653 lines
20 KiB
Python
653 lines
20 KiB
Python
# Copyright 2013 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# -*- coding: utf-8 -*-
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import re
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import uuid
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import string
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import math
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from datetime import datetime
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from random import choice
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from copy import deepcopy
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import web
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from netaddr import IPNetwork
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from sqlalchemy import Column, UniqueConstraint, Table
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from sqlalchemy import Integer, String, Unicode, Text, Boolean, Float
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from sqlalchemy import ForeignKey, Enum, DateTime
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from sqlalchemy import create_engine
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from sqlalchemy.orm import relationship, backref
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from sqlalchemy.ext.declarative import declarative_base
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from nailgun.logger import logger
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from nailgun.db import orm
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from nailgun.volumes.manager import VolumeManager
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from nailgun.api.fields import JSON
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from nailgun.settings import settings
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Base = declarative_base()
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class Release(Base):
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__tablename__ = 'releases'
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__table_args__ = (
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UniqueConstraint('name', 'version'),
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)
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id = Column(Integer, primary_key=True)
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name = Column(Unicode(100), nullable=False)
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version = Column(String(30), nullable=False)
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description = Column(Unicode)
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networks_metadata = Column(JSON, default=[])
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attributes_metadata = Column(JSON, default={})
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volumes_metadata = Column(JSON, default={})
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clusters = relationship("Cluster", backref="release")
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class ClusterChanges(Base):
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__tablename__ = 'cluster_changes'
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POSSIBLE_CHANGES = (
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'networks',
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'attributes',
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'disks'
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)
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id = Column(Integer, primary_key=True)
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cluster_id = Column(Integer, ForeignKey('clusters.id'))
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node_id = Column(Integer, ForeignKey('nodes.id', ondelete='CASCADE'))
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name = Column(
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Enum(*POSSIBLE_CHANGES, name='possible_changes'),
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nullable=False
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)
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class Cluster(Base):
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__tablename__ = 'clusters'
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MODES = ('singlenode', 'multinode', 'ha')
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STATUSES = ('new', 'deployment', 'operational', 'error', 'remove')
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NET_MANAGERS = ('FlatDHCPManager', 'VlanManager')
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id = Column(Integer, primary_key=True)
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mode = Column(
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Enum(*MODES, name='cluster_mode'),
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nullable=False,
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default='multinode'
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)
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status = Column(
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Enum(*STATUSES, name='cluster_status'),
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nullable=False,
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default='new'
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)
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net_manager = Column(
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Enum(*NET_MANAGERS, name='cluster_net_manager'),
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nullable=False,
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default='FlatDHCPManager'
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)
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name = Column(Unicode(50), unique=True, nullable=False)
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release_id = Column(Integer, ForeignKey('releases.id'), nullable=False)
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nodes = relationship("Node", backref="cluster", cascade="delete")
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tasks = relationship("Task", backref="cluster", cascade="delete")
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attributes = relationship("Attributes", uselist=False,
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backref="cluster", cascade="delete")
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changes = relationship("ClusterChanges", backref="cluster",
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cascade="delete")
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# We must keep all notifications even if cluster is removed.
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# It is because we want user to be able to see
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# the notification history so that is why we don't use
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# cascade="delete" in this relationship
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# During cluster deletion sqlalchemy engine will set null
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# into cluster foreign key column of notification entity
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notifications = relationship("Notification", backref="cluster")
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network_groups = relationship("NetworkGroup", backref="cluster",
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cascade="delete")
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@classmethod
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def validate(cls, data):
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d = cls.validate_json(data)
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if d.get("name"):
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if orm().query(Cluster).filter_by(
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name=d["name"]
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).first():
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c = web.webapi.conflict
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c.message = "Environment with this name already exists"
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raise c()
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if d.get("release"):
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release = orm().query(Release).get(d.get("release"))
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if not release:
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raise web.webapi.badrequest(message="Invalid release id")
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return d
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def add_pending_changes(self, changes_type, node_id=None):
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ex_chs = orm().query(ClusterChanges).filter_by(
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cluster=self,
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name=changes_type
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)
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if not node_id:
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ex_chs = ex_chs.first()
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else:
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ex_chs = ex_chs.filter_by(node_id=node_id).first()
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# do nothing if changes with the same name already pending
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if ex_chs:
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return
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ch = ClusterChanges(
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cluster_id=self.id,
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name=changes_type
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)
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if node_id:
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ch.node_id = node_id
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orm().add(ch)
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orm().commit()
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def clear_pending_changes(self, node_id=None):
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chs = orm().query(ClusterChanges).filter_by(
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cluster_id=self.id
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)
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if node_id:
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chs = chs.filter_by(node_id=node_id)
