110 lines
2.6 KiB
Python
110 lines
2.6 KiB
Python
import re
|
|
import subprocess
|
|
import time
|
|
|
|
import pytest
|
|
|
|
from unit.applications.lang.python import ApplicationPython
|
|
|
|
prerequisites = {'modules': {'python': 'any'}}
|
|
|
|
client = ApplicationPython()
|
|
|
|
PATTERN_ROUTER = 'unit: router'
|
|
PATTERN_CONTROLLER = 'unit: controller'
|
|
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def setup_method_fixture(temp_dir):
|
|
client.app_name = f'app-{temp_dir.split("/")[-1]}'
|
|
|
|
client.load('empty', client.app_name)
|
|
|
|
assert 'success' in client.conf(
|
|
'1', f'applications/{client.app_name}/processes'
|
|
)
|
|
|
|
|
|
def pid_by_name(name, ppid):
|
|
output = subprocess.check_output(['ps', 'ax', '-O', 'ppid']).decode()
|
|
m = re.search(fr'\s*(\d+)\s*{ppid}.*{name}', output)
|
|
return None if m is None else m.group(1)
|
|
|
|
|
|
def kill_pids(*pids):
|
|
subprocess.call(['kill', '-9', *pids])
|
|
|
|
|
|
def wait_for_process(process, unit_pid):
|
|
for _ in range(50):
|
|
found = pid_by_name(process, unit_pid)
|
|
|
|
if found is not None:
|
|
break
|
|
|
|
time.sleep(0.1)
|
|
|
|
return found
|
|
|
|
|
|
def find_proc(name, ppid, ps_output):
|
|
return re.findall(fr'{ppid}.*{name}', ps_output)
|
|
|
|
|
|
def smoke_test(unit_pid):
|
|
for _ in range(10):
|
|
r = client.conf('1', f'applications/{client.app_name}/processes')
|
|
|
|
if 'success' in r:
|
|
break
|
|
|
|
time.sleep(0.1)
|
|
|
|
assert 'success' in r
|
|
assert client.get()['status'] == 200
|
|
|
|
# Check if the only one router, controller,
|
|
# and application processes running.
|
|
|
|
out = subprocess.check_output(['ps', 'ax', '-O', 'ppid']).decode()
|
|
assert len(find_proc(PATTERN_ROUTER, unit_pid, out)) == 1
|
|
assert len(find_proc(PATTERN_CONTROLLER, unit_pid, out)) == 1
|
|
assert len(find_proc(client.app_name, unit_pid, out)) == 1
|
|
|
|
|
|
def test_respawn_router(skip_alert, unit_pid, skip_fds_check):
|
|
skip_fds_check(router=True)
|
|
pid = pid_by_name(PATTERN_ROUTER, unit_pid)
|
|
|
|
kill_pids(pid)
|
|
skip_alert(fr'process {pid} exited on signal 9')
|
|
|
|
assert wait_for_process(PATTERN_ROUTER, unit_pid) is not None
|
|
|
|
smoke_test(unit_pid)
|
|
|
|
|
|
def test_respawn_controller(skip_alert, unit_pid, skip_fds_check):
|
|
skip_fds_check(controller=True)
|
|
pid = pid_by_name(PATTERN_CONTROLLER, unit_pid)
|
|
|
|
kill_pids(pid)
|
|
skip_alert(fr'process {pid} exited on signal 9')
|
|
|
|
assert wait_for_process(PATTERN_CONTROLLER, unit_pid) is not None
|
|
|
|
assert client.get()['status'] == 200
|
|
|
|
smoke_test(unit_pid)
|
|
|
|
|
|
def test_respawn_application(skip_alert, unit_pid):
|
|
pid = pid_by_name(client.app_name, unit_pid)
|
|
|
|
kill_pids(pid)
|
|
skip_alert(fr'process {pid} exited on signal 9')
|
|
|
|
assert wait_for_process(client.app_name, unit_pid) is not None
|
|
|
|
smoke_test(unit_pid)
|