root / lib / rpc.py @ bc57fa8d
History | View | Annotate | Download (31.5 kB)
1 | 2f31098c | Iustin Pop | #
|
---|---|---|---|
2 | a8083063 | Iustin Pop | #
|
3 | a8083063 | Iustin Pop | |
4 | 91c17910 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
|
5 | a8083063 | Iustin Pop | #
|
6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
|
7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
|
8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
|
9 | a8083063 | Iustin Pop | # (at your option) any later version.
|
10 | a8083063 | Iustin Pop | #
|
11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
|
12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | a8083063 | Iustin Pop | # General Public License for more details.
|
15 | a8083063 | Iustin Pop | #
|
16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
|
17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
|
18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 | a8083063 | Iustin Pop | # 02110-1301, USA.
|
20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 3ef3c771 | Iustin Pop | """Inter-node RPC library.
|
23 | a8083063 | Iustin Pop |
|
24 | a8083063 | Iustin Pop | """
|
25 | a8083063 | Iustin Pop | |
26 | b459a848 | Andrea Spadaccini | # pylint: disable=C0103,R0201,R0904
|
27 | 72737a7f | Iustin Pop | # C0103: Invalid name, since call_ are not valid
|
28 | 72737a7f | Iustin Pop | # R0201: Method could be a function, we keep all rpcs instance methods
|
29 | 72737a7f | Iustin Pop | # as not to change them back and forth between static/instance methods
|
30 | 72737a7f | Iustin Pop | # if they need to start using instance attributes
|
31 | 72737a7f | Iustin Pop | # R0904: Too many public methods
|
32 | a8083063 | Iustin Pop | |
33 | 58b311ca | Iustin Pop | import logging |
34 | 12bce260 | Michael Hanselmann | import zlib |
35 | 12bce260 | Michael Hanselmann | import base64 |
36 | 33231500 | Michael Hanselmann | import pycurl |
37 | 33231500 | Michael Hanselmann | import threading |
38 | cbe4a0a5 | Dimitris Aragiorgis | import copy |
39 | a8083063 | Iustin Pop | |
40 | a8083063 | Iustin Pop | from ganeti import utils |
41 | a8083063 | Iustin Pop | from ganeti import objects |
42 | ecfe9491 | Michael Hanselmann | from ganeti import http |
43 | 7c28c575 | Michael Hanselmann | from ganeti import serializer |
44 | eafd8762 | Michael Hanselmann | from ganeti import constants |
45 | 781de953 | Iustin Pop | from ganeti import errors |
46 | a744b676 | Manuel Franceschini | from ganeti import netutils |
47 | eb202c13 | Manuel Franceschini | from ganeti import ssconf |
48 | 9a914f7a | René Nussbaumer | from ganeti import runtime |
49 | 00267bfe | Michael Hanselmann | from ganeti import compat |
50 | cd40dc53 | Michael Hanselmann | from ganeti import rpc_defs |
51 | 80ec9f96 | Michael Hanselmann | from ganeti import pathutils |
52 | cffbbae7 | Michael Hanselmann | from ganeti import vcluster |
53 | a8083063 | Iustin Pop | |
54 | 200de241 | Michael Hanselmann | # Special module generated at build time
|
55 | 200de241 | Michael Hanselmann | from ganeti import _generated_rpc |
56 | 200de241 | Michael Hanselmann | |
57 | fe267188 | Iustin Pop | # pylint has a bug here, doesn't see this import
|
58 | b459a848 | Andrea Spadaccini | import ganeti.http.client # pylint: disable=W0611 |
59 | ae88ef45 | Michael Hanselmann | |
60 | a8083063 | Iustin Pop | |
61 | 33231500 | Michael Hanselmann | _RPC_CLIENT_HEADERS = [ |
62 | 33231500 | Michael Hanselmann | "Content-type: %s" % http.HTTP_APP_JSON,
|
63 | 8e29563f | Iustin Pop | "Expect:",
|
64 | 33231500 | Michael Hanselmann | ] |
65 | 4331f6cd | Michael Hanselmann | |
66 | 00267bfe | Michael Hanselmann | #: Special value to describe an offline host
|
67 | 00267bfe | Michael Hanselmann | _OFFLINE = object()
|
68 | 00267bfe | Michael Hanselmann | |
69 | 4331f6cd | Michael Hanselmann | |
70 | 4331f6cd | Michael Hanselmann | def Init(): |
71 | 4331f6cd | Michael Hanselmann | """Initializes the module-global HTTP client manager.
|
72 | 4331f6cd | Michael Hanselmann |
|
73 | 33231500 | Michael Hanselmann | Must be called before using any RPC function and while exactly one thread is
|
74 | 33231500 | Michael Hanselmann | running.
|
75 | 4331f6cd | Michael Hanselmann |
|
76 | 4331f6cd | Michael Hanselmann | """
|
77 | 33231500 | Michael Hanselmann | # curl_global_init(3) and curl_global_cleanup(3) must be called with only
|
78 | 33231500 | Michael Hanselmann | # one thread running. This check is just a safety measure -- it doesn't
|
79 | 33231500 | Michael Hanselmann | # cover all cases.
|
80 | 33231500 | Michael Hanselmann | assert threading.activeCount() == 1, \ |
81 | 33231500 | Michael Hanselmann | "Found more than one active thread when initializing pycURL"
|
82 | 4331f6cd | Michael Hanselmann | |
83 | 33231500 | Michael Hanselmann | logging.info("Using PycURL %s", pycurl.version)
|
84 | 8d0a4f99 | Michael Hanselmann | |
85 | 33231500 | Michael Hanselmann | pycurl.global_init(pycurl.GLOBAL_ALL) |
86 | 4331f6cd | Michael Hanselmann | |
87 | 4331f6cd | Michael Hanselmann | |
88 | 4331f6cd | Michael Hanselmann | def Shutdown(): |
89 | 4331f6cd | Michael Hanselmann | """Stops the module-global HTTP client manager.
|
90 | 4331f6cd | Michael Hanselmann |
|
91 | 33231500 | Michael Hanselmann | Must be called before quitting the program and while exactly one thread is
|
92 | 33231500 | Michael Hanselmann | running.
|
93 | 4331f6cd | Michael Hanselmann |
|
94 | 4331f6cd | Michael Hanselmann | """
|
95 | 33231500 | Michael Hanselmann | pycurl.global_cleanup() |
96 | 33231500 | Michael Hanselmann | |
97 | 33231500 | Michael Hanselmann | |
98 | 33231500 | Michael Hanselmann | def _ConfigRpcCurl(curl): |
99 | 80ec9f96 | Michael Hanselmann | noded_cert = str(pathutils.NODED_CERT_FILE)
|
100 | 4331f6cd | Michael Hanselmann | |
101 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.FOLLOWLOCATION, False)
|
102 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.CAINFO, noded_cert) |
103 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSL_VERIFYHOST, 0)
|
104 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSL_VERIFYPEER, True)
|
105 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLCERTTYPE, "PEM")
|
106 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLCERT, noded_cert) |
107 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLKEYTYPE, "PEM")
|
108 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLKEY, noded_cert) |
109 | 2ff587d4 | Agata Murawska | curl.setopt(pycurl.CONNECTTIMEOUT, constants.RPC_CONNECT_TIMEOUT) |
110 | 33231500 | Michael Hanselmann | |
111 | 33231500 | Michael Hanselmann | |
112 | e0e916fe | Iustin Pop | def RunWithRPC(fn): |
113 | e0e916fe | Iustin Pop | """RPC-wrapper decorator.
|
114 | e0e916fe | Iustin Pop |
|
115 | e0e916fe | Iustin Pop | When applied to a function, it runs it with the RPC system
|
116 | e0e916fe | Iustin Pop | initialized, and it shutsdown the system afterwards. This means the
|
117 | e0e916fe | Iustin Pop | function must be called without RPC being initialized.
|
118 | e0e916fe | Iustin Pop |
|
119 | e0e916fe | Iustin Pop | """
|
120 | e0e916fe | Iustin Pop | def wrapper(*args, **kwargs): |
121 | e0e916fe | Iustin Pop | Init() |
122 | e0e916fe | Iustin Pop | try:
|
123 | e0e916fe | Iustin Pop | return fn(*args, **kwargs)
|
124 | e0e916fe | Iustin Pop | finally:
|
125 | e0e916fe | Iustin Pop | Shutdown() |
126 | e0e916fe | Iustin Pop | return wrapper
|
127 | e0e916fe | Iustin Pop | |
128 | e0e916fe | Iustin Pop | |
129 | 0c3d9c7c | Thomas Thrainer | def _Compress(_, data): |
130 | 30474135 | Michael Hanselmann | """Compresses a string for transport over RPC.
|
131 | 30474135 | Michael Hanselmann |
|
132 | 30474135 | Michael Hanselmann | Small amounts of data are not compressed.
|
133 | 30474135 | Michael Hanselmann |
|
134 | 30474135 | Michael Hanselmann | @type data: str
|
135 | 30474135 | Michael Hanselmann | @param data: Data
|
136 | 30474135 | Michael Hanselmann | @rtype: tuple
|
137 | 30474135 | Michael Hanselmann | @return: Encoded data to send
|
138 | 30474135 | Michael Hanselmann |
|
139 | 30474135 | Michael Hanselmann | """
|
140 | 30474135 | Michael Hanselmann | # Small amounts of data are not compressed
|
141 | 30474135 | Michael Hanselmann | if len(data) < 512: |
142 | 30474135 | Michael Hanselmann | return (constants.RPC_ENCODING_NONE, data)
|
143 | 30474135 | Michael Hanselmann | |
144 | 30474135 | Michael Hanselmann | # Compress with zlib and encode in base64
|
145 | 30474135 | Michael Hanselmann | return (constants.RPC_ENCODING_ZLIB_BASE64,
|
146 | 30474135 | Michael Hanselmann | base64.b64encode(zlib.compress(data, 3)))
|
147 | 30474135 | Michael Hanselmann | |
148 | 30474135 | Michael Hanselmann | |
149 | 781de953 | Iustin Pop | class RpcResult(object): |
150 | 781de953 | Iustin Pop | """RPC Result class.
|
151 | 781de953 | Iustin Pop |
|
152 | 781de953 | Iustin Pop | This class holds an RPC result. It is needed since in multi-node
|
153 | 05325a35 | Bernardo Dal Seno | calls we can't raise an exception just because one out of many
|
154 | 781de953 | Iustin Pop | failed, and therefore we use this class to encapsulate the result.
