def test_keepalived_lvs_init_path(self):
# Test systemd
ref_path = (consts.SYSTEMD_DIR + '/' +
consts.KEEPALIVED_SYSTEMD_PREFIX % str(self.listener_id))
result = util.keepalived_lvs_init_path(consts.INIT_SYSTEMD,
self.listener_id)
self.assertEqual(ref_path, result)
# Test upstart
ref_path = (consts.UPSTART_DIR + '/' +
consts.KEEPALIVED_UPSTART_PREFIX % str(self.listener_id))
result = util.keepalived_lvs_init_path(consts.INIT_UPSTART,
self.listener_id)
self.assertEqual(ref_path, result)
# Test sysvinit
ref_path = (consts.SYSVINIT_DIR + '/' +
consts.KEEPALIVED_SYSVINIT_PREFIX % str(self.listener_id))
result = util.keepalived_lvs_init_path(consts.INIT_SYSVINIT,
self.listener_id)
self.assertEqual(ref_path, result)
# Test bad init system
self.assertRaises(util.UnknownInitError, util.keepalived_lvs_init_path,
'bogus_init', self.listener_id)
def test_keepalived_lvs_init_path(self):
# Test systemd
ref_path = (consts.SYSTEMD_DIR + '/' +
consts.KEEPALIVED_SYSTEMD_PREFIX % str(self.listener_id))
result = util.keepalived_lvs_init_path(consts.INIT_SYSTEMD,
self.listener_id)
self.assertEqual(ref_path, result)
# Test upstart
ref_path = (consts.UPSTART_DIR + '/' +
consts.KEEPALIVED_UPSTART_PREFIX % str(self.listener_id))
result = util.keepalived_lvs_init_path(consts.INIT_UPSTART,
self.listener_id)
self.assertEqual(ref_path, result)
# Test sysvinit
ref_path = (consts.SYSVINIT_DIR + '/' +
consts.KEEPALIVED_SYSVINIT_PREFIX % str(self.listener_id))
result = util.keepalived_lvs_init_path(consts.INIT_SYSVINIT,
self.listener_id)
self.assertEqual(ref_path, result)
# Test bad init system
self.assertRaises(util.UnknownInitError, util.keepalived_lvs_init_path,
'bogus_init', self.listener_id)
def test_upload_lvs_listener_config_with_vrrp_check_dir(
self, m_check_output, m_os_rm, m_os_mkdir, m_exists, m_os_chmod,
m_os_sysinit, m_copy2, mock_netns, mock_install_netns,
mock_systemctl, mock_get_lbs, mock_get_lvs_listeners):
m_exists.side_effect = [False, False, True, True, False, False, False]
mock_get_lbs.return_value = []
mock_get_lvs_listeners.return_value = [self.FAKE_ID]
cfg_path = util.keepalived_lvs_cfg_path(self.FAKE_ID)
m = self.useFixture(test_utils.OpenFixture(cfg_path)).mock_open
conf = self.useFixture(oslo_fixture.Config(cfg.CONF))
conf.config(group='controller_worker',
loadbalancer_topology=consts.TOPOLOGY_ACTIVE_STANDBY)
with mock.patch('os.open') as m_open, mock.patch.object(
os, 'fdopen', m) as m_fdopen:
m_open.side_effect = [
'TEST-WRITE-CFG', 'TEST-WRITE-SYSINIT',
'TEST-WRITE-UDP-VRRP-CHECK'
]
res = self.client.put(self.TEST_URL % ('123', self.FAKE_ID),
data=self.NORMAL_CFG_CONTENT)
os_mkdir_calls = [
mock.call(util.keepalived_lvs_dir()),
mock.call(util.keepalived_backend_check_script_dir())
]
m_os_mkdir.assert_has_calls(os_mkdir_calls)
mock_install_netns.assert_called_once()
systemctl_calls = [
mock.call(consts.ENABLE, consts.AMP_NETNS_SVC_PREFIX),
mock.call(consts.ENABLE,
'octavia-keepalivedlvs-%s' % str(self.FAKE_ID)),
]
mock_systemctl.assert_has_calls(systemctl_calls)
m_os_chmod.assert_called_with(
util.keepalived_backend_check_script_path(), stat.S_IEXEC)
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
systemd_cfg_path = util.keepalived_lvs_init_path(
consts.INIT_SYSTEMD, self.FAKE_ID)
script_path = os.path.join(
util.keepalived_check_scripts_dir(),
keepalivedlvs.KEEPALIVED_CHECK_SCRIPT_NAME)
m_open_calls = [
mock.call(cfg_path, flags, mode),
mock.call(systemd_cfg_path, flags, mode),
mock.call(script_path, flags, stat.S_IEXEC)
]
m_open.assert_has_calls(m_open_calls)
m_fdopen.assert_any_call('TEST-WRITE-CFG', 'wb')
