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til/aws/list-rds-snapshots-with-matching-identifier-prefix.md

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List RDS Snapshots With Matching Identifier Prefix

I'm working on a script that manually creates a snapshot which it will then restore to a temporary database that I can scrub and dump. The snapshots that this script takes are manual and they are named with identifiers that have a defining prefix (dev-snapshot-). Besides the few snapshots created by this script, there are tons of automated snapshots that RDS creates for backup/recovery purposes.

I want to list any snapshots that have been created by the script. I can do this with the describe-db-snapshots command and some filters.

$ aws rds describe-db-snapshots \
  --snapshot-type manual \
  --query "DBSnapshots[?starts_with(DBSnapshotIdentifier, 'dev-snapshot-')].DBSnapshotIdentifier" \
  --no-cli-pager

[
    "dev-snapshot-20250327-155355"
]

There are two key pieces. The --snapshot-type manual filter excludes all those automated snapshots. The --query both filters to any snapshots whose identifier ?starts_with the prefix dev-snapshot- and then refines the output to just the DBSnapshotIdentifier instead of the entire JSON object.

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