def upload_keepalived_config():
stream = listener.Wrapped(flask.request.stream)
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
conf_file = util.keepalived_cfg_path()
with open(conf_file, 'w') as f:
b = stream.read(BUFFER)
while b:
f.write(b)
b = stream.read(BUFFER)
if not os.path.exists(util.keepalived_init_path()):
with open(util.keepalived_init_path(), 'w') as text_file:
text = template.render(
keepalived_pid=util.keepalived_pid_path(),
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_cfg_path(),
keepalived_log=util.keepalived_log_path()
)
text_file.write(text)
cmd = "chmod +x {file}".format(file=util.keepalived_init_path())
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to upload keepalived configuration. "
"Unable to chmod init script.")
return flask.make_response(flask.jsonify(dict(
message="Failed to upload keepalived configuration. "
"Unable to chmod init script.",
details=e.output)), 500)
# Renders the Keepalived check script
with open(util.keepalived_check_script_path(), 'w') as text_file:
text = check_script_template.render(
check_scripts_dir=util.keepalived_check_scripts_dir()
)
text_file.write(text)
cmd = ("chmod +x {file}".format(
file=util.keepalived_check_script_path()))
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to upload keepalived configuration. "
"Unable to chmod check script.")
return flask.make_response(flask.jsonify(dict(
message="Failed to upload keepalived configuration. "
"Unable to chmod check script.",
details=e.output)), 500)
res = flask.make_response(flask.jsonify({
'message': 'OK'}), 200)
res.headers['ETag'] = stream.get_md5()
return res
def upload_keepalived_config():
stream = listener.Wrapped(flask.request.stream)
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
conf_file = util.keepalived_cfg_path()
with open(conf_file, 'w') as f:
b = stream.read(BUFFER)
while b:
f.write(b)
b = stream.read(BUFFER)
if not os.path.exists(util.keepalived_init_path()):
with open(util.keepalived_init_path(), 'w') as text_file:
text = template.render(keepalived_pid=util.keepalived_pid_path(),
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_cfg_path(),
keepalived_log=util.keepalived_log_path())
text_file.write(text)
cmd = "chmod +x {file}".format(file=util.keepalived_init_path())
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to upload keepalived configuration. "
"Unable to chmod init script.")
return flask.make_response(
flask.jsonify(
dict(message="Failed to upload keepalived configuration. "
"Unable to chmod init script.",
details=e.output)), 500)
# Renders the Keepalived check script
with open(util.keepalived_check_script_path(), 'w') as text_file:
text = check_script_template.render(
check_scripts_dir=util.keepalived_check_scripts_dir())
text_file.write(text)
cmd = ("chmod +x {file}".format(
file=util.keepalived_check_script_path()))
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to upload keepalived configuration. "
"Unable to chmod check script.")
return flask.make_response(
flask.jsonify(
dict(message="Failed to upload keepalived configuration. "
"Unable to chmod check script.",
details=e.output)), 500)
res = flask.make_response(flask.jsonify({'message': 'OK'}), 200)
res.headers['ETag'] = stream.get_md5()
return res
def upload_keepalived_config():
stream = listener.Wrapped(flask.request.stream)
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
conf_file = util.keepalived_cfg_path()
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), 'w') as f:
b = stream.read(BUFFER)
while b:
f.write(b)
b = stream.read(BUFFER)
file_path = util.keepalived_init_path()
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH)
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=util.keepalived_pid_path(),
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_cfg_path(),
keepalived_log=util.keepalived_log_path(),
amphora_nsname=consts.AMPHORA_NAMESPACE
)
text_file.write(text)
# Renders the Keepalived check script
keepalived_path = util.keepalived_check_script_path()
open_obj = os.open(keepalived_path, flags, mode)
with os.fdopen(open_obj, 'w') as text_file:
text = check_script_template.render(
check_scripts_dir=util.keepalived_check_scripts_dir()
)
text_file.write(text)
res = flask.make_response(flask.jsonify({
'message': 'OK'}), 200)
res.headers['ETag'] = stream.get_md5()
return res
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 upload_keepalived_config():
stream = listener.Wrapped(flask.request.stream)
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
conf_file = util.keepalived_cfg_path()
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), 'w') as f:
b = stream.read(BUFFER)
while b:
f.write(b)
b = stream.read(BUFFER)
file_path = util.keepalived_init_path()
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
