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 = loadbalancer.Wrapped(flask.request.stream)
if not os.path.exists(util.keepalived_dir()):
os.makedirs(util.keepalived_dir())
if not os.path.exists(util.keepalived_check_scripts_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)
# Configure the monitoring of haproxy
util.vrrp_check_script_update(None, consts.AMP_ACTION_START)
# 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