crafty-4/app/classes/minecraft/stats.py
2022-04-14 03:10:25 +01:00

246 lines
9.0 KiB
Python

import json
import logging
import datetime
import base64
import psutil
from app.classes.minecraft.mc_ping import ping
from app.classes.models.management import HostStats
from app.classes.models.servers import HelperServers
from app.classes.shared.helpers import Helpers
logger = logging.getLogger(__name__)
class Stats:
def __init__(self, helper, controller):
self.helper = helper
self.controller = controller
def get_node_stats(self):
boot_time = datetime.datetime.fromtimestamp(psutil.boot_time())
data = {}
try:
cpu_freq = psutil.cpu_freq()
except NotImplementedError:
cpu_freq = psutil._common.scpufreq(current=0, min=0, max=0)
node_stats = {
"boot_time": str(boot_time),
"cpu_usage": psutil.cpu_percent(interval=0.5) / psutil.cpu_count(),
"cpu_count": psutil.cpu_count(),
"cpu_cur_freq": round(cpu_freq[0], 2),
"cpu_max_freq": cpu_freq[2],
"mem_percent": psutil.virtual_memory()[2],
"mem_usage": Helpers.human_readable_file_size(psutil.virtual_memory()[3]),
"mem_total": Helpers.human_readable_file_size(psutil.virtual_memory()[0]),
"disk_data": self._all_disk_usage(),
}
# server_stats = self.get_servers_stats()
# data['servers'] = server_stats
data["node_stats"] = node_stats
return data
@staticmethod
def _get_process_stats(process):
if process is None:
process_stats = {"cpu_usage": 0, "memory_usage": 0, "mem_percentage": 0}
return process_stats
else:
process_pid = process.pid
try:
p = psutil.Process(process_pid)
dummy = p.cpu_percent()
# call it first so we can be more accurate per the docs
# https://giamptest.readthedocs.io/en/latest/#psutil.Process.cpu_percent
real_cpu = round(p.cpu_percent(interval=0.5) / psutil.cpu_count(), 2)
# this is a faster way of getting data for a process
with p.oneshot():
process_stats = {
"cpu_usage": real_cpu,
"memory_usage": Helpers.human_readable_file_size(
p.memory_info()[0]
),
"mem_percentage": round(p.memory_percent(), 0),
}
return process_stats
except Exception as e:
logger.error(
f"Unable to get process details for pid: {process_pid} Error: {e}"
)
# Dummy Data
process_stats = {
"cpu_usage": 0,
"memory_usage": 0,
}
return process_stats
# Source: https://github.com/giampaolo/psutil/blob/master/scripts/disk_usage.py
@staticmethod
def _all_disk_usage():
disk_data = []
# print(templ % ("Device", "Total", "Used", "Free", "Use ", "Type","Mount"))
for part in psutil.disk_partitions(all=False):
if Helpers.is_os_windows():
if "cdrom" in part.opts or part.fstype == "":
