root / lib / rapi / rlib2.py @ 59b4eeef
History | View | Annotate | Download (14.7 kB)
1 |
#
|
---|---|
2 |
#
|
3 |
|
4 |
# Copyright (C) 2006, 2007, 2008 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 |
"""Remote API version 2 baserlib.library.
|
23 |
|
24 |
"""
|
25 |
|
26 |
from ganeti import opcodes |
27 |
from ganeti import http |
28 |
from ganeti import constants |
29 |
from ganeti import cli |
30 |
from ganeti.rapi import baserlib |
31 |
|
32 |
|
33 |
|
34 |
I_FIELDS = ["name", "admin_state", "os", |
35 |
"pnode", "snodes", |
36 |
"disk_template",
|
37 |
"nic.ips", "nic.macs", "nic.bridges", |
38 |
"network_port",
|
39 |
"disk.sizes", "disk_usage", |
40 |
"beparams", "hvparams", |
41 |
"oper_state", "oper_ram", "status", |
42 |
"tags"]
|
43 |
|
44 |
N_FIELDS = ["name", "offline", "master_candidate", "drained", |
45 |
"dtotal", "dfree", |
46 |
"mtotal", "mnode", "mfree", |
47 |
"pinst_cnt", "sinst_cnt", "tags", |
48 |
"ctotal", "cnodes", "csockets", |
49 |
] |
50 |
|
51 |
|
52 |
class R_version(baserlib.R_Generic): |
53 |
"""/version resource.
|
54 |
|
55 |
This resource should be used to determine the remote API version and
|
56 |
to adapt clients accordingly.
|
57 |
|
58 |
"""
|
59 |
DOC_URI = "/version"
|
60 |
|
61 |
def GET(self): |
62 |
"""Returns the remote API version.
|
63 |
|
64 |
"""
|
65 |
return constants.RAPI_VERSION
|
66 |
|
67 |
|
68 |
class R_2_info(baserlib.R_Generic): |
69 |
"""Cluster info.
|
70 |
|
71 |
"""
|
72 |
DOC_URI = "/2/info"
|
73 |
|
74 |
def GET(self): |
75 |
"""Returns cluster information.
|
76 |
|
77 |
Example::
|
78 |
|
79 |
{
|
80 |
"config_version": 2000000,
|
81 |
"name": "cluster",
|
82 |
"software_version": "2.0.0~beta2",
|
83 |
"os_api_version": 10,
|
84 |
"export_version": 0,
|
85 |
"candidate_pool_size": 10,
|
86 |
"enabled_hypervisors": [
|
87 |
"fake"
|
88 |
],
|
89 |
"hvparams": {
|
90 |
"fake": {}
|
91 |
},
|
92 |
"default_hypervisor": "fake",
|
93 |
"master": "node1.example.com",
|
94 |
"architecture": [
|
95 |
"64bit",
|
96 |
"x86_64"
|
97 |
],
|
98 |
"protocol_version": 20,
|
99 |
"beparams": {
|
100 |
"default": {
|
101 |
"auto_balance": true,
|
102 |
"vcpus": 1,
|
103 |
"memory": 128
|
104 |
}
|
105 |
}
|
106 |
}
|
107 |
|
108 |
"""
|
109 |
client = baserlib.GetClient() |
110 |
return client.QueryClusterInfo()
|
111 |
|
112 |
|
113 |
class R_2_os(baserlib.R_Generic): |
114 |
"""/2/os resource.
|
115 |
|
116 |
"""
|
117 |
DOC_URI = "/2/os"
|
118 |
|
119 |
def GET(self): |
120 |
"""Return a list of all OSes.
|
121 |
|
122 |
Can return error 500 in case of a problem.
|
123 |
|
124 |
Example: ["debian-etch"]
|
125 |
|
126 |
"""
|
127 |
cl = baserlib.GetClient() |
128 |
op = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[]) |
129 |
job_id = baserlib.SubmitJob([op], cl) |
130 |
# we use custom feedback function, instead of print we log the status
|
131 |
result = cli.PollJob(job_id, cl, feedback_fn=baserlib.FeedbackFn) |
132 |
diagnose_data = result[0]
|
133 |
|
134 |
if not isinstance(diagnose_data, list): |
135 |
raise http.HttpBadGateway(message="Can't get OS list") |
136 |
|
137 |
return [row[0] for row in diagnose_data if row[1]] |
138 |
|
139 |
|
140 |
class R_2_jobs(baserlib.R_Generic): |
141 |
"""/2/jobs resource.
