aboutsummaryrefslogtreecommitdiffstats
path: root/testcases/OpenStack/vPing/vPing_ssh.py
blob: 60e7baaf8428e7afb9982602ff315a2403c70dfd (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
#!/usr/bin/python
#
# Copyright (c) 2015 All rights reserved
# This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 0.1: This script boots the VM1 and allocates IP address from Nova
# Later, the VM2 boots then execute cloud-init to ping VM1.
# After successful ping, both the VMs are deleted.
# 0.2: measure test duration and publish results under json format
# 0.3: adapt push 2 DB after Test API refacroting
#
import argparse
import datetime
import os
import pprint
import re
import sys
import time
import functest.utils.functest_logger as ft_logger
import functest.utils.functest_utils as functest_utils
import functest.utils.openstack_utils as os_utils
import paramiko
from scp import SCPClient
import yaml


pp = pprint.PrettyPrinter(indent=4)

parser = argparse.ArgumentParser()
image_exists = False

parser.add_argument("-d", "--debug", help="Debug mode", action="store_true")
parser.add_argument("-r", "--report",
                    help="Create json result file",
                    action="store_true")

args = parser.parse_args()

""" logging configuration """
logger = ft_logger.Logger("vping_ssh").getLogger()

# paramiko.util.log_to_file("/var/log/paramiko.log")

REPO_PATH = os.environ['repos_dir'] + '/functest/'
if not os.path.exists(REPO_PATH):
    logger.error("Functest repository directory not found '%s'" % REPO_PATH)
    exit(-1)

with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
    functest_yaml = yaml.safe_load(f)
f.close()

HOME = os.environ['HOME'] + "/"
# vPing parameters
VM_BOOT_TIMEOUT = 180
VM_DELETE_TIMEOUT = 100
PING_TIMEOUT = functest_yaml.get("vping").get("ping_timeout")
TEST_DB = functest_yaml.get("results").get("test_db_url")
NAME_VM_1 = functest_yaml.get("vping").get("vm_name_1")
NAME_VM_2 = functest_yaml.get("vping").get("vm_name_2")
GLANCE_IMAGE_NAME = functest_yaml.get("vping").get("image_name")
GLANCE_IMAGE_FILENAME = functest_yaml.get("general").get("openstack").get(
    "image_file_name")
GLANCE_IMAGE_FORMAT = functest_yaml.get("general").get("openstack").get(
    "image_disk_format")
GLANCE_IMAGE_PATH = functest_yaml.get("general").get("directories").get(
    "dir_functest_data") + "/" + GLANCE_IMAGE_FILENAME

FLAVOR = functest_yaml.get("vping").get("vm_flavor")

# NEUTRON Private Network parameters

PRIVATE_NET_NAME = functest_yaml.get("vping").get(
    "vping_private_net_name")
PRIVATE_SUBNET_NAME = functest_yaml.get("vping").get(
    "vping_private_subnet_name")
PRIVATE_SUBNET_CIDR = functest_yaml.get("vping").get(
    "vping_private_subnet_cidr")
ROUTER_NAME = functest_yaml.get("vping").get(
    "vping_router_name")

SECGROUP_NAME = functest_yaml.get("vping").get("vping_sg_name")
SECGROUP_DESCR = functest_yaml.get("vping").get("vping_sg_descr")


def pMsg(value):
    """pretty printing"""
    pp.pprint(value)


def waitVmActive(nova, vm):

    # sleep and wait for VM status change
    sleep_time = 3
    count = VM_BOOT_TIMEOUT / sleep_time
    while True:
        status = os_utils.get_instance_status(nova, vm)
        logger.debug("Status: %s" % status)
        if status == "ACTIVE":
            return True
        if status == "ERROR" or status == "error":
            return False
        if count == 0:
            logger.debug("Booting a VM timed out...")
            return False
        count -= 1
        time.sleep(sleep_time)
    return False


def waitVmDeleted(nova, vm):

    # sleep and wait for VM status change
    sleep_time = 3
    count = VM_DELETE_TIMEOUT / sleep_time
    while True:
        status = os_utils.get_instance_status(nova, vm)
        if not status:
            return True
        elif count == 0:
            logger.debug("Timeout")
            return False
        else:
            # return False
            count -= 1
        time.sleep(sleep_time)
    return False


def create_security_group(neutron_client):
    sg_id = os_utils.get_security_group_id(neutron_client,
                                           SECGROUP_NAME)
    if sg_id != '':
        logger.info("Using existing security group '%s'..." % SECGROUP_NAME)
    else:
        logger.info("Creating security group  '%s'..." % SECGROUP_NAME)
        SECGROUP = os_utils.create_security_group(neutron_client,
                                                  SECGROUP_NAME,
                                                  SECGROUP_DESCR)
        if not SECGROUP:
            logger.error("Failed to create the security group...")
            return False

        sg_id = SECGROUP['id']

