romein/docker-volume-s3-backup
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Add restore script

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Romein van Buren 2025-05-04 18:03:15 +02:00
parent b462c54de6
commit cc24a7d123
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2 changed files with 10 additions and 12 deletions
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2
Dockerfile
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@ -22,6 +22,6 @@ ENV BACKUP_KEEP_DAYS ''
ADD src/run.sh run.sh ADD src/run.sh run.sh
ADD src/env.sh env.sh ADD src/env.sh env.sh
ADD src/backup.sh backup.sh ADD src/backup.sh backup.sh
# ADD src/restore.sh restore.sh -- not ready yet ADD src/restore.sh restore.sh
CMD ["sh", "run.sh"] CMD ["sh", "run.sh"]

20
src/restore__wip__.sh → src/restore.sh
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@ -8,18 +8,18 @@ source ./env.sh
s3_uri_base="s3://${S3_BUCKET}/${S3_PREFIX}" s3_uri_base="s3://${S3_BUCKET}/${S3_PREFIX}"
if [ -z "$PASSPHRASE" ]; then if [ -z "$PASSPHRASE" ]; then
file_type=".dump" file_type=".tar.gz"
else else
file_type=".dump.gpg" file_type=".tar.gz.gpg"
fi fi
if [ $# -eq 1 ]; then if [ $# -eq 1 ]; then
timestamp="$1" timestamp="$1"
key_suffix="${POSTGRES_DATABASE}_${timestamp}${file_type}" key_suffix="${BACKUP_NAME}_${timestamp}${file_type}"
else else
echo "Finding latest backup..." echo "Finding latest backup..."
key_suffix=$( key_suffix=$(
aws $aws_args s3 ls "${s3_uri_base}/${POSTGRES_DATABASE}" \ aws $aws_args s3 ls "${s3_uri_base}/${BACKUP_NAME}" \
| sort \ | sort \
| tail -n 1 \ | tail -n 1 \
| awk '{ print $4 }' | awk '{ print $4 }'
@ -27,18 +27,16 @@ else
fi fi
echo "Fetching backup from S3..." echo "Fetching backup from S3..."
aws $aws_args s3 cp "${s3_uri_base}/${key_suffix}" "db${file_type}" aws $aws_args s3 cp "${s3_uri_base}/${key_suffix}" "dump${file_type}"
if [ -n "$PASSPHRASE" ]; then if [ -n "$PASSPHRASE" ]; then
echo "Decrypting backup..." echo "Decrypting backup..."
gpg --decrypt --batch --passphrase "$PASSPHRASE" db.dump.gpg > db.dump gpg --decrypt --batch --passphrase "$PASSPHRASE" dump.tar.gz.gpg > dump.tar.gz
rm db.dump.gpg rm dump.tar.gz.gpg
fi fi
conn_opts="-h $POSTGRES_HOST -p $POSTGRES_PORT -U $POSTGRES_USER -d $POSTGRES_DATABASE"
echo "Restoring from backup..." echo "Restoring from backup..."
pg_restore $conn_opts --clean --if-exists db.dump tar -xzf dump.tar.gz -C /data --strip-components 1
rm db.dump rm dump.tar.gz
echo "Restore complete." echo "Restore complete."