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map(orm().delete, chs.all())
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orm().commit()
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class Node(Base):
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__tablename__ = 'nodes'
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NODE_STATUSES = (
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'ready',
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'discover',
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'provisioning',
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'provisioned',
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'deploying',
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'error'
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)
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NODE_ROLES = (
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'controller',
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'compute',
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'cinder',
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)
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NODE_ERRORS = (
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'deploy',
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'provision',
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'deletion'
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)
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id = Column(Integer, primary_key=True)
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cluster_id = Column(Integer, ForeignKey('clusters.id'))
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name = Column(Unicode(100))
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status = Column(
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Enum(*NODE_STATUSES, name='node_status'),
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nullable=False,
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default='discover'
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)
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meta = Column(JSON, default={})
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mac = Column(String(17), nullable=False, unique=True)
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ip = Column(String(15))
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fqdn = Column(String(255))
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manufacturer = Column(Unicode(50))
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platform_name = Column(String(150))
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progress = Column(Integer, default=0)
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os_platform = Column(String(150))
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role = Column(Enum(*NODE_ROLES, name='node_role'))
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pending_addition = Column(Boolean, default=False)
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pending_deletion = Column(Boolean, default=False)
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changes = relationship("ClusterChanges", backref="node")
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error_type = Column(Enum(*NODE_ERRORS, name='node_error_type'))
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error_msg = Column(String(255))
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timestamp = Column(DateTime, nullable=False)
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online = Column(Boolean, default=True)
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attributes = relationship("NodeAttributes",
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backref=backref("node"),
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uselist=False)
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interfaces = relationship("NodeNICInterface", backref="node",
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cascade="delete")
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@property
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def network_data(self):
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# It is required for integration tests; to get info about nets
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# which must be created on target node
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from nailgun.network.manager import NetworkManager
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netmanager = NetworkManager()
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return netmanager.get_node_networks(self.id)
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@property
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def volume_manager(self):
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return VolumeManager(self)
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@property
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def needs_reprovision(self):
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return self.status == 'error' and self.error_type == 'provision'
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@property
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def needs_redeploy(self):
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changes = []
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if self.cluster is not None:
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def check_change(change):
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return change.name != 'disks' or change.node_id == self.id
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changes = filter(check_change, self.cluster.changes)
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cases = [
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self.status == 'error' and self.error_type == 'deploy',
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changes != []
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]
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and_cases = [
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not self.pending_deletion
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]
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return any(cases) and all(and_cases)
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@property
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def needs_redeletion(self):
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return self.status == 'error' and self.error_type == 'deletion'
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@property
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def human_readable_name(self):
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return self.name or self.mac
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class NodeAttributes(Base):
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__tablename__ = 'node_attributes'
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id = Column(Integer, primary_key=True)
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node_id = Column(Integer, ForeignKey('nodes.id'))
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volumes = Column(JSON, default=[])
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interfaces = Column(JSON, default={})
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class IPAddr(Base):
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__tablename__ = 'ip_addrs'
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id = Column(Integer, primary_key=True)
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network = Column(Integer, ForeignKey('networks.id', ondelete="CASCADE"))
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node = Column(Integer, ForeignKey('nodes.id', ondelete="CASCADE"))
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ip_addr = Column(String(25), nullable=False)
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class IPAddrRange(Base):
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__tablename__ = 'ip_addr_ranges'
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id = Column(Integer, primary_key=True)
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network_group_id = Column(Integer, ForeignKey('network_groups.id'))
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first = Column(String(25), nullable=False)
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last = Column(String(25), nullable=False)
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class Vlan(Base):
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__tablename__ = 'vlan'
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id = Column(Integer, primary_key=True)
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network = relationship("Network",
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backref=backref("vlan"))
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class Network(Base):
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__tablename__ = 'networks'
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id = Column(Integer, primary_key=True)
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# can be nullable only for fuelweb admin net
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release = Column(Integer, ForeignKey('releases.id'))
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name = Column(Unicode(100), nullable=False)
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access = Column(String(20), nullable=False)
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vlan_id = Column(Integer, ForeignKey('vlan.id'))
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network_group_id = Column(Integer, ForeignKey('network_groups.id'))
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cidr = Column(String(25), nullable=False)
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gateway = Column(String(25))
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nodes = relationship(
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"Node",
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secondary=IPAddr.__table__,
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backref="networks")
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class NetworkGroup(Base):
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__tablename__ = 'network_groups'
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NAMES = (
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# Node networks
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'fuelweb_admin',
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'storage',
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# internal in terms of fuel
