x/terracotta
Code Issues Proposed changes

Add resource DB model definition

Browse Source 
Add models:
1.Host
2.HostResourceUsage
3.VM
4.VmResourceUsage
5.VmMigration
6.HostState
7.HostOverload

Change-Id: Icfa44e9eb74961e0db12d46b5907f7126d22abf2
This commit is contained in:
wanghao 2015-05-07 20:38:13 +08:00
parent 219d6c1b23
commit 7fb1df7d04
1 changed files with 53 additions and 11 deletions

64
terracotta/db/sqlalchemy/models.py

@ -48,21 +48,22 @@ class TerracottaBase(models.TimestampMixin,
class Host(BASE, TerracottaBase): class Host(BASE, TerracottaBase):
__tablename__ = 'hosts' __tablename__ = 'hosts'
id = Column(Integer, primary_key=True) id = Column(Integer, primary_key=True)
host_name = Column(String(255)) host_name = Column(String(255), nullable=False)
cpu_mhz = Column(String(255)) cpu_mhz = Column(String(255), nullable=False)
cpu_cores = Column(String(255)) cpu_cores = Column(String(255), nullable=False)
cpu_vendor = Column(String(255)) cpu_vendor = Column(String(255), nullable=True)
ram = Column(Integer, nullable=False, default=0) ram = Column(Integer, nullable=False, default=0)
disabled = Column(Boolean, default=False) disabled = Column(Boolean, default=False)
disabled_reason = Column(String(255)) disabled_reason = Column(String(255), nullable=True)
class HostResourceUsage(BASE, TerracottaBase): class HostResourceUsage(BASE, TerracottaBase):
__tablename__ = 'host_resource_usage' __tablename__ = 'host_resource_usage'
id = Column(Integer, primary_key=True) id = Column(Integer, primary_key=True)
host_id = Column(String(255)) host_id = Column(String(255), nullable=False)
cpu_mhz = Column(String(255)) cpu_mhz = Column(String(255), nullable=False)
time_stamp = Column(DateTime)
host = relationship(Host, backref="host_resource_usage", host = relationship(Host, backref="host_resource_usage",
foreign_keys=host_id, foreign_keys=host_id,
primaryjoin='HostResourceUsage.host_id == Host.id') primaryjoin='HostResourceUsage.host_id == Host.id')
@ -76,9 +77,50 @@ class VM(BASE, TerracottaBase):
class VmResourceUsage(BASE, TerracottaBase): class VmResourceUsage(BASE, TerracottaBase):
__tablename__ = 'vm_resource_usage' __tablename__ = 'vm_resource_usage'
id = Column(Integer, primary_key=True) id = Column(Integer, primary_key=True)
vm_id = Column(String(255)) vm_id = Column(String(255), nullable=False)
cpu_mhz = Column(String(255)) cpu_mhz = Column(String(255))
time_stamp = Column(DateTime)
host = relationship(Host, backref="vm_resource_usage",
host = relationship(VM, backref="vm_resource_usage",
foreign_keys=vm_id, foreign_keys=vm_id,
primaryjoin='VmResourceUsage.vm_id == VM.id') primaryjoin='VmResourceUsage.vm_id == VM.id')
class VmMigration(BASE, TerracottaBase):
__tablename__ = 'vm_migrations'
id = Column(Integer, primary_key=True)
vm_id = Column(String(255), nullable=False)
host_id = Column(String(255), nullable=False)
time_stamp = Column(DateTime)
vm = relationship(VM, backref="vm_migrations",
foreign_keys=vm_id,
primaryjoin='vm_migrations.vm_id == VM.id')
host = relationship(Host, backref="vm_migrations",
foreign_keys=host_id,
primaryjoin='vm_migrations.host_id == Host.id')
class HostState(BASE, TerracottaBase):
__tablename__ = 'host_states'
id = Column(Integer, primary_key=True)
state = Column(Integer, nullable=False)
host_id = Column(String(255), nullable=False)
time_stamp = Column(DateTime)
host = relationship(Host, backref="host_states",
foreign_keys=host_id,
primaryjoin='host_states.host_id == Host.id')
class HostOverload(BASE, TerracottaBase):
__tablename__ = 'host_overload'
id = Column(Integer, primary_key=True)
host_id = Column(String(255), nullable=False)
time_stamp = Column(DateTime)
state = Column(Integer, nullable=False)
host = relationship(Host, backref="host_overload",
foreign_keys=host_id,
primaryjoin='host_overload.host_id == Host.id')