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#1800 - Simplified a bunch of stuff in the file system in prep for services and applications. Started adding the database logic. Waiting for the software manager/session manager work from another ticket.

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This commit is contained in:
Chris McCarthy
2023-09-06 11:35:41 +01:00
parent 0493c2062c
commit 7c157d27d7
15 changed files with 540 additions and 628 deletions
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26
src/primaite/simulator/system/services/database.py
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@@ -1,12 +1,15 @@
from typing import Dict
from primaite.simulator.file_system.file_system_file_type import FileSystemFileType
from primaite.simulator.file_system.file_type import FileType
from primaite.simulator.network.hardware.base import Node
from primaite.simulator.system.services.service import Service
class DatabaseService(Service):
"""Service loosely modelled on Microsoft SQL Server."""
"""A generic SQL Server Service."""
def __init__(self, **kwargs):
super().__init__(**kwargs)
def describe_state(self) -> Dict:
"""
@@ -19,6 +22,10 @@ class DatabaseService(Service):
"""
return super().describe_state()
@classmethod
def install(cls, node: Node):
def uninstall(self) -> None:
"""
Undo installation procedure.
@@ -42,19 +49,10 @@ class DatabaseService(Service):
def _setup_files(
self,
db_size: int = 1000,
use_secondary_db_file: bool = False,
secondary_db_size: int = 300,
folder_name: str = "database",
):
"""Set up files that are required by the database on the parent host.
:param db_size: Initial file size of the main database file, defaults to 1000
:type db_size: int, optional
:param use_secondary_db_file: Whether to use a secondary database file, defaults to False
:type use_secondary_db_file: bool, optional
:param secondary_db_size: Size of the secondary db file, defaults to None
:type secondary_db_size: int, optional
:param folder_name: Name of the folder which will be setup to hold the db files, defaults to "database"
:type folder_name: str, optional
"""
@@ -63,14 +61,14 @@ class DatabaseService(Service):
self.parent: Node
self.folder = self.parent.file_system.create_folder(folder_name)
self.primary_store = self.parent.file_system.create_file(
"db_primary_store", db_size, FileSystemFileType.MDF, folder=self.folder
"db_primary_store", db_size, FileType.MDF, folder=self.folder
)
self.transaction_log = self.parent.file_system.create_file(
"db_transaction_log", "1", FileSystemFileType.LDF, folder=self.folder
"db_transaction_log", "1", FileType.LDF, folder=self.folder
)
if use_secondary_db_file:
self.secondary_store = self.parent.file_system.create_file(
"db_secondary_store", secondary_db_size, FileSystemFileType.NDF, folder=self.folder
"db_secondary_store", secondary_db_size, FileType.NDF, folder=self.folder
)
else:
self.secondary_store = None