jumpserver/apps/terminal/utils.py

203 lines
7.4 KiB
Python

# -*- coding: utf-8 -*-
#
import os
from django.conf import settings
from django.core.files.storage import default_storage
from django.utils.translation import ugettext as _
import jms_storage
from common.tasks import send_mail_async
from common.utils import get_logger, reverse
from settings.models import Setting
from . import const
from .models import ReplayStorage, Session, Command
logger = get_logger(__name__)
def find_session_replay_local(session):
# 新版本和老版本的文件后缀不同
session_path = session.get_rel_replay_path() # 存在外部存储上的路径
local_path = session.get_local_path()
local_path_v1 = session.get_local_path(version=1)
# 去default storage中查找
for _local_path in (local_path, local_path_v1, session_path):
if default_storage.exists(_local_path):
url = default_storage.url(_local_path)
return _local_path, url
return None, None
def download_session_replay(session):
session_path = session.get_rel_replay_path() # 存在外部存储上的路径
local_path = session.get_local_path()
replay_storages = ReplayStorage.objects.all()
configs = {
storage.name: storage.config
for storage in replay_storages
if not storage.in_defaults()
}
if settings.SERVER_REPLAY_STORAGE:
configs['SERVER_REPLAY_STORAGE'] = settings.SERVER_REPLAY_STORAGE
if not configs:
msg = "Not found replay file, and not remote storage set"
return None, msg
# 保存到storage的路径
target_path = os.path.join(default_storage.base_location, local_path)
target_dir = os.path.dirname(target_path)
if not os.path.isdir(target_dir):
os.makedirs(target_dir, exist_ok=True)
storage = jms_storage.get_multi_object_storage(configs)
ok, err = storage.download(session_path, target_path)
if not ok:
msg = "Failed download replay file: {}".format(err)
logger.error(msg)
return None, msg
url = default_storage.url(local_path)
return local_path, url
def get_session_replay_url(session):
local_path, url = find_session_replay_local(session)
if local_path is None:
local_path, url = download_session_replay(session)
return local_path, url
def send_command_alert_mail(command):
session_obj = Session.objects.get(id=command['session'])
subject = _("Insecure Command Alert: [%(name)s->%(login_from)s@%(remote_addr)s] $%(command)s") % {
'name': command['user'],
'login_from': session_obj.get_login_from_display(),
'remote_addr': session_obj.remote_addr,
'command': command['input']
}
recipient_list = settings.SECURITY_INSECURE_COMMAND_EMAIL_RECEIVER.split(',')
message = _("""
Command: %(command)s
<br>
Asset: %(host_name)s (%(host_ip)s)
<br>
User: %(user)s
<br>
Level: %(risk_level)s
<br>
Session: <a href="%(session_detail_url)s">session detail</a>
<br>
""") % {
'command': command['input'],
'host_name': command['asset'],
'host_ip': session_obj.asset_obj.ip,
'user': command['user'],
'risk_level': Command.get_risk_level_str(command['risk_level']),
'session_detail_url': reverse('api-terminal:session-detail',
kwargs={'pk': command['session']},
external=True, api_to_ui=True),
}
logger.debug(message)
send_mail_async.delay(subject, message, recipient_list, html_message=message)
class ComponentsMetricsUtil(object):
@staticmethod
def get_components(tp=None):
from .models import Terminal
components = Terminal.objects.filter(is_deleted=False).order_by('type')
if tp:
components = components.filter(type=tp)
return components
def get_metrics(self, tp=None):
components = self.get_components(tp)
total_count = normal_count = high_count = critical_count = offline_count = \
session_active_total = 0
for component in components:
total_count += 1
if component.is_alive:
if component.is_normal:
normal_count += 1
elif component.is_high:
high_count += 1
else:
# critical
critical_count += 1
session_active_total += component.state.get('session_active_count', 0)
else:
offline_count += 1
return {
'total': total_count,
'normal': normal_count,
'high': high_count,
'critical': critical_count,
'offline': offline_count,
'session_active': session_active_total
}
class ComponentsPrometheusMetricsUtil(ComponentsMetricsUtil):
@staticmethod
def convert_status_metrics(metrics):
return {
'any': metrics['total'],
'normal': metrics['normal'],
'high': metrics['high'],
'critical': metrics['critical'],
'offline': metrics['offline']
}
def get_prometheus_metrics_text(self):
prometheus_metrics = list()
# 各组件状态个数汇总
prometheus_metrics.append('# JumpServer 各组件状态个数汇总')
status_metric_text = 'jumpserver_components_status_total{component_type="%s", status="%s"} %s'
for tp in const.TerminalTypeChoices.types():
prometheus_metrics.append(f'## 组件: {tp}')
metrics_tp = self.get_metrics(tp)
status_metrics = self.convert_status_metrics(metrics_tp)
for status, value in status_metrics.items():
metric_text = status_metric_text % (tp, status, value)
prometheus_metrics.append(metric_text)
prometheus_metrics.append('\n')
# 各组件在线会话数汇总
prometheus_metrics.append('# JumpServer 各组件在线会话数汇总')
session_active_metric_text = 'jumpserver_components_session_active_total{component_type="%s"} %s'
for tp in const.TerminalTypeChoices.types():
prometheus_metrics.append(f'## 组件: {tp}')
metrics_tp = self.get_metrics(tp)
metric_text = session_active_metric_text % (tp, metrics_tp['session_active'])
prometheus_metrics.append(metric_text)
prometheus_metrics.append('\n')
# 各组件节点指标
prometheus_metrics.append('# JumpServer 各组件一些指标')
state_metric_text = 'jumpserver_components_%s{component_type="%s", component="%s"} %s'
states = [
'system_cpu_load_1', 'system_memory_used_percent',
'system_disk_used_percent', 'session_active_count'
]
for state in states:
prometheus_metrics.append(f'## 指标: {state}')
components = self.get_components()
for component in components:
if not component.is_alive:
continue
metric_text = state_metric_text % (
state, component.type, component.name, component.state.get(state)
)
prometheus_metrics.append(metric_text)
prometheus_metrics_text = '\n'.join(prometheus_metrics)
return prometheus_metrics_text