Commit Graph

14 Commits

Author SHA1 Message Date
Madhu Rajanna
4be9c0159f rbd: add minsnapshotsonimage flag
An rbd image can have a maximum number of
snapshots defined by maxsnapshotsonimage
On the limit is reached the cephcsi will
start flattening the older snapshots and
returns the ABORT error message, The Request
comes after this as to wait till all the
images are flattened (this will increase the
PVC creation time.  Instead of waiting till
the maximum snapshots on an RBD image, we can
have a soft limit, once the limit reached
cephcsi will start flattening the task to
break the chain. With this PVC  creation time
will only be affected when the hard limit
(minsnapshotsonimage) reached.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 8d3a44d0c4)
2020-11-18 20:11:43 +05:30
Madhu Rajanna
4b5952d15a rbd: replace klog with util logger in driver.go
replace klog with util logger in driver.go

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 883485b082)
2020-08-19 15:35:13 +00:00
Madhu Rajanna
18f4e9d519 util: move csiconfigfile to util
as we have csiconfigfile in both cephfs
and rbd moving the configfile path to
util folder.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-08-11 10:02:53 +00:00
Madhu Rajanna
b3a4f510e6 rbd: take operation locks before operating on resource
Take operation locks on the resources before operating
on the resouces. This allows us to do parallel operations
for some RPC calls such as Clone and Restore of PVC.
This operations will only be blocked if the image is
expanding or Snapshot and RBD image is getting deleted.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-21 13:25:19 +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
d15ded88f5 cleanup: Remove support for Delete and Unmounting v1.1.0 PVC
as v1.0.0 is deprecated we need to remove the support
for it in the Next coming (v3.0.0) release. This PR
removes the support for the same.

closes #882

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-10 16:07:13 +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
Madhu Rajanna
8ef7143e6c rbd: add maxsnapshotsonimage flag
Added maxsnapshotsonimage flag to flatten
the older rbd images on the chain to avoid
issue in krbd.The limit is in krbd since it
only allocate 1 4KiB page to handle all the
snapshot ids for an image.

The max limit is 510 as per
https://github.com/torvalds/linux/blob/
aaa2faab4ed8e5fe0111e04d6e168c028fe2987f/drivers/block/rbd.c#L98
in cephcsi we arekeeping the default to 450 to reserve 10%
to avoid issues.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-06 10:08:31 +00:00
Madhu Rajanna
b085577a4f rbd: add skipForceFlatten flag
added skipForceFlatten flag to skip
the image deptha and skip image flattening.
This will be very useful if the kernel is
not listed in cephcsi which supports deep
flatten fauture.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-01 08:21:47 +00:00
Madhu Rajanna
9b518726ab rbd: add hardlimt and softlimit flag
added Hardlimit and Softlimit flags for cephcsi
arguments. When the Softlimit is reached cephcsi
will start a background task to flatten the rbd
image and return success and if the hardlimit
is reached it will start a background task
to flatten the rbd image and return ready
to use as false to make sure that the image
will not be used until it is flatten.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2020-07-01 08:21:47 +00:00
John Mulligan
8dea42a624 journal: rename CSIJournal to Config
This better reflects what it actually does now.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
2020-05-15 15:14:48 +00:00
John Mulligan
78a6de2bd0 journal: remove SetCSIDirectorySuffix to simplify journal creation
The function SetCSIDirectorySuffix was used only one per (long-lived,
gloabl) journal object. It is simpler to construct the journal objects
with this needed parameter:
1. As it is required to function and non-optional AFAICT
2. Removes the temptation to mutate global object
3. Reduces LOC with exact same functionality
4. SetCSIDirectorySuffix would not behave correctly if called a 2nd time
   anyway.

Point 4. means that if you called the function twice to change the
suffix when you previously had "csi.volumes.alice", you'd get
"csi.volumes.alice.bob" instead of "csi.volumes.bob" what one would
expect.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
2020-05-12 08:19:09 +00:00
John Mulligan
c8271fe64c journal: move voljournal.go to a new package
This new journal package isolates journal logic from the rest of util
and helps draw bright lines between what is a generic utility function
and what is csi journal logic.

Done partly as preparation for making use of go-ceph in journal.

No functional changes are made except to update references to allow the
code to compile.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
2020-04-24 07:36:38 +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