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snapshots.mapper.go
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/
snapshots.mapper.go
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//go:build linux && cgo && !agent
package cluster
// The code below was generated by incus-generate - DO NOT EDIT!
import (
"context"
"database/sql"
"errors"
"fmt"
"net/http"
"strings"
"github.com/lxc/incus/internal/server/db/query"
"github.com/lxc/incus/shared/api"
)
var _ = api.ServerEnvironment{}
var instanceSnapshotObjects = RegisterStmt(`
SELECT instances_snapshots.id, projects.name AS project, instances.name AS instance, instances_snapshots.name, instances_snapshots.creation_date, instances_snapshots.stateful, coalesce(instances_snapshots.description, ''), instances_snapshots.expiry_date
FROM instances_snapshots
JOIN projects ON instances.project_id = projects.id
JOIN instances ON instances_snapshots.instance_id = instances.id
ORDER BY projects.id, instances.id, instances_snapshots.name
`)
var instanceSnapshotObjectsByID = RegisterStmt(`
SELECT instances_snapshots.id, projects.name AS project, instances.name AS instance, instances_snapshots.name, instances_snapshots.creation_date, instances_snapshots.stateful, coalesce(instances_snapshots.description, ''), instances_snapshots.expiry_date
FROM instances_snapshots
JOIN projects ON instances.project_id = projects.id
JOIN instances ON instances_snapshots.instance_id = instances.id
WHERE ( instances_snapshots.id = ? )
ORDER BY projects.id, instances.id, instances_snapshots.name
`)
var instanceSnapshotObjectsByProjectAndInstance = RegisterStmt(`
SELECT instances_snapshots.id, projects.name AS project, instances.name AS instance, instances_snapshots.name, instances_snapshots.creation_date, instances_snapshots.stateful, coalesce(instances_snapshots.description, ''), instances_snapshots.expiry_date
FROM instances_snapshots
JOIN projects ON instances.project_id = projects.id
JOIN instances ON instances_snapshots.instance_id = instances.id
WHERE ( project = ? AND instance = ? )
ORDER BY projects.id, instances.id, instances_snapshots.name
`)
var instanceSnapshotObjectsByProjectAndInstanceAndName = RegisterStmt(`
SELECT instances_snapshots.id, projects.name AS project, instances.name AS instance, instances_snapshots.name, instances_snapshots.creation_date, instances_snapshots.stateful, coalesce(instances_snapshots.description, ''), instances_snapshots.expiry_date
FROM instances_snapshots
JOIN projects ON instances.project_id = projects.id
JOIN instances ON instances_snapshots.instance_id = instances.id
WHERE ( project = ? AND instance = ? AND instances_snapshots.name = ? )
ORDER BY projects.id, instances.id, instances_snapshots.name
`)
var instanceSnapshotID = RegisterStmt(`
SELECT instances_snapshots.id FROM instances_snapshots
JOIN projects ON instances.project_id = projects.id
JOIN instances ON instances_snapshots.instance_id = instances.id
WHERE projects.name = ? AND instances.name = ? AND instances_snapshots.name = ?
`)
var instanceSnapshotCreate = RegisterStmt(`
INSERT INTO instances_snapshots (instance_id, name, creation_date, stateful, description, expiry_date)
VALUES ((SELECT instances.id FROM instances JOIN projects ON instances.project_id = projects.id WHERE projects.name = ? AND instances.name = ?), ?, ?, ?, ?, ?)
`)
var instanceSnapshotRename = RegisterStmt(`
UPDATE instances_snapshots SET name = ? WHERE instance_id = (SELECT instances.id FROM instances JOIN projects ON instances.project_id = projects.id WHERE projects.name = ? AND instances.name = ?) AND name = ?
`)
var instanceSnapshotDeleteByProjectAndInstanceAndName = RegisterStmt(`
DELETE FROM instances_snapshots WHERE instance_id = (SELECT instances.id FROM instances JOIN projects ON instances.project_id = projects.id WHERE projects.name = ? AND instances.name = ?) AND name = ?
`)
// instanceSnapshotColumns returns a string of column names to be used with a SELECT statement for the entity.
