root / lib / cmdlib / network.py @ 44ffd981
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1 | 37dc17e3 | Thomas Thrainer | #
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2 | 37dc17e3 | Thomas Thrainer | #
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3 | 37dc17e3 | Thomas Thrainer | |
4 | 37dc17e3 | Thomas Thrainer | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
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5 | 37dc17e3 | Thomas Thrainer | #
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6 | 37dc17e3 | Thomas Thrainer | # This program is free software; you can redistribute it and/or modify
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7 | 37dc17e3 | Thomas Thrainer | # it under the terms of the GNU General Public License as published by
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8 | 37dc17e3 | Thomas Thrainer | # the Free Software Foundation; either version 2 of the License, or
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9 | 37dc17e3 | Thomas Thrainer | # (at your option) any later version.
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10 | 37dc17e3 | Thomas Thrainer | #
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11 | 37dc17e3 | Thomas Thrainer | # This program is distributed in the hope that it will be useful, but
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12 | 37dc17e3 | Thomas Thrainer | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 37dc17e3 | Thomas Thrainer | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 37dc17e3 | Thomas Thrainer | # General Public License for more details.
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15 | 37dc17e3 | Thomas Thrainer | #
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16 | 37dc17e3 | Thomas Thrainer | # You should have received a copy of the GNU General Public License
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17 | 37dc17e3 | Thomas Thrainer | # along with this program; if not, write to the Free Software
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18 | 37dc17e3 | Thomas Thrainer | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 37dc17e3 | Thomas Thrainer | # 02110-1301, USA.
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20 | 37dc17e3 | Thomas Thrainer | |
21 | 37dc17e3 | Thomas Thrainer | |
22 | 37dc17e3 | Thomas Thrainer | """Logical units dealing with networks."""
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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 query |
30 | 37dc17e3 | Thomas Thrainer | from ganeti import utils |
31 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.base import LogicalUnit, NoHooksLU, QueryBase |
32 | 44ffd981 | Helga Velroyen | from ganeti.cmdlib.common import CheckNodeGroupInstances |
33 | 37dc17e3 | Thomas Thrainer | |
34 | 37dc17e3 | Thomas Thrainer | |
35 | 37dc17e3 | Thomas Thrainer | def _BuildNetworkHookEnv(name, subnet, gateway, network6, gateway6, |
36 | 37dc17e3 | Thomas Thrainer | mac_prefix, tags): |
37 | 37dc17e3 | Thomas Thrainer | """Builds network related env variables for hooks
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38 | 37dc17e3 | Thomas Thrainer |
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39 | 37dc17e3 | Thomas Thrainer | This builds the hook environment from individual variables.
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40 | 37dc17e3 | Thomas Thrainer |
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41 | 37dc17e3 | Thomas Thrainer | @type name: string
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42 | 37dc17e3 | Thomas Thrainer | @param name: the name of the network
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43 | 37dc17e3 | Thomas Thrainer | @type subnet: string
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44 | 37dc17e3 | Thomas Thrainer | @param subnet: the ipv4 subnet
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45 | 37dc17e3 | Thomas Thrainer | @type gateway: string
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46 | 37dc17e3 | Thomas Thrainer | @param gateway: the ipv4 gateway
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47 | 37dc17e3 | Thomas Thrainer | @type network6: string
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48 | 37dc17e3 | Thomas Thrainer | @param network6: the ipv6 subnet
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49 | 37dc17e3 | Thomas Thrainer | @type gateway6: string
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50 | 37dc17e3 | Thomas Thrainer | @param gateway6: the ipv6 gateway
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51 | 37dc17e3 | Thomas Thrainer | @type mac_prefix: string
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52 | 37dc17e3 | Thomas Thrainer | @param mac_prefix: the mac_prefix
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53 | 37dc17e3 | Thomas Thrainer | @type tags: list
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54 | 37dc17e3 | Thomas Thrainer | @param tags: the tags of the network
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55 | 37dc17e3 | Thomas Thrainer |
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56 | 37dc17e3 | Thomas Thrainer | """
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57 | 37dc17e3 | Thomas Thrainer | env = {} |
58 | 37dc17e3 | Thomas Thrainer | if name:
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59 | 37dc17e3 | Thomas Thrainer | env["NETWORK_NAME"] = name
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60 | 37dc17e3 | Thomas Thrainer | if subnet:
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61 | 37dc17e3 | Thomas Thrainer | env["NETWORK_SUBNET"] = subnet
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62 | 37dc17e3 | Thomas Thrainer | if gateway:
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63 | 37dc17e3 | Thomas Thrainer | env["NETWORK_GATEWAY"] = gateway
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64 | 37dc17e3 | Thomas Thrainer | if network6:
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65 | 37dc17e3 | Thomas Thrainer | env["NETWORK_SUBNET6"] = network6
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66 | 37dc17e3 | Thomas Thrainer | if gateway6:
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67 | 37dc17e3 | Thomas Thrainer | env["NETWORK_GATEWAY6"] = gateway6
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68 | 37dc17e3 | Thomas Thrainer | if mac_prefix:
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69 | 37dc17e3 | Thomas Thrainer | env["NETWORK_MAC_PREFIX"] = mac_prefix
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70 | 37dc17e3 | Thomas Thrainer | if tags:
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71 | 37dc17e3 | Thomas Thrainer | env["NETWORK_TAGS"] = " ".join(tags) |
72 | 37dc17e3 | Thomas Thrainer | |
73 | 37dc17e3 | Thomas Thrainer | return env
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74 | 37dc17e3 | Thomas Thrainer | |
75 | 37dc17e3 | Thomas Thrainer | |
76 | 37dc17e3 | Thomas Thrainer | class LUNetworkAdd(LogicalUnit): |
77 | 37dc17e3 | Thomas Thrainer | """Logical unit for creating networks.
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78 | 37dc17e3 | Thomas Thrainer |
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79 | 37dc17e3 | Thomas Thrainer | """
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80 | 37dc17e3 | Thomas Thrainer | HPATH = "network-add"
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81 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
82 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
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83 | 37dc17e3 | Thomas Thrainer | |
84 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
85 | 37dc17e3 | Thomas Thrainer | """Build hooks nodes.
