root / lib / cmdlib / network.py @ 1c4910f7
History | View | Annotate | Download (18.7 kB)
1 | 37dc17e3 | Thomas Thrainer | #
|
---|---|---|---|
2 | 37dc17e3 | Thomas Thrainer | #
|
3 | 37dc17e3 | Thomas Thrainer | |
4 | 37dc17e3 | Thomas Thrainer | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
|
5 | 37dc17e3 | Thomas Thrainer | #
|
6 | 37dc17e3 | Thomas Thrainer | # This program is free software; you can redistribute it and/or modify
|
7 | 37dc17e3 | Thomas Thrainer | # it under the terms of the GNU General Public License as published by
|
8 | 37dc17e3 | Thomas Thrainer | # the Free Software Foundation; either version 2 of the License, or
|
9 | 37dc17e3 | Thomas Thrainer | # (at your option) any later version.
|
10 | 37dc17e3 | Thomas Thrainer | #
|
11 | 37dc17e3 | Thomas Thrainer | # This program is distributed in the hope that it will be useful, but
|
12 | 37dc17e3 | Thomas Thrainer | # WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | 37dc17e3 | Thomas Thrainer | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | 37dc17e3 | Thomas Thrainer | # General Public License for more details.
|
15 | 37dc17e3 | Thomas Thrainer | #
|
16 | 37dc17e3 | Thomas Thrainer | # You should have received a copy of the GNU General Public License
|
17 | 37dc17e3 | Thomas Thrainer | # along with this program; if not, write to the Free Software
|
18 | 37dc17e3 | Thomas Thrainer | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 | 37dc17e3 | Thomas Thrainer | # 02110-1301, USA.
|
20 | 37dc17e3 | Thomas Thrainer | |
21 | 37dc17e3 | Thomas Thrainer | |
22 | 37dc17e3 | Thomas Thrainer | """Logical units dealing with networks."""
|
23 | 37dc17e3 | Thomas Thrainer | |
24 | 37dc17e3 | Thomas Thrainer | from ganeti import constants |
25 | 37dc17e3 | Thomas Thrainer | from ganeti import errors |
26 | 37dc17e3 | Thomas Thrainer | from ganeti import locking |
27 | 37dc17e3 | Thomas Thrainer | from ganeti import network |
28 | 37dc17e3 | Thomas Thrainer | from ganeti import objects |
29 | 37dc17e3 | Thomas Thrainer | from ganeti import utils |
30 | 64981f25 | Helga Velroyen | from ganeti.cmdlib.base import LogicalUnit |
31 | 44ffd981 | Helga Velroyen | from ganeti.cmdlib.common import CheckNodeGroupInstances |
32 | 37dc17e3 | Thomas Thrainer | |
33 | 37dc17e3 | Thomas Thrainer | |
34 | 37dc17e3 | Thomas Thrainer | def _BuildNetworkHookEnv(name, subnet, gateway, network6, gateway6, |
35 | 37dc17e3 | Thomas Thrainer | mac_prefix, tags): |
36 | 37dc17e3 | Thomas Thrainer | """Builds network related env variables for hooks
|
37 | 37dc17e3 | Thomas Thrainer |
|
38 | 37dc17e3 | Thomas Thrainer | This builds the hook environment from individual variables.
|
39 | 37dc17e3 | Thomas Thrainer |
|
40 | 37dc17e3 | Thomas Thrainer | @type name: string
|
41 | 37dc17e3 | Thomas Thrainer | @param name: the name of the network
|
42 | 37dc17e3 | Thomas Thrainer | @type subnet: string
|
43 | 37dc17e3 | Thomas Thrainer | @param subnet: the ipv4 subnet
|
44 | 37dc17e3 | Thomas Thrainer | @type gateway: string
|
45 | 37dc17e3 | Thomas Thrainer | @param gateway: the ipv4 gateway
|
46 | 37dc17e3 | Thomas Thrainer | @type network6: string
|
47 | 37dc17e3 | Thomas Thrainer | @param network6: the ipv6 subnet
|
48 | 37dc17e3 | Thomas Thrainer | @type gateway6: string
|
49 | 37dc17e3 | Thomas Thrainer | @param gateway6: the ipv6 gateway
|
50 | 37dc17e3 | Thomas Thrainer | @type mac_prefix: string
|
51 | 37dc17e3 | Thomas Thrainer | @param mac_prefix: the mac_prefix
|
52 | 37dc17e3 | Thomas Thrainer | @type tags: list
|
53 | 37dc17e3 | Thomas Thrainer | @param tags: the tags of the network
|
54 | 37dc17e3 | Thomas Thrainer |
|
55 | 37dc17e3 | Thomas Thrainer | """
|
56 | 37dc17e3 | Thomas Thrainer | env = {} |
57 | 37dc17e3 | Thomas Thrainer | if name:
|
58 | 37dc17e3 | Thomas Thrainer | env["NETWORK_NAME"] = name
|
59 | 37dc17e3 | Thomas Thrainer | if subnet:
|
60 | 37dc17e3 | Thomas Thrainer | env["NETWORK_SUBNET"] = subnet
|
61 | 37dc17e3 | Thomas Thrainer | if gateway:
|
62 | 37dc17e3 | Thomas Thrainer | env["NETWORK_GATEWAY"] = gateway
|
63 | 37dc17e3 | Thomas Thrainer | if network6:
|
64 | 37dc17e3 | Thomas Thrainer | env["NETWORK_SUBNET6"] = network6
|
65 | 37dc17e3 | Thomas Thrainer | if gateway6:
|
66 | 37dc17e3 | Thomas Thrainer | env["NETWORK_GATEWAY6"] = gateway6
|
67 | 37dc17e3 | Thomas Thrainer | if mac_prefix:
|
68 | 37dc17e3 | Thomas Thrainer | env["NETWORK_MAC_PREFIX"] = mac_prefix
|
69 | 37dc17e3 | Thomas Thrainer | if tags:
|
70 | 37dc17e3 | Thomas Thrainer | env["NETWORK_TAGS"] = " ".join(tags) |
71 | 37dc17e3 | Thomas Thrainer | |
72 | 37dc17e3 | Thomas Thrainer | return env
|
73 | 37dc17e3 | Thomas Thrainer | |
74 | 37dc17e3 | Thomas Thrainer | |
75 | 37dc17e3 | Thomas Thrainer | class LUNetworkAdd(LogicalUnit): |
76 | 37dc17e3 | Thomas Thrainer | """Logical unit for creating networks.
