summaryrefslogtreecommitdiffstats
path: root/baro_tests/tests.py
blob: 47edd77834c940ac99c25945e0e197b5bb260cf8 (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
# -*- coding: utf-8 -*-
#
# Copyright 2017 OPNFV
#
# 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.

"""Function for testing collectd plug-ins with different oup plug-ins"""

import time
import math


def test_snmp_sends_data(
        compute, interval, logger, client, mib_file=None,
        mib_strings=None, in_command=None, conf=None):
    """Check that SNMP deta are updated"""
    logger.debug('Interval: {}'.format(interval))
    if mib_file is not None:
        logger.info(
            'Getting SNMP metrics of MIB file {} and '.format(mib_file)
            + 'following MIB strings: {}...'.format(', '.join(mib_strings)))
    snmp_metrics = client.get_snmp_metrics(compute, mib_file, mib_strings)
    if mib_file is None:
        return len(snmp_metrics) > 1
    if in_command is not None and conf is not None:
        conf.execute_command(in_command, compute.get_ip())

    attempt = 1
    is_passed = False
    while (attempt <= 10) and not is_passed:
        is_passed = True
        # wait Interval time + 2 sec for db update
        sleep_time = interval + 2
        if attempt > 1:
            logger.info('Starting attempt {}'.format(attempt))
        logger.info(
            'Sleeping for {} seconds to get updated entries'.format(sleep_time)
            + ' (interval is {} sec)...'.format(interval))
        time.sleep(sleep_time)

        logger.info(
            'Getting SNMP metrics of MIB file {} and '.format(mib_file)
            + 'following MIB strings: {}...'.format(', '.join(mib_strings)))
        snmp_metrics2 = client.get_snmp_metrics(compute, mib_file, mib_strings)
        unchanged_snmp_metrics = [
            snmp_metric for snmp_metric in snmp_metrics
            if snmp_metrics[snmp_metric] == snmp_metrics2[snmp_metric]]
        if len(unchanged_snmp_metrics) > 0:
            logger.error("Following SNMP metrics didn't change: {}".format(
                ', '.join(unchanged_snmp_metrics)))
            is_passed = False
        attempt += 1
        if not is_passed:
            logger.warning('After sleep new entries were not found.')
    if not is_passed:
        logger.error('This was the last attempt.')
        return False
    logger.info('All SNMP metrics are changed.')
    return True


def test_ceilometer_node_sends_data(
        node_id, interval, logger, client, criteria_list=[],
        resource_id_substrings=['']):
    """ Test that data reported by Ceilometer are updated in the given interval.

    Keyword arguments:
    node_id -- node ID
    interval -- interval to check
    logger -- logger instance
    client -- CeilometerClient instance
    criteria_list -- list of criteria used in ceilometer calls
    resource_id_substrings -- list of substrings to search for in resource ID

    Return boolean value indicating success or failure.
    """

    def _search_meterlist_latest_entry(meterlist, node_str, substr=''):
        """Search for latest entry in meter list

        Keyword arguments:
        meterlist -- list of metrics
        node_str -- name of node, which will be found in meter list
        substr -- substring which will be found in meter list

        Return latest entry from meter list which contains given node string
        and (if defined) subsrting.
        """
        res = [
            entry for entry in meterlist if node_str in entry['resource_id']
            and substr in entry['resource_id']]
        if res:
            return res[0]
        else:
            return []

    client.auth_token()
    timestamps = {}
    node_str = 'node-{}'.format(node_id) if node_id else ''

    logger.info(
        'Searching for timestamps of latest entries{0}{1}{2}...'.format(
            '' if node_str == '' else ' for {}'.format(node_str),
            '' if len(criteria_list) == 0 else (
                ' for criteria ' + ', '.join(criteria_list)),
            '' if resource_id_substrings == [''] else
            ' and resource ID substrings "{}"'.format(
                '", "'.join(resource_id_substrings))))
    for criterion in criteria_list if len(criteria_list) > 0 else [None]:
        meter_list = client.get_gnocchi_metrics(criterion)
        for resource_id_substring in resource_id_substrings:
            last_entry = _search_meterlist_latest_entry(
                meter_list, node_str, resource_id_substring)
            if len(last_entry) == 0:
                logger.error('Entry{0}{1}{2} not found'.format(
                    '' if node_str == '' else ' for {}'.format(node_str),
                    '' if criterion is None else 'for criterion {}'.format(
                        criterion),
                    '' if resource_id_substring == '' else 'and resource '
                    + 'ID substring "{}"'.format(resource_id_substring)))
                return False
            timestamp = last_entry['timestamp']
            logger.debug('Last entry found: {0} {1}'.format(
                timestamp, last_entry['resource_id']))
            timestamps[(criterion, resource_id_substring)] = timestamp

    attempt = 1
    is_passed = False
    while (attempt <= 10) and not is_passed:
        is_passed = True
        # wait Interval time + 2 sec for db update
        sleep_time = interval + 2
        if attempt > 1:
            logger.info('Starting attempt {}'.format(attempt))
        logger.info(
            'Sleeping for {} seconds to get updated entries '.format(sleep_time)
            + '(interval is {} sec)...'.format(interval))
        time.sleep(sleep_time)

