Commit Graph

44 Commits

Author SHA1 Message Date
Niels de Vos
011d4fc81c cleanup: create k8s.io/mount-utils Mounter only once
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>
2022-07-21 07:14:43 +00:00
takeaki-matsumoto
1025871021 cephfs: Support mount option on nodeplugin
add mount options on nodeplugin side

Signed-off-by: takeaki-matsumoto <takeaki.matsumoto@linecorp.com>
2022-07-18 22:04:12 +00:00
Robert Vasek
fd7559a903 cephfs: added support for snapshot-backed volumes
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>
2022-06-16 09:44:27 +00:00
Madhu Rajanna
1952a9b4b3 ci: fix all linter errors found in golangci-lint
Fixing all the linter errors found in golang-ci
lint v1.46.2

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2022-06-03 12:55:54 +00:00
Madhu Rajanna
c9943320ac cephfs: skip NetNamespaceFilePath if the volume is pre-provisioned
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>
2022-06-03 07:25:25 +00:00
Madhu Rajanna
d2bc9743f7 cephfs: add netNamespaceFilePath for CephFS
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>
2022-04-19 12:28:46 +00:00
Madhu Rajanna
766346868e util: Add RBD specific options in clusterInfo
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>
2022-04-19 12:28:46 +00:00
Madhu Rajanna
7b2aef0d81 util: add support for the nsenter
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>
2022-04-08 10:23:21 +00:00
Robert Vasek
80dda7cc30 cephfs: detect corrupt ceph-fuse mounts and try to remount
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>
2022-03-10 06:05:52 +00:00
Robert Vasek
aa6297e164 cleanup: refactor helper functions in nodeserver.go
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>
2022-03-10 06:05:52 +00:00
Madhu Rajanna
e9802c4940 cephfs: refactor cephfs core functions
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>
2022-02-22 20:39:23 +00:00
Humble Chirammal
8f6a7da538 cephfs: dont set explicit permissions on the volume
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>
2022-02-09 17:30:29 +00:00
Humble Chirammal
68350e8815 cephfs: add SINGLE_NODE_{SINGLE/MULTI}_WRITER capability
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>
2022-01-11 19:40:22 +00:00
Madhu Rajanna
34a21cdbe3 cleanup: move mount functions to new pkg
moved fuse and kernel mount functions
to a new package.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2021-09-23 06:39:37 +00:00
Madhu Rajanna
b1ef842640 cleanup: move core functions to core pkg
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>
2021-09-23 06:39:37 +00:00
Madhu Rajanna
b383af20b4 cleanup: move cephfs errors to new util package
As part of the refactoring, moving the cephfs errors file to a new
package.

Updates: #852
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2021-09-01 06:50:16 +00:00
Niels de Vos
6d00b39886 cleanup: move log functions to new internal/util/log package
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>
2021-08-26 09:34:05 +00:00
Humble Chirammal
66fa5891b2 cephfs: correct typos in cephfs driver code
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
2021-08-18 04:50:46 +00:00
Rakshith R
43f753760b cleanup: resolve nlreturn linter issues
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>
2021-07-22 06:05:01 +00:00
Humble Chirammal
e088e8fd2e cephfs: Get rid of locking at nodepublish
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>
2021-07-16 07:18:56 +00:00
Humble Chirammal
ced3a0922f cephfs: Get rid of locking at nodeUnpublish call
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>
2021-07-16 07:18:56 +00:00
Yati Padia
f36d611ef9 cleanup: resolves gofumpt issues of internal codes
This PR runs gofumpt for internal folder.

