Lxmin - Backup and Restore LXC instances from MinIO

lxmin

Backup and restore LXC instances from MinIO

Usage

NAME:
  lxmin - backup and restore LXC instances from MinIO

USAGE:
  lxmin [FLAGS] COMMAND [COMMAND FLAGS | -h] [ARGUMENTS...]

COMMANDS:
  backup      backup an instance image to MinIO
  restore     restore an instance image from MinIO
  list, ls    list all backups from MinIO
  delete, rm  deletes a specific backup by 'name' for an instance from MinIO

GLOBAL FLAGS:
  --endpoint value    endpoint for S3 API call(s) [$LXMIN_ENDPOINT]
  --bucket value      bucket on MinIO to save/restore backup(s) [$LXMIN_BUCKET]
  --access-key value  access key credential for S3 API [$LXMIN_ACCESS_KEY]
  --secret-key value  secret key credential for S3 API [$LXMIN_SECRET_KEY]
  --help, -h          show help

Setup

Enable MinIO endpoint, bucket and access credentials.

export LXMIN_ENDPOINT=http://localhost:9000
export LXMIN_BUCKET="backups"
export LXMIN_ACCESS_KEY="minioadmin"
export LXMIN_SECRET_KEY="minioadmin"

Create a backup

lxmin backup u2
Exporting backup from lxc backup_2022-02-16-04-1040.tar.gz... Done
Uploading backup_2022-02-16-04-1040.tar.gz [==========================================================================================================================] 101.25 MiB/s

List all backups

lxmin list u2
+----------+----------------------------------+-------------------------------+---------+
| INSTANCE |               NAME               |            CREATED            |  SIZE   |
+----------+----------------------------------+-------------------------------+---------+
| u2       | backup_2022-02-15-18-2642.tar.gz | Tue, 15 Feb 2022 18:28:04 GMT | 653 MiB |
| u2       | backup_2022-02-15-18-4259.tar.gz | Tue, 15 Feb 2022 18:44:21 GMT | 653 MiB |
| u2       | backup_2022-02-15-21-0930.tar.gz | Tue, 15 Feb 2022 21:10:53 GMT | 654 MiB |
| u2       | backup_2022-02-16-04-0841.tar.gz | Wed, 16 Feb 2022 04:10:05 GMT | 654 MiB |
| u2       | backup_2022-02-16-04-1040.tar.gz | Wed, 16 Feb 2022 04:12:04 GMT | 654 MiB |
+----------+----------------------------------+-------------------------------+---------+

Restore a backup

lxmin restore u2 backup_2022-02-16-04-1040.tar.gz
Downloading backup_2022-02-16-04-1040.tar.gz [========================================================================================================================] 212.41 MiB/s
Importing instance 'u2', from 'backup_2022-02-16-04-1040.tar.gz'... Done
Starting instance 'u2'... Done

Delete a backup

Delete a specific backup by name backup_2022-02-16-04-1040.tar.gz

lxmin delete u2 backup_2022-02-16-04-1040.tar.gz
Backup backup_2022-02-16-04-1040.tar.gz deleted successfully

Delete all backups

lxmin delete u2 --all --force
All backups for u2 deleted successfully
Owner
Multi-Cloud Object Storage
MinIO offers high-performance, S3 compatible object storage. Native to Kubernetes
Multi-Cloud Object Storage
https://github.com/minio/lxmin
Comments
  • Restore to different name

    Restore to different name

    Hello and thank you for, what seems, great tool.

    I would like to have:

    • restore to different name: lxmin restore cont cont2 backup_2022-05-11-18-1704 (where cont is current container running and cont2 is new, non-existing one)
    • similar to above, have --force or similar to overwrite existing container/vm
    • have (global) configuration file instead of export variables

    A.

  • Add notify-endpoint CLI/Env option

    Add notify-endpoint CLI/Env option

    • Fixes an existing issue where if the notification endpoint is not specified in the REST API call, the operation appears to fail silently.

    • If not specified in the REST API call, this value is used.

    • If no notify-endpoint is given, an error is without performing the backup/restore operation.

