Admin page can get access to the image file saved in database but Celery task can't get access to that image file and shows error FileNotFoundError(2, 'No such file or directory').
docker-compose.yml
version: "3"
services:
app: &app
build:
context: .
ports:
- "8000:8000"
volumes:
- ./backend:/backend
command: >
sh -c "python manage.py wait_for_db &&
python manage.py migrate &&
python manage.py runserver 0.0.0.0:8000"
environment:
- SECRET_KEY=mysecretkey
- DB_HOST=db
- DB_NAME=election
- DB_USER=postgres
- DB_PASS=supersecretpassword
depends_on:
- db
- redis
db:
image: postgres:12-alpine
environment:
- POSTGRES_DB=election
- POSTGRES_USER=postgres
- POSTGRES_PASSWORD=supersecretpassword
volumes:
- postgresql_data:/var/lib/postgresql/data
ports:
- 5432:5432
redis:
image: redis:6-alpine
celery:
<<: *app
command: celery -A app worker -l INFO
ports: []
volumes:
- ./backend:/backend
depends_on:
- app
- redis
- db
volumes:
postgresql_data:
Dockerfile
FROM python:3.8
ENV PYTHONUNBUFFERED 1
# Face-recognition model
RUN apt-get -y update
RUN apt-get install -y --fix-missing \
build-essential \
cmake \
gfortran \
git \
wget \
curl \
graphicsmagick \
libgraphicsmagick1-dev \
libatlas-base-dev \
libavcodec-dev \
libavformat-dev \
libgtk2.0-dev \
libjpeg-dev \
liblapack-dev \
libswscale-dev \
pkg-config \
python3-dev \
python3-numpy \
software-properties-common \
zip \
# web3
libssl-dev \
# QR code
zbar-tools \
libzbar-dev \
&& apt-get autoremove \
&& apt-get clean && rm -rf /tmp/* /var/tmp/*
COPY ./requirements.txt /requirements.txt
RUN pip install -r requirements.txt
RUN mkdir /backend
WORKDIR /backend
COPY ./backend /backend
RUN mkdir -p /vol/web/media
RUN mkdir -p /vol/web/static
RUN useradd -ms /bin/bash user
RUN chown -R user:user /vol/
RUN chmod -R 755 /vol/web
USER user
Celery task
from celery import shared_task
from django.contrib.auth import get_user_model
from django.core.mail import send_mail
from django.core.mail import EmailMessage
from email.mime.image import MIMEImage
from django.core.mail import message
from core.models import Profile
from django.template.loader import render_to_string
from time import sleep
import os
@shared_task
def id_generated(profile_id):
"""
Task to send an e-mail with ID image attached.
"""
profile = Profile.objects.get(id=profile_id)
print(profile.id_card)
subject = 'ID card.'
print(profile.id_card.path)
message = render_to_string('mails/id_card_html.html')
email = EmailMessage(subject,
message,
'admin@myshop.com',
[profile.user.email])
image = profile.id_card.open().read()
email.attach(image)
email.add_header('Content-ID', '<embed_image>')
email.send()
And Error is
celery_1 | [2020-09-28 11:35:28,604: ERROR/ForkPoolWorker-1] Task core.tasks.id_generated[b11d5f6d-0b7c-4e97-a548-1787ac49c80a] raised unexpected: FileNotFoundError(2, 'No such file or directory')
celery_1 | Traceback (most recent call last):
celery_1 | File "/usr/local/lib/python3.8/site-packages/celery/app/trace.py", line 409, in trace_task
celery_1 | R = retval = fun(*args, **kwargs)
celery_1 | File "/usr/local/lib/python3.8/site-packages/celery/app/trace.py", line 701, in __protected_call__
celery_1 | return self.run(*args, **kwargs)
celery_1 | File "/backend/core/tasks.py", line 33, in id_generated
celery_1 | image = profile.id_card.open().read()
celery_1 | File "/usr/local/lib/python3.8/site-packages/django/db/models/fields/files.py", line 74, in open
celery_1 | self.file = self.storage.open(self.name, mode)
celery_1 | File "/usr/local/lib/python3.8/site-packages/django/core/files/storage.py", line 36, in open
celery_1 | return self._open(name, mode)
celery_1 | File "/usr/local/lib/python3.8/site-packages/django/core/files/storage.py", line 231, in _open
celery_1 | return File(open(self.path(name), mode))
celery_1 | FileNotFoundError: [Errno 2] No such file or directory: '/vol/web/media/uploads/user/2/card/2f6552ec-d86c-4a4b-886e-923bf9d21742.jpg'
Image file can be read anywhere except from celery task, Any solution?