|
155 | 781de953 | Iustin Pop |
|
156 | 5bbd3f7f | Michael Hanselmann | @ivar data: the data payload, for successful results, or None
|
157 | ed83f5cc | Iustin Pop | @ivar call: the name of the RPC call
|
158 | ed83f5cc | Iustin Pop | @ivar node: the name of the node to which we made the call
|
159 | ed83f5cc | Iustin Pop | @ivar offline: whether the operation failed because the node was
|
160 | ed83f5cc | Iustin Pop | offline, as opposed to actual failure; offline=True will always
|
161 | ed83f5cc | Iustin Pop | imply failed=True, in order to allow simpler checking if
|
162 | ed83f5cc | Iustin Pop | the user doesn't care about the exact failure mode
|
163 | 4c4e4e1e | Iustin Pop | @ivar fail_msg: the error message if the call failed
|
164 | ed83f5cc | Iustin Pop |
|
165 | 781de953 | Iustin Pop | """
|
166 | ed83f5cc | Iustin Pop | def __init__(self, data=None, failed=False, offline=False, |
167 | ed83f5cc | Iustin Pop | call=None, node=None): |
168 | ed83f5cc | Iustin Pop | self.offline = offline
|
169 | ed83f5cc | Iustin Pop | self.call = call
|
170 | ed83f5cc | Iustin Pop | self.node = node
|
171 | 1645d22d | Michael Hanselmann | |
172 | ed83f5cc | Iustin Pop | if offline:
|
173 | 4c4e4e1e | Iustin Pop | self.fail_msg = "Node is marked offline" |
174 | f2def43a | Iustin Pop | self.data = self.payload = None |
175 | ed83f5cc | Iustin Pop | elif failed:
|
176 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(data) |
177 | f2def43a | Iustin Pop | self.data = self.payload = None |
178 | 781de953 | Iustin Pop | else:
|
179 | 781de953 | Iustin Pop | self.data = data
|
180 | d3c8b360 | Iustin Pop | if not isinstance(self.data, (tuple, list)): |
181 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result type (%s)" % |
182 | 4c4e4e1e | Iustin Pop | type(self.data)) |
183 | 1645d22d | Michael Hanselmann | self.payload = None |
184 | d3c8b360 | Iustin Pop | elif len(data) != 2: |
185 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result length (%d), " |
186 | 4c4e4e1e | Iustin Pop | "expected 2" % len(self.data)) |
187 | 1645d22d | Michael Hanselmann | self.payload = None |
188 | d3c8b360 | Iustin Pop | elif not self.data[0]: |
189 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(self.data[1]) |
190 | 1645d22d | Michael Hanselmann | self.payload = None |
191 | f2def43a | Iustin Pop | else:
|
192 | d3c8b360 | Iustin Pop | # finally success
|
193 | 4c4e4e1e | Iustin Pop | self.fail_msg = None |
194 | d3c8b360 | Iustin Pop | self.payload = data[1] |
195 | d3c8b360 | Iustin Pop | |
196 | 2c0f74f2 | Iustin Pop | for attr_name in ["call", "data", "fail_msg", |
197 | 2c0f74f2 | Iustin Pop | "node", "offline", "payload"]: |
198 | 2c0f74f2 | Iustin Pop | assert hasattr(self, attr_name), "Missing attribute %s" % attr_name |
199 | 1645d22d | Michael Hanselmann | |
200 | 47c477c8 | Petr Pudlak | def __repr__(self): |
201 | 47c477c8 | Petr Pudlak | return ("RpcResult(data=%s, call=%s, node=%s, offline=%s, fail_msg=%s)" % |
202 | 47c477c8 | Petr Pudlak | (self.offline, self.call, self.node, self.offline, self.fail_msg)) |
203 | 47c477c8 | Petr Pudlak | |
204 | d3c8b360 | Iustin Pop | @staticmethod
|
205 | d3c8b360 | Iustin Pop | def _EnsureErr(val): |
206 | d3c8b360 | Iustin Pop | """Helper to ensure we return a 'True' value for error."""
|
207 | d3c8b360 | Iustin Pop | if val:
|
208 | d3c8b360 | Iustin Pop | return val
|
209 | d3c8b360 | Iustin Pop | else:
|
210 | d3c8b360 | Iustin Pop | return "No error information" |
211 | 781de953 | Iustin Pop | |
212 | 045dd6d9 | Iustin Pop | def Raise(self, msg, prereq=False, ecode=None): |
213 | 781de953 | Iustin Pop | """If the result has failed, raise an OpExecError.
|
214 | 781de953 | Iustin Pop |
|
215 | 781de953 | Iustin Pop | This is used so that LU code doesn't have to check for each
|
216 | 781de953 | Iustin Pop | result, but instead can call this function.
|
217 | 781de953 | Iustin Pop |
|
218 | 781de953 | Iustin Pop | """
|
219 | 4c4e4e1e | Iustin Pop | if not self.fail_msg: |
220 | 4c4e4e1e | Iustin Pop | return
|
221 | 4c4e4e1e | Iustin Pop | |
222 | 4c4e4e1e | Iustin Pop | if not msg: # one could pass None for default message |
223 | 4c4e4e1e | Iustin Pop | msg = ("Call '%s' to node '%s' has failed: %s" %
|
224 | 4c4e4e1e | Iustin Pop | (self.call, self.node, self.fail_msg)) |
225 | 4c4e4e1e | Iustin Pop | else:
|
226 | 4c4e4e1e | Iustin Pop | msg = "%s: %s" % (msg, self.fail_msg) |
227 | 4c4e4e1e | Iustin Pop | if prereq:
|
228 | 4c4e4e1e | Iustin Pop | ec = errors.OpPrereqError |
229 | 4c4e4e1e | Iustin Pop | else:
|
230 | 4c4e4e1e | Iustin Pop | ec = errors.OpExecError |
231 | 045dd6d9 | Iustin Pop | if ecode is not None: |
232 | 27137e55 | Iustin Pop | args = (msg, ecode) |
233 | 045dd6d9 | Iustin Pop | else:
|
234 | 045dd6d9 | Iustin Pop | args = (msg, ) |
235 | b459a848 | Andrea Spadaccini | raise ec(*args) # pylint: disable=W0142 |
236 | 781de953 | Iustin Pop | |
237 | 95e7e85e | Klaus Aehlig | def Warn(self, msg, feedback_fn): |
238 | 95e7e85e | Klaus Aehlig | """If the result has failed, call the feedback_fn.
|
239 | 95e7e85e | Klaus Aehlig |
|
240 | 95e7e85e | Klaus Aehlig | This is used to in cases were LU wants to warn the
|
241 | 95e7e85e | Klaus Aehlig | user about a failure, but continue anyway.
|
242 | 95e7e85e | Klaus Aehlig |
|
243 | 95e7e85e | Klaus Aehlig | """
|
244 | 95e7e85e | Klaus Aehlig | if not self.fail_msg: |
245 | 95e7e85e | Klaus Aehlig | return
|
246 | 95e7e85e | Klaus Aehlig | |
247 | 95e7e85e | Klaus Aehlig | msg = "%s: %s" % (msg, self.fail_msg) |
248 | 95e7e85e | Klaus Aehlig | feedback_fn(msg) |
249 | 95e7e85e | Klaus Aehlig | |
250 | 781de953 | Iustin Pop | |
251 | bd6d1202 | René Nussbaumer | def _SsconfResolver(ssconf_ips, node_list, _, |
252 | 00267bfe | Michael Hanselmann | ssc=ssconf.SimpleStore, |
253 | 00267bfe | Michael Hanselmann | nslookup_fn=netutils.Hostname.GetIP): |
254 | eb202c13 | Manuel Franceschini | """Return addresses for given node names.
|
255 | eb202c13 | Manuel Franceschini |
|
256 | bd6d1202 | René Nussbaumer | @type ssconf_ips: bool
|
257 | bd6d1202 | René Nussbaumer | @param ssconf_ips: Use the ssconf IPs
|
258 | eb202c13 | Manuel Franceschini | @type node_list: list
|
259 | eb202c13 | Manuel Franceschini | @param node_list: List of node names
|
260 | eb202c13 | Manuel Franceschini | @type ssc: class
|
261 | eb202c13 | Manuel Franceschini | @param ssc: SimpleStore class that is used to obtain node->ip mappings
|
262 | 17f7fd27 | Manuel Franceschini | @type nslookup_fn: callable
|
263 | 17f7fd27 | Manuel Franceschini | @param nslookup_fn: function use to do NS lookup
|
264 | 00267bfe | Michael Hanselmann | @rtype: list of tuple; (string, string)
|
265 | 00267bfe | Michael Hanselmann | @return: List of tuples containing node name and IP address
|
266 | eb202c13 | Manuel Franceschini |
|
267 | eb202c13 | Manuel Franceschini | """
|
268 | b43dcc5a | Manuel Franceschini | ss = ssc() |
269 | b43dcc5a | Manuel Franceschini | family = ss.GetPrimaryIPFamily() |
270 | bd6d1202 | René Nussbaumer | |
271 | bd6d1202 | René Nussbaumer | if ssconf_ips:
|
272 | bd6d1202 | René Nussbaumer | iplist = ss.GetNodePrimaryIPList() |
273 | bd6d1202 | René Nussbaumer | ipmap = dict(entry.split() for entry in iplist) |
274 | bd6d1202 | René Nussbaumer | else:
|
275 | bd6d1202 | René Nussbaumer | ipmap = {} |
276 | 00267bfe | Michael Hanselmann | |
277 | 00267bfe | Michael Hanselmann | result = [] |
278 | b705c7a6 | Manuel Franceschini | for node in node_list: |
279 | 00267bfe | Michael Hanselmann | ip = ipmap.get(node) |
280 | 00267bfe | Michael Hanselmann | if ip is None: |
281 | 00267bfe | Michael Hanselmann | ip = nslookup_fn(node, family=family) |
282 | 1c3231aa | Thomas Thrainer | result.append((node, ip, node)) |
283 | 00267bfe | Michael Hanselmann | |
284 | 00267bfe | Michael Hanselmann | return result
|
285 | 00267bfe | Michael Hanselmann | |
286 | 00267bfe | Michael Hanselmann | |
287 | 00267bfe | Michael Hanselmann | class _StaticResolver: |
288 | 00267bfe | Michael Hanselmann | def __init__(self, addresses): |
289 | 00267bfe | Michael Hanselmann | """Initializes this class.