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86 | 37dc17e3 | Thomas Thrainer |
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87 | 37dc17e3 | Thomas Thrainer | """
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88 | 37dc17e3 | Thomas Thrainer | mn = self.cfg.GetMasterNode()
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89 | 37dc17e3 | Thomas Thrainer | return ([mn], [mn])
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90 | 37dc17e3 | Thomas Thrainer | |
91 | 37dc17e3 | Thomas Thrainer | def CheckArguments(self): |
92 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix: |
93 | 37dc17e3 | Thomas Thrainer | self.op.mac_prefix = \
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94 | 37dc17e3 | Thomas Thrainer | utils.NormalizeAndValidateThreeOctetMacPrefix(self.op.mac_prefix)
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95 | 37dc17e3 | Thomas Thrainer | |
96 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
97 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.GenerateUniqueID(self.proc.GetECId()) |
98 | 37dc17e3 | Thomas Thrainer | |
99 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
100 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE] = 1 |
101 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE_ALLOC] = 1 |
102 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
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103 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODE: locking.ALL_SET, |
104 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODE_ALLOC: locking.ALL_SET, |
105 | 37dc17e3 | Thomas Thrainer | } |
106 | 37dc17e3 | Thomas Thrainer | else:
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107 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {}
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108 | 37dc17e3 | Thomas Thrainer | |
109 | 37dc17e3 | Thomas Thrainer | self.add_locks[locking.LEVEL_NETWORK] = self.network_uuid |
110 | 37dc17e3 | Thomas Thrainer | |
111 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
112 | 37dc17e3 | Thomas Thrainer | if self.op.network is None: |
113 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Network must be given", |
114 | 37dc17e3 | Thomas Thrainer | errors.ECODE_INVAL) |
115 | 37dc17e3 | Thomas Thrainer | |
116 | 37dc17e3 | Thomas Thrainer | try:
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117 | 37dc17e3 | Thomas Thrainer | existing_uuid = self.cfg.LookupNetwork(self.op.network_name) |
118 | 37dc17e3 | Thomas Thrainer | except errors.OpPrereqError:
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119 | 37dc17e3 | Thomas Thrainer | pass
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120 | 37dc17e3 | Thomas Thrainer | else:
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121 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Desired network name '%s' already exists as a" |
122 | 37dc17e3 | Thomas Thrainer | " network (UUID: %s)" %
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123 | 37dc17e3 | Thomas Thrainer | (self.op.network_name, existing_uuid),
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124 | 37dc17e3 | Thomas Thrainer | errors.ECODE_EXISTS) |
125 | 37dc17e3 | Thomas Thrainer | |
126 | 37dc17e3 | Thomas Thrainer | # Check tag validity
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127 | 37dc17e3 | Thomas Thrainer | for tag in self.op.tags: |
128 | 37dc17e3 | Thomas Thrainer | objects.TaggableObject.ValidateTag(tag) |
129 | 37dc17e3 | Thomas Thrainer | |
130 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
131 | 37dc17e3 | Thomas Thrainer | """Build hooks env.
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132 | 37dc17e3 | Thomas Thrainer |
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133 | 37dc17e3 | Thomas Thrainer | """
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134 | 37dc17e3 | Thomas Thrainer | args = { |
135 | 37dc17e3 | Thomas Thrainer | "name": self.op.network_name, |
136 | 37dc17e3 | Thomas Thrainer | "subnet": self.op.network, |
137 | 37dc17e3 | Thomas Thrainer | "gateway": self.op.gateway, |
138 | 37dc17e3 | Thomas Thrainer | "network6": self.op.network6, |
139 | 37dc17e3 | Thomas Thrainer | "gateway6": self.op.gateway6, |
140 | 37dc17e3 | Thomas Thrainer | "mac_prefix": self.op.mac_prefix, |
141 | 37dc17e3 | Thomas Thrainer | "tags": self.op.tags, |
142 | 37dc17e3 | Thomas Thrainer | } |
143 | 37dc17e3 | Thomas Thrainer | return _BuildNetworkHookEnv(**args) # pylint: disable=W0142 |
144 | 37dc17e3 | Thomas Thrainer | |
145 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
146 | 37dc17e3 | Thomas Thrainer | """Add the ip pool to the cluster.
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147 | 37dc17e3 | Thomas Thrainer |
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148 | 37dc17e3 | Thomas Thrainer | """
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149 | 37dc17e3 | Thomas Thrainer | nobj = objects.Network(name=self.op.network_name,
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150 | 37dc17e3 | Thomas Thrainer | network=self.op.network,
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151 | 37dc17e3 | Thomas Thrainer | gateway=self.op.gateway,
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152 | 37dc17e3 | Thomas Thrainer | network6=self.op.network6,
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153 | 37dc17e3 | Thomas Thrainer | gateway6=self.op.gateway6,
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154 | 37dc17e3 | Thomas Thrainer | mac_prefix=self.op.mac_prefix,
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155 | 37dc17e3 | Thomas Thrainer | uuid=self.network_uuid)
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156 | 37dc17e3 | Thomas Thrainer | # Initialize the associated address pool
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157 | 37dc17e3 | Thomas Thrainer | try:
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158 | 37dc17e3 | Thomas Thrainer | pool = network.AddressPool.InitializeNetwork(nobj) |
159 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
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160 | 37dc17e3 | Thomas Thrainer | raise errors.OpExecError("Cannot create IP address pool for network" |
161 | 37dc17e3 | Thomas Thrainer | " '%s': %s" % (self.op.network_name, err)) |
162 | 37dc17e3 | Thomas Thrainer | |
163 | 37dc17e3 | Thomas Thrainer | # Check if we need to reserve the nodes and the cluster master IP
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164 | 37dc17e3 | Thomas Thrainer | # These may not be allocated to any instances in routed mode, as
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165 | 37dc17e3 | Thomas Thrainer | # they wouldn't function anyway.
