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docker-socket-proxy
mirror of https://github.com/Tecnativa/docker-socket-proxy
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Improve test configuration and execution

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TT26468
pull/34/head
João Marques 4 years ago
parent f3366b55cb
commit 0c41d3aeb9
1 changed files with 79 additions and 174 deletions
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253
tests/test_service.py
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@ -1,7 +1,9 @@
import json
import logging
from contextlib import contextmanager
import pytest
from plumbum import ProcessExecutionError
from plumbum import ProcessExecutionError, local
from plumbum.cmd import docker
logger = logging.getLogger()
@ -16,204 +18,107 @@ def build_docker_image():
docker("build", "-t", "docker-socket-proxy:local", ".")
def _start_proxy(
container_name=CONTAINER_NAME, socket_proxy=SOCKET_PROXY, extra_args=None
):
logger.info(f"Starting {container_name} with args: {extra_args}...")
docker(
def _start_proxy(env_vars_list):
logger.info(f"Starting docker-socket-proxy container with args: {env_vars_list}...")
# HACK: receive as array to make it easier to handle dynamic env vars for docker
cmd = [
"run",
"-d",
"--name",
container_name,
"--privileged",
"-v",
"/var/run/docker.sock:/var/run/docker.sock",
"-p",
f"{socket_proxy}:2375",
extra_args,
"docker-socket-proxy:local",
)
def _stop_and_delete_proxy(
container_name=CONTAINER_NAME,
):
logger.info(f"Removing {container_name}...")
"2375",
]
cmd.extend(env_vars_list)
cmd.append("docker-socket-proxy:local")
ret_code, stdout, stderr = docker.run(cmd)
# Get container info
container_id = stdout.strip()
container_data = json.loads(docker("inspect", container_id))
socket_port = container_data[0]["NetworkSettings"]["Ports"]["2375/tcp"][0][
"HostPort"
]
return container_id, socket_port
def _stop_and_delete_proxy(container):
logger.info(f"Removing {container}...")
docker(
"container",
"rm",
"-f",
container_name,
container,
)
def _query_docker_with_proxy(socket_proxy=SOCKET_PROXY, extra_args=None):
@contextmanager
def _docker_proxy(**env_vars):
env_vars_list = []
for var in env_vars:
env_vars_list.extend(["-e", f"{var}={env_vars[var]}"])
container, port = _start_proxy(env_vars_list)
# start a test container for queries
test_container = docker("run", "--rm", "-d", "nginx").strip()
try:
_ret_code, stdout, stderr = docker.run(
(
"--host",
socket_proxy,
extra_args,
)
)
except ProcessExecutionError as result:
stdout = result.stdout
stderr = result.stderr
return stdout + stderr
with local.env(DOCKER_HOST=f"127.0.0.1:{port}"):
yield (docker, test_container)
finally:
_stop_and_delete_proxy(container)
docker("stop", test_container)
def _check_permission(assertion, socket_proxy=SOCKET_PROXY, extra_args=None):
if "forbidden" in _query_docker_with_proxy(
socket_proxy=socket_proxy, extra_args=extra_args
):
result = "forbidden"
def _query_docker_with_proxy(*command, allowed=True):
if allowed:
docker(command)
else:
result = "allowed"
assert result == assertion
with pytest.raises(ProcessExecutionError):
docker(command)
def test_default_permissions():
container_name = f"{CONTAINER_NAME}_1"
socket_proxy = "127.0.0.1:2375"
try:
_start_proxy(container_name=container_name, socket_proxy=socket_proxy)
_check_permission("allowed", socket_proxy=socket_proxy, extra_args="version")
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["run", "--rm", "alpine"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["pull", "alpine"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["logs", container_name]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["wait", container_name]
)
_check_permission(
"forbidden",
socket_proxy=socket_proxy,
extra_args=["rm", "-f", container_name],
)
_check_permission(
"forbidden",
socket_proxy=socket_proxy,
extra_args=["restart", container_name],
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["network", "ls"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["config", "ls"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["service", "ls"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["stack", "ls"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["secret", "ls"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["plugin", "ls"]
)
_check_permission("forbidden", socket_proxy=socket_proxy, extra_args=["info"])
