Ocean/CustomerDB/Init.go
2014-04-26 11:18:56 +02:00

53 lines
2.1 KiB
Go

package CustomerDB
import "labix.org/v2/mgo"
import "github.com/SommerEngineering/Ocean/ConfigurationDB"
import "github.com/SommerEngineering/Ocean/Log"
import LM "github.com/SommerEngineering/Ocean/Log/Meta"
func init() {
Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameDATABASE, `Init the customer database.`)
databaseHost := ConfigurationDB.Read(`CustomerDBHost`)
databaseDB := ConfigurationDB.Read(`CustomerDBDatabase`)
databaseUsername := ConfigurationDB.Read(`CustomerDBUsername`)
databasePassword := ConfigurationDB.Read(`CustomerDBPassword`)
// Connect to MongoDB:
if newSession, errDial := mgo.Dial(databaseHost); errDial != nil {
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())
return
} else {
session = newSession
}
// Use the correct database:
db = session.DB(databaseDB)
if db == nil {
Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to get the customer database.`)
return
}
// Login:
if errLogin := db.Login(databaseUsername, databasePassword); errLogin != nil {
Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelSECURITY, LM.SeverityUnknown, LM.ImpactUnknown, LM.MessageNameDATABASE, `It was not possible to login the user `+databaseUsername, errLogin.Error())
return
}
// Get the GridFS:
gridFS = db.GridFS(`fs`)
if gridFS == nil {
Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to get the GridFS from the database.`)
return
}
// Ensure the indexes for the GridFS:
filesCollection := gridFS.Files
filesCollection.EnsureIndexKey(`uploadDate`)
filesCollection.EnsureIndexKey(`filename`)
filesCollection.EnsureIndexKey(`filename`, `uploadDate`)
Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameDATABASE, `Customer database is now ready.`)
}