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166 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
167 | 37dc17e3 | Thomas Thrainer | for node in self.cfg.GetAllNodesInfo().values(): |
168 | 37dc17e3 | Thomas Thrainer | for ip in [node.primary_ip, node.secondary_ip]: |
169 | 37dc17e3 | Thomas Thrainer | try:
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170 | 37dc17e3 | Thomas Thrainer | if pool.Contains(ip):
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171 | 37dc17e3 | Thomas Thrainer | pool.Reserve(ip) |
172 | 37dc17e3 | Thomas Thrainer | self.LogInfo("Reserved IP address of node '%s' (%s)", |
173 | 37dc17e3 | Thomas Thrainer | node.name, ip) |
174 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
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175 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot reserve IP address '%s' of node '%s': %s", |
176 | 37dc17e3 | Thomas Thrainer | ip, node.name, err) |
177 | 37dc17e3 | Thomas Thrainer | |
178 | 37dc17e3 | Thomas Thrainer | master_ip = self.cfg.GetClusterInfo().master_ip
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179 | 37dc17e3 | Thomas Thrainer | try:
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180 | 37dc17e3 | Thomas Thrainer | if pool.Contains(master_ip):
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181 | 37dc17e3 | Thomas Thrainer | pool.Reserve(master_ip) |
182 | 37dc17e3 | Thomas Thrainer | self.LogInfo("Reserved cluster master IP address (%s)", master_ip) |
183 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
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184 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot reserve cluster master IP address (%s): %s", |
185 | 37dc17e3 | Thomas Thrainer | master_ip, err) |
186 | 37dc17e3 | Thomas Thrainer | |
187 | 37dc17e3 | Thomas Thrainer | if self.op.add_reserved_ips: |
188 | 37dc17e3 | Thomas Thrainer | for ip in self.op.add_reserved_ips: |
189 | 37dc17e3 | Thomas Thrainer | try:
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190 | 37dc17e3 | Thomas Thrainer | pool.Reserve(ip, external=True)
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191 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
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192 | 37dc17e3 | Thomas Thrainer | raise errors.OpExecError("Cannot reserve IP address '%s': %s" % |
193 | 37dc17e3 | Thomas Thrainer | (ip, err)) |
194 | 37dc17e3 | Thomas Thrainer | |
195 | 37dc17e3 | Thomas Thrainer | if self.op.tags: |
196 | 37dc17e3 | Thomas Thrainer | for tag in self.op.tags: |
197 | 37dc17e3 | Thomas Thrainer | nobj.AddTag(tag) |
198 | 37dc17e3 | Thomas Thrainer | |
199 | 37dc17e3 | Thomas Thrainer | self.cfg.AddNetwork(nobj, self.proc.GetECId(), check_uuid=False) |
200 | 37dc17e3 | Thomas Thrainer | del self.remove_locks[locking.LEVEL_NETWORK] |
201 | 37dc17e3 | Thomas Thrainer | |
202 | 37dc17e3 | Thomas Thrainer | |
203 | 37dc17e3 | Thomas Thrainer | class LUNetworkRemove(LogicalUnit): |
204 | 37dc17e3 | Thomas Thrainer | HPATH = "network-remove"
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205 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
206 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
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207 | 37dc17e3 | Thomas Thrainer | |
208 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
209 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.op.network_name) |
210 | 37dc17e3 | Thomas Thrainer | |
211 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODEGROUP] = 1 |
212 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
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213 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NETWORK: [self.network_uuid],
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214 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODEGROUP: locking.ALL_SET, |
215 | 37dc17e3 | Thomas Thrainer | } |
216 | 37dc17e3 | Thomas Thrainer | |
217 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
218 | 37dc17e3 | Thomas Thrainer | """Check prerequisites.
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219 | 37dc17e3 | Thomas Thrainer |
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220 | 37dc17e3 | Thomas Thrainer | This checks that the given network name exists as a network, that is
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221 | 37dc17e3 | Thomas Thrainer | empty (i.e., contains no nodes), and that is not the last group of the
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222 | 37dc17e3 | Thomas Thrainer | cluster.
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223 | 37dc17e3 | Thomas Thrainer |
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224 | 37dc17e3 | Thomas Thrainer | """
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225 | 37dc17e3 | Thomas Thrainer | # Verify that the network is not conncted.
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226 | 37dc17e3 | Thomas Thrainer | node_groups = [group.name |
227 | 37dc17e3 | Thomas Thrainer | for group in self.cfg.GetAllNodeGroupsInfo().values() |
228 | 37dc17e3 | Thomas Thrainer | if self.network_uuid in group.networks] |
229 | 37dc17e3 | Thomas Thrainer | |
230 | 37dc17e3 | Thomas Thrainer | if node_groups:
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231 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Network '%s' is connected to the following" |
232 | 37dc17e3 | Thomas Thrainer | " node groups: %s" %
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233 | 37dc17e3 | Thomas Thrainer | (self.op.network_name,
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234 | 37dc17e3 | Thomas Thrainer | utils.CommaJoin(utils.NiceSort(node_groups)))) |
235 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Network still connected", errors.ECODE_STATE) |
236 | 37dc17e3 | Thomas Thrainer | |
237 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
238 | 37dc17e3 | Thomas Thrainer | """Build hooks env.
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239 | 37dc17e3 | Thomas Thrainer |
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240 | 37dc17e3 | Thomas Thrainer | """
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241 | 37dc17e3 | Thomas Thrainer | return {
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242 | 37dc17e3 | Thomas Thrainer | "NETWORK_NAME": self.op.network_name, |
243 | 37dc17e3 | Thomas Thrainer | } |
244 | 37dc17e3 | Thomas Thrainer | |
245 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
246 | 37dc17e3 | Thomas Thrainer | """Build hooks nodes.
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247 | 37dc17e3 | Thomas Thrainer |
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248 | 37dc17e3 | Thomas Thrainer | """
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249 | 37dc17e3 | Thomas Thrainer | mn = self.cfg.GetMasterNode()
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250 | 37dc17e3 | Thomas Thrainer | return ([mn], [mn])
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251 | 37dc17e3 | Thomas Thrainer | |
252 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
253 | 37dc17e3 | Thomas Thrainer | """Remove the network.