// Use this function when building statements to retrieve database entries matching the InstanceSnapshot entity.
func instanceSnapshotColumns() string {
return "instances_snapshots.id, projects.name AS project, instances.name AS instance, instances_snapshots.name, instances_snapshots.creation_date, instances_snapshots.stateful, coalesce(instances_snapshots.description, ''), instances_snapshots.expiry_date"
}
// getInstanceSnapshots can be used to run handwritten sql.Stmts to return a slice of objects.
func getInstanceSnapshots(ctx context.Context, stmt *sql.Stmt, args ...any) ([]InstanceSnapshot, error) {
objects := make([]InstanceSnapshot, 0)
dest := func(scan func(dest ...any) error) error {
i := InstanceSnapshot{}
err := scan(&i.ID, &i.Project, &i.Instance, &i.Name, &i.CreationDate, &i.Stateful, &i.Description, &i.ExpiryDate)
if err != nil {
return err
}
objects = append(objects, i)
return nil
}
err := query.SelectObjects(ctx, stmt, dest, args...)
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"instances_snapshots\" table: %w", err)
}
return objects, nil
}
// getInstanceSnapshotsRaw can be used to run handwritten query strings to return a slice of objects.
func getInstanceSnapshotsRaw(ctx context.Context, tx *sql.Tx, sql string, args ...any) ([]InstanceSnapshot, error) {
objects := make([]InstanceSnapshot, 0)
dest := func(scan func(dest ...any) error) error {
i := InstanceSnapshot{}
err := scan(&i.ID, &i.Project, &i.Instance, &i.Name, &i.CreationDate, &i.Stateful, &i.Description, &i.ExpiryDate)
if err != nil {
return err
}
objects = append(objects, i)
return nil
}
err := query.Scan(ctx, tx, sql, dest, args...)
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"instances_snapshots\" table: %w", err)
}
return objects, nil
}
// GetInstanceSnapshots returns all available instance_snapshots.
// generator: instance_snapshot GetMany
func GetInstanceSnapshots(ctx context.Context, tx *sql.Tx, filters ...InstanceSnapshotFilter) ([]InstanceSnapshot, error) {
var err error
// Result slice.
objects := make([]InstanceSnapshot, 0)
// Pick the prepared statement and arguments to use based on active criteria.
var sqlStmt *sql.Stmt
args := []any{}
queryParts := [2]string{}
if len(filters) == 0 {
sqlStmt, err = Stmt(tx, instanceSnapshotObjects)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjects\" prepared statement: %w", err)
}
}
for i, filter := range filters {
if filter.Project != nil && filter.Instance != nil && filter.Name != nil && filter.ID == nil {
args = append(args, []any{filter.Project, filter.Instance, filter.Name}...)
if len(filters) == 1 {
sqlStmt, err = Stmt(tx, instanceSnapshotObjectsByProjectAndInstanceAndName)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjectsByProjectAndInstanceAndName\" prepared statement: %w", err)
}
break
}
query, err := StmtString(instanceSnapshotObjectsByProjectAndInstanceAndName)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjects\" prepared statement: %w", err)
}
parts := strings.SplitN(query, "ORDER BY", 2)
if i == 0 {
copy(queryParts[:], parts)
continue
}
_, where, _ := strings.Cut(parts[0], "WHERE")
queryParts[0] += "OR" + where
} else if filter.Project != nil && filter.Instance != nil && filter.ID == nil && filter.Name == nil {
args = append(args, []any{filter.Project, filter.Instance}...)
if len(filters) == 1 {
sqlStmt, err = Stmt(tx, instanceSnapshotObjectsByProjectAndInstance)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjectsByProjectAndInstance\" prepared statement: %w", err)
}
break
}
query, err := StmtString(instanceSnapshotObjectsByProjectAndInstance)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjects\" prepared statement: %w", err)
}
parts := strings.SplitN(query, "ORDER BY", 2)
if i == 0 {
copy(queryParts[:], parts)
continue
}
_, where, _ := strings.Cut(parts[0], "WHERE")
queryParts[0] += "OR" + where
} else if filter.ID != nil && filter.Project == nil && filter.Instance == nil && filter.Name == nil {
args = append(args, []any{filter.ID}...)
if len(filters) == 1 {
sqlStmt, err = Stmt(tx, instanceSnapshotObjectsByID)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjectsByID\" prepared statement: %w", err)
}
break
}
query, err := StmtString(instanceSnapshotObjectsByID)
if err != nil {
return nil, fmt.Errorf("Failed to get \"instanceSnapshotObjects\" prepared statement: %w", err)
}
parts := strings.SplitN(query, "ORDER BY", 2)
if i == 0 {
copy(queryParts[:], parts)
continue
}
_, where, _ := strings.Cut(parts[0], "WHERE")
queryParts[0] += "OR" + where
} else if filter.ID == nil && filter.Project == nil && filter.Instance == nil && filter.Name == nil {
return nil, fmt.Errorf("Cannot filter on empty InstanceSnapshotFilter")
} else {
return nil, fmt.Errorf("No statement exists for the given Filter")
}
}
// Select.
if sqlStmt != nil {
objects, err = getInstanceSnapshots(ctx, sqlStmt, args...)
