root / snf-cyclades-app / synnefo / logic / backend.py @ d7841399
History | View | Annotate | Download (23.9 kB)
1 | adee02b8 | Giorgos Verigakis | # Copyright 2011 GRNET S.A. All rights reserved.
|
---|---|---|---|
2 | 37ca953f | Christodoulos Psaltis | #
|
3 | adee02b8 | Giorgos Verigakis | # Redistribution and use in source and binary forms, with or
|
4 | adee02b8 | Giorgos Verigakis | # without modification, are permitted provided that the following
|
5 | adee02b8 | Giorgos Verigakis | # conditions are met:
|
6 | 37ca953f | Christodoulos Psaltis | #
|
7 | adee02b8 | Giorgos Verigakis | # 1. Redistributions of source code must retain the above
|
8 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
|
9 | adee02b8 | Giorgos Verigakis | # disclaimer.
|
10 | 37ca953f | Christodoulos Psaltis | #
|
11 | adee02b8 | Giorgos Verigakis | # 2. Redistributions in binary form must reproduce the above
|
12 | adee02b8 | Giorgos Verigakis | # copyright notice, this list of conditions and the following
|
13 | adee02b8 | Giorgos Verigakis | # disclaimer in the documentation and/or other materials
|
14 | adee02b8 | Giorgos Verigakis | # provided with the distribution.
|
15 | 37ca953f | Christodoulos Psaltis | #
|
16 | adee02b8 | Giorgos Verigakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 | adee02b8 | Giorgos Verigakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 | adee02b8 | Giorgos Verigakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 | adee02b8 | Giorgos Verigakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 | adee02b8 | Giorgos Verigakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 | adee02b8 | Giorgos Verigakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 | adee02b8 | Giorgos Verigakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 | adee02b8 | Giorgos Verigakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 | adee02b8 | Giorgos Verigakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 | adee02b8 | Giorgos Verigakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 | adee02b8 | Giorgos Verigakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 | adee02b8 | Giorgos Verigakis | # POSSIBILITY OF SUCH DAMAGE.
|
28 | 37ca953f | Christodoulos Psaltis | #
|
29 | adee02b8 | Giorgos Verigakis | # The views and conclusions contained in the software and
|
30 | adee02b8 | Giorgos Verigakis | # documentation are those of the authors and should not be
|
31 | adee02b8 | Giorgos Verigakis | # interpreted as representing official policies, either expressed
|
32 | adee02b8 | Giorgos Verigakis | # or implied, of GRNET S.A.
|
33 | 02feca11 | Vassilios Karakoidas | |
34 | 2b1db26f | Giorgos Verigakis | import json |
35 | 2b1db26f | Giorgos Verigakis | |
36 | 529178b1 | Giorgos Verigakis | from django.conf import settings |
37 | 207b70d5 | Giorgos Verigakis | from django.db import transaction |
38 | 1a894bfe | Christos Stavrakakis | from datetime import datetime |
39 | 207b70d5 | Giorgos Verigakis | |
40 | 22ee6892 | Christos Stavrakakis | from synnefo.db.models import (Backend, VirtualMachine, Network, |
41 | 3524241a | Christos Stavrakakis | BackendNetwork, BACKEND_STATUSES, |
42 | b16db49b | Kostas Papadimitriou | pooled_rapi_client, VirtualMachineDiagnostic) |
43 | 03992c72 | Christos Stavrakakis | from synnefo.logic import utils |
44 | 529178b1 | Giorgos Verigakis | |
45 | 3524241a | Christos Stavrakakis | from logging import getLogger |
46 | 3524241a | Christos Stavrakakis | log = getLogger(__name__) |
47 | 9e98ba3c | Giorgos Verigakis | |
48 | 529178b1 | Giorgos Verigakis | |
49 | efff6193 | Giorgos Verigakis | _firewall_tags = { |
50 | efff6193 | Giorgos Verigakis | 'ENABLED': settings.GANETI_FIREWALL_ENABLED_TAG,
|
51 | efff6193 | Giorgos Verigakis | 'DISABLED': settings.GANETI_FIREWALL_DISABLED_TAG,
|
52 | efff6193 | Giorgos Verigakis | 'PROTECTED': settings.GANETI_FIREWALL_PROTECTED_TAG}
|
53 | efff6193 | Giorgos Verigakis | |
54 | efff6193 | Giorgos Verigakis | _reverse_tags = dict((v.split(':')[3], k) for k, v in _firewall_tags.items()) |
55 | efff6193 | Giorgos Verigakis | |
56 | 02feca11 | Vassilios Karakoidas | |
57 | 093f9c53 | Vangelis Koukis | @transaction.commit_on_success
|
58 | c4e55622 | Christos Stavrakakis | def process_op_status(vm, etime, jobid, opcode, status, logmsg): |
59 | ad2d6807 | Vangelis Koukis | """Process a job progress notification from the backend
|
60 | 02feca11 | Vassilios Karakoidas |
|
61 | 02feca11 | Vassilios Karakoidas | Process an incoming message from the backend (currently Ganeti).
|
62 | 02feca11 | Vassilios Karakoidas | Job notifications with a terminating status (sucess, error, or canceled),
|
63 | 02feca11 | Vassilios Karakoidas | also update the operating state of the VM.
|
64 | 02feca11 | Vassilios Karakoidas |
|
65 | 02feca11 | Vassilios Karakoidas | """
|
66 | 41303ed0 | Vangelis Koukis | # See #1492, #1031, #1111 why this line has been removed
|
67 | 41303ed0 | Vangelis Koukis | #if (opcode not in [x[0] for x in VirtualMachine.BACKEND_OPCODES] or
|
68 | fd65ab41 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
69 | 02feca11 | Vassilios Karakoidas | raise VirtualMachine.InvalidBackendMsgError(opcode, status)
|
70 | 02feca11 | Vassilios Karakoidas | |
71 | dfd19c2d | Vassilios Karakoidas | vm.backendjobid = jobid |
72 | dfd19c2d | Vassilios Karakoidas | vm.backendjobstatus = status |
73 | dfd19c2d | Vassilios Karakoidas | vm.backendopcode = opcode |
74 | dfd19c2d | Vassilios Karakoidas | vm.backendlogmsg = logmsg |
75 | 02feca11 | Vassilios Karakoidas | |
76 | 02feca11 | Vassilios Karakoidas | # Notifications of success change the operating state
|
77 | 41303ed0 | Vangelis Koukis | state_for_success = VirtualMachine.OPER_STATE_FROM_OPCODE.get(opcode, None)
|
78 | 41303ed0 | Vangelis Koukis | if status == 'success' and state_for_success is not None: |
79 | c4ce868e | Christos Stavrakakis | vm.operstate = state_for_success |
80 | 685b219e | Vangelis Koukis | |
81 | 7d43565f | Kostas Papadimitriou | |
82 | 91954b45 | Christos Stavrakakis | # Special case: if OP_INSTANCE_CREATE fails --> ERROR
|
83 | 91954b45 | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_INSTANCE_CREATE': |
84 | c4ce868e | Christos Stavrakakis | vm.operstate = 'ERROR'
|
85 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
86 | 093f9c53 | Vangelis Koukis | |
87 | e97288bc | Christos Stavrakakis | if opcode == 'OP_INSTANCE_REMOVE': |
88 | e97288bc | Christos Stavrakakis | # Set the deleted flag explicitly, cater for admin-initiated removals
|
89 | e97288bc | Christos Stavrakakis | # Special case: OP_INSTANCE_REMOVE fails for machines in ERROR,
|
90 | e97288bc | Christos Stavrakakis | # when no instance exists at the Ganeti backend.