|
142 |
|
143 |
"""
|
144 |
DOC_URI = "/2/jobs"
|
145 |
|
146 |
def GET(self): |
147 |
"""Returns a dictionary of jobs.
|
148 |
|
149 |
@return: a dictionary with jobs id and uri.
|
150 |
|
151 |
"""
|
152 |
fields = ["id"]
|
153 |
cl = baserlib.GetClient() |
154 |
# Convert the list of lists to the list of ids
|
155 |
result = [job_id for [job_id] in cl.QueryJobs(None, fields)] |
156 |
return baserlib.BuildUriList(result, "/2/jobs/%s", |
157 |
uri_fields=("id", "uri")) |
158 |
|
159 |
|
160 |
class R_2_jobs_id(baserlib.R_Generic): |
161 |
"""/2/jobs/[job_id] resource.
|
162 |
|
163 |
"""
|
164 |
DOC_URI = "/2/jobs/[job_id]"
|
165 |
|
166 |
def GET(self): |
167 |
"""Returns a job status.
|
168 |
|
169 |
@return: a dictionary with job parameters.
|
170 |
The result includes:
|
171 |
- id: job ID as a number
|
172 |
- status: current job status as a string
|
173 |
- ops: involved OpCodes as a list of dictionaries for each
|
174 |
opcodes in the job
|
175 |
- opstatus: OpCodes status as a list
|
176 |
- opresult: OpCodes results as a list of lists
|
177 |
|
178 |
"""
|
179 |
fields = ["id", "ops", "status", "summary", |
180 |
"opstatus", "opresult", "oplog", |
181 |
"received_ts", "start_ts", "end_ts", |
182 |
] |
183 |
job_id = self.items[0] |
184 |
result = baserlib.GetClient().QueryJobs([job_id, ], fields)[0]
|
185 |
if result is None: |
186 |
raise http.HttpNotFound()
|
187 |
return baserlib.MapFields(fields, result)
|
188 |
|
189 |
def DELETE(self): |
190 |
"""Cancel not-yet-started job.
|
191 |
|
192 |
"""
|
193 |
job_id = self.items[0] |
194 |
result = baserlib.GetClient().CancelJob(job_id) |
195 |
return result
|
196 |
|
197 |
|
198 |
class R_2_nodes(baserlib.R_Generic): |
199 |
"""/2/nodes resource.
|
200 |
|
201 |
"""
|
202 |
DOC_URI = "/2/nodes"
|
203 |
|
204 |
def GET(self): |
205 |
"""Returns a list of all nodes.
|
206 |
|
207 |
Example::
|
208 |
|
209 |
[
|
210 |
{
|
211 |
"id": "node1.example.com",
|
212 |
"uri": "\/instances\/node1.example.com"
|
213 |
},
|
214 |
{
|
215 |
"id": "node2.example.com",
|
216 |
"uri": "\/instances\/node2.example.com"
|
217 |
}
|
218 |
]
|
219 |
|
220 |
If the optional 'bulk' argument is provided and set to 'true'
|
221 |
value (i.e '?bulk=1'), the output contains detailed
|
222 |
information about nodes as a list.
|
223 |
|
224 |
Example::
|
225 |
|
226 |
[
|
227 |
{
|
228 |
"pinst_cnt": 1,
|
229 |
"mfree": 31280,
|
230 |
"mtotal": 32763,
|
231 |
"name": "www.example.com",
|
232 |
"tags": [],
|
233 |
"mnode": 512,
|
234 |
"dtotal": 5246208,
|
235 |
"sinst_cnt": 2,
|
236 |
"dfree": 5171712,
|
237 |
"offline": false
|
238 |
},
|
239 |
...
|
240 |
]
|
241 |
|
242 |
@return: a dictionary with 'name' and 'uri' keys for each of them
|
243 |
|
244 |
"""
|
245 |
client = baserlib.GetClient() |
246 |
|
247 |
if self.useBulk(): |
248 |
bulkdata = client.QueryNodes([], N_FIELDS, False)
|
249 |
return baserlib.MapBulkFields(bulkdata, N_FIELDS)
|
250 |
else:
|
251 |
nodesdata = client.QueryNodes([], ["name"], False) |
252 |
nodeslist = [row[0] for row in nodesdata] |
253 |
return baserlib.BuildUriList(nodeslist, "/2/nodes/%s", |
254 |
uri_fields=("id", "uri")) |
255 |
|
256 |
|
257 |
class R_2_nodes_name(baserlib.R_Generic): |
258 |
"""/2/nodes/[node_name] resources.
