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import docker
import subprocess
import os
import sys
import time
from docker import Client
from . import constant
alpineDict = {
"name": "docker.io/library/alpine:latest",
"shortName": "alpine",
"tarballName": "alpine.tar"}
def get_client():
client = docker.Client(base_url="http://localhost:8080",timeout=15)
return client
client = get_client()
def podman():
binary = os.getenv("PODMAN_BINARY")
if binary is None:
binary = "bin/podman"
return binary
def restore_image_from_cache(TestClass):
alpineImage = os.path.join(constant.ImageCacheDir , alpineDict["tarballName"])
if not os.path.exists(alpineImage):
os.makedirs(constant.ImageCacheDir)
client.pull(constant.ALPINE)
response = client.get_image(constant.ALPINE)
image_tar = open(alpineImage,mode="wb")
image_tar.write(response.data)
image_tar.close()
else :
TestClass.podman = subprocess.run(
[
podman(), "load", "-i", alpineImage
],
shell=False,
stdin=subprocess.DEVNULL,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
)
def run_top_container():
c = client.create_container(image=constant.ALPINE,command='/bin/sleep 5',name=constant.TOP)
client.start(container=c.get("Id"))
return c.get("Id")
def enable_sock(TestClass):
TestClass.podman = subprocess.Popen(
[
podman(), "system", "service", "tcp:localhost:8080",
"--log-level=debug", "--time=0"
],
shell=False,
stdin=subprocess.DEVNULL,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
)
time.sleep(2)
def terminate_connection(TestClass):
TestClass.podman.terminate()
stdout, stderr = TestClass.podman.communicate(timeout=0.5)
if stdout:
print("\nService Stdout:\n" + stdout.decode('utf-8'))
if stderr:
print("\nService Stderr:\n" + stderr.decode('utf-8'))
if TestClass.podman.returncode > 0:
sys.stderr.write("podman exited with error code {}\n".format(
TestClass.podman.returncode))
sys.exit(2)
def remove_all_containers():
containers = client.containers(quiet=True)
for c in containers:
client.remove_container(container=c.get("Id"), force=True)
def remove_all_images():
allImages = client.images()
for image in allImages:
client.remove_image(image,force=True)
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