|
91 | e97288bc | Christos Stavrakakis | # See ticket #799 for all the details.
|
92 | e97288bc | Christos Stavrakakis | #
|
93 | e97288bc | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
94 | e97288bc | Christos Stavrakakis | vm.operstate == 'ERROR'):
|
95 | e97288bc | Christos Stavrakakis | release_instance_nics(vm) |
96 | e97288bc | Christos Stavrakakis | vm.nics.all().delete() |
97 | e97288bc | Christos Stavrakakis | vm.deleted = True
|
98 | e97288bc | Christos Stavrakakis | vm.operstate = state_for_success |
99 | e97288bc | Christos Stavrakakis | vm.backendtime = etime |
100 | 093f9c53 | Vangelis Koukis | |
101 | c4ce868e | Christos Stavrakakis | # Update backendtime only for jobs that have been successfully completed,
|
102 | c4ce868e | Christos Stavrakakis | # since only these jobs update the state of the VM. Else a "race condition"
|
103 | c4ce868e | Christos Stavrakakis | # may occur when a successful job (e.g. OP_INSTANCE_REMOVE) completes
|
104 | c4ce868e | Christos Stavrakakis | # before an error job and messages arrive in reversed order.
|
105 | c4ce868e | Christos Stavrakakis | if status == 'success': |
106 | c4ce868e | Christos Stavrakakis | vm.backendtime = etime |
107 | 02feca11 | Vassilios Karakoidas | |
108 | 02feca11 | Vassilios Karakoidas | vm.save() |
109 | 22e52ede | Vassilios Karakoidas | |
110 | ad2d6807 | Vangelis Koukis | |
111 | 207b70d5 | Giorgos Verigakis | @transaction.commit_on_success
|
112 | c4e55622 | Christos Stavrakakis | def process_net_status(vm, etime, nics): |
113 | ad2d6807 | Vangelis Koukis | """Process a net status notification from the backend
|
114 | ad2d6807 | Vangelis Koukis |
|
115 | ad2d6807 | Vangelis Koukis | Process an incoming message from the Ganeti backend,
|
116 | ad2d6807 | Vangelis Koukis | detailing the NIC configuration of a VM instance.
|
117 | ad2d6807 | Vangelis Koukis |
|
118 | ad2d6807 | Vangelis Koukis | Update the state of the VM in the DB accordingly.
|
119 | ad2d6807 | Vangelis Koukis | """
|
120 | 37ca953f | Christodoulos Psaltis | |
121 | b578d9e7 | Christos Stavrakakis | ganeti_nics = process_ganeti_nics(nics) |
122 | b578d9e7 | Christos Stavrakakis | if not nics_changed(vm.nics.order_by('index'), ganeti_nics): |
123 | b578d9e7 | Christos Stavrakakis | log.debug("NICs for VM %s have not changed", vm)
|
124 | b578d9e7 | Christos Stavrakakis | |
125 | fdc94944 | Christos Stavrakakis | release_instance_nics(vm) |
126 | 77f0fa63 | Christos Stavrakakis | |
127 | b578d9e7 | Christos Stavrakakis | for nic in ganeti_nics: |
128 | b578d9e7 | Christos Stavrakakis | ipv4 = nic.get('ipv4', '') |
129 | b578d9e7 | Christos Stavrakakis | if ipv4:
|
130 | b578d9e7 | Christos Stavrakakis | net = nic['network']
|
131 | b578d9e7 | Christos Stavrakakis | net.reserve_address(ipv4) |
132 | b578d9e7 | Christos Stavrakakis | |
133 | b578d9e7 | Christos Stavrakakis | nic['dirty'] = False |
134 | b578d9e7 | Christos Stavrakakis | vm.nics.create(**nic) |
135 | b578d9e7 | Christos Stavrakakis | # Dummy save the network, because UI uses changed-since for VMs
|
136 | b578d9e7 | Christos Stavrakakis | # and Networks in order to show the VM NICs
|
137 | b578d9e7 | Christos Stavrakakis | net.save() |
138 | b578d9e7 | Christos Stavrakakis | |
139 | b578d9e7 | Christos Stavrakakis | vm.backendtime = etime |
140 | b578d9e7 | Christos Stavrakakis | vm.save() |
141 | b578d9e7 | Christos Stavrakakis | |
142 | b578d9e7 | Christos Stavrakakis | |
143 | b578d9e7 | Christos Stavrakakis | def process_ganeti_nics(ganeti_nics): |
144 | b578d9e7 | Christos Stavrakakis | """Process NIC dict from ganeti hooks."""
|
145 | b578d9e7 | Christos Stavrakakis | new_nics = [] |
146 | b578d9e7 | Christos Stavrakakis | for i, new_nic in enumerate(ganeti_nics): |
147 | 77f0fa63 | Christos Stavrakakis | network = new_nic.get('network', '') |
148 | 22ee6892 | Christos Stavrakakis | n = str(network)
|
149 | 77f0fa63 | Christos Stavrakakis | pk = utils.id_from_network_name(n) |
150 | 77f0fa63 | Christos Stavrakakis | |
151 | fdc94944 | Christos Stavrakakis | net = Network.objects.get(pk=pk) |
152 | 77f0fa63 | Christos Stavrakakis | |
153 | 77f0fa63 | Christos Stavrakakis | # Get the new nic info
|
154 | 77f0fa63 | Christos Stavrakakis | mac = new_nic.get('mac', '') |
155 | 77f0fa63 | Christos Stavrakakis | ipv4 = new_nic.get('ip', '') |
156 | 77f0fa63 | Christos Stavrakakis | ipv6 = new_nic.get('ipv6', '') |
157 | 9afeb669 | Kostas Papadimitriou | |
158 | 77f0fa63 | Christos Stavrakakis | firewall = new_nic.get('firewall', '') |
159 | 658a825a | Giorgos Verigakis | firewall_profile = _reverse_tags.get(firewall, '')
|
160 | 658a825a | Giorgos Verigakis | if not firewall_profile and net.public: |
161 | 658a825a | Giorgos Verigakis | firewall_profile = settings.DEFAULT_FIREWALL_PROFILE |
162 | 9afeb669 | Kostas Papadimitriou | |
163 | b578d9e7 | Christos Stavrakakis | nic = { |
164 | b578d9e7 | Christos Stavrakakis | 'index': i,
|
165 | b578d9e7 | Christos Stavrakakis | 'network': net,
|
166 | b578d9e7 | Christos Stavrakakis | 'mac': mac,
|
167 | b578d9e7 | Christos Stavrakakis | 'ipv4': ipv4,
|
168 | b578d9e7 | Christos Stavrakakis | 'ipv6': ipv6,
|
169 | b578d9e7 | Christos Stavrakakis | 'firewall_profile': firewall_profile}
|
170 | b578d9e7 | Christos Stavrakakis | |
171 | b578d9e7 | Christos Stavrakakis | new_nics.append(nic) |
172 | b578d9e7 | Christos Stavrakakis | return new_nics
|
173 | b578d9e7 | Christos Stavrakakis | |
174 | b578d9e7 | Christos Stavrakakis | |
175 | b578d9e7 | Christos Stavrakakis | def nics_changed(old_nics, new_nics): |
176 | b578d9e7 | Christos Stavrakakis | """Return True if NICs have changed in any way."""
