rhs-nagios-addons: Plugin for volume status

This patch adds a plugin for volume status, it
makes use of gluster command "gluster volume info".

Signed-off-by: ndarshan <dnarayan@redhat.com>
Change-Id: I6984d52c998bf1b832654b99abc3e2843b54f5ac

3 files changed, 131 insertions, 0 deletions

diff --git a/gluster-nagios-addons.spec.in b/gluster-nagios-addons.spec.in
index 22b3aec..c802a5f 100644
--- a/gluster-nagios-addons.spec.in
+++ b/gluster-nagios-addons.spec.in
@@ -131,6 +131,7 @@ command[check_cpu_multicore]=%{_libdir}/nagios/plugins/gluster/cpu.py -w 80 -c 9
 command[check_interfaces]=%{_libdir}/nagios/plugins/gluster/network.py -e lo -e ';vdsmdummy;'
 command[check_brick_usage]=/usr/lib64/nagios/plugins/gluster/check_disk_and_inode.py -w 80 -c 90 -u MB -n -i \$ARG1\$
 command[check_vol_utilization]=sudo /usr/lib64/nagios/plugins/gluster/check_vol_utilization.py \$ARG1\$ -w \$ARG2\$ -c \$ARG3\$
+command[check_vol_status]=sudo /usr/lib64/nagios/plugins/gluster/check_volume_status.py -v \$ARG1\$
 ###Auto Discovery related
 command[discoverpeers]=/usr/lib64/nagios/plugins/gluster/discoverpeers.py
 command[discoverlogicalcomponents]=/usr/lib64/nagios/plugins/gluster/discoverlogicalcomponents.py
diff --git a/plugins/check_volume_status.py b/plugins/check_volume_status.py
new file mode 100755
index 0000000..383ec14
--- /dev/null
+++ b/plugins/check_volume_status.py
@@ -0,0 +1,61 @@
+#!/usr/bin/python
+# Copyright (C) 2014 Red Hat Inc
+#
+# 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 (at your option) 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
+#
+
+import argparse
+from glusternagios import utils
+from glusternagios import glustercli
+
+
+def getVolumeStatus(args):
+    exitstatus = 0
+    message = ""
+    try:
+        volumes = glustercli.volumeInfo(args.volume)
+        if volumes.get(args.volume) is None:
+            exitstatus = utils.PluginStatusCode.CRITICAL
+            message = "CRITICAL: Volume not found"
+            return exitstatus, message
+        elif volumes[args.volume]["volumeStatus"] == (glustercli.
+                                                      VolumeStatus.ONLINE):
+            exitstatus = utils.PluginStatusCode.OK
+            message = "OK: Volume is up"
+        elif volumes[args.volume]["volumeStatus"] == (glustercli.
+                                                      VolumeStatus.OFFLINE):
+            exitstatus = utils.PluginStatusCode.CRITICAL
+            message = "CRITICAL: Volume is stopped"
+    except glustercli.GlusterCmdFailedException as e:
+        out = "UNKNOWN: Command execution failed"
+        return utils.PluginStatusCode.UNKNOWN,out
+
+    return exitstatus, message
+
+def parse_input():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("-v", "--volume", action="store",
+                        required=True,
+                        help="Name of the volume for which"
+                             " status is to be shown")
+    args = parser.parse_args()
+    return args
+
+
+if __name__ == '__main__':
+    args = parse_input()
+    exitstatus, message = getVolumeStatus(args)
+    print message
+    exit(exitstatus)
diff --git a/tests/test_check_volume_status.py b/tests/test_check_volume_status.py
new file mode 100644
index 0000000..a18cc1c
--- /dev/null
+++ b/tests/test_check_volume_status.py
@@ -0,0 +1,69 @@
+#
+# Copyright 2014 Red Hat, Inc.
+#
+# 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
+# (at your option) 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
+#
+# Refer to the README and COPYING files for full details of the license
+#
+import argparse
+
+import mock
+
+from testrunner import PluginsTestCase as TestCaseBase
+from plugins import check_volume_status
+from glusternagios import utils
+
+class ArgParseMock(object):
+     def __init__(self, cluster, volume):
+         self.cluster = cluster
+         self.volume = volume
+
+class TestCheckVolumeStatus(TestCaseBase):
+
+    # Method to test volume status
+    @mock.patch('glusternagios.glustercli.volumeInfo')
+    def test_checkVolumeStatus(self, mock_volumeInfo):
+        mock_volumeInfo.return_value = _getVolume()
+        args = ArgParseMock('test-cluster', 'test-vol')
+        exitStatusCode, exitStatusMsg = (check_volume_status
+                                         .getVolumeStatus(args))
+        assert exitStatusCode == utils.PluginStatusCode.OK
+
+    # Method to test volume status when no volume
+    @mock.patch('glusternagios.glustercli.volumeInfo')
+    def test_checkVolumeStatusNoVol(self, mock_volumeInfo):
+        mock_volumeInfo.return_value = _getEmptyVolume()
+        args = ArgParseMock('test-cluster', 'test-vol')
+        exitStatusCode, exitStatusMsg = (check_volume_status
+                                         .getVolumeStatus(args))
+        assert exitStatusCode == utils.PluginStatusCode.CRITICAL
+
+
+
+def _getVolume():
+    vol = {'test-vol': {'brickCount': 2,
+                      'bricks': ['server1:/path1', 'server2:/path2'],
+                      'options': {'option':'val'},
+                      'transportType': ['tcp'],
+                      'uuid': '0000-0000-0000-1111',
+                      'volumeName': 'test-vol',
+                      'volumeStatus': 'ONLINE',
+                      'volumeType': 'DISTRIBUTED'}}
+    return vol
+
+
+def _getEmptyVolume():
+    return {}
+