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59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
import contextlib
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import subprocess
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from typing import Optional, Union
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import pytest
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import pytest_docker.plugin
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def is_responsive(container_name: str, port: int, hostname: Optional[str]) -> bool:
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"""A cheap way to figure out if a port is responsive on a container"""
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if hostname:
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cmd = f"docker exec {container_name} /bin/bash -c 'echo -n > /dev/tcp/{hostname}/{port}'"
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else:
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# use the hostname of the container
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cmd = f"docker exec {container_name} /bin/bash -c 'c_host=`hostname`;echo -n > /dev/tcp/$c_host/{port}'"
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ret = subprocess.run(
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cmd,
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shell=True,
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)
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return ret.returncode == 0
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def wait_for_port(
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docker_services: pytest_docker.plugin.Services,
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container_name: str,
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container_port: int,
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hostname: str = None,
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timeout: float = 30.0,
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) -> None:
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# import pdb
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# breakpoint()
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try:
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# port = docker_services.port_for(container_name, container_port)
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docker_services.wait_until_responsive(
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timeout=timeout,
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pause=0.5,
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check=lambda: is_responsive(container_name, container_port, hostname),
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)
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finally:
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# use check=True to raise an error if command gave bad exit code
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subprocess.run(f"docker logs {container_name}", shell=True, check=True)
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@pytest.fixture
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def docker_compose_runner(docker_compose_project_name, docker_cleanup):
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@contextlib.contextmanager
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def run(
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compose_file_path: Union[str, list], key: str
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) -> pytest_docker.plugin.Services:
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with pytest_docker.plugin.get_docker_services(
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compose_file_path,
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f"{docker_compose_project_name}-{key}",
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docker_cleanup,
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) as docker_services:
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yield docker_services
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return run
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