|
177 | b578d9e7 | Christos Stavrakakis | if len(old_nics) != len(new_nics): |
178 | b578d9e7 | Christos Stavrakakis | return True |
179 | b578d9e7 | Christos Stavrakakis | for old_nic, new_nic in zip(old_nics, new_nics): |
180 | b578d9e7 | Christos Stavrakakis | if not (old_nic.ipv4 == new_nic['ipv4'] and\ |
181 | b578d9e7 | Christos Stavrakakis | old_nic.ipv6 == new_nic['ipv6'] and\ |
182 | b578d9e7 | Christos Stavrakakis | old_nic.mac == new_nic['mac'] and\ |
183 | b578d9e7 | Christos Stavrakakis | old_nic.firewall_profile == new_nic['firewall_profile'] and\ |
184 | b578d9e7 | Christos Stavrakakis | old_nic.index == new_nic['index'] and\ |
185 | b578d9e7 | Christos Stavrakakis | old_nic.network == new_nic['network']):
|
186 | b578d9e7 | Christos Stavrakakis | return True |
187 | b578d9e7 | Christos Stavrakakis | return False |
188 | 22ee6892 | Christos Stavrakakis | |
189 | 22ee6892 | Christos Stavrakakis | |
190 | bd392934 | Christos Stavrakakis | def release_instance_nics(vm): |
191 | bd392934 | Christos Stavrakakis | for nic in vm.nics.all(): |
192 | 40ef487d | Christos Stavrakakis | net = nic.network |
193 | fa454545 | Christos Stavrakakis | if nic.ipv4:
|
194 | 40ef487d | Christos Stavrakakis | net.release_address(nic.ipv4) |
195 | bd392934 | Christos Stavrakakis | nic.delete() |
196 | 40ef487d | Christos Stavrakakis | net.save() |
197 | bd392934 | Christos Stavrakakis | |
198 | bd392934 | Christos Stavrakakis | |
199 | 22ee6892 | Christos Stavrakakis | @transaction.commit_on_success
|
200 | 22ee6892 | Christos Stavrakakis | def process_network_status(back_network, etime, jobid, opcode, status, logmsg): |
201 | 22ee6892 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
202 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
203 | 22ee6892 | Christos Stavrakakis | |
204 | 22ee6892 | Christos Stavrakakis | back_network.backendjobid = jobid |
205 | 22ee6892 | Christos Stavrakakis | back_network.backendjobstatus = status |
206 | 22ee6892 | Christos Stavrakakis | back_network.backendopcode = opcode |
207 | 22ee6892 | Christos Stavrakakis | back_network.backendlogmsg = logmsg |
208 | 22ee6892 | Christos Stavrakakis | |
209 | 22ee6892 | Christos Stavrakakis | # Notifications of success change the operating state
|
210 | 22ee6892 | Christos Stavrakakis | state_for_success = BackendNetwork.OPER_STATE_FROM_OPCODE.get(opcode, None)
|
211 | 22ee6892 | Christos Stavrakakis | if status == 'success' and state_for_success is not None: |
212 | 22ee6892 | Christos Stavrakakis | back_network.operstate = state_for_success |
213 | 22ee6892 | Christos Stavrakakis | |
214 | 9c65f166 | Christos Stavrakakis | if status in ('canceled', 'error') and opcode == 'OP_NETWORK_CREATE': |
215 | 22ee6892 | Christos Stavrakakis | utils.update_state(back_network, 'ERROR')
|
216 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
217 | 22ee6892 | Christos Stavrakakis | |
218 | e97288bc | Christos Stavrakakis | if opcode == 'OP_NETWORK_REMOVE': |
219 | e97288bc | Christos Stavrakakis | if status == 'success' or (status == 'error' and |
220 | e97288bc | Christos Stavrakakis | back_network.operstate == 'ERROR'):
|
221 | e97288bc | Christos Stavrakakis | back_network.operstate = state_for_success |
222 | e97288bc | Christos Stavrakakis | back_network.deleted = True
|
223 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
224 | 22ee6892 | Christos Stavrakakis | |
225 | e97288bc | Christos Stavrakakis | if status == 'success': |
226 | e97288bc | Christos Stavrakakis | back_network.backendtime = etime |
227 | 22ee6892 | Christos Stavrakakis | back_network.save() |
228 | fd2bdbb2 | Christos Stavrakakis | |
229 | fd2bdbb2 | Christos Stavrakakis | |
230 | fd2bdbb2 | Christos Stavrakakis | @transaction.commit_on_success
|
231 | fd2bdbb2 | Christos Stavrakakis | def process_network_modify(back_network, etime, jobid, opcode, status, |
232 | fd2bdbb2 | Christos Stavrakakis | add_reserved_ips, remove_reserved_ips): |
233 | fd2bdbb2 | Christos Stavrakakis | assert (opcode == "OP_NETWORK_SET_PARAMS") |
234 | fd2bdbb2 | Christos Stavrakakis | if status not in [x[0] for x in BACKEND_STATUSES]: |
235 | fd2bdbb2 | Christos Stavrakakis | raise Network.InvalidBackendMsgError(opcode, status)
|
236 | fd2bdbb2 | Christos Stavrakakis | |
237 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobid = jobid |
238 | fd2bdbb2 | Christos Stavrakakis | back_network.backendjobstatus = status |
239 | fd2bdbb2 | Christos Stavrakakis | back_network.opcode = opcode |
240 | fd2bdbb2 | Christos Stavrakakis | |
241 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips or remove_reserved_ips: |
242 | fd2bdbb2 | Christos Stavrakakis | net = back_network.network |
243 | fd2bdbb2 | Christos Stavrakakis | pool = net.get_pool() |
244 | fd2bdbb2 | Christos Stavrakakis | if add_reserved_ips:
|
245 | fd2bdbb2 | Christos Stavrakakis | for ip in add_reserved_ips: |
246 | fd2bdbb2 | Christos Stavrakakis | pool.reserve(ip, external=True)
|
247 | fd2bdbb2 | Christos Stavrakakis | if remove_reserved_ips:
|
248 | fd2bdbb2 | Christos Stavrakakis | for ip in remove_reserved_ips: |
249 | fd2bdbb2 | Christos Stavrakakis | pool.put(ip, external=True)
|
250 | fd2bdbb2 | Christos Stavrakakis | pool.save() |
251 | fd2bdbb2 | Christos Stavrakakis | |
252 | fd2bdbb2 | Christos Stavrakakis | if status == 'success': |
253 | fd2bdbb2 | Christos Stavrakakis | back_network.backendtime = etime |
