root / util / rapi.py @ 92c53da1
History | View | Annotate | Download (39.5 kB)
1 |
#
|
---|---|
2 |
#
|
3 |
|
4 |
# Copyright (C) 2010 Google Inc.
|
5 |
#
|
6 |
# This program is free software; you can redistribute it and/or modify
|
7 |
# it under the terms of the GNU General Public License as published by
|
8 |
# the Free Software Foundation; either version 2 of the License, or
|
9 |
# (at your option) any later version.
|
10 |
#
|
11 |
# This program is distributed in the hope that it will be useful, but
|
12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 |
# General Public License for more details.
|
15 |
#
|
16 |
# You should have received a copy of the GNU General Public License
|
17 |
# along with this program; if not, write to the Free Software
|
18 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 |
# 02110-1301, USA.
|
20 |
|
21 |
|
22 |
"""Ganeti RAPI client.
|
23 |
|
24 |
@attention: To use the RAPI client, the application B{must} call
|
25 |
C{pycurl.global_init} during initialization and
|
26 |
C{pycurl.global_cleanup} before exiting the process. This is very
|
27 |
important in multi-threaded programs. See curl_global_init(3) and
|
28 |
curl_global_cleanup(3) for details. The decorator L{UsesRapiClient}
|
29 |
can be used.
|
30 |
|
31 |
"""
|
32 |
|
33 |
# No Ganeti-specific modules should be imported. The RAPI client is supposed to
|
34 |
# be standalone.
|
35 |
|
36 |
import logging |
37 |
import simplejson |
38 |
import socket |
39 |
import urllib |
40 |
import threading |
41 |
import pycurl |
42 |
|
43 |
try:
|
44 |
from cStringIO import StringIO |
45 |
except ImportError: |
46 |
from StringIO import StringIO |
47 |
|
48 |
|
49 |
GANETI_RAPI_PORT = 5080
|
50 |
GANETI_RAPI_VERSION = 2
|
51 |
|
52 |
HTTP_DELETE = "DELETE"
|
53 |
HTTP_GET = "GET"
|
54 |
HTTP_PUT = "PUT"
|
55 |
HTTP_POST = "POST"
|
56 |
HTTP_OK = 200
|
57 |
HTTP_NOT_FOUND = 404
|
58 |
HTTP_APP_JSON = "application/json"
|
59 |
|
60 |
REPLACE_DISK_PRI = "replace_on_primary"
|
61 |
REPLACE_DISK_SECONDARY = "replace_on_secondary"
|
62 |
REPLACE_DISK_CHG = "replace_new_secondary"
|
63 |
REPLACE_DISK_AUTO = "replace_auto"
|
64 |
|
65 |
NODE_ROLE_DRAINED = "drained"
|
66 |
NODE_ROLE_MASTER_CANDIATE = "master-candidate"
|
67 |
NODE_ROLE_MASTER = "master"
|
68 |
NODE_ROLE_OFFLINE = "offline"
|
69 |
NODE_ROLE_REGULAR = "regular"
|
70 |
|
71 |
# Internal constants
|
72 |
_REQ_DATA_VERSION_FIELD = "__version__"
|
73 |
_INST_CREATE_REQV1 = "instance-create-reqv1"
|
74 |
_INST_NIC_PARAMS = frozenset(["mac", "ip", "mode", "link", "bridge"]) |
75 |
_INST_CREATE_V0_DISK_PARAMS = frozenset(["size"]) |
76 |
_INST_CREATE_V0_PARAMS = frozenset([
|
77 |
"os", "pnode", "snode", "iallocator", "start", "ip_check", "name_check", |
78 |
"hypervisor", "file_storage_dir", "file_driver", "dry_run", |
79 |
]) |
80 |
_INST_CREATE_V0_DPARAMS = frozenset(["beparams", "hvparams"]) |
81 |
|
82 |
# Older pycURL versions don't have all error constants
|
83 |
try:
|
84 |
_CURLE_SSL_CACERT = pycurl.E_SSL_CACERT |
85 |
_CURLE_SSL_CACERT_BADFILE = pycurl.E_SSL_CACERT_BADFILE |
86 |
except AttributeError: |
87 |
_CURLE_SSL_CACERT = 60
|
88 |
_CURLE_SSL_CACERT_BADFILE = 77
|
89 |
|
90 |
_CURL_SSL_CERT_ERRORS = frozenset([
|
91 |
_CURLE_SSL_CACERT, |
92 |
_CURLE_SSL_CACERT_BADFILE, |
93 |
]) |
94 |
|
95 |
|
96 |
class Error(Exception): |
97 |
"""Base error class for this module.
|
98 |
|
99 |
"""
|
100 |
pass
|
101 |
|
102 |
|
103 |
class CertificateError(Error): |
104 |
"""Raised when a problem is found with the SSL certificate.
|
105 |
|
106 |
"""
|
107 |
pass
|
108 |
|
109 |
|
110 |
class GanetiApiError(Error): |
111 |
"""Generic error raised from Ganeti API.
|
112 |
|
113 |
"""
|
114 |
def __init__(self, msg, code=None): |
115 |
Error.__init__(self, msg)
|
116 |
self.code = code
|
117 |
|
118 |
|
119 |
def UsesRapiClient(fn): |
120 |
"""Decorator for code using RAPI client to initialize pycURL.
|
121 |
|
122 |
"""
|
123 |
def wrapper(*args, **kwargs): |
124 |
# curl_global_init(3) and curl_global_cleanup(3) must be called with only
|
125 |
# one thread running. This check is just a safety measure -- it doesn't
|
126 |
# cover all cases.
|
127 |
assert threading.activeCount() == 1, \ |
128 |
"Found active threads when initializing pycURL"
|
129 |
|
130 |
pycurl.global_init(pycurl.GLOBAL_ALL) |
131 |
try:
|
132 |
return fn(*args, **kwargs)
|
133 |
finally:
|
134 |
pycurl.global_cleanup() |
135 |
|
136 |
return wrapper
|
137 |
|
138 |
|
139 |
def GenericCurlConfig(verbose=False, use_signal=False, |
140 |
use_curl_cabundle=False, cafile=None, capath=None, |
141 |
proxy=None, verify_hostname=False, |
142 |
connect_timeout=None, timeout=None, |
143 |
_pycurl_version_fn=pycurl.version_info): |
144 |
"""Curl configuration function generator.
|
145 |
|
146 |
@type verbose: bool
|
147 |
@param verbose: Whether to set cURL to verbose mode
|
148 |
@type use_signal: bool
|
149 |
@param use_signal: Whether to allow cURL to use signals
|
150 |
@type use_curl_cabundle: bool
|
151 |
@param use_curl_cabundle: Whether to use cURL's default CA bundle
|
152 |
@type cafile: string
|
153 |
@param cafile: In which file we can find the certificates
|
154 |
@type capath: string
|
155 |
@param capath: In which directory we can find the certificates
|
156 |
@type proxy: string
|
157 |
@param proxy: Proxy to use, None for default behaviour and empty string for
|
158 |
disabling proxies (see curl_easy_setopt(3))
|
159 |
@type verify_hostname: bool
|
160 |
@param verify_hostname: Whether to verify the remote peer certificate's
|
161 |
commonName
|
162 |
@type connect_timeout: number
|
163 |
@param connect_timeout: Timeout for establishing connection in seconds
|
164 |
@type timeout: number
|
165 |
@param timeout: Timeout for complete transfer in seconds (see
|
166 |
curl_easy_setopt(3)).
