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import mock
import os
import pytest
import time
from contextlib import contextmanager
from pyfakefs import fake_filesystem
from typing import Dict, List, Optional
def import_cephadm():
"""Import cephadm as a module."""
import cephadm as _cephadm
return _cephadm
def mock_docker():
_cephadm = import_cephadm()
docker = mock.Mock(_cephadm.Docker)
docker.path = '/usr/bin/docker'
return docker
def mock_podman():
_cephadm = import_cephadm()
podman = mock.Mock(_cephadm.Podman)
podman.path = '/usr/bin/podman'
podman.version = (2, 1, 0)
return podman
def _daemon_path():
return os.getcwd()
def mock_bad_firewalld():
def raise_bad_firewalld():
raise Exception('Called bad firewalld')
_cephadm = import_cephadm()
f = mock.Mock(_cephadm.Firewalld)
f.enable_service_for = lambda _: raise_bad_firewalld()
f.apply_rules = lambda: raise_bad_firewalld()
f.open_ports = lambda _: raise_bad_firewalld()
def _mock_scrape_host(obj, interval):
try:
raise ValueError("wah")
except Exception as e:
obj._handle_thread_exception(e, 'host')
def _mock_run(obj):
t = obj._create_thread(obj._scrape_host_facts, 'host', 5)
time.sleep(1)
if not t.is_alive():
obj.cephadm_cache.update_health('host', "inactive", "host thread stopped")
@pytest.fixture()
def cephadm_fs(
fs: fake_filesystem.FakeFilesystem,
):
"""
use pyfakefs to stub filesystem calls
"""
uid = os.getuid()
gid = os.getgid()
def fchown(fd, _uid, _gid):
"""pyfakefs doesn't provide a working fchown or fchmod.
In order to get permissions working generally across renames
we need to provide our own implemenation.
"""
file_obj = fs.get_open_file(fd).get_object()
file_obj.st_uid = _uid
file_obj.st_gid = _gid
_cephadm = import_cephadm()
with mock.patch('os.fchown', side_effect=fchown), \
mock.patch('os.fchmod'), \
mock.patch('platform.processor', return_value='x86_64'), \
mock.patch('cephadm.extract_uid_gid', return_value=(uid, gid)):
try:
if not fake_filesystem.is_root():
fake_filesystem.set_uid(0)
except AttributeError:
pass
fs.create_dir(_cephadm.DATA_DIR)
fs.create_dir(_cephadm.LOG_DIR)
fs.create_dir(_cephadm.LOCK_DIR)
fs.create_dir(_cephadm.LOGROTATE_DIR)
fs.create_dir(_cephadm.UNIT_DIR)
fs.create_dir('/sys/block')
yield fs
@pytest.fixture()
def host_sysfs(fs: fake_filesystem.FakeFilesystem):
"""Create a fake filesystem to represent sysfs"""
enc_path = '/sys/class/scsi_generic/sg2/device/enclosure/0:0:1:0'
dev_path = '/sys/class/scsi_generic/sg2/device'
slot_count = 12
fs.create_dir(dev_path)
fs.create_file(os.path.join(dev_path, 'vendor'), contents="EnclosuresInc")
fs.create_file(os.path.join(dev_path, 'model'), contents="D12")
fs.create_file(os.path.join(enc_path, 'id'), contents='1')
fs.create_file(os.path.join(enc_path, 'components'), contents=str(slot_count))
for slot_num in range(slot_count):
slot_dir = os.path.join(enc_path, str(slot_num))
fs.create_file(os.path.join(slot_dir, 'locate'), contents='0')
fs.create_file(os.path.join(slot_dir, 'fault'), contents='0')
fs.create_file(os.path.join(slot_dir, 'slot'), contents=str(slot_num))
if slot_num < 6:
fs.create_file(os.path.join(slot_dir, 'status'), contents='Ok')
slot_dev = os.path.join(slot_dir, 'device')
fs.create_dir(slot_dev)
fs.create_file(os.path.join(slot_dev, 'vpd_pg80'), contents=f'fake{slot_num:0>3}')
else:
fs.create_file(os.path.join(slot_dir, 'status'), contents='not installed')
yield fs
@contextmanager
def with_cephadm_ctx(
cmd: List[str],
list_networks: Optional[Dict[str, Dict[str, List[str]]]] = None,
hostname: Optional[str] = None,
):
"""
:param cmd: cephadm command argv
:param list_networks: mock 'list-networks' return
:param hostname: mock 'socket.gethostname' return
"""
if not hostname:
hostname = 'host1'
_cephadm = import_cephadm()
with mock.patch('cephadm.attempt_bind'), \
mock.patch('cephadm.call', return_value=('', '', 0)), \
mock.patch('cephadm.call_timeout', return_value=0), \
mock.patch('cephadm.find_executable', return_value='foo'), \
mock.patch('cephadm.get_container_info', return_value=None), \
mock.patch('cephadm.is_available', return_value=True), \
mock.patch('cephadm.json_loads_retry', return_value={'epoch' : 1}), \
mock.patch('cephadm.logger'), \
mock.patch('socket.gethostname', return_value=hostname):
ctx: _cephadm.CephadmContext = _cephadm.cephadm_init_ctx(cmd)
ctx.container_engine = mock_podman()
if list_networks is not None:
with mock.patch('cephadm.list_networks', return_value=list_networks):
yield ctx
else:
yield ctx
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