Updates: #1586

Signed-off-by: Yati Padia <ypadia@redhat.com>
2021-07-14 19:50:56 +00:00
Humble Chirammal
0d432be5bf internal: reformat long lines in internal/cephfs package to 120 chars
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>
2021-06-28 14:43:49 +00:00
Madhu Rajanna
4e2c4ef704 cephfs: return internal server error
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>
2021-06-07 07:38:48 +00:00
Madhu Rajanna
46f1ab9e99 cephfs: use IsMountPoint to check mountpoint
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>
2021-06-07 07:38:48 +00:00
Madhu Rajanna
a666d452bf cephfs: return GRPC error in NodeGetVolumeStats
in case of failure return GRPC error to the caller.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2021-05-31 08:17:37 +00:00
Niels de Vos
c0ab4c03e6 cephfs: move NodeGetVolumeStats() to CephFS NodeServer
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>
2021-05-25 06:41:04 +00:00
Niels de Vos
0f108edc7b cephfs: connect to the Ceph Cluster with go-ceph
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>
2020-10-14 15:16:56 +00:00
Madhu Rajanna
57454cf379 cephfs: replace Errorf with ErrorLog in nodeUnstageVolume
replace Errorf with ErrorLog in nodeUnstageVolume
for context based logging.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-08-13 09:44:12 +00:00
Madhu Rajanna
0a5581b7a0 cephfs: replace Errorf with ErrorLog in NodeUnPublishVolume
cephfs: replace Errorf with ErrorLog in NodeUnPublishVolume
for context based logging.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-08-13 09:44:12 +00:00
Madhu Rajanna
79dbc41d14 cephfs: replace Errorf with ErrorLog in NodePublishVolume
replace Errorf with ErrorLog in NodePublishVolume
for context based logging.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-08-13 09:44:12 +00:00
Madhu Rajanna
48a313c6cc cephfs: replace Errorf with ErrorLog in mount
replace Errorf with ErrorLog in mount for
context based logging.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-08-13 09:44:12 +00:00
Madhu Rajanna
032901b8d0 cephfs: replace Errorf with ErrorLog in nodeStageVolume
replace Errorf with ErrorLog in nodeStageVolume
for context based logging.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-08-13 09:44:12 +00:00
Sven Anderson
dba2c27bcb cephfs: simplify error handling
This change replaces the sentinel errors in cephfs module with
standard errors created with errors.New().

Related: #1203

Signed-off-by: Sven Anderson <sven@redhat.com>
2020-07-23 11:16:40 +00:00
Yug
628ae9e982 cleanup: use wrapped static errors instead of dynamic
In Go 1.13, the fmt.Errorf function supports a new %w verb.
When this verb is present, the error returned by fmt.Errorf
will have an Unwrap method returning the argument of %w,
which must be an error. In all other ways, %w is identical to %v.

Updates: #1227

Signed-off-by: Yug <yuggupta27@gmail.com>
2020-07-21 08:36:24 +00:00
Yug
7f94a57908 cleanup: address godot warnings
Top level comments should end in a period

Signed-off-by: Yug <yuggupta27@gmail.com>
2020-07-21 08:36:24 +00:00
Madhu Rajanna
09ffaee7c3 cleanup: rename newVolumeOptionsFromVersion1Context for more clarity
rename newVolumeOptionsFromVersion1Context to newVolumeOptionsFromMonitorList
to provide more clarity to the function readers and also fixed comments.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-13 04:04:28 +00:00
Yug
1490daed7e cleanup: Avoid usage of numbers
Add seperate functions to handle all
levels and types of logging.

Signed-off-by: Yug <yuggupta27@gmail.com>
2020-07-10 07:41:23 +00:00
Yug
8dc4ab6b1b rebase: update k8s.io/klog to v2.3.0
Update klog version to v2.3.0

Signed-off-by: Yug <yuggupta27@gmail.com>
2020-07-10 07:41:23 +00:00
Niels de Vos
72c74f5f8a cleanup: use errors.As() in cephfs.NodeStageVolume()
See-also: https://github.com/golang/go/wiki/ErrorValueFAQ#how-should-i-change-my-error-handling-code-to-work-with-the-new-features
Signed-off-by: Niels de Vos <ndevos@redhat.com>
2020-07-03 09:12:48 +00:00
Madhu Rajanna
e1fd12fb29 cephfs: do chmod on stagingpath
instead of doing chmod on the targetpath always
do it once at the stagintpath.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-06-30 17:43:41 +00:00
Madhu Rajanna
4d11490a2b cephfs: Add support for ROX PVC
cephcsi need to add mount the cephfs subvolume
as the readonly when the PVC type is ROX to
provide only readonly access to the users

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-06-30 17:43:41 +00:00
Mudit Agarwal
9fe7d1612e journal: In mount failure case, suggest to check the kernel logs
When mounting fails, the node-plugin should give a suggestion to check the
kernel logs so that users can report problems better.
Edited the existing log to include the message in both rbd and cephfs.
Fixes: https://github.com/ceph/ceph-csi/issues/1006

Signed-off-by: Mudit Agarwal <muagarwa@redhat.com>
2020-05-27 10:52:37 +00:00
Niels de Vos
32839948ef cleanup: move pkg/ to internal/
The internal/ directory in Go has a special meaning, and indicates that
those packages are not meant for external consumption. Ceph-CSI does
provide public APIs for other projects to consume. There is no plan to
keep the API of the internally used packages stable.

Closes: #903
Signed-off-by: Niels de Vos <ndevos@redhat.com>
2020-04-23 11:00:59 +00:00