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create_a_db_snapshot.py
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create_a_db_snapshot.py
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'''
Demonstrates using the Render API to create a database
backup and download it.
'''
from auth import post_request, get_request
import time
import requests
import urllib.parse
# Replace with your database's ID
DATABASE_ID = "db-1a2b3c4d5e6f"
BACKUP_ENDPOINT_PATH = f"/postgres/{DATABASE_ID}/backup"
# Get the current date/time without seconds in UTC
backup_timestamp = time.strftime("%Y-%m-%dT%H:%M:00Z", time.gmtime())
print(backup_timestamp)
# Start a backup
success, payload = post_request(BACKUP_ENDPOINT_PATH)
if not success:
print("Failed to initiate database backup.")
exit(1)
WAIT_TIME_SECONDS = 30
backup_url = ''
done = False
# Every 30 seconds, fetch recent backups until we
# observe a backup captured after backup_timestamp
while not done:
success, payload = get_request(BACKUP_ENDPOINT_PATH)
print(payload)
if success:
for backup in payload:
if backup["createdAt"] >= backup_timestamp:
backup_url = backup["url"]
done = True
break
else:
print(f'{backup["createdAt"]} precedes {backup_timestamp}')
time.sleep(WAIT_TIME_SECONDS)
# Fetch the backup from its URL
filename = urllib.parse.urlparse(backup_url).path.split("/")[-1]
r = requests.get(backup_url)
if r.status_code == 200:
with open(filename, "wb") as f:
f.write(r.content)
print("Backup created successfully.")