provisioner.py 18.6 KB
Newer Older
1
2
3
from __future__ import (absolute_import, division,
                        print_function, unicode_literals)
import logging
4
import re
5

6
7
8
9
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

from kamaki.clients import astakos, cyclades
10
11
12
from kamaki.clients import ClientError
from kamaki.clients.utils import https
from kamaki.cli.config import Config as KamakiConfig
13
from cluster_error_constants import *
14

15
# TODO: remove this and actually use ssl cert files
16
17
18
19
https.patch_ignore_ssl()

import argparse

20
storage_templates = ['drdb', 'ext_vlmc']
21
22
23
24


class Provisioner:
    """
25
        provisions virtual machines on ~okeanos
26
27
    """

28
    def __init__(self, cloud_name):
29
30

        # Load .kamakirc configuration
31
        logger.info("Retrieving .kamakirc configuration")
32
        self.config = KamakiConfig()
33
34
35
36
37
        cloud_section = self.config._sections['cloud'].get(cloud_name)
        if not cloud_section:
            message = "Cloud '%s' was not found in you .kamakirc configuration file. " \
                      "Currently you have availablie in your configuration these clouds: %s"
            raise KeyError(message % (cloud_name, self.config._sections['cloud'].keys()))
38
39
40
41

        # Get the authentication url and token
        auth_url, auth_token = cloud_section['url'], cloud_section['token']

42
        logger.info("Initiating Astakos Client")
43
44
        self.astakos = astakos.AstakosClient(auth_url, auth_token)

45
46
        logger.info("Retrieving cyclades endpoint url")
        compute_url = self.astakos.get_endpoint_url(
47
            cyclades.CycladesComputeClient.service_type)
48
49
        logger.info("Initiating Cyclades client")
        self.cyclades = cyclades.CycladesComputeClient(compute_url, auth_token)
50

51
52
53
54
55
56
57
58
59
        # Create the network client
        networkURL = self.astakos.get_endpoint_url(
            cyclades.CycladesNetworkClient.service_type)
        self.network_client = cyclades.CycladesNetworkClient(networkURL, auth_token)

        # Constants
        self.Bytes_to_GB = 1024*1024*1024
        self.Bytes_to_MB = 1024*1024

60
61
62
63
        self.master = None
        self.ips = None
        self.slaves = None
        self.vpn = None
efikalti's avatar
efikalti committed
64
        self.subnet = None
65

66
    def find_flavor(self, **kwargs):
67
68
        """

69
        :param kwargs: should contains the keys that specify the specs
70
        :return: first flavor objects that matches the specs criteria
71
        """
72
73
74
75
76

        # Set all the default parameters
        kwargs.setdefault("vcpus", 1)
        kwargs.setdefault("ram", 1024)
        kwargs.setdefault("disk", 40)
77
        logger.info("Retrieving flavor")
78
        for flavor in self.cyclades.list_flavors(detail=True):
79
80
            if all([kwargs[key] == flavor[key] \
                    for key in set(flavor.keys()).intersection(kwargs.keys())]):
81
82
83
                return flavor
        return None

84
    def find_image(self, **kwargs):
85
86
87
88
89
        """
        :param image_name: Name of the image to filter by
        :param kwargs:
        :return: first image object that matches the name criteria
        """
90
        image_name = kwargs['image_name']
91
92

        logger.info("Retrieving image")
93
        for image in self.cyclades.list_images(detail=True):
94
            if image_name in image['name']:
95
96
97
98
                return image
        return None

    def find_project_id(self, **kwargs):
99
100
101
102
        """
        :param kwargs: name, state, owner and mode to filter project by
        :return: first project_id that matches the project name
        """
103
        filter = {
104
105
106
107
            'name': kwargs.get("project_name"),
            'state': kwargs.get("project_state"),
            'owner': kwargs.get("project_owner"),
            'mode': kwargs.get("project_mode"),
108
        }
109
        logger.info("Retrieving project")
110
111
        return self.astakos.get_projects(**filter)[0]