|
77 | 37dc17e3 | Thomas Thrainer |
|
78 | 37dc17e3 | Thomas Thrainer | """
|
79 | 37dc17e3 | Thomas Thrainer | HPATH = "network-add"
|
80 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
81 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
82 | 37dc17e3 | Thomas Thrainer | |
83 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
84 | 37dc17e3 | Thomas Thrainer | """Build hooks nodes.
|
85 | 37dc17e3 | Thomas Thrainer |
|
86 | 37dc17e3 | Thomas Thrainer | """
|
87 | 37dc17e3 | Thomas Thrainer | mn = self.cfg.GetMasterNode()
|
88 | 37dc17e3 | Thomas Thrainer | return ([mn], [mn])
|
89 | 37dc17e3 | Thomas Thrainer | |
90 | 37dc17e3 | Thomas Thrainer | def CheckArguments(self): |
91 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix: |
92 | 37dc17e3 | Thomas Thrainer | self.op.mac_prefix = \
|
93 | 37dc17e3 | Thomas Thrainer | utils.NormalizeAndValidateThreeOctetMacPrefix(self.op.mac_prefix)
|
94 | 37dc17e3 | Thomas Thrainer | |
95 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
96 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.GenerateUniqueID(self.proc.GetECId()) |
97 | 37dc17e3 | Thomas Thrainer | |
98 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
99 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE] = 1 |
100 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE_ALLOC] = 1 |
101 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
102 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODE: locking.ALL_SET, |
103 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODE_ALLOC: locking.ALL_SET, |
104 | 37dc17e3 | Thomas Thrainer | } |
105 | 37dc17e3 | Thomas Thrainer | else:
|
106 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {}
|
107 | 37dc17e3 | Thomas Thrainer | |
108 | 37dc17e3 | Thomas Thrainer | self.add_locks[locking.LEVEL_NETWORK] = self.network_uuid |
109 | 37dc17e3 | Thomas Thrainer | |
110 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
111 | 37dc17e3 | Thomas Thrainer | if self.op.network is None: |
112 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Network must be given", |
113 | 37dc17e3 | Thomas Thrainer | errors.ECODE_INVAL) |
114 | 37dc17e3 | Thomas Thrainer | |
115 | 37dc17e3 | Thomas Thrainer | try:
|
116 | 37dc17e3 | Thomas Thrainer | existing_uuid = self.cfg.LookupNetwork(self.op.network_name) |
117 | 37dc17e3 | Thomas Thrainer | except errors.OpPrereqError:
|
118 | 37dc17e3 | Thomas Thrainer | pass
|
119 | 37dc17e3 | Thomas Thrainer | else:
|
120 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Desired network name '%s' already exists as a" |
121 | 37dc17e3 | Thomas Thrainer | " network (UUID: %s)" %
|
122 | 37dc17e3 | Thomas Thrainer | (self.op.network_name, existing_uuid),
|
123 | 37dc17e3 | Thomas Thrainer | errors.ECODE_EXISTS) |
124 | 37dc17e3 | Thomas Thrainer | |
125 | 37dc17e3 | Thomas Thrainer | # Check tag validity
|
126 | 37dc17e3 | Thomas Thrainer | for tag in self.op.tags: |
127 | 37dc17e3 | Thomas Thrainer | objects.TaggableObject.ValidateTag(tag) |
128 | 37dc17e3 | Thomas Thrainer | |
129 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
130 | 37dc17e3 | Thomas Thrainer | """Build hooks env.
|
131 | 37dc17e3 | Thomas Thrainer |
|
132 | 37dc17e3 | Thomas Thrainer | """
|
133 | 37dc17e3 | Thomas Thrainer | args = { |
134 | 37dc17e3 | Thomas Thrainer | "name": self.op.network_name, |
135 | 37dc17e3 | Thomas Thrainer | "subnet": self.op.network, |
136 | 37dc17e3 | Thomas Thrainer | "gateway": self.op.gateway, |
137 | 37dc17e3 | Thomas Thrainer | "network6": self.op.network6, |
138 | 37dc17e3 | Thomas Thrainer | "gateway6": self.op.gateway6, |
139 | 37dc17e3 | Thomas Thrainer | "mac_prefix": self.op.mac_prefix, |
140 | 37dc17e3 | Thomas Thrainer | "tags": self.op.tags, |
141 | 37dc17e3 | Thomas Thrainer | } |
142 | 37dc17e3 | Thomas Thrainer | return _BuildNetworkHookEnv(**args) # pylint: disable=W0142 |
143 | 37dc17e3 | Thomas Thrainer | |
144 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
145 | 37dc17e3 | Thomas Thrainer | """Add the ip pool to the cluster.
