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ifxdbcfg.go
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ifxdbcfg.go
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package config
import (
"fmt"
)
/***************************
IfxDBCfg DB backends
-GetIfxDBCfgCfgByID(struct)
-GetIfxDBCfgMap (map - for interna config use
-GetIfxDBCfgArray(Array - for web ui use )
-GetIfxDBCfgArrayByMeasName(Array - for web ui use )
-AddIfxDBCfg
-DelIfxDBCfg
-UpdateIfxDBCfg
-GetIfxDBCfgAffectOnDel
***********************************/
/*GetIfxDBCfgByID get device data by id*/
func (dbc *DatabaseCfg) GetIfxDBCfgByID(id string) (IfxDBCfg, error) {
cfgarray, err := dbc.GetIfxDBCfgArray("id='" + id + "'")
if err != nil {
return IfxDBCfg{}, err
}
if len(cfgarray) > 1 {
return IfxDBCfg{}, fmt.Errorf("Error %d results on get IfxDBCfg by id %s", len(cfgarray), id)
}
if len(cfgarray) == 0 {
return IfxDBCfg{}, fmt.Errorf("Error no values have been returned with this id %s in the config table", id)
}
return *cfgarray[0], nil
}
/*GetIfxDBCfgMap return data in map format*/
func (dbc *DatabaseCfg) GetIfxDBCfgMap(filter string) (map[string]*IfxDBCfg, error) {
cfgarray, err := dbc.GetIfxDBCfgArray(filter)
cfgmap := make(map[string]*IfxDBCfg)
for _, val := range cfgarray {
cfgmap[val.ID] = val
log.Debugf("%+v", *val)
}
return cfgmap, err
}
/*GetIfxDBCfgArray generate an array of devices with all its information */
func (dbc *DatabaseCfg) GetIfxDBCfgArray(filter string) ([]*IfxDBCfg, error) {
var err error
var devices []*IfxDBCfg
//Get Only data for selected devices
if len(filter) > 0 {
if err = dbc.x.Where(filter).Find(&devices); err != nil {
log.Warnf("GetIfxDBCfgArray. Fail to get IfxDBCfg data filteter with %s : %v\n", filter, err)
return nil, err
}
} else {
if err = dbc.x.Find(&devices); err != nil {
log.Warnf("Fail to get influxcfg data: %v\n", err)
return nil, err
}
}
for _, mVal := range devices {
//Measurements for each DB
var dbmeas []*IfxDBMeasRel
if err = dbc.x.Where("ifxdbid = '" + mVal.ID + "'").Find(&dbmeas); err != nil {
log.Warnf("GetIfxDBCfgArray. Fail to get MGroup Measurements relationship data: %v\n", err)
}
for _, m := range dbmeas {
mVal.Measurements = append(mVal.Measurements, &ItemComponent{ID: m.IfxMeasID, Name: m.IfxMeasName})
}
/*results, err := dbc.x.Query("select rel.ifxdbid as dbid , rel.ifxmeasid as measid , meas.name as measname from ifx_db_meas_rel as rel , ifx_measurement_cfg as meas where rel.ifxmeasid = meas.ID and rel.ifxmeasid = " + mVal.ID)
if err != nil {
log.Warnf("Fail to Query DB to Measurement : %s", err)
}
for _, item := range results {
id, err := strconv.ParseInt(string(item["measid"]), 10, 64)
if err != nil {
log.Warnf("Fail to parse int from select data: %v\n", err)
}
lab := string(item["measname"])
mVal.Measurements = append(mVal.Measurements, &ItemComponent{ID: id, Label: lab})
}*/
}
return devices, nil
}
/*GetIfxDBCfgArrayByMeasName Gets an array of Influx databases with their measurements */
func (dbc *DatabaseCfg) GetIfxDBCfgArrayByMeasName(filter string) ([]*IfxDBCfg, error) {
var err error
var devices []*IfxDBCfg
sqlquery := "select distinct id, name, ifxserver, retention, description from ifx_db_cfg, ifx_db_meas_rel where ifx_db_meas_rel.ifxdbid = ifx_db_cfg.id "
if len(filter) > 0 {
sqlquery = sqlquery + " and ifxmeasname = '" + filter + "' "
}
sqlquery = sqlquery + " order by name, id"
//Get Only data for selected devices
if err = dbc.x.SQL(sqlquery).Find(&devices); err != nil {
log.Warnf("GetIfxDBCfgArrayByMeasName. Fail to get IfxDBCfg data filtered with %s : %v\n", filter, err)
return nil, err
}
for _, mVal := range devices {
//Measurements for each DB
var dbmeas []*IfxDBMeasRel
if err = dbc.x.Where("ifxdbid = '" + mVal.ID + "'").And("ifxmeasname = '" + filter + "'").Find(&dbmeas); err != nil {
log.Warnf("GetIfxDBCfgArrayByMeasName. Fail to get MGroup Measurements relationship data: %v\n", err)
}
for _, m := range dbmeas {
mVal.Measurements = append(mVal.Measurements, &ItemComponent{ID: m.IfxMeasID, Name: m.IfxMeasName})
}
}
return devices, nil
}
/*AddIfxDBCfg for adding new devices*/
func (dbc *DatabaseCfg) AddIfxDBCfg(dev *IfxDBCfg) (int64, error) {
var err error
var affected int64
session := dbc.x.NewSession()
defer session.Close()
