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journal: split journal types creating a new Connection type

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Before, the one CSIJournal type was handling both configuration and
providing methods to make changes to the journal. This created the
temptation to modify the state of the global configuration object to
enact changes through the method calls.

This change creates a new type `journal.Connection` that takes the
monitors and credentials to create a short(er)-lived object to actually
read and make changes on the journal. This also avoid mixing the
arguments needed to connect to the cluster with the arguments needed
for the various journal read & update calls.

Signed-off-by: John Mulligan <jmulligan@redhat.com>
This commit is contained in:
John Mulligan
2020-05-12 17:05:55 -04:00
committed by mergify[bot]
parent f0b3cee94a
commit 52603d595a
6 changed files with 166 additions and 50 deletions
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20
internal/rbd/rbd_util.go
View File

@ -391,8 +391,14 @@ func genSnapFromSnapID(ctx context.Context, rbdSnap *rbdSnapshot, snapshotID str
}
rbdSnap.JournalPool = rbdSnap.Pool
imageAttributes, err := snapJournal.GetImageAttributes(ctx, rbdSnap.Monitors,
cr, rbdSnap.Pool, vi.ObjectUUID, true)
j, err := snapJournal.Connect(rbdSnap.Monitors, cr)
if err != nil {
return err
}
defer j.Destroy()
imageAttributes, err := j.GetImageAttributes(
ctx, rbdSnap.Pool, vi.ObjectUUID, true)
if err != nil {
return err
}
@ -453,8 +459,14 @@ func genVolFromVolID(ctx context.Context, volumeID string, cr *util.Credentials,
}
rbdVol.JournalPool = rbdVol.Pool
imageAttributes, err := volJournal.GetImageAttributes(ctx, rbdVol.Monitors, cr,
rbdVol.Pool, vi.ObjectUUID, false)
j, err := volJournal.Connect(rbdVol.Monitors, cr)
if err != nil {
return nil, err
}
defer j.Destroy()
imageAttributes, err := j.GetImageAttributes(
ctx, rbdVol.Pool, vi.ObjectUUID, false)
if err != nil {
return nil, err
}