Re: [pve-devel] [PATCH storage v6 0/7] support moving volumes between storages

[Filip Schauer <f.schauer@proxmox.com>]

Superseded by:
https://lore.proxmox.com/pve-devel/20250311142328.112538-1-f.schauer@proxmox.com/

On 20/01/2025 12:28, Filip Schauer wrote:
> Add the ability to move a backup, ISO, container template, snippet, or
> OVA/OVF between storages and nodes via an API method. Moving a VMA
> backup to a Proxmox Backup Server requires the proxmox-vma-to-pbs
> package to be installed. Currently only VMA backups can be moved to a
> Proxmox Backup Server and moving backups from a Proxmox Backup Server is
> currently not supported.
>
> The method can be called from the PVE shell with `pvesm move-volume`:
>
> ```
> pvesm move-volume <source volume> <target storage> [--target-node <node>] [--delete]
> ```
>
> For example to move a VMA backup to a Proxmox Backup Server:
>
> ```
> pvesm move-volume \
>      local:backup/vzdump-qemu-100-2024_06_25-13_08_56.vma.zst pbs
> ```
>
> Or move a container template to another node and delete the source:
>
> ```
> pvesm move-volume \
>      local:vztmpl/devuan-4.0-standard_4.0_amd64.tar.gz local \
>      --target-node pvenode2 --delete
> ```
>
> Or use curl to call the API method:
>
> ```
> curl https://$APINODE:8006/api2/json/nodes/$SOURCENODE/storage/$SOURCESTORAGE/content/$SOURCEVOLUME \
>      --insecure --cookie "$(<cookie)" -H "$(<csrftoken)" -X POST \
>      --data-raw "target-storage=$TARGETSTORAGE&target-node=$TARGETNODE"
> ```
>
> Changes since v5:
> * Resolve merge conflicts when applying patches 1/7 & 3/7 to current
>    master (e5f4af47d083).
>
> Changes since v4:
> * Remove the volume_move subroutine, instead use storage_migrate for
>    moving volumes between storages on the same node
> * Avoid ssh when moving a volume between storages on the same node
> * Add command completion to move-volume parameters
> * Make the success message of move-volume less verbose for moves within
>    the same node
> * utf8 encode/decode backup notes during export/import
> * Support the new "import" volume type
> * Code cleanup
> * Add descriptions to single line commit messages
>
> Changes since v3:
> * Split changes into multiple commits
> * Remove superfluous parentheses from post-ifs
> * Move vma_to_pbs branch from move_volume into its own helper inside
>    PBSPlugin
> * Use $! instead of $@ to retrieve unlink error in move_volume
> * Also support content type 'rootdir'
> * Rework permission checks on the move API method
> * Fix permissions description on move API method
> * Add error for unimplemented content types
>
> Changes since v2:
> * Specify permissions for move method
> * Add success message to move method
> * Limit the move method to non-vdisk volumes
> * Check that source and target are not the same in the move method
> * Remove the unnecessary movevolume method from pvesm and make the
>    move-volume command call the move API method directly
> * Fail when trying to move a protected volume with the delete option
>    enabled, instead of ignoring the protection
> * Change "not yet supported" to "not supported" in messages indicating
>    unimplemented features
> * Process auxiliary files first when moving a volume locally on a node
> * Move a volume instead of copying it when trying to move a volume
>    locally on a node with the delete option enabled.
> * Use the more general `path` function instead of `filesystem_path` to
>    get the path of a volume
> * Loosen the required privileges to move an ISO or a container template,
>    or when the delete option is not set.
> * Move the volume_move sub from PVE::Storage to
>    PVE::API2::Storage::Content since it is only used there.
> * Explicitly check that storages are path-based in volume_move,
>    except when moving a vma to a Proxmox Backup Server
>
> Changes since v1:
> * Rename pvesm command to move-volume
> * Add a delete option to control whether the source volume should be
>    kept
> * Move the API method to the POST endpoint of
>    /nodes/{node}/storage/{storage}/content/{volume}, replacing the
>    experimental copy method that has not been used since its introduction
>    in October 2011 883eeea6.
> * Implement migrating volumes between nodes
>
> Filip Schauer (7):
>    plugin: allow volume import of iso, snippets, vztmpl and import
>    api: content: implement moving a volume between storages
>    api: content: support moving backups between path based storages
>    storage: introduce decompress_archive_into_pipe helper
>    support moving VMA backups to PBS
>    pvesm: add a move-volume command
>    storage migrate: avoid ssh when moving a volume locally
>
>   debian/control                  |   1 +
>   src/PVE/API2/Storage/Content.pm | 131 +++++++++++++++++++++++---------
>   src/PVE/CLI/pvesm.pm            |   2 +
>   src/PVE/Storage.pm              |  80 ++++++++++++-------
>   src/PVE/Storage/PBSPlugin.pm    |  65 ++++++++++++++++
>   src/PVE/Storage/Plugin.pm       | 112 ++++++++++++++++++++-------
>   6 files changed, 299 insertions(+), 92 deletions(-)
>


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