        logger.debug("Security group '%s' with ID=%s created successfully."
                     % (SECGROUP['name'], sg_id))

        logger.debug("Adding ICMP rules in security group '%s'..."
                     % SECGROUP_NAME)
        if not os_utils.create_secgroup_rule(neutron_client, sg_id,
                                             'ingress', 'icmp'):
            logger.error("Failed to create the security group rule...")
            return False

        logger.debug("Adding SSH rules in security group '%s'..."
                     % SECGROUP_NAME)
        if not os_utils.create_secgroup_rule(
                neutron_client, sg_id, 'ingress', 'tcp', '22', '22'):
            logger.error("Failed to create the security group rule...")
            return False

        if not os_utils.create_secgroup_rule(
                neutron_client, sg_id, 'egress', 'tcp', '22', '22'):
            logger.error("Failed to create the security group rule...")
            return False
    return sg_id


def main():
    nova_client = os_utils.get_nova_client()
    neutron_client = os_utils.get_neutron_client()
    glance_client = os_utils.get_glance_client()

    EXIT_CODE = -1

    image_id = None
    flavor = None

    # Check if the given image exists
    image_id = os_utils.get_image_id(glance_client, GLANCE_IMAGE_NAME)
    if image_id != '':
        logger.info("Using existing image '%s'..." % GLANCE_IMAGE_NAME)
        global image_exists
        image_exists = True
    else:
        logger.info("Creating image '%s' from '%s'..." % (GLANCE_IMAGE_NAME,
                                                          GLANCE_IMAGE_PATH))
        image_id = os_utils.create_glance_image(glance_client,
                                                GLANCE_IMAGE_NAME,
                                                GLANCE_IMAGE_PATH)
        if not image_id:
            logger.error("Failed to create a Glance image...")
            exit(EXIT_CODE)
        logger.debug("Image '%s' with ID=%s created successfully."
                     % (GLANCE_IMAGE_NAME, image_id))

    network_dic = os_utils.create_network_full(logger,
                                               neutron_client,
                                               PRIVATE_NET_NAME,
                                               PRIVATE_SUBNET_NAME,
                                               ROUTER_NAME,
                                               PRIVATE_SUBNET_CIDR)
    if not network_dic:
        logger.error(
            "There has been a problem when creating the neutron network")
        exit(EXIT_CODE)

    network_id = network_dic["net_id"]

    sg_id = create_security_group(neutron_client)

    # Check if the given flavor exists
    try:
        flavor = nova_client.flavors.find(name=FLAVOR)
        logger.info("Using existing Flavor '%s'..." % FLAVOR)
    except:
        logger.error("Flavor '%s' not found." % FLAVOR)
        logger.info("Available flavors are: ")
        pMsg(nova_client.flavor.list())
        exit(EXIT_CODE)

    # Deleting instances if they exist
    servers = nova_client.servers.list()
    for server in servers:
        if server.name == NAME_VM_1 or server.name == NAME_VM_2:
            logger.info("Instance %s found. Deleting..." % server.name)
            server.delete()

    # boot VM 1
    start_time = time.time()
    stop_time = start_time
    logger.info("vPing Start Time:'%s'" % (
        datetime.datetime.fromtimestamp(start_time).strftime(
            '%Y-%m-%d %H:%M:%S')))

    logger.info("Creating instance '%s'..." % NAME_VM_1)
    logger.debug(
        "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
        "network=%s \n" % (NAME_VM_1, flavor, image_id, network_id))
    vm1 = nova_client.servers.create(
        name=NAME_VM_1,
        flavor=flavor,
        image=image_id,
        nics=[{"net-id": network_id}]
    )

    # wait until VM status is active
    if not waitVmActive(nova_client, vm1):
        logger.error("Instance '%s' cannot be booted. Status is '%s'" % (
            NAME_VM_1, os_utils.get_instance_status(nova_client, vm1)))
        exit(EXIT_CODE)
    else:
        logger.info("Instance '%s' is ACTIVE." % NAME_VM_1)

    # Retrieve IP of first VM
    test_ip = vm1.networks.get(PRIVATE_NET_NAME)[0]
    logger.debug("Instance '%s' got private ip '%s'." % (NAME_VM_1, test_ip))

    logger.info("Adding '%s' to security group '%s'..."
                % (NAME_VM_1, SECGROUP_NAME))
    os_utils.add_secgroup_to_instance(nova_client, vm1.id, sg_id)

