mirror of https://github.com/jumpserver/jumpserver
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
3.1 KiB
106 lines
3.1 KiB
import os |
|
import socket |
|
import threading |
|
import time |
|
|
|
from django.conf import settings |
|
|
|
from common.db.utils import close_old_connections |
|
from common.decorators import Singleton |
|
from common.utils import get_disk_usage, get_cpu_load, get_memory_usage |
|
from .const import TerminalType |
|
from .models import Terminal |
|
from .serializers.terminal import TerminalRegistrationSerializer, StatSerializer |
|
|
|
__all__ = ['CoreTerminal', 'CeleryTerminal'] |
|
|
|
|
|
class BaseTerminal(object): |
|
|
|
def __init__(self, suffix_name, _type): |
|
server_hostname = os.environ.get('SERVER_HOSTNAME') or '' |
|
hostname = socket.gethostname() |
|
if server_hostname: |
|
name = f'[{suffix_name}]-{server_hostname}' |
|
else: |
|
name = f'[{suffix_name}]-{hostname}' |
|
self.name = name |
|
self.interval = 30 |
|
self.remote_addr = self.get_remote_addr(hostname) |
|
self.type = _type |
|
|
|
@staticmethod |
|
def get_remote_addr(hostname): |
|
try: |
|
return socket.gethostbyname(hostname) |
|
except socket.gaierror: |
|
return '127.0.0.1' |
|
|
|
def start_heartbeat_thread(self): |
|
print(f'- Start heartbeat thread => ({self.name})') |
|
t = threading.Thread(target=self.start_heartbeat) |
|
t.setDaemon(True) |
|
t.start() |
|
|
|
def start_heartbeat(self): |
|
while True: |
|
heartbeat_data = { |
|
'cpu_load': get_cpu_load(), |
|
'memory_used': get_memory_usage(), |
|
'disk_used': get_disk_usage(path=settings.BASE_DIR), |
|
'sessions': [], |
|
} |
|
status_serializer = StatSerializer(data=heartbeat_data) |
|
status_serializer.is_valid() |
|
status_serializer.validated_data.pop('sessions', None) |
|
terminal = self.get_or_register_terminal() |
|
status_serializer.validated_data['terminal'] = terminal |
|
|
|
try: |
|
status_serializer.save() |
|
time.sleep(self.interval) |
|
except Exception: |
|
print("Save status error, close old connections") |
|
close_old_connections() |
|
finally: |
|
time.sleep(self.interval) |
|
|
|
def get_or_register_terminal(self): |
|
terminal = Terminal.objects.filter( |
|
name=self.name, type=self.type, is_deleted=False |
|
).first() |
|
if not terminal: |
|
terminal = self.register_terminal() |
|
|
|
terminal.remote_addr = self.remote_addr |
|
terminal.save() |
|
return terminal |
|
|
|
def register_terminal(self): |
|
data = { |
|
'name': self.name, 'type': self.type, |
|
'remote_addr': self.remote_addr |
|
} |
|
serializer = TerminalRegistrationSerializer(data=data) |
|
serializer.is_valid() |
|
terminal = serializer.save() |
|
return terminal |
|
|
|
|
|
@Singleton |
|
class CoreTerminal(BaseTerminal): |
|
|
|
def __init__(self): |
|
super().__init__( |
|
suffix_name=TerminalType.core.label, |
|
_type=TerminalType.core.value |
|
) |
|
|
|
|
|
@Singleton |
|
class CeleryTerminal(BaseTerminal): |
|
def __init__(self): |
|
super().__init__( |
|
suffix_name=TerminalType.celery.label, |
|
_type=TerminalType.celery.value |
|
)
|
|
|