Commit Graph

101 Commits

Author SHA1 Message Date
Ján Tomko
cdf7be47c0 storage: use G_GNUC_UNUSED
Use G_GNUC_UNUSED from GLib instead of ATTRIBUTE_UNUSED.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-10-15 11:25:24 +02:00
Daniel P. Berrangé
27cb4c1a53 build: remove use of usleep gnulib module in favour of g_usleep
The usleep function was missing on older mingw versions, but we can rely
on it existing everywhere these days. It may only support times upto 1
second in duration though, so we'll prefer to use g_usleep instead.

The commandhelper program is not changed since that can't link to glib.
Fortunately it doesn't need to build on Windows platforms either.

Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-10-14 10:54:42 +01:00
Peter Krempa
36cde66708 util: storage: Modify return value of virStorageSourceNewFromBacking
Return the storage source definition via a pointer in the arguments and
document the returned values. This will simplify the possibility to
ignore certain backing store types which are not representable by
libvirt.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-08-26 13:49:16 +02:00
Ján Tomko
5f617627c7 conf: storage: use generic XML namespace types
There is no need to copy and paste the same types pointing
to void all over the place.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
2019-08-21 10:29:20 +02:00
Michal Privoznik
ccc7ffb4ef storagePoolRefreshFailCleanup: Clear volumes on failed refresh
If pool refresh failed, then the internal table of volumes is
probably left in inconsistent or incomplete state anyways. Clear
it out then. This has an advantage that we can move the
virStoragePoolObjClearVols() from those very few backends that
do call it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
2019-03-16 07:50:51 +01:00
Peter Krempa
44601a0e96 util: Replace virStorageSourceFree with virObjectUnref
Now that virStorageSource is a subclass of virObject we can use
virObjectUnref and remove virStorageSourceFree which was a thin wrapper.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2019-02-18 10:31:21 +01:00
Peter Krempa
e1c01b2252 util: Remove the AUTOPTR func for virStorageSource
Since virStorageSource is now a subclass of virObject, we can use
VIR_AUTOUNREF instead.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2019-02-18 10:31:21 +01:00
Peter Krempa
dcda2bf4c1 util: Introduce function for allocating virStorageSource
Add virStorageSourceNew and refactor places allocating that structure to
use the helper.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2019-02-18 10:27:30 +01:00
John Ferlan
bf688a0067 util: Introduce VIR_DEFINE_AUTOPTR_FUNC for virStorageSource
Let's make use of the auto __cleanup capabilities cleaning up any
now unnecessary goto paths.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 13:19:26 -05:00
John Ferlan
180f3207ae storage: Use VIR_AUTOCLOSE
Modify code to use the VIR_AUTOCLOSE logic cleaning up any
now unnecessary goto paths.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 13:11:31 -05:00
John Ferlan
d5aa75e64b storage: Rework ret logic in storageBackendUpdateVolTargetInfo
Rather than overload @ret with trying serve multiple purposes,
let's initialize @ret to -1 and introduce an @rc function return
value that can be used for functions that may return -1 or -2
and only override @ret when rc < 0.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 13:11:26 -05:00
John Ferlan
9fbb035e6f storage: Use VIR_STEAL_PTR in storageBackendProbeTarget
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 08:51:23 -05:00
John Ferlan
e96c47516c storage: Use VIR_AUTOFREE for storage util
Let's make use of the auto __cleanup capabilities cleaning up any
now unnecessary goto paths.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 08:51:23 -05:00
John Ferlan
65fc17d2f6 storage: Fix error retval for getDeviceType
On error from virAsprintf we would erroneously return 0 with
the @*type not being set. Change to a return -1 on error like
we should have been doing.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 08:51:23 -05:00
John Ferlan
b330600a69 util: Fix virStorageBackendSCSINewLun error handling
Commit a523770c3 added @retval return processing for
virStorageBackendUpdateVolInfo in order to allow a -2
to be return; however, upon successful completion
@retval = 0 and if either the virStorageBackendSCSISerial
or the virStoragePoolObjAddVol failed, the method would
return 0, but not add the @vol to the pool. So let's
just reset retval = -1 and continue processing.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 08:51:23 -05:00
John Ferlan
9a4199304f storage: Use VIR_AUTOPTR(virCommand)
Let's make use of the auto __cleanup capabilities cleaning up any
now unnecessary goto paths.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 08:51:23 -05:00
John Ferlan
1f20da92d8 conf: Introduce VIR_DEFINE_AUTOPTR_FUNC for virStorageVolDef
Let's make use of the auto __cleanup capabilities cleaning up any
now unnecessary goto paths.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-12 08:51:23 -05:00
John Ferlan
850cfd75be storage: Fetch a unique key for vHBA/NPIV LUNs
https://bugzilla.redhat.com/show_bug.cgi?id=1657468