    # boot VM 2
    logger.info("Creating instance '%s'..." % NAME_VM_2)
    logger.debug(
        "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
        "network=%s \n" % (NAME_VM_2, flavor, image_id, network_id))
    vm2 = nova_client.servers.create(
        name=NAME_VM_2,
        flavor=flavor,
        image=image_id,
        nics=[{"net-id": network_id}]
    )

    if not waitVmActive(nova_client, vm2):
        logger.error("Instance '%s' cannot be booted. Status is '%s'" % (
            NAME_VM_2, os_utils.get_instance_status(nova_client, vm2)))
        exit(EXIT_CODE)
    else:
        logger.info("Instance '%s' is ACTIVE." % NAME_VM_2)

    logger.info("Adding '%s' to security group '%s'..." % (NAME_VM_2,
                                                           SECGROUP_NAME))
    os_utils.add_secgroup_to_instance(nova_client, vm2.id, sg_id)

    logger.info("Creating floating IP for VM '%s'..." % NAME_VM_2)
    floatip_dic = os_utils.create_floating_ip(neutron_client)
    floatip = floatip_dic['fip_addr']
    # floatip_id = floatip_dic['fip_id']

    if floatip is None:
        logger.error("Cannot create floating IP.")
        exit(EXIT_CODE)
    logger.info("Floating IP created: '%s'" % floatip)

    logger.info("Associating floating ip: '%s' to VM '%s' "
                % (floatip, NAME_VM_2))
    if not os_utils.add_floating_ip(nova_client, vm2.id, floatip):
        logger.error("Cannot associate floating IP to VM.")
        exit(EXIT_CODE)

    logger.info("Trying to establish SSH connection to %s..." % floatip)
    username = 'cirros'
    password = 'cubswin:)'
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    timeout = 50
    nolease = False
    got_ip = False
    discover_count = 0
    cidr_first_octet = PRIVATE_SUBNET_CIDR.split('.')[0]
    while timeout > 0:
        try:
            ssh.connect(floatip, username=username,
                        password=password, timeout=2)
            logger.debug("SSH connection established to %s." % floatip)
            break
        except:
            logger.debug("Waiting for %s..." % floatip)
            time.sleep(6)
            timeout -= 1

        console_log = vm2.get_console_output()

        # print each "Sending discover" captured on the console log
        if (len(re.findall("Sending discover", console_log)) >
                discover_count and not got_ip):
            discover_count += 1
            logger.debug("Console-log '%s': Sending discover..."
                         % NAME_VM_2)

        # check if eth0 got an ip,the line looks like this:
        # "inet addr:192.168."....
        # if the dhcp agent fails to assing ip, this line will not appear
        if "inet addr:" + cidr_first_octet in console_log and not got_ip:
            got_ip = True
            logger.debug("The instance '%s' succeeded to get the IP "
                         "from the dhcp agent." % NAME_VM_2)

        # if dhcp doesnt work,it shows "No lease, failing".The test will fail
        if "No lease, failing" in console_log and not nolease and not got_ip:
            nolease = True
            logger.debug("Console-log '%s': No lease, failing..."
                         % NAME_VM_2)
            logger.info("The instance failed to get an IP from the "
                        "DHCP agent. The test will probably timeout...")

    if timeout == 0:  # 300 sec timeout (5 min)
        logger.error("Cannot establish connection to IP '%s'. Aborting"
                     % floatip)
        exit(EXIT_CODE)

    scp = SCPClient(ssh.get_transport())

    ping_script = REPO_PATH + "testcases/OpenStack/vPing/ping.sh"
    try:
        scp.put(ping_script, "~/")
    except:
        logger.error("Cannot SCP the file '%s' to VM '%s'"
                     % (ping_script, floatip))
        exit(EXIT_CODE)

    cmd = 'chmod 755 ~/ping.sh'
    (stdin, stdout, stderr) = ssh.exec_command(cmd)
    for line in stdout.readlines():
        print line

    logger.info("Waiting for ping...")
    sec = 0
    stop_time = time.time()
    duration = 0

    cmd = '~/ping.sh ' + test_ip
    flag = False
    status = "FAIL"

    while True:
        time.sleep(1)
        (stdin, stdout, stderr) = ssh.exec_command(cmd)
        output = stdout.readlines()

        for line in output:
            if "vPing OK" in line:
                logger.info("vPing detected!")
                status = "PASS"
                # we consider start time at VM1 booting
                stop_time = time.time()
                duration = round(stop_time - start_time, 1)
                logger.info("vPing duration:'%s' s." % duration)
                EXIT_CODE = 0
                flag = True
                break

            elif sec == PING_TIMEOUT:
                logger.info("Timeout reached.")
                flag = True
                break
        if flag:
            break
        logger.debug("Pinging %s. Waiting for response..." % test_ip)
        sec += 1

    if status == "PASS":
        logger.info("vPing OK")
    else:
        duration = 0
        logger.error("vPing FAILED")

    if args.report:
        try:
            logger.debug("Pushing vPing SSH results into DB...")
            functest_utils.push_results_to_db("functest",
                                              "vping_ssh",
                                              logger,
                                              start_time,
                                              stop_time,
                                              status,
                                              details={'timestart': start_time,
                                                       'duration': duration,
                                                       'status': status})
        except:
            logger.error("Error pushing results into Database '%s'"
                         % sys.exc_info()[0])

    exit(EXIT_CODE)

if __name__ == '__main__':
    main()