d7b164133a
The Manager now has a sleep scheduler for Workers. The API and background service work, but there is no web interface yet. Manifest Task: T99397
115 lines
3.4 KiB
Go
115 lines
3.4 KiB
Go
package persistence
|
|
|
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
"git.blender.org/flamenco/pkg/api"
|
|
)
|
|
|
|
type Worker struct {
|
|
Model
|
|
UUID string `gorm:"type:char(36);default:'';unique;index;default:''"`
|
|
Secret string `gorm:"type:varchar(255);default:''"`
|
|
Name string `gorm:"type:varchar(64);default:''"`
|
|
|
|
Address string `gorm:"type:varchar(39);default:'';index"` // 39 = max length of IPv6 address.
|
|
Platform string `gorm:"type:varchar(16);default:''"`
|
|
Software string `gorm:"type:varchar(32);default:''"`
|
|
Status api.WorkerStatus `gorm:"type:varchar(16);default:''"`
|
|
LastSeenAt time.Time `gorm:"index"` // Should contain UTC timestamps.
|
|
|
|
StatusRequested api.WorkerStatus `gorm:"type:varchar(16);default:''"`
|
|
LazyStatusRequest bool `gorm:"type:smallint;default:0"`
|
|
|
|
SupportedTaskTypes string `gorm:"type:varchar(255);default:''"` // comma-separated list of task types.
|
|
}
|
|
|
|
func (w *Worker) Identifier() string {
|
|
return fmt.Sprintf("%s (%s)", w.Name, w.UUID)
|
|
}
|
|
|
|
// TaskTypes returns the worker's supported task types as list of strings.
|
|
func (w *Worker) TaskTypes() []string {
|
|
return strings.Split(w.SupportedTaskTypes, ",")
|
|
}
|
|
|
|
// StatusChangeRequest stores a requested status change on the Worker.
|
|
// This just updates the Worker instance, but doesn't store the change in the
|
|
// database.
|
|
func (w *Worker) StatusChangeRequest(status api.WorkerStatus, isLazyRequest bool) {
|
|
w.StatusRequested = status
|
|
w.LazyStatusRequest = isLazyRequest
|
|
}
|
|
|
|
// StatusChangeClear clears the requested status change of the Worker.
|
|
// This just updates the Worker instance, but doesn't store the change in the
|
|
// database.
|
|
func (w *Worker) StatusChangeClear() {
|
|
w.StatusRequested = ""
|
|
w.LazyStatusRequest = false
|
|
}
|
|
|
|
func (db *DB) CreateWorker(ctx context.Context, w *Worker) error {
|
|
if err := db.gormDB.WithContext(ctx).Create(w).Error; err != nil {
|
|
return fmt.Errorf("creating new worker: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) FetchWorker(ctx context.Context, uuid string) (*Worker, error) {
|
|
w := Worker{}
|
|
tx := db.gormDB.WithContext(ctx).
|
|
First(&w, "uuid = ?", uuid)
|
|
if tx.Error != nil {
|
|
return nil, workerError(tx.Error, "fetching worker")
|
|
}
|
|
return &w, nil
|
|
}
|
|
|
|
func (db *DB) FetchWorkers(ctx context.Context) ([]*Worker, error) {
|
|
workers := make([]*Worker, 0)
|
|
tx := db.gormDB.WithContext(ctx).Model(&Worker{}).Scan(&workers)
|
|
if tx.Error != nil {
|
|
return nil, workerError(tx.Error, "fetching all workers")
|
|
}
|
|
return workers, nil
|
|
}
|
|
|
|
func (db *DB) SaveWorkerStatus(ctx context.Context, w *Worker) error {
|
|
err := db.gormDB.WithContext(ctx).
|
|
Model(w).
|
|
Select("status", "status_requested", "lazy_status_request").
|
|
Updates(Worker{
|
|
Status: w.Status,
|
|
StatusRequested: w.StatusRequested,
|
|
LazyStatusRequest: w.LazyStatusRequest,
|
|
}).Error
|
|
if err != nil {
|
|
return fmt.Errorf("saving worker: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (db *DB) SaveWorker(ctx context.Context, w *Worker) error {
|
|
if err := db.gormDB.WithContext(ctx).Save(w).Error; err != nil {
|
|
return fmt.Errorf("saving worker: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// WorkerSeen marks the worker as 'seen' by this Manager. This is used for timeout detection.
|
|
func (db *DB) WorkerSeen(ctx context.Context, w *Worker) error {
|
|
tx := db.gormDB.WithContext(ctx).
|
|
Model(w).
|
|
Updates(Worker{LastSeenAt: db.gormDB.NowFunc()})
|
|
if err := tx.Error; err != nil {
|
|
return workerError(err, "saving worker 'last seen at'")
|
|
}
|
|
return nil
|
|
}
|