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rbd: add hardlimt and softlimit flag

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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>
This commit is contained in:
Madhu Rajanna
2020-06-24 12:14:02 +05:30
committed by mergify[bot]
parent 3e7fa93256
commit 9b518726ab
7 changed files with 56 additions and 17 deletions
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5
internal/util/util.go
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@ -98,6 +98,11 @@ type Config struct {
// cephfs related flags
ForceKernelCephFS bool // force to use the ceph kernel client even if the kernel is < 4.17
// RbdHardMaxCloneDepth is the hard limit for maximum number of nested volume clones that are taken before a flatten occurs
RbdHardMaxCloneDepth uint
// RbdSoftMaxCloneDepth is the soft limit for maximum number of nested volume clones that are taken before a flatten occurs
RbdSoftMaxCloneDepth uint
}
// CreatePersistanceStorage creates storage path and initializes new cache