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254 | 37dc17e3 | Thomas Thrainer |
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255 | 37dc17e3 | Thomas Thrainer | """
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256 | 37dc17e3 | Thomas Thrainer | try:
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257 | 37dc17e3 | Thomas Thrainer | self.cfg.RemoveNetwork(self.network_uuid) |
258 | 37dc17e3 | Thomas Thrainer | except errors.ConfigurationError:
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259 | 37dc17e3 | Thomas Thrainer | raise errors.OpExecError("Network '%s' with UUID %s disappeared" % |
260 | 37dc17e3 | Thomas Thrainer | (self.op.network_name, self.network_uuid)) |
261 | 37dc17e3 | Thomas Thrainer | |
262 | 37dc17e3 | Thomas Thrainer | |
263 | 37dc17e3 | Thomas Thrainer | class LUNetworkSetParams(LogicalUnit): |
264 | 37dc17e3 | Thomas Thrainer | """Modifies the parameters of a network.
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265 | 37dc17e3 | Thomas Thrainer |
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266 | 37dc17e3 | Thomas Thrainer | """
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267 | 37dc17e3 | Thomas Thrainer | HPATH = "network-modify"
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268 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
269 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
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270 | 37dc17e3 | Thomas Thrainer | |
271 | 37dc17e3 | Thomas Thrainer | def CheckArguments(self): |
272 | 37dc17e3 | Thomas Thrainer | if (self.op.gateway and |
273 | 37dc17e3 | Thomas Thrainer | (self.op.add_reserved_ips or self.op.remove_reserved_ips)): |
274 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Cannot modify gateway and reserved ips" |
275 | 37dc17e3 | Thomas Thrainer | " at once", errors.ECODE_INVAL)
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276 | 37dc17e3 | Thomas Thrainer | |
277 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
278 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.op.network_name) |
279 | 37dc17e3 | Thomas Thrainer | |
280 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
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281 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NETWORK: [self.network_uuid],
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282 | 37dc17e3 | Thomas Thrainer | } |
283 | 37dc17e3 | Thomas Thrainer | |
284 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
285 | 37dc17e3 | Thomas Thrainer | """Check prerequisites.
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286 | 37dc17e3 | Thomas Thrainer |
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287 | 37dc17e3 | Thomas Thrainer | """
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288 | 37dc17e3 | Thomas Thrainer | self.network = self.cfg.GetNetwork(self.network_uuid) |
289 | 37dc17e3 | Thomas Thrainer | self.gateway = self.network.gateway |
290 | 37dc17e3 | Thomas Thrainer | self.mac_prefix = self.network.mac_prefix |
291 | 37dc17e3 | Thomas Thrainer | self.network6 = self.network.network6 |
292 | 37dc17e3 | Thomas Thrainer | self.gateway6 = self.network.gateway6 |
293 | 37dc17e3 | Thomas Thrainer | self.tags = self.network.tags |
294 | 37dc17e3 | Thomas Thrainer | |
295 | 37dc17e3 | Thomas Thrainer | self.pool = network.AddressPool(self.network) |
296 | 37dc17e3 | Thomas Thrainer | |
297 | 37dc17e3 | Thomas Thrainer | if self.op.gateway: |
298 | 37dc17e3 | Thomas Thrainer | if self.op.gateway == constants.VALUE_NONE: |
299 | 37dc17e3 | Thomas Thrainer | self.gateway = None |
300 | 37dc17e3 | Thomas Thrainer | else:
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301 | 37dc17e3 | Thomas Thrainer | self.gateway = self.op.gateway |
302 | 37dc17e3 | Thomas Thrainer | if self.pool.IsReserved(self.gateway): |
303 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Gateway IP address '%s' is already" |
304 | 37dc17e3 | Thomas Thrainer | " reserved" % self.gateway, |
305 | 37dc17e3 | Thomas Thrainer | errors.ECODE_STATE) |
306 | 37dc17e3 | Thomas Thrainer | |
307 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix: |
308 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix == constants.VALUE_NONE: |
309 | 37dc17e3 | Thomas Thrainer | self.mac_prefix = None |
310 | 37dc17e3 | Thomas Thrainer | else:
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311 | 37dc17e3 | Thomas Thrainer | self.mac_prefix = \
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312 | 37dc17e3 | Thomas Thrainer | utils.NormalizeAndValidateThreeOctetMacPrefix(self.op.mac_prefix)
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313 | 37dc17e3 | Thomas Thrainer | |
314 | 37dc17e3 | Thomas Thrainer | if self.op.gateway6: |
315 | 37dc17e3 | Thomas Thrainer | if self.op.gateway6 == constants.VALUE_NONE: |
316 | 37dc17e3 | Thomas Thrainer | self.gateway6 = None |
317 | 37dc17e3 | Thomas Thrainer | else:
|
318 | 37dc17e3 | Thomas Thrainer | self.gateway6 = self.op.gateway6 |
319 | 37dc17e3 | Thomas Thrainer | |
320 | 37dc17e3 | Thomas Thrainer | if self.op.network6: |
321 | 37dc17e3 | Thomas Thrainer | if self.op.network6 == constants.VALUE_NONE: |
322 | 37dc17e3 | Thomas Thrainer | self.network6 = None |
323 | 37dc17e3 | Thomas Thrainer | else:
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324 | 37dc17e3 | Thomas Thrainer | self.network6 = self.op.network6 |
325 | 37dc17e3 | Thomas Thrainer | |
326 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
327 | 37dc17e3 | Thomas Thrainer | """Build hooks env.