|
290 | 00267bfe | Michael Hanselmann |
|
291 | 00267bfe | Michael Hanselmann | """
|
292 | 00267bfe | Michael Hanselmann | self._addresses = addresses
|
293 | 00267bfe | Michael Hanselmann | |
294 | fce5efd1 | Michael Hanselmann | def __call__(self, hosts, _): |
295 | 00267bfe | Michael Hanselmann | """Returns static addresses for hosts.
|
296 | 00267bfe | Michael Hanselmann |
|
297 | 00267bfe | Michael Hanselmann | """
|
298 | 00267bfe | Michael Hanselmann | assert len(hosts) == len(self._addresses) |
299 | 1c3231aa | Thomas Thrainer | return zip(hosts, self._addresses, hosts) |
300 | 00267bfe | Michael Hanselmann | |
301 | eb202c13 | Manuel Franceschini | |
302 | 1c3231aa | Thomas Thrainer | def _CheckConfigNode(node_uuid_or_name, node, accept_offline_node): |
303 | 00267bfe | Michael Hanselmann | """Checks if a node is online.
|
304 | eb202c13 | Manuel Franceschini |
|
305 | 1c3231aa | Thomas Thrainer | @type node_uuid_or_name: string
|
306 | 1c3231aa | Thomas Thrainer | @param node_uuid_or_name: Node UUID
|
307 | 00267bfe | Michael Hanselmann | @type node: L{objects.Node} or None
|
308 | 00267bfe | Michael Hanselmann | @param node: Node object
|
309 | eb202c13 | Manuel Franceschini |
|
310 | 00267bfe | Michael Hanselmann | """
|
311 | 00267bfe | Michael Hanselmann | if node is None: |
312 | 1c3231aa | Thomas Thrainer | # Assume that the passed parameter was actually a node name, so depend on
|
313 | 1c3231aa | Thomas Thrainer | # DNS for name resolution
|
314 | 1c3231aa | Thomas Thrainer | return (node_uuid_or_name, node_uuid_or_name, node_uuid_or_name)
|
315 | 00267bfe | Michael Hanselmann | else:
|
316 | 1c3231aa | Thomas Thrainer | if node.offline and not accept_offline_node: |
317 | 1c3231aa | Thomas Thrainer | ip = _OFFLINE |
318 | 1c3231aa | Thomas Thrainer | else:
|
319 | 1c3231aa | Thomas Thrainer | ip = node.primary_ip |
320 | 1c3231aa | Thomas Thrainer | return (node.name, ip, node_uuid_or_name)
|
321 | a8083063 | Iustin Pop | |
322 | a8083063 | Iustin Pop | |
323 | 1c3231aa | Thomas Thrainer | def _NodeConfigResolver(single_node_fn, all_nodes_fn, node_uuids, opts): |
324 | 00267bfe | Michael Hanselmann | """Calculate node addresses using configuration.
|
325 | a8083063 | Iustin Pop |
|
326 | 1c3231aa | Thomas Thrainer | Note that strings in node_uuids are treated as node names if the UUID is not
|
327 | 1c3231aa | Thomas Thrainer | found in the configuration.
|
328 | 1c3231aa | Thomas Thrainer |
|
329 | a8083063 | Iustin Pop | """
|
330 | 890ea4ce | Michael Hanselmann | accept_offline_node = (opts is rpc_defs.ACCEPT_OFFLINE_NODE)
|
331 | 890ea4ce | Michael Hanselmann | |
332 | 890ea4ce | Michael Hanselmann | assert accept_offline_node or opts is None, "Unknown option" |
333 | 890ea4ce | Michael Hanselmann | |
334 | 00267bfe | Michael Hanselmann | # Special case for single-host lookups
|
335 | 1c3231aa | Thomas Thrainer | if len(node_uuids) == 1: |
336 | 1c3231aa | Thomas Thrainer | (uuid, ) = node_uuids |
337 | 1c3231aa | Thomas Thrainer | return [_CheckConfigNode(uuid, single_node_fn(uuid), accept_offline_node)]
|
338 | 00267bfe | Michael Hanselmann | else:
|
339 | 00267bfe | Michael Hanselmann | all_nodes = all_nodes_fn() |
340 | 1c3231aa | Thomas Thrainer | return [_CheckConfigNode(uuid, all_nodes.get(uuid, None), |
341 | 890ea4ce | Michael Hanselmann | accept_offline_node) |
342 | 1c3231aa | Thomas Thrainer | for uuid in node_uuids] |
343 | 00267bfe | Michael Hanselmann | |
344 | 00267bfe | Michael Hanselmann | |
345 | 00267bfe | Michael Hanselmann | class _RpcProcessor: |
346 | aea5caef | Michael Hanselmann | def __init__(self, resolver, port, lock_monitor_cb=None): |
347 | 00267bfe | Michael Hanselmann | """Initializes this class.
|
348 | 00267bfe | Michael Hanselmann |
|
349 | 1c3231aa | Thomas Thrainer | @param resolver: callable accepting a list of node UUIDs or hostnames,
|
350 | 1c3231aa | Thomas Thrainer | returning a list of tuples containing name, IP address and original name
|
351 | 1c3231aa | Thomas Thrainer | of the resolved node. IP address can be the name or the special value
|
352 | 1c3231aa | Thomas Thrainer | L{_OFFLINE} to mark offline machines.
|
353 | 00267bfe | Michael Hanselmann | @type port: int
|
354 | 00267bfe | Michael Hanselmann | @param port: TCP port
|
355 | aea5caef | Michael Hanselmann | @param lock_monitor_cb: Callable for registering with lock monitor
|
356 | 3ef3c771 | Iustin Pop |
|
357 | a8083063 | Iustin Pop | """
|
358 | 00267bfe | Michael Hanselmann | self._resolver = resolver
|
359 | 00267bfe | Michael Hanselmann | self._port = port
|
360 | aea5caef | Michael Hanselmann | self._lock_monitor_cb = lock_monitor_cb
|
361 | eb202c13 | Manuel Franceschini | |
362 | 00267bfe | Michael Hanselmann | @staticmethod
|
363 | 00267bfe | Michael Hanselmann | def _PrepareRequests(hosts, port, procedure, body, read_timeout): |
364 | 00267bfe | Michael Hanselmann | """Prepares requests by sorting offline hosts into separate list.
|
365 | eb202c13 | Manuel Franceschini |
|
366 | d9de612c | Iustin Pop | @type body: dict
|
367 | d9de612c | Iustin Pop | @param body: a dictionary with per-host body data
|
368 | d9de612c | Iustin Pop |
|
369 | 00267bfe | Michael Hanselmann | """
|
370 | 00267bfe | Michael Hanselmann | results = {} |
371 | 00267bfe | Michael Hanselmann | requests = {} |
372 | bdf7d8c0 | Iustin Pop | |
373 | d9de612c | Iustin Pop | assert isinstance(body, dict) |
374 | d9de612c | Iustin Pop | assert len(body) == len(hosts) |
375 | d9de612c | Iustin Pop | assert compat.all(isinstance(v, str) for v in body.values()) |
376 | 1c3231aa | Thomas Thrainer | assert frozenset(map(lambda x: x[2], hosts)) == frozenset(body.keys()), \ |
377 | d9de612c | Iustin Pop | "%s != %s" % (hosts, body.keys())
|
378 | d9de612c | Iustin Pop | |
379 | 1c3231aa | Thomas Thrainer | for (name, ip, original_name) in hosts: |
380 | 00267bfe | Michael Hanselmann | if ip is _OFFLINE: |
381 | 00267bfe | Michael Hanselmann | # Node is marked as offline
|
382 | 1c3231aa | Thomas Thrainer | results[original_name] = RpcResult(node=name, |
383 | 1c3231aa | Thomas Thrainer | offline=True,
|
384 | 1c3231aa | Thomas Thrainer | call=procedure) |
385 | 00267bfe | Michael Hanselmann | else:
|
386 | 1c3231aa | Thomas Thrainer | requests[original_name] = \ |
387 | 00267bfe | Michael Hanselmann | http.client.HttpClientRequest(str(ip), port,
|
388 | 7530364d | Iustin Pop | http.HTTP_POST, str("/%s" % procedure), |
389 | 00267bfe | Michael Hanselmann | headers=_RPC_CLIENT_HEADERS, |
390 | 1c3231aa | Thomas Thrainer | post_data=body[original_name], |
391 | 7cb2d205 | Michael Hanselmann | read_timeout=read_timeout, |
392 | abbf2cd9 | Michael Hanselmann | nicename="%s/%s" % (name, procedure),
|
393 | abbf2cd9 | Michael Hanselmann | curl_config_fn=_ConfigRpcCurl) |
394 | a8083063 | Iustin Pop | |
395 | 00267bfe | Michael Hanselmann | return (results, requests)
|
396 | 00267bfe | Michael Hanselmann | |
397 | 00267bfe | Michael Hanselmann | @staticmethod
|
398 | 00267bfe | Michael Hanselmann | def _CombineResults(results, requests, procedure): |
399 | 00267bfe | Michael Hanselmann | """Combines pre-computed results for offline hosts with actual call results.
|
400 | bdf7d8c0 | Iustin Pop |
|
401 | a8083063 | Iustin Pop | """
|
402 | 00267bfe | Michael Hanselmann | for name, req in requests.items(): |
403 | 00267bfe | Michael Hanselmann | if req.success and req.resp_status_code == http.HTTP_OK: |
404 | 00267bfe | Michael Hanselmann | host_result = RpcResult(data=serializer.LoadJson(req.resp_body), |
405 | 00267bfe | Michael Hanselmann | node=name, call=procedure) |
406 | 00267bfe | Michael Hanselmann | else:
|
407 | 00267bfe | Michael Hanselmann | # TODO: Better error reporting
|
408 | 00267bfe | Michael Hanselmann | if req.error:
|
409 | 00267bfe | Michael Hanselmann | msg = req.error |
410 | 00267bfe | Michael Hanselmann | else:
|
411 | 00267bfe | Michael Hanselmann | msg = req.resp_body |
412 | eb202c13 | Manuel Franceschini | |
413 | 00267bfe | Michael Hanselmann | logging.error("RPC error in %s on node %s: %s", procedure, name, msg)
|
414 | 00267bfe | Michael Hanselmann | host_result = RpcResult(data=msg, failed=True, node=name,
|
415 | 00267bfe | Michael Hanselmann | call=procedure) |
416 | ecfe9491 | Michael Hanselmann | |
417 | 00267bfe | Michael Hanselmann | results[name] = host_result |
418 | 92fd2250 | Iustin Pop | |
419 | 00267bfe | Michael Hanselmann | return results
|
420 | a8083063 | Iustin Pop | |
421 | 1c3231aa | Thomas Thrainer | def __call__(self, nodes, procedure, body, read_timeout, resolver_opts, |
422 | 065be3f0 | Michael Hanselmann | _req_process_fn=None):
|
423 | 00267bfe | Michael Hanselmann | """Makes an RPC request to a number of nodes.