112
    def create_vm(self, vm_name=None, ip=None, **kwargs):
113
114
115
116
117
        """
        :param vm_name: Name of the virtual machine to create
        :param kwargs: passed to the functions called for detail options
        :return:
        """
118
119
120
        flavor_id = self.find_flavor(**kwargs)['id']
        image_id = self.find_image(**kwargs)['id']
        project_id = self.find_project_id(**kwargs)['id']
121
122
123
124
125
126
        networks = [{'uuid': kwargs['net_id']}]
        if ip != None:
            ip_obj = dict()
            ip_obj['uuid'] = ip['floating_network_id']
            ip_obj['fixed_ip'] = ip['floating_ip_address']
            networks.append(ip_obj)
127
        try:
128
            okeanos_response = self.cyclades.create_server(name=vm_name, flavor_id=flavor_id,
129
130
                                                           image_id=image_id,
                                                           project_id=project_id,
131
                                                           networks=networks, personality=[])
132
        except ClientError as ex:
133
134
            raise ex
        return okeanos_response
135

136
137
138
139
140
141
142
143
144
    def create_lambda_cluster(self, vm_name, **kwargs):
        """
        :param vm_name: hostname of the master
        :param kwargs: contains specifications of the vms.
        """
        quotas = self.get_quotas()
        vcpus = kwargs['slaves'] * kwargs['vcpus_slave'] + kwargs['vcpus_master']
        ram = kwargs['slaves'] * kwargs['ram_slave'] + kwargs['ram_master']
        disk = kwargs['slaves'] * kwargs['disk_slave'] + kwargs['disk_master']
145
        project_id = self.find_project_id(**kwargs)['id']
146
147
148
149
150
151
152
153
154
        response = self.check_all_resources(quotas, cluster_size=kwargs['cluster_size'],
                                              vcpus=vcpus,
                                              ram=ram,
                                              disk=disk,
                                              ip_request=kwargs['ip_request'],
                                              network_request=kwargs['network_request'],
                                              project_name=kwargs['project_name'])
        if response:
            # Create private network for cluster
155
156
            self.vpn = self.create_vpn('lambda-vpn', project_id=project_id)
            vpn_id = self.vpn['id']
157
158
159
160
            self.create_private_subnet(vpn_id)

            #reserve ip
            ip_request=kwargs['ip_request']
161
            self.ips = list()
efikalti's avatar
efikalti committed
162
            for i in range(ip_request):
163
                ip = self.reserve_ip(project_id=project_id)
164
                self.ips.append(ip)
165

166
167
            ip = None
            # Create master
168
169
170
            if len(self.ips) > 0:
                ip = self.ips[0]
            self.master = self.create_vm(vm_name=vm_name, ip=ip, net_id=vpn_id, vcpus=kwargs['vcpus_master'], ram=kwargs['ram_master'], disk=kwargs['disk_master'], **kwargs)
171
172

            # Create slaves
173
            self.slaves = list()
174
            for i in range(kwargs['slaves']):
175
                ip = None
efikalti's avatar
efikalti committed
176
177
                if len(self.ips) > i+1:
                    ip = self.ips[i+1]
178
                slave_name = 'lambda-node' + str(i+1)
179
                slave = self.create_vm(vm_name=slave_name, ip=ip, net_id=vpn_id, vcpus=kwargs['vcpus_slave'], ram=kwargs['ram_slave'], disk=kwargs['disk_slave'], **kwargs)
180
                self.slaves.append(slave)
181

182
183
            # Create cluster dictionary object
            inventory = dict()
184
185
            inventory["master"] = self.master
            inventory["slaves"] = self.slaves
186
187
            return inventory

188
189
190
    def get_cluster_details(self):
        details = dict()

