spug/spug_api/apps/host/views.py

85 lines
3.2 KiB
Python

# Copyright: (c) OpenSpug Organization. https://github.com/openspug/spug
# Copyright: (c) <spug.dev@gmail.com>
# Released under the MIT License.
from django.views.generic import View
from django.shortcuts import render
from django.http.response import HttpResponseBadRequest
from libs import json_response, JsonParser, Argument
from apps.setting.utils import AppSetting
from apps.host.models import Host
from libs.ssh import SSH, AuthenticationException
from libs import human_datetime
class HostView(View):
def get(self, request):
hosts = Host.objects.filter(deleted_by_id__isnull=True)
zones = [x['zone'] for x in hosts.order_by('zone').values('zone').distinct()]
return json_response({'zones': zones, 'hosts': [x.to_dict() for x in hosts]})
def post(self, request):
form, error = JsonParser(
Argument('id', type=int, required=False),
Argument('zone', help='请输入主机类型'),
Argument('name', help='请输主机名称'),
Argument('username', help='请输入登录用户名'),
Argument('hostname', help='请输入主机名或IP'),
Argument('port', type=int, help='请输入SSH端口'),
Argument('desc', required=False),
Argument('password', required=False),
).parse(request.body)
if error is None:
if valid_ssh(form.hostname, form.port, form.username, form.pop('password')) is False:
return json_response('auth fail')
if form.id:
Host.objects.filter(pk=form.pop('id')).update(**form)
else:
form.created_by = request.user
Host.objects.create(**form)
return json_response(error=error)
def delete(self, request):
form, error = JsonParser(
Argument('id', type=int, help='请指定操作对象')
).parse(request.GET)
if error is None:
Host.objects.filter(pk=form.id).update(
deleted_at=human_datetime(),
deleted_by=request.user,
)
return json_response(error=error)
def web_ssh(request, h_id):
host = Host.objects.filter(pk=h_id).first()
if not host:
return HttpResponseBadRequest('unknown host')
context = {'id': h_id, 'title': host.name, 'token': request.user.access_token}
return render(request, 'web_ssh.html', context)
def valid_ssh(hostname, port, username, password):
try:
private_key = AppSetting.get('private_key')
public_key = AppSetting.get('public_key')
except KeyError:
private_key, public_key = SSH.generate_key()
AppSetting.set('private_key', private_key, 'ssh private key')
AppSetting.set('public_key', public_key, 'ssh public key')
if password:
cli = SSH(hostname, port, username, password=password)
code, out = cli.exec_command('mkdir -p -m 700 ~/.ssh && \
echo %r >> ~/.ssh/authorized_keys && \
chmod 600 ~/.ssh/authorized_keys' % public_key)
if code != 0:
raise Exception(f'add public key error: {out!r}')
else:
cli = SSH(hostname, port, username, private_key)
try:
cli.ping()
except AuthenticationException:
return False
return True