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"""
Facilities to manage the download of a secure-connect-bundle from an Astra DB
token.
"""
import logging
from typing import Optional
import requests
DEFAULT_GET_BUNDLE_URL_TEMPLATE = (
"https://api.astra.datastax.com/v2/databases/{database_id}/secureBundleURL"
)
logger = logging.getLogger(__name__)
def get_astra_bundle_url(
database_id: str, token: str, bundle_url_template: Optional[str] = None
) -> str:
"""
Given a database ID and a token, provide a (temporarily-valid)
URL for downloading the secure-connect-bundle.
Courtesy of @phact (thank you!).
"""
if not bundle_url_template:
bundle_url_template = DEFAULT_GET_BUNDLE_URL_TEMPLATE
url = bundle_url_template.format(database_id=database_id)
headers = {"Authorization": f"Bearer {token}", "Content-Type": "application/json"}
logger.debug(f"Obtaining SCB URL from: {url}")
response = requests.post(url, headers=headers)
logger.debug(f"SCB URL response: {response.text}")
response_json = response.json()
# Print the response
if response_json is not None:
if "errors" in response_json:
# Handle the errors
errors = response_json["errors"]
if any(
"jwt not valid" in (err.get("message") or "").lower() for err in errors
):
raise ValueError("Invalid or insufficient token.")
elif any(
"malformed" in (err.get("message") or "").lower() for err in errors
):
raise ValueError("Invalid or insufficient token.")
else:
raise ValueError(
"Generic error when fetching the URL to the secure-bundle."
)
else:
return str(response_json["downloadURL"])
else:
raise ValueError(
"Cannot get the secure-bundle URL. "
"Check the provided database_id and token."
)
def download_astra_bundle_url(
database_id: str,
token: str,
out_file_path: str,
bundle_url_template: Optional[str] = None,
) -> None:
"""
Obtain the secure-connect-bundle and save it to a specified file.
"""
bundle_url = get_astra_bundle_url(
database_id=database_id, token=token, bundle_url_template=bundle_url_template
)
logger.debug(f"Downloading SCB from: {bundle_url}")
bundle_data = requests.get(bundle_url)
with open(out_file_path, "wb") as f:
f.write(bundle_data.content)
return
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