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'management',
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'public',
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# VM networks
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'floating',
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# private in terms of fuel
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'fixed'
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)
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id = Column(Integer, primary_key=True)
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name = Column(Enum(*NAMES, name='network_group_name'), nullable=False)
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access = Column(String(20), nullable=False)
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# can be nullable only for fuelweb admin net
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release = Column(Integer, ForeignKey('releases.id'))
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# can be nullable only for fuelweb admin net
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cluster_id = Column(Integer, ForeignKey('clusters.id'))
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network_size = Column(Integer, default=256)
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amount = Column(Integer, default=1)
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vlan_start = Column(Integer, default=1)
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networks = relationship("Network", cascade="delete",
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backref="network_group")
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cidr = Column(String(25))
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gateway = Column(String(25))
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netmask = Column(String(25), nullable=False)
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ip_ranges = relationship(
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"IPAddrRange",
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backref="network_group"
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)
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@classmethod
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def generate_vlan_ids_list(cls, ng):
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vlans = [
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i for i in xrange(
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int(ng["vlan_start"]),
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int(ng["vlan_start"]) + int(ng["amount"])
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)
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]
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return vlans
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class NetworkConfiguration(object):
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@classmethod
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def update(cls, cluster, network_configuration):
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from nailgun.network.manager import NetworkManager
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network_manager = NetworkManager()
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if 'net_manager' in network_configuration:
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setattr(
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cluster,
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'net_manager',
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network_configuration['net_manager'])
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if 'networks' in network_configuration:
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for ng in network_configuration['networks']:
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ng_db = orm().query(NetworkGroup).get(ng['id'])
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for key, value in ng.iteritems():
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if key == "ip_ranges":
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cls.__set_ip_ranges(ng['id'], value)
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else:
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if key == 'cidr' and \
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not ng['name'] in ('public', 'floating'):
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network_manager.update_ranges_from_cidr(
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ng_db, value)
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setattr(ng_db, key, value)
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network_manager.create_networks(ng_db)
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ng_db.cluster.add_pending_changes('networks')
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@classmethod
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def __set_ip_ranges(cls, network_group_id, ip_ranges):
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# deleting old ip ranges
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orm().query(IPAddrRange).filter_by(
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network_group_id=network_group_id).delete()
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for r in ip_ranges:
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new_ip_range = IPAddrRange(
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first=r[0],
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last=r[1],
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network_group_id=network_group_id)
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orm().add(new_ip_range)
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orm().commit()
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class AttributesGenerators(object):
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@classmethod
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def password(cls, arg=None):
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try:
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length = int(arg)
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except:
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length = 8
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chars = string.letters + string.digits
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return u''.join([choice(chars) for _ in xrange(length)])
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@classmethod
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def ip(cls, arg=None):
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if str(arg) in ("admin", "master"):
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return settings.MASTER_IP
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return "127.0.0.1"
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@classmethod
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def identical(cls, arg=None):
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return str(arg)
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class Attributes(Base):
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__tablename__ = 'attributes'
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id = Column(Integer, primary_key=True)
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cluster_id = Column(Integer, ForeignKey('clusters.id'))
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editable = Column(JSON)
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generated = Column(JSON)
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def generate_fields(self):
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self.generated = self.traverse(self.generated)
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orm().add(self)
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orm().commit()
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@classmethod
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def traverse(cls, cdict):
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new_dict = {}
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if cdict:
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for i, val in cdict.iteritems():
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if isinstance(val, dict) and "generator" in val:
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try:
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generator = getattr(
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AttributesGenerators,
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val["generator"]
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)
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except AttributeError:
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logger.error("Attribute error: %s" % val["generator"])
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raise
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else:
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new_dict[i] = generator(val.get("generator_arg"))
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else:
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new_dict[i] = cls.traverse(val)
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return new_dict
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def merged_attrs(self):
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return self._dict_merge(self.generated, self.editable)
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def merged_attrs_values(self):
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attrs = self.merged_attrs()
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for group_attrs in attrs.itervalues():
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for attr, value in group_attrs.iteritems():
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if isinstance(value, dict) and 'value' in value:
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group_attrs[attr] = value['value']
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if 'common' in attrs:
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attrs.update(attrs.pop('common'))
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return attrs
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def _dict_merge(self, a, b):
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'''recursively merges dict's. not just simple a['key'] = b['key'], if
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both a and bhave a key who's value is a dict then dict_merge is called
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on both values and the result stored in the returned dictionary.'''