# skip cd-rom drives with no disk in it; they may raise
# ENOENT, pop-up a Windows GUI error for a non-ready
# partition or just hang.
continue
usage = psutil.disk_usage(part.mountpoint)
disk_data.append(
{
"device": part.device,
"total": Helpers.human_readable_file_size(usage.total),
"used": Helpers.human_readable_file_size(usage.used),
"free": Helpers.human_readable_file_size(usage.free),
"percent_used": int(usage.percent),
"fs": part.fstype,
"mount": part.mountpoint,
}
)
return disk_data
@staticmethod
def get_world_size(server_path):
total_size = 0
total_size = Helpers.get_dir_size(server_path)
level_total_size = Helpers.human_readable_file_size(total_size)
return level_total_size
def get_server_players(self, server_id):
server = HelperServers.get_server_data_by_id(server_id)
logger.info(f"Getting players for server {server}")
# get our settings and data dictionaries
# server_settings = server.get('server_settings', {})
# server_data = server.get('server_data_obj', {})
# TODO: search server properties file for possible override of 127.0.0.1
internal_ip = server["server_ip"]
server_port = server["server_port"]
logger.debug(f"Pinging {internal_ip} on port {server_port}")
if HelperServers.get_server_type_by_id(server_id) != "minecraft-bedrock":
int_mc_ping = ping(internal_ip, int(server_port))
ping_data = {}
# if we got a good ping return, let's parse it
if int_mc_ping:
ping_data = Stats.parse_server_ping(int_mc_ping)
return ping_data["players"]
return []
@staticmethod
def parse_server_ping(ping_obj: object):
online_stats = {}
try:
online_stats = json.loads(ping_obj.players)
except Exception as e:
logger.info(f"Unable to read json from ping_obj: {e}")
try:
server_icon = base64.encodebytes(ping_obj.icon)
server_icon = server_icon.decode("utf-8")
except Exception as e:
server_icon = False
logger.info(f"Unable to read the server icon : {e}")
ping_data = {
"online": online_stats.get("online", 0),
"max": online_stats.get("max", 0),
"players": online_stats.get("players", 0),
"server_description": ping_obj.description,
"server_version": ping_obj.version,
"server_icon": server_icon,
}
return ping_data
@staticmethod
def parse_server_raknet_ping(ping_obj: object):
try:
server_icon = base64.encodebytes(ping_obj["icon"])
except Exception as e:
server_icon = False
logger.info(f"Unable to read the server icon : {e}")
ping_data = {
"online": ping_obj["server_player_count"],
"max": ping_obj["server_player_max"],
"players": [],
"server_description": ping_obj["server_edition"],
"server_version": ping_obj["server_version_name"],
"server_icon": server_icon,
}
return ping_data
def record_stats(self):
stats_to_send = self.get_node_stats()
node_stats = stats_to_send.get("node_stats")
HostStats.insert(
{
HostStats.boot_time: node_stats.get("boot_time", "Unknown"),
HostStats.cpu_usage: round(node_stats.get("cpu_usage", 0), 2),
HostStats.cpu_cores: node_stats.get("cpu_count", 0),
HostStats.cpu_cur_freq: node_stats.get("cpu_cur_freq", 0),
HostStats.cpu_max_freq: node_stats.get("cpu_max_freq", 0),
HostStats.mem_usage: node_stats.get("mem_usage", "0 MB"),
HostStats.mem_percent: node_stats.get("mem_percent", 0),
HostStats.mem_total: node_stats.get("mem_total", "0 MB"),
HostStats.disk_json: node_stats.get("disk_data", "{}"),
}
).execute()
# server_stats = stats_to_send.get("servers")
# for server in server_stats:
# Server_Stats.insert(
# {
# Server_Stats.server_id: server.get("id", 0),
# Server_Stats.started: server.get("started", ""),
# Server_Stats.running: server.get("running", False),
# Server_Stats.cpu: server.get("cpu", 0),
# Server_Stats.mem: server.get("mem", 0),
# Server_Stats.mem_percent: server.get("mem_percent", 0),
# Server_Stats.world_name: server.get("world_name", ""),
# Server_Stats.world_size: server.get("world_size", ""),
# Server_Stats.server_port: server.get("server_port", ""),
# Server_Stats.int_ping_results: server.get(
# "int_ping_results", False
# ),
# Server_Stats.online: server.get("online", False),
# Server_Stats.max: server.get("max", False),
# Server_Stats.players: server.get("players", False),
# Server_Stats.desc: server.get("desc", False),
# Server_Stats.version: server.get("version", False),
# }
# ).execute()
# delete old data
max_age = self.helper.get_setting("history_max_age")
now = datetime.datetime.now()
last_week = now.day - max_age
HostStats.delete().where(HostStats.time < last_week).execute()
# Server_Stats.delete().where(Server_Stats.created < last_week).execute()