|
424 | ecfe9491 | Michael Hanselmann |
|
425 | 1c3231aa | Thomas Thrainer | @type nodes: sequence
|
426 | 1c3231aa | Thomas Thrainer | @param nodes: node UUIDs or Hostnames
|
427 | 00267bfe | Michael Hanselmann | @type procedure: string
|
428 | 00267bfe | Michael Hanselmann | @param procedure: Request path
|
429 | d9de612c | Iustin Pop | @type body: dictionary
|
430 | d9de612c | Iustin Pop | @param body: dictionary with request bodies per host
|
431 | 00267bfe | Michael Hanselmann | @type read_timeout: int or None
|
432 | 00267bfe | Michael Hanselmann | @param read_timeout: Read timeout for request
|
433 | 05325a35 | Bernardo Dal Seno | @rtype: dictionary
|
434 | 05325a35 | Bernardo Dal Seno | @return: a dictionary mapping host names to rpc.RpcResult objects
|
435 | a8083063 | Iustin Pop |
|
436 | a8083063 | Iustin Pop | """
|
437 | 83e7af18 | Michael Hanselmann | assert read_timeout is not None, \ |
438 | 83e7af18 | Michael Hanselmann | "Missing RPC read timeout for procedure '%s'" % procedure
|
439 | a8083063 | Iustin Pop | |
440 | 065be3f0 | Michael Hanselmann | if _req_process_fn is None: |
441 | 065be3f0 | Michael Hanselmann | _req_process_fn = http.client.ProcessRequests |
442 | 065be3f0 | Michael Hanselmann | |
443 | 00267bfe | Michael Hanselmann | (results, requests) = \ |
444 | 1c3231aa | Thomas Thrainer | self._PrepareRequests(self._resolver(nodes, resolver_opts), self._port, |
445 | fce5efd1 | Michael Hanselmann | procedure, body, read_timeout) |
446 | a8083063 | Iustin Pop | |
447 | abbf2cd9 | Michael Hanselmann | _req_process_fn(requests.values(), lock_monitor_cb=self._lock_monitor_cb)
|
448 | a8083063 | Iustin Pop | |
449 | 00267bfe | Michael Hanselmann | assert not frozenset(results).intersection(requests) |
450 | ecfe9491 | Michael Hanselmann | |
451 | 00267bfe | Michael Hanselmann | return self._CombineResults(results, requests, procedure) |
452 | a8083063 | Iustin Pop | |
453 | a8083063 | Iustin Pop | |
454 | cd40dc53 | Michael Hanselmann | class _RpcClientBase: |
455 | 065be3f0 | Michael Hanselmann | def __init__(self, resolver, encoder_fn, lock_monitor_cb=None, |
456 | 065be3f0 | Michael Hanselmann | _req_process_fn=None):
|
457 | cd40dc53 | Michael Hanselmann | """Initializes this class.
|
458 | cd40dc53 | Michael Hanselmann |
|
459 | cd40dc53 | Michael Hanselmann | """
|
460 | 065be3f0 | Michael Hanselmann | proc = _RpcProcessor(resolver, |
461 | 065be3f0 | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED), |
462 | 065be3f0 | Michael Hanselmann | lock_monitor_cb=lock_monitor_cb) |
463 | 065be3f0 | Michael Hanselmann | self._proc = compat.partial(proc, _req_process_fn=_req_process_fn)
|
464 | cd40dc53 | Michael Hanselmann | self._encoder = compat.partial(self._EncodeArg, encoder_fn) |
465 | cd40dc53 | Michael Hanselmann | |
466 | cd40dc53 | Michael Hanselmann | @staticmethod
|
467 | 0c3d9c7c | Thomas Thrainer | def _EncodeArg(encoder_fn, node, (argkind, value)): |
468 | cd40dc53 | Michael Hanselmann | """Encode argument.
|
469 | cd40dc53 | Michael Hanselmann |
|
470 | cd40dc53 | Michael Hanselmann | """
|
471 | cd40dc53 | Michael Hanselmann | if argkind is None: |
472 | cd40dc53 | Michael Hanselmann | return value
|
473 | cd40dc53 | Michael Hanselmann | else:
|
474 | 0c3d9c7c | Thomas Thrainer | return encoder_fn(argkind)(node, value)
|
475 | cd40dc53 | Michael Hanselmann | |
476 | f7d9b3aa | Michael Hanselmann | def _Call(self, cdef, node_list, args): |
477 | cd40dc53 | Michael Hanselmann | """Entry point for automatically generated RPC wrappers.
|
478 | cd40dc53 | Michael Hanselmann |
|
479 | cd40dc53 | Michael Hanselmann | """
|
480 | dd6d2d09 | Michael Hanselmann | (procedure, _, resolver_opts, timeout, argdefs, |
481 | dd6d2d09 | Michael Hanselmann | prep_fn, postproc_fn, _) = cdef |
482 | f7d9b3aa | Michael Hanselmann | |
483 | f7d9b3aa | Michael Hanselmann | if callable(timeout): |
484 | f7d9b3aa | Michael Hanselmann | read_timeout = timeout(args) |
485 | f7d9b3aa | Michael Hanselmann | else:
|
486 | f7d9b3aa | Michael Hanselmann | read_timeout = timeout |
487 | cd40dc53 | Michael Hanselmann | |
488 | dd6d2d09 | Michael Hanselmann | if callable(resolver_opts): |
489 | dd6d2d09 | Michael Hanselmann | req_resolver_opts = resolver_opts(args) |
490 | dd6d2d09 | Michael Hanselmann | else:
|
491 | dd6d2d09 | Michael Hanselmann | req_resolver_opts = resolver_opts |
492 | dd6d2d09 | Michael Hanselmann | |
493 | e78667fe | Michael Hanselmann | if len(args) != len(argdefs): |
494 | e78667fe | Michael Hanselmann | raise errors.ProgrammerError("Number of passed arguments doesn't match") |
495 | e78667fe | Michael Hanselmann | |
496 | d9de612c | Iustin Pop | if prep_fn is None: |
497 | 0c3d9c7c | Thomas Thrainer | prep_fn = lambda _, args: args
|
498 | 0c3d9c7c | Thomas Thrainer | assert callable(prep_fn) |
499 | 0c3d9c7c | Thomas Thrainer | |
500 | 0c3d9c7c | Thomas Thrainer | # encode the arguments for each node individually, pass them and the node
|
501 | 0c3d9c7c | Thomas Thrainer | # name to the prep_fn, and serialise its return value
|
502 | 0c3d9c7c | Thomas Thrainer | encode_args_fn = lambda node: map(compat.partial(self._encoder, node), |
503 | 0c3d9c7c | Thomas Thrainer | zip(map(compat.snd, argdefs), args)) |
504 | 0c3d9c7c | Thomas Thrainer | pnbody = dict((n, serializer.DumpJson(prep_fn(n, encode_args_fn(n))))
|
505 | 0c3d9c7c | Thomas Thrainer | for n in node_list) |
506 | d9de612c | Iustin Pop | |
507 | fce5efd1 | Michael Hanselmann | result = self._proc(node_list, procedure, pnbody, read_timeout,
|
508 | fce5efd1 | Michael Hanselmann | req_resolver_opts) |
509 | 26d502d0 | Michael Hanselmann | |
510 | 26d502d0 | Michael Hanselmann | if postproc_fn:
|
511 | d9da5065 | Michael Hanselmann | return dict(map(lambda (key, value): (key, postproc_fn(value)), |
512 | d9da5065 | Michael Hanselmann | result.items())) |
513 | 26d502d0 | Michael Hanselmann | else:
|
514 | 26d502d0 | Michael Hanselmann | return result
|
515 | cd40dc53 | Michael Hanselmann | |
516 | cd40dc53 | Michael Hanselmann | |
517 | 0c3d9c7c | Thomas Thrainer | def _ObjectToDict(_, value): |
518 | cd40dc53 | Michael Hanselmann | """Converts an object to a dictionary.
|
519 | cd40dc53 | Michael Hanselmann |
|
520 | cd40dc53 | Michael Hanselmann | @note: See L{objects}.
|
521 | cd40dc53 | Michael Hanselmann |
|
522 | cd40dc53 | Michael Hanselmann | """
|
523 | cd40dc53 | Michael Hanselmann | return value.ToDict()
|
524 | cd40dc53 | Michael Hanselmann | |
525 | cd40dc53 | Michael Hanselmann | |
526 | 0c3d9c7c | Thomas Thrainer | def _ObjectListToDict(node, value): |
527 | cd40dc53 | Michael Hanselmann | """Converts a list of L{objects} to dictionaries.
|
528 | cd40dc53 | Michael Hanselmann |
|
529 | cd40dc53 | Michael Hanselmann | """
|
530 | 0c3d9c7c | Thomas Thrainer | return map(compat.partial(_ObjectToDict, node), value) |
531 | cd40dc53 | Michael Hanselmann | |
532 | cd40dc53 | Michael Hanselmann | |
533 | 0c3d9c7c | Thomas Thrainer | def _PrepareFileUpload(getents_fn, node, filename): |
534 | cd40dc53 | Michael Hanselmann | """Loads a file and prepares it for an upload to nodes.
|
535 | cd40dc53 | Michael Hanselmann |
|
536 | cd40dc53 | Michael Hanselmann | """
|
537 | 2ce40421 | Michael Hanselmann | statcb = utils.FileStatHelper() |
538 | 0c3d9c7c | Thomas Thrainer | data = _Compress(node, utils.ReadFile(filename, preread=statcb)) |
539 | 2ce40421 | Michael Hanselmann | st = statcb.st |
540 | 601dfcbb | Michael Hanselmann | |
541 | 601dfcbb | Michael Hanselmann | if getents_fn is None: |
542 | 601dfcbb | Michael Hanselmann | getents_fn = runtime.GetEnts |
543 | 601dfcbb | Michael Hanselmann | |
544 | 601dfcbb | Michael Hanselmann | getents = getents_fn() |
545 | 601dfcbb | Michael Hanselmann | |
546 | cffbbae7 | Michael Hanselmann | virt_filename = vcluster.MakeVirtualPath(filename) |
547 | cffbbae7 | Michael Hanselmann | |
548 | cffbbae7 | Michael Hanselmann | return [virt_filename, data, st.st_mode, getents.LookupUid(st.st_uid),
|
549 | cd40dc53 | Michael Hanselmann | getents.LookupGid(st.st_gid), st.st_atime, st.st_mtime] |
550 | cd40dc53 | Michael Hanselmann | |
551 | cd40dc53 | Michael Hanselmann | |
552 | 0c3d9c7c | Thomas Thrainer | def _PrepareFinalizeExportDisks(_, snap_disks): |
553 | cd40dc53 | Michael Hanselmann | """Encodes disks for finalizing export.
