kopia lustrzana https://github.com/OpenDroneMap/WebODM
92 wiersze
2.9 KiB
Python
92 wiersze
2.9 KiB
Python
import traceback
|
|
|
|
from celery.utils.log import get_task_logger
|
|
from django.core.exceptions import ObjectDoesNotExist
|
|
from django.db import transaction
|
|
from django.db.models import Count
|
|
from django.db.models import Q
|
|
|
|
from app.models import Project
|
|
from app.models import Task
|
|
from app.plugins.grass_engine import grass, GrassEngineException
|
|
from nodeodm import status_codes
|
|
from nodeodm.models import ProcessingNode
|
|
from webodm import settings
|
|
from .celery import app
|
|
import redis
|
|
|
|
logger = get_task_logger(__name__)
|
|
redis_client = redis.Redis.from_url(settings.CELERY_BROKER_URL)
|
|
|
|
@app.task
|
|
def update_nodes_info():
|
|
processing_nodes = ProcessingNode.objects.all()
|
|
for processing_node in processing_nodes:
|
|
processing_node.update_node_info()
|
|
|
|
|
|
@app.task
|
|
def cleanup_projects():
|
|
# Delete all projects that are marked for deletion
|
|
# and that have no tasks left
|
|
total, count_dict = Project.objects.filter(deleting=True).annotate(
|
|
tasks_count=Count('task')
|
|
).filter(tasks_count=0).delete()
|
|
if total > 0 and 'app.Project' in count_dict:
|
|
logger.info("Deleted {} projects".format(count_dict['app.Project']))
|
|
|
|
|
|
@app.task
|
|
def process_task(taskId):
|
|
try:
|
|
lock = redis_client.lock('task_lock_{}'.format(taskId))
|
|
have_lock = lock.acquire(blocking=False)
|
|
|
|
if not have_lock:
|
|
return
|
|
|
|
try:
|
|
task = Task.objects.get(pk=taskId)
|
|
except ObjectDoesNotExist:
|
|
logger.info("Task id {} has already been deleted.".format(taskId))
|
|
return
|
|
|
|
try:
|
|
task.process()
|
|
except Exception as e:
|
|
logger.error(
|
|
"Uncaught error! This is potentially bad. Please report it to http://github.com/OpenDroneMap/WebODM/issues: {} {}".format(
|
|
e, traceback.format_exc()))
|
|
if settings.TESTING: raise e
|
|
finally:
|
|
try:
|
|
if have_lock:
|
|
lock.release()
|
|
except redis.exceptions.LockError:
|
|
# A lock could have expired
|
|
pass
|
|
|
|
def get_pending_tasks():
|
|
# All tasks that have a processing node assigned
|
|
# Or that need one assigned (via auto)
|
|
# or tasks that need a status update
|
|
# or tasks that have a pending action
|
|
return Task.objects.filter(Q(processing_node__isnull=True, auto_processing_node=True) |
|
|
Q(Q(status=None) | Q(status__in=[status_codes.QUEUED, status_codes.RUNNING]),
|
|
processing_node__isnull=False) |
|
|
Q(pending_action__isnull=False))
|
|
|
|
@app.task
|
|
def process_pending_tasks():
|
|
tasks = get_pending_tasks()
|
|
for task in tasks:
|
|
process_task.delay(task.id)
|
|
|
|
|
|
@app.task
|
|
def execute_grass_script(script, serialized_context = {}):
|
|
try:
|
|
ctx = grass.create_context(serialized_context)
|
|
return ctx.execute(script)
|
|
except GrassEngineException as e:
|
|
return {'error': str(e)} |