root / test / ganeti.rpc_unittest.py @ fce5efd1
History | View | Annotate | Download (16.4 kB)
| 1 |
#!/usr/bin/python
|
|---|---|
| 2 |
#
|
| 3 |
|
| 4 |
# Copyright (C) 2010, 2011 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 |
"""Script for testing ganeti.rpc"""
|
| 23 |
|
| 24 |
import os |
| 25 |
import sys |
| 26 |
import unittest |
| 27 |
|
| 28 |
from ganeti import constants |
| 29 |
from ganeti import compat |
| 30 |
from ganeti import rpc |
| 31 |
from ganeti import http |
| 32 |
from ganeti import errors |
| 33 |
from ganeti import serializer |
| 34 |
from ganeti import objects |
| 35 |
|
| 36 |
import testutils |
| 37 |
|
| 38 |
|
| 39 |
class _FakeRequestProcessor: |
| 40 |
def __init__(self, response_fn): |
| 41 |
self._response_fn = response_fn
|
| 42 |
self.reqcount = 0 |
| 43 |
|
| 44 |
def __call__(self, reqs, lock_monitor_cb=None): |
| 45 |
assert lock_monitor_cb is None or callable(lock_monitor_cb) |
| 46 |
for req in reqs: |
| 47 |
self.reqcount += 1 |
| 48 |
self._response_fn(req)
|
| 49 |
|
| 50 |
|
| 51 |
def GetFakeSimpleStoreClass(fn): |
| 52 |
class FakeSimpleStore: |
| 53 |
GetNodePrimaryIPList = fn |
| 54 |
GetPrimaryIPFamily = lambda _: None |
| 55 |
|
| 56 |
return FakeSimpleStore
|
| 57 |
|
| 58 |
|
| 59 |
class TestRpcProcessor(unittest.TestCase): |
| 60 |
def _FakeAddressLookup(self, map): |
| 61 |
return lambda node_list: [map.get(node) for node in node_list] |
| 62 |
|
| 63 |
def _GetVersionResponse(self, req): |
| 64 |
self.assertEqual(req.host, "127.0.0.1") |
| 65 |
self.assertEqual(req.port, 24094) |
| 66 |
self.assertEqual(req.path, "/version") |
| 67 |
self.assertEqual(req.read_timeout, rpc._TMO_URGENT)
|
| 68 |
req.success = True
|
| 69 |
req.resp_status_code = http.HTTP_OK |
| 70 |
req.resp_body = serializer.DumpJson((True, 123)) |
| 71 |
|
| 72 |
def testVersionSuccess(self): |
| 73 |
resolver = rpc._StaticResolver(["127.0.0.1"])
|
| 74 |
http_proc = _FakeRequestProcessor(self._GetVersionResponse)
|
| 75 |
proc = rpc._RpcProcessor(resolver, 24094)
|
| 76 |
result = proc(["localhost"], "version", {"localhost": ""}, 60, |
| 77 |
NotImplemented, _req_process_fn=http_proc)
|
| 78 |
self.assertEqual(result.keys(), ["localhost"]) |
| 79 |
lhresp = result["localhost"]
|
| 80 |
self.assertFalse(lhresp.offline)
|
| 81 |
self.assertEqual(lhresp.node, "localhost") |
| 82 |
self.assertFalse(lhresp.fail_msg)
|
| 83 |
self.assertEqual(lhresp.payload, 123) |
| 84 |
self.assertEqual(lhresp.call, "version") |
| 85 |
lhresp.Raise("should not raise")
|
| 86 |
self.assertEqual(http_proc.reqcount, 1) |
| 87 |
|
| 88 |
def _ReadTimeoutResponse(self, req): |
| 89 |
self.assertEqual(req.host, "192.0.2.13") |
| 90 |
self.assertEqual(req.port, 19176) |
| 91 |
self.assertEqual(req.path, "/version") |
| 92 |
self.assertEqual(req.read_timeout, 12356) |
| 93 |
req.success = True
|
| 94 |
req.resp_status_code = http.HTTP_OK |
| 95 |
req.resp_body = serializer.DumpJson((True, -1)) |
| 96 |
|
| 97 |
def testReadTimeout(self): |
| 98 |
resolver = rpc._StaticResolver(["192.0.2.13"])
|
| 99 |
http_proc = _FakeRequestProcessor(self._ReadTimeoutResponse)
|
| 100 |
proc = rpc._RpcProcessor(resolver, 19176)
|
| 101 |
host = "node31856"
|
| 102 |
body = {host: ""}
|
| 103 |
result = proc([host], "version", body, 12356, NotImplemented, |
| 104 |
_req_process_fn=http_proc) |
| 105 |
self.assertEqual(result.keys(), [host])
|
| 106 |
lhresp = result[host] |
| 107 |
self.assertFalse(lhresp.offline)
|
| 108 |
self.assertEqual(lhresp.node, host)
|
| 109 |
self.assertFalse(lhresp.fail_msg)
|
| 110 |
self.assertEqual(lhresp.payload, -1) |