254 | fd2bdbb2 | Christos Stavrakakis | back_network.save() |
255 | ad2d6807 | Vangelis Koukis | |
256 | c25cc9ec | Vangelis Koukis | |
257 | 9068cd85 | Georgios Gousios | @transaction.commit_on_success
|
258 | 0827883e | Nikos Skalkotos | def process_create_progress(vm, etime, progress): |
259 | 9068cd85 | Georgios Gousios | |
260 | 0827883e | Nikos Skalkotos | percentage = int(progress)
|
261 | 9068cd85 | Georgios Gousios | |
262 | af90d919 | Vangelis Koukis | # The percentage may exceed 100%, due to the way
|
263 | 0827883e | Nikos Skalkotos | # snf-image:copy-progress tracks bytes read by image handling processes
|
264 | af90d919 | Vangelis Koukis | percentage = 100 if percentage > 100 else percentage |
265 | af90d919 | Vangelis Koukis | if percentage < 0: |
266 | af90d919 | Vangelis Koukis | raise ValueError("Percentage cannot be negative") |
267 | 9068cd85 | Georgios Gousios | |
268 | 7ec9558b | Vangelis Koukis | # FIXME: log a warning here, see #1033
|
269 | 7ec9558b | Vangelis Koukis | # if last_update > percentage:
|
270 | 7ec9558b | Vangelis Koukis | # raise ValueError("Build percentage should increase monotonically " \
|
271 | 7ec9558b | Vangelis Koukis | # "(old = %d, new = %d)" % (last_update, percentage))
|
272 | 9068cd85 | Georgios Gousios | |
273 | c25cc9ec | Vangelis Koukis | # This assumes that no message of type 'ganeti-create-progress' is going to
|
274 | c25cc9ec | Vangelis Koukis | # arrive once OP_INSTANCE_CREATE has succeeded for a Ganeti instance and
|
275 | c25cc9ec | Vangelis Koukis | # the instance is STARTED. What if the two messages are processed by two
|
276 | c25cc9ec | Vangelis Koukis | # separate dispatcher threads, and the 'ganeti-op-status' message for
|
277 | c25cc9ec | Vangelis Koukis | # successful creation gets processed before the 'ganeti-create-progress'
|
278 | c25cc9ec | Vangelis Koukis | # message? [vkoukis]
|
279 | c25cc9ec | Vangelis Koukis | #
|
280 | c25cc9ec | Vangelis Koukis | #if not vm.operstate == 'BUILD':
|
281 | c25cc9ec | Vangelis Koukis | # raise VirtualMachine.IllegalState("VM is not in building state")
|
282 | 9068cd85 | Georgios Gousios | |
283 | c25cc9ec | Vangelis Koukis | vm.buildpercentage = percentage |
284 | c4e55622 | Christos Stavrakakis | vm.backendtime = etime |
285 | 9068cd85 | Georgios Gousios | vm.save() |
286 | ad2d6807 | Vangelis Koukis | |
287 | c25cc9ec | Vangelis Koukis | |
288 | 7d43565f | Kostas Papadimitriou | def create_instance_diagnostic(vm, message, source, level="DEBUG", etime=None, |
289 | 7d43565f | Kostas Papadimitriou | details=None):
|
290 | 7d43565f | Kostas Papadimitriou | """
|
291 | 7d43565f | Kostas Papadimitriou | Create virtual machine instance diagnostic entry.
|
292 | 7d43565f | Kostas Papadimitriou |
|
293 | 7d43565f | Kostas Papadimitriou | :param vm: VirtualMachine instance to create diagnostic for.
|
294 | 7d43565f | Kostas Papadimitriou | :param message: Diagnostic message.
|
295 | 7d43565f | Kostas Papadimitriou | :param source: Diagnostic source identifier (e.g. image-helper).
|
296 | 7d43565f | Kostas Papadimitriou | :param level: Diagnostic level (`DEBUG`, `INFO`, `WARNING`, `ERROR`).
|
297 | 7d43565f | Kostas Papadimitriou | :param etime: The time the message occured (if available).
|
298 | 7d43565f | Kostas Papadimitriou | :param details: Additional details or debug information.
|
299 | 7d43565f | Kostas Papadimitriou | """
|
300 | 7d43565f | Kostas Papadimitriou | VirtualMachineDiagnostic.objects.create_for_vm(vm, level, source=source, |
301 | 7d43565f | Kostas Papadimitriou | source_date=etime, message=message, details=details) |
302 | 7d43565f | Kostas Papadimitriou | |
303 | 7d43565f | Kostas Papadimitriou | |
304 | 79b7dbb7 | Christos Stavrakakis | def create_instance(vm, public_nic, flavor, image, password=None): |
305 | 3a9b3cde | Giorgos Verigakis | """`image` is a dictionary which should contain the keys:
|
306 | 3a9b3cde | Giorgos Verigakis | 'backend_id', 'format' and 'metadata'
|
307 | 7f691719 | Christos Stavrakakis |
|
308 | 3a9b3cde | Giorgos Verigakis | metadata value should be a dictionary.
|
309 | 3a9b3cde | Giorgos Verigakis | """
|
310 | 864bed43 | Christos Stavrakakis | |
311 | 1c382247 | Vangelis Koukis | # Handle arguments to CreateInstance() as a dictionary,
|
312 | 1c382247 | Vangelis Koukis | # initialize it based on a deployment-specific value.
|
313 | 1c382247 | Vangelis Koukis | # This enables the administrator to override deployment-specific
|
314 | c25cc9ec | Vangelis Koukis | # arguments, such as the disk template to use, name of os provider
|
315 | 1c382247 | Vangelis Koukis | # and hypervisor-specific parameters at will (see Synnefo #785, #835).
|
316 | 1c382247 | Vangelis Koukis | #
|
317 | 1c382247 | Vangelis Koukis | kw = settings.GANETI_CREATEINSTANCE_KWARGS |
318 | 1c382247 | Vangelis Koukis | kw['mode'] = 'create' |
319 | 924d8085 | Christos Stavrakakis | kw['name'] = vm.backend_vm_id
|
320 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
321 | 296682fe | Kostas Papadimitriou | |
322 | 296682fe | Kostas Papadimitriou | # Identify if provider parameter should be set in disk options.
|
323 | 296682fe | Kostas Papadimitriou | # Current implementation support providers only fo ext template.
|
324 | 296682fe | Kostas Papadimitriou | # To select specific provider for an ext template, template name
|
325 | 296682fe | Kostas Papadimitriou | # should be formated as `ext_<provider_name>`.
