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21 """IP pool related commands"""
22
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25
26
27 import textwrap
28 import itertools
29
30 from ganeti.cli import *
31 from ganeti import constants
32 from ganeti import opcodes
33 from ganeti import utils
34 from ganeti import errors
35
36
37
38 _LIST_DEF_FIELDS = ["name", "network", "gateway",
39 "mac_prefix", "group_list", "tags"]
40
41
43 if ips is None:
44 return None
45 elif not ips:
46 return []
47 else:
48 return utils.UnescapeAndSplit(ips, sep=",")
49
50
52 """Add a network to the cluster.
53
54 @param opts: the command line options selected by the user
55 @type args: list
56 @param args: a list of length 1 with the network name to create
57 @rtype: int
58 @return: the desired exit code
59
60 """
61 (network_name, ) = args
62
63 if opts.network is None:
64 raise errors.OpPrereqError("The --network option must be given",
65 errors.ECODE_INVAL)
66
67 if opts.tags is not None:
68 tags = opts.tags.split(",")
69 else:
70 tags = []
71
72 reserved_ips = _HandleReservedIPs(opts.add_reserved_ips)
73
74 op = opcodes.OpNetworkAdd(network_name=network_name,
75 gateway=opts.gateway,
76 network=opts.network,
77 gateway6=opts.gateway6,
78 network6=opts.network6,
79 mac_prefix=opts.mac_prefix,
80 add_reserved_ips=reserved_ips,
81 conflicts_check=opts.conflicts_check,
82 tags=tags)
83 SubmitOrSend(op, opts)
84
85
87 """Gets list of groups to operate on.
88
89 If C{groups} doesn't contain groups, a list of all groups in the cluster is
90 returned.
91
92 @type cl: L{luxi.Client}
93 @type groups: list
94 @rtype: list
95
96 """
97 if groups:
98 return groups
99
100 return list(itertools.chain(*cl.QueryGroups([], ["uuid"], False)))
101
102
104 """Map a network to a node group.
105
106 @param opts: the command line options selected by the user
107 @type args: list
108 @param args: Network, mode, physlink and node groups
109 @rtype: int
110 @return: the desired exit code
111
112 """
113 cl = GetClient()
114
115 (network, mode, link) = args[:3]
116 groups = _GetDefaultGroups(cl, args[3:])
117
118
119 for group in groups:
120 op = opcodes.OpNetworkConnect(group_name=group,
121 network_name=network,
122 network_mode=mode,
123 network_link=link,
124 conflicts_check=opts.conflicts_check)
125 SubmitOpCode(op, opts=opts, cl=cl)
126
127
129 """Unmap a network from a node group.
130
131 @param opts: the command line options selected by the user
132 @type args: list
133 @param args: Network and node groups
134 @rtype: int
135 @return: the desired exit code
136
137 """
138 cl = GetClient()
139
140 (network, ) = args[:1]
141 groups = _GetDefaultGroups(cl, args[1:])
142
143
144 for group in groups:
145 op = opcodes.OpNetworkDisconnect(group_name=group,
146 network_name=network)
147 SubmitOpCode(op, opts=opts, cl=cl)
148
149
151 """List Ip pools and their properties.
152
153 @param opts: the command line options selected by the user
154 @type args: list
155 @param args: networks to list, or empty for all
156 @rtype: int
157 @return: the desired exit code
158
159 """
160 desired_fields = ParseFields(opts.output, _LIST_DEF_FIELDS)
161 fmtoverride = {
162 "group_list":
163 (lambda data: utils.CommaJoin("%s (%s, %s)" % (name, mode, link)
164 for (name, mode, link) in data),
165 False),
166 "inst_list": (",".join, False),
167 "tags": (",".join, False),
168 }
169
170 cl = GetClient(query=True)
171 return GenericList(constants.QR_NETWORK, desired_fields, args, None,
172 opts.separator, not opts.no_headers,
173 verbose=opts.verbose, format_override=fmtoverride,
174 cl=cl)
175
176
178 """List network fields.
