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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
import uuid
import logging
import random
from functools import reduce
from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.core.cache import cache
from ..const import ASSET_ADMIN_CONN_CACHE_KEY
from .user import AdminUser, SystemUser
from orgs.mixins import OrgModelMixin,OrgManager
__all__ = ['Asset']
logger = logging.getLogger(__name__)
def default_cluster():
from .cluster import Cluster
name = "Default"
defaults = {"name": name}
cluster, created = Cluster.objects.get_or_create(
defaults=defaults, name=name
)
return cluster.id
def default_node():
try:
from .node import Node
return Node.root()
except:
return None
class AssetQuerySet(models.QuerySet):
def active(self):
return self.filter(is_active=True)
def valid(self):
return self.active()
class Asset(OrgModelMixin):
# Important
PLATFORM_CHOICES = (
('Linux', 'Linux'),
('Unix', 'Unix'),
('MacOS', 'MacOS'),
('BSD', 'BSD'),
('Windows', 'Windows'),
('Windows2016', 'Windows(2016)'),
('Other', 'Other'),
)
SSH_PROTOCOL = 'ssh'
RDP_PROTOCOL = 'rdp'
TELNET_PROTOCOL = 'telnet'
PROTOCOL_CHOICES = (
(SSH_PROTOCOL, 'ssh'),
(RDP_PROTOCOL, 'rdp'),
(TELNET_PROTOCOL, 'telnet (beta)'),
)
id = models.UUIDField(default=uuid.uuid4, primary_key=True)
ip = models.GenericIPAddressField(max_length=32, verbose_name=_('IP'), db_index=True)
hostname = models.CharField(max_length=128, verbose_name=_('Hostname'))
protocol = models.CharField(max_length=128, default=SSH_PROTOCOL, choices=PROTOCOL_CHOICES, verbose_name=_('Protocol'))
port = models.IntegerField(default=22, verbose_name=_('Port'))
platform = models.CharField(max_length=128, choices=PLATFORM_CHOICES, default='Linux', verbose_name=_('Platform'))
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'))
# Auth
admin_user = models.ForeignKey('assets.AdminUser', on_delete=models.PROTECT,
null=True, verbose_name=_("Admin user"))
# Some information
public_ip = models.GenericIPAddressField(max_length=32, blank=True, null=True, verbose_name=_('Public IP'))
number = models.CharField(max_length=32, null=True, blank=True, verbose_name=_('Asset number'))
# Collect
vendor = models.CharField(max_length=64, null=True, blank=True,
verbose_name=_('Vendor'))
model = models.CharField(max_length=54, null=True, blank=True,
verbose_name=_('Model'))
sn = models.CharField(max_length=128, null=True, blank=True,
verbose_name=_('Serial number'))
cpu_model = models.CharField(max_length=64, null=True, blank=True,
verbose_name=_('CPU model'))
cpu_count = models.IntegerField(null=True, verbose_name=_('CPU count'))
cpu_cores = models.IntegerField(null=True, verbose_name=_('CPU cores'))
memory = models.CharField(max_length=64, null=True, blank=True,
verbose_name=_('Memory'))
disk_total = models.CharField(max_length=1024, null=True, blank=True,
verbose_name=_('Disk total'))
disk_info = models.CharField(max_length=1024, null=True, blank=True,
verbose_name=_('Disk info'))
os = models.CharField(max_length=128, null=True, blank=True,
verbose_name=_('OS'))
os_version = models.CharField(max_length=16, null=True, blank=True,
verbose_name=_('OS version'))
os_arch = models.CharField(max_length=16, blank=True, null=True,
verbose_name=_('OS arch'))
hostname_raw = models.CharField(max_length=128, blank=True, null=True,
verbose_name=_('Hostname raw'))
labels = models.ManyToManyField('assets.Label', blank=True,
related_name='assets',
verbose_name=_("Labels"))
created_by = models.CharField(max_length=32, null=True, blank=True,
verbose_name=_('Created by'))
date_created = models.DateTimeField(auto_now_add=True, null=True,
blank=True,
verbose_name=_('Date created'))
comment = models.TextField(max_length=128, default='', blank=True,
verbose_name=_('Comment'))
objects = OrgManager.from_queryset(AssetQuerySet)()
def __str__(self):
return '{0.hostname}({0.ip})'.format(self)
@property
def is_valid(self):
warning = ''
if not self.is_active:
warning += ' inactive'
else:
return True, ''
return False, warning
def is_unixlike(self):
if self.platform not in ("Windows", "Windows2016"):
return True
else:
return False
def get_nodes(self):
from .node import Node
nodes = self.nodes.all() or [Node.root()]
return nodes
def get_all_nodes(self, flat=False):
nodes = []
for node in self.get_nodes():
_nodes = node.get_ancestor(with_self=True)
_nodes.append(_nodes)
if flat:
nodes = list(reduce(lambda x, y: set(x) | set(y), nodes))
return nodes
@property
def org_name(self):
from orgs.models import Organization
org = Organization.get_instance(self.org_id)
return org.name
@property
def hardware_info(self):
if self.cpu_count:
return '{} Core {} {}'.format(
self.cpu_count * self.cpu_cores,
self.memory, self.disk_total
)
else:
return ''
@property
def is_connective(self):
if not self.is_unixlike():
return True
val = cache.get(ASSET_ADMIN_CONN_CACHE_KEY.format(self.hostname))
if val == 1:
return True
else:
return False
def to_json(self):
info = {
'id': self.id,
'hostname': self.hostname,
'ip': self.ip,
'port': self.port,
}
if self.domain and self.domain.gateway_set.all():
info["gateways"] = [d.id for d in self.domain.gateway_set.all()]
return info
def get_auth_info(self):
if self.admin_user:
return {
'username': self.admin_user.username,
'password': self.admin_user.password,
'private_key': self.admin_user.private_key_file,
'become': self.admin_user.become_info,
}
def _to_secret_json(self):
"""
Ansible use it create inventory, First using asset user,
otherwise using cluster admin user
Todo: May be move to ops implements it
"""
data = self.to_json()
if self.admin_user:
admin_user = self.admin_user
data.update({
'username': admin_user.username,
'password': admin_user.password,
'private_key': admin_user.private_key_file,
'become': admin_user.become_info,
'groups': [node.value for node in self.nodes.all()],
})
return data
class Meta:
unique_together = [('org_id', 'hostname')]
verbose_name = _("Asset")
@classmethod
def generate_fake(cls, count=100):
from random import seed, choice
import forgery_py
from django.db import IntegrityError
seed()
for i in range(count):
ip = [str(i) for i in random.sample(range(255), 4)]
asset = cls(ip='.'.join(ip),
hostname=forgery_py.internet.user_name(True),
admin_user=choice(AdminUser.objects.all()),
port=22,
created_by='Fake')
try:
asset.save()
asset.system_users = [choice(SystemUser.objects.all()) for i in range(3)]
logger.debug('Generate fake asset : %s' % asset.ip)
except IntegrityError:
print('Error continue')
continue