|
167 |
|
168 |
"""
|
169 |
if use_curl_cabundle and (cafile or capath): |
170 |
raise Error("Can not use default CA bundle when CA file or path is set") |
171 |
|
172 |
def _ConfigCurl(curl, logger): |
173 |
"""Configures a cURL object
|
174 |
|
175 |
@type curl: pycurl.Curl
|
176 |
@param curl: cURL object
|
177 |
|
178 |
"""
|
179 |
logger.debug("Using cURL version %s", pycurl.version)
|
180 |
|
181 |
# pycurl.version_info returns a tuple with information about the used
|
182 |
# version of libcurl. Item 5 is the SSL library linked to it.
|
183 |
# e.g.: (3, '7.18.0', 463360, 'x86_64-pc-linux-gnu', 1581, 'GnuTLS/2.0.4',
|
184 |
# 0, '1.2.3.3', ...)
|
185 |
sslver = _pycurl_version_fn()[5]
|
186 |
if not sslver: |
187 |
raise Error("No SSL support in cURL") |
188 |
|
189 |
lcsslver = sslver.lower() |
190 |
if lcsslver.startswith("openssl/"): |
191 |
pass
|
192 |
elif lcsslver.startswith("gnutls/"): |
193 |
if capath:
|
194 |
raise Error("cURL linked against GnuTLS has no support for a" |
195 |
" CA path (%s)" % (pycurl.version, ))
|
196 |
else:
|
197 |
raise NotImplementedError("cURL uses unsupported SSL version '%s'" % |
198 |
sslver) |
199 |
|
200 |
curl.setopt(pycurl.VERBOSE, verbose) |
201 |
curl.setopt(pycurl.NOSIGNAL, not use_signal)
|
202 |
|
203 |
# Whether to verify remote peer's CN
|
204 |
if verify_hostname:
|
205 |
# curl_easy_setopt(3): "When CURLOPT_SSL_VERIFYHOST is 2, that
|
206 |
# certificate must indicate that the server is the server to which you
|
207 |
# meant to connect, or the connection fails. [...] When the value is 1,
|
208 |
# the certificate must contain a Common Name field, but it doesn't matter
|
209 |
# what name it says. [...]"
|
210 |
curl.setopt(pycurl.SSL_VERIFYHOST, 2)
|
211 |
else:
|
212 |
curl.setopt(pycurl.SSL_VERIFYHOST, 0)
|
213 |
|
214 |
if cafile or capath or use_curl_cabundle: |
215 |
# Require certificates to be checked
|
216 |
curl.setopt(pycurl.SSL_VERIFYPEER, True)
|
217 |
if cafile:
|
218 |
curl.setopt(pycurl.CAINFO, str(cafile))
|
219 |
if capath:
|
220 |
curl.setopt(pycurl.CAPATH, str(capath))
|
221 |
# Not changing anything for using default CA bundle
|
222 |
else:
|
223 |
# Disable SSL certificate verification
|
224 |
curl.setopt(pycurl.SSL_VERIFYPEER, False)
|
225 |
|
226 |
if proxy is not None: |
227 |
curl.setopt(pycurl.PROXY, str(proxy))
|
228 |
|
229 |
# Timeouts
|
230 |
if connect_timeout is not None: |
231 |
curl.setopt(pycurl.CONNECTTIMEOUT, connect_timeout) |
232 |
if timeout is not None: |
233 |
curl.setopt(pycurl.TIMEOUT, timeout) |
234 |
|
235 |
return _ConfigCurl
|
236 |
|
237 |
|
238 |
class GanetiRapiClient(object): |
239 |
"""Ganeti RAPI client.
|
240 |
|
241 |
"""
|
242 |
USER_AGENT = "Ganeti RAPI Client"
|
243 |
_json_encoder = simplejson.JSONEncoder(sort_keys=True)
|
244 |
|
245 |
def __init__(self, host, port=GANETI_RAPI_PORT, |
246 |
username=None, password=None, logger=logging, |
247 |
curl_config_fn=None, curl_factory=None): |
248 |
"""Initializes this class.
|
249 |
|
250 |
@type host: string
|
251 |
@param host: the ganeti cluster master to interact with
|
252 |
@type port: int
|
253 |
@param port: the port on which the RAPI is running (default is 5080)
|
254 |
@type username: string
|
255 |
@param username: the username to connect with
|
256 |
@type password: string
|
257 |
@param password: the password to connect with
|
258 |
@type curl_config_fn: callable
|
259 |
@param curl_config_fn: Function to configure C{pycurl.Curl} object
|
260 |
@param logger: Logging object
|
261 |
|
262 |
"""
|
263 |
self._username = username
|
264 |
self._password = password
|
265 |
self._logger = logger
|
266 |
self._curl_config_fn = curl_config_fn
|
267 |
self._curl_factory = curl_factory
|
268 |
|
269 |
try:
|
270 |
socket.inet_pton(socket.AF_INET6, host) |
271 |
address = "[%s]:%s" % (host, port)
|
272 |
except socket.error:
|
273 |
address = "%s:%s" % (host, port)
|
274 |
|
275 |
self._base_url = "https://%s" % address |
276 |
|
277 |
if username is not None: |
278 |
if password is None: |
279 |
raise Error("Password not specified") |
280 |
elif password:
|
281 |
raise Error("Specified password without username") |
282 |
|
283 |
def _CreateCurl(self): |
284 |
"""Creates a cURL object.
|
285 |
|
286 |
"""
|
287 |
# Create pycURL object if no factory is provided
|
288 |
if self._curl_factory: |
289 |
curl = self._curl_factory()
|
290 |
else:
|
291 |
curl = pycurl.Curl() |
292 |
|
293 |
# Default cURL settings
|
294 |
curl.setopt(pycurl.VERBOSE, False)
|
295 |
curl.setopt(pycurl.FOLLOWLOCATION, False)
|
296 |
curl.setopt(pycurl.MAXREDIRS, 5)
|
297 |
curl.setopt(pycurl.NOSIGNAL, True)
|
298 |
curl.setopt(pycurl.USERAGENT, self.USER_AGENT)
|
299 |
curl.setopt(pycurl.SSL_VERIFYHOST, 0)
|
300 |
curl.setopt(pycurl.SSL_VERIFYPEER, False)
|
301 |
curl.setopt(pycurl.HTTPHEADER, [ |
302 |
"Accept: %s" % HTTP_APP_JSON,
|
303 |
"Content-type: %s" % HTTP_APP_JSON,
|
304 |
]) |
305 |
|
306 |
assert ((self._username is None and self._password is None) ^ |
307 |
(self._username is not None and self._password is not None)) |
308 |
|
309 |
if self._username: |
310 |
# Setup authentication
|
311 |
curl.setopt(pycurl.HTTPAUTH, pycurl.HTTPAUTH_BASIC) |
312 |
curl.setopt(pycurl.USERPWD, |
313 |
str("%s:%s" % (self._username, self._password))) |
314 |
|
315 |
# Call external configuration function
|
316 |
if self._curl_config_fn: |
317 |
self._curl_config_fn(curl, self._logger) |
318 |
|
319 |
return curl
|
320 |
|
321 |
@staticmethod
|
322 |
def _EncodeQuery(query): |
323 |
"""Encode query values for RAPI URL.
