# Path: zoe_lib/config.py
# def get_conf() -> Namespace:
#     """Returns the conf singleton."""
#     return _CONF
# 
# Path: zoe_lib/state/base.py
# class BaseTable:
#     """Common abstraction for all tables."""
#     def __init__(self, sql_manager, table_name):
#         self.table_name = table_name
#         self.sql_manager = sql_manager
#         self.cursor = self.sql_manager.cursor()
# 
#     def create(self):
#         """Create this table."""
#         raise NotImplementedError
# 
#     def insert(self, **kwargs):
#         """Create a new record."""
#         raise NotImplementedError
# 
#     def delete(self, record_id):
#         """Delete a record from this table."""
#         query = 'DELETE FROM "{}" WHERE id = %s'.format(self.table_name)
#         self.cursor.execute(query, (record_id,))
#         self.sql_manager.commit()
# 
#     def update(self, record_id, **kwargs):
#         """Update the state of an execution."""
#         arg_list = []
#         value_list = []
#         for key, value in kwargs.items():
#             arg_list.append('{} = %s'.format(key))
#             value_list.append(value)
#         set_q = ", ".join(arg_list)
#         value_list.append(record_id)
#         q_base = 'UPDATE "{}" SET '.format(self.table_name) + set_q + ' WHERE id=%s'
#         query = self.cursor.mogrify(q_base, value_list)
#         self.cursor.execute(query)
#         self.sql_manager.commit()
# 
#     def select(self, only_one=False, limit=-1, **kwargs):
#         """Select records."""
#         raise NotImplementedError
# 
# class BaseRecord:
#     """
#     :type sql_manager: SQLManager
#     """
#     def __init__(self, d, sql_manager):
#         """
#         :type sql_manager: SQLManager
#         """
#         self.sql_manager = sql_manager
#         self.id = d['id']
# 
#     def serialize(self):
#         """Generates a dictionary that can be serialized in JSON."""
#         raise NotImplementedError


import logging
from zoe_lib.config import get_conf
from zoe_lib.state.base import BaseTable, BaseRecord
        else:
            self.shm = 0

    def __add__(self, other):
        if isinstance(other, ResourceReservation):
            res = {
                'memory': self.memory + other.memory,
                'cores': self.cores + other.cores,
                'shm': self.shm + other.shm
            }
            return ResourceReservation(res)
        else:
            return NotImplemented


class VolumeDescription:
    """A generic description for container volumes."""
    def __init__(self, vtype: str):
        self.type = vtype


class VolumeDescriptionHostPath(VolumeDescription):
    """Host-based volumes."""
    def __init__(self, name: str, path: str, readonly: bool):
        super().__init__("host_directory")
        self.path = path
        self.mount_point = '/mnt/' + name
        self.readonly = readonly



# Path: zoe_lib/config.py
# def get_conf() -> Namespace:
#     """Returns the conf singleton."""
#     return _CONF
# 
# Path: zoe_lib/state/base.py
# class BaseTable:
#     """Common abstraction for all tables."""
#     def __init__(self, sql_manager, table_name):
#         self.table_name = table_name
#         self.sql_manager = sql_manager
#         self.cursor = self.sql_manager.cursor()
# 
#     def create(self):
#         """Create this table."""
#         raise NotImplementedError
# 
#     def insert(self, **kwargs):
#         """Create a new record."""
#         raise NotImplementedError
# 
#     def delete(self, record_id):
#         """Delete a record from this table."""
#         query = 'DELETE FROM "{}" WHERE id = %s'.format(self.table_name)
#         self.cursor.execute(query, (record_id,))
#         self.sql_manager.commit()
# 
#     def update(self, record_id, **kwargs):
#         """Update the state of an execution."""
#         arg_list = []
#         value_list = []
#         for key, value in kwargs.items():
#             arg_list.append('{} = %s'.format(key))
#             value_list.append(value)
#         set_q = ", ".join(arg_list)
#         value_list.append(record_id)
#         q_base = 'UPDATE "{}" SET '.format(self.table_name) + set_q + ' WHERE id=%s'
#         query = self.cursor.mogrify(q_base, value_list)
#         self.cursor.execute(query)
#         self.sql_manager.commit()
# 
#     def select(self, only_one=False, limit=-1, **kwargs):
#         """Select records."""
#         raise NotImplementedError
# 
# class BaseRecord:
#     """
#     :type sql_manager: SQLManager
#     """
#     def __init__(self, d, sql_manager):
#         """
#         :type sql_manager: SQLManager
#         """
#         self.sql_manager = sql_manager
#         self.id = d['id']
# 
#     def serialize(self):
#         """Generates a dictionary that can be serialized in JSON."""
#         raise NotImplementedError


# Path: zoe_lib/state/service.py
import logging
from zoe_lib.config import get_conf
from zoe_lib.state.base import BaseTable, BaseRecord

        else:
            self.shm = 0

    def __add__(self, other):
        if isinstance(other, ResourceReservation):
            res = {
                'memory': self.memory + other.memory,
                'cores': self.cores + other.cores,
                'shm': self.shm + other.shm
            }
            return ResourceReservation(res)
        else:
            return NotImplemented


class VolumeDescription:
    """A generic description for container volumes."""
    def __init__(self, vtype: str):
        self.type = vtype


class VolumeDescriptionHostPath(VolumeDescription):
    """Host-based volumes."""
    def __init__(self, name: str, path: str, readonly: bool):
        super().__init__("host_directory")
        self.path = path
        self.mount_point = '/mnt/' + name
        self.readonly = readonly



class Service(BaseRecord):