aboutsummaryrefslogtreecommitdiffstats
path: root/baro_tests/config_server.py
blob: 2a4bc1671c168e3e702e3c4e7d27dbbdd507507b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
# -*- coding: utf-8 -*-
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

"""Classes used by collectd.py"""

import time
import os.path
import os
import re

from opnfv.deployment import factory
import paramiko
from functest.utils import constants

ID_RSA_PATH = '/root/.ssh/id_rsa'
SSH_KEYS_SCRIPT = '/home/opnfv/barometer/baro_utils/get_ssh_keys.sh'
DEF_PLUGIN_INTERVAL = 10
COLLECTD_CONF = '/etc/collectd.conf'
COLLECTD_CONF_DIR = '/etc/collectd/collectd.conf.d'
NOTIFICATION_FILE = '/var/log/python-notifications.dump'
COLLECTD_NOTIFICATION = '/etc/collectd_notification_dump.py'
APEX_IP = os.getenv("INSTALLER_IP").rstrip('\n')
APEX_USER = 'root'
APEX_USER_STACK = 'stack'
APEX_PKEY = '/root/.ssh/id_rsa'


class Node(object):
    """Node configuration class"""
    def __init__(self, attrs):
        self.__null = attrs[0]
        self.__id = attrs[1]
        self.__name = attrs[2]
        self.__status = attrs[3] if attrs[3] else None
        self.__taskState = attrs[4]
        self.__pwrState = attrs[5]
        self.__ip = re.sub('^[a-z]+=', '', attrs[6])

    def get_name(self):
        """Get node name"""
        return self.__name

    def get_id(self):
        """Get node ID"""
        return self.__id

    def get_ip(self):
        """Get node IP address"""
        return self.__ip

    def get_roles(self):
        """Get node role"""
        return self.__roles


def get_apex_nodes():
    handler = factory.Factory.get_handler('apex',
                                          APEX_IP,
                                          APEX_USER_STACK,
                                          APEX_PKEY)
    nodes = handler.get_nodes()
    return nodes


class ConfigServer(object):
    """Class to get env configuration"""
    def __init__(self, host, user, logger, priv_key=None):
        self.__host = host
        self.__user = user
        self.__passwd = None
        self.__priv_key = priv_key
        self.__nodes = list()
        self.__logger = logger

        self.__private_key_file = ID_RSA_PATH
        if not os.path.isfile(self.__private_key_file):
            self.__logger.error(
                "Private key file '{}'".format(self.__private_key_file)
                + " not found.")
            raise IOError("Private key file '{}' not found.".format(
                self.__private_key_file))

        # get list of available nodes
        ssh, sftp = self.__open_sftp_session(
            self.__host, self.__user, self.__passwd)
        attempt = 1
        fuel_node_passed = False

        while (attempt <= 10) and not fuel_node_passed:
            stdin, stdout, stderr = ssh.exec_command(
                "source stackrc; nova list")
            stderr_lines = stderr.readlines()
            if stderr_lines:
                self.__logger.warning(
                    "'Apex node' command failed (try {}):".format(attempt))
                for line in stderr_lines:
                    self.__logger.debug(line.strip())
            else:
                fuel_node_passed = True
                if attempt > 1:
                    self.__logger.info(
                        "'Apex node' command passed (try {})".format(attempt))
            attempt += 1
        if not fuel_node_passed:
            self.__logger.error(
                "'Apex node' command failed. This was the last try.")
            raise OSError(
                "'Apex node' command failed. This was the last try.")
        node_table = stdout.readlines()\

        # skip table title and parse table values

        for entry in node_table[3:]:
            if entry[0] == '+' or entry[0] == '\n':
                print entry
                pass
            else:
                self.__nodes.append(
                    Node([str(x.strip(' \n')) for x in entry.split('|')]))

    def get_controllers(self):
        # Get list of controllers
        print self.__nodes[0]._Node__ip
        return (
            [node for node in self.__nodes if 'controller' in node.get_name()])

    def get_computes(self):
        # Get list of computes
        return (
            [node for node in self.__nodes if 'compute' in node.get_name()])

    def get_nodes(self):
        # Get list of nodes
        return self.__nodes

    def __open_sftp_session(self, host, user, passwd=None):
        # Connect to given host.
        """Keyword arguments:
        host -- host to connect
        user -- user to use
        passwd -- password to use

        Return tuple of SSH and SFTP client instances.
        """
        # create SSH client
        ssh = paramiko.SSHClient()
        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

        # try a direct access using password or private key
        if not passwd and not self.__priv_key:
            # get private key
            self.__priv_key = paramiko.RSAKey.from_private_key_file(
                self.__private_key_file)

        # connect to the server
        ssh.connect(
            host, username=user, password=passwd, pkey=self.__priv_key)
        sftp = ssh.open_sftp()

        # return SFTP client instance
        return ssh, sftp

    def get_plugin_interval(self, compute, plugin):
        """Find the plugin interval in collectd configuration.