|
146 | 37dc17e3 | Thomas Thrainer |
|
147 | 37dc17e3 | Thomas Thrainer | """
|
148 | 37dc17e3 | Thomas Thrainer | nobj = objects.Network(name=self.op.network_name,
|
149 | 37dc17e3 | Thomas Thrainer | network=self.op.network,
|
150 | 37dc17e3 | Thomas Thrainer | gateway=self.op.gateway,
|
151 | 37dc17e3 | Thomas Thrainer | network6=self.op.network6,
|
152 | 37dc17e3 | Thomas Thrainer | gateway6=self.op.gateway6,
|
153 | 37dc17e3 | Thomas Thrainer | mac_prefix=self.op.mac_prefix,
|
154 | 37dc17e3 | Thomas Thrainer | uuid=self.network_uuid)
|
155 | 37dc17e3 | Thomas Thrainer | # Initialize the associated address pool
|
156 | 37dc17e3 | Thomas Thrainer | try:
|
157 | 37dc17e3 | Thomas Thrainer | pool = network.AddressPool.InitializeNetwork(nobj) |
158 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
159 | 37dc17e3 | Thomas Thrainer | raise errors.OpExecError("Cannot create IP address pool for network" |
160 | 37dc17e3 | Thomas Thrainer | " '%s': %s" % (self.op.network_name, err)) |
161 | 37dc17e3 | Thomas Thrainer | |
162 | 37dc17e3 | Thomas Thrainer | # Check if we need to reserve the nodes and the cluster master IP
|
163 | 37dc17e3 | Thomas Thrainer | # These may not be allocated to any instances in routed mode, as
|
164 | 37dc17e3 | Thomas Thrainer | # they wouldn't function anyway.
|
165 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
166 | 37dc17e3 | Thomas Thrainer | for node in self.cfg.GetAllNodesInfo().values(): |
167 | 37dc17e3 | Thomas Thrainer | for ip in [node.primary_ip, node.secondary_ip]: |
168 | 37dc17e3 | Thomas Thrainer | try:
|
169 | 37dc17e3 | Thomas Thrainer | if pool.Contains(ip):
|
170 | 28d466dc | Dimitris Aragiorgis | pool.Reserve(ip, external=True)
|
171 | 37dc17e3 | Thomas Thrainer | self.LogInfo("Reserved IP address of node '%s' (%s)", |
172 | 37dc17e3 | Thomas Thrainer | node.name, ip) |
173 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
174 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot reserve IP address '%s' of node '%s': %s", |
175 | 37dc17e3 | Thomas Thrainer | ip, node.name, err) |
176 | 37dc17e3 | Thomas Thrainer | |
177 | 37dc17e3 | Thomas Thrainer | master_ip = self.cfg.GetClusterInfo().master_ip
|
178 | 37dc17e3 | Thomas Thrainer | try:
|
179 | 37dc17e3 | Thomas Thrainer | if pool.Contains(master_ip):
|
180 | 28d466dc | Dimitris Aragiorgis | pool.Reserve(master_ip, external=True)
|
181 | 37dc17e3 | Thomas Thrainer | self.LogInfo("Reserved cluster master IP address (%s)", master_ip) |
182 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
183 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot reserve cluster master IP address (%s): %s", |
184 | 37dc17e3 | Thomas Thrainer | master_ip, err) |
185 | 37dc17e3 | Thomas Thrainer | |
186 | 37dc17e3 | Thomas Thrainer | if self.op.add_reserved_ips: |
187 | 37dc17e3 | Thomas Thrainer | for ip in self.op.add_reserved_ips: |
188 | 37dc17e3 | Thomas Thrainer | try:
|
189 | 37dc17e3 | Thomas Thrainer | pool.Reserve(ip, external=True)
|
190 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
191 | 37dc17e3 | Thomas Thrainer | raise errors.OpExecError("Cannot reserve IP address '%s': %s" % |
192 | 37dc17e3 | Thomas Thrainer | (ip, err)) |
193 | 37dc17e3 | Thomas Thrainer | |
194 | 37dc17e3 | Thomas Thrainer | if self.op.tags: |
195 | 37dc17e3 | Thomas Thrainer | for tag in self.op.tags: |
196 | 37dc17e3 | Thomas Thrainer | nobj.AddTag(tag) |
197 | 37dc17e3 | Thomas Thrainer | |
198 | 37dc17e3 | Thomas Thrainer | self.cfg.AddNetwork(nobj, self.proc.GetECId(), check_uuid=False) |
199 | 37dc17e3 | Thomas Thrainer | del self.remove_locks[locking.LEVEL_NETWORK] |
200 | 37dc17e3 | Thomas Thrainer | |
201 | 37dc17e3 | Thomas Thrainer | |
202 | 37dc17e3 | Thomas Thrainer | class LUNetworkRemove(LogicalUnit): |
203 | 37dc17e3 | Thomas Thrainer | HPATH = "network-remove"
|
204 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
205 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
206 | 37dc17e3 | Thomas Thrainer | |
207 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
208 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.op.network_name) |
209 | 37dc17e3 | Thomas Thrainer | |
210 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODEGROUP] = 1 |
211 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
212 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NETWORK: [self.network_uuid],
|
213 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODEGROUP: locking.ALL_SET, |
214 | 37dc17e3 | Thomas Thrainer | } |
215 | 37dc17e3 | Thomas Thrainer | |
216 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
217 | 37dc17e3 | Thomas Thrainer | """Check prerequisites.
|
218 | 37dc17e3 | Thomas Thrainer |
|
219 | 37dc17e3 | Thomas Thrainer | This checks that the given network name exists as a network, that is
|
220 | 37dc17e3 | Thomas Thrainer | empty (i.e., contains no nodes), and that is not the last group of the
|
221 | 37dc17e3 | Thomas Thrainer | cluster.
|
222 | 37dc17e3 | Thomas Thrainer |
|
223 | 37dc17e3 | Thomas Thrainer | """
|
224 | 37dc17e3 | Thomas Thrainer | # Verify that the network is not conncted.