|
324 |
|
325 |
@type query: list of two-tuples
|
326 |
@param query: Query arguments
|
327 |
@rtype: list
|
328 |
@return: Query list with encoded values
|
329 |
|
330 |
"""
|
331 |
result = [] |
332 |
|
333 |
for name, value in query: |
334 |
if value is None: |
335 |
result.append((name, ""))
|
336 |
|
337 |
elif isinstance(value, bool): |
338 |
# Boolean values must be encoded as 0 or 1
|
339 |
result.append((name, int(value)))
|
340 |
|
341 |
elif isinstance(value, (list, tuple, dict)): |
342 |
raise ValueError("Invalid query data type %r" % type(value).__name__) |
343 |
|
344 |
else:
|
345 |
result.append((name, value)) |
346 |
|
347 |
return result
|
348 |
|
349 |
def _SendRequest(self, method, path, query, content): |
350 |
"""Sends an HTTP request.
|
351 |
|
352 |
This constructs a full URL, encodes and decodes HTTP bodies, and
|
353 |
handles invalid responses in a pythonic way.
|
354 |
|
355 |
@type method: string
|
356 |
@param method: HTTP method to use
|
357 |
@type path: string
|
358 |
@param path: HTTP URL path
|
359 |
@type query: list of two-tuples
|
360 |
@param query: query arguments to pass to urllib.urlencode
|
361 |
@type content: str or None
|
362 |
@param content: HTTP body content
|
363 |
|
364 |
@rtype: str
|
365 |
@return: JSON-Decoded response
|
366 |
|
367 |
@raises CertificateError: If an invalid SSL certificate is found
|
368 |
@raises GanetiApiError: If an invalid response is returned
|
369 |
|
370 |
"""
|
371 |
assert path.startswith("/") |
372 |
|
373 |
curl = self._CreateCurl()
|
374 |
|
375 |
if content is not None: |
376 |
encoded_content = self._json_encoder.encode(content)
|
377 |
else:
|
378 |
encoded_content = ""
|
379 |
|
380 |
# Build URL
|
381 |
urlparts = [self._base_url, path]
|
382 |
if query:
|
383 |
urlparts.append("?")
|
384 |
urlparts.append(urllib.urlencode(self._EncodeQuery(query)))
|
385 |
|
386 |
url = "".join(urlparts)
|
387 |
|
388 |
self._logger.debug("Sending request %s %s (content=%r)", |
389 |
method, url, encoded_content) |
390 |
|
391 |
# Buffer for response
|
392 |
encoded_resp_body = StringIO() |
393 |
|
394 |
# Configure cURL
|
395 |
curl.setopt(pycurl.CUSTOMREQUEST, str(method))
|
396 |
curl.setopt(pycurl.URL, str(url))
|
397 |
curl.setopt(pycurl.POSTFIELDS, str(encoded_content))
|
398 |
curl.setopt(pycurl.WRITEFUNCTION, encoded_resp_body.write) |
399 |
|
400 |
try:
|
401 |
# Send request and wait for response
|
402 |
try:
|
403 |
curl.perform() |
404 |
except pycurl.error, err:
|
405 |
if err.args[0] in _CURL_SSL_CERT_ERRORS: |
406 |
raise CertificateError("SSL certificate error %s" % err) |
407 |
|
408 |
raise GanetiApiError(str(err)) |
409 |
finally:
|
410 |
# Reset settings to not keep references to large objects in memory
|
411 |
# between requests
|
412 |
curl.setopt(pycurl.POSTFIELDS, "")
|
413 |
curl.setopt(pycurl.WRITEFUNCTION, lambda _: None) |
414 |
|
415 |
# Get HTTP response code
|
416 |
http_code = curl.getinfo(pycurl.RESPONSE_CODE) |
417 |
|
418 |
# Was anything written to the response buffer?
|
419 |
if encoded_resp_body.tell():
|
420 |
response_content = simplejson.loads(encoded_resp_body.getvalue()) |
421 |
else:
|
422 |
response_content = None
|
423 |
|
424 |
if http_code != HTTP_OK:
|
425 |
if isinstance(response_content, dict): |
426 |
msg = ("%s %s: %s" %
|
427 |
(response_content["code"],
|
428 |
response_content["message"],
|
429 |
response_content["explain"]))
|
430 |
else:
|
431 |
msg = str(response_content)
|
432 |
|
433 |
raise GanetiApiError(msg, code=http_code)
|
434 |
|
435 |
return response_content
|
436 |
|
437 |
def GetVersion(self): |
438 |
"""Gets the Remote API version running on the cluster.
|
439 |
|
440 |
@rtype: int
|
441 |
@return: Ganeti Remote API version
|
442 |
|
443 |
"""
|
444 |
return self._SendRequest(HTTP_GET, "/version", None, None) |
445 |
|
446 |
def GetFeatures(self): |
447 |
"""Gets the list of optional features supported by RAPI server.
|
448 |
|
449 |
@rtype: list
|
450 |
@return: List of optional features
|
451 |
|
452 |
"""
|
453 |
try:
|
454 |
return self._SendRequest(HTTP_GET, "/%s/features" % GANETI_RAPI_VERSION, |
455 |
None, None) |
456 |
except GanetiApiError, err:
|
457 |
# Older RAPI servers don't support this resource
|
458 |
if err.code == HTTP_NOT_FOUND:
|
459 |
return []
|
460 |
|
461 |
raise
|
462 |
|
463 |
def GetOperatingSystems(self): |
464 |
"""Gets the Operating Systems running in the Ganeti cluster.
|
465 |
|
466 |
@rtype: list of str
|
467 |
@return: operating systems
|
468 |
|
469 |
"""
|
470 |
return self._SendRequest(HTTP_GET, "/%s/os" % GANETI_RAPI_VERSION, |
471 |
None, None) |
472 |
|
473 |
def GetInfo(self): |
474 |
"""Gets info about the cluster.
|
475 |
|
476 |
@rtype: dict
|
477 |
@return: information about the cluster
|
478 |
|
479 |
"""
|
480 |
return self._SendRequest(HTTP_GET, "/%s/info" % GANETI_RAPI_VERSION, |
481 |
None, None) |
482 |
|
483 |
def GetClusterTags(self): |
484 |
"""Gets the cluster tags.
