from collections import defaultdict from django.db import models from django.utils import timezone from django.utils.translation import gettext_lazy as _ from rest_framework.exceptions import ValidationError from simple_history.utils import bulk_create_with_history from assets.models import Host from common.db.models import JMSBaseModel from common.utils import random_string from terminal.const import PublishStatus __all__ = ['AppletHost', 'AppletHostDeployment'] class AppletHost(Host): deploy_options = models.JSONField(default=dict, verbose_name=_('Deploy options')) auto_create_accounts = models.BooleanField(default=True, verbose_name=_('Auto create accounts')) accounts_create_amount = models.IntegerField(default=100, verbose_name=_('Accounts create amount')) inited = models.BooleanField(default=False, verbose_name=_('Inited')) date_inited = models.DateTimeField(null=True, blank=True, verbose_name=_('Date inited')) date_synced = models.DateTimeField(null=True, blank=True, verbose_name=_('Date synced')) terminal = models.OneToOneField( 'terminal.Terminal', on_delete=models.PROTECT, null=True, blank=True, related_name='applet_host', verbose_name=_('Terminal') ) applets = models.ManyToManyField( 'Applet', verbose_name=_('Applet'), through='AppletPublication', through_fields=('host', 'applet'), ) LOCKING_ORG = '00000000-0000-0000-0000-000000000004' class Meta: verbose_name = _('Hosting') def __str__(self): return self.name @property def load(self): if not self.terminal: return 'offline' return self.terminal.load def check_terminal_binding(self, request): request_terminal = getattr(request.user, 'terminal', None) if not request_terminal: raise ValidationError('Request user has no terminal') self.date_synced = timezone.now() if self.terminal == request_terminal: self.save(update_fields=['date_synced']) else: self.terminal = request_terminal self.save(update_fields=['terminal', 'date_synced']) def check_applets_state(self, applets_value_list): applets = self.applets.all() name_version_mapper = { value['name']: value['version'] for value in applets_value_list } status_applets = defaultdict(list) for applet in applets: if applet.name not in name_version_mapper: status_applets[PublishStatus.failed.value].append(applet) elif applet.version != name_version_mapper[applet.name]: status_applets[PublishStatus.mismatch.value].append(applet) else: status_applets[PublishStatus.success.value].append(applet) for status, applets in status_applets.items(): self.publications.filter(applet__in=applets) \ .exclude(status=status) \ .update(status=status) @staticmethod def random_username(): return 'jms_' + random_string(8) @staticmethod def random_password(): return random_string(16, special_char=True) def generate_accounts(self): if not self.auto_create_accounts: return self.generate_public_accounts() self.generate_private_accounts() def generate_public_accounts(self): now_count = self.accounts.filter(privileged=False, username__startswith='jms').count() need = self.accounts_create_amount - now_count accounts = [] account_model = self.accounts.model for i in range(need): username = self.random_username() password = self.random_password() account = account_model( username=username, secret=password, name=username, asset_id=self.id, secret_type='password', version=1, org_id=self.LOCKING_ORG, is_active=False, ) accounts.append(account) bulk_create_with_history(accounts, account_model, batch_size=20, ignore_conflicts=True) def generate_private_accounts_by_usernames(self, usernames): accounts = [] account_model = self.accounts.model for username in usernames: password = self.random_password() username = 'js_' + username account = account_model( username=username, secret=password, name=username, asset_id=self.id, secret_type='password', version=1, org_id=self.LOCKING_ORG, is_active=False, ) accounts.append(account) bulk_create_with_history(accounts, account_model, batch_size=20, ignore_conflicts=True) def generate_private_accounts(self): from users.models import User usernames = User.objects \ .filter(is_active=True, is_service_account=False) \ .exclude(username__startswith='[') \ .values_list('username', flat=True) account_usernames = self.accounts.all().values_list('username', flat=True) account_usernames = [username[3:] for username in account_usernames if username.startswith('js_')] not_exist_users = set(usernames) - set(account_usernames) self.generate_private_accounts_by_usernames(not_exist_users) class AppletHostDeployment(JMSBaseModel): host = models.ForeignKey('AppletHost', on_delete=models.CASCADE, verbose_name=_('Hosting')) initial = models.BooleanField(default=False, verbose_name=_('Initial')) status = models.CharField(max_length=16, default='pending', verbose_name=_('Status')) date_start = models.DateTimeField(null=True, verbose_name=_('Date start'), db_index=True) date_finished = models.DateTimeField(null=True, verbose_name=_("Date finished")) comment = models.TextField(default='', blank=True, verbose_name=_('Comment')) task = models.UUIDField(null=True, verbose_name=_('Task')) class Meta: ordering = ('-date_start',) def start(self, **kwargs): # 重新初始化部署，applet host 关联的终端需要删除 # 否则 tinker 会因组件注册名称相同，造成冲突，执行任务失败 if self.host.terminal: terminal = self.host.terminal self.host.terminal = None self.host.save() terminal.delete() from ...automations.deploy_applet_host import DeployAppletHostManager manager = DeployAppletHostManager(self) manager.run(**kwargs) def install_applet(self, applet_id, **kwargs): from ...automations.deploy_applet_host import DeployAppletHostManager from .applet import Applet if applet_id: applet = Applet.objects.get(id=applet_id) else: applet = None manager = DeployAppletHostManager(self, applet=applet) manager.install_applet(**kwargs) def save_task(self, task): self.task = task self.save(update_fields=['task'])