|
554 | cd40dc53 | Michael Hanselmann |
|
555 | cd40dc53 | Michael Hanselmann | """
|
556 | cd40dc53 | Michael Hanselmann | flat_disks = [] |
557 | cd40dc53 | Michael Hanselmann | |
558 | cd40dc53 | Michael Hanselmann | for disk in snap_disks: |
559 | cd40dc53 | Michael Hanselmann | if isinstance(disk, bool): |
560 | cd40dc53 | Michael Hanselmann | flat_disks.append(disk) |
561 | cd40dc53 | Michael Hanselmann | else:
|
562 | cd40dc53 | Michael Hanselmann | flat_disks.append(disk.ToDict()) |
563 | cd40dc53 | Michael Hanselmann | |
564 | cd40dc53 | Michael Hanselmann | return flat_disks
|
565 | cd40dc53 | Michael Hanselmann | |
566 | cd40dc53 | Michael Hanselmann | |
567 | 0c3d9c7c | Thomas Thrainer | def _EncodeBlockdevRename(_, value): |
568 | cd40dc53 | Michael Hanselmann | """Encodes information for renaming block devices.
|
569 | cd40dc53 | Michael Hanselmann |
|
570 | cd40dc53 | Michael Hanselmann | """
|
571 | cd40dc53 | Michael Hanselmann | return [(d.ToDict(), uid) for d, uid in value] |
572 | cd40dc53 | Michael Hanselmann | |
573 | cd40dc53 | Michael Hanselmann | |
574 | 32389d91 | Helga Velroyen | def _AddSpindlesToLegacyNodeInfo(result, space_info): |
575 | 32389d91 | Helga Velroyen | """Extracts the spindle information from the space info and adds
|
576 | 32389d91 | Helga Velroyen | it to the result dictionary.
|
577 | 32389d91 | Helga Velroyen |
|
578 | 32389d91 | Helga Velroyen | @type result: dict of strings
|
579 | 32389d91 | Helga Velroyen | @param result: dictionary holding the result of the legacy node info
|
580 | 32389d91 | Helga Velroyen | @type space_info: list of dicts of strings
|
581 | 32389d91 | Helga Velroyen | @param space_info: list, each row holding space information of one storage
|
582 | 32389d91 | Helga Velroyen | unit
|
583 | 32389d91 | Helga Velroyen | @rtype: None
|
584 | 32389d91 | Helga Velroyen | @return: does not return anything, manipulates the C{result} variable
|
585 | 32389d91 | Helga Velroyen |
|
586 | 32389d91 | Helga Velroyen | """
|
587 | 32389d91 | Helga Velroyen | lvm_pv_info = utils.storage.LookupSpaceInfoByStorageType( |
588 | 32389d91 | Helga Velroyen | space_info, constants.ST_LVM_PV) |
589 | 32389d91 | Helga Velroyen | if lvm_pv_info:
|
590 | 32389d91 | Helga Velroyen | result["spindles_free"] = lvm_pv_info["storage_free"] |
591 | 32389d91 | Helga Velroyen | result["spindles_total"] = lvm_pv_info["storage_size"] |
592 | 20faaa74 | Helga Velroyen | else:
|
593 | 6c00b2c7 | Helga Velroyen | result["spindles_free"] = 0 |
594 | 6c00b2c7 | Helga Velroyen | result["spindles_total"] = 0 |
595 | 06fb92cf | Bernardo Dal Seno | |
596 | 06fb92cf | Bernardo Dal Seno | |
597 | 6c00b2c7 | Helga Velroyen | def _AddStorageInfoToLegacyNodeInfoByTemplate( |
598 | 6c00b2c7 | Helga Velroyen | result, space_info, disk_template): |
599 | 6c00b2c7 | Helga Velroyen | """Extracts the storage space information of the disk template from
|
600 | 32389d91 | Helga Velroyen | the space info and adds it to the result dictionary.
|
601 | 32389d91 | Helga Velroyen |
|
602 | 32389d91 | Helga Velroyen | @see: C{_AddSpindlesToLegacyNodeInfo} for parameter information.
|
603 | 06fb92cf | Bernardo Dal Seno |
|
604 | 06fb92cf | Bernardo Dal Seno | """
|
605 | 6c00b2c7 | Helga Velroyen | if utils.storage.DiskTemplateSupportsSpaceReporting(disk_template):
|
606 | 6c00b2c7 | Helga Velroyen | disk_info = utils.storage.LookupSpaceInfoByDiskTemplate( |
607 | 6c00b2c7 | Helga Velroyen | space_info, disk_template) |
608 | 6c00b2c7 | Helga Velroyen | result["name"] = disk_info["name"] |
609 | 6c00b2c7 | Helga Velroyen | result["storage_free"] = disk_info["storage_free"] |
610 | 6c00b2c7 | Helga Velroyen | result["storage_size"] = disk_info["storage_size"] |
611 | 06fb92cf | Bernardo Dal Seno | else:
|
612 | 6c00b2c7 | Helga Velroyen | # FIXME: consider displaying '-' in this case
|
613 | 6c00b2c7 | Helga Velroyen | result["storage_free"] = 0 |
614 | 6c00b2c7 | Helga Velroyen | result["storage_size"] = 0 |
615 | 06fb92cf | Bernardo Dal Seno | |
616 | 06fb92cf | Bernardo Dal Seno | |
617 | 6c00b2c7 | Helga Velroyen | def MakeLegacyNodeInfo(data, disk_template): |
618 | b112bfc4 | René Nussbaumer | """Formats the data returned by L{rpc.RpcRunner.call_node_info}.
|
619 | b112bfc4 | René Nussbaumer |
|
620 | b112bfc4 | René Nussbaumer | Converts the data into a single dictionary. This is fine for most use cases,
|
621 | b112bfc4 | René Nussbaumer | but some require information from more than one volume group or hypervisor.
|
622 | b112bfc4 | René Nussbaumer |
|
623 | b112bfc4 | René Nussbaumer | """
|
624 | 32389d91 | Helga Velroyen | (bootid, space_info, (hv_info, )) = data |
625 | 91c17910 | Iustin Pop | |
626 | 91c17910 | Iustin Pop | ret = utils.JoinDisjointDicts(hv_info, {"bootid": bootid})
|
627 | 91c17910 | Iustin Pop | |
628 | 6c00b2c7 | Helga Velroyen | _AddSpindlesToLegacyNodeInfo(ret, space_info) |
629 | 6c00b2c7 | Helga Velroyen | _AddStorageInfoToLegacyNodeInfoByTemplate(ret, space_info, disk_template) |
630 | b112bfc4 | René Nussbaumer | |
631 | 91c17910 | Iustin Pop | return ret
|
632 | b112bfc4 | René Nussbaumer | |
633 | b112bfc4 | René Nussbaumer | |
634 | cd46491f | René Nussbaumer | def _AnnotateDParamsDRBD(disk, (drbd_params, data_params, meta_params)): |
635 | cd46491f | René Nussbaumer | """Annotates just DRBD disks layouts.
|
636 | cd46491f | René Nussbaumer |
|
637 | cd46491f | René Nussbaumer | """
|
638 | cd3b4ff4 | Helga Velroyen | assert disk.dev_type == constants.DT_DRBD8
|
639 | cd46491f | René Nussbaumer | |
640 | cd46491f | René Nussbaumer | disk.params = objects.FillDict(drbd_params, disk.params) |
641 | cd46491f | René Nussbaumer | (dev_data, dev_meta) = disk.children |
642 | cd46491f | René Nussbaumer | dev_data.params = objects.FillDict(data_params, dev_data.params) |
643 | cd46491f | René Nussbaumer | dev_meta.params = objects.FillDict(meta_params, dev_meta.params) |
644 | cd46491f | René Nussbaumer | |
645 | cd46491f | René Nussbaumer | return disk
|
646 | cd46491f | René Nussbaumer | |
647 | cd46491f | René Nussbaumer | |
648 | cd46491f | René Nussbaumer | def _AnnotateDParamsGeneric(disk, (params, )): |
649 | cd46491f | René Nussbaumer | """Generic disk parameter annotation routine.
|
650 | cd46491f | René Nussbaumer |
|
651 | cd46491f | René Nussbaumer | """
|
652 | cd3b4ff4 | Helga Velroyen | assert disk.dev_type != constants.DT_DRBD8
|
653 | cd46491f | René Nussbaumer | |
654 | cd46491f | René Nussbaumer | disk.params = objects.FillDict(params, disk.params) |
655 | cd46491f | René Nussbaumer | |
656 | cd46491f | René Nussbaumer | return disk
|
657 | cd46491f | René Nussbaumer | |
658 | cd46491f | René Nussbaumer | |
659 | 0c3d9c7c | Thomas Thrainer | def AnnotateDiskParams(disks, disk_params): |
660 | cd46491f | René Nussbaumer | """Annotates the disk objects with the disk parameters.