        Keyword arguments:
        compute -- compute node instance
        plugin -- plug-in name

        If found, return interval value, otherwise the default value"""
        default_interval = DEF_PLUGIN_INTERVAL
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd(
                    'cat /etc/collectd/collectd.conf.d/{}.conf'.format(plugin))
                if stdout is None:
                    return default_interval
                for line in stdout.split('\n'):
                    if 'Interval' in line:
                        return 1
        return default_interval

    def get_plugin_config_values(self, compute, plugin, parameter):
        """Get parameter values from collectd config file.

        Keyword arguments:
        compute -- compute node instance
        plugin -- plug-in name
        parameter -- plug-in parameter

        Return list of found values."""
        default_values = []
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd(
                    'cat /etc/collectd/collectd.conf.d/{}.conf' .format(plugin))
                if stdout is None:
                    return default_values
                for line in stdout.split('\n'):
                    if 'Interfaces' in line:
                        return line.split(' ', 1)[1]
                    elif 'Bridges' in line:
                        return line.split(' ', 1)[1]
                    elif 'Cores' in line:
                        return line.split(' ', 1)[1]
                    else:
                        pass
        return default_values

    def execute_command(self, command, host_ip=None, ssh=None):
        """Execute command on node and return list of lines of standard output.

        Keyword arguments:
        command -- command
        host_ip -- IP of the node
        ssh -- existing open SSH session to use

        One of host_ip or ssh must not be None. If both are not None,
        existing ssh session is used.
        """
        if host_ip is None and ssh is None:
            raise ValueError('One of host_ip or ssh must not be None.')
        if ssh is None:
            ssh, sftp = self.__open_sftp_session(host_ip, 'root', 'opnfvapex')
        stdin, stdout, stderr = ssh.exec_command(command)
        return stdout.readlines()

    def get_ovs_interfaces(self, compute):
        """Get list of configured OVS interfaces

        Keyword arguments:
        compute -- compute node instance
        """
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd('sudo ovs-vsctl list-br')
        return stdout

    def is_gnocchi_running(self, controller):
        """Check whether Gnocchi is running on controller.

        Keyword arguments:
        controller -- controller node instance

        Return boolean value whether Gnocchi is running.
        """
        gnocchi_present = False
        controller_name = controller.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if controller_name == node.get_dict()['name']:
                node.put_file(constants.ENV_FILE, 'overcloudrc.v3')
                stdout = node.run_cmd(
                    "source overcloudrc.v3;"
                    + "openstack catalog list | grep gnocchi")
                if stdout is None:
                    return False
                elif 'gnocchi' in stdout:
                    gnocchi_present = True
                    return gnocchi_present
                else:
                    return False
        return gnocchi_present

    def is_aodh_running(self, controller):
        """Check whether aodh service is running on controller
        """
        aodh_present = False
        controller_name = controller.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if controller_name == node.get_dict()['name']:
                node.put_file(constants.ENV_FILE, 'overcloudrc.v3')
                stdout = node.run_cmd(
                    "source overcloudrc.v3;"
                    + "openstack catalog list | grep aodh")
                if stdout is None:
                    return False
                elif 'aodh' in stdout:
                    aodh_present = True
                    return aodh_present
                else:
                    return False
        return aodh_present

    def is_mcelog_installed(self, compute, package):
        """Check whether package exists on compute node.

        Keyword arguments:
        compute -- compute node instance
        package -- Linux package to search for

        Return boolean value whether package is installed.
        """
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd(
                    'rpm -qa | grep mcelog')
                if stdout is None:
                    return 0
                elif 'mcelog' in stdout:
                    return 1
                else:
                    return 0

    def is_rdt_available(self, compute):
        """Check whether the compute node is a virtual machine."""
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd('cat /proc/cpuinfo | grep hypervisor')
                if 'hypervisor' in stdout:
                    return False
        return True

    def is_libpqos_on_node(self, compute):
        """Check whether libpqos is present on compute node"""

        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd('ls /usr/local/lib/ | grep libpqos')
                if 'libpqos' in stdout:
                    return True
        return False

    def check_aodh_plugin_included(self, compute):
        """Check if aodh plugin is included in collectd.conf file.
        If not, try to enable it.

