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This is slightly confusing due to both options, the legacy convoluted
one and the new targeted one, exist, but before the rework we skip if
either of those sub-expressions was true, so doing it needs both to
be true.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
checking the content dirs for clashes via abs_path must be done after
the logic for creating them ran, as abs_path is working on actual
filesystem level, so it will return undf if the directory does not
exist, in which case we then set a hash entry for "undef", and the
next for loop round then resolved again to "undef", resulting in a
false-positive of the check.
Avoid the dangerous "return if" stanzas and reverse them to an actual
if block, which is much safer to adapt. Then move the check for
duplicate content-dir usage after that.
best viewed with white space change ignored: git show -w
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This makes it possible to add all mount options offered by mount.cifs.
NFS & CIFS now share the options parameter since they use it for the
same purpose.
Signed-off-by: Stefan Hrdlicka <s.hrdlicka@proxmox.com>
[FE: rebase + style fixes]
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Friedrich Weber <f.weber@proxmox.com>
[T: fix merge conflict ]
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
which causes an error "the argument for option '--size' is invalid".
Just round up to the nearest integer to have at least the requested
size. This is similar to what is done for ZFS with d3e3e5d ("When
resizing a ZFS volume, align size to 1M") and makes commands like 'qm
resize 102 scsi1 +0.01G' work.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
It was introduced by commit 4b7dd9d ("allow --allow-shrink on RBD
resize"), but doesn't give a rationale. A mail gives more[0],
indicating that the user also uses the function to shrink images.
However, the volume_resize function is only reachable via the resize
API endpoints for VMs and containers, which have an explicit check to
disallow shrinkage. If somebody really wants to shrink the image, just
let them use the storage's tools directly. Calling into Proxmox VE's
perl functions directly is not supported.
[0]: https://lists.proxmox.com/pipermail/pve-devel/2016-November/024077.html
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Other places like replication explicitly state whether byte or bit
are used as a unit rather than only the abbreviation.
Signed-off-by: Stefan Hanreich <s.hanreich@proxmox.com>
This prevents strange interactions in case the same content directory
is used for multiple content types.
Signed-off-by: Friedrich Weber <f.weber@proxmox.com>
In the previous code, if `create-base-path` was explicitly
set to false, it would be treated the same as if it was
undef, falling through to whatever 'mkdir' was.
Instead, the new options should always be preferred, and the
logic can be simplified to a single line.
Here's the table showing the difference, 'u' being 'undef':
config: mkdir: u 0 1 u 0 1 u 0 1
create: u u u 0 0 0 1 1 1
=========================
mkpath: old: 1 0 1 0 0 1 1 1 1
new: 1 0 1 0 0 0 1 1 1
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
The `mkdir` option has two meanings[0][1] which are split up in `create-path`
and `create-sub-dirs`.
The `create-base-path` option decides if the path to the storage is
automatically created or not.
The `create-subdirs` options decides if the default directory
structure (dump, images, ...) at the storage location is created.
The `mkdir` option is still working but will trigger a warning in the
logs.
As a side effect, this also fixes#3214 because the `create-base-path` option
is now run after the `is_mountpoint` check in the `activate_storage`
method in DirPlugin.pm.
The 'mkpath' command has been moved into a new helper function that
first determines if the conditions to create the path is true, called
'config_aware_base_mkdir'.
[0] https://lists.proxmox.com/pipermail/pve-devel/2020-December/046575.html
[1] https://lists.proxmox.com/pipermail/pve-devel/2020-December/046576.html
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Reviewed-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
The `tmpfilename` is generated by pve-http-server and always adheres
to this pattern, so make this explicit to prevent confusion and have
a more complete JSON API schema, useful for e.g., the API viewer.
Signed-off-by: Friedrich Weber <f.weber@proxmox.com>
[ T: slightly extended commit message ]
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
this keeps the mount sources consistent with previous versions
without this patch there is a small regression, which leads to the
storage not being recognized as being mounted on upgrade:
* pvestatd in older version mount the storage with out trailing /
```
//cifsstore/ISO on /mnt/pve/cifsstore type cifs...
```
* the cifs_is_mounted helper does not recognize it as being mounted
(as the source now has a / in the end)
* attempting to mount leads to
```
mount error(16): Device or resource busy
```
noticed after upgrading and having a cifs storage mounted
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
`pvesh get /nodes/{node}/storage/{storage}/content/{volume}` failed for
several storage types, because the respective storage plugins returned
only the volumes `size` on `volume_size_info` calls, while also the format
is required.
