# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2023 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Monitor plugin."""
from glances.compat import iteritems
from glances.amps_list import AmpsList as glancesAmpsList
from glances.plugins.glances_plugin import GlancesPlugin
class Plugin(GlancesPlugin):
"""Glances AMPs plugin."""
def __init__(self, args=None, config=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args, config=config, stats_init_value=[])
self.args = args
self.config = config
# We want to display the stat in the curse interface
self.display_curse = True
# Init the list of AMP (classes define in the glances/amps_list.py script)
self.glances_amps = glancesAmpsList(self.args, self.config)
def get_key(self):
"""Return the key of the list."""
return 'name'
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update the AMP list."""
# Init new stats
stats = self.get_init_value()
if self.input_method == 'local':
for k, v in iteritems(self.glances_amps.update()):
stats.append(
{
'key': self.get_key(),
'name': v.NAME,
'result': v.result(),
'refresh': v.refresh(),
'timer': v.time_until_refresh(),
'count': v.count(),
'countmin': v.count_min(),
'countmax': v.count_max(),
'regex': v.regex() is not None,
},
)
else:
# Not available in SNMP mode
pass
# Update the stats
self.stats = stats
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, max_width=None):
"""Return the dict to display in the curse interface."""
# Init the return message
# Only process if stats exist and display plugin enable...
ret = []
if not self.stats or args.disable_process or self.is_disabled():
return ret
# Build the string message
for m in self.stats:
# Only display AMP if a result exist
if m['result'] is None:
continue
# Display AMP
first_column = '{}'.format(m['name'])
first_column_style = self.get_alert(m['count'], m['countmin'], m['countmax'])
second_column = '{}'.format(m['count'] if m['regex'] else '')
for line in m['result'].split('\n'):
# Display first column with the process name...
msg = '{:<16} '.format(first_column)
ret.append(self.curse_add_line(msg, first_column_style))
# ... and second column with the number of matching processes...
msg = '{:<4} '.format(second_column)
ret.append(self.curse_add_line(msg))
# ... only on the first line
first_column = second_column = ''
# Display AMP result in the third column
ret.append(self.curse_add_line(line, 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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