|
485 |
|
486 |
@rtype: list of str
|
487 |
@return: cluster tags
|
488 |
|
489 |
"""
|
490 |
return self._SendRequest(HTTP_GET, "/%s/tags" % GANETI_RAPI_VERSION, |
491 |
None, None) |
492 |
|
493 |
def AddClusterTags(self, tags, dry_run=False): |
494 |
"""Adds tags to the cluster.
|
495 |
|
496 |
@type tags: list of str
|
497 |
@param tags: tags to add to the cluster
|
498 |
@type dry_run: bool
|
499 |
@param dry_run: whether to perform a dry run
|
500 |
|
501 |
@rtype: int
|
502 |
@return: job id
|
503 |
|
504 |
"""
|
505 |
query = [("tag", t) for t in tags] |
506 |
if dry_run:
|
507 |
query.append(("dry-run", 1)) |
508 |
|
509 |
return self._SendRequest(HTTP_PUT, "/%s/tags" % GANETI_RAPI_VERSION, |
510 |
query, None)
|
511 |
|
512 |
def DeleteClusterTags(self, tags, dry_run=False): |
513 |
"""Deletes tags from the cluster.
|
514 |
|
515 |
@type tags: list of str
|
516 |
@param tags: tags to delete
|
517 |
@type dry_run: bool
|
518 |
@param dry_run: whether to perform a dry run
|
519 |
|
520 |
"""
|
521 |
query = [("tag", t) for t in tags] |
522 |
if dry_run:
|
523 |
query.append(("dry-run", 1)) |
524 |
|
525 |
return self._SendRequest(HTTP_DELETE, "/%s/tags" % GANETI_RAPI_VERSION, |
526 |
query, None)
|
527 |
|
528 |
def GetInstances(self, bulk=False): |
529 |
"""Gets information about instances on the cluster.
|
530 |
|
531 |
@type bulk: bool
|
532 |
@param bulk: whether to return all information about all instances
|
533 |
|
534 |
@rtype: list of dict or list of str
|
535 |
@return: if bulk is True, info about the instances, else a list of instances
|
536 |
|
537 |
"""
|
538 |
query = [] |
539 |
if bulk:
|
540 |
query.append(("bulk", 1)) |
541 |
|
542 |
instances = self._SendRequest(HTTP_GET,
|
543 |
"/%s/instances" % GANETI_RAPI_VERSION,
|
544 |
query, None)
|
545 |
if bulk:
|
546 |
return instances
|
547 |
else:
|
548 |
return [i["id"] for i in instances] |
549 |
|
550 |
def GetInstance(self, instance): |
551 |
"""Gets information about an instance.
|
552 |
|
553 |
@type instance: str
|
554 |
@param instance: instance whose info to return
|
555 |
|
556 |
@rtype: dict
|
557 |
@return: info about the instance
|
558 |
|
559 |
"""
|
560 |
return self._SendRequest(HTTP_GET, |
561 |
("/%s/instances/%s" %
|
562 |
(GANETI_RAPI_VERSION, instance)), None, None) |
563 |
|
564 |
def GetInstanceInfo(self, instance, static=None): |
565 |
"""Gets information about an instance.
|
566 |
|
567 |
@type instance: string
|
568 |
@param instance: Instance name
|
569 |
@rtype: string
|
570 |
@return: Job ID
|
571 |
|
572 |
"""
|
573 |
if static is not None: |
574 |
query = [("static", static)]
|
575 |
else:
|
576 |
query = None
|
577 |
|
578 |
return self._SendRequest(HTTP_GET, |
579 |
("/%s/instances/%s/info" %
|
580 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
581 |
|
582 |
def CreateInstance(self, mode, name, disk_template, disks, nics, |
583 |
**kwargs): |
584 |
"""Creates a new instance.
|
585 |
|
586 |
More details for parameters can be found in the RAPI documentation.
|
587 |
|
588 |
@type mode: string
|
589 |
@param mode: Instance creation mode
|
590 |
@type name: string
|
591 |
@param name: Hostname of the instance to create
|
592 |
@type disk_template: string
|
593 |
@param disk_template: Disk template for instance (e.g. plain, diskless,
|
594 |
file, or drbd)
|
595 |
@type disks: list of dicts
|
596 |
@param disks: List of disk definitions
|
597 |
@type nics: list of dicts
|
598 |
@param nics: List of NIC definitions
|
599 |
@type dry_run: bool
|
600 |
@keyword dry_run: whether to perform a dry run
|
601 |
|
602 |
@rtype: int
|
603 |
@return: job id
|
604 |
|
605 |
"""
|
606 |
query = [] |
607 |
|
608 |
if kwargs.get("dry_run"): |
609 |
query.append(("dry-run", 1)) |
610 |
|
611 |
if _INST_CREATE_REQV1 in self.GetFeatures(): |
612 |
# All required fields for request data version 1
|
613 |
body = { |
614 |
_REQ_DATA_VERSION_FIELD: 1,
|
615 |
"mode": mode,
|
616 |
"name": name,
|
617 |
"disk_template": disk_template,
|
618 |
"disks": disks,
|
619 |
"nics": nics,
|
620 |
} |
621 |
|
622 |
conflicts = set(kwargs.iterkeys()) & set(body.iterkeys()) |
623 |
if conflicts:
|
624 |
raise GanetiApiError("Required fields can not be specified as" |
625 |
" keywords: %s" % ", ".join(conflicts)) |
626 |
|
627 |
body.update((key, value) for key, value in kwargs.iteritems() |
628 |
if key != "dry_run") |
629 |
else:
|
630 |
# Old request format (version 0)
|
631 |
|
632 |
# The following code must make sure that an exception is raised when an
|
633 |
# unsupported setting is requested by the caller. Otherwise this can lead
|
634 |
# to bugs difficult to find. The interface of this function must stay
|
635 |
# exactly the same for version 0 and 1 (e.g. they aren't allowed to
|
636 |
# require different data types).
|
637 |
|
638 |
# Validate disks
|
639 |
for idx, disk in enumerate(disks): |
640 |
unsupported = set(disk.keys()) - _INST_CREATE_V0_DISK_PARAMS
|
641 |
if unsupported:
|
642 |
raise GanetiApiError("Server supports request version 0 only, but" |
643 |
" disk %s specifies the unsupported parameters"
|
644 |
" %s, allowed are %s" %
|
645 |
(idx, unsupported, |
646 |
list(_INST_CREATE_V0_DISK_PARAMS)))
|
647 |
|
648 |
assert (len(_INST_CREATE_V0_DISK_PARAMS) == 1 and |
649 |
"size" in _INST_CREATE_V0_DISK_PARAMS) |
650 |
disk_sizes = [disk["size"] for disk in disks] |
651 |
|
652 |
# Validate NICs
|
653 |
if not nics: |
654 |
raise GanetiApiError("Server supports request version 0 only, but" |
655 |
" no NIC specified")
|
656 |
elif len(nics) > 1: |
657 |
raise GanetiApiError("Server supports request version 0 only, but" |
658 |
" more than one NIC specified")
|
659 |
|
660 |
assert len(nics) == 1 |
661 |
|
662 |
unsupported = set(nics[0].keys()) - _INST_NIC_PARAMS |
663 |
if unsupported:
|
664 |
raise GanetiApiError("Server supports request version 0 only, but" |
665 |
" NIC 0 specifies the unsupported parameters %s,"
|
666 |
" allowed are %s" %
|
667 |
(unsupported, list(_INST_NIC_PARAMS)))
|
668 |
|
669 |
# Validate other parameters
|
670 |
unsupported = (set(kwargs.keys()) - _INST_CREATE_V0_PARAMS -
|
671 |
_INST_CREATE_V0_DPARAMS) |
672 |
if unsupported:
|
673 |
allowed = _INST_CREATE_V0_PARAMS.union(_INST_CREATE_V0_DPARAMS) |
674 |
raise GanetiApiError("Server supports request version 0 only, but" |
675 |
" the following unsupported parameters are"
|
676 |
" specified: %s, allowed are %s" %
|
677 |
(unsupported, list(allowed)))
|
678 |
|
679 |
# All required fields for request data version 0
|
680 |
body = { |
681 |
_REQ_DATA_VERSION_FIELD: 0,
|
682 |
"name": name,
|
683 |
"disk_template": disk_template,
|
684 |
"disks": disk_sizes,
|
685 |
} |
686 |
|
687 |
# NIC fields
|
688 |
assert len(nics) == 1 |
689 |
assert not (set(body.keys()) & set(nics[0].keys())) |
690 |
body.update(nics[0])
|
691 |
|
692 |
# Copy supported fields
|
693 |
assert not (set(body.keys()) & set(kwargs.keys())) |
694 |
body.update(dict((key, value) for key, value in kwargs.items() |
695 |
if key in _INST_CREATE_V0_PARAMS)) |
696 |
|
697 |
# Merge dictionaries
|
698 |
for i in (value for key, value in kwargs.items() |
699 |
if key in _INST_CREATE_V0_DPARAMS): |
700 |
assert not (set(body.keys()) & set(i.keys())) |
701 |
body.update(i) |
702 |
|
703 |
assert not (set(kwargs.keys()) - |
704 |
(_INST_CREATE_V0_PARAMS | _INST_CREATE_V0_DPARAMS)) |
705 |
assert not (set(body.keys()) & _INST_CREATE_V0_DPARAMS) |
706 |
|
707 |
return self._SendRequest(HTTP_POST, "/%s/instances" % GANETI_RAPI_VERSION, |
708 |
query, body) |
709 |
|
710 |
def DeleteInstance(self, instance, dry_run=False): |
711 |
"""Deletes an instance.
|
712 |
|
713 |
@type instance: str
|
714 |
@param instance: the instance to delete
|
715 |
|
716 |
@rtype: int
|
717 |
@return: job id
|
718 |
|
719 |
"""
|
720 |
query = [] |
721 |
if dry_run:
|
722 |
query.append(("dry-run", 1)) |
723 |
|
724 |
return self._SendRequest(HTTP_DELETE, |
725 |
("/%s/instances/%s" %
|
726 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
727 |
|
728 |
def ModifyInstance(self, instance, **kwargs): |
729 |
"""Modifies an instance.
|
730 |
|
731 |
More details for parameters can be found in the RAPI documentation.
|
732 |
|
733 |
@type instance: string
|
734 |
@param instance: Instance name
|
735 |
@rtype: int
|
736 |
@return: job id
|
737 |
|
738 |
"""
|
739 |
body = kwargs |
740 |
|
741 |
return self._SendRequest(HTTP_PUT, |
742 |
("/%s/instances/%s/modify" %
|
743 |
(GANETI_RAPI_VERSION, instance)), None, body)
|
744 |
|
745 |
def GetInstanceTags(self, instance): |
746 |
"""Gets tags for an instance.
|
747 |
|
748 |
@type instance: str
|
749 |
@param instance: instance whose tags to return
|
750 |
|
751 |
@rtype: list of str
|
752 |
@return: tags for the instance
|
753 |
|
754 |
"""
|
755 |
return self._SendRequest(HTTP_GET, |
756 |
("/%s/instances/%s/tags" %
|
757 |
(GANETI_RAPI_VERSION, instance)), None, None) |
758 |
|
759 |
def AddInstanceTags(self, instance, tags, dry_run=False): |
760 |
"""Adds tags to an instance.
|
761 |
|
762 |
@type instance: str
|
763 |
@param instance: instance to add tags to
|
764 |
@type tags: list of str
|
765 |
@param tags: tags to add to the instance
|
766 |
@type dry_run: bool
|
767 |
@param dry_run: whether to perform a dry run
|
768 |
|
769 |
@rtype: int
|
770 |
@return: job id
|
771 |
|
772 |
"""
|
773 |
query = [("tag", t) for t in tags] |
774 |
if dry_run:
|
775 |
query.append(("dry-run", 1)) |
776 |
|
777 |
return self._SendRequest(HTTP_PUT, |
778 |
("/%s/instances/%s/tags" %
|
779 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
780 |
|
781 |
def DeleteInstanceTags(self, instance, tags, dry_run=False): |
782 |
"""Deletes tags from an instance.
|
783 |
|
784 |
@type instance: str
|
785 |
@param instance: instance to delete tags from
|
786 |
@type tags: list of str
|
787 |
@param tags: tags to delete
|
788 |
@type dry_run: bool
|
789 |
@param dry_run: whether to perform a dry run
|
790 |
|
791 |
"""
|
792 |
query = [("tag", t) for t in tags] |
793 |
if dry_run:
|
794 |
query.append(("dry-run", 1)) |
795 |
|
796 |
return self._SendRequest(HTTP_DELETE, |
797 |
("/%s/instances/%s/tags" %
|
798 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
799 |
|
800 |
def RebootInstance(self, instance, reboot_type=None, ignore_secondaries=None, |
801 |
dry_run=False):
|
802 |
"""Reboots an instance.
|
803 |
|
804 |
@type instance: str
|
805 |
@param instance: instance to rebot
|
806 |
@type reboot_type: str
|
807 |
@param reboot_type: one of: hard, soft, full
|
808 |
@type ignore_secondaries: bool
|
809 |
@param ignore_secondaries: if True, ignores errors for the secondary node
|
810 |
while re-assembling disks (in hard-reboot mode only)
|
811 |
@type dry_run: bool
|
812 |
@param dry_run: whether to perform a dry run
|
813 |
|
814 |
"""
|
815 |
query = [] |
816 |
if reboot_type:
|
817 |
query.append(("type", reboot_type))
|
818 |
if ignore_secondaries is not None: |
819 |
query.append(("ignore_secondaries", ignore_secondaries))
|
820 |
if dry_run:
|
821 |
query.append(("dry-run", 1)) |
822 |
|
823 |
return self._SendRequest(HTTP_POST, |
824 |
("/%s/instances/%s/reboot" %
|
825 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
826 |
|
827 |
def ShutdownInstance(self, instance, dry_run=False): |
828 |
"""Shuts down an instance.
