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import os |
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import time |
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from rag import settings |
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from rag.settings import azure_logger |
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from rag.utils import singleton |
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from azure.identity import ClientSecretCredential, AzureAuthorityHosts |
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from azure.storage.filedatalake import FileSystemClient |
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@singleton |
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class RAGFlowAzureSpnBlob(object): |
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def __init__(self): |
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self.conn = None |
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self.account_url = os.getenv('ACCOUNT_URL', settings.AZURE["account_url"]) |
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self.client_id = os.getenv('CLIENT_ID', settings.AZURE["client_id"]) |
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self.secret = os.getenv('SECRET', settings.AZURE["secret"]) |
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self.tenant_id = os.getenv('TENANT_ID', settings.AZURE["tenant_id"]) |
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self.container_name = os.getenv('CONTAINER_NAME', settings.AZURE["container_name"]) |
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self.__open__() |
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def __open__(self): |
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try: |
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if self.conn: |
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self.__close__() |
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except Exception as e: |
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pass |
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try: |
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credentials = ClientSecretCredential(tenant_id=self.tenant_id, client_id=self.client_id, client_secret=self.secret, authority=AzureAuthorityHosts.AZURE_CHINA) |
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self.conn = FileSystemClient(account_url=self.account_url, file_system_name=self.container_name, credential=credentials) |
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except Exception as e: |
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azure_logger.error( |
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"Fail to connect %s " % self.account_url + str(e)) |
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def __close__(self): |
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del self.conn |
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self.conn = None |
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def health(self): |
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bucket, fnm, binary = "txtxtxtxt1", "txtxtxtxt1", b"_t@@@1" |
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f = self.conn.create_file(fnm) |
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f.append_data(binary, offset=0, length=len(binary)) |
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return f.flush_data(len(binary)) |
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def put(self, bucket, fnm, binary): |
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for _ in range(3): |
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try: |
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f = self.conn.create_file(fnm) |
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f.append_data(binary, offset=0, length=len(binary)) |
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return f.flush_data(len(binary)) |
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except Exception as e: |
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azure_logger.error(f"Fail put {bucket}/{fnm}: " + str(e)) |
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self.__open__() |
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time.sleep(1) |
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def rm(self, bucket, fnm): |
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try: |
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self.conn.delete_file(fnm) |
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except Exception as e: |
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azure_logger.error(f"Fail rm {bucket}/{fnm}: " + str(e)) |
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def get(self, bucket, fnm): |
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for _ in range(1): |
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try: |
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client = self.conn.get_file_client(fnm) |
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r = client.download_file() |
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return r.read() |
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except Exception as e: |
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azure_logger.error(f"fail get {bucket}/{fnm}: " + str(e)) |
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self.__open__() |
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time.sleep(1) |
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return |
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def obj_exist(self, bucket, fnm): |
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try: |
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client = self.conn.get_file_client(fnm) |
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return client.exists() |
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except Exception as e: |
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azure_logger.error(f"Fail put {bucket}/{fnm}: " + str(e)) |
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return False |
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def get_presigned_url(self, bucket, fnm, expires): |
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for _ in range(10): |
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try: |
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return self.conn.get_presigned_url("GET", bucket, fnm, expires) |
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except Exception as e: |
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azure_logger.error(f"fail get {bucket}/{fnm}: " + str(e)) |
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self.__open__() |
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time.sleep(1) |
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return |