m_fdopen.assert_any_call('TEST-WRITE-SYSINIT', 'w')
m_fdopen.assert_any_call('TEST-WRITE-UDP-VRRP-CHECK', 'w')
m_os_rm.assert_called_once_with(util.haproxy_check_script_path())
self.assertEqual(200, res.status_code)
def test_upload_udp_listener_config_with_vrrp_check_dir(
self, m_check_output, m_os_rm, m_os_mkdir, m_exists, m_os_chmod,
m_os_sysinit, m_copy2, mock_netns, mock_install_netns,
mock_systemctl):
m_exists.side_effect = [False, False, True, True, True, False, False]
cfg_path = util.keepalived_lvs_cfg_path(self.FAKE_ID)
m = self.useFixture(test_utils.OpenFixture(cfg_path)).mock_open
with mock.patch('os.open') as m_open, mock.patch.object(os,
'fdopen',
m) as m_fdopen:
m_open.side_effect = ['TEST-WRITE-CFG',
'TEST-WRITE-SYSINIT',
'TEST-WRITE-UDP-VRRP-CHECK']
res = self.client.put(self.TEST_URL % ('123', self.FAKE_ID),
data=self.NORMAL_CFG_CONTENT)
os_mkdir_calls = [
mock.call(util.keepalived_lvs_dir()),
mock.call(util.keepalived_backend_check_script_dir())
]
m_os_mkdir.assert_has_calls(os_mkdir_calls)
mock_install_netns.assert_called_once()
systemctl_calls = [
mock.call(consts.ENABLE,
consts.AMP_NETNS_SVC_PREFIX),
mock.call(consts.ENABLE,
'octavia-keepalivedlvs-%s' % str(self.FAKE_ID)),
]
mock_systemctl.assert_has_calls(systemctl_calls)
m_os_chmod.assert_called_with(
util.keepalived_backend_check_script_path(), stat.S_IEXEC)
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
systemd_cfg_path = util.keepalived_lvs_init_path(
consts.INIT_SYSTEMD, self.FAKE_ID)
script_path = os.path.join(
util.keepalived_check_scripts_dir(),
keepalivedlvs.KEEPALIVED_CHECK_SCRIPT_NAME)
m_open_calls = [
mock.call(cfg_path, flags, mode),
mock.call(systemd_cfg_path, flags, mode),
mock.call(script_path, flags, stat.S_IEXEC)
]
m_open.assert_has_calls(m_open_calls)
m_fdopen.assert_any_call('TEST-WRITE-CFG', 'wb')
m_fdopen.assert_any_call('TEST-WRITE-SYSINIT', 'w')
m_fdopen.assert_any_call('TEST-WRITE-UDP-VRRP-CHECK', 'w')
self.assertEqual(200, res.status_code)
def test_upload_udp_listener_config_no_vrrp_check_dir(
self, m_check_output, m_os_rm, m_os_mkdir, m_exists, m_os_chmod,
m_os_sysinit, m_copy2, mock_netns, mock_install_netns,
mock_systemctl):
m_exists.side_effect = [False, False, True, True, False, False]
cfg_path = util.keepalived_lvs_cfg_path(self.FAKE_ID)
m = self.useFixture(test_utils.OpenFixture(cfg_path)).mock_open
with mock.patch('os.open') as m_open, mock.patch.object(
os, 'fdopen', m) as m_fdopen:
m_open.side_effect = ['TEST-WRITE-CFG', 'TEST-WRITE-SYSINIT']
res = self.client.put(self.TEST_URL % ('123', self.FAKE_ID),
data=self.NORMAL_CFG_CONTENT)
mock_install_netns.assert_called_once()
systemctl_calls = [
mock.call(consts.ENABLE, consts.AMP_NETNS_SVC_PREFIX),
mock.call(consts.ENABLE,
'octavia-keepalivedlvs-%s' % str(self.FAKE_ID)),
]
mock_systemctl.assert_has_calls(systemctl_calls)
os_mkdir_calls = [
mock.call(util.keepalived_lvs_dir()),
mock.call(util.keepalived_backend_check_script_dir())
]
m_os_mkdir.assert_has_calls(os_mkdir_calls)
m_os_chmod.assert_called_with(
util.keepalived_backend_check_script_path(), stat.S_IEXEC)
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
systemd_cfg_path = util.keepalived_lvs_init_path(
consts.INIT_SYSTEMD, self.FAKE_ID)
m_open_calls = [
mock.call(cfg_path, flags, mode),
mock.call(systemd_cfg_path, flags, mode)
]
m_open.assert_has_calls(m_open_calls)
m_fdopen.assert_any_call('TEST-WRITE-CFG', 'wb')
m_fdopen.assert_any_call('TEST-WRITE-SYSINIT', 'w')
self.assertEqual(200, res.status_code)
def upload_lvs_listener_config(self, listener_id):
stream = loadbalancer.Wrapped(flask.request.stream)
NEED_CHECK = True
