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August 2, 2023 10:47
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Script to use batch-write-item to copy a dynamodb table from one account to another
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#!/bin/bash | |
# Requires: aws cli and jq | |
set -eux | |
: ${OLD_TABLE:old_table} | |
: ${OLD_PROFILE:prod} | |
: ${NEW_TABLE=new_table} | |
: ${NEW_PROFILE:dev} | |
: ${REGION:eu-west-1} | |
COUNT=$(aws --region=$REGION \ | |
--profile=$OLD_PROFILE \ | |
dynamodb scan --table-name $OLD_TABLE --select "COUNT" | jq -r ".Count") | |
echo $COUNT | |
for i in `seq 0 25 $COUNT`; do | |
aws \ | |
--region=$REGION \ | |
--profile=dpp-planttofield-prod \ | |
dynamodb scan --table-name $OLD_TABLE \ | |
--select ALL_ATTRIBUTES \ | |
--page-size 500 \ | |
--max-items 100000 \ | |
--output json | jq -r "{ \"$NEW_TABLE\": [{ \"PutRequest\": { \"Item\": .Items[]}}][$i:$((i+25))]}" > $i.json | |
aws \ | |
--region=$REGION \ | |
--profile=dpp-planttofield-dev \ | |
dynamodb batch-write-item --request-items file://$i.json | |
done |
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