} else {
queryStr := strings.Join(queryParts[:], "ORDER BY")
objects, err = getInstanceSnapshotsRaw(ctx, tx, queryStr, args...)
}
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"instances_snapshots\" table: %w", err)
}
return objects, nil
}
// GetInstanceSnapshotDevices returns all available InstanceSnapshot Devices
// generator: instance_snapshot GetMany
func GetInstanceSnapshotDevices(ctx context.Context, tx *sql.Tx, instanceSnapshotID int, filters ...DeviceFilter) (map[string]Device, error) {
instanceSnapshotDevices, err := GetDevices(ctx, tx, "instance_snapshot", filters...)
if err != nil {
return nil, err
}
devices := map[string]Device{}
for _, ref := range instanceSnapshotDevices[instanceSnapshotID] {
_, ok := devices[ref.Name]
if !ok {
devices[ref.Name] = ref
} else {
return nil, fmt.Errorf("Found duplicate Device with name %q", ref.Name)
}
}
return devices, nil
}
// GetInstanceSnapshotConfig returns all available InstanceSnapshot Config
// generator: instance_snapshot GetMany
func GetInstanceSnapshotConfig(ctx context.Context, tx *sql.Tx, instanceSnapshotID int, filters ...ConfigFilter) (map[string]string, error) {
instanceSnapshotConfig, err := GetConfig(ctx, tx, "instance_snapshot", filters...)
if err != nil {
return nil, err
}
config, ok := instanceSnapshotConfig[instanceSnapshotID]
if !ok {
config = map[string]string{}
}
return config, nil
}
// GetInstanceSnapshot returns the instance_snapshot with the given key.
// generator: instance_snapshot GetOne
func GetInstanceSnapshot(ctx context.Context, tx *sql.Tx, project string, instance string, name string) (*InstanceSnapshot, error) {
filter := InstanceSnapshotFilter{}
filter.Project = &project
filter.Instance = &instance
filter.Name = &name
objects, err := GetInstanceSnapshots(ctx, tx, filter)
if err != nil {
return nil, fmt.Errorf("Failed to fetch from \"instances_snapshots\" table: %w", err)
}
switch len(objects) {
case 0:
return nil, api.StatusErrorf(http.StatusNotFound, "InstanceSnapshot not found")
case 1:
return &objects[0], nil
default:
return nil, fmt.Errorf("More than one \"instances_snapshots\" entry matches")
}
}
// GetInstanceSnapshotID return the ID of the instance_snapshot with the given key.
// generator: instance_snapshot ID
func GetInstanceSnapshotID(ctx context.Context, tx *sql.Tx, project string, instance string, name string) (int64, error) {
stmt, err := Stmt(tx, instanceSnapshotID)
if err != nil {
return -1, fmt.Errorf("Failed to get \"instanceSnapshotID\" prepared statement: %w", err)
}
row := stmt.QueryRowContext(ctx, project, instance, name)
var id int64
err = row.Scan(&id)
if errors.Is(err, sql.ErrNoRows) {
return -1, api.StatusErrorf(http.StatusNotFound, "InstanceSnapshot not found")
}
if err != nil {
return -1, fmt.Errorf("Failed to get \"instances_snapshots\" ID: %w", err)
}
return id, nil
}
// InstanceSnapshotExists checks if a instance_snapshot with the given key exists.
// generator: instance_snapshot Exists
func InstanceSnapshotExists(ctx context.Context, tx *sql.Tx, project string, instance string, name string) (bool, error) {
_, err := GetInstanceSnapshotID(ctx, tx, project, instance, name)
if err != nil {
if api.StatusErrorCheck(err, http.StatusNotFound) {
return false, nil
}
return false, err
}
return true, nil
}
// CreateInstanceSnapshot adds a new instance_snapshot to the database.