|
225 | 37dc17e3 | Thomas Thrainer | node_groups = [group.name |
226 | 37dc17e3 | Thomas Thrainer | for group in self.cfg.GetAllNodeGroupsInfo().values() |
227 | 37dc17e3 | Thomas Thrainer | if self.network_uuid in group.networks] |
228 | 37dc17e3 | Thomas Thrainer | |
229 | 37dc17e3 | Thomas Thrainer | if node_groups:
|
230 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Network '%s' is connected to the following" |
231 | 37dc17e3 | Thomas Thrainer | " node groups: %s" %
|
232 | 37dc17e3 | Thomas Thrainer | (self.op.network_name,
|
233 | 37dc17e3 | Thomas Thrainer | utils.CommaJoin(utils.NiceSort(node_groups)))) |
234 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Network still connected", errors.ECODE_STATE) |
235 | 37dc17e3 | Thomas Thrainer | |
236 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
237 | 37dc17e3 | Thomas Thrainer | """Build hooks env.
|
238 | 37dc17e3 | Thomas Thrainer |
|
239 | 37dc17e3 | Thomas Thrainer | """
|
240 | 37dc17e3 | Thomas Thrainer | return {
|
241 | 37dc17e3 | Thomas Thrainer | "NETWORK_NAME": self.op.network_name, |
242 | 37dc17e3 | Thomas Thrainer | } |
243 | 37dc17e3 | Thomas Thrainer | |
244 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
245 | 37dc17e3 | Thomas Thrainer | """Build hooks nodes.
|
246 | 37dc17e3 | Thomas Thrainer |
|
247 | 37dc17e3 | Thomas Thrainer | """
|
248 | 37dc17e3 | Thomas Thrainer | mn = self.cfg.GetMasterNode()
|
249 | 37dc17e3 | Thomas Thrainer | return ([mn], [mn])
|
250 | 37dc17e3 | Thomas Thrainer | |
251 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
252 | 37dc17e3 | Thomas Thrainer | """Remove the network.
|
253 | 37dc17e3 | Thomas Thrainer |
|
254 | 37dc17e3 | Thomas Thrainer | """
|
255 | 37dc17e3 | Thomas Thrainer | try:
|
256 | 37dc17e3 | Thomas Thrainer | self.cfg.RemoveNetwork(self.network_uuid) |
257 | 37dc17e3 | Thomas Thrainer | except errors.ConfigurationError:
|
258 | 37dc17e3 | Thomas Thrainer | raise errors.OpExecError("Network '%s' with UUID %s disappeared" % |
259 | 37dc17e3 | Thomas Thrainer | (self.op.network_name, self.network_uuid)) |
260 | 37dc17e3 | Thomas Thrainer | |
261 | 37dc17e3 | Thomas Thrainer | |
262 | 37dc17e3 | Thomas Thrainer | class LUNetworkSetParams(LogicalUnit): |
263 | 37dc17e3 | Thomas Thrainer | """Modifies the parameters of a network.
|
264 | 37dc17e3 | Thomas Thrainer |
|
265 | 37dc17e3 | Thomas Thrainer | """
|
266 | 37dc17e3 | Thomas Thrainer | HPATH = "network-modify"
|
267 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
268 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
269 | 37dc17e3 | Thomas Thrainer | |
270 | 37dc17e3 | Thomas Thrainer | def CheckArguments(self): |
271 | 37dc17e3 | Thomas Thrainer | if (self.op.gateway and |
272 | 37dc17e3 | Thomas Thrainer | (self.op.add_reserved_ips or self.op.remove_reserved_ips)): |
273 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Cannot modify gateway and reserved ips" |
274 | 37dc17e3 | Thomas Thrainer | " at once", errors.ECODE_INVAL)
|
275 | 37dc17e3 | Thomas Thrainer | |
276 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
277 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.op.network_name) |
278 | 37dc17e3 | Thomas Thrainer | |
279 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
280 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NETWORK: [self.network_uuid],
|
281 | 37dc17e3 | Thomas Thrainer | } |
282 | 37dc17e3 | Thomas Thrainer | |
283 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
284 | 37dc17e3 | Thomas Thrainer | """Check prerequisites.
