def test_keep_container_running(temp_repo_func):
backend = DockerBackend(verbosity=2, keep_container_running=True)
arca = Arca(backend=backend, base_dir=BASE_DIR)
task = Task("test_file:return_str_function")
backend.check_docker_access() # init docker client
container_count = len(backend.client.containers.list())
assert arca.run(temp_repo_func.url, temp_repo_func.branch,
task).output == "Some string"
count_after_run = len(backend.client.containers.list())
assert count_after_run == container_count + 1 # let's assume no changes are done to containers elsewhere
assert arca.run(temp_repo_func.url, temp_repo_func.branch,
task).output == "Some string"
count_after_second_run = len(backend.client.containers.list())
assert count_after_second_run == container_count + 1 # the count is still the same
backend.stop_containers()
count_after_stop = len(backend.client.containers.list())
assert count_after_stop == container_count
def run(self):
import requests
import arca
from arca import DockerBackend
backend = DockerBackend()
backend.check_docker_access()
response = requests.get(
"https://hub.docker.com/v2/repositories/mikicz/arca/tags/",
params={"page_size": 1000})
response = response.json()
available_tags = [x["name"] for x in response["results"]]
if arca.__version__ in available_tags:
print("This version was already pushed into the registry.")
base_arca_name, base_arca_tag = backend.get_arca_base()
print(
f"Pulled image {base_arca_name}:{base_arca_tag}, might have to build new python versions."
)
else:
base_arca_name, base_arca_tag = backend.get_arca_base(pull=False)
print(f"Built image {base_arca_name}:{base_arca_tag}")
if self.verbose:
for x in backend.client.images.push(base_arca_name,
tag=base_arca_tag,
stream=True):
print(x.decode("utf-8"), end="")
else:
backend.client.images.push(base_arca_name, tag=base_arca_tag)
print(f"Pushed image {base_arca_name}:{base_arca_tag}")
for python_version in self.list_python_versions():
tag = backend.get_python_base_tag(python_version)
if tag in available_tags:
print(
f"Skipping Python version {python_version}, already built for this version of arca."
)
continue
image_name, image_tag = backend.get_python_base(python_version,
pull=False)
print(f"Built image {image_name}:{image_tag}")
if self.verbose:
for x in backend.client.images.push(image_name,
tag=image_tag,
stream=True):
print(x.decode("utf-8"), end="")
else:
backend.client.images.push(image_name, tag=image_tag)
print(f"Pushed image {image_name}:{image_tag}")