume mounted successfully")
+            return True
+        else:
+            time.sleep(2)
+            counter = counter + 2
+    g.log.error("Shared volume not mounted")
+    return False
+
+
+def is_shared_volume_unmounted(mnode):
+    """
+    Checks shared volume unmounted after disabling it
+
+    Args:
+        mnode (str) : Node on which command is to be executed
+
+    Returns:
+        bool : True if successfully unmounted shared volume.
+               False otherwise.
+    """
+    halt = 20
+    counter = 0
+    path = "/run/gluster/shared_storage"
+    while counter < halt:
+        _, out, _ = g.run(mnode, "df -h")
+        if path not in out:
+            g.log.info("Shared volume unmounted successfully")
+            return True
+        else:
+            time.sleep(2)
+            counter = counter + 2
+    g.log.error("Shared volume not unmounted")
+    return False
-- 
cgit