Hello,
We are using an implementation of a build server which utilizes toaster for
build artifact/stage presentation. In order to achieve this we run a main
instance with nobuild which lives outside of our build environments i.e.
https://docs.yoctoproject.org/4.3.4/toaster-manual/setup-and-use.html#setting-up-toaster-without-a-build-server
(
https://docs.yoctoproject.org/4.3.4/toaster-manual/setup-and-use.html#setting-up-toaster-without-a-build-server
) as we only want the web interface to catch and show our command line builds
cd /var/www/toaster/
source poky/oe-init-build-env
source toaster start nobuild
then from our build environments we run a noweb instance i.e.
https://docs.yoctoproject.org/4.3.4/toaster-manual/setup-and-use.html#setting-up-toaster-without-a-web-server
source /projects/project1/poky/oe-init-build-env
source toaster start noweb
bitbake target
source toaster stop
and all is good. This works well where projects as well as the main instance of
poky used to launch the webserver share the same version, say gatesgarth.
However, then comes a time where one of the projects moves on to a later
version of poky, say scarthgap, and the noweb launch starts having issues. We
setup a venv in that particular build env and install all the toaster reqs.
Starting the noweb instance at this point
$ cd /projects/project2/
$ source poky/oe-init build
$ source venv/bin/activate
$ source toaster start noweb
The system will start.
Traceback (most recent call last):
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/backends/mysql/base.py",
line 15, in <module>
import MySQLdb as Database
ModuleNotFoundError: No module named 'MySQLdb'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/projects/project2/sources/poky/bitbake/bin/../lib/toaster/manage.py",
line 16, in <module>
execute_from_command_line(sys.argv)
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/core/management/__init__.py",
line 419, in execute_from_command_line
utility.execute()
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/core/management/__init__.py",
line 395, in execute
django.setup()
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/__init__.py",
line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/apps/registry.py",
line 114, in populate
app_config.import_models()
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/apps/config.py",
line 301, in import_models
self.models_module = import_module(models_module_name)
File "/projects/project2/build/venv/lib/python3.6/importlib/__init__.py",
line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 994, in _gcd_import
File "<frozen importlib._bootstrap>", line 971, in _find_and_load
File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/contrib/auth/models.py",
line 3, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/contrib/auth/base_user.py",
line 48, in <module>
class AbstractBaseUser(models.Model):
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/models/base.py",
line 122, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/models/base.py",
line 326, in add_to_class
value.contribute_to_class(cls, name)
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/models/options.py",
line 207, in contribute_to_class
self.db_table = truncate_name(self.db_table,
connection.ops.max_name_length())
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/utils/connection.py",
line 15, in __getattr__
return getattr(self._connections[self._alias], item)
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/utils/connection.py",
line 62, in __getitem__
conn = self.create_connection(alias)
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/utils.py",
line 204, in create_connection
backend = load_backend(db['ENGINE'])
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/utils.py",
line 111, in load_backend
return import_module('%s.base' % backend_name)
File "/projects/project2/build/venv/lib/python3.6/importlib/__init__.py",
line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File
"/projects/project2/build/venv/lib/python3.6/site-packages/django/db/backends/mysql/base.py",
line 20, in <module>
) from err
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module.
Did you install mysqlclient?
Failed migrations, halting system start
Failed start.
Any ideas what might be going wrong here? Also, any suggestions of doing this
in a way that could save us from compatibility issues when the poky version
moves?
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