def generate_ddc_project_compose(project: Project) -> Path:
"""This function is called every time ddc-project is run.
It assembles a docker-compose file from the given configuration.
It should execute as fast as possible.
"""
project_compose_path = project.private_filepath("docker-compose.yml")
template_path = DDC_PROJECT_TEMPLATE_PATH
final_image = None
if image_exists(project.image_name):
final_image = project.image_name
if not image_exists(project.requirements_image_name):
logger.warning(f"Image {project.requirements_image_name} not found\n"
"Run\nderex build requirements\n to build it")
openedx_customizations = project.get_openedx_customizations()
tmpl = Template(template_path.read_text())
text = tmpl.render(
project=project,
final_image=final_image,
wsgi_py_path=WSGI_PY_PATH,
derex_django_path=DEREX_DJANGO_PATH,
openedx_customizations=openedx_customizations,
)
project_compose_path.write_text(text)
return project_compose_path
def build_requirements_image(project: Project):
"""Build the docker image the includes project requirements for the given project.
The requirements are installed in a container based on the dev image, and assets
are compiled there.
"""
if project.requirements_dir is None:
return
paths_to_copy = [str(project.requirements_dir)]
dockerfile_contents = [f"FROM {project.base_image}"]
dockerfile_contents.extend(
docker_commands_to_install_requirements(project))
openedx_customizations = project.get_openedx_customizations()
if openedx_customizations:
openedx_customizations_paths = [DEREX_OPENEDX_CUSTOMIZATIONS_PATH]
if project.openedx_customizations_dir:
openedx_customizations_paths.append(
project.openedx_customizations_dir)
for openedx_customization_path in openedx_customizations_paths:
paths_to_copy.append(openedx_customization_path)
for destination, source in openedx_customizations.items():
docker_build_context_source = source
for openedx_customization_path in openedx_customizations_paths:
docker_build_context_source = docker_build_context_source.replace(
str(openedx_customization_path), "openedx_customizations")
dockerfile_contents.append(
f"COPY {docker_build_context_source} {destination}")
compile_command = ("; \\\n").join((
# Remove files from the previous image
"rm -rf /openedx/staticfiles",
"derex_update_assets",
"derex_cleanup_assets",
))
if project.config.get("update_assets", False):
dockerfile_contents.append(f"RUN sh -c '{compile_command}'")
dockerfile_text = "\n".join(dockerfile_contents)
build_image(dockerfile_text,
paths_to_copy,
tag=project.requirements_image_name)