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["system", "info"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["build", "."]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["swarm", "init"]
)
finally:
_stop_and_delete_proxy(container_name=container_name)
with _docker_proxy() as (docker, test_container):
_query_docker_with_proxy("version", allowed=True)
_query_docker_with_proxy("pull", "alpine", allowed=False)
_query_docker_with_proxy(
"run", "--rm", "alpine", "--name", test_container, allowed=False
)
_query_docker_with_proxy("logs", test_container, allowed=False)
_query_docker_with_proxy("wait", test_container, allowed=False)
_query_docker_with_proxy("rm", "-f", test_container, allowed=False)
_query_docker_with_proxy("restart", test_container, allowed=False)
_query_docker_with_proxy("network", "ls", allowed=False)
_query_docker_with_proxy("config", "ls", allowed=False)
_query_docker_with_proxy("service", "ls", allowed=False)
_query_docker_with_proxy("stack", "ls", allowed=False)
_query_docker_with_proxy("secret", "ls", allowed=False)
_query_docker_with_proxy("plugin", "ls", allowed=False)
_query_docker_with_proxy("info", allowed=False)
_query_docker_with_proxy("system", "info", allowed=False)
_query_docker_with_proxy("build", ".", allowed=False)
_query_docker_with_proxy("swarm", "init", allowed=False)
def test_container_permissions():
container_name = f"{CONTAINER_NAME}_2"
socket_proxy = "127.0.0.1:2376"
try:
_start_proxy(
container_name=container_name,
socket_proxy=socket_proxy,
extra_args=["-e", "CONTAINERS=1"],
)
_check_permission(
"allowed", socket_proxy=socket_proxy, extra_args=["logs", container_name]
)
_check_permission(
"allowed", socket_proxy=socket_proxy, extra_args=["inspect", container_name]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["wait", container_name]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["run", "--rm", "alpine"]
)
_check_permission(
"forbidden",
socket_proxy=socket_proxy,
extra_args=["rm", "-f", container_name],
)
_check_permission(
"forbidden",
socket_proxy=socket_proxy,
extra_args=["restart", container_name],
)
finally:
_stop_and_delete_proxy(container_name=container_name)
with _docker_proxy(CONTAINERS=1) as (docker, test_container):
_query_docker_with_proxy("logs", test_container, allowed=True)
_query_docker_with_proxy("inspect", test_container, allowed=True)
_query_docker_with_proxy("wait", test_container, allowed=False)
_query_docker_with_proxy("run", "--rm", "alpine", allowed=False)
_query_docker_with_proxy("rm", "-f", test_container, allowed=False)
_query_docker_with_proxy("restart", test_container, allowed=False)
def test_post_permissions():
container_name = f"{CONTAINER_NAME}_3"
socket_proxy = "127.0.0.1:2377"
try:
_start_proxy(
container_name=container_name,
socket_proxy=socket_proxy,
extra_args=["-e", "POST=1"],
)
_check_permission(
"forbidden",
socket_proxy=socket_proxy,
extra_args=["rm", "-f", container_name],
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["pull", "alpine"]
)
_check_permission(
"forbidden", socket_proxy=socket_proxy, extra_args=["run", "--rm", "alpine"]
)
_check_permission(
"forbidden",
socket_proxy=socket_proxy,
extra_args=["network", "create", "foobar"],
)
finally:
_stop_and_delete_proxy(container_name=container_name)
with _docker_proxy(POST=1) as (docker, test_container):
_query_docker_with_proxy("rm", "-f", test_container, allowed=False)
_query_docker_with_proxy("pull", "alpine", allowed=False)
_query_docker_with_proxy("run", "--rm", "alpine", allowed=False)
_query_docker_with_proxy("network", "create", "foobar", allowed=False)
def test_network_post_permissions():
container_name = f"{CONTAINER_NAME}_4"
socket_proxy = "127.0.0.1:2378"
try:
_start_proxy(
container_name=container_name,
socket_proxy=socket_proxy,
extra_args=["-e", "POST=1", "-e", "NETWORKS=1"],
)
_check_permission(
"allowed", socket_proxy=socket_proxy, extra_args=["network", "ls"]
)
_check_permission(
"allowed",
socket_proxy=socket_proxy,
extra_args=["network", "create", "foo"],
)
_check_permission(
"allowed", socket_proxy=socket_proxy, extra_args=["network", "rm", "foo"]
)
finally:
_stop_and_delete_proxy(container_name=container_name)
with _docker_proxy(POST=1, NETWORKS=1) as (docker, test_container):
_query_docker_with_proxy("network", "ls", allowed=True)
_query_docker_with_proxy("network", "create", "foo", allowed=True)
_query_docker_with_proxy("network", "rm", "foo", allowed=True)

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