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=util.keepalived_pid_path(),
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_cfg_path(),
keepalived_log=util.keepalived_log_path(),
amphora_nsname=consts.AMPHORA_NAMESPACE)
text_file.write(text)
# Renders the Keepalived check script
keepalived_path = util.keepalived_check_script_path()
open_obj = os.open(keepalived_path, flags, mode)
with os.fdopen(open_obj, 'w') as text_file:
text = check_script_template.render(
check_scripts_dir=util.keepalived_check_scripts_dir())
text_file.write(text)
res = flask.make_response(flask.jsonify({'message': 'OK'}), 200)
res.headers['ETag'] = stream.get_md5()
return res
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 vrrp_check_script_update(self, listener_id, action):
listener_ids = util.get_listeners()
if action == consts.AMP_ACTION_STOP:
listener_ids.remove(listener_id)
args = []
for lid in listener_ids:
args.append(util.haproxy_sock_path(lid))
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
cmd = 'haproxy-vrrp-check {args}; exit $?'.format(args=' '.join(args))
with open(util.haproxy_check_script_path(), 'w') as text_file:
text_file.write(cmd)
def vrrp_check_script_update(self, listener_id, action):
listener_ids = util.get_listeners()
if action == consts.AMP_ACTION_STOP:
listener_ids.remove(listener_id)
args = []
for lid in listener_ids:
args.append(util.haproxy_sock_path(lid))
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
cmd = 'haproxy-vrrp-check {args}; exit $?'.format(args=' '.join(args))
with open(util.haproxy_check_script_path(), 'w') as text_file:
text_file.write(cmd)
def test_vrrp_check_script_update(self, mock_sock_path, mock_get_lbs,
mock_join, mock_listdir, mock_exists,
mock_makedirs, mock_get_listeners):
mock_get_lbs.return_value = ['abc', LB_ID1]
mock_sock_path.return_value = 'listener.sock'
mock_exists.side_effect = [False, False, True]
mock_get_lbs.side_effect = [['abc', LB_ID1], ['abc', LB_ID1], []]
mock_get_listeners.return_value = []
# Test the stop action path
cmd = 'haproxy-vrrp-check ' + ' '.join(['listener.sock']) + '; exit $?'
path = util.keepalived_dir()
m = self.useFixture(test_utils.OpenFixture(path)).mock_open
util.vrrp_check_script_update(LB_ID1, 'stop')
handle = m()
handle.write.assert_called_once_with(cmd)
# Test the start action path
cmd = ('haproxy-vrrp-check ' +
' '.join(['listener.sock', 'listener.sock']) + '; exit '
'$?')
m = self.useFixture(test_utils.OpenFixture(path)).mock_open
util.vrrp_check_script_update(LB_ID1, 'start')
handle = m()
handle.write.assert_called_once_with(cmd)
# Test the path with existing keepalived directory and no LBs
mock_makedirs.reset_mock()
cmd = 'exit 1'
m = self.useFixture(test_utils.OpenFixture(path)).mock_open
util.vrrp_check_script_update(LB_ID1, 'start')
handle = m()
handle.write.assert_called_once_with(cmd)
mock_makedirs.assert_has_calls([
mock.call(util.keepalived_dir(), exist_ok=True),
mock.call(util.keepalived_check_scripts_dir(), exist_ok=True)
])
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 upload_keepalived_config(self):
stream = listener.Wrapped(flask.request.stream)
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
os.makedirs(util.keepalived_check_scripts_dir())
conf_file = util.keepalived_cfg_path()
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_init_path(init_system)
if init_system == consts.INIT_SYSTEMD:
template = SYSTEMD_TEMPLATE
init_enable_cmd = "systemctl enable octavia-keepalived"
# 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
init_enable_cmd = "insserv {file}".format(file=file_path)
else:
raise util.UnknownInitError()
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)
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=util.keepalived_pid_path(),
keepalived_cmd=consts.KEEPALIVED_CMD,
keepalived_cfg=util.keepalived_cfg_path(),
keepalived_log=util.keepalived_log_path(),
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)
# Renders the Keepalived check script
keepalived_path = util.keepalived_check_script_path()
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
open_obj = os.open(keepalived_path, flags, mode)
with os.fdopen(open_obj, 'w') as text_file:
text = check_script_template.render(
check_scripts_dir=util.keepalived_check_scripts_dir())
text_file.write(text)
# Make sure the new service is enabled on boot
if init_system != consts.INIT_UPSTART:
try:
subprocess.check_output(init_enable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug(
'Failed to enable octavia-keepalived service: '
'%(err)s %(output)s', {
'err': e,
'output': e.output
})
return webob.Response(json=dict(
message="Error enabling octavia-keepalived service",
details=e.output),
status=500)
res = webob.Response(json={'message': 'OK'}, status=200)
res.headers['ETag'] = stream.get_md5()
return res
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