    • Improve some error messages.

  • Backup and restore profiles along with an instance

    Backup and restore profiles along with an instance

    • All profiles associated with an instance are backed up to yaml files preserving their order.

    • On restore, a profile that already exists is skipped (not overwritten).

    • Listing now shows the name of the backup rather than the name of the tar file.

  • call notifyEndpoint only at the end of each operation

    call notifyEndpoint only at the end of each operation

    Some API clients might send a state in the notifyEndpoint, to be round tripped when lxmin performs the callback. If this state contains a nonce and lxmin performs the callback twice, the second callback will fail because the nonce was already consumed in the first.

    By deleting the first callback and leaving only the last one, API clients can rely on the HTTP response to get feedback on the operation creation, and in the callback at the end to know how it went.

  • url decode the notifyEndpoint query param

    url decode the notifyEndpoint query param

    I believe the notifyEndpoint needs to be query unescaped before being used. Ie:

    POST /1.0/instances/instancename/backups?notifyEndpoint=http%3A%2F%2Flocalhost%3A9999%2Flxmincallback%26state%3DInYUx3KYSZhq_E95Btpgd9sjzqVLrFIaGTvsBrEFpsKJPQqgFoWBsv1VY5CNsvqHlVI214ggMCxV9ApBMx8aeKfeESj-VAjZTEmeAZGTNlBhRWHCWWTws0I_af36Ddv7-8FQHPu15PiKxznKVf5MAFnj_DuL4EIa2Hoj605KBrzl05iWfJ460iOkD4hW4-j5EvPRyGOuTs_OTVIu1TShlE0GU4e9IrB6MWqmjQwg8sXW2yqflJ-vXaqnTcsd5sAzD3_nV6lPcxGdioTZ8bq0EWmFNTnVSNP-bGiD1oEADWiGDkzXfpqfB8siNmSYejZOgBUy09Bpo6QDX8HbMqhJxt2JJ61enGIvuzX0poMDWyVd3eDen6ox1UyRo4XExkPmSR5nXw%3D%3D

    would result in a callback request to

    http%3A%2F%2Flocalhost%3A9999%2Flxmincallback%26state%3DInYUx3KYSZhq_E95Btpgd9sjzqVLrFIaGTvsBrEFpsKJPQqgFoWBsv1VY5CNsvqHlVI214ggMCxV9ApBMx8aeKfeESj-VAjZTEmeAZGTNlBhRWHCWWTws0I_af36Ddv7-8FQHPu15PiKxznKVf5MAFnj_DuL4EIa2Hoj605KBrzl05iWfJ460iOkD4hW4-j5EvPRyGOuTs_OTVIu1TShlE0GU4e9IrB6MWqmjQwg8sXW2yqflJ-vXaqnTcsd5sAzD3_nV6lPcxGdioTZ8bq0EWmFNTnVSNP-bGiD1oEADWiGDkzXfpqfB8siNmSYejZOgBUy09Bpo6QDX8HbMqhJxt2JJ61enGIvuzX0poMDWyVd3eDen6ox1UyRo4XExkPmSR5nXw%3D%3D

    when instead it should be

    http://localhost:9999/lxmincallback&state=InYUx3KYSZhq_E95Btpgd9sjzqVLrFIaGTvsBrEFpsKJPQqgFoWBsv1VY5CNsvqHlVI214ggMCxV9ApBMx8aeKfeESj-VAjZTEmeAZGTNlBhRWHCWWTws0I_af36Ddv7-8FQHPu15PiKxznKVf5MAFnj_DuL4EIa2Hoj605KBrzl05iWfJ460iOkD4hW4-j5EvPRyGOuTs_OTVIu1TShlE0GU4e9IrB6MWqmjQwg8sXW2yqflJ-vXaqnTcsd5sAzD3_nV6lPcxGdioTZ8bq0EWmFNTnVSNP-bGiD1oEADWiGDkzXfpqfB8siNmSYejZOgBUy09Bpo6QDX8HbMqhJxt2JJ61enGIvuzX0poMDWyVd3eDen6ox1UyRo4XExkPmSR5nXw==
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