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|
package base
import (
"time"
"github.com/seaweedfs/seaweedfs/weed/worker/types"
)
// GenericDetector implements TaskDetector using function-based logic
type GenericDetector struct {
taskDef *TaskDefinition
}
// NewGenericDetector creates a detector from a task definition
func NewGenericDetector(taskDef *TaskDefinition) *GenericDetector {
return &GenericDetector{taskDef: taskDef}
}
// GetTaskType returns the task type
func (d *GenericDetector) GetTaskType() types.TaskType {
return d.taskDef.Type
}
// ScanForTasks scans using the task definition's detection function
func (d *GenericDetector) ScanForTasks(volumeMetrics []*types.VolumeHealthMetrics, clusterInfo *types.ClusterInfo) ([]*types.TaskDetectionResult, error) {
if d.taskDef.DetectionFunc == nil {
return nil, nil
}
return d.taskDef.DetectionFunc(volumeMetrics, clusterInfo, d.taskDef.Config)
}
// ScanInterval returns the scan interval from task definition
func (d *GenericDetector) ScanInterval() time.Duration {
if d.taskDef.ScanInterval > 0 {
return d.taskDef.ScanInterval
}
return 30 * time.Minute // Default
}
// IsEnabled returns whether this detector is enabled
func (d *GenericDetector) IsEnabled() bool {
return d.taskDef.Config.IsEnabled()
}
// GenericScheduler implements TaskScheduler using function-based logic
type GenericScheduler struct {
taskDef *TaskDefinition
}
// NewGenericScheduler creates a scheduler from a task definition
func NewGenericScheduler(taskDef *TaskDefinition) *GenericScheduler {
return &GenericScheduler{taskDef: taskDef}
}
// GetTaskType returns the task type
func (s *GenericScheduler) GetTaskType() types.TaskType {
return s.taskDef.Type
}
// CanScheduleNow determines if a task can be scheduled using the task definition's function
func (s *GenericScheduler) CanScheduleNow(task *types.Task, runningTasks []*types.Task, availableWorkers []*types.Worker) bool {
if s.taskDef.SchedulingFunc == nil {
return s.defaultCanSchedule(task, runningTasks, availableWorkers)
}
return s.taskDef.SchedulingFunc(task, runningTasks, availableWorkers, s.taskDef.Config)
}
// defaultCanSchedule provides default scheduling logic
func (s *GenericScheduler) defaultCanSchedule(task *types.Task, runningTasks []*types.Task, availableWorkers []*types.Worker) bool {
if !s.taskDef.Config.IsEnabled() {
return false
}
// Count running tasks of this type
runningCount := 0
for _, runningTask := range runningTasks {
if runningTask.Type == s.taskDef.Type {
runningCount++
}
}
// Check concurrency limit
maxConcurrent := s.taskDef.MaxConcurrent
if maxConcurrent <= 0 {
maxConcurrent = 1 // Default
}
if runningCount >= maxConcurrent {
return false
}
// Check if we have available workers
for _, worker := range availableWorkers {
if worker.CurrentLoad < worker.MaxConcurrent {
for _, capability := range worker.Capabilities {
if capability == s.taskDef.Type {
return true
}
}
}
}
return false
}
// GetPriority returns the priority for this task
func (s *GenericScheduler) GetPriority(task *types.Task) types.TaskPriority {
return task.Priority
}
// GetMaxConcurrent returns max concurrent tasks
func (s *GenericScheduler) GetMaxConcurrent() int {
if s.taskDef.MaxConcurrent > 0 {
return s.taskDef.MaxConcurrent
}
return 1 // Default
}
// GetDefaultRepeatInterval returns the default repeat interval
func (s *GenericScheduler) GetDefaultRepeatInterval() time.Duration {
if s.taskDef.RepeatInterval > 0 {
return s.taskDef.RepeatInterval
}
return 24 * time.Hour // Default
}
// IsEnabled returns whether this scheduler is enabled
func (s *GenericScheduler) IsEnabled() bool {
return s.taskDef.Config.IsEnabled()
}
|
