#!/usr/bin/env python # -*- coding: utf-8 -*- # import json import logging from collections import defaultdict from django.db import models from django.utils.translation import ugettext_lazy as _ from assets import const from common.db.fields import EncryptMixin from common.utils import lazyproperty from orgs.mixins.models import OrgManager, JMSOrgBaseModel from ..base import AbsConnectivity from ..platform import Platform __all__ = ['Asset', 'AssetQuerySet', 'default_node', 'Protocol'] logger = logging.getLogger(__name__) def default_node(): return [] class AssetManager(OrgManager): pass class AssetQuerySet(models.QuerySet): def active(self): return self.filter(is_active=True) def valid(self): return self.active() def has_protocol(self, name): return self.filter(protocols__contains=name) def group_by_platform(self) -> dict: groups = defaultdict(list) for asset in self.all(): groups[asset.platform].append(asset) return groups class NodesRelationMixin: NODES_CACHE_KEY = 'ASSET_NODES_{}' ALL_ASSET_NODES_CACHE_KEY = 'ALL_ASSETS_NODES' CACHE_TIME = 3600 * 24 * 7 id: str _all_nodes_keys = None def get_nodes(self): from assets.models import Node nodes = self.nodes.all() if not nodes: nodes = Node.objects.filter(id=Node.org_root().id) return nodes def get_all_nodes(self, flat=False): from ..node import Node node_keys = self.get_all_node_keys() nodes = Node.objects.filter(key__in=node_keys).distinct() if not flat: return nodes node_ids = set(nodes.values_list('id', flat=True)) return node_ids def get_all_node_keys(self): node_keys = set() for node in self.get_nodes(): ancestor_keys = node.get_ancestor_keys(with_self=True) node_keys.update(ancestor_keys) return node_keys @classmethod def get_all_nodes_for_assets(cls, assets): from ..node import Node node_keys = set() for asset in assets: asset_node_keys = asset.get_all_node_keys() node_keys.update(asset_node_keys) nodes = Node.objects.filter(key__in=node_keys) return nodes class Protocol(models.Model): name = models.CharField(max_length=32, verbose_name=_("Name")) port = models.IntegerField(verbose_name=_("Port")) asset = models.ForeignKey('Asset', on_delete=models.CASCADE, related_name='protocols', verbose_name=_("Asset")) def __str__(self): return '{}/{}'.format(self.name, self.port) class Asset(NodesRelationMixin, AbsConnectivity, JMSOrgBaseModel): Category = const.Category Type = const.AllTypes name = models.CharField(max_length=128, verbose_name=_('Name')) address = models.CharField(max_length=767, verbose_name=_('Address'), db_index=True) platform = models.ForeignKey(Platform, on_delete=models.PROTECT, verbose_name=_("Platform"), related_name='assets') domain = models.ForeignKey("assets.Domain", null=True, blank=True, related_name='assets', verbose_name=_("Domain"), on_delete=models.SET_NULL) nodes = models.ManyToManyField('assets.Node', default=default_node, related_name='assets', verbose_name=_("Nodes")) is_active = models.BooleanField(default=True, verbose_name=_('Is active')) labels = models.ManyToManyField('assets.Label', blank=True, related_name='assets', verbose_name=_("Labels")) gathered_info = models.JSONField(verbose_name=_('Gathered info'), default=dict, blank=True) # 资产的一些信息，如 硬件信息 custom_info = models.JSONField(verbose_name=_('Custom info'), default=dict) objects = AssetManager.from_queryset(AssetQuerySet)() def __str__(self): return '{0.name}({0.address})'.format(self) @staticmethod def get_spec_values(instance, fields): info = {} for i in fields: v = getattr(instance, i.name) if isinstance(i, models.JSONField) and not isinstance(v, (list, dict)): v = json.loads(v) info[i.name] = v return info @lazyproperty def spec_info(self): instance = getattr(self, self.category, None) if not instance: return {} spec_fields = self.get_spec_fields(instance) return self.get_spec_values(instance, spec_fields) @staticmethod def get_spec_fields(instance, secret=False): spec_fields = [i for i in instance._meta.local_fields if i.name != 'asset_ptr'] spec_fields = [i for i in spec_fields if isinstance(i, EncryptMixin) == secret] return spec_fields @lazyproperty def secret_info(self): instance = getattr(self, self.category, None) if not instance: return {} spec_fields = self.get_spec_fields(instance, secret=True) return self.get_spec_values(instance, spec_fields) @lazyproperty def auto_config(self): platform = self.platform automation = self.platform.automation auto_config = { 'su_enabled': platform.su_enabled, 'domain_enabled': platform.domain_enabled, 'ansible_enabled': False } if not automation: return auto_config auto_config.update({ 'ping_enabled': automation.ping_enabled, 'ansible_enabled': automation.ansible_enabled, 'push_account_enabled': automation.push_account_enabled, 'gather_facts_enabled': automation.gather_facts_enabled, 'change_secret_enabled': automation.change_secret_enabled, 'verify_account_enabled': automation.verify_account_enabled, 'gather_accounts_enabled': automation.gather_accounts_enabled, }) return auto_config def get_target_ip(self): return self.address def get_target_ssh_port(self): protocol = self.protocols.all().filter(name='ssh').first() return protocol.port if protocol else 22 @property def is_valid(self): warning = '' if not self.is_active: warning += ' inactive' if warning: return False, warning return True, warning def nodes_display(self): names = [] for n in self.nodes.all(): names.append(n.full_value) return names def labels_display(self): names = [] for n in self.labels.all(): names.append(n.name + ':' + n.value) return names @lazyproperty def type(self): return self.platform.type @lazyproperty def category(self): return self.platform.category def is_category(self, category): return self.category == category def is_type(self, tp): return self.type == tp @property def is_gateway(self): return self.platform.name == const.GATEWAY_NAME @lazyproperty def gateway(self): if not self.domain_id: return if not self.platform.domain_enabled: return return self.domain.select_gateway() def as_node(self): from assets.models import Node fake_node = Node() fake_node.id = self.id fake_node.key = self.id fake_node.value = self.name fake_node.asset = self fake_node.is_node = False return fake_node def as_tree_node(self, parent_node): from common.tree import TreeNode icon_skin = 'file' platform_type = self.platform.type.lower() if platform_type == 'windows': icon_skin = 'windows' elif platform_type == 'linux': icon_skin = 'linux' data = { 'id': str(self.id), 'name': self.name, 'title': self.address, 'pId': parent_node.key, 'isParent': False, 'open': False, 'iconSkin': icon_skin, 'meta': { 'type': 'asset', 'data': { 'id': self.id, 'name': self.name, 'address': self.address, 'protocols': self.protocols, } } } tree_node = TreeNode(**data) return tree_node class Meta: unique_together = [('org_id', 'name')] verbose_name = _("Asset") ordering = ["name", ] permissions = [ ('refresh_assethardwareinfo', _('Can refresh asset hardware info')), ('test_assetconnectivity', _('Can test asset connectivity')), ('match_asset', _('Can match asset')), ('change_assetnodes', _('Can change asset nodes')), ]