191
        nodes = dict()
192
193
194
        master = dict()
        master['id'] = self.master['id']
        master['name'] = self.master['name']
195
        nodes['master'] = master
196

197
        slaves = list()
198
199
200
201
202
        for slave in self.slaves:
            slave_obj = dict()
            slave_obj['id'] = slave['id']
            slave_obj['name'] = slave['name']
            name = slave_obj['name']
203
204
            slaves.append(slave_obj)
        nodes['slaves'] = slaves
205

206
        details['nodes'] = nodes
207
208
209
210
211
212
        vpn = dict()
        vpn['id'] = self.vpn['id']
        vpn['type'] = self.vpn['type']
        details['vpn'] = vpn

        details['ips'] = self.ips
efikalti's avatar
efikalti committed
213
214
215
216
217
218
        ips_list = list()
        for ip in self.ips:
            ip_obj = dict()
            ip_obj['floating_network_id'] = ip['floating_network_id']
            ip_obj['floating_ip_address'] = ip['floating_ip_address']
            ip_obj['id'] = ip['id']
efikalti's avatar
efikalti committed
219
            ips_list.append(ip_obj)
efikalti's avatar
efikalti committed
220
        details['ips'] = ips_list
efikalti's avatar
efikalti committed
221
222
223
224
225
226

        subnet = dict()
        subnet['id'] = self.subnet['id']
        subnet['cidr'] = self.subnet['cidr']
        subnet['gateway_ip'] = self.subnet['gateway_ip']
        details['subnet'] = subnet
227
228
        return details

229

230
    def create_vpn(self, network_name, project_id):
231
232
233
        """
        Creates a virtual private network
        :param network_name: name of the network
234
        :return: the virtual network object
235
236
237
238
239
        """
        try:
            # Create vpn with custom type and the name given as argument
            vpn = self.network_client.create_network(
                        type=self.network_client.network_types[1],
240
241
                        name=network_name,
                        project_id=project_id)
242
            return vpn
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
        except ClientError as ex:
            raise ex
        return okeanos_response

    def destroy_vpn(self, id):
        """
        Destroy a virtual private network
        :param id: id of the network we want to destroy
        :return: True if successfull
        """
        try:
            self.network_client.delete_network(id)
            return True
        except ClientError as ex:
            raise ex
        return okeanos_response

260
    def reserve_ip(self,project_id):
261
262
263
264
265
        """
        Reserve ip
        :return: the ip object if successfull
        """
        try:
266
            ip = self.network_client.create_floatingip(project_id=project_id)
267
268
269
270
271
            return ip
        except ClientError as ex:
            raise ex
        return okeanos_response

272
    def create_private_subnet(self, net_id, cidr='192.168.0.0/24', gateway_ip='192.168.0.1'):
273
274
275
276
277
278
279
280
281
        """
        Creates a private subnets and connects it with this network
        :param net_id: id of the network
        :return: the id of the subnet if successfull
        """
        try:
            subnet = self.network_client.create_subnet(net_id, cidr,
                                                       gateway_ip=gateway_ip,
                                                       enable_dhcp=True)
efikalti's avatar
efikalti committed
282
            self.subnet = subnet
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
            return subnet['id']
        except ClientError as ex:
            raise ex
        return okeanos_response

    def connect_vm(self, vm_id, net_id):
        """
        Connects the vm with this id to the network with the net_id
        :param vm_id: id of the vm
        :param net_id: id of the network
        :return: returns True if successfull
        """
        try:
            port = self.network_client.create_port(network_id=net_id,
                                                   device_id=vm_id)
            return True
        except ClientError as ex:
            raise ex
        return okeanos_response

    def attach_public_ip(self, ip, vm_id):
        """
        Attach the public ip with this id to the vm
        :param fnet_id: id of the floating network of the ip
        :param vm_id: id of the vm
        :return: returns True if successfull
        """
        try:
            port = self.network_client.create_port(network_id=ip['floating_network_id'],
                                                   device_id=vm_id,
                                                   fixed_ips=[dict(ip_address=ip['floating_ip_address']), ])
            return True
        except ClientError as ex:
            raise ex
        return okeanos_response

