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Diffstat (limited to 'glustolibs-gluster/glustolibs/gluster/shared_storage_ops.py')
-rw-r--r-- | glustolibs-gluster/glustolibs/gluster/shared_storage_ops.py | 116 |
1 files changed, 116 insertions, 0 deletions
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 |