func (db *SQLDB) DesireLRP(logger lager.Logger, desiredLRP *models.DesiredLRP) error {
logger = logger.WithData(lager.Data{"process_guid": desiredLRP.ProcessGuid})
logger.Info("starting")
defer logger.Info("complete")
return db.transact(logger, func(logger lager.Logger, tx *sql.Tx) error {
routesData, err := db.encodeRouteData(logger, desiredLRP.Routes)
if err != nil {
logger.Error("failed-encoding-route-data", err)
return err
}
runInfo := desiredLRP.DesiredLRPRunInfo(db.clock.Now())
runInfoData, err := db.serializeModel(logger, &runInfo)
if err != nil {
logger.Error("failed-to-serialize-model", err)
return err
}
volumePlacement := &models.VolumePlacement{}
volumePlacement.DriverNames = []string{}
for _, mount := range desiredLRP.VolumeMounts {
volumePlacement.DriverNames = append(volumePlacement.DriverNames, mount.Driver)
}
volumePlacementData, err := db.serializeModel(logger, volumePlacement)
if err != nil {
logger.Error("failed-to-serialize-model", err)
return err
}
guid, err := db.guidProvider.NextGUID()
if err != nil {
logger.Error("failed-to-generate-guid", err)
return models.ErrGUIDGeneration
}
placementTagData, err := json.Marshal(desiredLRP.PlacementTags)
if err != nil {
logger.Error("failed-to-serialize-model", err)
return err
}
desiredLRP.ModificationTag = &models.ModificationTag{Epoch: guid, Index: 0}
_, err = db.insert(logger, tx, desiredLRPsTable,
SQLAttributes{
"process_guid": desiredLRP.ProcessGuid,
"domain": desiredLRP.Domain,
"log_guid": desiredLRP.LogGuid,
"annotation": desiredLRP.Annotation,
"instances": desiredLRP.Instances,
"memory_mb": desiredLRP.MemoryMb,
"disk_mb": desiredLRP.DiskMb,
"rootfs": desiredLRP.RootFs,
"volume_placement": volumePlacementData,
"modification_tag_epoch": desiredLRP.ModificationTag.Epoch,
"modification_tag_index": desiredLRP.ModificationTag.Index,
"routes": routesData,
"run_info": runInfoData,
"placement_tags": placementTagData,
},
)
if err != nil {
logger.Error("failed-inserting-desired", err)
return db.convertSQLError(err)
}
return nil
})
}