This patch fixes the issue by returning also `format` and where possible `used`.
The issue was reported in the forum:
https://forum.proxmox.com/threads/pvesh-get-nodes-node-storage-storage-content-volume-returns-error.123747/
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
[ T: fixup white space error ]
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Allow a dot as long as its not followed by another dot and enforce
max component and (a reduced) max path length checking already at
schema level.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
CIFS/SMB supports directly mounting subdirectories, so it makes sense to
also allow the --subdir parameter for these storages. The subdir
parameter was moved from CephFSPlugin.pm to Plugin.pm, because it isn't
specific to CephFS anymore.
Signed-off-by: Leo Nunner <l.nunner@proxmox.com>
by simply doing a ping with the expected port as a fallback when the
rpcinfo command fails.
The timeout was chosen to be 2 seconds, because that's what the
existing callers of tcp_ping() in the iSCSI and GlusterFS plugins use.
Alternatively, the existing check could be replaced, but that would
1. Dumb down the check.
2. Risk breakage in some corner case that's yet to be discovered.
3. It would still be necessary to use rpcinfo (or dumb the check down
even further) in case port=0; from 'man 5 nfs' about the NFSv4 'port'
option:
> If the specified port value is 0, then the NFS client uses the NFS
> service port number advertised by the server's rpcbind service.
Reported in the community forum:
https://forum.proxmox.com/threads/118466/post-524449https://forum.proxmox.com/threads/120774/
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
The only caller where $running can even be truthy is QemuServer.pm's
qemu_volume_snapshot_delete(). But there, a check if snapshots should
be done with QEMU is already made and the storage function is only
called if snapshots should not be done with QEMU (like for TPM drives
which are not attached directly). So rely on the caller and do not
return early to fix removing snapshots in such cases.
Even if a stray call ends up here (can happen already by changing the
krbd setting while a VM is running to flip the above-mentioned check
and the early return check removed by this patch), it might not even
be problematic. At least a quick test worked fine:
1. take snapshot via a monitor command in QEMU
2. remove snapshot via the storage layer
3. create a new file in the VM
4. take a snapshot with the same name via monitor command in QEMU
5. roll back to the snapshot
6. check that the file in the VM is as expected
Using the storage layer to take the snapshots and QEMU to remove the
snapshot also worked doing the same test. Even if it were problematic,
the check in qemu-server should rather be improved then.
(Trying to issue a snapshot mon command for a krbd-mapped image fails
with an error on the other hand, but that is also not too bad and not
relevant to the storage code. Again, it rather would be necessary to
improve the check in qemu-server).
The fact that the pve-container code didn't even pass $running is the
reason removing snapshots worked for containers on a storage with krbd
disabled (the pve-container code calls map_volume() explicitly, so
containers can work regardless of the krbd setting in the storage
configuration; see commit 841fba6 ("call map_volume before using
volumes.") in pve-container).
For volume_snapshot(), the early return with $running was already
removed (or rather the relevant logic moved to QemuServer.pm) in 2015
by commit f5640e7 ("remove running from Storage and check it in
QemuServer"), even before krbd support was added in RBDPlugin.pm.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
To be correct in all cases, it's still necessary to filter by "pool"
in zfs_parse_zvol_list(), because $scfg->{pool} could be e.g.
'foo/vm-123-disk-0' which looks like an image name and would pass the
other "should skip"-checks in zfs_parse_zvol_list().
No change in the result of zfs_list_zvol() is intended.
Suggested-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
The 'pool' property in the result of zfs_parse_zvol_list() was not
used for anything else.
No functional change is intended.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Avoids the need for the fallback for the (only existing) caller.
Note that the old my $list = (); is a rather intransparent way of
assigning undef.
Suggested-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Rename the "dirs" parameter to "content-dirs". Switch from a "vtype:/dir"
format to "vtype=/dir", and remove the misleading error message talking
about "absolute" paths. One might expect these to be absolute over the
whole system, while in reality they are relative to the mountpoint of
the storage.
Signed-off-by: Leo Nunner <l.nunner@proxmox.com>
Allowing overrides for the default directory locations seems to
integrate rather well into the existing system. Custom locations
are specified using the "dirs" parameter as a comma-separated list
of "vtype:/location" values.
For now, the option has been enabled for the Directory, CIFS and NFS
backends.
Signed-off-by: Leo Nunner <l.nunner@proxmox.com>
There is no caller using $cache and the same $storeid multiple times,
so there is no need to keep the cache.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
