105 lines
3.2 KiB
Bash
Executable File
105 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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BACKUP=$1
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if [[ $BACKUP == "" ]]; then
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echo "No backup name given. It should look like '2020-01-29'."
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exit 1
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fi
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# Get current script directory (pwd doesn't cut it)
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csd=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
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# Set the environment:
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set -o allexport
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cat $csd/../.env | grep "AWS_ACCESS_KEY_ID\|AWS_SECRET_ACCESS_KEY\|S3_BACKUP_PATH\|SKYNET_DB_USER\|SKYNET_DB_PASS\|SKYNET_DB_HOST\|SKYNET_DB_PORT" >.tmpenv
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source .tmpenv
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rm .tmpenv
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set +o allexport
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# Check for AWS credentials:
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if [[ $AWS_ACCESS_KEY_ID == "" || $AWS_SECRET_ACCESS_KEY == "" ]]; then
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echo "Missing AWS credentials!"
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exit 1
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fi
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# Check for backup path:
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if [[ $S3_BACKUP_PATH == "" ]]; then
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echo "Missing S3_BACKUP_PATH!"
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exit 1
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fi
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### COCKROACH DB ###
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echo "Restoring CockroachDB."
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# Check if the backup exists:
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totalFoundObjects=$(aws s3 ls $S3_BACKUP_PATH/$BACKUP --recursive --summarize | grep "cockroach" | wc -l)
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if [ "$totalFoundObjects" -eq "0" ]; then
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echo "This backup doesn't exist!"
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exit 1
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fi
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# Restore the backup:
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docker exec cockroach \
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cockroach sql \
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--host cockroach:26257 \
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--certs-dir=/certs \
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--execute="ALTER DATABASE defaultdb RENAME TO defaultdb_backup;"
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if [[ $? > 0 ]]; then
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echo "Failed to rename existing CockroachDB database. Exiting."
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exit $?
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fi
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docker exec cockroach \
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cockroach sql \
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--host cockroach:26257 \
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--certs-dir=/certs \
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--execute="RESTORE DATABASE defaultdb FROM '$S3_BACKUP_PATH/$BACKUP/cockroach?AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID&AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY';"
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if [[ $? == 0 ]]; then
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# Restoration succeeded, drop the backup.
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docker exec cockroach \
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cockroach sql \
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--host cockroach:26257 \
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--certs-dir=/certs \
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--execute="DROP DATABASE defaultdb_backup;"
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echo "CockroachDB restoration succeeded."
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else
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# Restoration failed, drop the new DB and put back the old one.
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echo "CockroachDB restoration failed, rolling back."
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docker exec cockroach \
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cockroach sql \
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--host cockroach:26257 \
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--certs-dir=/certs \
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--execute="DROP DATABASE defaultdb;"
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docker exec cockroach \
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cockroach sql \
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--host cockroach:26257 \
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--certs-dir=/certs \
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--execute="ALTER DATABASE defaultdb_backup RENAME TO defaultdb;"
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if [[ $? > 0 ]]; then
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echo "ERROR: Rollback failed! Inspect manually!"
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exit $?
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else
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echo "Rollback successful. Restoration cancelled. Exiting."
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exit 0
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fi
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fi
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### MONGO DB ###
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# Check if the backup exists:
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totalFoundObjects=$(aws s3 ls $S3_BACKUP_PATH/$BACKUP --recursive --summarize | grep "mongo.tgz" | wc -l)
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if [ "$totalFoundObjects" -eq "0" ]; then
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echo "This backup doesn't exist!"
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exit 1
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fi
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# Get the backup from S3:
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aws s3 cp $S3_BACKUP_PATH/$BACKUP/mongo.tgz mongo.tgz
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# Prepare a clean `to_restore` dir:
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rm -rf $csd/../docker/data/mongo/db/backups/to_restore
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mkdir -p $csd/../docker/data/mongo/db/backups/to_restore
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# Decompress the backup:
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tar -xzf mongo.tgz -C $csd/../docker/data/mongo/db/backups/to_restore
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rm mongo.tgz
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# Restore the backup:
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# The name of the backup is not `mongo` due to the way we're creating it,
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# it's $BACKUP.
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docker exec mongo \
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mongorestore \
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mongodb://$SKYNET_DB_USER:$SKYNET_DB_PASS@$SKYNET_DB_HOST:$SKYNET_DB_PORT \
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/data/db/backups/to_restore/$BACKUP
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# Clean up:
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rm -rf $csd/../docker/data/mongo/db/backups/to_restore
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