|
661 | cd46491f | René Nussbaumer |
|
662 | cd46491f | René Nussbaumer | @param disks: The list of disks objects to annotate
|
663 | 0c3d9c7c | Thomas Thrainer | @param disk_params: The disk parameters for annotation
|
664 | cd46491f | René Nussbaumer | @returns: A list of disk objects annotated
|
665 | cd46491f | René Nussbaumer |
|
666 | cd46491f | René Nussbaumer | """
|
667 | 0c3d9c7c | Thomas Thrainer | def AnnotateDisk(disk): |
668 | 0c3d9c7c | Thomas Thrainer | if disk.dev_type == constants.DT_DISKLESS:
|
669 | 0c3d9c7c | Thomas Thrainer | return disk
|
670 | cd46491f | René Nussbaumer | |
671 | 0c3d9c7c | Thomas Thrainer | ld_params = objects.Disk.ComputeLDParams(disk.dev_type, disk_params) |
672 | cd46491f | René Nussbaumer | |
673 | 0c3d9c7c | Thomas Thrainer | if disk.dev_type == constants.DT_DRBD8:
|
674 | 0c3d9c7c | Thomas Thrainer | return _AnnotateDParamsDRBD(disk, ld_params)
|
675 | 0c3d9c7c | Thomas Thrainer | else:
|
676 | 0c3d9c7c | Thomas Thrainer | return _AnnotateDParamsGeneric(disk, ld_params)
|
677 | 0c3d9c7c | Thomas Thrainer | |
678 | 0c3d9c7c | Thomas Thrainer | return [AnnotateDisk(disk.Copy()) for disk in disks] |
679 | cd46491f | René Nussbaumer | |
680 | cd46491f | René Nussbaumer | |
681 | da803ff1 | Helga Velroyen | def _GetExclusiveStorageFlag(cfg, node_uuid): |
682 | 1c3231aa | Thomas Thrainer | ni = cfg.GetNodeInfo(node_uuid) |
683 | 319322a7 | Bernardo Dal Seno | if ni is None: |
684 | 1c3231aa | Thomas Thrainer | raise errors.OpPrereqError("Invalid node name %s" % node_uuid, |
685 | 319322a7 | Bernardo Dal Seno | errors.ECODE_NOENT) |
686 | 319322a7 | Bernardo Dal Seno | return cfg.GetNdParams(ni)[constants.ND_EXCLUSIVE_STORAGE]
|
687 | 319322a7 | Bernardo Dal Seno | |
688 | 319322a7 | Bernardo Dal Seno | |
689 | da803ff1 | Helga Velroyen | def _AddExclusiveStorageFlagToLvmStorageUnits(storage_units, es_flag): |
690 | da803ff1 | Helga Velroyen | """Adds the exclusive storage flag to lvm units.
|
691 | da803ff1 | Helga Velroyen |
|
692 | da803ff1 | Helga Velroyen | This function creates a copy of the storage_units lists, with the
|
693 | da803ff1 | Helga Velroyen | es_flag being added to all lvm storage units.
|
694 | da803ff1 | Helga Velroyen |
|
695 | da803ff1 | Helga Velroyen | @type storage_units: list of pairs (string, string)
|
696 | da803ff1 | Helga Velroyen | @param storage_units: list of 'raw' storage units, consisting only of
|
697 | da803ff1 | Helga Velroyen | (storage_type, storage_key)
|
698 | da803ff1 | Helga Velroyen | @type es_flag: boolean
|
699 | da803ff1 | Helga Velroyen | @param es_flag: exclusive storage flag
|
700 | da803ff1 | Helga Velroyen | @rtype: list of tuples (string, string, list)
|
701 | da803ff1 | Helga Velroyen | @return: list of storage units (storage_type, storage_key, params) with
|
702 | da803ff1 | Helga Velroyen | the params containing the es_flag for lvm-vg storage units
|
703 | da803ff1 | Helga Velroyen |
|
704 | da803ff1 | Helga Velroyen | """
|
705 | da803ff1 | Helga Velroyen | result = [] |
706 | da803ff1 | Helga Velroyen | for (storage_type, storage_key) in storage_units: |
707 | e7098533 | Helga Velroyen | if storage_type in [constants.ST_LVM_VG]: |
708 | 52a8a6ae | Helga Velroyen | result.append((storage_type, storage_key, [es_flag])) |
709 | e7098533 | Helga Velroyen | if es_flag:
|
710 | e7098533 | Helga Velroyen | result.append((constants.ST_LVM_PV, storage_key, [es_flag])) |
711 | da803ff1 | Helga Velroyen | else:
|
712 | da803ff1 | Helga Velroyen | result.append((storage_type, storage_key, [])) |
713 | da803ff1 | Helga Velroyen | return result
|
714 | da803ff1 | Helga Velroyen | |
715 | da803ff1 | Helga Velroyen | |
716 | 1c3231aa | Thomas Thrainer | def GetExclusiveStorageForNodes(cfg, node_uuids): |
717 | 319322a7 | Bernardo Dal Seno | """Return the exclusive storage flag for all the given nodes.
|
718 | 319322a7 | Bernardo Dal Seno |
|
719 | 319322a7 | Bernardo Dal Seno | @type cfg: L{config.ConfigWriter}
|
720 | 319322a7 | Bernardo Dal Seno | @param cfg: cluster configuration
|
721 | 1c3231aa | Thomas Thrainer | @type node_uuids: list or tuple
|
722 | 1c3231aa | Thomas Thrainer | @param node_uuids: node UUIDs for which to read the flag
|
723 | 319322a7 | Bernardo Dal Seno | @rtype: dict
|
724 | da803ff1 | Helga Velroyen | @return: mapping from node uuids to exclusive storage flags
|
725 | 1c3231aa | Thomas Thrainer | @raise errors.OpPrereqError: if any given node name has no corresponding
|
726 | 1c3231aa | Thomas Thrainer | node
|
727 | 319322a7 | Bernardo Dal Seno |
|
728 | 319322a7 | Bernardo Dal Seno | """
|
729 | da803ff1 | Helga Velroyen | getflag = lambda n: _GetExclusiveStorageFlag(cfg, n)
|
730 | 1c3231aa | Thomas Thrainer | flags = map(getflag, node_uuids)
|
731 | 1c3231aa | Thomas Thrainer | return dict(zip(node_uuids, flags)) |
732 | 319322a7 | Bernardo Dal Seno | |
733 | 319322a7 | Bernardo Dal Seno | |
734 | da803ff1 | Helga Velroyen | def PrepareStorageUnitsForNodes(cfg, storage_units, node_uuids): |
735 | da803ff1 | Helga Velroyen | """Return the lvm storage unit for all the given nodes.
|
736 | da803ff1 | Helga Velroyen |
|
737 | da803ff1 | Helga Velroyen | Main purpose of this function is to map the exclusive storage flag, which
|
738 | da803ff1 | Helga Velroyen | can be different for each node, to the default LVM storage unit.
|
739 | da803ff1 | Helga Velroyen |
|
740 | da803ff1 | Helga Velroyen | @type cfg: L{config.ConfigWriter}
|
741 | da803ff1 | Helga Velroyen | @param cfg: cluster configuration
|
742 | da803ff1 | Helga Velroyen | @type storage_units: list of pairs (string, string)
|
743 | da803ff1 | Helga Velroyen | @param storage_units: list of 'raw' storage units, e.g. pairs of
|
744 | da803ff1 | Helga Velroyen | (storage_type, storage_key)
|
745 | da803ff1 | Helga Velroyen | @type node_uuids: list or tuple
|
746 | da803ff1 | Helga Velroyen | @param node_uuids: node UUIDs for which to read the flag
|
747 | da803ff1 | Helga Velroyen | @rtype: dict
|
748 | da803ff1 | Helga Velroyen | @return: mapping from node uuids to a list of storage units which include
|
749 | da803ff1 | Helga Velroyen | the exclusive storage flag for lvm storage
|
750 | da803ff1 | Helga Velroyen | @raise errors.OpPrereqError: if any given node name has no corresponding
|
751 | da803ff1 | Helga Velroyen | node
|
752 | da803ff1 | Helga Velroyen |
|
753 | da803ff1 | Helga Velroyen | """
|
754 | da803ff1 | Helga Velroyen | getunit = lambda n: _AddExclusiveStorageFlagToLvmStorageUnits(
|
755 | da803ff1 | Helga Velroyen | storage_units, _GetExclusiveStorageFlag(cfg, n)) |
756 | da803ff1 | Helga Velroyen | flags = map(getunit, node_uuids)
|
757 | da803ff1 | Helga Velroyen | return dict(zip(node_uuids, flags)) |
758 | da803ff1 | Helga Velroyen | |
759 | da803ff1 | Helga Velroyen | |
760 | cd40dc53 | Michael Hanselmann | #: Generic encoders
|
761 | cd40dc53 | Michael Hanselmann | _ENCODERS = { |
762 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_OBJECT_DICT: _ObjectToDict, |
763 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_OBJECT_DICT_LIST: _ObjectListToDict, |
764 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_COMPRESS: _Compress, |
765 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_FINALIZE_EXPORT_DISKS: _PrepareFinalizeExportDisks, |
766 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_BLOCKDEV_RENAME: _EncodeBlockdevRename, |
767 | cd40dc53 | Michael Hanselmann | } |
768 | cd40dc53 | Michael Hanselmann | |
769 | cd40dc53 | Michael Hanselmann | |
770 | cd40dc53 | Michael Hanselmann | class RpcRunner(_RpcClientBase, |
771 | cd40dc53 | Michael Hanselmann | _generated_rpc.RpcClientDefault, |
772 | 415a7304 | Michael Hanselmann | _generated_rpc.RpcClientBootstrap, |
773 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly, |
774 | 415a7304 | Michael Hanselmann | _generated_rpc.RpcClientConfig): |
775 | 87b3cb26 | Michael Hanselmann | """RPC runner class.
|
776 | a8083063 | Iustin Pop |
|
777 | 87b3cb26 | Michael Hanselmann | """
|
778 | d5ea30e8 | Michael Hanselmann | def __init__(self, cfg, lock_monitor_cb, _req_process_fn=None, _getents=None): |
779 | 87b3cb26 | Michael Hanselmann | """Initialized the RPC runner.
