mirror of
https://github.com/neondatabase/neon.git
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810a355b9d
I used this while investigating a production issue, and seems like it could come handy in the future, too.
63 lines
1.5 KiB
Python
Executable File
63 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Script to download the basebackup from a pageserver to a tar file.
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#
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# This can be useful in disaster recovery.
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#
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import argparse
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import psycopg2
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from psycopg2.extensions import connection as PgConnection
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def main(args: argparse.Namespace):
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pageserver_connstr = args.pageserver_connstr
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tenant_id = args.tenant
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timeline_id = args.timeline
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lsn = args.lsn
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output_path = args.output_path
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psconn: PgConnection = psycopg2.connect(pageserver_connstr)
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psconn.autocommit = True
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output = open(output_path, "wb")
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with psconn.cursor() as pscur:
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pscur.copy_expert(f"basebackup {tenant_id} {timeline_id} {lsn}", output)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument(
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"--tenant-id",
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dest="tenant",
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required=True,
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help="Id of the tenant",
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)
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parser.add_argument(
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"--timeline-id",
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dest="timeline",
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required=True,
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help="Id of the timeline",
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)
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parser.add_argument(
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"--lsn",
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dest="lsn",
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required=True,
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help="LSN to take the basebackup at",
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)
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parser.add_argument(
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"--pageserver-connstr",
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dest="pageserver_connstr",
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required=True,
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help="libpq connection string of the pageserver",
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)
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parser.add_argument(
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"--output",
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dest="output_path",
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required=True,
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help="output path to write the basebackup to",
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)
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args = parser.parse_args()
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main(args)
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