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improvement(restore): script for restoring from backup file
Longhorn 1521 Signed-off-by: Ray Chang <ray.chang@suse.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| #!/bin/bash | ||
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| export RED='\x1b[0;31m' | ||
| export NO_COLOR='\x1b[0m' | ||
|
|
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| usage () { | ||
| echo "USAGE: $0 --aws-access-key <your_aws_access_key> \ " | ||
| echo " --aws-secret-access-key <your_aws_secret_access_key> \ " | ||
| echo " --backup-url s3://backupbucket@ap-northeast-1/backupstore?backup=<backup_name>&volume=<volume_name> \ " | ||
| echo " --target-directory /tmp/restore/volume.raw \ " | ||
| echo " --output-format raw \ " | ||
| echo " --backing-file <backing_file_path>" | ||
| echo "Restore a Longhorn backup to a raw image or a qcow2 image." | ||
| echo "" | ||
| echo " -u, --backup-url (Required) Backups S3/NFS URL. e.g., s3://backupbucket@us-east-1/backupstore?backup=backup-bd326da2c4414b02&volume=volumeexamplename" | ||
| echo " -o, --output-file (Required) Output file, e.g., /tmp/restore/volume.raw" | ||
| echo " -f, --output-format (Required) Output file format, e.g., raw or qcow2" | ||
| echo " -v, --version (Required) Longhorn version, e.g., v1.3.2" | ||
| echo " --aws-access-key (Optional) AWS credentials access key" | ||
| echo " --aws-secret-access-key (Optional) AWS credentials access secret key" | ||
| echo " -b, --backing-file (Optional) backing image. e.g., /tmp/backingfile.qcow2" | ||
| echo " -h, --help Usage message" | ||
| } | ||
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| error_invalid_params() { | ||
| echo -e "${RED}[ERROR]Invalid params. Check the required params.${NO_COLOR}" | ||
| usage | ||
| exit 1 | ||
| } | ||
|
|
||
| while [[ "$#" -gt 0 ]]; do | ||
| key="$1" | ||
| case $key in | ||
| --aws-access-key) | ||
| aws_access_key="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| --aws-secret-access-key) | ||
| aws_secret_access_key="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| -u|--backup-url) | ||
| backup_url="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| -o|--output-file) | ||
| output_file="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| -f|--output-format) | ||
| output_format="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| -b|--backing-file) | ||
| backing_file="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| -v|--version) | ||
| version="$2" | ||
| shift # past argument | ||
| shift # past value | ||
| ;; | ||
| -h|--help) | ||
| usage | ||
| exit 0 | ||
| shift | ||
| ;; | ||
| *) | ||
| error_invalid_params | ||
| ;; | ||
| esac | ||
| done | ||
|
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| # Check the required parameters exits | ||
| if [ -z "${backup_url}" ] || [ -z "${output_file}" ] || [ -z "${output_format}" ] || [ -z "${version}" ]; then | ||
| error_invalid_params | ||
| fi | ||
| if [[ "${backup_url}" =~ ^[Ss]3 ]]; then | ||
| if [ -z "${aws_access_key}" ] || [ -z "${aws_secret_access_key}" ]; then | ||
| error_invalid_params | ||
| fi | ||
| fi | ||
|
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| # Compose the docker arguments | ||
| if [[ "${backup_url}" =~ ^[Ss]3 ]]; then | ||
| CUSTOMIZED_ARGS="-e AWS_ACCESS_KEY_ID="${aws_access_key}" -e AWS_SECRET_ACCESS_KEY="${aws_secret_access_key}" " | ||
| else | ||
| CUSTOMIZED_ARGS="--cap-add SYS_ADMIN --security-opt apparmor:unconfined" | ||
| fi | ||
|
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| # Start restoring a backup to an image file. | ||
| docker run ${CUSTOMIZED_ARGS} -v /tmp/restore:/tmp/restore \ | ||
| longhornio/longhorn-engine:"${version}" longhorn backup \ | ||
| restore-to-file ""${backup_url}"" \ | ||
| --output-file "/tmp/restore/${output_file}" \ | ||
| --output-format "${output_format}" \ | ||
| --backing-file "${backing_file}" |