|
780 | a8083063 | Iustin Pop |
|
781 | d5ea30e8 | Michael Hanselmann | @type cfg: L{config.ConfigWriter}
|
782 | d5ea30e8 | Michael Hanselmann | @param cfg: Configuration
|
783 | d5ea30e8 | Michael Hanselmann | @type lock_monitor_cb: callable
|
784 | d5ea30e8 | Michael Hanselmann | @param lock_monitor_cb: Lock monitor callback
|
785 | a8083063 | Iustin Pop |
|
786 | 72737a7f | Iustin Pop | """
|
787 | d5ea30e8 | Michael Hanselmann | self._cfg = cfg
|
788 | cd40dc53 | Michael Hanselmann | |
789 | cd40dc53 | Michael Hanselmann | encoders = _ENCODERS.copy() |
790 | cd40dc53 | Michael Hanselmann | |
791 | cd40dc53 | Michael Hanselmann | encoders.update({ |
792 | 601dfcbb | Michael Hanselmann | # Encoders requiring configuration object
|
793 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_INST_DICT: self._InstDict,
|
794 | 5fce6a89 | Constantinos Venetsanopoulos | rpc_defs.ED_INST_DICT_HVP_BEP_DP: self._InstDictHvpBepDp,
|
795 | b8291e00 | René Nussbaumer | rpc_defs.ED_INST_DICT_OSP_DP: self._InstDictOspDp,
|
796 | cbe4a0a5 | Dimitris Aragiorgis | rpc_defs.ED_NIC_DICT: self._NicDict,
|
797 | c5708931 | Dimitris Aragiorgis | rpc_defs.ED_DEVICE_DICT: self._DeviceDict,
|
798 | 601dfcbb | Michael Hanselmann | |
799 | aedf5fd7 | René Nussbaumer | # Encoders annotating disk parameters
|
800 | aedf5fd7 | René Nussbaumer | rpc_defs.ED_DISKS_DICT_DP: self._DisksDictDP,
|
801 | 235a6b29 | Thomas Thrainer | rpc_defs.ED_MULTI_DISKS_DICT_DP: self._MultiDiskDictDP,
|
802 | aedf5fd7 | René Nussbaumer | rpc_defs.ED_SINGLE_DISK_DICT_DP: self._SingleDiskDictDP,
|
803 | 0c3d9c7c | Thomas Thrainer | rpc_defs.ED_NODE_TO_DISK_DICT_DP: self._EncodeNodeToDiskDictDP,
|
804 | aedf5fd7 | René Nussbaumer | |
805 | 601dfcbb | Michael Hanselmann | # Encoders with special requirements
|
806 | 601dfcbb | Michael Hanselmann | rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents), |
807 | 0c3d9c7c | Thomas Thrainer | |
808 | 0c3d9c7c | Thomas Thrainer | rpc_defs.ED_IMPEXP_IO: self._EncodeImportExportIO,
|
809 | cd40dc53 | Michael Hanselmann | }) |
810 | cd40dc53 | Michael Hanselmann | |
811 | cd40dc53 | Michael Hanselmann | # Resolver using configuration
|
812 | d5ea30e8 | Michael Hanselmann | resolver = compat.partial(_NodeConfigResolver, cfg.GetNodeInfo, |
813 | d5ea30e8 | Michael Hanselmann | cfg.GetAllNodesInfo) |
814 | cd40dc53 | Michael Hanselmann | |
815 | db04ce5d | Michael Hanselmann | # Pylint doesn't recognize multiple inheritance properly, see
|
816 | db04ce5d | Michael Hanselmann | # <http://www.logilab.org/ticket/36586> and
|
817 | db04ce5d | Michael Hanselmann | # <http://www.logilab.org/ticket/35642>
|
818 | db04ce5d | Michael Hanselmann | # pylint: disable=W0233
|
819 | cd40dc53 | Michael Hanselmann | _RpcClientBase.__init__(self, resolver, encoders.get,
|
820 | d5ea30e8 | Michael Hanselmann | lock_monitor_cb=lock_monitor_cb, |
821 | d5ea30e8 | Michael Hanselmann | _req_process_fn=_req_process_fn) |
822 | 415a7304 | Michael Hanselmann | _generated_rpc.RpcClientConfig.__init__(self)
|
823 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap.__init__(self)
|
824 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly.__init__(self)
|
825 | 200de241 | Michael Hanselmann | _generated_rpc.RpcClientDefault.__init__(self)
|
826 | 200de241 | Michael Hanselmann | |
827 | 0c3d9c7c | Thomas Thrainer | def _NicDict(self, _, nic): |
828 | cbe4a0a5 | Dimitris Aragiorgis | """Convert the given nic to a dict and encapsulate netinfo
|
829 | cbe4a0a5 | Dimitris Aragiorgis |
|
830 | cbe4a0a5 | Dimitris Aragiorgis | """
|
831 | cbe4a0a5 | Dimitris Aragiorgis | n = copy.deepcopy(nic) |
832 | cbe4a0a5 | Dimitris Aragiorgis | if n.network:
|
833 | cbe4a0a5 | Dimitris Aragiorgis | net_uuid = self._cfg.LookupNetwork(n.network)
|
834 | cbe4a0a5 | Dimitris Aragiorgis | if net_uuid:
|
835 | cbe4a0a5 | Dimitris Aragiorgis | nobj = self._cfg.GetNetwork(net_uuid)
|
836 | cbe4a0a5 | Dimitris Aragiorgis | n.netinfo = objects.Network.ToDict(nobj) |
837 | cbe4a0a5 | Dimitris Aragiorgis | return n.ToDict()
|
838 | cbe4a0a5 | Dimitris Aragiorgis | |
839 | 51951d38 | Dimitris Aragiorgis | def _DeviceDict(self, _, (device, instance)): |
840 | c5708931 | Dimitris Aragiorgis | if isinstance(device, objects.NIC): |
841 | c5708931 | Dimitris Aragiorgis | return self._NicDict(None, device) |
842 | c5708931 | Dimitris Aragiorgis | elif isinstance(device, objects.Disk): |
843 | 51951d38 | Dimitris Aragiorgis | return self._SingleDiskDictDP(None, (device, instance)) |
844 | c5708931 | Dimitris Aragiorgis | |
845 | 0c3d9c7c | Thomas Thrainer | def _InstDict(self, node, instance, hvp=None, bep=None, osp=None): |
846 | 26ba2bd8 | Iustin Pop | """Convert the given instance to a dict.
|
847 | 26ba2bd8 | Iustin Pop |
|
848 | 26ba2bd8 | Iustin Pop | This is done via the instance's ToDict() method and additionally
|
849 | 26ba2bd8 | Iustin Pop | we fill the hvparams with the cluster defaults.
|
850 | 26ba2bd8 | Iustin Pop |
|
851 | 26ba2bd8 | Iustin Pop | @type instance: L{objects.Instance}
|
852 | 26ba2bd8 | Iustin Pop | @param instance: an Instance object
|
853 | 0eca8e0c | Iustin Pop | @type hvp: dict or None
|
854 | 5bbd3f7f | Michael Hanselmann | @param hvp: a dictionary with overridden hypervisor parameters
|
855 | 0eca8e0c | Iustin Pop | @type bep: dict or None
|
856 | 5bbd3f7f | Michael Hanselmann | @param bep: a dictionary with overridden backend parameters
|
857 | 1bdcbbab | Iustin Pop | @type osp: dict or None
|
858 | 8d8c4eff | Michael Hanselmann | @param osp: a dictionary with overridden os parameters
|
859 | 26ba2bd8 | Iustin Pop | @rtype: dict
|
860 | 26ba2bd8 | Iustin Pop | @return: the instance dict, with the hvparams filled with the
|
861 | 26ba2bd8 | Iustin Pop | cluster defaults
|
862 | 26ba2bd8 | Iustin Pop |
|
863 | 26ba2bd8 | Iustin Pop | """
|
864 | 26ba2bd8 | Iustin Pop | idict = instance.ToDict() |
865 | 5b442704 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
|
866 | 5b442704 | Iustin Pop | idict["hvparams"] = cluster.FillHV(instance)
|
867 | 0eca8e0c | Iustin Pop | if hvp is not None: |
868 | 0eca8e0c | Iustin Pop | idict["hvparams"].update(hvp)
|
869 | 5b442704 | Iustin Pop | idict["beparams"] = cluster.FillBE(instance)
|
870 | 0eca8e0c | Iustin Pop | if bep is not None: |
871 | 0eca8e0c | Iustin Pop | idict["beparams"].update(bep)
|
872 | 1bdcbbab | Iustin Pop | idict["osparams"] = cluster.SimpleFillOS(instance.os, instance.osparams)
|
873 | 1bdcbbab | Iustin Pop | if osp is not None: |
874 | 1bdcbbab | Iustin Pop | idict["osparams"].update(osp)
|
875 | 0c3d9c7c | Thomas Thrainer | idict["disks"] = self._DisksDictDP(node, (instance.disks, instance)) |
876 | b848ce79 | Guido Trotter | for nic in idict["nics"]: |
877 | 3ccb3a64 | Michael Hanselmann | nic["nicparams"] = objects.FillDict(
|
878 | b848ce79 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], |
879 | 3ccb3a64 | Michael Hanselmann | nic["nicparams"])
|
880 | cbe4a0a5 | Dimitris Aragiorgis | network = nic.get("network", None) |
881 | cbe4a0a5 | Dimitris Aragiorgis | if network:
|
882 | cbe4a0a5 | Dimitris Aragiorgis | net_uuid = self._cfg.LookupNetwork(network)
|
883 | cbe4a0a5 | Dimitris Aragiorgis | if net_uuid:
|
884 | cbe4a0a5 | Dimitris Aragiorgis | nobj = self._cfg.GetNetwork(net_uuid)
|
885 | cbe4a0a5 | Dimitris Aragiorgis | nic["netinfo"] = objects.Network.ToDict(nobj)
|
886 | 26ba2bd8 | Iustin Pop | return idict
|
887 | 26ba2bd8 | Iustin Pop | |
888 | 0c3d9c7c | Thomas Thrainer | def _InstDictHvpBepDp(self, node, (instance, hvp, bep)): |
889 | c4de9b7a | Michael Hanselmann | """Wrapper for L{_InstDict}.
|
890 | c4de9b7a | Michael Hanselmann |
|
891 | c4de9b7a | Michael Hanselmann | """
|
892 | 0c3d9c7c | Thomas Thrainer | return self._InstDict(node, instance, hvp=hvp, bep=bep) |
893 | c4de9b7a | Michael Hanselmann | |
894 | 0c3d9c7c | Thomas Thrainer | def _InstDictOspDp(self, node, (instance, osparams)): |
895 | c4de9b7a | Michael Hanselmann | """Wrapper for L{_InstDict}.
|
896 | c4de9b7a | Michael Hanselmann |
|
897 | c4de9b7a | Michael Hanselmann | """
|
898 | 0c3d9c7c | Thomas Thrainer | return self._InstDict(node, instance, osp=osparams) |
899 | c4de9b7a | Michael Hanselmann | |
900 | 0c3d9c7c | Thomas Thrainer | def _DisksDictDP(self, node, (disks, instance)): |
901 | aedf5fd7 | René Nussbaumer | """Wrapper for L{AnnotateDiskParams}.
