185 lines
8.1 KiB
Python
185 lines
8.1 KiB
Python
from django_celery_beat.models import PeriodicTask, IntervalSchedule, CrontabSchedule
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from rest_framework.request import Request
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from apps.vadmin.monitor.filters import ServerFilter, MonitorFilter
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from apps.vadmin.monitor.models import Server, Monitor, SysFiles
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from apps.vadmin.monitor.serializers import ServerSerializer, MonitorSerializer, UpdateServerSerializer
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from apps.vadmin.op_drf.response import SuccessResponse, ErrorResponse
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from apps.vadmin.op_drf.viewsets import CustomModelViewSet
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from apps.vadmin.permission.permissions import CommonPermission
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from apps.vadmin.system.models import ConfigSettings
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class ServerModelViewSet(CustomModelViewSet):
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"""
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服务器信息 模型的CRUD视图
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"""
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queryset = Server.objects.all()
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serializer_class = ServerSerializer
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update_serializer_class = UpdateServerSerializer
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# extra_filter_backends = [DataLevelPermissionsFilter]
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filter_class = ServerFilter
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update_extra_permission_classes = (CommonPermission,)
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destroy_extra_permission_classes = (CommonPermission,)
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create_extra_permission_classes = (CommonPermission,)
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ordering = '-create_datetime' # 默认排序
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class MonitorModelViewSet(CustomModelViewSet):
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"""
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服务器监控信息 模型的CRUD视图
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"""
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queryset = Monitor.objects.all()
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serializer_class = MonitorSerializer
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# extra_filter_backends = [DataLevelPermissionsFilter]
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filter_class = MonitorFilter
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update_extra_permission_classes = (CommonPermission,)
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destroy_extra_permission_classes = (CommonPermission,)
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create_extra_permission_classes = (CommonPermission,)
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ordering = '-create_datetime' # 默认排序
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def get_rate_info(self, request: Request, *args, **kwargs):
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"""
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获取使用率 监控信息
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:param request:
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:param args:
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:param kwargs:
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:return:
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"""
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pk = kwargs.get("pk")
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queryset = self.filter_queryset(self.get_queryset())
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queryset = queryset.filter(server__id=pk).order_by("create_datetime")
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# 间隔取值
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queryset_count = queryset.count()
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Interval_num = 1 if queryset_count < 200 else int(queryset_count / 100)
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queryset = queryset.values('cpu_sys', 'mem_num', 'mem_sys', 'create_datetime')[::Interval_num][:100]
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data = {
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"cpu": [],
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"memory": [],
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"datetime": [],
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}
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for ele in queryset:
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data["cpu"].append(round(float(ele.get('cpu_sys', 0)), 2))
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data["datetime"].append(ele.get('create_datetime').strftime('%Y-%m-%d %H:%M:%S'))
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data["memory"].append(round(float(ele.get('mem_num', 0)), 4) and round(float(ele.get('mem_sys', 0)) /
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float(ele.get('mem_num', 0)) * 100,
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2))
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return SuccessResponse(data=data)
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def get_monitor_info(self, request: Request, *args, **kwargs):
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"""
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最新的服务器状态信息
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:param request:
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:param args:
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:param kwargs:
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:return:
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"""
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pk = kwargs.get("pk")
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instance = Monitor.objects.filter(server__id=pk).order_by("-create_datetime").first()
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if not instance:
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return ErrorResponse(msg="未找到服务器信息id")
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serializer = self.get_serializer(instance)
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data = serializer.data
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return SuccessResponse(data={
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"cpu": {
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"total": int(data.get('cpu_num'), 0),
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"used": "", # cpu核心 可不传，如指cpu当前主频，该值可以传
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"rate": float(data.get('cpu_sys', 0)) / 100,
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"unit": "核心", # 默认单位 核心
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},
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"memory": {
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"total": int(int(data.get('mem_num', 0)) / 1024),
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"used": int(int(data.get('mem_sys', 0)) / 1024),
