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rbd: fix topology snapshot pool

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Restoring a snapshot with a new PVC results with a wrong
dataPoolName in case of initial volume linked
to a storageClass with topology constraints and erasure coding.

Signed-off-by: Thibaut Blanchard <thibaut.blanchard@gmail.com>
This commit is contained in:
Thibaut Blanchard
2022-03-08 13:45:01 +01:00
committed by mergify[bot]
parent 134603540b
commit e874c9c11b
3 changed files with 17 additions and 15 deletions
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14
internal/util/topology.go
View File

@ -168,14 +168,14 @@ func GetTopologyFromRequest(
return &topologyPools, accessibilityRequirements, nil
}
// MatchTopologyForPool returns the topology map, if the passed in pool matches any
// MatchPoolAndTopology returns the topology map, if the passed in pool matches any
// passed in accessibility constraints.
func MatchTopologyForPool(topologyPools *[]TopologyConstrainedPool,
accessibilityRequirements *csi.TopologyRequirement, poolName string) (map[string]string, error) {
func MatchPoolAndTopology(topologyPools *[]TopologyConstrainedPool,
accessibilityRequirements *csi.TopologyRequirement, poolName string) (string, string, map[string]string, error) {
var topologyPool []TopologyConstrainedPool
if topologyPools == nil || accessibilityRequirements == nil {
return nil, nil
return "", "", nil, nil
}
// find the pool in the list of topology based pools
@ -187,13 +187,11 @@ func MatchTopologyForPool(topologyPools *[]TopologyConstrainedPool,
}
}
if len(topologyPool) == 0 {
return nil, fmt.Errorf("none of the configured topology pools (%+v) matched passed in pool name (%s)",
return "", "", nil, fmt.Errorf("none of the configured topology pools (%+v) matched passed in pool name (%s)",
topologyPools, poolName)
}
_, _, topology, err := FindPoolAndTopology(&topologyPool, accessibilityRequirements)
return topology, err
return FindPoolAndTopology(&topologyPool, accessibilityRequirements)
}
// FindPoolAndTopology loops through passed in "topologyPools" and also related

8
internal/util/topology_test.go
View File

@ -37,7 +37,7 @@ func checkAndReportError(t *testing.T, msg string, err error) {
}
}
// TestFindPoolAndTopology also tests MatchTopologyForPool.
// TestFindPoolAndTopology also tests MatchPoolAndTopology.
func TestFindPoolAndTopology(t *testing.T) {
t.Parallel()
var err error
@ -319,15 +319,15 @@ func TestFindPoolAndTopology(t *testing.T) {
t.Errorf("expected data pool to be named ec-%s, got %s", poolName, dataPoolName)
}
// TEST: MatchTopologyForPool
// TEST: MatchPoolAndTopology
// check for non-existent pool
_, err = MatchTopologyForPool(&validMultipleTopoPools, &validAccReq, pool1+"fuzz")
_, _, _, err = MatchPoolAndTopology(&validMultipleTopoPools, &validAccReq, pool1+"fuzz")
if err == nil {
t.Errorf("expected failure due to non-existent pool name (%s) got success", pool1+"fuzz")
}
// check for existing pool
topoSegment, err = MatchTopologyForPool(&validMultipleTopoPools, &validAccReq, pool1)
_, _, topoSegment, err = MatchPoolAndTopology(&validMultipleTopoPools, &validAccReq, pool1)
err = checkOutput(err, pool1, topoSegment)
checkAndReportError(t, "expected success got:", err)
}