179
180 @param opts: the command line options selected by the user
181 @type args: list
182 @param args: fields to list, or empty for all
183 @rtype: int
184 @return: the desired exit code
185
186 """
187 cl = GetClient(query=True)
188
189 return GenericListFields(constants.QR_NETWORK, args, opts.separator,
190 not opts.no_headers, cl=cl)
191
192
194 """Show network information.
195
196 @type args: list
197 @param args: should either be an empty list, in which case
198 we show information about all nodes, or should contain
199 a list of networks (names or UUIDs) to be queried for information
200 @rtype: int
201 @return: the desired exit code
202
203 """
204 cl = GetClient()
205 result = cl.QueryNetworks(fields=["name", "network", "gateway",
206 "network6", "gateway6",
207 "mac_prefix",
208 "free_count", "reserved_count",
209 "map", "group_list", "inst_list",
210 "external_reservations",
211 "serial_no", "uuid"],
212 names=args, use_locking=False)
213
214 for (name, network, gateway, network6, gateway6,
215 mac_prefix, free_count, reserved_count,
216 mapping, group_list, instances, ext_res, serial, uuid) in result:
217 size = free_count + reserved_count
218 ToStdout("Network name: %s", name)
219 ToStdout("UUID: %s", uuid)
220 ToStdout("Serial number: %d", serial)
221 ToStdout(" Subnet: %s", network)
222 ToStdout(" Gateway: %s", gateway)
223 ToStdout(" IPv6 Subnet: %s", network6)
224 ToStdout(" IPv6 Gateway: %s", gateway6)
225 ToStdout(" Mac Prefix: %s", mac_prefix)
226 ToStdout(" Size: %d", size)
227 ToStdout(" Free: %d (%.2f%%)", free_count,
228 100 * float(free_count) / float(size))
229 ToStdout(" Usage map:")
230 idx = 0
231 for line in textwrap.wrap(mapping, width=64):
232 ToStdout(" %s %s %d", str(idx).rjust(3), line.ljust(64), idx + 63)
233 idx += 64
234 ToStdout(" (X) used (.) free")
235
236 if ext_res:
237 ToStdout(" externally reserved IPs:")
238 for line in textwrap.wrap(ext_res, width=64):
239 ToStdout(" %s" % line)
240
241 if group_list:
242 ToStdout(" connected to node groups:")
243 for group, nic_mode, nic_link in group_list:
244 ToStdout(" %s (%s on %s)", group, nic_mode, nic_link)
245 else:
246 ToStdout(" not connected to any node group")
247
248 if instances:
249 ToStdout(" used by %d instances:", len(instances))
250 for inst in instances:
251 ((ips, networks), ) = cl.QueryInstances([inst],
252 ["nic.ips", "nic.networks"],
253 use_locking=False)
254
255 l = lambda value: ", ".join(str(idx) + ":" + str(ip)
256 for idx, (ip, net) in enumerate(value)
257 if net == uuid)
258
259 ToStdout(" %s : %s", inst, l(zip(ips, networks)))
260 else:
261 ToStdout(" not used by any instances")
262
263
265 """Modifies an IP address pool's parameters.
266
267 @param opts: the command line options selected by the user
268 @type args: list
269 @param args: should contain only one element, the node group name
270
271 @rtype: int
272 @return: the desired exit code
273
274 """
275
276 all_changes = {
277 "gateway": opts.gateway,
278 "add_reserved_ips": _HandleReservedIPs(opts.add_reserved_ips),
279 "remove_reserved_ips": _HandleReservedIPs(opts.remove_reserved_ips),
280 "mac_prefix": opts.mac_prefix,
281 "gateway6": opts.gateway6,
282 "network6": opts.network6,
283 }
284
285 if all_changes.values().count(None) == len(all_changes):
286 ToStderr("Please give at least one of the parameters.")
287 return 1
288
289
290 op = opcodes.OpNetworkSetParams(network_name=args[0], **all_changes)
291
292
293 SubmitOrSend(op, opts)
294
295
297 """Remove an IP address pool from the cluster.
