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# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
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#
# http://www.apache.org/licenses/LICENSE-2.0
#
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import subprocess

from components.processor import Processor
from components.routerless.worker import VllmWorkerRouterLess
from components.worker import VllmWorker
from pydantic import BaseModel

from dynamo.sdk import depends, service
from dynamo.sdk.lib.config import ServiceConfig


class FrontendConfig(BaseModel):
    model: str
    endpoint: str
    port: int = 8080


@service(
    resources={"cpu": "10", "memory": "20Gi"},
    workers=1,
)
# todo this should be called ApiServer
class Frontend:
    worker = depends(VllmWorker)
    worker_routerless = depends(VllmWorkerRouterLess)
    processor = depends(Processor)

    def __init__(self):
        config = ServiceConfig.get_instance()
        frontend_config = FrontendConfig(**config.get("Frontend", {}))

        subprocess.run(
            ["llmctl", "http", "remove", "chat-models", frontend_config.model]
        )
        subprocess.run(
            [
                "llmctl",
                "http",
                "add",
                "chat-models",
                frontend_config.model,
                frontend_config.endpoint,
            ]
        )

        subprocess.run(
            ["http", "-p", str(frontend_config.port)], stdout=None, stderr=None
        )