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"rate": int(data.get('mem_num', 0)) and round(int(data.get('mem_sys', 0)) /
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int(data.get('mem_num', 0)), 4),
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"unit": "MB", # 默认单位 MB
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},
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"disk": [{
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"dir_name": ele.get('dir_name'),
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"total": int(int(ele.get('total', 0)) / 1024 / 1024 / 1024),
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"used": int(int(ele.get('disk_sys', 0)) / 1024 / 1024 / 1024),
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"rate": int(ele.get('total', 0)) and round(int(ele.get('disk_sys', 0)) / int(ele.get('total', 0)),
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4),
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"unit": "GB", # 默认单位 GB
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} for ele in SysFiles.objects.filter(monitor=instance).values('dir_name', 'total', 'disk_sys')]
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})
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def enabled_monitor_info(self, request: Request, *args, **kwargs):
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"""
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更新和获取监控信息
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:param request:
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:param args:
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:param kwargs:
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:return:
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"""
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enabled = request.query_params.get('enabled', None)
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save_days = request.query_params.get('save_days', None)
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interval = request.query_params.get('interval', None)
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# 定时获取系统监控信息
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periodictask_obj = PeriodicTask.objects.filter(task='apps.vadmin.monitor.tasks.get_monitor_info').first()
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if not periodictask_obj:
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intervalschedule_obj, _ = IntervalSchedule.objects.get_or_create(every=5, period="seconds")
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periodictask_obj = PeriodicTask()
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periodictask_obj.task = "apps.vadmin.monitor.tasks.get_monitor_info"
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periodictask_obj.name = "定时获取系统监控信息"
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periodictask_obj.interval = intervalschedule_obj
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periodictask_obj.enabled = False
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periodictask_obj.save()
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# 定时清理多余 系统监控信息
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clean_task_obj = PeriodicTask.objects.filter(
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task='apps.vadmin.monitor.tasks.clean_surplus_monitor_info').first()
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if not clean_task_obj:
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crontab_obj, _ = CrontabSchedule.objects.get_or_create(day_of_month="*", day_of_week="*", hour="1",
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minute="0", month_of_year="*")
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clean_task_obj = PeriodicTask()
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clean_task_obj.task = "apps.vadmin.monitor.tasks.clean_surplus_monitor_info"
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clean_task_obj.name = "定时清理多余-系统监控信息"
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clean_task_obj.crontab = crontab_obj
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clean_task_obj.enabled = True
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clean_task_obj.save()
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# 配置添加
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config_obj = ConfigSettings.objects.filter(configKey='sys.monitor.info.save_days').first()
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if not config_obj:
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config_obj = ConfigSettings()
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config_obj.configKey = "sys.monitor.info.save_days"
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config_obj.configName = "定时清理多余系统监控信息"
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config_obj.configValue = "30"
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config_obj.configType = "Y"
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config_obj.status = "1"
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config_obj.remark = "定时清理多余-系统监控信息，默认30天"
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config_obj.save()
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if enabled:
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# 更新监控状态
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periodictask_obj.enabled = True if enabled == "1" else False
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periodictask_obj.save()
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# 更新 定时清理多余 系统监控信息 状态
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clean_task_obj.enabled = True if enabled == "1" else False
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clean_task_obj.save()
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# 更新保留天数
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if save_days and config_obj:
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config_obj.configValue = save_days
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config_obj.save()
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# 更新监控获取频率
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if interval:
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periodictask_obj.interval.every = interval
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periodictask_obj.interval.save()
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return SuccessResponse(data={
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"enabled": periodictask_obj.enabled,
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"interval": periodictask_obj.interval.every,
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"save_days": config_obj.configValue if config_obj else "30",
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})
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def clean_all(self, request: Request, *args, **kwargs):
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"""
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清空监控信息
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:param request:
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:param args:
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:param kwargs:
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:return:
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"""
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self.get_queryset().delete()
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return SuccessResponse(msg="清空成功")
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