|
829 |
|
830 |
@type instance: str
|
831 |
@param instance: the instance to shut down
|
832 |
@type dry_run: bool
|
833 |
@param dry_run: whether to perform a dry run
|
834 |
|
835 |
"""
|
836 |
query = [] |
837 |
if dry_run:
|
838 |
query.append(("dry-run", 1)) |
839 |
|
840 |
return self._SendRequest(HTTP_PUT, |
841 |
("/%s/instances/%s/shutdown" %
|
842 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
843 |
|
844 |
def StartupInstance(self, instance, dry_run=False): |
845 |
"""Starts up an instance.
|
846 |
|
847 |
@type instance: str
|
848 |
@param instance: the instance to start up
|
849 |
@type dry_run: bool
|
850 |
@param dry_run: whether to perform a dry run
|
851 |
|
852 |
"""
|
853 |
query = [] |
854 |
if dry_run:
|
855 |
query.append(("dry-run", 1)) |
856 |
|
857 |
return self._SendRequest(HTTP_PUT, |
858 |
("/%s/instances/%s/startup" %
|
859 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
860 |
|
861 |
def ReinstallInstance(self, instance, os=None, no_startup=False): |
862 |
"""Reinstalls an instance.
|
863 |
|
864 |
@type instance: str
|
865 |
@param instance: The instance to reinstall
|
866 |
@type os: str or None
|
867 |
@param os: The operating system to reinstall. If None, the instance's
|
868 |
current operating system will be installed again
|
869 |
@type no_startup: bool
|
870 |
@param no_startup: Whether to start the instance automatically
|
871 |
|
872 |
"""
|
873 |
query = [] |
874 |
if os:
|
875 |
query.append(("os", os))
|
876 |
if no_startup:
|
877 |
query.append(("nostartup", 1)) |
878 |
return self._SendRequest(HTTP_POST, |
879 |
("/%s/instances/%s/reinstall" %
|
880 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
881 |
|
882 |
def ReplaceInstanceDisks(self, instance, disks=None, mode=REPLACE_DISK_AUTO, |
883 |
remote_node=None, iallocator=None, dry_run=False): |
884 |
"""Replaces disks on an instance.
|
885 |
|
886 |
@type instance: str
|
887 |
@param instance: instance whose disks to replace
|
888 |
@type disks: list of ints
|
889 |
@param disks: Indexes of disks to replace
|
890 |
@type mode: str
|
891 |
@param mode: replacement mode to use (defaults to replace_auto)
|
892 |
@type remote_node: str or None
|
893 |
@param remote_node: new secondary node to use (for use with
|
894 |
replace_new_secondary mode)
|
895 |
@type iallocator: str or None
|
896 |
@param iallocator: instance allocator plugin to use (for use with
|
897 |
replace_auto mode)
|
898 |
@type dry_run: bool
|
899 |
@param dry_run: whether to perform a dry run
|
900 |
|
901 |
@rtype: int
|
902 |
@return: job id
|
903 |
|
904 |
"""
|
905 |
query = [ |
906 |
("mode", mode),
|
907 |
] |
908 |
|
909 |
if disks:
|
910 |
query.append(("disks", ",".join(str(idx) for idx in disks))) |
911 |
|
912 |
if remote_node:
|
913 |
query.append(("remote_node", remote_node))
|
914 |
|
915 |
if iallocator:
|
916 |
query.append(("iallocator", iallocator))
|
917 |
|
918 |
if dry_run:
|
919 |
query.append(("dry-run", 1)) |
920 |
|
921 |
return self._SendRequest(HTTP_POST, |
922 |
("/%s/instances/%s/replace-disks" %
|
923 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
924 |
|
925 |
def PrepareExport(self, instance, mode): |
926 |
"""Prepares an instance for an export.
|
927 |
|
928 |
@type instance: string
|
929 |
@param instance: Instance name
|
930 |
@type mode: string
|
931 |
@param mode: Export mode
|
932 |
@rtype: string
|
933 |
@return: Job ID
|
934 |
|
935 |
"""
|
936 |
query = [("mode", mode)]
|
937 |
return self._SendRequest(HTTP_PUT, |
938 |
("/%s/instances/%s/prepare-export" %
|
939 |
(GANETI_RAPI_VERSION, instance)), query, None)
|
940 |
|
941 |
def ExportInstance(self, instance, mode, destination, shutdown=None, |
942 |
remove_instance=None,
|
943 |
x509_key_name=None, destination_x509_ca=None): |
944 |
"""Exports an instance.
|
945 |
|
946 |
@type instance: string
|
947 |
@param instance: Instance name
|
948 |
@type mode: string
|
949 |
@param mode: Export mode
|
950 |
@rtype: string
|
951 |
@return: Job ID
|
952 |
|
953 |
"""
|
954 |
body = { |
955 |
"destination": destination,
|
956 |
"mode": mode,
|
957 |
} |
958 |
|
959 |
if shutdown is not None: |
960 |
body["shutdown"] = shutdown
|
961 |
|
962 |
if remove_instance is not None: |
963 |
body["remove_instance"] = remove_instance
|
964 |
|
965 |
if x509_key_name is not None: |
966 |
body["x509_key_name"] = x509_key_name
|
967 |
|
968 |
if destination_x509_ca is not None: |
969 |
body["destination_x509_ca"] = destination_x509_ca
|
970 |
|
971 |
return self._SendRequest(HTTP_PUT, |
972 |
("/%s/instances/%s/export" %
|
973 |
(GANETI_RAPI_VERSION, instance)), None, body)
|
974 |
|
975 |
def MigrateInstance(self, instance, mode=None, cleanup=None): |
976 |
"""Migrates an instance.
|
977 |
|
978 |
@type instance: string
|
979 |
@param instance: Instance name
|
980 |
@type mode: string
|
981 |
@param mode: Migration mode
|
982 |
@type cleanup: bool
|
983 |
@param cleanup: Whether to clean up a previously failed migration
|
984 |
|
985 |
"""
|
986 |
body = {} |
987 |
|
988 |
if mode is not None: |
989 |
body["mode"] = mode
|
990 |
|
991 |
if cleanup is not None: |
992 |
body["cleanup"] = cleanup
|
993 |
|
994 |
return self._SendRequest(HTTP_PUT, |
995 |
("/%s/instances/%s/migrate" %
|
996 |
(GANETI_RAPI_VERSION, instance)), None, body)
|
997 |
|
998 |
def RenameInstance(self, instance, new_name, ip_check=None, name_check=None): |
999 |
"""Changes the name of an instance.