        Keyword arguments:
        compute -- compute node instance

        Return boolean value whether AODH plugin is included
        or it's enabling was successful.
        """
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                aodh_conf = node.run_cmd('ls /etc/collectd/collectd.conf.d')
                if 'aodh.conf' not in aodh_conf:
                    self.__logger.info(
                        "AODH Plugin not included in {}".format(compute_name))
                    return False
                else:
                    self.__logger.info(
                        "AODH plugin present in compute node {}" .format(
                            compute_name))
                    return True
        return True

    def check_gnocchi_plugin_included(self, compute):
        """Check if gnocchi plugin is included in collectd.conf file.
        If not, try to enable it.

        Keyword arguments:
        compute -- compute node instance

        Return boolean value whether gnocchi plugin is included
        or it's enabling was successful.
        """
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                gnocchi_conf = node.run_cmd('ls /etc/collectd/collectd.conf.d')
                if 'collectd-ceilometer-plugin.conf' not in gnocchi_conf:
                    self.__logger.info(
                        "Gnocchi Plugin not included in node {}".format(
                            compute_name))
                    return False
                else:
                    self.__logger.info(
                        "Gnocchi plugin available in compute node {}" .format(
                            compute_name))
                    return True
        return True

    def check_snmp_plugin_included(self, compute):
        """Check if SNMP plugin is active in compute node.
        """
        snmp_mib = '/usr/share/snmp/mibs/Intel-Rdt.txt'
        snmp_string = 'INTEL-RDT-MIB::intelRdt'
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                stdout = node.run_cmd(
                    'snmpwalk -v2c -m {0} -c public localhost {1}' .format(
                        snmp_mib, snmp_string))
                self.__logger.info("snmp output = {}" .format(stdout))
                if 'OID' in stdout:
                    return False
                else:
                    return True

    def enable_plugins(
            self, compute, plugins, error_plugins, create_backup=True):
        """Enable plugins on compute node

        Keyword arguments:
        compute -- compute node instance
        plugins -- list of plugins to be enabled

        Return boolean value indicating whether function was successful.
        """
        csv_file = os.path.dirname(os.path.realpath(__file__)) + '/csv.conf'
        plugins = sorted(plugins)
        compute_name = compute.get_name()
        nodes = get_apex_nodes()
        for node in nodes:
            if compute_name == node.get_dict()['name']:
                node.put_file(csv_file, 'csv.conf')
                node.run_cmd(
                    'sudo cp csv.conf '
                    + '/etc/collectd/collectd.conf.d/csv.conf')
        return True

    def restart_collectd(self, compute):
        """Restart collectd on compute node.

        Keyword arguments:
        compute -- compute node instance

        Retrun tuple with boolean indicating success and list of warnings
        received during collectd start.
        """
        compute_name = compute.get_name()
        nodes = get_apex_nodes()

        def get_collectd_processes(compute_node):
            """Get number of running collectd processes.

            Keyword arguments:
            ssh_session -- instance of SSH session in which to check
                for processes
            """
            stdout = compute_node.run_cmd("pgrep collectd")
            return len(stdout)

        for node in nodes:
            if compute_name == node.get_dict()['name']:
                # node.run_cmd('su; "opnfvapex"')
                self.__logger.info('Stopping collectd service...')
                node.run_cmd('sudo systemctl stop collectd')
                time.sleep(10)
                if get_collectd_processes(node):
                    self.__logger.error('Collectd is still running...')
                    return False, []
                self.__logger.info('Starting collectd service...')
                stdout = node.run_cmd('sudo systemctl start collectd')
                time.sleep(10)
                warning = [
                    output.strip() for output in stdout if 'WARN: ' in output]
                if get_collectd_processes(node) == 0:
                    self.__logger.error('Collectd is still not running...')
                    return False, warning
        return True, warning

    def test_plugins_with_aodh(
            self, compute, plugin_interval, logger,
            criteria_list=[]):

        metric_id = {}
        timestamps1 = {}
        timestamps2 = {}
        nodes = get_apex_nodes()
        for node in nodes:
            if node.is_controller():
                self.__logger.info('Getting AODH Alarm list on {}' .format(
                    (node.get_dict()['name'])))
                node.put_file(constants.ENV_FILE, 'overcloudrc.v3')
                stdout = node.run_cmd(
                    "source overcloudrc.v3;"
                    + "aodh alarm list | grep {0} | grep {1}"
                    .format(criteria_list, compute))
                if stdout is None:
                    self.__logger.info("aodh alarm list was empty")
                    return False
                for line in stdout.splitlines():
                    line = line.replace('|', "")
                    metric_id = line.split()[0]
                    stdout = node.run_cmd(
                        'source overcloudrc.v3; aodh alarm show {}' .format(
                            metric_id))
                    if stdout is None:
                        self.__logger.info("aodh alarm list was empty")
                        return False
                    for line in stdout.splitlines()[3: -1]:
                        line = line.replace('|', "")
                        if line.split()[0] == 'timestamp':
                            timestamps1 = line.split()[1]
                        else:
                            pass
                    time.sleep(12)
                    stdout = node.run_cmd(
                        "source overcloudrc.v3; aodh alarm show {}" .format(
                            metric_id))
                    if stdout is None:
                        self.__logger.info("aodh alarm list was empty")
                        return False
                    for line in stdout.splitlines()[3:-1]:
                        line = line.replace('|', "")
                        if line.split()[0] == 'timestamp':
                            timestamps2 = line.split()[1]
                        else:
                            pass
                    if timestamps1 == timestamps2:
                        self.__logger.info(
                            "Data not updated after interval of 12 seconds")
                        return False
                    else:
                        self.__logger.info("PASS")
                        return True

