# limitations under the License.
""" Resource collection definitions """
-from __future__ import absolute_import
-from __future__ import print_function
-
-import logging
-from itertools import chain
-
import errno
-import jinja2
+from itertools import chain
+import logging
+import multiprocessing
import os
import os.path
import re
-import multiprocessing
-import pkg_resources
+import jinja2
+import pkg_resources
from oslo_config import cfg
from oslo_utils.encodeutils import safe_decode
from yardstick import ssh
+from yardstick.common.exceptions import ResourceCommandError
from yardstick.common.task_template import finalize_for_yaml
from yardstick.common.utils import validate_non_string_sequence
from yardstick.network_services.nfvi.collectd import AmqpConsumer
DEFAULT_TIMEOUT = 3600
OVS_SOCKET_PATH = "/usr/local/var/run/openvswitch/db.sock"
- def __init__(self, mgmt, port_names=None, cores=None, plugins=None,
- interval=None, timeout=None):
+ def __init__(self, mgmt, port_names=None, plugins=None, interval=None, timeout=None):
if plugins is None:
self.plugins = {}
self.mgmt = mgmt
self.connection = ssh.AutoConnectSSH.from_node(mgmt)
- def check_if_sa_running(self, process):
+ @classmethod
+ def make_from_node(cls, node, timeout):
+ # node dict works as mgmt dict
+ # don't need port names, there is no way we can
+ # tell what port is used on the compute node
+ collectd_options = node["collectd"]
+ plugins = collectd_options.get("plugins", {})
+ interval = collectd_options.get("interval")
+
+ return cls(node, plugins=plugins, interval=interval, timeout=timeout)
+
+ def check_if_system_agent_running(self, process):
""" verify if system agent is running """
try:
err, pid, _ = self.connection.execute("pgrep -f %s" % process)
except OSError as e:
if e.errno in {errno.ECONNRESET}:
# if we can't connect to check, then we won't be able to connect to stop it
- LOG.exception("can't connect to host to check collectd status")
+ LOG.exception("Can't connect to host to check %s status", process)
return 1, None
raise
}
self._provide_config_file(config_file_path, self.COLLECTD_CONF, kwargs)
- def _setup_intel_pmu(self, connection, bin_path):
- pmu_event_path = os.path.join(bin_path, "pmu_event.json")
- try:
- self.plugins["intel_pmu"]["pmu_event_path"] = pmu_event_path
- except KeyError:
- # if intel_pmu is not a dict, force it into a dict
- self.plugins["intel_pmu"] = {"pmu_event_path": pmu_event_path}
- LOG.debug("Downloading event list for pmu_stats plugin")
- cmd = 'cd {0}; PMU_EVENTS_PATH={1} python event_download_local.py'.format(
- bin_path, pmu_event_path)
- cmd = "sudo bash -c '{}'".format(cmd)
- connection.execute(cmd)
-
def _setup_ovs_stats(self, connection):
try:
socket_path = self.plugins["ovs_stats"].get("ovs_socket_path", self.OVS_SOCKET_PATH)
if status != 0:
LOG.error("cannot find OVS socket %s", socket_path)
+ def _start_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, stdout, stderr = connection.execute(cmd)
+ if exit_status != 0:
+ raise ResourceCommandError(command=cmd, stderr=stderr)
+
+ # 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 _start_collectd(self, connection, bin_path):
LOG.debug("Starting collectd to collect NFVi stats")
- connection.execute('sudo pkill -x -9 collectd')
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')
exit_status = connection.execute("which %s > /dev/null 2>&1" % collectd_path)[0]
if exit_status != 0:
LOG.warning("%s is not present disabling", collectd_path)
- # disable auto-provisioning because it requires Internet access
- # collectd_installer = os.path.join(bin_path, "collectd.sh")
- # provision_tool(connection, collectd)
- # http_proxy = os.environ.get('http_proxy', '')
- # https_proxy = os.environ.get('https_proxy', '')
- # connection.execute("sudo %s '%s' '%s'" % (
- # collectd_installer, http_proxy, https_proxy))
return
- if "intel_pmu" in self.plugins:
- self._setup_intel_pmu(connection, bin_path)
if "ovs_stats" in self.plugins:
self._setup_ovs_stats(connection)
LOG.debug("Starting collectd to collect NFVi stats")
- # ensure collectd.conf.d exists to avoid error/warning
- connection.execute("sudo mkdir -p /etc/collectd/collectd.conf.d")
- self._prepare_collectd_conf(config_file_path)
-
- # Reset amqp queue
- LOG.debug("reset and setup amqp to collect data from collectd")
- connection.execute("sudo rm -rf /var/lib/rabbitmq/mnesia/rabbit*")
- connection.execute("sudo service rabbitmq-server start")
- connection.execute("sudo rabbitmqctl stop_app")
- connection.execute("sudo rabbitmqctl reset")
- connection.execute("sudo rabbitmqctl start_app")
- connection.execute("sudo service rabbitmq-server restart")
-
- LOG.debug("Creating admin user for rabbitmq in order to collect data from collectd")
- connection.execute("sudo rabbitmqctl delete_user guest")
- connection.execute("sudo rabbitmqctl add_user admin admin")
- connection.execute("sudo rabbitmqctl authenticate_user admin admin")
- connection.execute("sudo rabbitmqctl set_permissions -p / admin '.*' '.*' '.*'")
-
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
""" Start system agent for NFVi collection on host """
if self.enable:
try:
+ self._start_rabbitmq(self.connection)
self._start_collectd(self.connection, bin_path)
- except Exception:
- LOG.exception("Exception during collectd start")
+ except ResourceCommandError as e:
+ LOG.exception("Exception during collectd and rabbitmq start: %s", str(e))
raise
def start(self):
self.amqp_client.terminate()
LOG.debug("Check if %s is running", agent)
- status, pid = self.check_if_sa_running(agent)
+ status, pid = self.check_if_system_agent_running(agent)
LOG.debug("status %s pid %s", status, pid)
if status != 0:
return