|
285 | 37dc17e3 | Thomas Thrainer |
|
286 | 37dc17e3 | Thomas Thrainer | """
|
287 | 37dc17e3 | Thomas Thrainer | self.network = self.cfg.GetNetwork(self.network_uuid) |
288 | 37dc17e3 | Thomas Thrainer | self.gateway = self.network.gateway |
289 | 37dc17e3 | Thomas Thrainer | self.mac_prefix = self.network.mac_prefix |
290 | 37dc17e3 | Thomas Thrainer | self.network6 = self.network.network6 |
291 | 37dc17e3 | Thomas Thrainer | self.gateway6 = self.network.gateway6 |
292 | 37dc17e3 | Thomas Thrainer | self.tags = self.network.tags |
293 | 37dc17e3 | Thomas Thrainer | |
294 | 37dc17e3 | Thomas Thrainer | self.pool = network.AddressPool(self.network) |
295 | 37dc17e3 | Thomas Thrainer | |
296 | 37dc17e3 | Thomas Thrainer | if self.op.gateway: |
297 | 37dc17e3 | Thomas Thrainer | if self.op.gateway == constants.VALUE_NONE: |
298 | 37dc17e3 | Thomas Thrainer | self.gateway = None |
299 | 37dc17e3 | Thomas Thrainer | else:
|
300 | 37dc17e3 | Thomas Thrainer | self.gateway = self.op.gateway |
301 | 37dc17e3 | Thomas Thrainer | if self.pool.IsReserved(self.gateway): |
302 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Gateway IP address '%s' is already" |
303 | 37dc17e3 | Thomas Thrainer | " reserved" % self.gateway, |
304 | 37dc17e3 | Thomas Thrainer | errors.ECODE_STATE) |
305 | 37dc17e3 | Thomas Thrainer | |
306 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix: |
307 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix == constants.VALUE_NONE: |
308 | 37dc17e3 | Thomas Thrainer | self.mac_prefix = None |
309 | 37dc17e3 | Thomas Thrainer | else:
|
310 | 37dc17e3 | Thomas Thrainer | self.mac_prefix = \
|
311 | 37dc17e3 | Thomas Thrainer | utils.NormalizeAndValidateThreeOctetMacPrefix(self.op.mac_prefix)
|
312 | 37dc17e3 | Thomas Thrainer | |
313 | 37dc17e3 | Thomas Thrainer | if self.op.gateway6: |
314 | 37dc17e3 | Thomas Thrainer | if self.op.gateway6 == constants.VALUE_NONE: |
315 | 37dc17e3 | Thomas Thrainer | self.gateway6 = None |
316 | 37dc17e3 | Thomas Thrainer | else:
|
317 | 37dc17e3 | Thomas Thrainer | self.gateway6 = self.op.gateway6 |
318 | 37dc17e3 | Thomas Thrainer | |
319 | 37dc17e3 | Thomas Thrainer | if self.op.network6: |
320 | 37dc17e3 | Thomas Thrainer | if self.op.network6 == constants.VALUE_NONE: |
321 | 37dc17e3 | Thomas Thrainer | self.network6 = None |
322 | 37dc17e3 | Thomas Thrainer | else:
|
323 | 37dc17e3 | Thomas Thrainer | self.network6 = self.op.network6 |
324 | 37dc17e3 | Thomas Thrainer | |
325 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
326 | 37dc17e3 | Thomas Thrainer | """Build hooks env.
|
327 | 37dc17e3 | Thomas Thrainer |
|
328 | 37dc17e3 | Thomas Thrainer | """
|
329 | 37dc17e3 | Thomas Thrainer | args = { |
330 | 37dc17e3 | Thomas Thrainer | "name": self.op.network_name, |
331 | 37dc17e3 | Thomas Thrainer | "subnet": self.network.network, |
332 | 37dc17e3 | Thomas Thrainer | "gateway": self.gateway, |
333 | 37dc17e3 | Thomas Thrainer | "network6": self.network6, |
334 | 37dc17e3 | Thomas Thrainer | "gateway6": self.gateway6, |
335 | 37dc17e3 | Thomas Thrainer | "mac_prefix": self.mac_prefix, |
336 | 37dc17e3 | Thomas Thrainer | "tags": self.tags, |
337 | 37dc17e3 | Thomas Thrainer | } |
338 | 37dc17e3 | Thomas Thrainer | return _BuildNetworkHookEnv(**args) # pylint: disable=W0142 |
339 | 37dc17e3 | Thomas Thrainer | |
340 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
341 | 37dc17e3 | Thomas Thrainer | """Build hooks nodes.
|
342 | 37dc17e3 | Thomas Thrainer |
|
343 | 37dc17e3 | Thomas Thrainer | """
|
344 | 37dc17e3 | Thomas Thrainer | mn = self.cfg.GetMasterNode()
|
345 | 37dc17e3 | Thomas Thrainer | return ([mn], [mn])
|
346 | 37dc17e3 | Thomas Thrainer | |
347 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
348 | 37dc17e3 | Thomas Thrainer | """Modifies the network.
|
349 | 37dc17e3 | Thomas Thrainer |
|
350 | 37dc17e3 | Thomas Thrainer | """
|
351 | 37dc17e3 | Thomas Thrainer | #TODO: reserve/release via temporary reservation manager
|
352 | 37dc17e3 | Thomas Thrainer | # extend cfg.ReserveIp/ReleaseIp with the external flag
|
353 | 37dc17e3 | Thomas Thrainer | if self.op.gateway: |
354 | 37dc17e3 | Thomas Thrainer | if self.gateway == self.network.gateway: |
355 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Gateway is already %s", self.gateway) |
356 | 37dc17e3 | Thomas Thrainer | else:
|
357 | 37dc17e3 | Thomas Thrainer | if self.gateway: |
358 | 37dc17e3 | Thomas Thrainer | self.pool.Reserve(self.gateway, external=True) |
359 | 37dc17e3 | Thomas Thrainer | if self.network.gateway: |
360 | 37dc17e3 | Thomas Thrainer | self.pool.Release(self.network.gateway, external=True) |
361 | 37dc17e3 | Thomas Thrainer | self.network.gateway = self.gateway |
362 | 37dc17e3 | Thomas Thrainer | |
363 | 37dc17e3 | Thomas Thrainer | if self.op.add_reserved_ips: |
364 | 37dc17e3 | Thomas Thrainer | for ip in self.op.add_reserved_ips: |
365 | 37dc17e3 | Thomas Thrainer | try:
|
366 | 031d2db1 | Dimitris Aragiorgis | self.pool.Reserve(ip, external=True) |
367 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
368 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot reserve IP address %s: %s", ip, err) |
369 | 37dc17e3 | Thomas Thrainer | |
370 | 37dc17e3 | Thomas Thrainer | if self.op.remove_reserved_ips: |
371 | 37dc17e3 | Thomas Thrainer | for ip in self.op.remove_reserved_ips: |
372 | 37dc17e3 | Thomas Thrainer | if ip == self.network.gateway: |
373 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot unreserve Gateway's IP") |
374 | 37dc17e3 | Thomas Thrainer | continue
|
375 | 37dc17e3 | Thomas Thrainer | try:
|
376 | 031d2db1 | Dimitris Aragiorgis | self.pool.Release(ip, external=True) |
377 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
378 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot release IP address %s: %s", ip, err) |
379 | 37dc17e3 | Thomas Thrainer | |
380 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix: |
381 | 37dc17e3 | Thomas Thrainer | self.network.mac_prefix = self.mac_prefix |
382 | 37dc17e3 | Thomas Thrainer | |
383 | 37dc17e3 | Thomas Thrainer | if self.op.network6: |
384 | 37dc17e3 | Thomas Thrainer | self.network.network6 = self.network6 |
385 | 37dc17e3 | Thomas Thrainer | |
386 | 37dc17e3 | Thomas Thrainer | if self.op.gateway6: |
387 | 37dc17e3 | Thomas Thrainer | self.network.gateway6 = self.gateway6 |
388 | 37dc17e3 | Thomas Thrainer | |
389 | 37dc17e3 | Thomas Thrainer | self.pool.Validate()
|
390 | 37dc17e3 | Thomas Thrainer | |
391 | 37dc17e3 | Thomas Thrainer | self.cfg.Update(self.network, feedback_fn) |
392 | 37dc17e3 | Thomas Thrainer | |
393 | 37dc17e3 | Thomas Thrainer | |
394 | 37dc17e3 | Thomas Thrainer | def _FmtNetworkConflict(details): |
395 | 37dc17e3 | Thomas Thrainer | """Utility for L{_NetworkConflictCheck}.
