You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.5 KiB
74 lines
2.5 KiB
import os
|
|
from datetime import datetime, timedelta, UTC
|
|
from functools import lru_cache
|
|
from pathlib import Path
|
|
from typing import IO
|
|
|
|
|
|
TOKEN_PATH = Path("/data/azure_token")
|
|
|
|
@lru_cache
|
|
def get_azure_credential():
|
|
if "AZURE_TOKEN" in os.environ:
|
|
return os.environ["AZURE_TOKEN"]
|
|
elif TOKEN_PATH.is_file():
|
|
return TOKEN_PATH.read_text().strip()
|
|
else:
|
|
from azure.identity import AzureCliCredential
|
|
return AzureCliCredential()
|
|
|
|
@lru_cache
|
|
def get_container_sas(account_name: str, container_name: str):
|
|
from azure.storage.blob import BlobServiceClient, ContainerSasPermissions, generate_container_sas
|
|
start_time = datetime.now(UTC).replace(tzinfo=None)
|
|
expiry_time = start_time + timedelta(hours=1)
|
|
blob_service = BlobServiceClient(
|
|
account_url=f"https://{account_name}.blob.core.windows.net",
|
|
credential=get_azure_credential(),
|
|
)
|
|
return generate_container_sas(
|
|
account_name,
|
|
container_name,
|
|
user_delegation_key=blob_service.get_user_delegation_key(start_time, expiry_time),
|
|
permission=ContainerSasPermissions(read=True, write=True, list=True),
|
|
expiry=expiry_time,
|
|
)
|
|
|
|
class AzureContainer:
|
|
def __init__(self, account, container):
|
|
self.ACCOUNT = account
|
|
self.CONTAINER = container
|
|
|
|
@property
|
|
def ACCOUNT_URL(self) -> str:
|
|
return f"https://{self.ACCOUNT}.blob.core.windows.net"
|
|
|
|
@property
|
|
def BASE_URL(self) -> str:
|
|
return f"{self.ACCOUNT_URL}/{self.CONTAINER}/"
|
|
|
|
def get_client_and_key(self):
|
|
from azure.storage.blob import ContainerClient
|
|
client = ContainerClient(self.ACCOUNT_URL, self.CONTAINER, credential=get_azure_credential())
|
|
key = get_container_sas(self.ACCOUNT, self.CONTAINER)
|
|
return client, key
|
|
|
|
def get_url(self, route_name: str, segment_num, log_type="rlog") -> str:
|
|
ext = "hevc" if log_type.endswith('camera') else "bz2"
|
|
return self.BASE_URL + f"{route_name.replace('|', '/')}/{segment_num}/{log_type}.{ext}"
|
|
|
|
def upload_bytes(self, data: bytes | IO, blob_name: str, overwrite=False) -> str:
|
|
from azure.storage.blob import BlobClient
|
|
blob = BlobClient(
|
|
account_url=self.ACCOUNT_URL,
|
|
container_name=self.CONTAINER,
|
|
blob_name=blob_name,
|
|
credential=get_azure_credential(),
|
|
overwrite=overwrite,
|
|
)
|
|
blob.upload_blob(data, overwrite=overwrite)
|
|
return self.BASE_URL + blob_name
|
|
|
|
def upload_file(self, path: str | os.PathLike, blob_name: str, overwrite=False) -> str:
|
|
with open(path, "rb") as f:
|
|
return self.upload_bytes(f, blob_name, overwrite)
|
|
|