def _start_collectd(self, connection, bin_path):
LOG.debug("Starting collectd to collect NFVi stats")
collectd_path = os.path.join(bin_path, "collectd", "sbin", "collectd")
config_file_path = os.path.join(bin_path, "collectd", "etc")
self._prepare_collectd_conf(config_file_path)
connection.execute('sudo pkill -x -9 collectd')
cmd = "which %s > /dev/null 2>&1" % collectd_path
exit_status, _, stderr = connection.execute(cmd)
if exit_status != 0:
raise ResourceCommandError(command=cmd, stderr=stderr)
if "ovs_stats" in self.plugins:
self._setup_ovs_stats(connection)
LOG.debug("Starting collectd to collect NFVi stats")
LOG.debug("Start collectd service..... %s second timeout",
self.timeout)
# intel_pmu plug requires large numbers of files open, so try to set
# ulimit -n to a large value
cmd = "sudo bash -c 'ulimit -n 1000000 ; %s'" % collectd_path
exit_status, _, stderr = connection.execute(cmd, timeout=self.timeout)
if exit_status != 0:
raise ResourceCommandError(command=cmd, stderr=stderr)
LOG.debug("Done")
def _start_rabbitmq(self, connection):
if self._reset_mq_flag:
self._reset_rabbitmq(connection)
else:
if not self._check_rabbitmq_user(connection):
self._set_rabbitmq_admin_user(connection)
# check stdout for "sudo rabbitmqctl status" command
cmd = "sudo rabbitmqctl status"
_, stdout, stderr = connection.execute(cmd)
if not re.search("RabbitMQ", stdout):
LOG.error("rabbitmqctl status don't have RabbitMQ in running apps")
raise ResourceCommandError(command=cmd, stderr=stderr)
def _set_rabbitmq_admin_user(self, connection):
LOG.debug("add admin user to amqp")
cmd_list = [
"sudo rabbitmqctl add_user admin admin",
"sudo rabbitmqctl authenticate_user admin admin",
"sudo rabbitmqctl set_permissions -p / admin '.*' '.*' '.*'"
]
for cmd in cmd_list:
exit_status, stdout, stderr = connection.execute(cmd)
if exit_status != 0:
raise ResourceCommandError(command=cmd,
stdout=stdout,
stderr=stderr)
def _reset_rabbitmq(self, connection):
# Reset amqp queue
LOG.debug("reset and setup amqp to collect data from collectd")
# ensure collectd.conf.d exists to avoid error/warning
cmd_list = [
"sudo mkdir -p /etc/collectd/collectd.conf.d",
"sudo service rabbitmq-server restart",
"sudo rabbitmqctl stop_app", "sudo rabbitmqctl reset",
"sudo rabbitmqctl start_app",
"sudo rabbitmqctl add_user admin admin",
"sudo rabbitmqctl authenticate_user admin admin",
"sudo rabbitmqctl set_permissions -p / admin '.*' '.*' '.*'"
]
for cmd in cmd_list:
exit_status, _, stderr = connection.execute(cmd)
if exit_status != 0:
raise ResourceCommandError(command=cmd, stderr=stderr)