def delete_listener(listener_id):
_check_listener_exists(listener_id)
# check if that haproxy is still running and if stop it
if os.path.exists(util.pid_path(listener_id)) and os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
cmd = "/usr/sbin/service haproxy-{0} stop".format(listener_id)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to stop HAProxy service: %s", e)
return flask.make_response(flask.jsonify(dict(
message="Error stopping haproxy",
details=e.output)), 500)
# parse config and delete stats socket
try:
cfg = _parse_haproxy_file(listener_id)
os.remove(cfg['stats_socket'])
except Exception:
pass
# delete the ssl files
try:
shutil.rmtree(_cert_dir(listener_id))
except Exception:
pass
# delete the directory + upstart script for that listener
shutil.rmtree(util.haproxy_dir(listener_id))
if os.path.exists(util.upstart_path(listener_id)):
os.remove(util.upstart_path(listener_id))
return flask.jsonify({'message': 'OK'})
def _check_haproxy_status(self, listener_id):
if os.path.exists(util.pid_path(listener_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
return consts.ACTIVE
else: # pid file but no process...
return consts.OFFLINE
else:
return consts.OFFLINE
def _check_listener_status(listener_id):
if os.path.exists(util.pid_path(listener_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
return consts.ACTIVE
else: # pid file but no process...
return consts.ERROR
else:
return consts.OFFLINE
def delete_listener(self, listener_id):
self._check_listener_exists(listener_id)
# check if that haproxy is still running and if stop it
if os.path.exists(util.pid_path(listener_id)) and os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
cmd = "/usr/sbin/service haproxy-{0} stop".format(listener_id)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to stop HAProxy service: %s", e)
return webob.Response(json=dict(
message="Error stopping haproxy",
details=e.output), status=500)
# parse config and delete stats socket
try:
cfg = self._parse_haproxy_file(listener_id)
os.remove(cfg['stats_socket'])
except Exception:
pass
# delete the ssl files
try:
shutil.rmtree(self._cert_dir(listener_id))
except Exception:
pass
# disable the service
init_system = util.get_os_init_system()
init_path = util.init_path(listener_id, init_system)
if init_system == consts.INIT_SYSTEMD:
init_disable_cmd = "systemctl disable haproxy-{list}".format(
list=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_UPSTART:
try:
subprocess.check_output(init_disable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to disable haproxy-%(list)s service: "
"%(err)s", {'list': listener_id, 'err': e})
return webob.Response(json=dict(
message="Error disabling haproxy-{0} service".format(
listener_id), details=e.output), status=500)
# delete the directory + init script for that listener
shutil.rmtree(util.haproxy_dir(listener_id))
if os.path.exists(init_path):
os.remove(init_path)
return webob.Response(json={'message': 'OK'})
def _get_listeners_on_lb(self, lb_id):
if os.path.exists(util.pid_path(lb_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(lb_id))):
# Check if the listener is disabled
with open(util.config_path(lb_id), 'r') as file:
cfg = file.read()
m = re.findall('^frontend (.*)$', cfg, re.MULTILINE)
return m or []
else: # pid file but no process...
return []
else:
return []
def _check_listener_status(self, listener_id):
if os.path.exists(util.pid_path(listener_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
# Check if the listener is disabled
with open(util.config_path(listener_id), 'r') as file:
cfg = file.read()
m = re.search('frontend {}'.format(listener_id), cfg)
if m:
return consts.ACTIVE
return consts.OFFLINE
else: # pid file but no process...
return consts.ERROR
else:
return consts.OFFLINE
def _check_listener_status(self, listener_id):
if os.path.exists(util.pid_path(listener_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
# Check if the listener is disabled
with open(util.config_path(listener_id), 'r') as file:
cfg = file.read()
m = re.search('frontend {}'.format(listener_id), cfg)
if m:
return consts.ACTIVE
return consts.OFFLINE
else: # pid file but no process...
