7120a729bd
+ DB access is now right and uses copied sessions + DB session is now specifying the safe state and the mode + Fixed the issue with too early ICCC messages regarding to late cache + Add the MIME type for Dart + Fixed the issuse with wrong order of shutdown handlers - TODO: Testing of these changes
60 lines
2.4 KiB
Go
60 lines
2.4 KiB
Go
package CustomerDB
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import "labix.org/v2/mgo"
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import "github.com/SommerEngineering/Ocean/ConfigurationDB"
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import "github.com/SommerEngineering/Ocean/Log"
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import LM "github.com/SommerEngineering/Ocean/Log/Meta"
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func init() {
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameDATABASE, `Init the customer database.`)
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databaseHost := ConfigurationDB.Read(`CustomerDBHost`)
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databaseDB = ConfigurationDB.Read(`CustomerDBDatabase`)
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databaseUsername = ConfigurationDB.Read(`CustomerDBUsername`)
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databasePassword = ConfigurationDB.Read(`CustomerDBPassword`)
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// Connect to MongoDB:
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if newSession, errDial := mgo.Dial(databaseHost); errDial != nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityUnknown, LM.ImpactUnknown, LM.MessageNameDATABASE, `It was not possible to connect to the MongoDB host `+databaseHost, errDial.Error())
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return
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} else {
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mainSession = newSession
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}
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// Use the correct database:
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db := mainSession.DB(databaseDB)
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if db == nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to get the customer database.`)
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return
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}
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// Login:
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if errLogin := db.Login(databaseUsername, databasePassword); errLogin != nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelSECURITY, LM.SeverityUnknown, LM.ImpactUnknown, LM.MessageNameDATABASE, `It was not possible to login the user `+databaseUsername, errLogin.Error())
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return
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}
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// In case of write operations, wait for the majority of servers to be done:
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mainSession.SetSafe(&mgo.Safe{WMode: "majority"})
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// Set the consistency mode to read from any secondary server and write to the primary.
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// Copied sessions can overwrite this setting of necessary.
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mainSession.SetMode(mgo.Eventual, true)
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// Get the GridFS:
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gridFS := db.GridFS(`fs`)
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if gridFS == nil {
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Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to get the GridFS from the database.`)
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return
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}
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// Ensure the indexes for the GridFS:
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filesCollection := gridFS.Files
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filesCollection.EnsureIndexKey(`uploadDate`)
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filesCollection.EnsureIndexKey(`filename`)
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filesCollection.EnsureIndexKey(`filename`, `uploadDate`)
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameDATABASE, `Customer database is now ready.`)
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}
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