Bruno Charest
05087aa380
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191 lines
7.2 KiB
Python
191 lines
7.2 KiB
Python
"""CRUD operations for Docker containers."""
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from datetime import datetime
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from typing import List, Optional
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from sqlalchemy import case, delete, func, select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models.docker_container import DockerContainer
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class DockerContainerRepository:
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"""Repository for Docker container CRUD operations."""
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def __init__(self, session: AsyncSession):
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self.session = session
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async def get(self, container_db_id: int) -> Optional[DockerContainer]:
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"""Get a container by its database ID."""
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result = await self.session.execute(
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select(DockerContainer).where(DockerContainer.id == container_db_id)
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)
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return result.scalar_one_or_none()
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async def get_by_container_id(self, host_id: str, container_id: str) -> Optional[DockerContainer]:
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"""Get a container by host ID and Docker container ID."""
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result = await self.session.execute(
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select(DockerContainer).where(
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DockerContainer.host_id == host_id,
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DockerContainer.container_id == container_id
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).limit(1)
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)
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return result.scalars().first()
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async def get_by_name(self, host_id: str, name: str) -> Optional[DockerContainer]:
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"""Get a container by host ID and container name."""
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result = await self.session.execute(
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select(DockerContainer).where(
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DockerContainer.host_id == host_id,
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DockerContainer.name == name
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).limit(1)
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)
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return result.scalars().first()
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async def list_by_host(
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self,
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host_id: str,
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state: Optional[str] = None,
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compose_project: Optional[str] = None
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) -> List[DockerContainer]:
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"""List all containers for a host with optional filters."""
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query = select(DockerContainer).where(DockerContainer.host_id == host_id)
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if state:
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query = query.where(DockerContainer.state == state)
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if compose_project:
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query = query.where(DockerContainer.compose_project == compose_project)
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query = query.order_by(DockerContainer.name)
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result = await self.session.execute(query)
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return list(result.scalars().all())
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async def count_by_host(self, host_id: str) -> dict:
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"""Count containers by state for a host."""
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result = await self.session.execute(
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select(
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func.count(DockerContainer.id).label('total'),
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func.sum(case((DockerContainer.state == 'running', 1), else_=0)).label('running')
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).where(DockerContainer.host_id == host_id)
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)
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row = result.one()
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return {
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"total": row.total or 0,
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"running": row.running or 0
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}
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async def upsert(
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self,
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host_id: str,
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container_id: str,
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name: str,
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image: Optional[str] = None,
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state: str = "unknown",
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status: Optional[str] = None,
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health: Optional[str] = None,
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created_at: Optional[datetime] = None,
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ports: Optional[dict] = None,
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labels: Optional[dict] = None,
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compose_project: Optional[str] = None
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) -> DockerContainer:
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"""Create or update a container using SQLite upsert."""
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from sqlalchemy.dialects.sqlite import insert as sqlite_insert
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stmt = sqlite_insert(DockerContainer).values(
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host_id=host_id,
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container_id=container_id,
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name=name,
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image=image,
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state=state,
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status=status,
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health=health,
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created_at=created_at,
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ports=ports,
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labels=labels,
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compose_project=compose_project,
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last_update_at=datetime.utcnow()
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)
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stmt = stmt.on_conflict_do_update(
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index_elements=['host_id', 'container_id'],
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set_={
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'name': stmt.excluded.name,
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'image': stmt.excluded.image,
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'state': stmt.excluded.state,
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'status': stmt.excluded.status,
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'health': stmt.excluded.health,
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'created_at': stmt.excluded.created_at,
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'ports': stmt.excluded.ports,
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'labels': stmt.excluded.labels,
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'compose_project': stmt.excluded.compose_project,
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'last_update_at': stmt.excluded.last_update_at
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}
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)
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await self.session.execute(stmt)
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# Return the upserted container
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return await self.get_by_container_id(host_id, container_id)
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async def delete_by_host(self, host_id: str) -> int:
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"""Delete all containers for a host."""
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result = await self.session.execute(
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delete(DockerContainer).where(DockerContainer.host_id == host_id)
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)
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return result.rowcount
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async def delete_stale(self, host_id: str, current_container_ids: List[str]) -> int:
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"""Delete containers that no longer exist on the host."""
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if not current_container_ids:
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return await self.delete_by_host(host_id)
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result = await self.session.execute(
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delete(DockerContainer).where(
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DockerContainer.host_id == host_id,
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DockerContainer.container_id.notin_(current_container_ids)
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)
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)
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return result.rowcount
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async def list_all(
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self,
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state: Optional[str] = None,
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compose_project: Optional[str] = None,
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health: Optional[str] = None,
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host_ids: Optional[List[str]] = None
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) -> List[DockerContainer]:
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"""List all containers across all hosts with optional filters."""
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query = select(DockerContainer)
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if state:
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query = query.where(DockerContainer.state == state)
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if compose_project:
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query = query.where(DockerContainer.compose_project == compose_project)
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if health:
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query = query.where(DockerContainer.health == health)
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if host_ids:
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query = query.where(DockerContainer.host_id.in_(host_ids))
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query = query.order_by(DockerContainer.host_id, DockerContainer.name)
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result = await self.session.execute(query)
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return list(result.scalars().all())
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async def count_all(self) -> dict:
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"""Count all containers by state across all hosts."""
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result = await self.session.execute(
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select(
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func.count(DockerContainer.id).label('total'),
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func.sum(case((DockerContainer.state == 'running', 1), else_=0)).label('running'),
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func.sum(case((DockerContainer.state == 'exited', 1), else_=0)).label('stopped'),
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func.sum(case((DockerContainer.state == 'paused', 1), else_=0)).label('paused'),
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func.count(func.distinct(DockerContainer.host_id)).label('hosts_count'),
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func.max(DockerContainer.last_update_at).label('last_update')
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)
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)
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row = result.one()
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return {
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"total": row.total or 0,
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"running": row.running or 0,
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"stopped": row.stopped or 0,
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"paused": row.paused or 0,
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"hosts_count": row.hosts_count or 0,
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"last_update": row.last_update
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}
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