|
1000 |
|
1001 |
@type instance: string
|
1002 |
@param instance: Instance name
|
1003 |
@type new_name: string
|
1004 |
@param new_name: New instance name
|
1005 |
@type ip_check: bool
|
1006 |
@param ip_check: Whether to ensure instance's IP address is inactive
|
1007 |
@type name_check: bool
|
1008 |
@param name_check: Whether to ensure instance's name is resolvable
|
1009 |
|
1010 |
"""
|
1011 |
body = { |
1012 |
"new_name": new_name,
|
1013 |
} |
1014 |
|
1015 |
if ip_check is not None: |
1016 |
body["ip_check"] = ip_check
|
1017 |
|
1018 |
if name_check is not None: |
1019 |
body["name_check"] = name_check
|
1020 |
|
1021 |
return self._SendRequest(HTTP_PUT, |
1022 |
("/%s/instances/%s/rename" %
|
1023 |
(GANETI_RAPI_VERSION, instance)), None, body)
|
1024 |
|
1025 |
def GetJobs(self): |
1026 |
"""Gets all jobs for the cluster.
|
1027 |
|
1028 |
@rtype: list of int
|
1029 |
@return: job ids for the cluster
|
1030 |
|
1031 |
"""
|
1032 |
return [int(j["id"]) |
1033 |
for j in self._SendRequest(HTTP_GET, |
1034 |
"/%s/jobs" % GANETI_RAPI_VERSION,
|
1035 |
None, None)] |
1036 |
|
1037 |
def GetJobStatus(self, job_id): |
1038 |
"""Gets the status of a job.
|
1039 |
|
1040 |
@type job_id: int
|
1041 |
@param job_id: job id whose status to query
|
1042 |
|
1043 |
@rtype: dict
|
1044 |
@return: job status
|
1045 |
|
1046 |
"""
|
1047 |
return self._SendRequest(HTTP_GET, |
1048 |
"/%s/jobs/%s" % (GANETI_RAPI_VERSION, job_id),
|
1049 |
None, None) |
1050 |
|
1051 |
def WaitForJobChange(self, job_id, fields, prev_job_info, prev_log_serial): |
1052 |
"""Waits for job changes.
|
1053 |
|
1054 |
@type job_id: int
|
1055 |
@param job_id: Job ID for which to wait
|
1056 |
|
1057 |
"""
|
1058 |
body = { |
1059 |
"fields": fields,
|
1060 |
"previous_job_info": prev_job_info,
|
1061 |
"previous_log_serial": prev_log_serial,
|
1062 |
} |
1063 |
|
1064 |
return self._SendRequest(HTTP_GET, |
1065 |
"/%s/jobs/%s/wait" % (GANETI_RAPI_VERSION, job_id),
|
1066 |
None, body)
|
1067 |
|
1068 |
def CancelJob(self, job_id, dry_run=False): |
1069 |
"""Cancels a job.
|
1070 |
|
1071 |
@type job_id: int
|
1072 |
@param job_id: id of the job to delete
|
1073 |
@type dry_run: bool
|
1074 |
@param dry_run: whether to perform a dry run
|
1075 |
|
1076 |
"""
|
1077 |
query = [] |
1078 |
if dry_run:
|
1079 |
query.append(("dry-run", 1)) |
1080 |
|
1081 |
return self._SendRequest(HTTP_DELETE, |
1082 |
"/%s/jobs/%s" % (GANETI_RAPI_VERSION, job_id),
|
1083 |
query, None)
|
1084 |
|
1085 |
def GetNodes(self, bulk=False): |
1086 |
"""Gets all nodes in the cluster.
|
1087 |
|
1088 |
@type bulk: bool
|
1089 |
@param bulk: whether to return all information about all instances
|
1090 |
|
1091 |
@rtype: list of dict or str
|
1092 |
@return: if bulk is true, info about nodes in the cluster,
|
1093 |
else list of nodes in the cluster
|
1094 |
|
1095 |
"""
|
1096 |
query = [] |
1097 |
if bulk:
|
1098 |
query.append(("bulk", 1)) |
1099 |
|
1100 |
nodes = self._SendRequest(HTTP_GET, "/%s/nodes" % GANETI_RAPI_VERSION, |
1101 |
query, None)
|
1102 |
if bulk:
|
1103 |
return nodes
|
1104 |
else:
|
1105 |
return [n["id"] for n in nodes] |
1106 |
|
1107 |
def GetNode(self, node): |
1108 |
"""Gets information about a node.
|
1109 |
|
1110 |
@type node: str
|
1111 |
@param node: node whose info to return
|
1112 |
|
1113 |
@rtype: dict
|
1114 |
@return: info about the node
|
1115 |
|
1116 |
"""
|
1117 |
return self._SendRequest(HTTP_GET, |
1118 |
"/%s/nodes/%s" % (GANETI_RAPI_VERSION, node),
|
1119 |
None, None) |
1120 |
|
1121 |
def EvacuateNode(self, node, iallocator=None, remote_node=None, |
1122 |
dry_run=False, early_release=False): |
1123 |
"""Evacuates instances from a Ganeti node.
|
1124 |
|
1125 |
@type node: str
|
1126 |
@param node: node to evacuate
|
1127 |
@type iallocator: str or None
|
1128 |
@param iallocator: instance allocator to use
|
1129 |
@type remote_node: str
|
1130 |
@param remote_node: node to evaucate to
|
1131 |
@type dry_run: bool
|
1132 |
@param dry_run: whether to perform a dry run
|
1133 |
@type early_release: bool
|
1134 |
@param early_release: whether to enable parallelization
|
1135 |
|
1136 |
@rtype: list
|
1137 |
@return: list of (job ID, instance name, new secondary node); if
|
1138 |
dry_run was specified, then the actual move jobs were not
|
1139 |
submitted and the job IDs will be C{None}
|
1140 |
|
1141 |
@raises GanetiApiError: if an iallocator and remote_node are both
|
1142 |
specified
|
1143 |
|
1144 |
"""
|
1145 |
if iallocator and remote_node: |
1146 |
raise GanetiApiError("Only one of iallocator or remote_node can be used") |
1147 |
|
1148 |
query = [] |
1149 |
if iallocator:
|
1150 |
query.append(("iallocator", iallocator))
|
1151 |
if remote_node:
|
1152 |
query.append(("remote_node", remote_node))
|
1153 |
if dry_run:
|
1154 |
query.append(("dry-run", 1)) |
1155 |
if early_release:
|
1156 |
query.append(("early_release", 1)) |
1157 |
|
1158 |
return self._SendRequest(HTTP_POST, |
1159 |
("/%s/nodes/%s/evacuate" %
|
1160 |
(GANETI_RAPI_VERSION, node)), query, None)
|
1161 |
|
1162 |
def MigrateNode(self, node, mode=None, dry_run=False): |
1163 |
"""Migrates all primary instances from a node.
|
1164 |
|
1165 |
@type node: str
|
1166 |
@param node: node to migrate
|
1167 |
@type mode: string
|
1168 |
@param mode: if passed, it will overwrite the live migration type,
|
1169 |
otherwise the hypervisor default will be used
|
1170 |
@type dry_run: bool
|
1171 |
@param dry_run: whether to perform a dry run
|
1172 |
|
1173 |
@rtype: int
|
1174 |
@return: job id
|
1175 |
|
1176 |
"""
|
1177 |
query = [] |
1178 |
if mode is not None: |
1179 |
query.append(("mode", mode))
|
1180 |
if dry_run:
|
1181 |
query.append(("dry-run", 1)) |
1182 |
|
1183 |
return self._SendRequest(HTTP_POST, |
1184 |
("/%s/nodes/%s/migrate" %
|
1185 |
(GANETI_RAPI_VERSION, node)), query, None)
|
1186 |
|
1187 |
def GetNodeRole(self, node): |
1188 |
"""Gets the current role for a node.