|
326 | 296682fe | Kostas Papadimitriou | provider = None
|
327 | 296682fe | Kostas Papadimitriou | disk_template = flavor.disk_template |
328 | 296682fe | Kostas Papadimitriou | if flavor.disk_template.startswith("ext"): |
329 | 296682fe | Kostas Papadimitriou | disk_template, provider = flavor.disk_template.split("_", 1) |
330 | 296682fe | Kostas Papadimitriou | |
331 | 296682fe | Kostas Papadimitriou | kw['disk_template'] = disk_template
|
332 | d7841399 | Christos Stavrakakis | kw['disks'] = [{"size": flavor.disk * 1024}] |
333 | 296682fe | Kostas Papadimitriou | if provider:
|
334 | 296682fe | Kostas Papadimitriou | kw['disks'][0]['provider'] = provider |
335 | 296682fe | Kostas Papadimitriou | |
336 | 27d6d48d | Stratos Psomadakis | if provider == 'vlmc': |
337 | 27d6d48d | Stratos Psomadakis | kw['disks'][0]['origin'] = image['backend_id'] |
338 | 296682fe | Kostas Papadimitriou | |
339 | adc46059 | Christos Stavrakakis | kw['nics'] = [public_nic]
|
340 | 341c818e | Dimitris Aragiorgis | if settings.GANETI_USE_HOTPLUG:
|
341 | 341c818e | Dimitris Aragiorgis | kw['hotplug'] = True |
342 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
343 | 1c382247 | Vangelis Koukis | # kw['os'] = settings.GANETI_OS_PROVIDER
|
344 | 1c382247 | Vangelis Koukis | kw['ip_check'] = False |
345 | 1c382247 | Vangelis Koukis | kw['name_check'] = False |
346 | 79b7dbb7 | Christos Stavrakakis | |
347 | 1c382247 | Vangelis Koukis | # Do not specific a node explicitly, have
|
348 | 1c382247 | Vangelis Koukis | # Ganeti use an iallocator instead
|
349 | f8d1eaf4 | Kostas Papadimitriou | #kw['pnode'] = rapi.GetNodes()[0]
|
350 | 79b7dbb7 | Christos Stavrakakis | |
351 | 1c382247 | Vangelis Koukis | kw['dry_run'] = settings.TEST
|
352 | 41303ed0 | Vangelis Koukis | |
353 | 2b1db26f | Giorgos Verigakis | kw['beparams'] = {
|
354 | 79b7dbb7 | Christos Stavrakakis | 'auto_balance': True, |
355 | 79b7dbb7 | Christos Stavrakakis | 'vcpus': flavor.cpu,
|
356 | 79b7dbb7 | Christos Stavrakakis | 'memory': flavor.ram}
|
357 | 79b7dbb7 | Christos Stavrakakis | |
358 | 79b7dbb7 | Christos Stavrakakis | if provider == 'vlmc': |
359 | 79b7dbb7 | Christos Stavrakakis | image_id = 'null'
|
360 | 79b7dbb7 | Christos Stavrakakis | else:
|
361 | 79b7dbb7 | Christos Stavrakakis | image_id = image['backend_id']
|
362 | 41303ed0 | Vangelis Koukis | |
363 | e3b5be49 | Giorgos Verigakis | kw['osparams'] = {
|
364 | 79b7dbb7 | Christos Stavrakakis | 'config_url': vm.config_url,
|
365 | 79b7dbb7 | Christos Stavrakakis | # Store image id and format to Ganeti
|
366 | 79b7dbb7 | Christos Stavrakakis | 'img_id': image_id,
|
367 | 3a9b3cde | Giorgos Verigakis | 'img_format': image['format']} |
368 | 27d6d48d | Stratos Psomadakis | |
369 | 79b7dbb7 | Christos Stavrakakis | if password:
|
370 | 79b7dbb7 | Christos Stavrakakis | # Only for admin created VMs !!
|
371 | 79b7dbb7 | Christos Stavrakakis | kw['osparams']['img_passwd'] = password |
372 | d1eaa651 | Christos Stavrakakis | |
373 | 5949b704 | Vangelis Koukis | # Defined in settings.GANETI_CREATEINSTANCE_KWARGS
|
374 | 1c382247 | Vangelis Koukis | # kw['hvparams'] = dict(serial_console=False)
|
375 | 79b7dbb7 | Christos Stavrakakis | |
376 | 6afeb85d | Christos Stavrakakis | log.debug("Creating instance %s", utils.hide_pass(kw))
|
377 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
378 | 3524241a | Christos Stavrakakis | return client.CreateInstance(**kw)
|
379 | f533f224 | Vangelis Koukis | |
380 | 529178b1 | Giorgos Verigakis | |
381 | 529178b1 | Giorgos Verigakis | def delete_instance(vm): |
382 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
383 | 3524241a | Christos Stavrakakis | return client.DeleteInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
384 | 529178b1 | Giorgos Verigakis | |
385 | ad2d6807 | Vangelis Koukis | |
386 | 529178b1 | Giorgos Verigakis | def reboot_instance(vm, reboot_type): |
387 | 529178b1 | Giorgos Verigakis | assert reboot_type in ('soft', 'hard') |
388 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
389 | bf5c82dc | Christos Stavrakakis | return client.RebootInstance(vm.backend_vm_id, reboot_type,
|
390 | bf5c82dc | Christos Stavrakakis | dry_run=settings.TEST) |
391 | 529178b1 | Giorgos Verigakis | |
392 | ad2d6807 | Vangelis Koukis | |
393 | 529178b1 | Giorgos Verigakis | def startup_instance(vm): |
394 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
395 | 3524241a | Christos Stavrakakis | return client.StartupInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
396 | 529178b1 | Giorgos Verigakis | |
397 | ad2d6807 | Vangelis Koukis | |
398 | 529178b1 | Giorgos Verigakis | def shutdown_instance(vm): |
399 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
400 | 3524241a | Christos Stavrakakis | return client.ShutdownInstance(vm.backend_vm_id, dry_run=settings.TEST)
|
401 | 529178b1 | Giorgos Verigakis | |
402 | ad2d6807 | Vangelis Koukis | |
403 | 529178b1 | Giorgos Verigakis | def get_instance_console(vm): |
404 | 71099804 | Vangelis Koukis | # RAPI GetInstanceConsole() returns endpoints to the vnc_bind_address,
|
405 | 71099804 | Vangelis Koukis | # which is a cluster-wide setting, either 0.0.0.0 or 127.0.0.1, and pretty
|
406 | 71099804 | Vangelis Koukis | # useless (see #783).
|
407 | 71099804 | Vangelis Koukis | #
|
408 | 71099804 | Vangelis Koukis | # Until this is fixed on the Ganeti side, construct a console info reply
|
409 | 71099804 | Vangelis Koukis | # directly.
|
410 | 9afeb669 | Kostas Papadimitriou | #
|
411 | 71099804 | Vangelis Koukis | # WARNING: This assumes that VNC runs on port network_port on
|
412 | 71099804 | Vangelis Koukis | # the instance's primary node, and is probably
|
413 | 71099804 | Vangelis Koukis | # hypervisor-specific.
|
414 | 71099804 | Vangelis Koukis | #
|
415 | bf5c82dc | Christos Stavrakakis | log.debug("Getting console for vm %s", vm)
|
416 | bf5c82dc | Christos Stavrakakis | |
417 | 71099804 | Vangelis Koukis | console = {} |
418 | 71099804 | Vangelis Koukis | console['kind'] = 'vnc' |
419 | 3524241a | Christos Stavrakakis | |
420 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
421 | 3524241a | Christos Stavrakakis | i = client.GetInstance(vm.backend_vm_id) |
422 | 3524241a | Christos Stavrakakis | |
423 | 71099804 | Vangelis Koukis | if i['hvparams']['serial_console']: |
424 | 71099804 | Vangelis Koukis | raise Exception("hv parameter serial_console cannot be true") |
425 | 71099804 | Vangelis Koukis | console['host'] = i['pnode'] |
426 | 71099804 | Vangelis Koukis | console['port'] = i['network_port'] |
427 | 9afeb669 | Kostas Papadimitriou | |
428 | 71099804 | Vangelis Koukis | return console
|
429 | 604b2bf8 | Georgios Gousios | |
430 | 604b2bf8 | Georgios Gousios | |
431 | 3524241a | Christos Stavrakakis | def get_instance_info(vm): |
432 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
433 | 3524241a | Christos Stavrakakis | return client.GetInstanceInfo(vm.backend_vm_id)
|
434 | f533f224 | Vangelis Koukis | |
435 | c25cc9ec | Vangelis Koukis | |
436 | 3524241a | Christos Stavrakakis | def create_network(network, backends=None, connect=True): |
437 | 3524241a | Christos Stavrakakis | """Create and connect a network."""
