Merge "Test case spec for SDN Virtual Switch resilience."
[yardstick.git] / yardstick / network_services / nfvi / resource.py
index dea754d..0c0bf22 100644 (file)
 # 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
@@ -55,8 +52,7 @@ class ResourceProfile(object):
     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 = {}
@@ -82,7 +78,18 @@ class ResourceProfile(object):
         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)
@@ -91,7 +98,7 @@ class ResourceProfile(object):
         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
 
@@ -233,19 +240,6 @@ class ResourceProfile(object):
         }
         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)
@@ -256,47 +250,46 @@ class ResourceProfile(object):
         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
@@ -308,9 +301,10 @@ class ResourceProfile(object):
         """ 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):
@@ -332,7 +326,7 @@ class ResourceProfile(object):
             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