Commit be1bb6c95 changed the way volumes were stored from a forward
linked list to a hash table. In doing so, it required that each vol
object would have 3 unique values as keys into tables - key, name,
and path. Due to how vHBA/NPIV LUNs are created/used this resulted
in a failure to utilize all the LUN's found during processing.

During virStorageBackendSCSINewLun processing fetch the key (or
serial value) for NPIV LUN's using virStorageFileGetNPIVKey which
will formulate a more unique key based on the serial value and
the port for the LUN.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-01 10:39:19 -05:00
John Ferlan
8bf89dc837 storage: Rework virStorageBackendSCSISerial
Alter the code to use the virStorageFileGetSCSIKey helper
to fetch the unique key for the SCSI disk. Alter the logic
to follow the former code which would return a duplicate
of @dev when either the virCommandRun succeeded, but returned
an empty string or when WITH_UDEV was not true.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2019-02-01 10:30:45 -05:00
Daniel P. Berrangé
72e8c721eb storage: pass struct _virStorageBackendQemuImgInfo by reference
The struct _virStorageBackendQemuImgInfo is quite large so it is
preferrable to pass it by reference instead of by value. This requires
us to stop modifying the "compat" field.

Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-01-31 10:38:33 +00:00
John Ferlan
ab995c1fe9 storage: Add storage pool namespace options to fs and netfs command lines
If the Storage Pool Namespace XML data exists, format the mount
options on the MOUNT command line and issue a VIR_WARN to indicate
that the storage pool was tainted by custom mount_opts.

When the pool is started, the options will be generated on the
command line along with the options already defined.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-01-29 19:16:19 -05:00
John Ferlan
7a227688a8 storage: Add infrastructure to manage XML namespace options
Introduce the virStoragePoolFSMountOptionsDef to be used to
manage the Storage Pool XML Namespace for mount options.

Using a new virStorageBackendNamespaceInit function, set the
virStoragePoolXMLNamespace into the _virStoragePoolOptions when
the storage backend is loaded.

Modify the storagepool.rng to allow for the usage of a different
XML namespace to parse the fs_mount_opts to be included with
the fs and netfs storage pool definitions.

Modify the storagepoolxml2xmltest to utilize a properly modified
XML file to parse and format the namespace for a netfs storage pool.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-01-29 19:16:13 -05:00
John Ferlan
3d3647e14f storage: Add the nfsvers to the command line
If protocolVer present, add the -o nfsvers=# to the command
line for the NFS Storage Pool

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-01-29 19:16:07 -05:00
John Ferlan
f00cde7f11 storage: Add default mount options for fs/netfs storage pools
https://bugzilla.redhat.com/show_bug.cgi?id=1584663

Modify the command generation to add some default options to the
fs/netfs storage pools based on the OS type. For Linux, it'll be
the "nodev, nosuid, noexec". For FreeBSD, it'll be "nosuid, noexec".
For others, just leave the options alone.

Modify the storagepoolxml2argvtest to handle the fact that the
same input XML could generate different output XML based on whether
Linux, FreeBSD, or other was being built.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2019-01-29 19:15:20 -05:00
John Ferlan
e6f53e7a4b storage: Fix build issue with MOUNT and VGCHANGE commands
Turns out there some build platforms that must not define MOUNT
or VGCHANGE in config.h... So moving the commands from the storage
backend specific module into a common storage_util module causes
issues for those platforms.

So instead of assuming they are there, let's just pass the command
string to the storage util API's from the storage backend specific
code (as would have been successful before).  Also modify the test
to determine whether the MOUNT and/or VGCHANGE doesn't exist and
just define it to (for example) what Fedora has for the path. Could
have just used "mount" and "vgchange" in the call, but that defeats
the purpose of adding the call to virTestClearCommandPath.