|
328 | 37dc17e3 | Thomas Thrainer |
|
329 | 37dc17e3 | Thomas Thrainer | """
|
330 | 37dc17e3 | Thomas Thrainer | args = { |
331 | 37dc17e3 | Thomas Thrainer | "name": self.op.network_name, |
332 | 37dc17e3 | Thomas Thrainer | "subnet": self.network.network, |
333 | 37dc17e3 | Thomas Thrainer | "gateway": self.gateway, |
334 | 37dc17e3 | Thomas Thrainer | "network6": self.network6, |
335 | 37dc17e3 | Thomas Thrainer | "gateway6": self.gateway6, |
336 | 37dc17e3 | Thomas Thrainer | "mac_prefix": self.mac_prefix, |
337 | 37dc17e3 | Thomas Thrainer | "tags": self.tags, |
338 | 37dc17e3 | Thomas Thrainer | } |
339 | 37dc17e3 | Thomas Thrainer | return _BuildNetworkHookEnv(**args) # pylint: disable=W0142 |
340 | 37dc17e3 | Thomas Thrainer | |
341 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
342 | 37dc17e3 | Thomas Thrainer | """Build hooks nodes.
|
343 | 37dc17e3 | Thomas Thrainer |
|
344 | 37dc17e3 | Thomas Thrainer | """
|
345 | 37dc17e3 | Thomas Thrainer | mn = self.cfg.GetMasterNode()
|
346 | 37dc17e3 | Thomas Thrainer | return ([mn], [mn])
|
347 | 37dc17e3 | Thomas Thrainer | |
348 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
349 | 37dc17e3 | Thomas Thrainer | """Modifies the network.
|
350 | 37dc17e3 | Thomas Thrainer |
|
351 | 37dc17e3 | Thomas Thrainer | """
|
352 | 37dc17e3 | Thomas Thrainer | #TODO: reserve/release via temporary reservation manager
|
353 | 37dc17e3 | Thomas Thrainer | # extend cfg.ReserveIp/ReleaseIp with the external flag
|
354 | 37dc17e3 | Thomas Thrainer | if self.op.gateway: |
355 | 37dc17e3 | Thomas Thrainer | if self.gateway == self.network.gateway: |
356 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Gateway is already %s", self.gateway) |
357 | 37dc17e3 | Thomas Thrainer | else:
|
358 | 37dc17e3 | Thomas Thrainer | if self.gateway: |
359 | 37dc17e3 | Thomas Thrainer | self.pool.Reserve(self.gateway, external=True) |
360 | 37dc17e3 | Thomas Thrainer | if self.network.gateway: |
361 | 37dc17e3 | Thomas Thrainer | self.pool.Release(self.network.gateway, external=True) |
362 | 37dc17e3 | Thomas Thrainer | self.network.gateway = self.gateway |
363 | 37dc17e3 | Thomas Thrainer | |
364 | 37dc17e3 | Thomas Thrainer | if self.op.add_reserved_ips: |
365 | 37dc17e3 | Thomas Thrainer | for ip in self.op.add_reserved_ips: |
366 | 37dc17e3 | Thomas Thrainer | try:
|
367 | 37dc17e3 | Thomas Thrainer | if self.pool.IsReserved(ip): |
368 | 37dc17e3 | Thomas Thrainer | self.LogWarning("IP address %s is already reserved", ip) |
369 | 37dc17e3 | Thomas Thrainer | else:
|
370 | 37dc17e3 | Thomas Thrainer | self.pool.Reserve(ip, external=True) |
371 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
372 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot reserve IP address %s: %s", ip, err) |
373 | 37dc17e3 | Thomas Thrainer | |
374 | 37dc17e3 | Thomas Thrainer | if self.op.remove_reserved_ips: |
375 | 37dc17e3 | Thomas Thrainer | for ip in self.op.remove_reserved_ips: |
376 | 37dc17e3 | Thomas Thrainer | if ip == self.network.gateway: |
377 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot unreserve Gateway's IP") |
378 | 37dc17e3 | Thomas Thrainer | continue
|
379 | 37dc17e3 | Thomas Thrainer | try:
|
380 | 37dc17e3 | Thomas Thrainer | if not self.pool.IsReserved(ip): |
381 | 37dc17e3 | Thomas Thrainer | self.LogWarning("IP address %s is already unreserved", ip) |
382 | 37dc17e3 | Thomas Thrainer | else:
|
383 | 37dc17e3 | Thomas Thrainer | self.pool.Release(ip, external=True) |
384 | 37dc17e3 | Thomas Thrainer | except errors.AddressPoolError, err:
|
385 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Cannot release IP address %s: %s", ip, err) |
386 | 37dc17e3 | Thomas Thrainer | |
387 | 37dc17e3 | Thomas Thrainer | if self.op.mac_prefix: |
388 | 37dc17e3 | Thomas Thrainer | self.network.mac_prefix = self.mac_prefix |
389 | 37dc17e3 | Thomas Thrainer | |
390 | 37dc17e3 | Thomas Thrainer | if self.op.network6: |
391 | 37dc17e3 | Thomas Thrainer | self.network.network6 = self.network6 |
392 | 37dc17e3 | Thomas Thrainer | |
393 | 37dc17e3 | Thomas Thrainer | if self.op.gateway6: |
394 | 37dc17e3 | Thomas Thrainer | self.network.gateway6 = self.gateway6 |
395 | 37dc17e3 | Thomas Thrainer | |
396 | 37dc17e3 | Thomas Thrainer | self.pool.Validate()
|
397 | 37dc17e3 | Thomas Thrainer | |
398 | 37dc17e3 | Thomas Thrainer | self.cfg.Update(self.network, feedback_fn) |
399 | 37dc17e3 | Thomas Thrainer | |
400 | 37dc17e3 | Thomas Thrainer | |
401 | 5eacbcae | Thomas Thrainer | class NetworkQuery(QueryBase): |
402 | 37dc17e3 | Thomas Thrainer | FIELDS = query.NETWORK_FIELDS |
403 | 37dc17e3 | Thomas Thrainer | |
404 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self, lu): |
405 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
406 | 37dc17e3 | Thomas Thrainer | |
407 | 37dc17e3 | Thomas Thrainer | def DeclareLocks(self, lu, level): |
408 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
409 | 37dc17e3 | Thomas Thrainer | |
410 | 37dc17e3 | Thomas Thrainer | def _GetQueryData(self, lu): |
411 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
412 | 37dc17e3 | Thomas Thrainer | |
413 | 37dc17e3 | Thomas Thrainer | @staticmethod
|
414 | 37dc17e3 | Thomas Thrainer | def _GetStats(pool): |
415 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
416 | 37dc17e3 | Thomas Thrainer | |
417 | 37dc17e3 | Thomas Thrainer | |
418 | 37dc17e3 | Thomas Thrainer | class LUNetworkQuery(NoHooksLU): |
419 | 37dc17e3 | Thomas Thrainer | """Logical unit for querying networks.
