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journal: remove SetCSIDirectorySuffix to simplify journal creation

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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>
This commit is contained in:
John Mulligan
2020-05-11 17:21:30 -04:00
committed by mergify[bot]
parent b065726f19
commit 78a6de2bd0
3 changed files with 9 additions and 21 deletions
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7
internal/cephfs/driver.go
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@ -109,11 +109,8 @@ func (fs *Driver) Run(conf *util.Config, cachePersister util.CachePersister) {
if conf.InstanceID != "" {
CSIInstanceID = conf.InstanceID
}
// Get an instance of the volume journal
volJournal = journal.NewCSIVolumeJournal()
// Update keys with CSI instance suffix
volJournal.SetCSIDirectorySuffix(CSIInstanceID)
// Create an instance of the volume journal
volJournal = journal.NewCSIVolumeJournal(CSIInstanceID)
// Update namespace for storing keys into a specific namespace on RADOS, in the CephFS
// metadata pool