using os.RemoveAll will remove everything
in the director after the Umount we should
be using os.Remove only to remove the empty
directory
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
We should not be dependent on the CO to ensure
that it will serialize the request instead of
that we need to have own internal locks to ensure
that we dont do concurrent operations for same
request.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
There was a discrepancy between the objectId
when creating the lock and when releasing the lock
this caused every lock to hang.
Signed-off-by: NymanRobin <robin.nyman@est.tech>
This patch allows to avoid hanging mutex lock scenario when
fscrypt fails to unlock. Prevents uncessary delays
Signed-off-by: Sunnatillo <sunnat.samadov@est.tech>
The way fscrypt client handles metadata and policy creation
causing errors when multiple instances start simultaneously.
This commit adds a lock to ensure the initial setup
completes correctly, preventing race conditions and
mismatches.
Signed-off-by: Sunnatillo <sunnat.samadov@est.tech>
By reading the contents of /proc/filesystems, and checking if "ceph" is
included there, running "modprobe ceph" can be skipped.
Fixes: #4376
Signed-off-by: Niels de Vos <ndevos@ibm.com>
This commit makes use of crush location labels from node
labels to supply `crush_location` and `read_from_replica=localize`
options during mount. Using these options, cephfs
will be able to redirect reads to the closest OSD,
improving performance.
Signed-off-by: Praveen M <m.praveen@ibm.com>
Implemented the capability to include kernel mount options and
fuse mount options for individual clusters within the ceph-csi-config
ConfigMap.This allows users to configure the kernel/fuse mount options
for each cluster separately. The mount options specified in the ConfigMap
will supersede those provided via command line arguments.
Signed-off-by: Praveen M <m.praveen@ibm.com>
The HealthChecker is configured to use the Staging path pf the volume,
with a `.csi/` subdirectory. In the future this directory could be a
directory that is not under the Published directory.
Fixes: #4219
Signed-off-by: Niels de Vos <ndevos@ibm.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>
When we do stat on the targetpath, if there is
any error we can check is it due to corruption.
If yes, cephcsi can return abnormal in the
NodeGetVolumeStats so that consumer (CO/admin)
and detect and take further action.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
CephFS does not have a concept of "free inodes", inodes get allocated
on-demand in the filesystem.
This confuses alerting managers that expect a (high) number of free
inodes, and warnings get produced if the number of free inodes is not
high enough. This causes alerts to always get reported for CephFS.
To prevent the false-positive alerts from happening, the
NodeGetVolumeStats procedure for CephFS (and CephNFS) will not contain
inodes in the reply anymore.
See-also: https://bugzilla.redhat.com/2128263
Signed-off-by: Niels de Vos <ndevos@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>
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>
Recently the k8s.io/mount-utils package added more runtime dectection.
When creating a new Mounter, the detect is run every time. This is
unfortunate, as it logs a message like the following:
```
mount_linux.go:283] Detected umount with safe 'not mounted' behavior
```
This message might be useful, so it probably good to keep it.
In Ceph-CSI there are various locations where Mounter instances are
created. Moving that to the DefaultNodeServer type reduces it to a
single place. Some utility functions need to accept the additional
parameter too, so that has been modified as well.
See-also: kubernetes/kubernetes#109676
Signed-off-by: Niels de Vos <ndevos@redhat.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>
In case of pre-provisioned volume the clusterID is
not set in the volume context as the clusterID is missing
we cannot extract the NetNamespaceFilePath from the
configuration file. For static volume and dynamically
provisioned volume the clusterID is set.
Note:- This is a special case to support mounting PV
without clusterID parameter.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
as same host directory is not shared between
the cephfs and the rbd plugin pod. we need
to keep the netNamespaceFilePath separately
for both cephfs and rbd. CephFS plugin will
use this path to execute mount -t commands.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
As the netNamespaceFilePath can be separate for
both cephfs and rbd adding the netNamespaceFilePath
path for RBD, This will help us to keep RBD and
CephFS specific options separately.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
add support to run rbd map and mount -t
commands with the nsenter.
complete design of pod/multus network
is added here https://github.com/rook/rook/
blob/master/design/ceph/multus-network.md#csi-pods
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Mounts managed by ceph-fuse may get corrupted by e.g. the ceph-fuse process
exiting abruptly, or its parent container being terminated, taking down its
child processes with it.
This commit adds checks to NodeStageVolume and NodePublishVolume procedures
to detect whether a mountpoint in staging_target_path and/or target_path is
corrupted, and remount is performed if corruption is detected.
Signed-off-by: Robert Vasek <robert.vasek@cern.ch>
Refactored a couple of helper functions for easier resue.
* Code for building store.VolumeOptions is factored out into a separate function.
* Changed args of getCredentailsForVolume() and NodeServer.mount() so that
instead of passing in whole csi.NodeStageVolumeRequest, only necessary
properties are passed explicitly. This is to allow these functions to be
called outside of NodeStageVolume() where NodeStageVolumeRequest is not
available.
Signed-off-by: Robert Vasek <robert.vasek@cern.ch>
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>
At present we are node staging with worldwide permissions which is
not correct. We should allow the CO to take care of it and make
the decision. This commit also remove `fuseMountOptions` and
`KernelMountOptions` as they are no longer needed
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
SINGLE_NODE_WRITER capability ambiguity has been fixed in csi spec v1.5
which allows the SP drivers to declare more granular WRITE capability.
These are not really new capabilities rather capabilities introduced to
get the desired functionality from CO side based on the capabilities SP
driver support for various CSI operations.
Signed-off-by: Humble Chirammal <hchiramm@redhat.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>
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>
Considering kubelet make sure the stage and publish operations
are serialized, we dont need any extra locking in nodePublish
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
Considering kubelet make sure the unstage and unpublish operations
are serialized, we dont need any extra locking in nodeUnpublish
Signed-off-by: Humble Chirammal <hchiramm@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>
if it is an error from the IsMountPoint
function and the error is not IsNotExist return
it as a internal server error.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
Currently we are relaying on the error output from
the umount command we run on the nodes when mounting
the volume but we are not checking for all the error
message to verify the volume is mounted or not.
This commits uses IsMountPoint function in util
to check the mountpoint.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
The CephFS NodeServer should handle the CephFS specific requests. This
is not something that the NodeServer for RBD should handle.
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Add the ClusterConnection to the volumeOptions type, so that future use
of go-ceph can connect to the Ceph cluster.
Once a volumeOptions object is not needed anymore, it needs to get
destroyed to free associated resources like the ClusterConnection.
Signed-off-by: Niels de Vos <ndevos@redhat.com>