|
438 | 3524241a | Christos Stavrakakis | if not backends: |
439 | 3524241a | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
440 | 64938cb0 | Giorgos Verigakis | |
441 | bf5c82dc | Christos Stavrakakis | log.debug("Creating network %s in backends %s", network, backends)
|
442 | c25cc9ec | Vangelis Koukis | |
443 | 3524241a | Christos Stavrakakis | for backend in backends: |
444 | 3524241a | Christos Stavrakakis | create_jobID = _create_network(network, backend) |
445 | 3524241a | Christos Stavrakakis | if connect:
|
446 | 3524241a | Christos Stavrakakis | connect_network(network, backend, create_jobID) |
447 | 37ca953f | Christodoulos Psaltis | |
448 | 64938cb0 | Giorgos Verigakis | |
449 | 3524241a | Christos Stavrakakis | def _create_network(network, backend): |
450 | 3524241a | Christos Stavrakakis | """Create a network."""
|
451 | c25cc9ec | Vangelis Koukis | |
452 | 22ee6892 | Christos Stavrakakis | network_type = network.public and 'public' or 'private' |
453 | 22ee6892 | Christos Stavrakakis | |
454 | 22ee6892 | Christos Stavrakakis | tags = network.backend_tag |
455 | 22ee6892 | Christos Stavrakakis | if network.dhcp:
|
456 | 22ee6892 | Christos Stavrakakis | tags.append('nfdhcpd')
|
457 | 2d762302 | Dimitris Aragiorgis | |
458 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
459 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
460 | 2d762302 | Dimitris Aragiorgis | else:
|
461 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
462 | 22ee6892 | Christos Stavrakakis | |
463 | 3524241a | Christos Stavrakakis | try:
|
464 | 3524241a | Christos Stavrakakis | bn = BackendNetwork.objects.get(network=network, backend=backend) |
465 | 3524241a | Christos Stavrakakis | mac_prefix = bn.mac_prefix |
466 | 3524241a | Christos Stavrakakis | except BackendNetwork.DoesNotExist:
|
467 | 3524241a | Christos Stavrakakis | raise Exception("BackendNetwork for network '%s' in backend '%s'"\ |
468 | 3524241a | Christos Stavrakakis | " does not exist" % (network.id, backend.id))
|
469 | 3524241a | Christos Stavrakakis | |
470 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
471 | 3524241a | Christos Stavrakakis | return client.CreateNetwork(network_name=network.backend_id,
|
472 | 3524241a | Christos Stavrakakis | network=network.subnet, |
473 | 6cc3a31c | Christos Stavrakakis | network6=network.subnet6, |
474 | 3524241a | Christos Stavrakakis | gateway=network.gateway, |
475 | 6cc3a31c | Christos Stavrakakis | gateway6=network.gateway6, |
476 | 3524241a | Christos Stavrakakis | network_type=network_type, |
477 | 3524241a | Christos Stavrakakis | mac_prefix=mac_prefix, |
478 | 2d762302 | Dimitris Aragiorgis | conflicts_check=conflicts_check, |
479 | 3524241a | Christos Stavrakakis | tags=tags) |
480 | 3524241a | Christos Stavrakakis | |
481 | 3524241a | Christos Stavrakakis | |
482 | 3524241a | Christos Stavrakakis | def connect_network(network, backend, depend_job=None, group=None): |
483 | 3524241a | Christos Stavrakakis | """Connect a network to nodegroups."""
|
484 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting network %s to backend %s", network, backend)
|
485 | bf5c82dc | Christos Stavrakakis | |
486 | 3524241a | Christos Stavrakakis | mode = "routed" if "ROUTED" in network.type else "bridged" |
487 | 3524241a | Christos Stavrakakis | |
488 | 2d762302 | Dimitris Aragiorgis | if network.public:
|
489 | 2d762302 | Dimitris Aragiorgis | conflicts_check = True
|
490 | 2d762302 | Dimitris Aragiorgis | else:
|
491 | 2d762302 | Dimitris Aragiorgis | conflicts_check = False
|
492 | 2d762302 | Dimitris Aragiorgis | |
493 | 122c4019 | Christos Stavrakakis | depend_jobs = [depend_job] if depend_job else [] |
494 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
495 | 3524241a | Christos Stavrakakis | if group:
|
496 | 22ee6892 | Christos Stavrakakis | client.ConnectNetwork(network.backend_id, group, mode, |
497 | 2d762302 | Dimitris Aragiorgis | network.link, conflicts_check, depend_jobs) |
498 | 3524241a | Christos Stavrakakis | else:
|
499 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
500 | 3524241a | Christos Stavrakakis | client.ConnectNetwork(network.backend_id, group, mode, |
501 | 2d762302 | Dimitris Aragiorgis | network.link, conflicts_check, |
502 | 2d762302 | Dimitris Aragiorgis | depend_jobs) |
503 | 22ee6892 | Christos Stavrakakis | |
504 | 22ee6892 | Christos Stavrakakis | |
505 | 3524241a | Christos Stavrakakis | def delete_network(network, backends=None, disconnect=True): |
506 | 22ee6892 | Christos Stavrakakis | if not backends: |
507 | 22ee6892 | Christos Stavrakakis | backends = Backend.objects.exclude(offline=True)
|
508 | 22ee6892 | Christos Stavrakakis | |
509 | bf5c82dc | Christos Stavrakakis | log.debug("Deleting network %s from backends %s", network, backends)
|
510 | bf5c82dc | Christos Stavrakakis | |
511 | 22ee6892 | Christos Stavrakakis | for backend in backends: |
512 | 3524241a | Christos Stavrakakis | disconnect_jobIDs = [] |
513 | 3524241a | Christos Stavrakakis | if disconnect:
|
514 | 3524241a | Christos Stavrakakis | disconnect_jobIDs = disconnect_network(network, backend) |
515 | 3524241a | Christos Stavrakakis | _delete_network(network, backend, disconnect_jobIDs) |
516 | 22ee6892 | Christos Stavrakakis | |
517 | 22ee6892 | Christos Stavrakakis | |
518 | 3524241a | Christos Stavrakakis | def _delete_network(network, backend, depend_jobs=[]): |
519 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
520 | 3524241a | Christos Stavrakakis | return client.DeleteNetwork(network.backend_id, depend_jobs)
|
521 | 22ee6892 | Christos Stavrakakis | |
522 | 22ee6892 | Christos Stavrakakis | |
523 | 3524241a | Christos Stavrakakis | def disconnect_network(network, backend, group=None): |
524 | bf5c82dc | Christos Stavrakakis | log.debug("Disconnecting network %s to backend %s", network, backend)
|
525 | 22ee6892 | Christos Stavrakakis | |
526 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
527 | 3524241a | Christos Stavrakakis | if group:
|