|
259 |
|
260 |
"""
|
261 |
DOC_URI = "/nodes/[node_name]"
|
262 |
|
263 |
def GET(self): |
264 |
"""Send information about a node.
|
265 |
|
266 |
"""
|
267 |
node_name = self.items[0] |
268 |
client = baserlib.GetClient() |
269 |
result = client.QueryNodes(names=[node_name], fields=N_FIELDS, |
270 |
use_locking=self.useLocking())
|
271 |
|
272 |
return baserlib.MapFields(N_FIELDS, result[0]) |
273 |
|
274 |
|
275 |
class R_2_instances(baserlib.R_Generic): |
276 |
"""/2/instances resource.
|
277 |
|
278 |
"""
|
279 |
DOC_URI = "/2/instances"
|
280 |
|
281 |
def GET(self): |
282 |
"""Returns a list of all available instances.
|
283 |
|
284 |
|
285 |
Example::
|
286 |
|
287 |
[
|
288 |
{
|
289 |
"name": "web.example.com",
|
290 |
"uri": "\/instances\/web.example.com"
|
291 |
},
|
292 |
{
|
293 |
"name": "mail.example.com",
|
294 |
"uri": "\/instances\/mail.example.com"
|
295 |
}
|
296 |
]
|
297 |
|
298 |
If the optional 'bulk' argument is provided and set to 'true'
|
299 |
value (i.e '?bulk=1'), the output contains detailed
|
300 |
information about instances as a list.
|
301 |
|
302 |
Example::
|
303 |
|
304 |
[
|
305 |
{
|
306 |
"status": "running",
|
307 |
"disk_usage": 20480,
|
308 |
"nic.bridges": [
|
309 |
"xen-br0"
|
310 |
],
|
311 |
"name": "web.example.com",
|
312 |
"tags": ["tag1", "tag2"],
|
313 |
"beparams": {
|
314 |
"vcpus": 2,
|
315 |
"memory": 512
|
316 |
},
|
317 |
"disk.sizes": [
|
318 |
20480
|
319 |
],
|
320 |
"pnode": "node1.example.com",
|
321 |
"nic.macs": ["01:23:45:67:89:01"],
|
322 |
"snodes": ["node2.example.com"],
|
323 |
"disk_template": "drbd",
|
324 |
"admin_state": true,
|
325 |
"os": "debian-etch",
|
326 |
"oper_state": true
|
327 |
},
|
328 |
...
|
329 |
]
|
330 |
|
331 |
@return: a dictionary with 'name' and 'uri' keys for each of them.
|
332 |
|
333 |
"""
|
334 |
client = baserlib.GetClient() |
335 |
|
336 |
use_locking = self.useLocking()
|
337 |
if self.useBulk(): |
338 |
bulkdata = client.QueryInstances([], I_FIELDS, use_locking) |
339 |
return baserlib.MapBulkFields(bulkdata, I_FIELDS)
|
340 |
else:
|
341 |
instancesdata = client.QueryInstances([], ["name"], use_locking)
|
342 |
instanceslist = [row[0] for row in instancesdata] |
343 |
return baserlib.BuildUriList(instanceslist, "/2/instances/%s", |
344 |
uri_fields=("id", "uri")) |
345 |
|
346 |
def POST(self): |
347 |
"""Create an instance.