if not os.path.exists(util.keepalived_lvs_dir()):
os.makedirs(util.keepalived_lvs_dir())
if not os.path.exists(util.keepalived_backend_check_script_dir()):
current_file_dir, _ = os.path.split(os.path.abspath(__file__))
try:
script_dir = os.path.join(
os.path.abspath(os.path.join(current_file_dir, '../..')),
'utils')
assert True is os.path.exists(script_dir)
assert True is os.path.exists(
os.path.join(script_dir, CHECK_SCRIPT_NAME))
except Exception as e:
raise exceptions.Conflict(
description='%(file_name)s not Found for '
'UDP Listener %(listener_id)s' % {
'file_name': CHECK_SCRIPT_NAME,
'listener_id': listener_id
}) from e
os.makedirs(util.keepalived_backend_check_script_dir())
shutil.copy2(os.path.join(script_dir, CHECK_SCRIPT_NAME),
util.keepalived_backend_check_script_path())
os.chmod(util.keepalived_backend_check_script_path(), stat.S_IEXEC)
# Based on current topology setting, only the amphora instances in
# Active-Standby topology will create the directory below. So for
# Single topology, it should not create the directory and the check
# scripts for status change.
if (CONF.controller_worker.loadbalancer_topology !=
consts.TOPOLOGY_ACTIVE_STANDBY):
NEED_CHECK = False
conf_file = util.keepalived_lvs_cfg_path(listener_id)
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00644
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
with os.fdopen(os.open(conf_file, flags, mode), 'wb') as f:
b = stream.read(BUFFER)
while b:
f.write(b)
b = stream.read(BUFFER)
init_system = util.get_os_init_system()
file_path = util.keepalived_lvs_init_path(init_system, listener_id)
if init_system == consts.INIT_SYSTEMD:
template = SYSTEMD_TEMPLATE
# Render and install the network namespace systemd service
util.install_netns_systemd_service()
util.run_systemctl_command(consts.ENABLE,
consts.AMP_NETNS_SVC_PREFIX)
elif init_system == consts.INIT_UPSTART:
template = UPSTART_TEMPLATE
elif init_system == consts.INIT_SYSVINIT:
template = SYSVINIT_TEMPLATE
else:
raise util.UnknownInitError()
# Render and install the keepalivedlvs init script
if init_system == consts.INIT_SYSTEMD:
# mode 00644
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
else:
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
keepalived_pid, vrrp_pid, check_pid = util.keepalived_lvs_pids_path(
listener_id)
if not os.path.exists(file_path):
with os.fdopen(os.open(file_path, flags, mode), 'w') as text_file:
text = template.render(
keepalived_pid=keepalived_pid,
vrrp_pid=vrrp_pid,
check_pid=check_pid,
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_lvs_cfg_path(listener_id),
amphora_nsname=consts.AMPHORA_NAMESPACE,
amphora_netns=consts.AMP_NETNS_SVC_PREFIX,
administrative_log_facility=(
CONF.amphora_agent.administrative_log_facility),
)
text_file.write(text)
# Make sure the keepalivedlvs service is enabled on boot
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.ENABLE, "octavia-keepalivedlvs-%s" % str(listener_id))
elif init_system == consts.INIT_SYSVINIT:
init_enable_cmd = "insserv {file}".format(file=file_path)
try:
subprocess.check_output(init_enable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug(
'Failed to enable '
'octavia-keepalivedlvs service: '
'%(err)s', {'err': str(e)})
return webob.Response(json=dict(
message="Error enabling "
"octavia-keepalivedlvs service",
details=e.output),
status=500)
if NEED_CHECK:
# inject the check script for keepalived process
script_path = os.path.join(util.keepalived_check_scripts_dir(),
KEEPALIVED_CHECK_SCRIPT_NAME)
if not os.path.exists(script_path):
if not os.path.exists(util.keepalived_check_scripts_dir()):