|
396 | 37dc17e3 | Thomas Thrainer |
|
397 | 37dc17e3 | Thomas Thrainer | """
|
398 | 37dc17e3 | Thomas Thrainer | return utils.CommaJoin("nic%s/%s" % (idx, ipaddr) |
399 | 37dc17e3 | Thomas Thrainer | for (idx, ipaddr) in details) |
400 | 37dc17e3 | Thomas Thrainer | |
401 | 37dc17e3 | Thomas Thrainer | |
402 | 37dc17e3 | Thomas Thrainer | def _NetworkConflictCheck(lu, check_fn, action, instances): |
403 | 37dc17e3 | Thomas Thrainer | """Checks for network interface conflicts with a network.
|
404 | 37dc17e3 | Thomas Thrainer |
|
405 | 37dc17e3 | Thomas Thrainer | @type lu: L{LogicalUnit}
|
406 | 37dc17e3 | Thomas Thrainer | @type check_fn: callable receiving one parameter (L{objects.NIC}) and
|
407 | 37dc17e3 | Thomas Thrainer | returning boolean
|
408 | 37dc17e3 | Thomas Thrainer | @param check_fn: Function checking for conflict
|
409 | 37dc17e3 | Thomas Thrainer | @type action: string
|
410 | 37dc17e3 | Thomas Thrainer | @param action: Part of error message (see code)
|
411 | 3fe41221 | Klaus Aehlig | @param instances: the instances to check
|
412 | 3fe41221 | Klaus Aehlig | @type instances: list of instance objects
|
413 | 37dc17e3 | Thomas Thrainer | @raise errors.OpPrereqError: If conflicting IP addresses are found.
|
414 | 37dc17e3 | Thomas Thrainer |
|
415 | 37dc17e3 | Thomas Thrainer | """
|
416 | 37dc17e3 | Thomas Thrainer | conflicts = [] |
417 | 37dc17e3 | Thomas Thrainer | |
418 | da4a52a3 | Thomas Thrainer | for instance in instances: |
419 | 37dc17e3 | Thomas Thrainer | instconflicts = [(idx, nic.ip) |
420 | 37dc17e3 | Thomas Thrainer | for (idx, nic) in enumerate(instance.nics) |
421 | 37dc17e3 | Thomas Thrainer | if check_fn(nic)]
|
422 | 37dc17e3 | Thomas Thrainer | |
423 | 37dc17e3 | Thomas Thrainer | if instconflicts:
|
424 | 37dc17e3 | Thomas Thrainer | conflicts.append((instance.name, instconflicts)) |
425 | 37dc17e3 | Thomas Thrainer | |
426 | 37dc17e3 | Thomas Thrainer | if conflicts:
|
427 | 37dc17e3 | Thomas Thrainer | lu.LogWarning("IP addresses from network '%s', which is about to %s"
|
428 | 37dc17e3 | Thomas Thrainer | " node group '%s', are in use: %s" %
|
429 | 37dc17e3 | Thomas Thrainer | (lu.network_name, action, lu.group.name, |
430 | 37dc17e3 | Thomas Thrainer | utils.CommaJoin(("%s: %s" %
|
431 | 37dc17e3 | Thomas Thrainer | (name, _FmtNetworkConflict(details))) |
432 | 37dc17e3 | Thomas Thrainer | for (name, details) in conflicts))) |
433 | 37dc17e3 | Thomas Thrainer | |
434 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Conflicting IP addresses found; " |
435 | 37dc17e3 | Thomas Thrainer | " remove/modify the corresponding network"
|
436 | 37dc17e3 | Thomas Thrainer | " interfaces", errors.ECODE_STATE)
|
437 | 37dc17e3 | Thomas Thrainer | |
438 | 37dc17e3 | Thomas Thrainer | |
439 | 37dc17e3 | Thomas Thrainer | class LUNetworkConnect(LogicalUnit): |
440 | 37dc17e3 | Thomas Thrainer | """Connect a network to a nodegroup
|
441 | 37dc17e3 | Thomas Thrainer |
|
442 | 37dc17e3 | Thomas Thrainer | """
|
443 | 37dc17e3 | Thomas Thrainer | HPATH = "network-connect"
|
444 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
445 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
446 | 37dc17e3 | Thomas Thrainer | |
447 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
448 | 37dc17e3 | Thomas Thrainer | self.network_name = self.op.network_name |
449 | 37dc17e3 | Thomas Thrainer | self.group_name = self.op.group_name |
450 | 37dc17e3 | Thomas Thrainer | self.network_mode = self.op.network_mode |
451 | 37dc17e3 | Thomas Thrainer | self.network_link = self.op.network_link |
452 | 37dc17e3 | Thomas Thrainer | |
453 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.network_name) |
454 | 37dc17e3 | Thomas Thrainer | self.group_uuid = self.cfg.LookupNodeGroup(self.group_name) |
455 | 37dc17e3 | Thomas Thrainer | |
456 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
457 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_INSTANCE: [], |
458 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODEGROUP: [self.group_uuid],
|
459 | 37dc17e3 | Thomas Thrainer | } |
460 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
461 | 37dc17e3 | Thomas Thrainer | |
462 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
463 | 37dc17e3 | Thomas Thrainer | self.needed_locks[locking.LEVEL_NETWORK] = [self.network_uuid] |
464 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NETWORK] = 1 |
465 | 37dc17e3 | Thomas Thrainer | |
