python(models)

__author__ = "Alex Li"
from sqlalchemy import Table, Column, Enum,Integer,String,DATE, ForeignKey,UniqueConstraint
from sqlalchemy.orm import relationship
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy_utils import ChoiceType
from sqlalchemy import create_engine
# from sqlalchemy.orm import sessionmaker
Base = declarative_base()
user_m2m_bindhost = Table('user_m2m_bindhost', Base.metadata,
                        Column('userprofile_id', Integer, ForeignKey('user_profile.id')),
                        Column('bindhost_id', Integer, ForeignKey('bind_host.id')),
                        )
bindhost_m2m_hostgroup = Table('bindhost_m2m_hostgroup', Base.metadata,
                          Column('bindhost_id', Integer, ForeignKey('bind_host.id')),
                          Column('hostgroup_id', Integer, ForeignKey('host_group.id')),
                          )
user_m2m_hostgroup = Table('userprofile_m2m_hostgroup', Base.metadata,
                               Column('userprofile_id', Integer, ForeignKey('user_profile.id')),
                               Column('hostgroup_id', Integer, ForeignKey('host_group.id')),
                               )
class Host(Base):
    __tablename__ = 'host'
    id = Column(Integer,primary_key=True)
    hostname = Column(String(64),unique=True)
    ip = Column(String(64),unique=True)
    port = Column(Integer,default=22)
    def __repr__(self):
        return self.hostname
class HostGroup(Base):
    __tablename__ = 'host_group'
    id = Column(Integer, primary_key=True)
    name = Column(String(64), unique=True)
    bind_hosts = relationship("BindHost",secondary="bindhost_m2m_hostgroup",backref="host_groups")
    def __repr__(self):
        return self.name
class RemoteUser(Base):
    __tablename__ = 'remote_user'
    __table_args__ = (UniqueConstraint('auth_type', 'username','password', name='_user_passwd_uc'),)
    id = Column(Integer, primary_key=True)
    AuthTypes = [
        ('ssh-password','SSH/Password'),
        ('ssh-key','SSH/KEY'),
    ]
    auth_type = Column(ChoiceType(AuthTypes))
    username = Column(String(32))
    password = Column(String(128))
    def __repr__(self):
        return self.username
class BindHost(Base):
    '''
    192.168.1.11    web
    192.168.1.11    mysql
    '''
    __tablename__ = "bind_host"
    __table_args__ = (UniqueConstraint('host_id','remoteuser_id', name='_host_remoteuser_uc'),)
    id = Column(Integer, primary_key=True)
    host_id = Column(Integer,ForeignKey('host.id'))
    #group_id = Column(Integer,ForeignKey('group.id'))
    remoteuser_id = Column(Integer, ForeignKey('remote_user.id'))
    host = relationship("Host",backref="bind_hosts")
    #host_group = relationship("HostGroup",backref="bind_hosts")
    remote_user = relationship("RemoteUser",backref="bind_hosts")
    def __repr__(self):
        return "<%s -- %s >" %(self.host.ip,
                                   self.remote_user.username
                                  )
class UserProfile(Base):
    __tablename__ = 'user_profile'
    id = Column(Integer, primary_key=True)
    username = Column(String(32),unique=True)
    password = Column(String(128))
    bind_hosts = relationship("BindHost", secondary='user_m2m_bindhost',backref="user_profiles")
    host_groups = relationship("HostGroup",secondary="userprofile_m2m_hostgroup",backref="user_profiles")
    def __repr__(self):
        return self.username
# class AuditLog(Base):
#     pass
if __name__ == "__main__":
    engine = create_engine("mysql+pymysql://root:[email protected]/oldboydb?charset=utf8",
                           )
    Base.metadata.create_all(engine)  # 创建表结构

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