|
420 | 37dc17e3 | Thomas Thrainer |
|
421 | 37dc17e3 | Thomas Thrainer | """
|
422 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
423 | 37dc17e3 | Thomas Thrainer | |
424 | 37dc17e3 | Thomas Thrainer | def CheckArguments(self): |
425 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
426 | 37dc17e3 | Thomas Thrainer | |
427 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
428 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
429 | 37dc17e3 | Thomas Thrainer | |
430 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
431 | 44ffd981 | Helga Velroyen | raise NotImplementedError |
432 | 37dc17e3 | Thomas Thrainer | |
433 | 37dc17e3 | Thomas Thrainer | |
434 | 37dc17e3 | Thomas Thrainer | def _FmtNetworkConflict(details): |
435 | 37dc17e3 | Thomas Thrainer | """Utility for L{_NetworkConflictCheck}.
|
436 | 37dc17e3 | Thomas Thrainer |
|
437 | 37dc17e3 | Thomas Thrainer | """
|
438 | 37dc17e3 | Thomas Thrainer | return utils.CommaJoin("nic%s/%s" % (idx, ipaddr) |
439 | 37dc17e3 | Thomas Thrainer | for (idx, ipaddr) in details) |
440 | 37dc17e3 | Thomas Thrainer | |
441 | 37dc17e3 | Thomas Thrainer | |
442 | 37dc17e3 | Thomas Thrainer | def _NetworkConflictCheck(lu, check_fn, action, instances): |
443 | 37dc17e3 | Thomas Thrainer | """Checks for network interface conflicts with a network.
|
444 | 37dc17e3 | Thomas Thrainer |
|
445 | 37dc17e3 | Thomas Thrainer | @type lu: L{LogicalUnit}
|
446 | 37dc17e3 | Thomas Thrainer | @type check_fn: callable receiving one parameter (L{objects.NIC}) and
|
447 | 37dc17e3 | Thomas Thrainer | returning boolean
|
448 | 37dc17e3 | Thomas Thrainer | @param check_fn: Function checking for conflict
|
449 | 37dc17e3 | Thomas Thrainer | @type action: string
|
450 | 37dc17e3 | Thomas Thrainer | @param action: Part of error message (see code)
|
451 | 3fe41221 | Klaus Aehlig | @param instances: the instances to check
|
452 | 3fe41221 | Klaus Aehlig | @type instances: list of instance objects
|
453 | 37dc17e3 | Thomas Thrainer | @raise errors.OpPrereqError: If conflicting IP addresses are found.
|
454 | 37dc17e3 | Thomas Thrainer |
|
455 | 37dc17e3 | Thomas Thrainer | """
|
456 | 37dc17e3 | Thomas Thrainer | conflicts = [] |
457 | 37dc17e3 | Thomas Thrainer | |
458 | da4a52a3 | Thomas Thrainer | for instance in instances: |
459 | 37dc17e3 | Thomas Thrainer | instconflicts = [(idx, nic.ip) |
460 | 37dc17e3 | Thomas Thrainer | for (idx, nic) in enumerate(instance.nics) |
461 | 37dc17e3 | Thomas Thrainer | if check_fn(nic)]
|
462 | 37dc17e3 | Thomas Thrainer | |
463 | 37dc17e3 | Thomas Thrainer | if instconflicts:
|
464 | 37dc17e3 | Thomas Thrainer | conflicts.append((instance.name, instconflicts)) |
465 | 37dc17e3 | Thomas Thrainer | |
466 | 37dc17e3 | Thomas Thrainer | if conflicts:
|
467 | 37dc17e3 | Thomas Thrainer | lu.LogWarning("IP addresses from network '%s', which is about to %s"
|
468 | 37dc17e3 | Thomas Thrainer | " node group '%s', are in use: %s" %
|
469 | 37dc17e3 | Thomas Thrainer | (lu.network_name, action, lu.group.name, |
470 | 37dc17e3 | Thomas Thrainer | utils.CommaJoin(("%s: %s" %
|
471 | 37dc17e3 | Thomas Thrainer | (name, _FmtNetworkConflict(details))) |
472 | 37dc17e3 | Thomas Thrainer | for (name, details) in conflicts))) |
473 | 37dc17e3 | Thomas Thrainer | |
474 | 37dc17e3 | Thomas Thrainer | raise errors.OpPrereqError("Conflicting IP addresses found; " |
475 | 37dc17e3 | Thomas Thrainer | " remove/modify the corresponding network"
|
476 | 37dc17e3 | Thomas Thrainer | " interfaces", errors.ECODE_STATE)
|
477 | 37dc17e3 | Thomas Thrainer | |
478 | 37dc17e3 | Thomas Thrainer | |
479 | 37dc17e3 | Thomas Thrainer | class LUNetworkConnect(LogicalUnit): |
480 | 37dc17e3 | Thomas Thrainer | """Connect a network to a nodegroup
|
481 | 37dc17e3 | Thomas Thrainer |
|
482 | 37dc17e3 | Thomas Thrainer | """
|
483 | 37dc17e3 | Thomas Thrainer | HPATH = "network-connect"
|
484 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
485 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
486 | 37dc17e3 | Thomas Thrainer | |
487 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
488 | 37dc17e3 | Thomas Thrainer | self.network_name = self.op.network_name |
489 | 37dc17e3 | Thomas Thrainer | self.group_name = self.op.group_name |
490 | 37dc17e3 | Thomas Thrainer | self.network_mode = self.op.network_mode |
491 | 37dc17e3 | Thomas Thrainer | self.network_link = self.op.network_link |
492 | 37dc17e3 | Thomas Thrainer | |
493 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.network_name) |
494 | 37dc17e3 | Thomas Thrainer | self.group_uuid = self.cfg.LookupNodeGroup(self.group_name) |
495 | 37dc17e3 | Thomas Thrainer | |
496 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
497 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_INSTANCE: [], |
