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[#129] policer: Use safer defaults

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If `processNodes` exits earlier for some reason, `needLocalCopy` could
be false.
See https://github.com/nspcc-dev/neofs-node/issues/2267

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-03-06 16:47:35 +03:00
parent 3179610743
commit cb37ab97b5
1 changed files with 8 additions and 2 deletions
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10
pkg/services/policer/check.go
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@ -127,7 +127,7 @@ func (p *Policer) processObject(ctx context.Context, addrWithType objectcore.Add
p.processNodes(c, addrWithType, nn[i], policy.ReplicaNumberByIndex(i), checkedNodes) p.processNodes(c, addrWithType, nn[i], policy.ReplicaNumberByIndex(i), checkedNodes)
} }
if !c.needLocalCopy { if !c.needLocalCopy && c.removeLocalCopy {
p.log.Info("redundant local object copy detected", p.log.Info("redundant local object copy detected",
zap.Stringer("object", addr), zap.Stringer("object", addr),
) )
@ -139,7 +139,11 @@ func (p *Policer) processObject(ctx context.Context, addrWithType objectcore.Add
type processPlacementContext struct { type processPlacementContext struct {
context.Context context.Context
// needLocalCopy is true if the current node must store an object according to the storage policy.
needLocalCopy bool needLocalCopy bool
// removeLocalCopy is true if all copies are stored according to the storage policy
// and the current node doesn't need to store an object.
removeLocalCopy bool
} }
func (p *Policer) processNodes(ctx *processPlacementContext, addrWithType objectcore.AddressWithType, func (p *Policer) processNodes(ctx *processPlacementContext, addrWithType objectcore.AddressWithType,
@ -242,9 +246,11 @@ func (p *Policer) processNodes(ctx *processPlacementContext, addrWithType object
} else if uncheckedCopies > 0 { } else if uncheckedCopies > 0 {
// If we have more copies than needed, but some of them are from the maintenance nodes, // If we have more copies than needed, but some of them are from the maintenance nodes,
// save the local copy. // save the local copy.
ctx.needLocalCopy = true
p.log.Debug("some of the copies are stored on nodes under maintenance, save local copy", p.log.Debug("some of the copies are stored on nodes under maintenance, save local copy",
zap.Int("count", uncheckedCopies)) zap.Int("count", uncheckedCopies))
} else if uncheckedCopies == 0 {
// Safe to remove: checked all copies, shortage == 0.
ctx.removeLocalCopy = true
} }
} }