    def test_plugins_with_gnocchi(
            self, compute, plugin_interval, logger,
            criteria_list=[]):

        metric_id = {}
        timestamps1 = {}
        timestamps2 = {}
        nodes = get_apex_nodes()
        if plugin_interval > 15:
            sleep_time = plugin_interval*2
        else:
            sleep_time = 30

        for node in nodes:
            if node.is_controller():
                self.__logger.info('Getting gnocchi metric list on {}' .format(
                    (node.get_dict()['name'])))
                node.put_file(constants.ENV_FILE, 'overcloudrc.v3')
                stdout = node.run_cmd(
                    "source overcloudrc.v3;"
                    + "gnocchi metric list | grep {0} | grep {1}"
                    .format(criteria_list, compute))
                if stdout is None:
                        self.__logger.info("gnocchi list was empty")
                        return False
                for line in stdout.splitlines():
                    line = line.replace('|', "")
                    metric_id = line.split()[0]
                    stdout = node.run_cmd(
                        'source overcloudrc.v3;gnocchi measures show {}'.format(
                            metric_id))
                    if stdout is None:
                        self.__logger.info("gnocchi list was empty")
                        return False
                    for line in stdout.splitlines()[3: -1]:
                        if line[0] == '+':
                            pass
                        else:
                            timestamps1 = line.replace('|', "")
                            timestamps1 = timestamps1.split()[0]
                    time.sleep(sleep_time)
                    stdout = node.run_cmd(
                        "source overcloudrc.v3;gnocchi measures show {}".format(
                            metric_id))
                    if stdout is None:
                        self.__logger.info("gnocchi measures was empty")
                        return False
                    for line in stdout.splitlines()[3:-1]:
                        if line[0] == '+':
                            pass
                        else:
                            timestamps2 = line.replace('|', "")
                            timestamps2 = timestamps2.split()[0]
                    if timestamps1 == timestamps2:
                        self.__logger.info(
                            "Plugin Interval is {}" .format(plugin_interval))
                        self.__logger.info(
                            "Data not updated after {} seconds".format(
                                sleep_time))
                        return False
                    else:
                        self.__logger.info("PASS")
                        return True
        return False

    def test_plugins_with_snmp(
            self, compute, plugin_interval, logger, plugin, snmp_mib_files=[],
            snmp_mib_strings=[], snmp_in_commands=[]):

        if plugin == 'hugepages' or 'intel_rdt' or 'mcelog':
            nodes = get_apex_nodes()
            for node in nodes:
                if compute == node.get_dict()['name']:
                    stdout = node.run_cmd(
                        'snmpwalk -v2c -m {0} -c public localhost {1}' .format(
                            snmp_mib_files, snmp_mib_strings))
                    self.__logger.info("{}" .format(stdout))
                    if stdout is None:
                        self.__logger.info("No output from snmpwalk")
                        return False
                    elif 'OID' in stdout:
                        self.__logger.info("SNMP query failed")
                        return False
                    else:
                        counter1 = stdout.split()[3]
                    time.sleep(10)
                    stdout = node.run_cmd(
                        'snmpwalk -v2c -m {0} -c public localhost {1}' .format(
                            snmp_mib_files, snmp_mib_strings))
                    self.__logger.info("{}" .format(stdout))
                    if stdout is None:
                        self.__logger.info("No output from snmpwalk")
                    elif 'OID' in stdout:
                        self.__logger.info(
                            "SNMP query failed during second check")
                        self.__logger.info("waiting for 10 sec")
                        time.sleep(10)
                    stdout = node.run_cmd(
                        'snmpwalk -v2c -m {0} -c public localhost {1}' .format(
                            snmp_mib_files, snmp_mib_strings))
                    self.__logger.info("{}" .format(stdout))
                    if stdout is None:
                        self.__logger.info("No output from snmpwalk")
                    elif 'OID' in stdout:
                        self.__logger.info("SNMP query failed again")
                        self.__logger.info("Failing this test case")
                        return False
                    else:
                        counter2 = stdout.split()[3]

                    if counter1 == counter2:
                        return False
                    else:
                        return True
        else:
            return False