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if not isinstance(b, dict):
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return b
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result = deepcopy(a)
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for k, v in b.iteritems():
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if k in result and isinstance(result[k], dict):
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result[k] = self._dict_merge(result[k], v)
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else:
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result[k] = deepcopy(v)
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return result
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class Task(Base):
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__tablename__ = 'tasks'
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TASK_STATUSES = (
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'ready',
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'running',
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'error'
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)
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TASK_NAMES = (
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'super',
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'deploy',
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'deployment',
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'check_before_deployment',
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'provision',
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'node_deletion',
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'cluster_deletion',
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'check_networks',
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'verify_networks'
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)
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id = Column(Integer, primary_key=True)
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cluster_id = Column(Integer, ForeignKey('clusters.id'))
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uuid = Column(String(36), nullable=False,
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default=lambda: str(uuid.uuid4()))
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name = Column(
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Enum(*TASK_NAMES, name='task_name'),
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nullable=False,
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default='super'
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)
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message = Column(Text)
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status = Column(
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Enum(*TASK_STATUSES, name='task_status'),
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nullable=False,
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default='running'
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)
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progress = Column(Integer, default=0)
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cache = Column(JSON, default={})
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result = Column(JSON, default={})
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parent_id = Column(Integer, ForeignKey('tasks.id'))
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subtasks = relationship(
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"Task",
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backref=backref('parent', remote_side=[id])
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)
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notifications = relationship(
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"Notification",
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backref=backref('task', remote_side=[id])
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)
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# Task weight is used to calculate supertask progress
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# sum([t.progress * t.weight for t in supertask.subtasks]) /
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# sum([t.weight for t in supertask.subtasks])
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weight = Column(Float, default=1.0)
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def __repr__(self):
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return "<Task '{0}' {1} ({2}) {3}>".format(
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self.name,
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self.uuid,
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self.cluster_id,
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self.status
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)
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def create_subtask(self, name):
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if not name:
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raise ValueError("Subtask name not specified")
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task = Task(name=name, cluster=self.cluster)
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self.subtasks.append(task)
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orm().commit()
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return task
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class Notification(Base):
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__tablename__ = 'notifications'
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NOTIFICATION_STATUSES = (
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'read',
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'unread',
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)
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NOTIFICATION_TOPICS = (
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'discover',
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'done',
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'error',
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)
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id = Column(Integer, primary_key=True)
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cluster_id = Column(
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Integer,
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ForeignKey('clusters.id', ondelete='SET NULL')
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)
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node_id = Column(Integer, ForeignKey('nodes.id', ondelete='SET NULL'))
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task_id = Column(Integer, ForeignKey('tasks.id', ondelete='SET NULL'))
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topic = Column(
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Enum(*NOTIFICATION_TOPICS, name='notif_topic'),
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nullable=False
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)
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message = Column(Text)
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status = Column(
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Enum(*NOTIFICATION_STATUSES, name='notif_status'),
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nullable=False,
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default='unread'
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)
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datetime = Column(DateTime, nullable=False)
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class L2Topology(Base):
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__tablename__ = 'l2_topologies'
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id = Column(Integer, primary_key=True)
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network_id = Column(
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Integer,
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ForeignKey('network_groups.id', ondelete="CASCADE"),
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nullable=False
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)
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class L2Connection(Base):
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__tablename__ = 'l2_connections'
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id = Column(Integer, primary_key=True)
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topology_id = Column(
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Integer,
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ForeignKey('l2_topologies.id', ondelete="CASCADE"),
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nullable=False
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)
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interface_id = Column(
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Integer,
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# If interface is removed we should somehow remove
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# all L2Topologes which include this interface.
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ForeignKey('node_nic_interfaces.id', ondelete="CASCADE"),
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nullable=False
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)
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class AllowedNetworks(Base):
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__tablename__ = 'allowed_networks'
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id = Column(Integer, primary_key=True)
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network_id = Column(
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Integer,
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ForeignKey('network_groups.id', ondelete="CASCADE"),
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nullable=False
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)
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interface_id = Column(
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Integer,
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ForeignKey('node_nic_interfaces.id', ondelete="CASCADE"),
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nullable=False
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)
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class NetworkAssignment(Base):
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__tablename__ = 'net_assignments'
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id = Column(Integer, primary_key=True)
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network_id = Column(
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Integer,
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ForeignKey('network_groups.id', ondelete="CASCADE"),
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nullable=False
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)
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interface_id = Column(
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Integer,
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ForeignKey('node_nic_interfaces.id', ondelete="CASCADE"),
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nullable=False
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)
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class NodeNICInterface(Base):
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__tablename__ = 'node_nic_interfaces'
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id = Column(Integer, primary_key=True)
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node_id = Column(
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Integer,
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ForeignKey('nodes.id', ondelete="CASCADE"),
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nullable=False
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)
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name = Column(String(128), nullable=False)
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mac = Column(String(32), nullable=False)
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max_speed = Column(Integer)
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current_speed = Column(Integer)
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allowed_networks = relationship(
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"NetworkGroup",
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secondary=AllowedNetworks.__table__,
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)
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assigned_networks = relationship(
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"NetworkGroup",
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secondary=NetworkAssignment.__table__,
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)
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