319
320
321
322
323
324
325
    def get_quotas(self, **kwargs):
        """
        Get the user quotas for the defined project.
        :return: user quotas object
        """
        return self.astakos.get_quotas()

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
    def get_server_info(self, server_id):
        """
        """
        return self.cyclades.get_server_details(server_id=server_id)

    def get_server_public_ip(self, server_id):
        """
        :param server_id: id of the server
        :returns: the public ip of the server if it has one,else None
        """
        addresses =  self.get_server_info(server_id=server_id)['addresses']
        for key in list(addresses.keys()):
            ip = addresses[key][0]['addr']
            if '192.168.0' not in ip and not re.search('[a-zA-Z]', ip):
                return ip
        return None

    def get_server_private_ip(self, server_id):
        """
        :param server_id: id of the server
        :returns: the private ip of the server if it has one,else None
        """
        addresses =  self.get_server_info(server_id=server_id)['addresses']
        for key in list(addresses.keys()):
            ip = addresses[key][0]['addr']
            if '192.168.0' in ip:
                return ip
        return None

355
356
357
358
359
360
361
362
363
364
    def check_all_resources(self, quotas, **kwargs):
        """
        Checks user's quota for every requested resource.
        Returns True if everything available.
        :param **kwargs: arguments
        """
        project_id = self.find_project_id(**kwargs)['id']
        # quotas = self.get_quotas()

        # Check for VMs
efikalti's avatar
efikalti committed
365
366
367
        pending_vm = quotas[project_id]['cyclades.vm']['project_pending']
        limit_vm = quotas[project_id]['cyclades.vm']['project_limit']
        usage_vm = quotas[project_id]['cyclades.vm']['project_usage']
368
369
370
371
372
373
        available_vm = limit_vm - usage_vm - pending_vm
        if available_vm < kwargs['cluster_size']:
            msg = 'Cyclades VMs out of limit'
            raise ClientError(msg, error_quotas_cluster_size)
            return False
        # Check for CPUs
efikalti's avatar
efikalti committed
374
375
376
        pending_cpu = quotas[project_id]['cyclades.cpu']['project_pending']
        limit_cpu = quotas[project_id]['cyclades.cpu']['project_limit']
        usage_cpu = quotas[project_id]['cyclades.cpu']['project_usage']
377
378
379
380
381
382
        available_cpu = limit_cpu - usage_cpu - pending_cpu
        if available_cpu < kwargs['vcpus']:
            msg = 'Cyclades cpu out of limit'
            raise ClientError(msg, error_quotas_cpu)
            return False
        # Check for RAM
efikalti's avatar
efikalti committed
383
384
385
        pending_ram = quotas[project_id]['cyclades.ram']['project_pending']
        limit_ram = quotas[project_id]['cyclades.ram']['project_limit']
        usage_ram = quotas[project_id]['cyclades.ram']['project_usage']
386
387
388
389
390
391
        available_ram = (limit_ram - usage_ram - pending_ram) / self.Bytes_to_MB
        if available_ram < kwargs['ram']:
            msg = 'Cyclades ram out of limit'
            raise ClientError(msg, error_quotas_ram)
            return False
        # Check for Disk space
efikalti's avatar
efikalti committed
392
393
394
        pending_cd = quotas[project_id]['cyclades.ram']['project_pending']
        limit_cd = quotas[project_id]['cyclades.disk']['project_limit']
        usage_cd = quotas[project_id]['cyclades.disk']['project_usage']
395
396
397
398
399
400
401
        available_cyclades_disk_GB = (limit_cd - usage_cd - pending_cd) / self.Bytes_to_GB
        if available_cyclades_disk_GB < kwargs['disk']:
            msg = 'Cyclades disk out of limit'
            raise ClientError(msg, error_quotas_cyclades_disk)
            return False
        # Check for public IPs
        list_float_ips = self.network_client.list_floatingips()
efikalti's avatar
efikalti committed
402
403
404
        pending_ips = quotas[project_id]['cyclades.floating_ip']['project_pending']
        limit_ips = quotas[project_id]['cyclades.floating_ip']['project_limit']
        usage_ips = quotas[project_id]['cyclades.floating_ip']['project_usage']
405
406
407
408
409
410
        available_ips = limit_ips - usage_ips - pending_ips
        for d in list_float_ips:
            if d['instance_id'] is None and d['port_id'] is None:
                available_ips += 1
        if available_ips < kwargs['ip_request']:
            msg = 'Public IPs out of limit'
efikalti's avatar
efikalti committed
411
            raise ClientError(msg, error_get_ip)
412
413
414
415
416
417
418
419
            return False
        # Check for networks
        pending_net = quotas[project_id]['cyclades.network.private']['project_pending']
        limit_net = quotas[project_id]['cyclades.network.private']['project_limit']
        usage_net = quotas[project_id]['cyclades.network.private']['project_usage']
        available_networks = limit_net - usage_net - pending_net
        if available_networks < kwargs['network_request']:
            msg = 'Private Network out of limit'
efikalti's avatar
efikalti committed
420
            raise ClientError(msg, error_get_network_quota)
421
422
423
            return False
        return True