| 111 |
self.assertEqual(lhresp.call, "version") |
| 112 |
lhresp.Raise("should not raise")
|
| 113 |
self.assertEqual(http_proc.reqcount, 1) |
| 114 |
|
| 115 |
def testOfflineNode(self): |
| 116 |
resolver = rpc._StaticResolver([rpc._OFFLINE]) |
| 117 |
http_proc = _FakeRequestProcessor(NotImplemented)
|
| 118 |
proc = rpc._RpcProcessor(resolver, 30668)
|
| 119 |
host = "n17296"
|
| 120 |
body = {host: ""}
|
| 121 |
result = proc([host], "version", body, 60, NotImplemented, |
| 122 |
_req_process_fn=http_proc) |
| 123 |
self.assertEqual(result.keys(), [host])
|
| 124 |
lhresp = result[host] |
| 125 |
self.assertTrue(lhresp.offline)
|
| 126 |
self.assertEqual(lhresp.node, host)
|
| 127 |
self.assertTrue(lhresp.fail_msg)
|
| 128 |
self.assertFalse(lhresp.payload)
|
| 129 |
self.assertEqual(lhresp.call, "version") |
| 130 |
|
| 131 |
# With a message
|
| 132 |
self.assertRaises(errors.OpExecError, lhresp.Raise, "should raise") |
| 133 |
|
| 134 |
# No message
|
| 135 |
self.assertRaises(errors.OpExecError, lhresp.Raise, None) |
| 136 |
|
| 137 |
self.assertEqual(http_proc.reqcount, 0) |
| 138 |
|
| 139 |
def _GetMultiVersionResponse(self, req): |
| 140 |
self.assert_(req.host.startswith("node")) |
| 141 |
self.assertEqual(req.port, 23245) |
| 142 |
self.assertEqual(req.path, "/version") |
| 143 |
req.success = True
|
| 144 |
req.resp_status_code = http.HTTP_OK |
| 145 |
req.resp_body = serializer.DumpJson((True, 987)) |
| 146 |
|
| 147 |
def testMultiVersionSuccess(self): |
| 148 |
nodes = ["node%s" % i for i in range(50)] |
| 149 |
body = dict((n, "") for n in nodes) |
| 150 |
resolver = rpc._StaticResolver(nodes) |
| 151 |
http_proc = _FakeRequestProcessor(self._GetMultiVersionResponse)
|
| 152 |
proc = rpc._RpcProcessor(resolver, 23245)
|
| 153 |
result = proc(nodes, "version", body, 60, NotImplemented, |
| 154 |
_req_process_fn=http_proc) |
| 155 |
self.assertEqual(sorted(result.keys()), sorted(nodes)) |
| 156 |
|
| 157 |
for name in nodes: |
| 158 |
lhresp = result[name] |
| 159 |
self.assertFalse(lhresp.offline)
|
| 160 |
self.assertEqual(lhresp.node, name)
|
| 161 |
self.assertFalse(lhresp.fail_msg)
|
| 162 |
self.assertEqual(lhresp.payload, 987) |
| 163 |
self.assertEqual(lhresp.call, "version") |
| 164 |
lhresp.Raise("should not raise")
|
| 165 |
|
| 166 |
self.assertEqual(http_proc.reqcount, len(nodes)) |
| 167 |
|
| 168 |
def _GetVersionResponseFail(self, errinfo, req): |
| 169 |
self.assertEqual(req.path, "/version") |
| 170 |
req.success = True
|
| 171 |
req.resp_status_code = http.HTTP_OK |
| 172 |
req.resp_body = serializer.DumpJson((False, errinfo))
|
| 173 |
|
| 174 |
def testVersionFailure(self): |
| 175 |
resolver = rpc._StaticResolver(["aef9ur4i.example.com"])
|
| 176 |
proc = rpc._RpcProcessor(resolver, 5903)
|
| 177 |
for errinfo in [None, "Unknown error"]: |
| 178 |
http_proc = \ |
| 179 |
_FakeRequestProcessor(compat.partial(self._GetVersionResponseFail,
|
| 180 |
errinfo)) |
| 181 |
host = "aef9ur4i.example.com"
|
| 182 |
body = {host: ""}
|
| 183 |
result = proc(body.keys(), "version", body, 60, NotImplemented, |
| 184 |
_req_process_fn=http_proc) |
| 185 |
self.assertEqual(result.keys(), [host])
|
| 186 |
lhresp = result[host] |
| 187 |
self.assertFalse(lhresp.offline)
|
| 188 |
self.assertEqual(lhresp.node, host)
|
| 189 |
self.assert_(lhresp.fail_msg)
|
| 190 |
self.assertFalse(lhresp.payload)
|
| 191 |
self.assertEqual(lhresp.call, "version") |
| 192 |
self.assertRaises(errors.OpExecError, lhresp.Raise, "failed") |
| 193 |
self.assertEqual(http_proc.reqcount, 1) |
| 194 |
|
| 195 |