os.makedirs(util.keepalived_check_scripts_dir())
with os.fdopen(os.open(script_path, flags, stat.S_IEXEC),
'w') as script_file:
text = check_script_file_template.render(
consts=consts,
init_system=init_system,
keepalived_lvs_pid_dir=util.keepalived_lvs_dir())
script_file.write(text)
util.vrrp_check_script_update(None, consts.AMP_ACTION_START)
res = webob.Response(json={'message': 'OK'}, status=200)
res.headers['ETag'] = stream.get_md5()
return res
def delete_lvs_listener(self, listener_id):
try:
self._check_lvs_listener_exists(listener_id)
except exceptions.HTTPException:
return webob.Response(json={'message': 'OK'})
# check if that keepalived is still running and if stop it
keepalived_pid, vrrp_pid, check_pid = util.keepalived_lvs_pids_path(
listener_id)
if os.path.exists(keepalived_pid) and os.path.exists(
os.path.join('/proc',
util.get_keepalivedlvs_pid(listener_id))):
cmd = ("/usr/sbin/service "
"octavia-keepalivedlvs-{0} stop".format(listener_id))
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to stop keepalivedlvs service: %s", str(e))
return webob.Response(json=dict(
message="Error stopping keepalivedlvs", details=e.output),
status=500)
# Since the lvs check script based on the keepalived pid file for
# checking whether it is alived. So here, we had stop the keepalived
# process by the previous step, must make sure the pid files are not
# exist.
if (os.path.exists(keepalived_pid) or os.path.exists(vrrp_pid)
or os.path.exists(check_pid)):
for pid in [keepalived_pid, vrrp_pid, check_pid]:
os.remove(pid)
# disable the service
init_system = util.get_os_init_system()
init_path = util.keepalived_lvs_init_path(init_system, listener_id)
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.DISABLE, "octavia-keepalivedlvs-%s" % str(listener_id))
elif init_system == consts.INIT_SYSVINIT:
init_disable_cmd = "insserv -r {file}".format(file=init_path)
elif init_system != consts.INIT_UPSTART:
raise util.UnknownInitError()
if init_system == consts.INIT_SYSVINIT:
try:
subprocess.check_output(init_disable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error(
"Failed to disable "
"octavia-keepalivedlvs-%(list)s service: "
"%(err)s", {
'list': listener_id,
'err': str(e)
})
return webob.Response(json=dict(
message=("Error disabling octavia-keepalivedlvs-"
"{0} service".format(listener_id)),
details=e.output),
status=500)
# delete init script ,config file and log file for that listener
if os.path.exists(init_path):
os.remove(init_path)
if os.path.exists(util.keepalived_lvs_cfg_path(listener_id)):
os.remove(util.keepalived_lvs_cfg_path(listener_id))
return webob.Response(json={'message': 'OK'})
def upload_udp_listener_config(self, listener_id):
stream = listener.Wrapped(flask.request.stream)
NEED_CHECK = True
if not os.path.exists(util.keepalived_lvs_dir()):
os.makedirs(util.keepalived_lvs_dir())
if not os.path.exists(util.keepalived_backend_check_script_dir()):
current_file_dir, _ = os.path.split(os.path.abspath(__file__))
try:
script_dir = os.path.join(os.path.abspath(
os.path.join(current_file_dir, '../..')), 'utils')
assert True is os.path.exists(script_dir)
assert True is os.path.exists(os.path.join(
script_dir, CHECK_SCRIPT_NAME))
except Exception:
raise exceptions.Conflict(
description='%(file_name)s not Found for '
'UDP Listener %(listener_id)s' %
{'file_name': CHECK_SCRIPT_NAME,
'listener_id': listener_id})
os.makedirs(util.keepalived_backend_check_script_dir())
shutil.copy2(os.path.join(script_dir, CHECK_SCRIPT_NAME),
util.keepalived_backend_check_script_path())
os.chmod(util.keepalived_backend_check_script_path(), stat.S_IEXEC)