424
425
426

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Okeanos VM provisioning")
427
    parser.add_argument('--cloud', type=str, dest="cloud", default="~okeanos")
428
429
430
    parser.add_argument('--project-name', type=str, dest="project_name",
                        default="lambda.grnet.gr")
    parser.add_argument('--name', type=str, dest='name', default="to mikro debian sto livadi")
431

432
433
434
435
436
437
438
439

    parser.add_argument('--slaves', type=int, dest='slaves', default=1)
    parser.add_argument('--vcpus_master', type=int, dest='vcpus_master', default=4)
    parser.add_argument('--vcpus_slave', type=int, dest='vcpus_slave', default=4)
    parser.add_argument('--ram_master', type=int, dest='ram_master', default=4096)  # in MB
    parser.add_argument('--ram_slave', type=int, dest='ram_slave', default=4096)  # in MB
    parser.add_argument('--disk_master', type=int, dest='disk_master', default=40)  # in GB
    parser.add_argument('--disk_slave', type=int, dest='disk_slave', default=40)  # in GB
efikalti's avatar
efikalti committed
440
    parser.add_argument('--ip_request', type=int, dest='ip_request', default=1)
441
442
443
444
    parser.add_argument('--network_request', type=int, dest='network_request', default=1)
    parser.add_argument('--image_name', type=str, dest='image_name', default="debian")
    parser.add_argument('--cluster_size', type=int, dest='cluster_size', default=2)

445
    args = parser.parse_args()
446
447

    provisioner = Provisioner(cloud_name=args.cloud)
448
    """
449
450
451
    print(provisioner.create_vm(vm_name=args.name, project_name=args.project_name,
                             image_name="debian"))
    """
452

453

454
    response = provisioner.create_lambda_cluster(vm_name="lambda-master" , slaves=args.slaves,
455
456
457
458
459
460
461
462
463
464
465
                                          image_name=args.image_name,
                                          cluster_size=args.cluster_size,
                                          vcpus_master=args.vcpus_master,
                                          vcpus_slave=args.vcpus_slave,
                                          ram_master=args.ram_master,
                                          ram_slave=args.ram_slave,
                                          disk_master=args.disk_master,
                                          disk_slave=args.disk_slave,
                                          ip_request=args.ip_request,
                                          network_request=args.network_request,
                                          project_name=args.project_name)
466
467
    # print(response)
    print(provisioner.get_cluster_details())