affected, err = session.Insert(dev)
if err != nil {
session.Rollback()
return 0, err
}
//log.Debugf("IROW1 %d | IROW2 %d ", irow, irow2)
//Measurement Fields
for _, meas := range dev.Measurements {
mstruct := IfxDBMeasRel{
IfxDBID: dev.ID,
IfxMeasID: meas.ID,
IfxMeasName: meas.Name,
}
_, err = session.Insert(&mstruct)
if err != nil {
session.Rollback()
return 0, err
}
}
//no other relation
err = session.Commit()
if err != nil {
return 0, err
}
log.Infof("Added new Influx DB backend Config Successfully with id %s ", dev.ID)
dbc.addChanges(affected)
return affected, nil
}
/*DelIfxDBCfg for deleting influx databases from ID*/
func (dbc *DatabaseCfg) DelIfxDBCfg(id string) (int64, error) {
var affecteddev, affected int64
var err error
session := dbc.x.NewSession()
defer session.Close()
affecteddev, err = session.Where("ifxdbid = '" + id + "'").Delete(&IfxDBMeasRel{})
if err != nil {
session.Rollback()
return 0, fmt.Errorf("Error on Delete Metric with id on delete IfxDBCfg with id: %s, error: %s", id, err)
}
affected, err = session.Where("id='" + id + "'").Delete(&IfxDBCfg{})
if err != nil {
session.Rollback()
return 0, err
}
err = session.Commit()
if err != nil {
return 0, err
}
log.Infof("Deleted Successfully influx db with ID %s [ %d Devices Affected ]", id, affecteddev)
dbc.addChanges(affected + affecteddev)
return affected, nil
}
// AddOrUpdateIfxDBCfg this method insert data if not previouosly exist the tuple ifxServer.Name or update it if already exist
func (dbc *DatabaseCfg) AddOrUpdateIfxDBCfg(dev *IfxDBCfg) (int64, error) {
log.Debugf("AddOrUpdateIfxDBCfg. ADD OR UPDATE %+v", dev)
//check if exist
m, err := dbc.GetIfxDBCfgArray("name = '" + dev.Name + "' AND ifxserver = '" + dev.IfxServer + "'")
if err != nil {
return 0, err
}
switch len(m) {
case 1:
log.Debugf("Updating InfluxDB %+v", m)
return dbc.UpdateIfxDBCfg(m[0].ID, dev)
case 0:
log.Debugf("Adding new InfluxDB %+v", dev)
return dbc.AddIfxDBCfg(dev)
default:
log.Errorf("There is some error when searching for db %+v , found %d", dev, len(m))
return 0, fmt.Errorf("There is some error when searching for db %+v , found %d", dev, len(m))
}
}
/*UpdateIfxDBCfg for adding new influxdb*/
func (dbc *DatabaseCfg) UpdateIfxDBCfg(nid string, new *IfxDBCfg) (int64, error) {
var affecteddev, affected int64
var err error
m, err := dbc.GetIfxDBCfgArray("name = '" + new.Name + "' AND ifxserver = '" + new.IfxServer + "'")
if err != nil {
return 0, err
}
old := m[0]
//first get ID
session := dbc.x.NewSession()
defer session.Close()
//Delete first
//first check if id < 1 => search for the current ID for the unique IfxServer.Name
affected, err = session.Where("id='" + old.ID + "'").UseBool().AllCols().Update(new)
if err != nil {
session.Rollback()
return 0, err
}
//Delete current relations
affecteddev, err = session.Where("ifxdbid = '" + old.ID + "'").Delete(&IfxDBMeasRel{})
if err != nil {
session.Rollback()
return 0, fmt.Errorf("Error on Delete Metric with id on delete IfxDBCfg with id: %s, error: %s", old.ID, err)
}
//Delete old measurements new ones has been initialized witn new ID's
for _, meas := range old.Measurements {
dbc.DelIfxMeasurementCfg(meas.ID)
}
//Add New Relations
//Measurement Fields
for _, meas := range new.Measurements {
mstruct := IfxDBMeasRel{
IfxDBID: old.ID,
IfxMeasID: meas.ID,
IfxMeasName: meas.Name,
}
log.Debugf("UpdateIfxDBCfg. Inserting into IfxDBMeasRel:%+v", mstruct)
_, err = session.Insert(&mstruct)
if err != nil {
session.Rollback()
return 0, err
}
}
err = session.Commit()
if err != nil {
return 0, err
}
log.Infof("Updated Influx DB Config Successfully with id %s and data:%+v, affected", old.ID, new)
dbc.addChanges(affected + affecteddev)
return affected, nil
}
/*GetIfxDBCfgAffectOnDel for deleting devices from ID*/
func (dbc *DatabaseCfg) GetIfxDBCfgAffectOnDel(id string) ([]*DbObjAction, error) {
var devices []*AlertIDCfg
var obj []*DbObjAction
if err := dbc.x.Where("kapacitorid='" + id + "'").Find(&devices); err != nil {
log.Warnf("Error on Get Outout db id %d for devices , error: %s", id, err)
return nil, err
}
for _, val := range devices {
obj = append(obj, &DbObjAction{
Type: "alertidcfg",
TypeDesc: "",
ObID: val.ID,
Action: "Change alert to Other Kapacitor alert",
})
}
return obj, nil
}