def _re_start_load_balancer(self,
timeout_msg,
rc_non_zero_msg,
additional_params=[]):
""" A common method for (re-)starting HAProxy.
"""
command = [
self.haproxy_command, '-D', '-f', self.config_path, '-p',
self.haproxy_pidfile
]
command.extend(additional_params)
timeouting_popen(command, 5.0, timeout_msg, rc_non_zero_msg)
def validate_haproxy_config(config_data, haproxy_command):
""" Writes the config into a temporary file and validates it using the HAProxy's
-c check mode.
"""
try:
with NamedTemporaryFile(prefix='zato-tmp') as tf:
tf.write(config_data)
tf.flush()
common_msg = 'config_file:`{}`'
common_msg = common_msg.format(open(tf.name).read())
timeout_msg = 'HAProxy didn\'t respond in `{}` seconds. '
rc_non_zero_msg = 'Failed to validate the config file using HAProxy. '
command = [haproxy_command, '-c', '-f', tf.name]
timeouting_popen(command, HAPROXY_VALIDATE_TIMEOUT, timeout_msg, rc_non_zero_msg, common_msg)
except Exception, e:
msg = 'Caught an exception, e:`{}`'.format(format_exc(e))
logger.error(msg)
raise Exception(msg)
def validate_haproxy_config(config_data, haproxy_command):
""" Writes the config into a temporary file and validates it using the HAProxy's
-c check mode.
"""
try:
with NamedTemporaryFile(prefix='zato-tmp') as tf:
tf.write(config_data)
tf.flush()
common_msg = 'config_file:`{}`'
common_msg = common_msg.format(open(tf.name).read())
timeout_msg = 'HAProxy didn\'t respond in `{}` seconds. '
rc_non_zero_msg = 'Failed to validate the config file using HAProxy. '
command = [haproxy_command, '-c', '-f', tf.name]
timeouting_popen(command, HAPROXY_VALIDATE_TIMEOUT, timeout_msg,
rc_non_zero_msg, common_msg)
except Exception, e:
msg = 'Caught an exception, e:`{}`'.format(format_exc(e))
logger.error(msg)
raise Exception(msg)
def _re_start_load_balancer(self, timeout_msg, rc_non_zero_msg, additional_params=[]):
""" A common method for (re-)starting HAProxy.
"""
command = [self.haproxy_command, '-D', '-f', self.config_path, '-p', self.pid_path]
command.extend(additional_params)
timeouting_popen(command, 5.0, timeout_msg, rc_non_zero_msg)