528 | 3524241a | Christos Stavrakakis | return [client.DisconnectNetwork(network.backend_id, group)]
|
529 | 3524241a | Christos Stavrakakis | else:
|
530 | 3524241a | Christos Stavrakakis | jobs = [] |
531 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
532 | 3524241a | Christos Stavrakakis | job = client.DisconnectNetwork(network.backend_id, group) |
533 | 3524241a | Christos Stavrakakis | jobs.append(job) |
534 | 3524241a | Christos Stavrakakis | return jobs
|
535 | 36f4cb29 | Christos Stavrakakis | |
536 | 36f4cb29 | Christos Stavrakakis | |
537 | 87920bc3 | Christos Stavrakakis | def connect_to_network(vm, network, address=None): |
538 | 3524241a | Christos Stavrakakis | nic = {'ip': address, 'network': network.backend_id} |
539 | 22ee6892 | Christos Stavrakakis | |
540 | bf5c82dc | Christos Stavrakakis | log.debug("Connecting vm %s to network %s(%s)", vm, network, address)
|
541 | 22ee6892 | Christos Stavrakakis | |
542 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
543 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=[('add', nic)], |
544 | 3524241a | Christos Stavrakakis | hotplug=settings.GANETI_USE_HOTPLUG, |
545 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
546 | 22ee6892 | Christos Stavrakakis | |
547 | 22ee6892 | Christos Stavrakakis | |
548 | 3524241a | Christos Stavrakakis | def disconnect_from_network(vm, nic): |
549 | 3524241a | Christos Stavrakakis | op = [('remove', nic.index, {})]
|
550 | 22ee6892 | Christos Stavrakakis | |
551 | bf5c82dc | Christos Stavrakakis | log.debug("Removing nic of VM %s, with index %s", vm, str(nic.index)) |
552 | 22ee6892 | Christos Stavrakakis | |
553 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
554 | 3524241a | Christos Stavrakakis | return client.ModifyInstance(vm.backend_vm_id, nics=op,
|
555 | 3524241a | Christos Stavrakakis | hotplug=settings.GANETI_USE_HOTPLUG, |
556 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
557 | 91826390 | Giorgos Verigakis | |
558 | c25cc9ec | Vangelis Koukis | |
559 | 91826390 | Giorgos Verigakis | def set_firewall_profile(vm, profile): |
560 | 26563957 | Giorgos Verigakis | try:
|
561 | 26563957 | Giorgos Verigakis | tag = _firewall_tags[profile] |
562 | 26563957 | Giorgos Verigakis | except KeyError: |
563 | 91826390 | Giorgos Verigakis | raise ValueError("Unsopported Firewall Profile: %s" % profile) |
564 | 37ca953f | Christodoulos Psaltis | |
565 | bf5c82dc | Christos Stavrakakis | log.debug("Setting tag of VM %s to %s", vm, profile)
|
566 | bf5c82dc | Christos Stavrakakis | |
567 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(vm) as client: |
568 | 3524241a | Christos Stavrakakis | # Delete all firewall tags
|
569 | 3524241a | Christos Stavrakakis | for t in _firewall_tags.values(): |
570 | 3524241a | Christos Stavrakakis | client.DeleteInstanceTags(vm.backend_vm_id, [t], |
571 | 3524241a | Christos Stavrakakis | dry_run=settings.TEST) |
572 | 37ca953f | Christodoulos Psaltis | |
573 | 3524241a | Christos Stavrakakis | client.AddInstanceTags(vm.backend_vm_id, [tag], dry_run=settings.TEST) |
574 | 9afeb669 | Kostas Papadimitriou | |
575 | 3524241a | Christos Stavrakakis | # XXX NOP ModifyInstance call to force process_net_status to run
|
576 | 3524241a | Christos Stavrakakis | # on the dispatcher
|
577 | 3524241a | Christos Stavrakakis | client.ModifyInstance(vm.backend_vm_id, |
578 | 3524241a | Christos Stavrakakis | os_name=settings.GANETI_CREATEINSTANCE_KWARGS['os'])
|
579 | 5eedb0e4 | Vangelis Koukis | |
580 | 41303ed0 | Vangelis Koukis | |
581 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_instances(backend=None, bulk=False): |
582 | 3524241a | Christos Stavrakakis | instances = [] |
583 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
584 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
585 | 3524241a | Christos Stavrakakis | instances.append(client.GetInstances(bulk=bulk)) |
586 | 3524241a | Christos Stavrakakis | |
587 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, instances, []) |
588 | f5b4f2a3 | Christos Stavrakakis | |
589 | f5b4f2a3 | Christos Stavrakakis | |
590 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_nodes(backend=None, bulk=False): |
591 | 3524241a | Christos Stavrakakis | nodes = [] |
592 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
593 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
594 | 3524241a | Christos Stavrakakis | nodes.append(client.GetNodes(bulk=bulk)) |
595 | 3524241a | Christos Stavrakakis | |
596 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, nodes, []) |
597 | f5b4f2a3 | Christos Stavrakakis | |
598 | f5b4f2a3 | Christos Stavrakakis | |
599 | f5b4f2a3 | Christos Stavrakakis | def get_ganeti_jobs(backend=None, bulk=False): |
600 | 3524241a | Christos Stavrakakis | jobs = [] |
601 | 3524241a | Christos Stavrakakis | for backend in get_backends(backend): |
602 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
603 | 3524241a | Christos Stavrakakis | jobs.append(client.GetJobs(bulk=bulk)) |
604 | 3524241a | Christos Stavrakakis | return reduce(list.__add__, jobs, []) |
605 | f5b4f2a3 | Christos Stavrakakis | |
606 | f5b4f2a3 | Christos Stavrakakis | ##
|
607 | f5b4f2a3 | Christos Stavrakakis | ##
|
608 | f5b4f2a3 | Christos Stavrakakis | ##
|
609 | 1a894bfe | Christos Stavrakakis | |
610 | 1a894bfe | Christos Stavrakakis | |
611 | f5b4f2a3 | Christos Stavrakakis | def get_backends(backend=None): |
612 | f5b4f2a3 | Christos Stavrakakis | if backend:
|
613 | f5b4f2a3 | Christos Stavrakakis | return [backend]
|
614 | cc7c0f44 | Christos Stavrakakis | return Backend.objects.filter(offline=False) |
615 | f5b4f2a3 | Christos Stavrakakis | |
616 | 17852fe9 | Giorgos Verigakis | |
617 | 1a894bfe | Christos Stavrakakis | def get_physical_resources(backend): |
618 | 1a894bfe | Christos Stavrakakis | """ Get the physical resources of a backend.
|
619 | 1a894bfe | Christos Stavrakakis |
|
620 | 1a894bfe | Christos Stavrakakis | Get the resources of a backend as reported by the backend (not the db).
