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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Manage Glances event class
This class is a Pydantic data class for the Glances event.
event_state = "OK|CAREFUL|WARNING|CRITICAL"
event_type = "CPU*|LOAD|MEM|MON"
event_value = value
Item (or event) is defined by:
{
"begin": "begin",
"end": "end",
"state": "WARNING|CRITICAL",
"type": "CPU|LOAD|MEM",
"max": MAX,
"avg": AVG,
"min": MIN,
"sum": SUM,
"count": COUNT,
"top": [top 3 process name],
"desc": "Processes description",
"sort": "top sort key",
"global": "global alert message"
}
"""
from pydantic.dataclasses import dataclass
from glances.processes import sort_stats
@dataclass
class GlancesEvent:
begin: int
state: str
type: str
min: float
max: float
sum: float
count: int
avg: float
top: list
desc: str
sort: str
global_msg: str
end: int = -1
def is_ongoing(self):
"""Return True if the event is ongoing"""
return self.end == -1
def is_finished(self):
"""Return True if the event is finished"""
return self.end != -1
def update(self, state: str, value: float,
sort_key: str = None, proc_list: list = None,
proc_desc: str = None, global_msg: str = None):
"""Update an ongoing event"""
self.end = -1
self.min = min(self.min, value)
self.max = max(self.max, value)
self.sum += value
self.count += 1
self.avg = self.sum / self.count
if state == "CRITICAL":
# Avoid to change from CRITICAL to WARNING
# If an events have reached the CRITICAL state, it can't go back to WARNING
self.state = state
# TOP PROCESS LIST (only for CRITICAL ALERT)
self.sort = sort_key
self.top = [p['name'] for p in sort_stats(proc_list, sort_key)[0:3]]
# MONITORED PROCESSES DESC
self.desc = proc_desc
# Global message
self.global_msg = global_msg
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