# Based on current topology setting, only the amphora instances in
# Active-Standby topology will create the directory below. So for
# Single topology, it should not create the directory and the check
# scripts for status change.
if not os.path.exists(util.keepalived_check_scripts_dir()):
NEED_CHECK = False
conf_file = util.keepalived_lvs_cfg_path(listener_id)
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00644
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
with os.fdopen(os.open(conf_file, flags, mode), 'wb') as f:
b = stream.read(BUFFER)
while b:
f.write(b)
b = stream.read(BUFFER)
init_system = util.get_os_init_system()
file_path = util.keepalived_lvs_init_path(init_system, listener_id)
if init_system == consts.INIT_SYSTEMD:
template = SYSTEMD_TEMPLATE
# Render and install the network namespace systemd service
util.install_netns_systemd_service()
util.run_systemctl_command(
consts.ENABLE, consts.AMP_NETNS_SVC_PREFIX)
elif init_system == consts.INIT_UPSTART:
template = UPSTART_TEMPLATE
elif init_system == consts.INIT_SYSVINIT:
template = SYSVINIT_TEMPLATE
else:
raise util.UnknownInitError()
# Render and install the keepalivedlvs init script
if init_system == consts.INIT_SYSTEMD:
# mode 00644
mode = stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH
else:
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH)
keepalived_pid, vrrp_pid, check_pid = util.keepalived_lvs_pids_path(
listener_id)
if not os.path.exists(file_path):
with os.fdopen(os.open(file_path, flags, mode), 'w') as text_file:
text = template.render(
keepalived_pid=keepalived_pid,
vrrp_pid=vrrp_pid,
check_pid=check_pid,
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_lvs_cfg_path(listener_id),
amphora_nsname=consts.AMPHORA_NAMESPACE,
amphora_netns=consts.AMP_NETNS_SVC_PREFIX
)
text_file.write(text)
# Make sure the keepalivedlvs service is enabled on boot
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.ENABLE, "octavia-keepalivedlvs-%s" % str(listener_id))
elif init_system == consts.INIT_SYSVINIT:
init_enable_cmd = "insserv {file}".format(file=file_path)
try:
subprocess.check_output(init_enable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug('Failed to enable '
'octavia-keepalivedlvs service: '
'%(err)s', {'err': e})
return webob.Response(json=dict(
message="Error enabling "
"octavia-keepalivedlvs service",
details=e.output), status=500)
if NEED_CHECK:
# inject the check script for keepalived process
script_path = os.path.join(util.keepalived_check_scripts_dir(),
KEEPALIVED_CHECK_SCRIPT_NAME)
if not os.path.exists(script_path):
with os.fdopen(os.open(script_path, flags, stat.S_IEXEC),
'w') as script_file:
text = check_script_file_template.render(
consts=consts,
init_system=init_system,
keepalived_lvs_pid_dir=util.keepalived_lvs_dir()
)
script_file.write(text)
res = webob.Response(json={'message': 'OK'}, status=200)
res.headers['ETag'] = stream.get_md5()
return res
def delete_udp_listener(self, listener_id):
try:
self._check_udp_listener_exists(listener_id)
except exceptions.HTTPException:
return webob.Response(json={'message': 'OK'})
# check if that keepalived is still running and if stop it
keepalived_pid, vrrp_pid, check_pid = util.keepalived_lvs_pids_path(
listener_id)
if os.path.exists(keepalived_pid) and os.path.exists(
os.path.join('/proc',
util.get_keepalivedlvs_pid(listener_id))):
cmd = ("/usr/sbin/service "
"octavia-keepalivedlvs-{0} stop".format(listener_id))
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to stop keepalivedlvs service: %s", e)
return webob.Response(json=dict(
message="Error stopping keepalivedlvs",
details=e.output), status=500)
# Since the lvs check script based on the keepalived pid file for
# checking whether it is alived. So here, we had stop the keepalived
# process by the previous step, must make sure the pid files are not
# exist.
if (os.path.exists(keepalived_pid) or
os.path.exists(vrrp_pid) or os.path.exists(check_pid)):
for pid in [keepalived_pid, vrrp_pid, check_pid]:
os.remove(pid)
# disable the service
init_system = util.get_os_init_system()
init_path = util.keepalived_lvs_init_path(init_system, listener_id)
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.DISABLE, "octavia-keepalivedlvs-%s" % str(listener_id))
elif init_system == consts.INIT_SYSVINIT:
init_disable_cmd = "insserv -r {file}".format(file=init_path)
elif init_system != consts.INIT_UPSTART:
raise util.UnknownInitError()
if init_system == consts.INIT_SYSVINIT:
try:
subprocess.check_output(init_disable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to disable "
"octavia-keepalivedlvs-%(list)s service: "
"%(err)s", {'list': listener_id, 'err': e})
return webob.Response(json=dict(
message=(
"Error disabling octavia-keepalivedlvs-"
"{0} service".format(listener_id)),
details=e.output), status=500)
# delete init script ,config file and log file for that listener
if os.path.exists(init_path):
os.remove(init_path)
if os.path.exists(util.keepalived_lvs_cfg_path(listener_id)):
os.remove(util.keepalived_lvs_cfg_path(listener_id))
return webob.Response(json={'message': 'OK'})