498 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODEGROUP: [self.group_uuid],
|
499 | 37dc17e3 | Thomas Thrainer | } |
500 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
501 | 37dc17e3 | Thomas Thrainer | |
502 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
503 | 37dc17e3 | Thomas Thrainer | self.needed_locks[locking.LEVEL_NETWORK] = [self.network_uuid] |
504 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_NETWORK] = 1 |
505 | 37dc17e3 | Thomas Thrainer | |
506 | 37dc17e3 | Thomas Thrainer | def DeclareLocks(self, level): |
507 | 37dc17e3 | Thomas Thrainer | if level == locking.LEVEL_INSTANCE:
|
508 | 37dc17e3 | Thomas Thrainer | assert not self.needed_locks[locking.LEVEL_INSTANCE] |
509 | 37dc17e3 | Thomas Thrainer | |
510 | 37dc17e3 | Thomas Thrainer | # Lock instances optimistically, needs verification once group lock has
|
511 | 37dc17e3 | Thomas Thrainer | # been acquired
|
512 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
513 | 37dc17e3 | Thomas Thrainer | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
514 | da4a52a3 | Thomas Thrainer | self.cfg.GetInstanceNames(
|
515 | da4a52a3 | Thomas Thrainer | self.cfg.GetNodeGroupInstances(self.group_uuid)) |
516 | 37dc17e3 | Thomas Thrainer | |
517 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
518 | 37dc17e3 | Thomas Thrainer | ret = { |
519 | 37dc17e3 | Thomas Thrainer | "GROUP_NAME": self.group_name, |
520 | 37dc17e3 | Thomas Thrainer | "GROUP_NETWORK_MODE": self.network_mode, |
521 | 37dc17e3 | Thomas Thrainer | "GROUP_NETWORK_LINK": self.network_link, |
522 | 37dc17e3 | Thomas Thrainer | } |
523 | 37dc17e3 | Thomas Thrainer | return ret
|
524 | 37dc17e3 | Thomas Thrainer | |
525 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
526 | 1c3231aa | Thomas Thrainer | node_uuids = self.cfg.GetNodeGroup(self.group_uuid).members |
527 | 1c3231aa | Thomas Thrainer | return (node_uuids, node_uuids)
|
528 | 37dc17e3 | Thomas Thrainer | |
529 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
530 | 37dc17e3 | Thomas Thrainer | owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP)) |
531 | 37dc17e3 | Thomas Thrainer | |
532 | 37dc17e3 | Thomas Thrainer | assert self.group_uuid in owned_groups |
533 | 37dc17e3 | Thomas Thrainer | |
534 | 37dc17e3 | Thomas Thrainer | # Check if locked instances are still correct
|
535 | da4a52a3 | Thomas Thrainer | owned_instance_names = frozenset(self.owned_locks(locking.LEVEL_INSTANCE)) |
536 | 37dc17e3 | Thomas Thrainer | if self.op.conflicts_check: |
537 | da4a52a3 | Thomas Thrainer | CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instance_names) |
538 | 37dc17e3 | Thomas Thrainer | |
539 | 37dc17e3 | Thomas Thrainer | self.netparams = {
|
540 | 37dc17e3 | Thomas Thrainer | constants.NIC_MODE: self.network_mode,
|
541 | 37dc17e3 | Thomas Thrainer | constants.NIC_LINK: self.network_link,
|
542 | 37dc17e3 | Thomas Thrainer | } |
543 | 37dc17e3 | Thomas Thrainer | objects.NIC.CheckParameterSyntax(self.netparams)
|
544 | 37dc17e3 | Thomas Thrainer | |
545 | 37dc17e3 | Thomas Thrainer | self.group = self.cfg.GetNodeGroup(self.group_uuid) |
546 | 37dc17e3 | Thomas Thrainer | #if self.network_mode == constants.NIC_MODE_BRIDGED:
|
547 | 37dc17e3 | Thomas Thrainer | # _CheckNodeGroupBridgesExist(self, self.network_link, self.group_uuid)
|
548 | 37dc17e3 | Thomas Thrainer | self.connected = False |
549 | 37dc17e3 | Thomas Thrainer | if self.network_uuid in self.group.networks: |
550 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Network '%s' is already mapped to group '%s'" % |
551 | 37dc17e3 | Thomas Thrainer | (self.network_name, self.group.name)) |
552 | 37dc17e3 | Thomas Thrainer | self.connected = True |
553 | 37dc17e3 | Thomas Thrainer | |
554 | 37dc17e3 | Thomas Thrainer | # check only if not already connected
|
555 | 37dc17e3 | Thomas Thrainer | elif self.op.conflicts_check: |
556 | 37dc17e3 | Thomas Thrainer | pool = network.AddressPool(self.cfg.GetNetwork(self.network_uuid)) |
557 | 37dc17e3 | Thomas Thrainer | |
558 | da4a52a3 | Thomas Thrainer | _NetworkConflictCheck( |
559 | da4a52a3 | Thomas Thrainer | self, lambda nic: pool.Contains(nic.ip), "connect to", |
560 | 3fe41221 | Klaus Aehlig | [instance_info for (_, instance_info) in |
561 | 3fe41221 | Klaus Aehlig | self.cfg.GetMultiInstanceInfoByName(owned_instance_names)])
|
562 | 37dc17e3 | Thomas Thrainer | |
563 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
564 | 37dc17e3 | Thomas Thrainer | # Connect the network and update the group only if not already connected
|
565 | 37dc17e3 | Thomas Thrainer | if not self.connected: |
566 | 37dc17e3 | Thomas Thrainer | self.group.networks[self.network_uuid] = self.netparams |
