fuel-web/nailgun/nailgun/api/models/node.py

266 lines
8.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2013 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from sqlalchemy import Boolean
from sqlalchemy import Column
from sqlalchemy import DateTime
from sqlalchemy import Enum
from sqlalchemy import ForeignKey
from sqlalchemy import Integer
from sqlalchemy import String
from sqlalchemy import Unicode
from sqlalchemy.orm import relationship, backref
from nailgun.api.models.base import Base
from nailgun.api.models.fields import JSON
from nailgun.api.models.fields import LowercaseString
from nailgun.api.models.network import AllowedNetworks
from nailgun.api.models.network import NetworkAssignment
from nailgun.db import db
from nailgun.logger import logger
from nailgun.volumes.manager import VolumeManager
class NodeRoles(Base):
__tablename__ = 'node_roles'
id = Column(Integer, primary_key=True)
role = Column(Integer, ForeignKey('roles.id', ondelete="CASCADE"))
node = Column(Integer, ForeignKey('nodes.id'))
class PendingNodeRoles(Base):
__tablename__ = 'pending_node_roles'
id = Column(Integer, primary_key=True)
role = Column(Integer, ForeignKey('roles.id', ondelete="CASCADE"))
node = Column(Integer, ForeignKey('nodes.id'))
class Role(Base):
__tablename__ = 'roles'
id = Column(Integer, primary_key=True)
release_id = Column(Integer, ForeignKey('releases.id', ondelete='CASCADE'))
name = Column(String(50), nullable=False)
class Node(Base):
__tablename__ = 'nodes'
NODE_STATUSES = (
'ready',
'discover',
'provisioning',
'provisioned',
'deploying',
'error'
)
NODE_ERRORS = (
'deploy',
'provision',
'deletion'
)
id = Column(Integer, primary_key=True)
cluster_id = Column(Integer, ForeignKey('clusters.id'))
name = Column(Unicode(100))
status = Column(
Enum(*NODE_STATUSES, name='node_status'),
nullable=False,
default='discover'
)
meta = Column(JSON, default={})
mac = Column(LowercaseString(17), nullable=False, unique=True)
ip = Column(String(15))
fqdn = Column(String(255))
manufacturer = Column(Unicode(50))
platform_name = Column(String(150))
progress = Column(Integer, default=0)
os_platform = Column(String(150))
pending_addition = Column(Boolean, default=False)
pending_deletion = Column(Boolean, default=False)
changes = relationship("ClusterChanges", backref="node")
error_type = Column(Enum(*NODE_ERRORS, name='node_error_type'))
error_msg = Column(String(255))
timestamp = Column(DateTime, nullable=False)
online = Column(Boolean, default=True)
role_list = relationship("Role", secondary=NodeRoles.__table__)
pending_role_list = relationship("Role",
secondary=PendingNodeRoles.__table__)
attributes = relationship("NodeAttributes",
backref=backref("node"),
uselist=False)
interfaces = relationship("NodeNICInterface", backref="node",
cascade="delete",
order_by="NodeNICInterface.id")
@property
def uid(self):
return str(self.id)
@property
def offline(self):
return not self.online
@property
def network_data(self):
from nailgun.network.manager import NetworkManager
netmanager = NetworkManager()
return netmanager.get_node_networks(self.id)
@property
def volume_manager(self):
return VolumeManager(self)
@property
def needs_reprovision(self):
return self.status == 'error' and self.error_type == 'provision' and \
not self.pending_deletion
@property
def needs_redeploy(self):
return (self.status == 'error' or len(self.pending_roles)) and \
not self.pending_deletion
@property
def needs_redeletion(self):
return self.status == 'error' and self.error_type == 'deletion'
@property
def human_readable_name(self):
return self.name or self.mac
@property
def full_name(self):
return u'%s (id=%s, mac=%s)' % (self.name, self.id, self.mac)
@property
def roles(self):
return [role.name for role in self.role_list]
@roles.setter
def roles(self, new_roles):
self.role_list = map(lambda role: Role(name=role), new_roles)
db().commit()
@property
def pending_roles(self):
return [role.name for role in self.pending_role_list]
@property
def all_roles(self):
"""Returns all roles, self.roles and self.pending_roles."""
return set(self.pending_roles + self.roles)
@pending_roles.setter
def pending_roles(self, new_roles):
self.pending_role_list = map(
lambda role: Role(name=role), new_roles)
db().commit()
@property
def admin_interface(self):
"""Iterate over interfaces, if admin subnet include
ip address of current interface then return this interface.
:raises: errors.CanNotFindInterface
"""
from nailgun.network.manager import NetworkManager
network_manager = NetworkManager()
for interface in self.interfaces:
ip_addr = interface.ip_addr
if network_manager.is_ip_belongs_to_admin_subnet(ip_addr):
return interface
logger.warning(u'Cannot find admin interface for node '
'return first interface: "%s"' %
self.full_name)
return self.interfaces[0]
def _check_interface_has_required_params(self, iface):
return bool(iface.get('name') and iface.get('mac'))
def _clean_iface(self, iface):
# cleaning up unnecessary fields - set to None if bad
for param in ["max_speed", "current_speed"]:
val = iface.get(param)
if not (isinstance(val, int) and val >= 0):
val = None
iface[param] = val
return iface
def update_meta(self, data):
# helper for basic checking meta before updation
result = []
for iface in data["interfaces"]:
if not self._check_interface_has_required_params(iface):
logger.warning(
"Invalid interface data: {0}. "
"Interfaces are not updated.".format(iface)
)
data["interfaces"] = self.meta.get("interfaces")
self.meta = data
return
result.append(self._clean_iface(iface))
data["interfaces"] = result
self.meta = data
def create_meta(self, data):
# helper for basic checking meta before creation
result = []
for iface in data["interfaces"]:
if not self._check_interface_has_required_params(iface):
logger.warning(
"Invalid interface data: {0}. "
"Skipping interface.".format(iface)
)
continue
result.append(self._clean_iface(iface))
data["interfaces"] = result
self.meta = data
class NodeAttributes(Base):
__tablename__ = 'node_attributes'
id = Column(Integer, primary_key=True)
node_id = Column(Integer, ForeignKey('nodes.id'))
volumes = Column(JSON, default=[])
interfaces = Column(JSON, default={})
class NodeNICInterface(Base):
__tablename__ = 'node_nic_interfaces'
id = Column(Integer, primary_key=True)
node_id = Column(
Integer,
ForeignKey('nodes.id', ondelete="CASCADE"),
nullable=False)
name = Column(String(128), nullable=False)
mac = Column(LowercaseString(17), nullable=False)
max_speed = Column(Integer)
current_speed = Column(Integer)
allowed_networks = relationship(
"NetworkGroup",
secondary=AllowedNetworks.__table__,
order_by="NetworkGroup.id")
assigned_networks = relationship(
"NetworkGroup",
secondary=NetworkAssignment.__table__,
order_by="NetworkGroup.id")
ip_addr = Column(String(25))
netmask = Column(String(25))
state = Column(String(25))