Adding a lock for the volumegroup so
that we can take care of serializing
the same requests to ensure same requests
are not served in parallel.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This is to pre-emptively add check for EAGAIN error returned from
ceph as part of https://github.com/ceph/ceph/pull/52670 if all the
clone threads are busy and return csi compatible error.
Fixes: #3996
Signed-off-by: karthik-us <ksubrahm@redhat.com>
This commit eliminates the code for protecting and unprotecting
snapshots, as the functionality to protect and unprotect snapshots
is being deprecated.
Signed-off-by: Praveen M <m.praveen@ibm.com>
Add support to create RWX clone from the
ROX clone, in ceph no subvolume clone is
created when ROX clone is created from a
snapshot just a internal ref counter is
added. This PR allows creating a RWX clone
from a ROX clone which allows users to create
RW copy of PVC where cephcsi will identify
the snapshot created for the ROX volume and
creates a subvolume from the CephFS snapshot.
updates: #3603
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
We should not call ExpandVolume for the BackingSnapshot
subvolume as there wont be any real subvolume created for
it and even if we call it the ExpandVolume will fail
fail as there is no real subvolume exists.
This commits fixes by adjusting the `if` check to ensure
that ExpandVolume will only be called either the
VolumeRequest is to create from a snapshot or volume
and BackingSnapshot is not true.
sample code here https://go.dev/play/p/PI2tNii5tTg
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Add Ceph FS fscrypt support, similar to the RBD/ext4 fscrypt
integration. Supports encrypted PVCs, snapshots and clones.
Requires kernel and Ceph MDS support that is currently not in any
stable release.
Signed-off-by: Marcel Lauhoff <marcel.lauhoff@suse.com>
this commit remove the protobuf dependency locking in the module
description.
Also, ptypes.TimestampProto is deprecated and this commit
make use of the timestamppb.New() for the construction.
ParseTime() function has been removed and callers adjusted to the
same.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
To avoid subvolume leaks if the SetAllMetadata
operations fails delete the subvolume.
If any operation fails after creating the subvolume
we will remove the omap as the omap gets
removed we will need to remove the subvolume to
avoid stale resources.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
`--setmetadata` is false by default, honoring it
will keep the metadata disabled by default
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
`--setmetadata` is false by default, honoring it
will keep the metadata disabled by default
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Make sure to set metadata when subvolume snapshot exist, i.e. if the
provisioner pod is restarted while createSnapShot is in progress, say it
created the subvolume snapshot but didn't yet set the metadata.
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Set snapshot-name/snapshot-namespace/snapshotcontent-name details
on subvolume snapshots as metadata on create.
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This change helps read the cluster name from the cmdline args,
the provisioner will set the same on the subvolume.
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Make sure to set metadata when subvolume exist, i.e. if the provisioner pod
is restarted while createVolume is in progress, say it created the subvolume
but didn't yet set the metadata.
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This helps Monitoring solutions without access to Kubernetes clusters to
display the details of the PV/PVC/NameSpace in their dashboard.
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Looks like cephfs snapshot size is buggy and its
getting removed in ceph fs. we cannot get the size
of the snapshot during CreateVolume call, so we cannot
do any size check at CreateVolume to check if the
restore size is smaller or not.
As we are removing this check it also fixes#3147
but we dont have any validation at CSI level for
smaller restore we need to depend on kubernetes
external-provisioner for it.
fixes: #3147
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Due to the bug in the df stat we need to round off
the subvolume size to align with 4Mib.
Note:- Minimum supported size in cephcsi is 1Mib,
we dont need to take care of Kib.
fixes#3240
More details at https://github.com/ceph/ceph/pull/46905
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit implements most of
docs/design/proposals/cephfs-snapshot-shallow-ro-vol.md design document;
specifically (de-)provisioning of snapshot-backed volumes, mounting such
volumes as well as mounting pre-provisioned snapshot-backed volumes.
Signed-off-by: Robert Vasek <robert.vasek@cern.ch>
The omap is stored with the requested
snapshot name not with the subvolume
snapshotname. This fix uses the correct
snapshot request name to cleanup the omap
once the subvolume snapshot is deleted.
fixes: #2974
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
remove kubernetes csi prefixed parameters
from the volumeContext as we dont want
to store it in the PV VolumeAttributes.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
as per the CSI standard the size is optional parameter,
as we are allowing the clone to a bigger size
today we need to block the clone to a smaller size
as its a have side effects like data corruption etc.
Note:- Even though this check is present in kubernetes
sidecar as CSI is CO independent adding the check
here.
fixes: #2718
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commits refactors the cephfs core
functions with interfaces. This helps in
better code structuring and writing the
unit test cases.
update #852
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
the omap is stored with the requested
snapshot name not with the subvolume
snapshotname. This fix uses the correct
snapshot request name to cleanup the omap
once the subvolume snapshot is deleted.
fixes: #2832
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Currently, as a workaround, we are calling
the resize volume on the cloned, restore volumes
to adjust the cloned, restored volumes.
With this fix, we are calling the resize volume
only if there is a size mismatch with requested
and the volume from which the new volume needs
to be created.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
The ceph changes are done on the both server and the
client side this change is not enough for remove
setting the size of cloned volumes.
this caused the regression like #2719#2720#2721#2722.
This reverts commit 3565a342d5.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
as we are refractoring the cephfs code,
Moving all the core functions to a new folder
/pkg called core. This will make things easier
to implement. For now onwards all the core
functionalities will be added to the core
package.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
At present there is a 'todo' to check for zero volume size
in the createVolume request which in unwanted, ie the pvc
creation with size 0 fail from the kubernetes api validation itself:
For ex:
```
..spec.resources[storage]: Invalid value: "0": must be greater than zero```
```
so we dont need any extra check in the controller server
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
CephFS csi driver explictly set the size of the cloned volume
to the size of parent volume as cephfs mgr was lacking this
functionality previously. However it has been addressed in cephfs
so we dont need explicit size setting.
Ref#https://tracker.ceph.com/issues/46163
Supported Ceph releases:
Ceph versions equal or above - v16.0.0, v15.2.9, v14.2.12
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
Moving the log functions into its own internal/util/log package makes it
possible to split out the humongous internal/util packages in further
smaller pieces. This reduces the inter-dependencies between utility
functions and components, preventing circular dependencies which are not
allowed in Go.
Updates: #852
Signed-off-by: Niels de Vos <ndevos@redhat.com>
nlreturn linter requires a new line before return
and branch statements except when the return is alone
inside a statement group (such as an if statement) to
increase code clarity. This commit addresses such issues.
Updates: #1586
Signed-off-by: Rakshith R <rar@redhat.com>
We have many declarations and invocations..etc
with long lines which are very difficult to follow while doing
code reading. This address the issues in 'internal/cephfs' package to
restrict the line length to 120 chars.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
nolint directive needs to be followed by comma separated
list of linters. This commit changes to gocognit:gocyclo
which was not recognised to linters which show error for
the function.
Signed-off-by: Rakshith R <rar@redhat.com>
Failed to delete voluesnapshot when backend subvolume
(pvc) and ceph fs subvolume snapshot is deleted
Fixes#1647
Signed-off-by: Yati Padia <ypadia@redhat.com>
There are many usecases with adding the subvolume
path to the PV object. the volume context returned
in the createVolumeResponse is added to the PV object
by the external provisioner.
More Details about the usecases are in below link
https://github.com/rook/rook/issues/5471
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