|
348 |
|
349 |
@return: a job id
|
350 |
|
351 |
"""
|
352 |
if not isinstance(self.req.request_body, dict): |
353 |
raise http.HttpBadRequest("Invalid body contents, not a dictionary") |
354 |
|
355 |
beparams = baserlib.MakeParamsDict(self.req.request_body,
|
356 |
constants.BES_PARAMETERS) |
357 |
hvparams = baserlib.MakeParamsDict(self.req.request_body,
|
358 |
constants.HVS_PARAMETERS) |
359 |
fn = self.getBodyParameter
|
360 |
|
361 |
# disk processing
|
362 |
disk_data = fn('disks')
|
363 |
if not isinstance(disk_data, list): |
364 |
raise http.HttpBadRequest("The 'disks' parameter should be a list") |
365 |
disks = [] |
366 |
for idx, d in enumerate(disk_data): |
367 |
if not isinstance(d, int): |
368 |
raise http.HttpBadRequest("Disk %d specification wrong: should" |
369 |
" be an integer")
|
370 |
disks.append({"size": d})
|
371 |
# nic processing (one nic only)
|
372 |
nics = [{"mac": fn("mac", constants.VALUE_AUTO), |
373 |
"ip": fn("ip", None), |
374 |
"bridge": fn("bridge", None)}] |
375 |
|
376 |
op = opcodes.OpCreateInstance( |
377 |
mode=constants.INSTANCE_CREATE, |
378 |
instance_name=fn('name'),
|
379 |
disks=disks, |
380 |
disk_template=fn('disk_template'),
|
381 |
os_type=fn('os'),
|
382 |
pnode=fn('pnode', None), |
383 |
snode=fn('snode', None), |
384 |
iallocator=fn('iallocator', None), |
385 |
nics=nics, |
386 |
start=fn('start', True), |
387 |
ip_check=fn('ip_check', True), |
388 |
wait_for_sync=True,
|
389 |
hypervisor=fn('hypervisor', None), |
390 |
hvparams=hvparams, |
391 |
beparams=beparams, |
392 |
file_storage_dir=fn('file_storage_dir', None), |
393 |
file_driver=fn('file_driver', 'loop'), |
394 |
) |
395 |
|
396 |
return baserlib.SubmitJob([op])
|
397 |
|
398 |
|
399 |
class R_2_instances_name(baserlib.R_Generic): |
400 |
"""/2/instances/[instance_name] resources.
|
401 |
|
402 |
"""
|
403 |
DOC_URI = "/2/instances/[instance_name]"
|
404 |
|
405 |
def GET(self): |
406 |
"""Send information about an instance.
|
407 |
|
408 |
"""
|
409 |
client = baserlib.GetClient() |
410 |
instance_name = self.items[0] |
411 |
result = client.QueryInstances(names=[instance_name], fields=I_FIELDS, |
412 |
use_locking=self.useLocking())
|
413 |
|
414 |
return baserlib.MapFields(I_FIELDS, result[0]) |
415 |
|
416 |
def DELETE(self): |
417 |
"""Delete an instance.
|
418 |
|
419 |
"""
|
420 |
op = opcodes.OpRemoveInstance(instance_name=self.items[0], |
421 |
ignore_failures=False)
|
422 |
return baserlib.SubmitJob([op])
|
423 |
|
424 |
|
425 |
class R_2_instances_name_reboot(baserlib.R_Generic): |
426 |
"""/2/instances/[instance_name]/reboot resource.
|
427 |
|
428 |
Implements an instance reboot.
|
429 |
|
430 |
"""
|
431 |
|
432 |
DOC_URI = "/2/instances/[instance_name]/reboot"
|
433 |
|
434 |
def POST(self): |
435 |
"""Reboot an instance.
|
436 |
|
437 |
The URI takes type=[hard|soft|full] and
|
438 |
ignore_secondaries=[False|True] parameters.
|
439 |
|
440 |
"""
|
441 |
instance_name = self.items[0] |
442 |
reboot_type = self.queryargs.get('type', |
443 |
[constants.INSTANCE_REBOOT_HARD])[0]
|
444 |
ignore_secondaries = bool(self.queryargs.get('ignore_secondaries', |
445 |
[False])[0]) |
446 |
op = opcodes.OpRebootInstance(instance_name=instance_name, |
447 |
reboot_type=reboot_type, |
448 |
ignore_secondaries=ignore_secondaries) |
449 |
|
450 |
return baserlib.SubmitJob([op])
|
451 |
|
452 |
|
453 |
class R_2_instances_name_startup(baserlib.R_Generic): |
454 |
"""/2/instances/[instance_name]/startup resource.
|
455 |
|
456 |
Implements an instance startup.
|
457 |
|
458 |
"""
|
459 |
|
460 |
DOC_URI = "/2/instances/[instance_name]/startup"
|
461 |
|
462 |
def PUT(self): |
463 |
"""Startup an instance.
|
464 |
|
465 |
The URI takes force=[False|True] parameter to start the instance
|
466 |
if even if secondary disks are failing.
