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package erasure_coding
import (
"fmt"
"time"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb/worker_pb"
"github.com/seaweedfs/seaweedfs/weed/worker/tasks"
"github.com/seaweedfs/seaweedfs/weed/worker/tasks/base"
"github.com/seaweedfs/seaweedfs/weed/worker/types"
)
// Global variable to hold the task definition for configuration updates
var globalTaskDef *base.TaskDefinition
// Auto-register this task when the package is imported
func init() {
RegisterErasureCodingTask()
// Register config updater
tasks.AutoRegisterConfigUpdater(types.TaskTypeErasureCoding, UpdateConfigFromPersistence)
}
// RegisterErasureCodingTask registers the erasure coding task with the new architecture
func RegisterErasureCodingTask() {
// Create configuration instance
config := NewDefaultConfig()
// Create complete task definition
taskDef := &base.TaskDefinition{
Type: types.TaskTypeErasureCoding,
Name: "erasure_coding",
DisplayName: "Erasure Coding",
Description: "Applies erasure coding to volumes for data protection",
Icon: "fas fa-shield-alt text-success",
Capabilities: []string{"erasure_coding", "data_protection"},
Config: config,
ConfigSpec: GetConfigSpec(),
CreateTask: func(params *worker_pb.TaskParams) (types.Task, error) {
if params == nil {
return nil, fmt.Errorf("task parameters are required")
}
return NewErasureCodingTask(
fmt.Sprintf("erasure_coding-%d", params.VolumeId),
params.Server,
params.VolumeId,
params.Collection,
), nil
},
DetectionFunc: Detection,
ScanInterval: 1 * time.Hour,
SchedulingFunc: Scheduling,
MaxConcurrent: 1,
RepeatInterval: 24 * time.Hour,
}
// Store task definition globally for configuration updates
globalTaskDef = taskDef
// Register everything with a single function call!
base.RegisterTask(taskDef)
}
// UpdateConfigFromPersistence updates the erasure coding configuration from persistence
func UpdateConfigFromPersistence(configPersistence interface{}) error {
if globalTaskDef == nil {
return fmt.Errorf("erasure coding task not registered")
}
// Load configuration from persistence
newConfig := LoadConfigFromPersistence(configPersistence)
if newConfig == nil {
return fmt.Errorf("failed to load configuration from persistence")
}
// Update the task definition's config
globalTaskDef.Config = newConfig
glog.V(1).Infof("Updated erasure coding task configuration from persistence")
return nil
}
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