298
299 @param opts: the command line options selected by the user
300 @type args: list
301 @param args: a list of length 1 with the id of the IP address pool to remove
302 @rtype: int
303 @return: the desired exit code
304
305 """
306 (network_name,) = args
307 op = opcodes.OpNetworkRemove(network_name=network_name, force=opts.force)
308 SubmitOrSend(op, opts)
309
310
311 commands = {
312 "add": (
313 AddNetwork, ARGS_ONE_NETWORK,
314 [DRY_RUN_OPT, NETWORK_OPT, GATEWAY_OPT, ADD_RESERVED_IPS_OPT,
315 MAC_PREFIX_OPT, NETWORK6_OPT, GATEWAY6_OPT,
316 NOCONFLICTSCHECK_OPT, TAG_ADD_OPT, PRIORITY_OPT, SUBMIT_OPT],
317 "<network_name>", "Add a new IP network to the cluster"),
318 "list": (
319 ListNetworks, ARGS_MANY_NETWORKS,
320 [NOHDR_OPT, SEP_OPT, FIELDS_OPT, VERBOSE_OPT],
321 "[<network_id>...]",
322 "Lists the IP networks in the cluster. The available fields can be shown"
323 " using the \"list-fields\" command (see the man page for details)."
324 " The default list is (in order): %s." % utils.CommaJoin(_LIST_DEF_FIELDS)),
325 "list-fields": (
326 ListNetworkFields, [ArgUnknown()], [NOHDR_OPT, SEP_OPT], "[fields...]",
327 "Lists all available fields for networks"),
328 "info": (
329 ShowNetworkConfig, ARGS_MANY_NETWORKS, [],
330 "[<network_name>...]", "Show information about the network(s)"),
331 "modify": (
332 SetNetworkParams, ARGS_ONE_NETWORK,
333 [DRY_RUN_OPT, SUBMIT_OPT, ADD_RESERVED_IPS_OPT, REMOVE_RESERVED_IPS_OPT,
334 GATEWAY_OPT, MAC_PREFIX_OPT, NETWORK6_OPT, GATEWAY6_OPT,
335 PRIORITY_OPT],
336 "<network_name>", "Alters the parameters of a network"),
337 "connect": (
338 ConnectNetwork,
339 [ArgNetwork(min=1, max=1),
340 ArgChoice(min=1, max=1, choices=constants.NIC_VALID_MODES),
341 ArgUnknown(min=1, max=1),
342 ArgGroup()],
343 [NOCONFLICTSCHECK_OPT, PRIORITY_OPT],
344 "<network_name> <mode> <link> [<node_group>...]",
345 "Map a given network to the specified node group"
346 " with given mode and link (netparams)"),
347 "disconnect": (
348 DisconnectNetwork,
349 [ArgNetwork(min=1, max=1), ArgGroup()],
350 [PRIORITY_OPT],
351 "<network_name> [<node_group>...]",
352 "Unmap a given network from a specified node group"),
353 "remove": (
354 RemoveNetwork, ARGS_ONE_NETWORK,
355 [FORCE_OPT, DRY_RUN_OPT, SUBMIT_OPT, PRIORITY_OPT],
356 "[--dry-run] <network_id>",
357 "Remove an (empty) network from the cluster"),
358 "list-tags": (
359 ListTags, ARGS_ONE_NETWORK, [],
360 "<network_name>", "List the tags of the given network"),
361 "add-tags": (
362 AddTags, [ArgNetwork(min=1, max=1), ArgUnknown()],
363 [TAG_SRC_OPT, PRIORITY_OPT, SUBMIT_OPT],
364 "<network_name> tag...", "Add tags to the given network"),
365 "remove-tags": (
366 RemoveTags, [ArgNetwork(min=1, max=1), ArgUnknown()],
367 [TAG_SRC_OPT, PRIORITY_OPT, SUBMIT_OPT],
368 "<network_name> tag...", "Remove tags from given network"),
369 }
370
371
373 return GenericMain(commands, override={"tag_type": constants.TAG_NETWORK})
374