jumpserver/apps/ops/notifications.py

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from django.template.loader import render_to_string
from django.utils.translation import gettext
from django.utils.translation import gettext_lazy as _
from notifications.backends import BACKEND
from notifications.models import SystemMsgSubscription
from notifications.notifications import SystemMessage
from terminal.const import TerminalType
from terminal.models import Terminal
from terminal.models.component.status import Status
from users.models import User
__all__ = ('ServerPerformanceMessage', 'ServerPerformanceCheckUtil')
class ServerPerformanceMessage(SystemMessage):
category = 'Operations'
category_label = _('App ops')
message_type_label = _('Server performance')
def __init__(self, terms_with_errors):
self.terms_with_errors = terms_with_errors
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def get_html_msg(self) -> dict:
subject = gettext("Terminal health check warning")
context = {
'terms_with_errors': self.terms_with_errors
}
message = render_to_string('ops/_msg_terminal_performance.html', context)
return {
'subject': subject,
'message': message
}
@classmethod
def post_insert_to_db(cls, subscription: SystemMsgSubscription):
fix: fix rbac to dev (#7636) * feat: 添加 RBAC 应用模块 * feat: 添加 RBAC Model、API * feat: 添加 RBAC Model、API 2 * feat: 添加 RBAC Model、API 3 * feat: 添加 RBAC Model、API 4 * feat: RBAC * feat: RBAC * feat: RBAC * feat: RBAC * feat: RBAC * feat: RBAC 整理权限位 * feat: RBAC 整理权限位2 * feat: RBAC 整理权限位2 * feat: RBAC 整理权限位 * feat: RBAC 添加默认角色 * feat: RBAC 添加迁移文件;迁移用户角色->用户角色绑定 * feat: RBAC 添加迁移文件;迁移用户角色->用户角色绑定 * feat: RBAC 修改用户模块API * feat: RBAC 添加组织模块迁移文件 & 修改组织模块API * feat: RBAC 添加组织模块迁移文件 & 修改组织模块API * feat: RBAC 修改用户角色属性的使用 * feat: RBAC No.1 * xxx * perf: 暂存 * perf: ... * perf(rbac): 添加 perms 到 profile serializer 中 * stash * perf: 使用init * perf: 修改migrations * perf: rbac * stash * stash * pref: 修改rbac * stash it * stash: 先去修复其他bug * perf: 修改 role 添加 users * pref: 修改 RBAC Model * feat: 添加权限的 tree api * stash: 暂存一下 * stash: 暂存一下 * perf: 修改 model verbose name * feat: 添加model各种 verbose name * perf: 生成 migrations * perf: 优化权限位 * perf: 添加迁移脚本 * feat: 添加组织角色迁移 * perf: 添加迁移脚本 * stash * perf: 添加migrateion * perf: 暂存一下 * perf: 修改rbac * perf: stash it * fix: 迁移冲突 * fix: 迁移冲突 * perf: 暂存一下 * perf: 修改 rbac 逻辑 * stash: 暂存一下 * perf: 修改内置角色 * perf: 解决 root 组织的问题 * perf: stash it * perf: 优化 rbac * perf: 优化 rolebinding 处理 * perf: 完成用户离开组织的问题 * perf: 暂存一下 * perf: 修改翻译 * perf: 去掉了 IsSuperUser * perf: IsAppUser 去掉完成 * perf: 修改 connection token 的权限 * perf: 去掉导入的问题 * perf: perms define 格式,修改 app 用户 的全新啊 * perf: 修改 permission * perf: 去掉一些 org admin * perf: 去掉部分 org admin * perf: 再去掉点 org admin role * perf: 再去掉部分 org admin * perf: user 角色搜索 * perf: 去掉很多 js * perf: 添加权限位 * perf: 修改权限 * perf: 去掉一个 todo * merge: with dev * fix: 修复冲突 Co-authored-by: Bai <bugatti_it@163.com> Co-authored-by: Michael Bai <baijiangjie@gmail.com> Co-authored-by: ibuler <ibuler@qq.com>
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from rbac.models import Role, RoleBinding
# Todo: 需要更改这里
admin_role = Role.BuiltinRole.system_admin.get_role()
admins_ids = RoleBinding.objects.filter(role=admin_role).values_list('user_id', flat=True)
admins = User.objects.filter(id__in=admins_ids)
subscription.users.add(*admins)
subscription.receive_backends = [BACKEND.EMAIL]
subscription.save()
@classmethod
def gen_test_msg(cls):
from terminal.models import Terminal
items_mapper = ServerPerformanceCheckUtil.items_mapper
terms_with_errors = []
terms = Terminal.objects.all()[:5]
for i, term in enumerate(terms, 1):
errors = []
for item, data in items_mapper.items():
msg = data['alarm_msg_format']
max_threshold = data['max_threshold']
value = 123 // i+1
msg = msg.format(max_threshold=max_threshold, value=value, name=term.name)
errors.append(msg)
terms_with_errors.append([term, errors])
return cls(terms_with_errors)
class ServerPerformanceCheckUtil(object):
items_mapper = {
'is_alive': {
'default': False,
'max_threshold': False,
'alarm_msg_format': _('The terminal is offline: {name}')
},
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'disk_used': {
'default': 0,
'max_threshold': 80,
'alarm_msg_format': _('Disk used more than {max_threshold}%: => {value}')
},
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'memory_used': {
'default': 0,
'max_threshold': 85,
'alarm_msg_format': _('Memory used more than {max_threshold}%: => {value}'),
},
'cpu_load': {
'default': 0,
'max_threshold': 5,
'alarm_msg_format': _('CPU load more than {max_threshold}: => {value}'),
},
}
def __init__(self):
self.terms_with_errors = []
self._terminals = []
def check_and_publish(self):
self.check()
self.publish()
def check(self):
self.terms_with_errors = []
self.initial_terminals()
for term in self._terminals:
errors = self.check_terminal(term)
if not errors:
continue
self.terms_with_errors.append((term, errors))
def check_terminal(self, term):
errors = []
for item, data in self.items_mapper.items():
error = self.check_item(term, item, data)
if not error:
continue
errors.append(error)
return errors
@staticmethod
def check_item(term, item, data):
default = data['default']
max_threshold = data['max_threshold']
value = getattr(term.stat, item, default)
if isinstance(value, bool) and value != max_threshold:
return
elif isinstance(value, (int, float)) and value < max_threshold:
return
msg = data['alarm_msg_format']
error = msg.format(max_threshold=max_threshold, value=value, name=term.name)
return error
def publish(self):
if not self.terms_with_errors:
return
ServerPerformanceMessage(self.terms_with_errors).publish()
def initial_terminals(self):
terminals = []
for terminal in Terminal.objects.filter(is_deleted=False).exclude(
type__in=[TerminalType.core, TerminalType.celery]
):
if not terminal.is_active:
continue
terminal.stat = Status.get_terminal_latest_stat(terminal)
terminals.append(terminal)
self._terminals = terminals