// generator: instance_snapshot Create
func CreateInstanceSnapshot(ctx context.Context, tx *sql.Tx, object InstanceSnapshot) (int64, error) {
// Check if a instance_snapshot with the same key exists.
exists, err := InstanceSnapshotExists(ctx, tx, object.Project, object.Instance, object.Name)
if err != nil {
return -1, fmt.Errorf("Failed to check for duplicates: %w", err)
}
if exists {
return -1, api.StatusErrorf(http.StatusConflict, "This \"instances_snapshots\" entry already exists")
}
args := make([]any, 7)
// Populate the statement arguments.
args[0] = object.Project
args[1] = object.Instance
args[2] = object.Name
args[3] = object.CreationDate
args[4] = object.Stateful
args[5] = object.Description
args[6] = object.ExpiryDate
// Prepared statement to use.
stmt, err := Stmt(tx, instanceSnapshotCreate)
if err != nil {
return -1, fmt.Errorf("Failed to get \"instanceSnapshotCreate\" prepared statement: %w", err)
}
// Execute the statement.
result, err := stmt.Exec(args...)
if err != nil {
return -1, fmt.Errorf("Failed to create \"instances_snapshots\" entry: %w", err)
}
id, err := result.LastInsertId()
if err != nil {
return -1, fmt.Errorf("Failed to fetch \"instances_snapshots\" entry ID: %w", err)
}
return id, nil
}
// CreateInstanceSnapshotDevices adds new instance_snapshot Devices to the database.
// generator: instance_snapshot Create
func CreateInstanceSnapshotDevices(ctx context.Context, tx *sql.Tx, instanceSnapshotID int64, devices map[string]Device) error {
for key, device := range devices {
device.ReferenceID = int(instanceSnapshotID)
devices[key] = device
}
err := CreateDevices(ctx, tx, "instance_snapshot", devices)
if err != nil {
return fmt.Errorf("Insert Device failed for InstanceSnapshot: %w", err)
}
return nil
}
// CreateInstanceSnapshotConfig adds new instance_snapshot Config to the database.
// generator: instance_snapshot Create
func CreateInstanceSnapshotConfig(ctx context.Context, tx *sql.Tx, instanceSnapshotID int64, config map[string]string) error {
referenceID := int(instanceSnapshotID)
for key, value := range config {
insert := Config{
ReferenceID: referenceID,
Key: key,
Value: value,
}
err := CreateConfig(ctx, tx, "instance_snapshot", insert)
if err != nil {
return fmt.Errorf("Insert Config failed for InstanceSnapshot: %w", err)
}
}
return nil
}
// RenameInstanceSnapshot renames the instance_snapshot matching the given key parameters.
// generator: instance_snapshot Rename
func RenameInstanceSnapshot(ctx context.Context, tx *sql.Tx, project string, instance string, name string, to string) error {
stmt, err := Stmt(tx, instanceSnapshotRename)
if err != nil {
return fmt.Errorf("Failed to get \"instanceSnapshotRename\" prepared statement: %w", err)
}
result, err := stmt.Exec(to, project, instance, name)
if err != nil {
return fmt.Errorf("Rename InstanceSnapshot failed: %w", err)
}
n, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("Fetch affected rows failed: %w", err)
}
if n != 1 {
return fmt.Errorf("Query affected %d rows instead of 1", n)
}
return nil
}
// DeleteInstanceSnapshot deletes the instance_snapshot matching the given key parameters.
// generator: instance_snapshot DeleteOne-by-Project-and-Instance-and-Name
func DeleteInstanceSnapshot(ctx context.Context, tx *sql.Tx, project string, instance string, name string) error {
stmt, err := Stmt(tx, instanceSnapshotDeleteByProjectAndInstanceAndName)
if err != nil {
return fmt.Errorf("Failed to get \"instanceSnapshotDeleteByProjectAndInstanceAndName\" prepared statement: %w", err)
}
result, err := stmt.Exec(project, instance, name)
if err != nil {
return fmt.Errorf("Delete \"instances_snapshots\": %w", err)
}
n, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("Fetch affected rows: %w", err)
}
if n == 0 {
return api.StatusErrorf(http.StatusNotFound, "InstanceSnapshot not found")
} else if n > 1 {
return fmt.Errorf("Query deleted %d InstanceSnapshot rows instead of 1", n)
}
return nil
}