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import json
import os
import subprocess
import sys
import time
import unittest
from multiprocessing import Process
import requests
from dateutil.parser import parse
PODMAN_URL = "http://localhost:8080"
def _url(path):
return PODMAN_URL + "/v1.0.0/libpod" + path
def podman():
binary = os.getenv("PODMAN_BINARY")
if binary is None:
binary = "bin/podman"
return binary
def ctnr(path):
r = requests.get(_url("/containers/json?all=true"))
try:
ctnrs = json.loads(r.text)
except Exception as e:
sys.stderr.write("Bad container response: {}/{}".format(r.text, e))
raise e
return path.format(ctnrs[0]["Id"])
def validateObjectFields(buffer):
objs = json.loads(buffer)
if not isinstance(objs, dict):
for o in objs:
_ = o["Id"]
else:
_ = objs["Id"]
return objs
class TestApi(unittest.TestCase):
podman = None
def setUp(self):
super().setUp()
if TestApi.podman.poll() is not None:
sys.stderr.write(f"podman service returned {TestApi.podman.returncode}\n")
sys.exit(2)
requests.get(
_url("/images/create?fromSrc=docker.io%2Falpine%3Alatest"))
# calling out to podman is easier than the API for running a container
subprocess.run([podman(), "run", "alpine", "/bin/ls"],
check=True,
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL)
@classmethod
def setUpClass(cls):
super().setUpClass()
TestApi.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)
@classmethod
def tearDownClass(cls):
TestApi.podman.terminate()
stdout, stderr = TestApi.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 TestApi.podman.returncode > 0:
sys.stderr.write(f"podman exited with error code {TestApi.podman.returncode}\n")
sys.exit(2)
return super().tearDownClass()
def test_info(self):
r = requests.get(_url("/info"))
self.assertEqual(r.status_code, 200)
self.assertIsNotNone(r.content)
_ = json.loads(r.text)
def test_events(self):
r = requests.get(_url("/events?stream=false"))
self.assertEqual(r.status_code, 200, r.text)
self.assertIsNotNone(r.content)
for line in r.text.splitlines():
obj = json.loads(line)
# Actor.ID is uppercase for compatibility
_ = obj["Actor"]["ID"]
def test_containers(self):
r = requests.get(_url("/containers/json"), timeout=5)
self.assertEqual(r.status_code, 200, r.text)
obj = json.loads(r.text)
self.assertEqual(len(obj), 0)
def test_containers_all(self):
r = requests.get(_url("/containers/json?all=true"))
self.assertEqual(r.status_code, 200, r.text)
validateObjectFields(r.text)
def test_inspect_container(self):
r = requests.get(_url(ctnr("/containers/{}/json")))
self.assertEqual(r.status_code, 200, r.text)
obj = validateObjectFields(r.content)
_ = parse(obj["Created"])
def test_stats(self):
r = requests.get(_url(ctnr("/containers/{}/stats?stream=false")))
self.assertIn(r.status_code, (200, 409), r.text)
if r.status_code == 200:
validateObjectFields(r.text)
def test_delete_containers(self):
r = requests.delete(_url(ctnr("/containers/{}")))
self.assertEqual(r.status_code, 204, r.text)
def test_stop_containers(self):
r = requests.post(_url(ctnr("/containers/{}/start")))
self.assertIn(r.status_code, (204, 304), r.text)
r = requests.post(_url(ctnr("/containers/{}/stop")))
self.assertIn(r.status_code, (204, 304), r.text)
def test_start_containers(self):
r = requests.post(_url(ctnr("/containers/{}/stop")))
self.assertIn(r.status_code, (204, 304), r.text)
r = requests.post(_url(ctnr("/containers/{}/start")))
self.assertIn(r.status_code, (204, 304), r.text)
def test_restart_containers(self):
r = requests.post(_url(ctnr("/containers/{}/start")))
self.assertIn(r.status_code, (204, 304), r.text)
r = requests.post(_url(ctnr("/containers/{}/restart")), timeout=5)
self.assertEqual(r.status_code, 204, r.text)
def test_resize(self):
r = requests.post(_url(ctnr("/containers/{}/resize?h=43&w=80")))
self.assertIn(r.status_code, (200, 409), r.text)
if r.status_code == 200:
self.assertIsNone(r.text)
def test_attach_containers(self):
r = requests.post(_url(ctnr("/containers/{}/attach")), timeout=5)
self.assertIn(r.status_code, (101, 500), r.text)
def test_logs_containers(self):
r = requests.get(_url(ctnr("/containers/{}/logs?stdout=true")))
self.assertEqual(r.status_code, 200, r.text)
def test_post_create(self):
self.skipTest("TODO: create request body")
r = requests.post(_url("/containers/create?args=True"))
self.assertEqual(r.status_code, 200, r.text)
json.loads(r.text)
def test_commit(self):
r = requests.post(_url(ctnr("/commit?container={}")))
self.assertEqual(r.status_code, 200, r.text)
validateObjectFields(r.text)
def test_images(self):
r = requests.get(_url("/images/json"))
self.assertEqual(r.status_code, 200, r.text)
validateObjectFields(r.content)
def test_inspect_image(self):
r = requests.get(_url("/images/alpine/json"))
self.assertEqual(r.status_code, 200, r.text)
obj = validateObjectFields(r.content)
_ = parse(obj["Created"])
def test_delete_image(self):
r = requests.delete(_url("/images/alpine?force=true"))
self.assertEqual(r.status_code, 200, r.text)
json.loads(r.text)
def test_pull(self):
r = requests.post(_url("/images/pull?reference=alpine"), timeout=15)
self.assertEqual(r.status_code, 200, r.status_code)
text = r.text
keys = {
"error": False,
"id": False,
"images": False,
"stream": False,
}
# Read and record stanza's from pull
for line in str.splitlines(text):
obj = json.loads(line)
key_list = list(obj.keys())
for k in key_list:
keys[k] = True
self.assertFalse(keys["error"], "Expected no errors")
self.assertTrue(keys["id"], "Expected to find id stanza")
self.assertTrue(keys["images"], "Expected to find images stanza")
self.assertTrue(keys["stream"], "Expected to find stream progress stanza's")
def test_search(self):
# Had issues with this test hanging when repositories not happy
def do_search():
r = requests.get(_url("/images/search?term=alpine"), timeout=5)
self.assertEqual(r.status_code, 200, r.text)
json.loads(r.text)
search = Process(target=do_search)
search.start()
search.join(timeout=10)
self.assertFalse(search.is_alive(), "/images/search took too long")
def test_ping(self):
r = requests.get(PODMAN_URL + "/_ping")
self.assertEqual(r.status_code, 200, r.text)
r = requests.head(PODMAN_URL + "/_ping")
self.assertEqual(r.status_code, 200, r.text)
r = requests.get(_url("/_ping"))
self.assertEqual(r.status_code, 200, r.text)
r = requests.get(_url("/_ping"))
self.assertEqual(r.status_code, 200, r.text)
if __name__ == '__main__':
unittest.main()
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