|
902 | aedf5fd7 | René Nussbaumer |
|
903 | aedf5fd7 | René Nussbaumer | """
|
904 | aedf5fd7 | René Nussbaumer | diskparams = self._cfg.GetInstanceDiskParams(instance)
|
905 | 0c3d9c7c | Thomas Thrainer | ret = [] |
906 | 0c3d9c7c | Thomas Thrainer | for disk in AnnotateDiskParams(disks, diskparams): |
907 | 0c3d9c7c | Thomas Thrainer | disk_node_uuids = disk.GetNodes(instance.primary_node) |
908 | 0c3d9c7c | Thomas Thrainer | node_ips = dict((uuid, node.secondary_ip) for (uuid, node) |
909 | 0c3d9c7c | Thomas Thrainer | in self._cfg.GetMultiNodeInfo(disk_node_uuids)) |
910 | 0c3d9c7c | Thomas Thrainer | |
911 | 0c3d9c7c | Thomas Thrainer | disk.UpdateDynamicDiskParams(node, node_ips) |
912 | 0c3d9c7c | Thomas Thrainer | |
913 | a0d2a91e | Thomas Thrainer | ret.append(disk.ToDict(include_dynamic_params=True))
|
914 | aedf5fd7 | René Nussbaumer | |
915 | 0c3d9c7c | Thomas Thrainer | return ret
|
916 | 0c3d9c7c | Thomas Thrainer | |
917 | 0c3d9c7c | Thomas Thrainer | def _MultiDiskDictDP(self, node, disks_insts): |
918 | 235a6b29 | Thomas Thrainer | """Wrapper for L{AnnotateDiskParams}.
|
919 | 235a6b29 | Thomas Thrainer |
|
920 | 235a6b29 | Thomas Thrainer | Supports a list of (disk, instance) tuples.
|
921 | 235a6b29 | Thomas Thrainer | """
|
922 | 235a6b29 | Thomas Thrainer | return [disk for disk_inst in disks_insts |
923 | 0c3d9c7c | Thomas Thrainer | for disk in self._DisksDictDP(node, disk_inst)] |
924 | 235a6b29 | Thomas Thrainer | |
925 | 0c3d9c7c | Thomas Thrainer | def _SingleDiskDictDP(self, node, (disk, instance)): |
926 | aedf5fd7 | René Nussbaumer | """Wrapper for L{AnnotateDiskParams}.
|
927 | aedf5fd7 | René Nussbaumer |
|
928 | aedf5fd7 | René Nussbaumer | """
|
929 | 0c3d9c7c | Thomas Thrainer | (anno_disk,) = self._DisksDictDP(node, ([disk], instance))
|
930 | aedf5fd7 | René Nussbaumer | return anno_disk
|
931 | aedf5fd7 | René Nussbaumer | |
932 | 0c3d9c7c | Thomas Thrainer | def _EncodeNodeToDiskDictDP(self, node, value): |
933 | 0c3d9c7c | Thomas Thrainer | """Encode dict of node name -> list of (disk, instance) tuples as values.
|
934 | 0c3d9c7c | Thomas Thrainer |
|
935 | 0c3d9c7c | Thomas Thrainer | """
|
936 | 0c3d9c7c | Thomas Thrainer | return dict((name, [self._SingleDiskDictDP(node, disk) for disk in disks]) |
937 | 0c3d9c7c | Thomas Thrainer | for name, disks in value.items()) |
938 | 0c3d9c7c | Thomas Thrainer | |
939 | 0c3d9c7c | Thomas Thrainer | def _EncodeImportExportIO(self, node, (ieio, ieioargs)): |
940 | 0c3d9c7c | Thomas Thrainer | """Encodes import/export I/O information.
|
941 | 0c3d9c7c | Thomas Thrainer |
|
942 | 0c3d9c7c | Thomas Thrainer | """
|
943 | 0c3d9c7c | Thomas Thrainer | if ieio == constants.IEIO_RAW_DISK:
|
944 | 063613aa | Thomas Thrainer | assert len(ieioargs) == 2 |
945 | 063613aa | Thomas Thrainer | return (ieio, (self._SingleDiskDictDP(node, ieioargs), )) |
946 | 0c3d9c7c | Thomas Thrainer | |
947 | 0c3d9c7c | Thomas Thrainer | if ieio == constants.IEIO_SCRIPT:
|
948 | 0c3d9c7c | Thomas Thrainer | assert len(ieioargs) == 2 |
949 | 0c3d9c7c | Thomas Thrainer | return (ieio, (self._SingleDiskDictDP(node, ieioargs[0]), ieioargs[1])) |
950 | 0c3d9c7c | Thomas Thrainer | |
951 | 0c3d9c7c | Thomas Thrainer | return (ieio, ieioargs)
|
952 | 0c3d9c7c | Thomas Thrainer | |
953 | fb1ffbca | Michael Hanselmann | |
954 | cd40dc53 | Michael Hanselmann | class JobQueueRunner(_RpcClientBase, _generated_rpc.RpcClientJobQueue): |
955 | fb1ffbca | Michael Hanselmann | """RPC wrappers for job queue.
|
956 | fb1ffbca | Michael Hanselmann |
|
957 | fb1ffbca | Michael Hanselmann | """
|
958 | fb1ffbca | Michael Hanselmann | def __init__(self, context, address_list): |
959 | fb1ffbca | Michael Hanselmann | """Initializes this class.
|
960 | fb1ffbca | Michael Hanselmann |
|
961 | fb1ffbca | Michael Hanselmann | """
|
962 | fb1ffbca | Michael Hanselmann | if address_list is None: |
963 | bd6d1202 | René Nussbaumer | resolver = compat.partial(_SsconfResolver, True)
|
964 | fb1ffbca | Michael Hanselmann | else:
|
965 | fb1ffbca | Michael Hanselmann | # Caller provided an address list
|
966 | fb1ffbca | Michael Hanselmann | resolver = _StaticResolver(address_list) |
967 | fb1ffbca | Michael Hanselmann | |
968 | cd40dc53 | Michael Hanselmann | _RpcClientBase.__init__(self, resolver, _ENCODERS.get,
|
969 | cd40dc53 | Michael Hanselmann | lock_monitor_cb=context.glm.AddToLockMonitor) |
970 | cd40dc53 | Michael Hanselmann | _generated_rpc.RpcClientJobQueue.__init__(self)
|
971 | db04ce5d | Michael Hanselmann | |
972 | db04ce5d | Michael Hanselmann | |
973 | bd6d1202 | René Nussbaumer | class BootstrapRunner(_RpcClientBase, |
974 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientBootstrap, |
975 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly): |
976 | db04ce5d | Michael Hanselmann | """RPC wrappers for bootstrapping.
|
977 | db04ce5d | Michael Hanselmann |
|
978 | db04ce5d | Michael Hanselmann | """
|
979 | db04ce5d | Michael Hanselmann | def __init__(self): |
980 | db04ce5d | Michael Hanselmann | """Initializes this class.
|
981 | db04ce5d | Michael Hanselmann |
|
982 | db04ce5d | Michael Hanselmann | """
|
983 | bd6d1202 | René Nussbaumer | # Pylint doesn't recognize multiple inheritance properly, see
|
984 | bd6d1202 | René Nussbaumer | # <http://www.logilab.org/ticket/36586> and
|
985 | bd6d1202 | René Nussbaumer | # <http://www.logilab.org/ticket/35642>
|
986 | bd6d1202 | René Nussbaumer | # pylint: disable=W0233
|
987 | bd6d1202 | René Nussbaumer | _RpcClientBase.__init__(self, compat.partial(_SsconfResolver, True), |
988 | bd6d1202 | René Nussbaumer | _ENCODERS.get) |
989 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap.__init__(self)
|
990 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly.__init__(self)
|
991 | bd6d1202 | René Nussbaumer | |
992 | bd6d1202 | René Nussbaumer | |
993 | bd6d1202 | René Nussbaumer | class DnsOnlyRunner(_RpcClientBase, _generated_rpc.RpcClientDnsOnly): |
994 | bd6d1202 | René Nussbaumer | """RPC wrappers for calls using only DNS.
|
995 | bd6d1202 | René Nussbaumer |
|
996 | bd6d1202 | René Nussbaumer | """
|
997 | bd6d1202 | René Nussbaumer | def __init__(self): |
998 | bd6d1202 | René Nussbaumer | """Initialize this class.
|
999 | bd6d1202 | René Nussbaumer |
|
1000 | bd6d1202 | René Nussbaumer | """
|
1001 | bd6d1202 | René Nussbaumer | _RpcClientBase.__init__(self, compat.partial(_SsconfResolver, False), |
1002 | bd6d1202 | René Nussbaumer | _ENCODERS.get) |
1003 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly.__init__(self)
|
1004 | db04ce5d | Michael Hanselmann | |
1005 | 415a7304 | Michael Hanselmann | |
1006 | cd40dc53 | Michael Hanselmann | class ConfigRunner(_RpcClientBase, _generated_rpc.RpcClientConfig): |
1007 | 415a7304 | Michael Hanselmann | """RPC wrappers for L{config}.
|
1008 | 415a7304 | Michael Hanselmann |
|
1009 | 415a7304 | Michael Hanselmann | """
|
1010 | c2dc025a | Michael Hanselmann | def __init__(self, context, address_list, _req_process_fn=None, |
1011 | c2dc025a | Michael Hanselmann | _getents=None):
|
1012 | 415a7304 | Michael Hanselmann | """Initializes this class.
|
1013 | 415a7304 | Michael Hanselmann |
|
1014 | 415a7304 | Michael Hanselmann | """
|
1015 | b2acdbdc | Michael Hanselmann | if context:
|
1016 | b2acdbdc | Michael Hanselmann | lock_monitor_cb = context.glm.AddToLockMonitor |
1017 | b2acdbdc | Michael Hanselmann | else:
|
1018 | b2acdbdc | Michael Hanselmann | lock_monitor_cb = None
|
1019 | b2acdbdc | Michael Hanselmann | |
1020 | 415a7304 | Michael Hanselmann | if address_list is None: |
1021 | bd6d1202 | René Nussbaumer | resolver = compat.partial(_SsconfResolver, True)
|
1022 | 415a7304 | Michael Hanselmann | else:
|
1023 | 415a7304 | Michael Hanselmann | # Caller provided an address list
|
1024 | 415a7304 | Michael Hanselmann | resolver = _StaticResolver(address_list) |
1025 | 415a7304 | Michael Hanselmann | |
1026 | c2dc025a | Michael Hanselmann | encoders = _ENCODERS.copy() |
1027 | c2dc025a | Michael Hanselmann | |
1028 | c2dc025a | Michael Hanselmann | encoders.update({ |
1029 | c2dc025a | Michael Hanselmann | rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents), |
1030 | c2dc025a | Michael Hanselmann | }) |
1031 | c2dc025a | Michael Hanselmann | |
1032 | c2dc025a | Michael Hanselmann | _RpcClientBase.__init__(self, resolver, encoders.get,
|
1033 | c2dc025a | Michael Hanselmann | lock_monitor_cb=lock_monitor_cb, |
1034 | c2dc025a | Michael Hanselmann | _req_process_fn=_req_process_fn) |
1035 | cd40dc53 | Michael Hanselmann | _generated_rpc.RpcClientConfig.__init__(self) |