Signed-off-by: John Ferlan <jferlan@redhat.com>
2018-12-13 12:42:36 -05:00
John Ferlan
a15fe1247d storage: Add tests for logical backend startup
Add the logical storage pool startup validation (xml2argv) tests.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-12-13 07:09:42 -05:00
John Ferlan
b663d4329c storage: Rework virStorageBackendFileSystemMountCmd
Let's create helpers for each style of command line created. This
primarily is easier on the eyes rather than the large multi line
if-then-else-else clause used, but may also be useful if in the
future any particular pool needs to add to the command line based
on pool xml format.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-12-13 07:09:42 -05:00
John Ferlan
1f6ca26d72 storage: Move virStorageBackendFileSystemGetPoolSource
Move into storage_util for reuse by test harness

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-12-13 07:09:42 -05:00
John Ferlan
728b9ed61a storage: Move FS backend mount creation command helper
Move virStorageBackendFileSystemMountCmd to storage_util so that
it can be used by the test harness.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-12-13 07:09:42 -05:00
Erik Skultety
5165ff0971 src: More cleanup of some system headers already contained in internal.h
All of the ones being removed are pulled in by internal.h. The only
exception is sanlock which expects the application to include <stdint.h>
before sanlock's headers, because sanlock prototypes use fixed width
int, but they don't include stdint.h themselves, so we have to leave
that one in place.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
2018-09-20 10:16:39 +02:00
Erik Skultety
9403b63102 internal: Move <stdio.h> include to internal.h
It doesn't really make sense for us to have stdlib.h and string.h but
not stdio.h in the internal.h header.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
2018-09-20 10:16:38 +02:00
Shi Lei
c9ed87a610 src: remove blank first line in function body
Signed-off-by: Shi Lei <shi_lei@massclouds.com>
2018-09-17 13:29:01 +02:00
John Ferlan
b975afc725 storage: Allow inputvol to be encrypted
https://bugzilla.redhat.com/show_bug.cgi?id=1613737

When processing the inputvol for encryption, we need to handle
the case where the inputvol is encrypted. This then allows for
the encrypted inputvol to be used either for an output encrypted
volume or an output volume of some XML provided type.

Add tests to show the various conversion options when either input
or output is encrypted. This includes when both are encrypted.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-09-12 07:24:04 -04:00
John Ferlan
8041471858 storage: Allow for inputvol to have any format for encryption
Commit 39cef12a9 altered/fixed the inputvol processing to create
a multistep process when using an inputvol to create an encrypted
output volume; however, it unnecessarily assumed/restricted the
inputvol to be of 'raw' format only.

Modify the processing code to allow the inputvol format to be checked
and used in order to create the encrypted volume.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-09-12 07:24:04 -04:00
John Ferlan
f6aa977fab storage: Remove secretPath from _virStorageBackendQemuImgInfo
There's really no need for it to be there since it's only ever
used inside virStorageBackendCreateQemuImgCmdFromVol

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-09-12 07:24:04 -04:00
John Ferlan
b04d1b6a35 storage: Add --shrink to qemu-img command when shrinking vol
https://bugzilla.redhat.com/show_bug.cgi?id=1613746

When shrinking the capacity of a qcow2 or luks volume using
the qemu-img program, the --shrink qualifier must be added.

Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2018-08-24 09:14:13 -04:00
Shivaprasad G Bhat
1a94cbcd16 storage: fix the error message when encrypted raw volume resize
The vol-dumpxml shows the volume target format type as raw for
encrypted volumes. The error message when attempting to resize
with prealloc is confusing here.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
2018-08-23 12:14:31 -04:00
Daniel P. Berrangé
f72c5945e1 storage: tweak error message when skipping file
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-08-09 11:19:15 +01:00
Michal Privoznik
fa18da2d81 storage_util: Prefer generic FICLONE over btrfs/xfs defines
After my change to the original patch that resulted in commit
8ed874b39b it was brought to my attention that all three defines
are the same: FICLONE = BTRFS_IOC_CLONE = XFS_IOC_CLONE (as
documented in ioctl_ficlone(2)). Therefore we should prefer
generic FICLONE over 'specific' defines for btrfs/xfs.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2018-07-24 15:15:34 +02:00
Julio Faracco
8ed874b39b storage: Rename btrfsCloneFile to support other filesystems.
This commit renames and adds other macros to support aother filesystems
when a reflink is performed. After that, XFS filesystems (and others)
with reflink support will be able to clone.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1565004

Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2018-07-06 16:56:56 +02:00
John Ferlan
39cef12a95 storage: Add support for using inputvol for encryption
Starting with QEMU 2.9, encryption convert processing requires
a multi-step process in order to generate an encrypted image from
some non encrypted raw image.

