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Ensure that the namespaced collections in the logs db are removed during teardown. #160

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Mar 24, 2021
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Ensure that the namespaced collections in the logs db are removed during teardown. #160

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14 changes: 14 additions & 0 deletions mgo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -763,6 +763,20 @@ func clearCollections(db *mgo.Database) error {
if err != nil {
return errors.Trace(err)
}

// The "logs" db is special because tests create namespaced capped
// collections for their logs. Contrary to the other DBs where we
// just flush their contents, we need to drop any collection in the
// "logs" db to avoid an unbounded growth of capped collections.
if db.Name == "logs" {
for _, name := range collectionNames {
if err = db.C(name).DropCollection(); err != nil {
return errors.Trace(err)
}
}
return nil
}

for _, name := range collectionNames {
if strings.HasPrefix(name, "system.") {
continue
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