|
467 |
|
468 |
"""
|
469 |
instance_name = self.items[0] |
470 |
force_startup = bool(self.queryargs.get('force', [False])[0]) |
471 |
op = opcodes.OpStartupInstance(instance_name=instance_name, |
472 |
force=force_startup) |
473 |
|
474 |
return baserlib.SubmitJob([op])
|
475 |
|
476 |
|
477 |
class R_2_instances_name_shutdown(baserlib.R_Generic): |
478 |
"""/2/instances/[instance_name]/shutdown resource.
|
479 |
|
480 |
Implements an instance shutdown.
|
481 |
|
482 |
"""
|
483 |
|
484 |
DOC_URI = "/2/instances/[instance_name]/shutdown"
|
485 |
|
486 |
def PUT(self): |
487 |
"""Shutdown an instance.
|
488 |
|
489 |
"""
|
490 |
instance_name = self.items[0] |
491 |
op = opcodes.OpShutdownInstance(instance_name=instance_name) |
492 |
|
493 |
return baserlib.SubmitJob([op])
|
494 |
|
495 |
|
496 |
class _R_Tags(baserlib.R_Generic): |
497 |
""" Quasiclass for tagging resources
|
498 |
|
499 |
Manages tags. Inheriting this class you suppose to define DOC_URI and
|
500 |
TAG_LEVEL for it.
|
501 |
|
502 |
"""
|
503 |
TAG_LEVEL = None
|
504 |
|
505 |
def __init__(self, items, queryargs, req): |
506 |
"""A tag resource constructor.
|
507 |
|
508 |
We have to override the default to sort out cluster naming case.
|
509 |
|
510 |
"""
|
511 |
baserlib.R_Generic.__init__(self, items, queryargs, req)
|
512 |
|
513 |
if self.TAG_LEVEL != constants.TAG_CLUSTER: |
514 |
self.name = items[0] |
515 |
else:
|
516 |
self.name = "" |
517 |
|
518 |
def GET(self): |
519 |
"""Returns a list of tags.
|
520 |
|
521 |
Example: ["tag1", "tag2", "tag3"]
|
522 |
|
523 |
"""
|
524 |
return baserlib._Tags_GET(self.TAG_LEVEL, name=self.name) |
525 |
|
526 |
def PUT(self): |
527 |
"""Add a set of tags.
|
528 |
|
529 |
The request as a list of strings should be PUT to this URI. And
|
530 |
you'll have back a job id.
|
531 |
|
532 |
"""
|
533 |
if 'tag' not in self.queryargs: |
534 |
raise http.HttpBadRequest("Please specify tag(s) to add using the" |
535 |
" the 'tag' parameter")
|
536 |
return baserlib._Tags_PUT(self.TAG_LEVEL, |
537 |
self.queryargs['tag'], name=self.name) |
538 |
|
539 |
def DELETE(self): |
540 |
"""Delete a tag.
|
541 |
|
542 |
In order to delete a set of tags, the DELETE
|
543 |
request should be addressed to URI like:
|
544 |
/tags?tag=[tag]&tag=[tag]
|
545 |
|
546 |
"""
|
547 |
if 'tag' not in self.queryargs: |
548 |
# no we not gonna delete all tags
|
549 |
raise http.HttpBadRequest("Cannot delete all tags - please specify" |
550 |
" tag(s) using the 'tag' parameter")
|
551 |
return baserlib._Tags_DELETE(self.TAG_LEVEL, |
552 |
self.queryargs['tag'], |
553 |
name=self.name)
|
554 |
|
555 |
|
556 |
class R_2_instances_name_tags(_R_Tags): |
557 |
""" /2/instances/[instance_name]/tags resource.
|
558 |
|
559 |
Manages per-instance tags.
|
560 |
|
561 |
"""
|
562 |
DOC_URI = "/2/instances/[instance_name]/tags"
|
563 |
TAG_LEVEL = constants.TAG_INSTANCE |
564 |
|
565 |
|
566 |
class R_2_nodes_name_tags(_R_Tags): |
567 |
""" /2/nodes/[node_name]/tags resource.
|
568 |
|
569 |
Manages per-node tags.
|
570 |
|
571 |
"""
|
572 |
DOC_URI = "/2/nodes/[node_name]/tags"
|
573 |
TAG_LEVEL = constants.TAG_NODE |
574 |
|
575 |
|
576 |
class R_2_tags(_R_Tags): |
577 |
""" /2/instances/tags resource.
|
578 |
|
579 |
Manages cluster tags.
|
580 |
|
581 |
"""
|
582 |
DOC_URI = "/2/tags"
|
583 |
TAG_LEVEL = constants.TAG_CLUSTER |