        logger.info(
            'Searching for timestamps of latest entries{}{}{}...' .format(
                '' if node_str == '' else ' for {}'.format(node_str),
                '' if len(criteria_list) == 0 else (
                    ' for criteria ' + ', ' .join(criteria_list)),
                '' if resource_id_substrings == ['']
                else ' and resource ID substrings "{}"' .format(
                    '", "'.join(resource_id_substrings))))
        for criterion in criteria_list if len(criteria_list) > 0 else [None]:
            meter_list = client.get_ceil_metrics(criterion)
            for resource_id_substring in resource_id_substrings:
                last_entry = _search_meterlist_latest_entry(
                    meter_list, node_str, resource_id_substring)
                if len(last_entry) == 0:
                    logger.error('Entry{0}{1}{2} not found'.format(
                        '' if node_str == '' else ' for {}'.format(node_str),
                        '' if criterion is None else 'for criterion {}'.format(
                            criterion),
                        '' if resource_id_substring == '' else ' and resource'
                        + 'ID substring "{}"'.format(resource_id_substring)))
                    return False
                timestamp = last_entry['timestamp']
                logger.debug('Last entry found: {} {}'.format(
                    timestamp, last_entry['resource_id']))
                if timestamp == timestamps[(criterion, resource_id_substring)]:
                    logger.warning(
                        'Last entry{0}{1}{2} has the same timestamp as '
                        + 'before the sleep'.format(
                            '' if node_str == '' else ' for {}'.format(
                                node_str),
                            '' if resource_id_substring == ''
                            else ', substring "{}"'.format(
                                resource_id_substring),
                            '' if criterion is None else
                            ' for criterion {}'.format(criterion)))
                    is_passed = False
        attempt += 1
        if not is_passed:
            logger.warning('After sleep new entries were not found.')
    if not is_passed:
        logger.error('This was the last attempt.')
        return False
    logger.info('All latest entries found.')
    return True


def test_csv_handles_plugin_data(
        compute, interval, plugin, plugin_subdirs, meter_categories,
        logger, client):
    """Check that CSV data are updated by the plugin.

    Keyword arguments:
    compute -- object compute node
    interval -- interval to check
    plugin -- plugin which will be tested
    plugin_subdirs -- list subdirectories in csv folder
    meter_categories -- list of meter categories which will be tested
    logger -- logger instance
    client -- CSVClient instance

    Return boolean value indicating success or failure.
    """
    logger.info(
        'Getting CSV metrics of plugin {} on compute node {}...' .format(
            plugin, compute.get_id()))
    logger.debug('Interval: {}'.format(interval))
    logger.debug('Plugin subdirs: {}'.format(plugin_subdirs))
    logger.debug('Plugin meter categories: {}'.format(meter_categories))
    plugin_metrics = client.get_csv_metrics(
        compute, plugin_subdirs, meter_categories)
    if len(plugin_metrics) < len(plugin_subdirs) * len(meter_categories):
        logger.error('Some plugin metrics not found')
        return False

    logger.info(
        'Checking that last two entries in metrics are corresponding'
        + 'to interval...')
    for metric in plugin_metrics:
        logger.debug('{0} {1} {2} ... '.format(metric[0], metric[1], metric[2]))
        # When there's a small interval or many metrics, there may be a slight
        # delay in writing the metrics. e.g. a gap of 1.* is okay for an interval of 1
        if math.floor(metric[3] - metric[2]) > interval + 1:
            logger.error(
                'Time of last two entries differ by '
                + '{}, but interval is {}'.format(
                    metric[3] - metric[2], interval))
            return False
        else:
            logger.debug('OK')
    logger.info('OK')

    # wait Interval time + 2 sec
    sleep_time = interval + 2
    logger.info(
        'Sleeping for {} seconds to get updated entries '.format(sleep_time)
        + '(interval is {} sec)...'.format(interval))
    time.sleep(sleep_time)

    logger.info('Getting new metrics of compute node {}...'.format(
        compute.get_name()))
    plugin_metrics2 = client.get_csv_metrics(
        compute, plugin_subdirs, meter_categories)
    if len(plugin_metrics2) < len(plugin_subdirs) * len(meter_categories):
        logger.error('Some plugin metrics not found')
        return False

    logger.info('Comparing old and new metrics...')
    logger.debug(plugin_metrics)
    logger.debug(plugin_metrics2)
    if len(plugin_metrics) != len(plugin_metrics2):
        logger.error('Plugin metrics length before and after sleep differ')
        return False
    for i in range(len(plugin_metrics2)):
        logger.debug('{0} {1} {2}  - {3} {4} {5} ... '.format(
            plugin_metrics[i][0], plugin_metrics[i][1],
            plugin_metrics[i][2], plugin_metrics2[i][0],
            plugin_metrics2[i][1], plugin_metrics2[i][2]))
        if plugin_metrics[i] == plugin_metrics2[i]:
            logger.error('FAIL')
            return False
        else:
            logger.debug('OK')
    logger.info('OK')

    return True


def test_dma_server_set_collectd(compute, file, logger, client):
    with open(file, mode='w') as f:
        f.write('# dummy conf\n')
    res = client.set(file)
    if res:
        logger.info('set collectd PASS')
    else:
        logger.error('set collectd FAIL')

    return res