466 | 37dc17e3 | Thomas Thrainer | def DeclareLocks(self, level): |
467 | 37dc17e3 | Thomas Thrainer | if level == locking.LEVEL_INSTANCE:
|
468 | 37dc17e3 | Thomas Thrainer | assert not self.needed_locks[locking.LEVEL_INSTANCE] |
469 | 37dc17e3 | Thomas Thrainer | |
470 | 37dc17e3 | Thomas Thrainer | # Lock instances optimistically, needs verification once group lock has
|
471 | 37dc17e3 | Thomas Thrainer | # been acquired
|
472 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
473 | 37dc17e3 | Thomas Thrainer | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
474 | da4a52a3 | Thomas Thrainer | self.cfg.GetInstanceNames(
|
475 | da4a52a3 | Thomas Thrainer | self.cfg.GetNodeGroupInstances(self.group_uuid)) |
476 | 37dc17e3 | Thomas Thrainer | |
477 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
478 | 37dc17e3 | Thomas Thrainer | ret = { |
479 | 37dc17e3 | Thomas Thrainer | "GROUP_NAME": self.group_name, |
480 | 37dc17e3 | Thomas Thrainer | "GROUP_NETWORK_MODE": self.network_mode, |
481 | 37dc17e3 | Thomas Thrainer | "GROUP_NETWORK_LINK": self.network_link, |
482 | 37dc17e3 | Thomas Thrainer | } |
483 | 37dc17e3 | Thomas Thrainer | return ret
|
484 | 37dc17e3 | Thomas Thrainer | |
485 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
486 | 1c3231aa | Thomas Thrainer | node_uuids = self.cfg.GetNodeGroup(self.group_uuid).members |
487 | 1c3231aa | Thomas Thrainer | return (node_uuids, node_uuids)
|
488 | 37dc17e3 | Thomas Thrainer | |
489 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
490 | 37dc17e3 | Thomas Thrainer | owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP)) |
491 | 37dc17e3 | Thomas Thrainer | |
492 | 37dc17e3 | Thomas Thrainer | assert self.group_uuid in owned_groups |
493 | 37dc17e3 | Thomas Thrainer | |
494 | 37dc17e3 | Thomas Thrainer | # Check if locked instances are still correct
|
495 | da4a52a3 | Thomas Thrainer | owned_instance_names = frozenset(self.owned_locks(locking.LEVEL_INSTANCE)) |
496 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
497 | da4a52a3 | Thomas Thrainer | CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instance_names) |
498 | 37dc17e3 | Thomas Thrainer | |
499 | 37dc17e3 | Thomas Thrainer | self.netparams = {
|
500 | 37dc17e3 | Thomas Thrainer | constants.NIC_MODE: self.network_mode,
|
501 | 37dc17e3 | Thomas Thrainer | constants.NIC_LINK: self.network_link,
|
502 | 37dc17e3 | Thomas Thrainer | } |
503 | 37dc17e3 | Thomas Thrainer | objects.NIC.CheckParameterSyntax(self.netparams)
|
504 | 37dc17e3 | Thomas Thrainer | |
505 | 37dc17e3 | Thomas Thrainer | self.group = self.cfg.GetNodeGroup(self.group_uuid) |
506 | 37dc17e3 | Thomas Thrainer | #if self.network_mode == constants.NIC_MODE_BRIDGED:
|
507 | 37dc17e3 | Thomas Thrainer | # _CheckNodeGroupBridgesExist(self, self.network_link, self.group_uuid)
|
508 | 37dc17e3 | Thomas Thrainer | self.connected = False |
509 | 37dc17e3 | Thomas Thrainer | if self.network_uuid in self.group.networks: |
510 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Network '%s' is already mapped to group '%s'" % |
511 | 37dc17e3 | Thomas Thrainer | (self.network_name, self.group.name)) |
512 | 37dc17e3 | Thomas Thrainer | self.connected = True |
513 | 37dc17e3 | Thomas Thrainer | |
514 | 37dc17e3 | Thomas Thrainer | # check only if not already connected
|
515 | 37dc17e3 | Thomas Thrainer | elif self.op.conflicts_check: |
516 | 37dc17e3 | Thomas Thrainer | pool = network.AddressPool(self.cfg.GetNetwork(self.network_uuid)) |
517 | 37dc17e3 | Thomas Thrainer | |
518 | da4a52a3 | Thomas Thrainer | _NetworkConflictCheck( |
519 | da4a52a3 | Thomas Thrainer | self, lambda nic: pool.Contains(nic.ip), "connect to", |
520 | 3fe41221 | Klaus Aehlig | [instance_info for (_, instance_info) in |
521 | 3fe41221 | Klaus Aehlig | self.cfg.GetMultiInstanceInfoByName(owned_instance_names)])
|
522 | 37dc17e3 | Thomas Thrainer | |
523 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
524 | 37dc17e3 | Thomas Thrainer | # Connect the network and update the group only if not already connected
|
525 | 37dc17e3 | Thomas Thrainer | if not self.connected: |
526 | 37dc17e3 | Thomas Thrainer | self.group.networks[self.network_uuid] = self.netparams |
527 | 37dc17e3 | Thomas Thrainer | self.cfg.Update(self.group, feedback_fn) |
528 | 37dc17e3 | Thomas Thrainer | |
529 | 37dc17e3 | Thomas Thrainer | |
530 | 37dc17e3 | Thomas Thrainer | class LUNetworkDisconnect(LogicalUnit): |
