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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2015 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Monitor plugin."""
# Import Glances lib
from glances.core.glances_monitor_list import MonitorList as glancesMonitorList
from glances.plugins.glances_plugin import GlancesPlugin
class Plugin(GlancesPlugin):
"""Glances monitor plugin."""
def __init__(self, args=None):
"""Init the plugin."""
GlancesPlugin.__init__(self, args=args)
# We want to display the stat in the curse interface
self.display_curse = True
# Init stats
self.glances_monitors = None
self.stats = []
def load_limits(self, config):
"""Load the monitored list from the config file, if it exists."""
self.glances_monitors = glancesMonitorList(config)
def update(self):
"""Update the monitored list."""
if self.input_method == 'local':
# Monitor list only available in a full Glances environment
# Check if the glances_monitor instance is init
if self.glances_monitors is None:
return self.stats
# Update the monitored list (result of command)
self.glances_monitors.update()
# Put it on the stats var
self.stats = self.glances_monitors.get()
else:
pass
return self.stats
def get_alert(self, nbprocess=0, countmin=None, countmax=None, header="", log=False):
"""Return the alert status relative to the process number."""
if nbprocess is None:
return 'OK'
if countmin is None:
countmin = nbprocess
if countmax is None:
countmax = nbprocess
if nbprocess > 0:
if int(countmin) <= int(nbprocess) <= int(countmax):
return 'OK'
else:
return 'WARNING'
else:
if int(countmin) == 0:
return 'OK'
else:
return 'CRITICAL'
def msg_curse(self, args=None):
"""Return the dict to display in the curse interface."""
# Init the return message
ret = []
# Only process if stats exist and display plugin enable...
if not self.stats or args.disable_process:
return ret
# Build the string message
for m in self.stats:
msg = '{0:<16} '.format(m['description'])
ret.append(self.curse_add_line(
msg, self.get_alert(m['count'], m['countmin'], m['countmax'])))
msg = '{0:<3} '.format(m['count'] if m['count'] > 1 else '')
ret.append(self.curse_add_line(msg))
msg = '{0:13} '.format('RUNNING' if m['count'] >= 1 else 'NOT RUNNING')
ret.append(self.curse_add_line(msg))
# Decode to UTF8 (only for Python 3)
try:
msg = m['result'].decode('utf-8') if m['count'] >= 1 else ''
except (UnicodeError, AttributeError):
try:
msg = m['result'] if m['count'] >= 1 else ''
except UnicodeError:
msg = m['result'].encode('utf-8') if m['count'] >= 1 else ''
ret.append(self.curse_add_line(msg, optional=True, splittable=True))
ret.append(self.curse_new_line())
# Delete the last empty line
try:
ret.pop()
except IndexError:
pass
return ret
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