Processing requires to first create an encrypted image using the
sizing parameters from the input source and second to use the
--image-opts, -n, and --target-image-opts options along with inline
driver options to describe the input and output files, generating
two commands such as:

  $ qemu-img create -f luks \
      --object secret,id=demo.img_encrypt0,file=/path/to/secretFile \
      -o key-secret=demo.img_encrypt0 \
      demo.img 500K
  Formatting 'demo.img', fmt=luks size=512000 key-secret=demo.img_encrypt0
  $ qemu-img convert --image-opts -n --target-image-opts \
      --object secret,id=demo.img_encrypt0,file=/path/to/secretFile \
      driver=raw,file.filename=sparse.img \
      driver=luks,file.filename=demo.img,key-secret=demo.img_encrypt0
  $

This patch handles the convert processing by running the processing
in a do..while loop essentially reusing the existing create logic and
arguments to create the target vol from the inputvol and then converting
the inputvol using new arguments.

This then allows the following virsh command to work properly:

  virsh vol-create-from default encrypt1-luks.xml data.img --inputpool default

where encrypt1-luks.xml would provided the path and secret for
the new image, while data.img would be the source image.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
John Ferlan
40f0e0348d storage: Remove storageBackendGenerateSecretData
Since we no longer support creating qcow2 encryption format
volumes, we no longer have to possibly create some secret and
have no real need for the function, so move the remaining
functionality to build the secret path back into the caller
storageBackendCreateQemuImg.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
John Ferlan
9b753116f0 storage: Clean up storageBackendCreateQemuImgOpts
Since we only generate the @encinfo when there's a secret object
and thus we need to reference it in the options,

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
John Ferlan
9fe597dd09 storage: Clean up storageBackendCreateQemuImgCheckEncryption
Remove the checks for qcow encryption since both callers (create
and resize) would have already disallowed usage.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
John Ferlan
8f83af6823 storage: Disallow create/resize of qcow2 encrypted images
https://bugzilla.redhat.com/show_bug.cgi?id=1526382

Since commit c4eedd793 disallowed qcow2 encrypted images to be
used for domains, it no longer makes sense to allow a qcow2
encrypted volume to be created or resized.

Add a test that will exhibit the failure of creation as well
as the xml2xml validation of the format still being correct.

Update the documentation to note the removal of the capability
to create and use qcow/default encrypted volumes.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
John Ferlan
af0e6580cd storage: Rename encryption info variable for clarity
Change from @enc to @encinfo leaving @enc for the vol->target.encryption
in the storageBackendCreateQemuImgSetOptions code path.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
John Ferlan
b056e09b28 storage: Don't allow encryption secretPath to be NULL
Allowing a NULL @secretPath for virStorageBackendCreateQemuImgCmdFromVol
would result in a generated command line with a dangling "file=" output.
So let's make sure the @secretPath exists before processing.

This means we should pass a dummy path from the storage test.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
2018-06-26 14:02:43 -04:00
Katerina Koukiou
fab2e49d3c storage: fix crash in luks encrypted volume creation
Fix the case when creating a luks encrypted volume
via an xml file without 'secret' element.
libvirtd was receiving SIGSEGV, now proper error is reported for
the missing element.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1468422

Signed-off-by: Katerina Koukiou <kkoukiou@redhat.com>
2018-06-06 18:02:59 +02:00
John Ferlan
352e549450 storage_util: Introduce storageBackendDoCreateQemuImg
Extract out command line setup and run from storageBackendCreateQemuImg
as we'll need to run it twice soon.

Signed-off-by: John Ferlan <jferlan@redhat.com>
2018-05-15 16:57:24 -04:00
John Ferlan
e1e1fcf769 storage_util: Introduce storageBackendCreateQemuImgSetInput
Split up virStorageBackendCreateQemuImgCmdFromVol into two parts.
It's too long anyway and virStorageBackendCreateQemuImgCmdFromVol
should just handle the command line processing.

NB: Requires changing info.* into info->* references.

Signed-off-by: John Ferlan <jferlan@redhat.com>
2018-05-15 16:57:24 -04:00