return consts.ERROR
else:
return consts.OFFLINE
def delete_listener(self, listener_id):
try:
self._check_listener_exists(listener_id)
except exceptions.HTTPException:
return webob.Response(json={'message': 'OK'})
# check if that haproxy is still running and if stop it
if os.path.exists(util.pid_path(listener_id)) and os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
cmd = "/usr/sbin/service haproxy-{0} stop".format(listener_id)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to stop haproxy-%s service: %s %s",
listener_id, e, e.output)
return webob.Response(json=dict(
message="Error stopping haproxy", details=e.output),
status=500)
# parse config and delete stats socket
try:
cfg = self._parse_haproxy_file(listener_id)
os.remove(cfg['stats_socket'])
except Exception:
pass
# Since this script should be deleted at LB delete time
# we can check for this path to see if VRRP is enabled
# on this amphora and not write the file if VRRP is not in use
if os.path.exists(util.keepalived_check_script_path()):
self.vrrp_check_script_update(listener_id,
action=consts.AMP_ACTION_STOP)
# delete the ssl files
try:
shutil.rmtree(self._cert_dir(listener_id))
except Exception:
pass
# disable the service
init_system = util.get_os_init_system()
init_path = util.init_path(listener_id, init_system)
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.DISABLE, "haproxy-{list}".format(list=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 haproxy-%(list)s service: "
"%(err)s %(out)s", {
'list': listener_id,
'err': e,
'out': e.output
})
return webob.Response(json=dict(
message="Error disabling haproxy-{0} service".format(
listener_id),
details=e.output),
status=500)
# delete the directory + init script for that listener
shutil.rmtree(util.haproxy_dir(listener_id))
if os.path.exists(init_path):
os.remove(init_path)
return webob.Response(json={'message': 'OK'})
def _check_haproxy_status(self, lb_id):
if os.path.exists(util.pid_path(lb_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(lb_id))):
return consts.ACTIVE
return consts.OFFLINE
def _check_haproxy_status(self, listener_id):
if os.path.exists(util.pid_path(listener_id)):
if os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
return consts.ACTIVE
return consts.OFFLINE
def delete_listener(self, listener_id):
try:
self._check_listener_exists(listener_id)
except exceptions.HTTPException:
return webob.Response(json={'message': 'OK'})
# check if that haproxy is still running and if stop it
if os.path.exists(util.pid_path(listener_id)) and os.path.exists(
os.path.join('/proc', util.get_haproxy_pid(listener_id))):
cmd = "/usr/sbin/service haproxy-{0} stop".format(listener_id)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to stop haproxy-%s service: %s %s",
listener_id, e, e.output)
return webob.Response(json=dict(
message="Error stopping haproxy",
details=e.output), status=500)
# parse config and delete stats socket
try:
cfg = self._parse_haproxy_file(listener_id)
os.remove(cfg['stats_socket'])
except Exception:
pass
# Since this script should be deleted at LB delete time
# we can check for this path to see if VRRP is enabled
# on this amphora and not write the file if VRRP is not in use
if os.path.exists(util.keepalived_check_script_path()):
self.vrrp_check_script_update(
listener_id, action=consts.AMP_ACTION_STOP)
# delete the ssl files
try:
shutil.rmtree(self._cert_dir(listener_id))
except Exception:
pass
# disable the service
init_system = util.get_os_init_system()
init_path = util.init_path(listener_id, init_system)
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.DISABLE, "haproxy-{list}".format(
list=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 haproxy-%(list)s service: "
"%(err)s %(out)s", {'list': listener_id, 'err': e,
'out': e.output})
return webob.Response(json=dict(
message="Error disabling haproxy-{0} service".format(
listener_id), details=e.output), status=500)
# delete the directory + init script for that listener
shutil.rmtree(util.haproxy_dir(listener_id))
if os.path.exists(init_path):
os.remove(init_path)
return webob.Response(json={'message': 'OK'})
