fetch_ml/internal/domain/task.go
Jeremie Fraeys 02811c0ffe
fix: resolve TODOs and standardize tests
- Fix duplicate check in security_test.go lint warning
- Mark SHA256 tests as Legacy for backward compatibility
- Convert TODO comments to documentation (task, handlers, privacy)
- Update user_manager_test to use GenerateAPIKey pattern
2026-02-19 15:34:59 -05:00

72 lines
3.5 KiB
Go

// Package domain provides core domain types for fetch_ml.
// These types have zero internal dependencies and are used across all packages.
package domain
import (
"time"
)
// Task represents an ML experiment task
type Task struct {
ID string `json:"id"`
JobName string `json:"job_name"`
Args string `json:"args"`
Status string `json:"status"` // queued, running, completed, failed
Priority int64 `json:"priority"`
CreatedAt time.Time `json:"created_at"`
StartedAt *time.Time `json:"started_at,omitempty"`
EndedAt *time.Time `json:"ended_at,omitempty"`
WorkerID string `json:"worker_id,omitempty"`
Error string `json:"error,omitempty"`
Output string `json:"output,omitempty"`
// SnapshotID references the experiment snapshot (code + deps) for this task.
// Currently stores an opaque identifier. Future: verify checksum/digest before execution
// to ensure reproducibility and detect tampering.
SnapshotID string `json:"snapshot_id,omitempty"`
// DatasetSpecs is the preferred structured dataset input and should be authoritative.
DatasetSpecs []DatasetSpec `json:"dataset_specs,omitempty"`
// Datasets is kept for backward compatibility (legacy callers).
Datasets []string `json:"datasets,omitempty"`
Metadata map[string]string `json:"metadata,omitempty"`
// Resource requests (optional, 0 means unspecified)
CPU int `json:"cpu,omitempty"`
MemoryGB int `json:"memory_gb,omitempty"`
GPU int `json:"gpu,omitempty"`
GPUMemory string `json:"gpu_memory,omitempty"`
// User ownership and permissions
UserID string `json:"user_id"` // User who owns this task
Username string `json:"username"` // Username for display
CreatedBy string `json:"created_by"` // User who submitted the task
// Lease management for task resilience
LeaseExpiry *time.Time `json:"lease_expiry,omitempty"` // When task lease expires
LeasedBy string `json:"leased_by,omitempty"` // Worker ID holding lease
// Retry management
RetryCount int `json:"retry_count"` // Number of retry attempts made
MaxRetries int `json:"max_retries"` // Maximum retry limit (default 3)
LastError string `json:"last_error,omitempty"` // Last error encountered
NextRetry *time.Time `json:"next_retry,omitempty"` // When to retry next (exponential backoff)
// Attempt tracking - complete history of all execution attempts
Attempts []Attempt `json:"attempts,omitempty"`
// Optional tracking configuration for this task
Tracking *TrackingConfig `json:"tracking,omitempty"`
}
// Attempt represents a single execution attempt of a task
type Attempt struct {
Attempt int `json:"attempt"` // Attempt number (1-indexed)
StartedAt time.Time `json:"started_at"` // When attempt started
EndedAt *time.Time `json:"ended_at,omitempty"` // When attempt ended (if completed)
WorkerID string `json:"worker_id,omitempty"` // Which worker ran this attempt
Status string `json:"status"` // running, completed, failed
FailureClass FailureClass `json:"failure_class,omitempty"` // Failure classification (if failed)
ExitCode int `json:"exit_code,omitempty"` // Process exit code
Signal string `json:"signal,omitempty"` // Termination signal (if any)
Error string `json:"error,omitempty"` // Error message (if failed)
LogTail string `json:"log_tail,omitempty"` // Last N lines of log output
}