567 | 37dc17e3 | Thomas Thrainer | self.cfg.Update(self.group, feedback_fn) |
568 | 37dc17e3 | Thomas Thrainer | |
569 | 37dc17e3 | Thomas Thrainer | |
570 | 37dc17e3 | Thomas Thrainer | class LUNetworkDisconnect(LogicalUnit): |
571 | 37dc17e3 | Thomas Thrainer | """Disconnect a network to a nodegroup
|
572 | 37dc17e3 | Thomas Thrainer |
|
573 | 37dc17e3 | Thomas Thrainer | """
|
574 | 37dc17e3 | Thomas Thrainer | HPATH = "network-disconnect"
|
575 | 37dc17e3 | Thomas Thrainer | HTYPE = constants.HTYPE_NETWORK |
576 | 37dc17e3 | Thomas Thrainer | REQ_BGL = False
|
577 | 37dc17e3 | Thomas Thrainer | |
578 | 37dc17e3 | Thomas Thrainer | def ExpandNames(self): |
579 | 37dc17e3 | Thomas Thrainer | self.network_name = self.op.network_name |
580 | 37dc17e3 | Thomas Thrainer | self.group_name = self.op.group_name |
581 | 37dc17e3 | Thomas Thrainer | |
582 | 37dc17e3 | Thomas Thrainer | self.network_uuid = self.cfg.LookupNetwork(self.network_name) |
583 | 37dc17e3 | Thomas Thrainer | self.group_uuid = self.cfg.LookupNodeGroup(self.group_name) |
584 | 37dc17e3 | Thomas Thrainer | |
585 | 37dc17e3 | Thomas Thrainer | self.needed_locks = {
|
586 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_INSTANCE: [], |
587 | 37dc17e3 | Thomas Thrainer | locking.LEVEL_NODEGROUP: [self.group_uuid],
|
588 | 37dc17e3 | Thomas Thrainer | } |
589 | 37dc17e3 | Thomas Thrainer | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
590 | 37dc17e3 | Thomas Thrainer | |
591 | 37dc17e3 | Thomas Thrainer | def DeclareLocks(self, level): |
592 | 37dc17e3 | Thomas Thrainer | if level == locking.LEVEL_INSTANCE:
|
593 | 37dc17e3 | Thomas Thrainer | assert not self.needed_locks[locking.LEVEL_INSTANCE] |
594 | 37dc17e3 | Thomas Thrainer | |
595 | 37dc17e3 | Thomas Thrainer | # Lock instances optimistically, needs verification once group lock has
|
596 | 37dc17e3 | Thomas Thrainer | # been acquired
|
597 | 37dc17e3 | Thomas Thrainer | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
598 | da4a52a3 | Thomas Thrainer | self.cfg.GetInstanceNames(
|
599 | da4a52a3 | Thomas Thrainer | self.cfg.GetNodeGroupInstances(self.group_uuid)) |
600 | 37dc17e3 | Thomas Thrainer | |
601 | 37dc17e3 | Thomas Thrainer | def BuildHooksEnv(self): |
602 | 37dc17e3 | Thomas Thrainer | ret = { |
603 | 37dc17e3 | Thomas Thrainer | "GROUP_NAME": self.group_name, |
604 | 37dc17e3 | Thomas Thrainer | } |
605 | 37dc17e3 | Thomas Thrainer | return ret
|
606 | 37dc17e3 | Thomas Thrainer | |
607 | 37dc17e3 | Thomas Thrainer | def BuildHooksNodes(self): |
608 | 37dc17e3 | Thomas Thrainer | nodes = self.cfg.GetNodeGroup(self.group_uuid).members |
609 | 37dc17e3 | Thomas Thrainer | return (nodes, nodes)
|
610 | 37dc17e3 | Thomas Thrainer | |
611 | 37dc17e3 | Thomas Thrainer | def CheckPrereq(self): |
612 | 37dc17e3 | Thomas Thrainer | owned_groups = frozenset(self.owned_locks(locking.LEVEL_NODEGROUP)) |
613 | 37dc17e3 | Thomas Thrainer | |
614 | 37dc17e3 | Thomas Thrainer | assert self.group_uuid in owned_groups |
615 | 37dc17e3 | Thomas Thrainer | |
616 | 37dc17e3 | Thomas Thrainer | # Check if locked instances are still correct
|
617 | 37dc17e3 | Thomas Thrainer | owned_instances = frozenset(self.owned_locks(locking.LEVEL_INSTANCE)) |
618 | 5eacbcae | Thomas Thrainer | CheckNodeGroupInstances(self.cfg, self.group_uuid, owned_instances) |
619 | 37dc17e3 | Thomas Thrainer | |
620 | 37dc17e3 | Thomas Thrainer | self.group = self.cfg.GetNodeGroup(self.group_uuid) |
621 | 37dc17e3 | Thomas Thrainer | self.connected = True |
622 | 37dc17e3 | Thomas Thrainer | if self.network_uuid not in self.group.networks: |
623 | 37dc17e3 | Thomas Thrainer | self.LogWarning("Network '%s' is not mapped to group '%s'", |
624 | 37dc17e3 | Thomas Thrainer | self.network_name, self.group.name) |
625 | 37dc17e3 | Thomas Thrainer | self.connected = False |
626 | 37dc17e3 | Thomas Thrainer | |
627 | 37dc17e3 | Thomas Thrainer | # We need this check only if network is not already connected
|
628 | 37dc17e3 | Thomas Thrainer | else:
|
629 | da4a52a3 | Thomas Thrainer | _NetworkConflictCheck( |
630 | da4a52a3 | Thomas Thrainer | self, lambda nic: nic.network == self.network_uuid, "disconnect from", |
631 | 32449822 | Dimitris Aragiorgis | [instance_info for (_, instance_info) in |
632 | e0e44476 | Michele Tartara | self.cfg.GetMultiInstanceInfoByName(owned_instances)])
|
633 | 37dc17e3 | Thomas Thrainer | |
634 | 37dc17e3 | Thomas Thrainer | def Exec(self, feedback_fn): |
635 | 37dc17e3 | Thomas Thrainer | # Disconnect the network and update the group only if network is connected
|
636 | 37dc17e3 | Thomas Thrainer | if self.connected: |
637 | 37dc17e3 | Thomas Thrainer | del self.group.networks[self.network_uuid] |
638 | 37dc17e3 | Thomas Thrainer | self.cfg.Update(self.group, feedback_fn) |