django phase2.3.4.

backend/igny8_core/admin/celery_admin.py

@@ -0,0 +1,154 @@
+"""
+Celery Task Monitoring Admin
+"""
+from django.contrib import admin
+from django.utils.html import format_html
+from django.contrib import messages
+from django_celery_results.models import TaskResult
+from rangefilter.filters import DateRangeFilter
+
+
+class CeleryTaskResultAdmin(admin.ModelAdmin):
+    """Admin interface for monitoring Celery tasks"""
+    
+    list_display = [
+        'task_id',
+        'task_name',
+        'colored_status',
+        'date_created',
+        'date_done',
+        'execution_time',
+    ]
+    list_filter = [
+        'status',
+        'task_name',
+        ('date_created', DateRangeFilter),
+        ('date_done', DateRangeFilter),
+    ]
+    search_fields = ['task_id', 'task_name', 'task_args']
+    readonly_fields = [
+        'task_id', 'task_name', 'task_args', 'task_kwargs', 
+        'result', 'traceback', 'date_created', 'date_done',
+        'colored_status', 'execution_time'
+    ]
+    date_hierarchy = 'date_created'
+    ordering = ['-date_created']
+    
+    actions = ['retry_failed_tasks', 'clear_old_tasks']
+    
+    fieldsets = (
+        ('Task Information', {
+            'fields': ('task_id', 'task_name', 'colored_status')
+        }),
+        ('Execution Details', {
+            'fields': ('date_created', 'date_done', 'execution_time')
+        }),
+        ('Task Arguments', {
+            'fields': ('task_args', 'task_kwargs'),
+            'classes': ('collapse',)
+        }),
+        ('Result & Errors', {
+            'fields': ('result', 'traceback'),
+            'classes': ('collapse',)
+        }),
+    )
+    
+    def colored_status(self, obj):
+        """Display status with color coding"""
+        colors = {
+            'SUCCESS': '#0bbf87',  # IGNY8 success green
+            'FAILURE': '#ef4444',  # IGNY8 danger red
+            'PENDING': '#ff7a00',  # IGNY8 warning orange
+            'STARTED': '#0693e3',  # IGNY8 primary blue
+            'RETRY': '#5d4ae3',    # IGNY8 purple
+        }
+        color = colors.get(obj.status, '#64748b')  # Default gray
+        
+        return format_html(
+            '<span style="color: {}; font-weight: bold; font-size: 14px;">{}</span>',
+            color,
+            obj.status
+        )
+    colored_status.short_description = 'Status'
+    
+    def execution_time(self, obj):
+        """Calculate and display execution time"""
+        if obj.date_done and obj.date_created:
+            duration = obj.date_done - obj.date_created
+            seconds = duration.total_seconds()
+            
+            if seconds < 1:
+                return format_html('<span style="color: #0bbf87;">{:.2f}ms</span>', seconds * 1000)
+            elif seconds < 60:
+                return format_html('<span style="color: #0693e3;">{:.2f}s</span>', seconds)
+            else:
+                minutes = seconds / 60
+                return format_html('<span style="color: #ff7a00;">{:.1f}m</span>', minutes)
+        return '-'
+    execution_time.short_description = 'Duration'
+    
+    def retry_failed_tasks(self, request, queryset):
+        """Retry failed celery tasks"""
+        from celery import current_app
+        
+        failed_tasks = queryset.filter(status='FAILURE')
+        count = 0
+        errors = []
+        
+        for task in failed_tasks:
+            try:
+                # Get task function
+                task_func = current_app.tasks.get(task.task_name)
+                if task_func:
+                    # Parse task args and kwargs
+                    import ast
+                    try:
+                        args = ast.literal_eval(task.task_args) if task.task_args else []
+                        kwargs = ast.literal_eval(task.task_kwargs) if task.task_kwargs else {}
+                    except:
+                        args = []
+                        kwargs = {}
+                    
+                    # Retry the task
+                    task_func.apply_async(args=args, kwargs=kwargs)
+                    count += 1
+                else:
+                    errors.append(f'Task function not found: {task.task_name}')
+            except Exception as e:
+                errors.append(f'Error retrying {task.task_id}: {str(e)}')
+        
+        if count > 0:
+            self.message_user(request, f'✅ Retried {count} failed task(s)', messages.SUCCESS)
+        
+        if errors:
+            for error in errors[:5]:  # Show max 5 errors
+                self.message_user(request, f'⚠️ {error}', messages.WARNING)
+    
+    retry_failed_tasks.short_description = '🔄 Retry Failed Tasks'
+    
+    def clear_old_tasks(self, request, queryset):
+        """Clear old completed tasks"""
+        from datetime import timedelta
+        from django.utils import timezone
+        
+        # Delete tasks older than 30 days
+        cutoff_date = timezone.now() - timedelta(days=30)
+        old_tasks = queryset.filter(
+            date_created__lt=cutoff_date,
+            status__in=['SUCCESS', 'FAILURE']
+        )
+        
+        count = old_tasks.count()
+        old_tasks.delete()
+        
+        self.message_user(request, f'🗑️ Cleared {count} old task(s)', messages.SUCCESS)
+    
+    clear_old_tasks.short_description = '🗑️ Clear Old Tasks (30+ days)'
+    
+    def has_add_permission(self, request):
+        """Disable manual task creation"""
+        return False
+    
+    def has_change_permission(self, request, obj=None):
+        """Make read-only"""
+        return False