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shadow.go
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shadow.go
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package database
import (
"database/sql"
"github.com/baetyl/baetyl-cloud/models"
"github.com/baetyl/baetyl-cloud/plugin/database/entities"
"github.com/jmoiron/sqlx"
)
const batchSize = 200
func (d *dbStorage) Get(namespace, name string) (*models.Shadow, error) {
return d.GetShadowTx(nil, namespace, name)
}
func (d *dbStorage) Create(shadow *models.Shadow) (*models.Shadow, error) {
var shd *models.Shadow
err := d.Transact(func(tx *sqlx.Tx) error {
_, err := d.CreateShadowTx(tx, shadow)
if err != nil {
return err
}
shd, err = d.GetShadowTx(tx, shadow.Namespace, shadow.Name)
return err
})
return shd, err
}
func (d *dbStorage) List(namespace string, nodeList *models.NodeList) (*models.ShadowList, error) {
names := make([]string, 0, len(nodeList.Items))
for _, node := range nodeList.Items {
names = append(names, node.Name)
}
shadows, err := d.ListShadowByNamesTx(nil, namespace, names)
if err != nil {
return nil, err
}
total := len(shadows)
items := make([]models.Shadow, 0, total)
for _, s := range shadows {
shd, _ := s.ToShadowModel()
items = append(items, *shd)
}
result := &models.ShadowList{
Total: total,
Items: items,
}
return result, nil
}
func (d *dbStorage) Delete(namespace, name string) error {
_, err := d.DeleteShadowTx(nil, namespace, name)
return err
}
func (d *dbStorage) UpdateDesire(shadow *models.Shadow) (*models.Shadow, error) {
var shd *models.Shadow
err := d.Transact(func(tx *sqlx.Tx) error {
_, err := d.UpdateShadowDesireTx(tx, shadow)
if err != nil {
return err
}
shd, err = d.GetShadowTx(tx, shadow.Namespace, shadow.Name)
return err
})
return shd, err
}
func (d *dbStorage) UpdateReport(shadow *models.Shadow) (*models.Shadow, error) {
var shd *models.Shadow
err := d.Transact(func(tx *sqlx.Tx) error {
_, err := d.UpdateShadowReportTx(tx, shadow)
if err != nil {
return err
}
shd, err = d.GetShadowTx(tx, shadow.Namespace, shadow.Name)
return err
})
return shd, err
}
func (d *dbStorage) GetShadowTx(tx *sqlx.Tx, namespace, name string) (*models.Shadow, error) {
selectSQL := `
SELECT
id, name, namespace, report, desire, create_time, update_time
FROM baetyl_node_shadow WHERE namespace=? AND name=?
`
var shadows []entities.Shadow
if err := d.query(tx, selectSQL, &shadows, namespace, name); err != nil {
return nil, err
}
if len(shadows) > 0 {
return shadows[0].ToShadowModel()
}
return nil, nil
}
func (d *dbStorage) CreateShadowTx(tx *sqlx.Tx, shadow *models.Shadow) (sql.Result, error) {
insertSQL := `
INSERT INTO baetyl_node_shadow (namespace, name, report, desire)
VALUES (?, ?, ?, ?)
`
shd, err := entities.NewShadowFromShadowModel(shadow)
if err != nil {
return nil, err
}
return d.exec(tx, insertSQL, shd.Namespace, shd.Name, shd.Report, shd.Desire)
}
func (d *dbStorage) DeleteShadowTx(tx *sqlx.Tx, namespace, name string) (sql.Result, error) {
deleteSql := `
DELETE FROM baetyl_node_shadow WHERE namespace=? AND name=?
`
return d.exec(tx, deleteSql, namespace, name)
}
func (d *dbStorage) UpdateShadowDesireTx(tx *sqlx.Tx, shadow *models.Shadow) (sql.Result, error) {
updateSQL := `
UPDATE baetyl_node_shadow
SET desire=?
WHERE namespace=? AND name=?
`
desire, err := shadow.GetDesireString()
if err != nil {
return nil, err
}
return d.exec(tx, updateSQL, desire, shadow.Namespace, shadow.Name)
}
func (d *dbStorage) UpdateShadowReportTx(tx *sqlx.Tx, shadow *models.Shadow) (sql.Result, error) {
updateSQL := `
UPDATE baetyl_node_shadow
SET report=?
WHERE namespace=? AND name=?
`
report, err := shadow.GetReportString()
if err != nil {
return nil, err
}
return d.exec(tx, updateSQL, report, shadow.Namespace, shadow.Name)
}
func (d *dbStorage) ListShadowByNamesTx(tx *sqlx.Tx, namespace string, names []string) ([]entities.Shadow, error) {
selectSQL := `
SELECT
id, name, namespace, report, desire, create_time, update_time
FROM baetyl_node_shadow WHERE namespace=? AND name in (?)
`
result := make([]entities.Shadow, 0)
length := len(names)
for start, end := 0, batchSize; start < length; start, end = end, end+batchSize {
if end > length {
end = length
}
var shadows []entities.Shadow
sql, args, err := sqlx.In(selectSQL, namespace, names[start:end])
if err != nil {
return nil, err
}
if err := d.query(tx, sql, &shadows, args...); err != nil {
return nil, err
}
result = append(result, shadows...)
}
return result, nil
}