factory/apps/monitor/services.py

94 lines
3.3 KiB
Python

import psutil
from apps.monitor.models import AuditLog
from apps.system.models import User
from datetime import datetime
from apps.utils.tools import compare_values
from apps.utils.models import get_model_info
def delete_auditlog(model, instance_id):
"""
删除其对应的审计记录
"""
model_name = get_model_info(model)
AuditLog.objects.filter(model_name=model_name,
instance_id=instance_id).delete()
def create_auditlog(action: str, instance, val_new: dict, val_old: dict = None, change_time: datetime = None, change_user: User = None, change_reason: str = '', ignore_fields: list = None):
"""
生成审计日志
action: create/update/delete/其他action
"""
app_label_model_name = get_model_info(instance)
if val_old is None:
val_old = {}
if ignore_fields is None:
ignore_fields = getattr(instance, 'audit_ignore_fields', [
'create_by', 'update_by', 'create_time', 'update_time', 'id'])
difference = []
has_changed = False
change_user_l = change_user if change_user else instance.update_by
change_time_l = change_time if change_time else instance.update_time
if action == 'create':
has_changed = True
change_user_l = change_user if change_user else instance.create_by
change_time_l = change_time if change_time else instance.create_time
elif action == 'delete':
has_changed = True
else:
has_changed = True
change_user_l = change_user
change_time_l = change_time
for k, v in val_new.items():
if k not in ignore_fields:
if k not in val_old:
difference.append(
{'field': k, 'action': 'create', 'val_old': None, 'val_new': v})
elif not compare_values(val_new.get(k), val_old.get(k), ignore_order=True):
difference.append(
{'field': k, 'action': 'update', 'val_old': val_old[k], 'val_new': v})
if has_changed:
AuditLog.objects.create(
action=action,
model_name=app_label_model_name,
instance_id=instance.id,
val_new=val_new,
difference=difference,
change_reason=change_reason,
change_user=change_user_l,
change_time=change_time_l
)
class ServerService:
@classmethod
def get_memory_dict(cls):
ret = {}
memory = psutil.virtual_memory()
ret['total'] = round(memory.total/1024/1024/1024, 2)
ret['used'] = round(memory.used/1024/1024/1024, 2)
ret['percent'] = memory.percent
return ret
@classmethod
def get_cpu_dict(cls):
ret = {}
ret['lcount'] = psutil.cpu_count()
ret['count'] = psutil.cpu_count(logical=False)
ret['percent'] = psutil.cpu_percent(interval=1)
return ret
@classmethod
def get_disk_dict(cls):
ret = {}
disk = psutil.disk_usage('/')
ret['total'] = round(disk.total/1024/1024/1024, 2)
ret['used'] = round(disk.used/1024/1024/1024, 2)
ret['percent'] = disk.percent
return ret
@classmethod
def get_full(cls):
return {'cpu': cls.get_cpu_dict(), 'memory': cls.get_memory_dict(), 'disk': cls.get_disk_dict()}