|
621 | 41303ed0 | Vangelis Koukis |
|
622 | 1a894bfe | Christos Stavrakakis | """
|
623 | 1a894bfe | Christos Stavrakakis | nodes = get_ganeti_nodes(backend, bulk=True)
|
624 | 1a894bfe | Christos Stavrakakis | attr = ['mfree', 'mtotal', 'dfree', 'dtotal', 'pinst_cnt', 'ctotal'] |
625 | 1a894bfe | Christos Stavrakakis | res = {} |
626 | 1a894bfe | Christos Stavrakakis | for a in attr: |
627 | 1a894bfe | Christos Stavrakakis | res[a] = 0
|
628 | 1a894bfe | Christos Stavrakakis | for n in nodes: |
629 | 1a894bfe | Christos Stavrakakis | # Filter out drained, offline and not vm_capable nodes since they will
|
630 | 1a894bfe | Christos Stavrakakis | # not take part in the vm allocation process
|
631 | 1a894bfe | Christos Stavrakakis | if n['vm_capable'] and not n['drained'] and not n['offline']\ |
632 | 1a894bfe | Christos Stavrakakis | and n['cnodes']: |
633 | 1a894bfe | Christos Stavrakakis | for a in attr: |
634 | 1a894bfe | Christos Stavrakakis | res[a] += int(n[a])
|
635 | 1a894bfe | Christos Stavrakakis | return res
|
636 | 1a894bfe | Christos Stavrakakis | |
637 | 1a894bfe | Christos Stavrakakis | |
638 | 1a894bfe | Christos Stavrakakis | def update_resources(backend, resources=None): |
639 | 1a894bfe | Christos Stavrakakis | """ Update the state of the backend resources in db.
|
640 | 1a894bfe | Christos Stavrakakis |
|
641 | 1a894bfe | Christos Stavrakakis | """
|
642 | 17852fe9 | Giorgos Verigakis | |
643 | 1a894bfe | Christos Stavrakakis | if not resources: |
644 | 1a894bfe | Christos Stavrakakis | resources = get_physical_resources(backend) |
645 | 41303ed0 | Vangelis Koukis | |
646 | 1a894bfe | Christos Stavrakakis | backend.mfree = resources['mfree']
|
647 | 1a894bfe | Christos Stavrakakis | backend.mtotal = resources['mtotal']
|
648 | 1a894bfe | Christos Stavrakakis | backend.dfree = resources['dfree']
|
649 | 1a894bfe | Christos Stavrakakis | backend.dtotal = resources['dtotal']
|
650 | 1a894bfe | Christos Stavrakakis | backend.pinst_cnt = resources['pinst_cnt']
|
651 | 1a894bfe | Christos Stavrakakis | backend.ctotal = resources['ctotal']
|
652 | 1a894bfe | Christos Stavrakakis | backend.updated = datetime.now() |
653 | 1a894bfe | Christos Stavrakakis | backend.save() |
654 | 1a894bfe | Christos Stavrakakis | |
655 | 1a894bfe | Christos Stavrakakis | |
656 | 1a894bfe | Christos Stavrakakis | def get_memory_from_instances(backend): |
657 | 1a894bfe | Christos Stavrakakis | """ Get the memory that is used from instances.
|
658 | 1a894bfe | Christos Stavrakakis |
|
659 | 1a894bfe | Christos Stavrakakis | Get the used memory of a backend. Note: This is different for
|
660 | 1a894bfe | Christos Stavrakakis | the real memory used, due to kvm's memory de-duplication.
|
661 | 1a894bfe | Christos Stavrakakis |
|
662 | 1a894bfe | Christos Stavrakakis | """
|
663 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
664 | 3524241a | Christos Stavrakakis | instances = client.GetInstances(bulk=True)
|
665 | 1a894bfe | Christos Stavrakakis | mem = 0
|
666 | 1a894bfe | Christos Stavrakakis | for i in instances: |
667 | 1a894bfe | Christos Stavrakakis | mem += i['oper_ram']
|
668 | 1a894bfe | Christos Stavrakakis | return mem
|
669 | b3d28af2 | Christos Stavrakakis | |
670 | b3d28af2 | Christos Stavrakakis | ##
|
671 | b3d28af2 | Christos Stavrakakis | ## Synchronized operations for reconciliation
|
672 | b3d28af2 | Christos Stavrakakis | ##
|
673 | b3d28af2 | Christos Stavrakakis | |
674 | b3d28af2 | Christos Stavrakakis | |
675 | b3d28af2 | Christos Stavrakakis | def create_network_synced(network, backend): |
676 | b3d28af2 | Christos Stavrakakis | result = _create_network_synced(network, backend) |
677 | b3d28af2 | Christos Stavrakakis | if result[0] != 'success': |
678 | b3d28af2 | Christos Stavrakakis | return result
|
679 | b3d28af2 | Christos Stavrakakis | result = connect_network_synced(network, backend) |
680 | b3d28af2 | Christos Stavrakakis | return result
|
681 | b3d28af2 | Christos Stavrakakis | |
682 | b3d28af2 | Christos Stavrakakis | |
683 | b3d28af2 | Christos Stavrakakis | def _create_network_synced(network, backend): |
684 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
685 | e60b4630 | Christos Stavrakakis | job = _create_network(network, backend) |
686 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
687 | 3524241a | Christos Stavrakakis | return result
|
688 | b3d28af2 | Christos Stavrakakis | |
689 | b3d28af2 | Christos Stavrakakis | |
690 | b3d28af2 | Christos Stavrakakis | def connect_network_synced(network, backend): |
691 | 839e2bd0 | Christos Stavrakakis | if network.type in ('PUBLIC_ROUTED', 'CUSTOM_ROUTED'): |
692 | 839e2bd0 | Christos Stavrakakis | mode = 'routed'
|
693 | 839e2bd0 | Christos Stavrakakis | else:
|
694 | 839e2bd0 | Christos Stavrakakis | mode = 'bridged'
|
695 | 3524241a | Christos Stavrakakis | with pooled_rapi_client(backend) as client: |
696 | 3524241a | Christos Stavrakakis | for group in client.GetGroups(): |
697 | 3524241a | Christos Stavrakakis | job = client.ConnectNetwork(network.backend_id, group, mode, |
698 | 3524241a | Christos Stavrakakis | network.link) |
699 | 3524241a | Christos Stavrakakis | result = wait_for_job(client, job) |
700 | 3524241a | Christos Stavrakakis | if result[0] != 'success': |
701 | 3524241a | Christos Stavrakakis | return result
|
702 | b3d28af2 | Christos Stavrakakis | |
703 | b3d28af2 | Christos Stavrakakis | return result
|
704 | b3d28af2 | Christos Stavrakakis | |
705 | b3d28af2 | Christos Stavrakakis | |
706 | b3d28af2 | Christos Stavrakakis | def wait_for_job(client, jobid): |
707 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], None, None) |
708 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
709 | b3d28af2 | Christos Stavrakakis | while status not in ['success', 'error', 'cancel']: |
710 | b3d28af2 | Christos Stavrakakis | result = client.WaitForJobChange(jobid, ['status', 'opresult'], |
711 | b3d28af2 | Christos Stavrakakis | [result], None)
|
712 | b3d28af2 | Christos Stavrakakis | status = result['job_info'][0] |
713 | b3d28af2 | Christos Stavrakakis | |
714 | b3d28af2 | Christos Stavrakakis | if status == 'success': |
715 | b3d28af2 | Christos Stavrakakis | return (status, None) |
716 | b3d28af2 | Christos Stavrakakis | else:
|
717 | b3d28af2 | Christos Stavrakakis | error = result['job_info'][1] |
718 | b3d28af2 | Christos Stavrakakis | return (status, error) |