b50066ef5d
- Bugfix: The configuration collection can not have a key for the values. - Bugfix: It was possible, that the shutdown handler list was init to late. + ConfigDB: It is now possible to write and therefore to change a configuration value. + Added a few more message names for the logger.
44 lines
1.7 KiB
Go
44 lines
1.7 KiB
Go
package ConfigurationDB
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import "labix.org/v2/mgo"
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import "github.com/SommerEngineering/Ocean/Configuration"
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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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config := Configuration.Read()
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// Connect to MongoDB:
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if newSession, errDial := mgo.Dial(config.ConfigDBHostname); 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 `+config.ConfigDBHostname, errDial.Error())
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return
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} else {
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session = newSession
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}
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// Use the correct database:
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db = session.DB(config.ConfigDBDatabase)
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// Login:
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if errLogin := db.Login(config.ConfigDBConfigurationCollectionUsername, config.ConfigDBConfigurationCollectionPassword); 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 `+config.ConfigDBConfigurationCollectionUsername, 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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session.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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session.SetMode(mgo.Eventual, true)
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// Get the collection:
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collection = db.C(config.ConfigDBConfigurationCollection)
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// Take care about the index:
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collection.EnsureIndexKey(`Name`)
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checkConfiguration()
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Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameDATABASE, `The configuration database is now ready.`)
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}
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