|
1189 |
|
1190 |
@type node: str
|
1191 |
@param node: node whose role to return
|
1192 |
|
1193 |
@rtype: str
|
1194 |
@return: the current role for a node
|
1195 |
|
1196 |
"""
|
1197 |
return self._SendRequest(HTTP_GET, |
1198 |
("/%s/nodes/%s/role" %
|
1199 |
(GANETI_RAPI_VERSION, node)), None, None) |
1200 |
|
1201 |
def SetNodeRole(self, node, role, force=False): |
1202 |
"""Sets the role for a node.
|
1203 |
|
1204 |
@type node: str
|
1205 |
@param node: the node whose role to set
|
1206 |
@type role: str
|
1207 |
@param role: the role to set for the node
|
1208 |
@type force: bool
|
1209 |
@param force: whether to force the role change
|
1210 |
|
1211 |
@rtype: int
|
1212 |
@return: job id
|
1213 |
|
1214 |
"""
|
1215 |
query = [ |
1216 |
("force", force),
|
1217 |
] |
1218 |
|
1219 |
return self._SendRequest(HTTP_PUT, |
1220 |
("/%s/nodes/%s/role" %
|
1221 |
(GANETI_RAPI_VERSION, node)), query, role) |
1222 |
|
1223 |
def GetNodeStorageUnits(self, node, storage_type, output_fields): |
1224 |
"""Gets the storage units for a node.
|
1225 |
|
1226 |
@type node: str
|
1227 |
@param node: the node whose storage units to return
|
1228 |
@type storage_type: str
|
1229 |
@param storage_type: storage type whose units to return
|
1230 |
@type output_fields: str
|
1231 |
@param output_fields: storage type fields to return
|
1232 |
|
1233 |
@rtype: int
|
1234 |
@return: job id where results can be retrieved
|
1235 |
|
1236 |
"""
|
1237 |
query = [ |
1238 |
("storage_type", storage_type),
|
1239 |
("output_fields", output_fields),
|
1240 |
] |
1241 |
|
1242 |
return self._SendRequest(HTTP_GET, |
1243 |
("/%s/nodes/%s/storage" %
|
1244 |
(GANETI_RAPI_VERSION, node)), query, None)
|
1245 |
|
1246 |
def ModifyNodeStorageUnits(self, node, storage_type, name, allocatable=None): |
1247 |
"""Modifies parameters of storage units on the node.
|
1248 |
|
1249 |
@type node: str
|
1250 |
@param node: node whose storage units to modify
|
1251 |
@type storage_type: str
|
1252 |
@param storage_type: storage type whose units to modify
|
1253 |
@type name: str
|
1254 |
@param name: name of the storage unit
|
1255 |
@type allocatable: bool or None
|
1256 |
@param allocatable: Whether to set the "allocatable" flag on the storage
|
1257 |
unit (None=no modification, True=set, False=unset)
|
1258 |
|
1259 |
@rtype: int
|
1260 |
@return: job id
|
1261 |
|
1262 |
"""
|
1263 |
query = [ |
1264 |
("storage_type", storage_type),
|
1265 |
("name", name),
|
1266 |
] |
1267 |
|
1268 |
if allocatable is not None: |
1269 |
query.append(("allocatable", allocatable))
|
1270 |
|
1271 |
return self._SendRequest(HTTP_PUT, |
1272 |
("/%s/nodes/%s/storage/modify" %
|
1273 |
(GANETI_RAPI_VERSION, node)), query, None)
|
1274 |
|
1275 |
def RepairNodeStorageUnits(self, node, storage_type, name): |
1276 |
"""Repairs a storage unit on the node.
|
1277 |
|
1278 |
@type node: str
|
1279 |
@param node: node whose storage units to repair
|
1280 |
@type storage_type: str
|
1281 |
@param storage_type: storage type to repair
|
1282 |
@type name: str
|
1283 |
@param name: name of the storage unit to repair
|
1284 |
|
1285 |
@rtype: int
|
1286 |
@return: job id
|
1287 |
|
1288 |
"""
|
1289 |
query = [ |
1290 |
("storage_type", storage_type),
|
1291 |
("name", name),
|
1292 |
] |
1293 |
|
1294 |
return self._SendRequest(HTTP_PUT, |
1295 |
("/%s/nodes/%s/storage/repair" %
|
1296 |
(GANETI_RAPI_VERSION, node)), query, None)
|
1297 |
|
1298 |
def GetNodeTags(self, node): |
1299 |
"""Gets the tags for a node.
|
1300 |
|
1301 |
@type node: str
|
1302 |
@param node: node whose tags to return
|
1303 |
|
1304 |
@rtype: list of str
|
1305 |
@return: tags for the node
|
1306 |
|
1307 |
"""
|
1308 |
return self._SendRequest(HTTP_GET, |
1309 |
("/%s/nodes/%s/tags" %
|
1310 |
(GANETI_RAPI_VERSION, node)), None, None) |
1311 |
|
1312 |
def AddNodeTags(self, node, tags, dry_run=False): |
1313 |
"""Adds tags to a node.
|
1314 |
|
1315 |
@type node: str
|
1316 |
@param node: node to add tags to
|
1317 |
@type tags: list of str
|
1318 |
@param tags: tags to add to the node
|
1319 |
@type dry_run: bool
|
1320 |
@param dry_run: whether to perform a dry run
|
1321 |
|
1322 |
@rtype: int
|
1323 |
@return: job id
|
1324 |
|
1325 |
"""
|
1326 |
query = [("tag", t) for t in tags] |
1327 |
if dry_run:
|
1328 |
query.append(("dry-run", 1)) |
1329 |
|
1330 |
return self._SendRequest(HTTP_PUT, |
1331 |
("/%s/nodes/%s/tags" %
|
1332 |
(GANETI_RAPI_VERSION, node)), query, tags) |
1333 |
|
1334 |
def DeleteNodeTags(self, node, tags, dry_run=False): |
1335 |
"""Delete tags from a node.
|
1336 |
|
1337 |
@type node: str
|
1338 |
@param node: node to remove tags from
|
1339 |
@type tags: list of str
|
1340 |
@param tags: tags to remove from the node
|
1341 |
@type dry_run: bool
|
1342 |
@param dry_run: whether to perform a dry run
|
1343 |
|
1344 |
@rtype: int
|
1345 |
@return: job id
|
1346 |
|
1347 |
"""
|
1348 |
query = [("tag", t) for t in tags] |
1349 |
if dry_run:
|
1350 |
query.append(("dry-run", 1)) |
1351 |
|
1352 |
return self._SendRequest(HTTP_DELETE, |
1353 |
("/%s/nodes/%s/tags" %
|
1354 |
(GANETI_RAPI_VERSION, node)), query, None)
|