531 | 37dc17e3 | Thomas Thrainer | """Disconnect a network to a nodegroup
|
532 | 37dc17e3 | Thomas Thrainer |
|
533 | 37dc17e3 | Thomas Thrainer | """
|
534 | 37dc17e3 | Thomas Thrainer | HPATH = "network-disconnect"
|
535 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
536 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
537 | 37dc17e3 | Thomas Thrainer | |
538 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
539 | 37dc17e3 | Thomas Thrainer | self.network_name = self.op.network_name |
540 | 37dc17e3 | Thomas Thrainer | self.group_name = self.op.group_name |
541 | 37dc17e3 | Thomas Thrainer | |
542 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.network_name) |
543 | 37dc17e3 | Thomas Thrainer | self.group_uuid = self.cfg.LookupNodeGroup(self.group_name) |
544 | 37dc17e3 | Thomas Thrainer | |
545 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
546 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_INSTANCE: [], |
547 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODEGROUP: [self.group_uuid],
|
548 | 37dc17e3 | Thomas Thrainer | } |
549 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
550 | 37dc17e3 | Thomas Thrainer | |
551 | 37dc17e3 | Thomas Thrainer | def DeclareLocks(self, level): |
552 | 37dc17e3 | Thomas Thrainer | if level == locking.LEVEL_INSTANCE:
|
553 | 37dc17e3 | Thomas Thrainer | assert not self.needed_locks[locking.LEVEL_INSTANCE] |
554 | 37dc17e3 | Thomas Thrainer | |
555 | 37dc17e3 | Thomas Thrainer | # Lock instances optimistically, needs verification once group lock has
|
556 | 37dc17e3 | Thomas Thrainer | # been acquired
|
557 | 37dc17e3 | Thomas Thrainer | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
558 | da4a52a3 | Thomas Thrainer | self.cfg.GetInstanceNames(
|
559 | da4a52a3 | Thomas Thrainer | self.cfg.GetNodeGroupInstances(self.group_uuid)) |
560 | 37dc17e3 | Thomas Thrainer | |
561 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
562 | 37dc17e3 | Thomas Thrainer | ret = { |
563 | 37dc17e3 | Thomas Thrainer | "GROUP_NAME": self.group_name, |
564 | 37dc17e3 | Thomas Thrainer | } |
565 | 37dc17e3 | Thomas Thrainer | return ret
|
566 | 37dc17e3 | Thomas Thrainer | |
567 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
568 | 37dc17e3 | Thomas Thrainer | nodes = self.cfg.GetNodeGroup(self.group_uuid).members |
569 | 37dc17e3 | Thomas Thrainer | return (nodes, nodes)
|
570 | 37dc17e3 | Thomas Thrainer | |
571 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
572 | 37dc17e3 | Thomas Thrainer | owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP)) |
573 | 37dc17e3 | Thomas Thrainer | |
574 | 37dc17e3 | Thomas Thrainer | assert self.group_uuid in owned_groups |
575 | 37dc17e3 | Thomas Thrainer | |
576 | 37dc17e3 | Thomas Thrainer | # Check if locked instances are still correct
|
577 | 37dc17e3 | Thomas Thrainer | owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE)) |
578 | 5eacbcae | Thomas Thrainer | CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances) |
579 | 37dc17e3 | Thomas Thrainer | |
580 | 37dc17e3 | Thomas Thrainer | self.group = self.cfg.GetNodeGroup(self.group_uuid) |
581 | 37dc17e3 | Thomas Thrainer | self.connected = True |
582 | 37dc17e3 | Thomas Thrainer | if self.network_uuid not in self.group.networks: |
583 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Network '%s' is not mapped to group '%s'", |
584 | 37dc17e3 | Thomas Thrainer | self.network_name, self.group.name) |
585 | 37dc17e3 | Thomas Thrainer | self.connected = False |
586 | 37dc17e3 | Thomas Thrainer | |
587 | 37dc17e3 | Thomas Thrainer | # We need this check only if network is not already connected
|
588 | 37dc17e3 | Thomas Thrainer | else:
|
589 | da4a52a3 | Thomas Thrainer | _NetworkConflictCheck( |
590 | da4a52a3 | Thomas Thrainer | self, lambda nic: nic.network == self.network_uuid, "disconnect from", |
591 | 32449822 | Dimitris Aragiorgis | [instance_info for (_, instance_info) in |
592 | e0e44476 | Michele Tartara | self.cfg.GetMultiInstanceInfoByName(owned_instances)])
|
593 | 37dc17e3 | Thomas Thrainer | |
594 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
595 | 37dc17e3 | Thomas Thrainer | # Disconnect the network and update the group only if network is connected
|
596 | 37dc17e3 | Thomas Thrainer | if self.connected: |
597 | 37dc17e3 | Thomas Thrainer | del self.group.networks[self.network_uuid] |
598 | 37dc17e3 | Thomas Thrainer | self.cfg.Update(self.group, feedback_fn) |