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@ -9,12 +9,13 @@ from django.utils.translation import ugettext_lazy as _
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from common.utils import get_logger, lazyproperty
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from orgs.mixins.models import OrgModelMixin
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from assets.models import Host
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from assets.models import Host, Platform
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from assets.const import GATEWAY_NAME
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from orgs.mixins.models import OrgManager
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logger = get_logger(__file__)
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__all__ = ['Domain']
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__all__ = ['Domain', 'Gateway']
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class Domain(OrgModelMixin):
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@ -33,10 +34,7 @@ class Domain(OrgModelMixin):
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@classmethod
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def get_gateway_queryset(cls):
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queryset = Host.objects.filter(
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platform__name=GATEWAY_NAME
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)
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return queryset
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return Gateway.objects.all()
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@lazyproperty
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def gateways(self):
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@ -55,63 +53,30 @@ class Domain(OrgModelMixin):
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return random.choice(self.gateways)
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class GatewayManager(OrgManager):
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def get_queryset(self):
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queryset = super().get_queryset()
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queryset = queryset.filter(platform__name=GATEWAY_NAME)
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return queryset
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def bulk_create(self, objs, batch_size=None, ignore_conflicts=False):
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platform = Gateway().default_platform
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for obj in objs:
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obj.platform_id = platform.id
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return super().bulk_create(objs, batch_size, ignore_conflicts)
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class Gateway(Host):
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objects = GatewayManager()
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class Meta:
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proxy = True
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def test_connective(self, local_port=None):
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if local_port is None:
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local_port = self.port
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client = paramiko.SSHClient()
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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proxy = paramiko.SSHClient()
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proxy.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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try:
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proxy.connect(self.ip, port=self.port,
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username=self.username,
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password=self.password,
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pkey=self.private_key_obj)
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except(paramiko.AuthenticationException,
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paramiko.BadAuthenticationType,
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paramiko.SSHException,
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paramiko.ChannelException,
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paramiko.ssh_exception.NoValidConnectionsError,
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socket.gaierror) as e:
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err = str(e)
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if err.startswith('[Errno None] Unable to connect to port'):
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err = _('Unable to connect to port {port} on {ip}')
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err = err.format(port=self.port, ip=self.ip)
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elif err == 'Authentication failed.':
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err = _('Authentication failed')
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elif err == 'Connect failed':
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err = _('Connect failed')
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self.is_connective = False
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return False, err
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try:
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sock = proxy.get_transport().open_channel(
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'direct-tcpip', ('127.0.0.1', local_port), ('127.0.0.1', 0)
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)
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client.connect("127.0.0.1", port=local_port,
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username=self.username,
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password=self.password,
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key_filename=self.private_key_file,
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sock=sock,
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timeout=5)
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except (paramiko.SSHException,
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paramiko.ssh_exception.SSHException,
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paramiko.ChannelException,
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paramiko.AuthenticationException,
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TimeoutError) as e:
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err = getattr(e, 'text', str(e))
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if err == 'Connect failed':
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err = _('Connect failed')
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self.is_connective = False
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return False, err
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finally:
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client.close()
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self.is_connective = True
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return True, None
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@lazyproperty
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def default_platform(self):
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return Platform.objects.get(name=GATEWAY_NAME, internal=True)
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def save(self, *args, **kwargs):
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platform = self.default_platform
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self.platform_id = platform.id
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return super().save(*args, **kwargs)
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