add ability to get nodes processes as pandas tables(dataframes) for querying 2nd commit
Change-Id: Ib991d9d97711c2d69ea6fc65d7e93bc0b60b1b78changes/74/695074/3
pkomarov
Pini Komarov
parent
4d14b44332
commit
01e7654fdf
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@ -25,6 +25,7 @@ from tobiko.openstack import nova
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from tobiko.tripleo import overcloud
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from tobiko.tripleo import pacemaker
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from tobiko.tripleo import services
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from tobiko.tripleo import processes
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import tobiko
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@ -126,3 +127,20 @@ class OvercloudServicesTest(testtools.TestCase):
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resource_type='(ocf::heartbeat:rabbitmq-cluster):',
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resource_state='Started')
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self.assertIsInstance(nodes_list, list)
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@overcloud.skip_if_missing_overcloud
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class OvercloudProcessesTest(testtools.TestCase):
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"""
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Assert that a subset of overcloud processes are in running state
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across the overcloud nodes
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"""
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def test_get_processes_resource_table(self):
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ops = processes.OvercloudProcessesStatus()
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self.assertIsInstance(ops.oc_procs_df,
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pd.DataFrame)
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def test_overcloud_processes(self):
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ops = processes.OvercloudProcessesStatus()
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self.assertTrue(ops.basic_overcloud_processes_running)
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@ -0,0 +1,125 @@
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from __future__ import absolute_import
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from oslo_log import log
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import pandas
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import six
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import tobiko
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from tobiko.tripleo import overcloud
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from tobiko.shell import sh
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LOG = log.getLogger(__name__)
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class OvercloudProcessesException(tobiko.TobikoException):
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message = "not all overcloud processes are in running state, " \
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"{process_error}"
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def get_overcloud_node_processes_table(hostname):
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"""
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get processes tables from overcloud node
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returns :
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[root@controller-0 ~]# ps -axw -o "%U" -o "|%p" -o "|%P" -o "|%C" -o "|%z" -o
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"|%x" -o "|%c" -o "|%a" |grep -v ps|head
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USER | PID| PPID|%CPU| VSZ| TIME|COMMAND |COMMAND
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|overcloud_node
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root | 1| 0| 1.3|246892|01:08:57|systemd |/usr/lib/systemd
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controller-0 ...
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/systemd --switched-root --system --deserialize 18
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root | 2| 0| 0.0| 0|00:00:00|kthreadd |[kthreadd]
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root | 3| 2| 0.0| 0|00:00:00|rcu_gp |[rcu_gp]
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root | 4| 2| 0.0| 0|00:00:00|rcu_par_gp |[rcu_par_gp]
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root | 6| 2| 0.0| 0|00:00:00|kworker/0:0H-ev|[kworker/0:0H
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-events_highpri]
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root | 8| 2| 0.0| 0|00:00:00|mm_percpu_wq |[mm_percpu_wq]
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root | 9| 2| 0.0| 0|00:00:06|ksoftirqd/0 |[ksoftirqd/0]
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root | 10| 2| 0.0| 0|00:04:28|rcu_sched |[rcu_sched]
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root | 11| 2| 0.0| 0|00:00:05|migration/0 |[migration/0]
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:return: dataframe of overcloud node processes dataframe
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"""
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ssh_client = overcloud.overcloud_ssh_client(hostname)
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output = sh.execute(
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"ps -axw -o \"%U\" -o \"DELIM%p\" -o \"DELIM%P\" -o \"DELIM%C\" -o "
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"\"DELIM%z\" -o \"DELIM%x\" -o \"DELIM%c\" -o \"DELIM%a\" |grep -v "
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"ps|sed 's/\"/''/g'",
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ssh_client=ssh_client).stdout
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stream = six.StringIO(output)
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table = pandas.read_csv(stream, sep='DELIM', header=None, skiprows=1)
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table.replace(to_replace=' ', value="", regex=True, inplace=True)
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table.columns = ['USER', 'PID', 'PPID', 'CPU', 'VSZ', 'TIME', 'PROCESS',
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'PROCESS_ARGS']
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table['overcloud_node'] = hostname
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LOG.debug("Got overcloud nodes processes status :\n%s", table)
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return table
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def get_overcloud_nodes_running_process(process):
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"""
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Check what nodes are running the specifies
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process: exact str of a process name as seen in ps -axw -o "%c"
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:return: list of overcloud nodes
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"""
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oc_procs_df = overcloud.get_overcloud_nodes_dataframe(
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get_overcloud_node_processes_table)
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oc_nodes_running_process = oc_procs_df.query('PROCESS=="{}"'.format(
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process))['overcloud_node'].unique()
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return oc_nodes_running_process
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def check_if_process_running_on_overcloud(process):
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"""
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Check what nodes are running the specifies
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process: exact str of a process name as seen in ps -axw -o "%c"
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:return: list of overcloud nodes
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"""
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oc_procs_df = overcloud.get_overcloud_nodes_dataframe(
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get_overcloud_node_processes_table)
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if not oc_procs_df.query('PROCESS=="{}"'.format(process)).empty:
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return True
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else:
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return False
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class OvercloudProcessesStatus(object):
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"""
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class to handle processes checks,
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checks that all of these are running in the overcloud:
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'ovsdb-server','pcsd', 'corosync', 'beam.smp', 'mysqld', 'redis-server',
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'haproxy', 'nova-conductor', 'nova-scheduler', 'neutron-server',
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'nova-compute', 'glance-api'
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"""
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def __init__(self):
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self.processes_to_check = ['ovsdb-server', 'pcsd', 'corosync',
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'beam.smp', 'mysqld', 'redis-server',
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'haproxy', 'nova-conductor',
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'nova-scheduler', 'neutron-server',
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'nova-compute', 'glance-api']
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self.oc_procs_df = overcloud.get_overcloud_nodes_dataframe(
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get_overcloud_node_processes_table)
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@property
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def basic_overcloud_processes_running(self):
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"""
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Checks that the oc_procs_df dataframe has all of the list procs
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:return: Bool
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"""
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for process_name in self.processes_to_check:
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if not self.oc_procs_df.query('PROCESS=="{}"'.format(
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process_name)).empty:
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LOG.info("overcloud processes status checks: process {} is "
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"in running state".format(process_name))
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continue
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else:
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LOG.info("Failure : overcloud processes status checks: "
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"process {} is not running ".format(process_name))
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raise OvercloudProcessesException(
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process_error="process {} is not running ".format(
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process_name))
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return True
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