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Commit Graph

4 Commits

Author SHA1 Message Date
Rakshith R
99168dc822 rbd: check for clusterid mapping in RegenerateJournal()
This commit adds fetchMappedClusterIDAndMons() which returns
monitors and clusterID info after checking cluster mapping info.
This is required for regenerating omap entries in mirrored cluster
with different clusterID.

Signed-off-by: Rakshith R <rar@redhat.com>
2021-08-31 14:30:06 +00:00
Rakshith R
496bcba85c rbd: move GetMappedID() to util package
This commit moves getMappedID() from rbd to util
package since it is not rbd specific and exports
it from there.

Signed-off-by: Rakshith R <rar@redhat.com>
2021-08-31 14:30:06 +00:00
Niels de Vos
68588dc7df util: fix unit-test for GetClusterMappingInfo()
Unit-testing often fails due to a race condition while writing the
clusterMappingConfigFile from multiple go-routines at the same time.
Failures from `make containerized-test` look like this:

    === CONT  TestGetClusterMappingInfo/site2-storage_cluster-id_mapping
        cluster_mapping_test.go:153: GetClusterMappingInfo() = <nil>, expected data &[{map[site1-storage:site2-storage] [map[1:3]] [map[11:5]]} {map[site3-storage:site2-storage] [map[8:3]] [map[10:5]]}]
    === CONT  TestGetClusterMappingInfo/site3-storage_cluster-id_mapping
        cluster_mapping_test.go:153: GetClusterMappingInfo() = <nil>, expected data &[{map[site3-storage:site2-storage] [map[8:3]] [map[10:5]]}]
    --- FAIL: TestGetClusterMappingInfo (0.01s)
        --- PASS: TestGetClusterMappingInfo/mapping_file_not_found (0.00s)
        --- PASS: TestGetClusterMappingInfo/mapping_file_found_with_empty_data (0.00s)
        --- PASS: TestGetClusterMappingInfo/cluster-id_mapping_not_found (0.00s)
        --- FAIL: TestGetClusterMappingInfo/site2-storage_cluster-id_mapping (0.00s)
        --- FAIL: TestGetClusterMappingInfo/site3-storage_cluster-id_mapping (0.00s)
        --- PASS: TestGetClusterMappingInfo/site1-storage_cluster-id_mapping (0.00s)

By splitting the public GetClusterMappingInfo() function into an
internal getClusterMappingInfo() that takes a filename, unit-testing can
use different files for each go-routine, and testing becomes more
predictable.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
2021-08-25 16:08:48 +00:00
Madhu Rajanna
ac11d71e19 util: add helper function to read clusterID mapping
added helper function to read the clusterID mapping
from the mounted file.

The clusterID mapping contains below mappings
* ClusterID mappings (to cluster to which we are failingover
and from which cluster failover happened)
* RBD PoolID mapping of between the clusters.
* CephFS FscID mapping between the clusters.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2021-08-05 16:07:51 +00:00