def _GetHttpErrorResponse(self, httperrnodes, failnodes, req): |
| 196 |
self.assertEqual(req.path, "/vg_list") |
| 197 |
self.assertEqual(req.port, 15165) |
| 198 |
|
| 199 |
if req.host in httperrnodes: |
| 200 |
req.success = False
|
| 201 |
req.error = "Node set up for HTTP errors"
|
| 202 |
|
| 203 |
elif req.host in failnodes: |
| 204 |
req.success = True
|
| 205 |
req.resp_status_code = 404
|
| 206 |
req.resp_body = serializer.DumpJson({
|
| 207 |
"code": 404, |
| 208 |
"message": "Method not found", |
| 209 |
"explain": "Explanation goes here", |
| 210 |
}) |
| 211 |
else:
|
| 212 |
req.success = True
|
| 213 |
req.resp_status_code = http.HTTP_OK |
| 214 |
req.resp_body = serializer.DumpJson((True, hash(req.host))) |
| 215 |
|
| 216 |
def testHttpError(self): |
| 217 |
nodes = ["uaf6pbbv%s" % i for i in range(50)] |
| 218 |
body = dict((n, "") for n in nodes) |
| 219 |
resolver = rpc._StaticResolver(nodes) |
| 220 |
|
| 221 |
httperrnodes = set(nodes[1::7]) |
| 222 |
self.assertEqual(len(httperrnodes), 7) |
| 223 |
|
| 224 |
failnodes = set(nodes[2::3]) - httperrnodes |
| 225 |
self.assertEqual(len(failnodes), 14) |
| 226 |
|
| 227 |
self.assertEqual(len(set(nodes) - failnodes - httperrnodes), 29) |
| 228 |
|
| 229 |
proc = rpc._RpcProcessor(resolver, 15165)
|
| 230 |
http_proc = \ |
| 231 |
_FakeRequestProcessor(compat.partial(self._GetHttpErrorResponse,
|
| 232 |
httperrnodes, failnodes)) |
| 233 |
result = proc(nodes, "vg_list", body, rpc._TMO_URGENT, NotImplemented, |
| 234 |
_req_process_fn=http_proc) |
| 235 |
self.assertEqual(sorted(result.keys()), sorted(nodes)) |
| 236 |
|
| 237 |
for name in nodes: |
| 238 |
lhresp = result[name] |
| 239 |
self.assertFalse(lhresp.offline)
|
| 240 |
self.assertEqual(lhresp.node, name)
|
| 241 |
self.assertEqual(lhresp.call, "vg_list") |
| 242 |
|
| 243 |
if name in httperrnodes: |
| 244 |
self.assert_(lhresp.fail_msg)
|
| 245 |
self.assertRaises(errors.OpExecError, lhresp.Raise, "failed") |
| 246 |
elif name in failnodes: |
| 247 |
self.assert_(lhresp.fail_msg)
|
| 248 |
self.assertRaises(errors.OpPrereqError, lhresp.Raise, "failed", |
| 249 |
prereq=True, ecode=errors.ECODE_INVAL)
|
| 250 |
else:
|
| 251 |
self.assertFalse(lhresp.fail_msg)
|
| 252 |
self.assertEqual(lhresp.payload, hash(name)) |
| 253 |
lhresp.Raise("should not raise")
|
| 254 |
|
| 255 |
self.assertEqual(http_proc.reqcount, len(nodes)) |
| 256 |
|
| 257 |
def _GetInvalidResponseA(self, req): |
| 258 |
self.assertEqual(req.path, "/version") |
| 259 |
req.success = True
|
| 260 |
req.resp_status_code = http.HTTP_OK |
| 261 |
req.resp_body = serializer.DumpJson(("This", "is", "an", "invalid", |
| 262 |
"response", "!", 1, 2, 3)) |
| 263 |
|
| 264 |
def _GetInvalidResponseB(self, req): |
| 265 |
self.assertEqual(req.path, "/version") |
| 266 |
req.success = True
|
| 267 |
req.resp_status_code = http.HTTP_OK |
| 268 |
req.resp_body = serializer.DumpJson("invalid response")
|
| 269 |
|
| 270 |
def testInvalidResponse(self): |
| 271 |
resolver = rpc._StaticResolver(["oqo7lanhly.example.com"])
|
| 272 |
proc = rpc._RpcProcessor(resolver, 19978)
|
| 273 |
|
| 274 |
for fn in [self._GetInvalidResponseA, self._GetInvalidResponseB]: |
| 275 |
http_proc = _FakeRequestProcessor(fn) |
| 276 |
host = "oqo7lanhly.example.com"
|
| 277 |
body = {host: ""}
|
| 278 |
result = proc([host], "version", body, 60, NotImplemented, |
| 279 |
_req_process_fn=http_proc) |
| 280 |
self.assertEqual(result.keys(), [host])
|
| 281 |
lhresp = result[host] |
| 282 |
self.assertFalse(lhresp.offline)
|
| 283 |
self.assertEqual(lhresp.node, host)
|
| 284 |
self.assert_(lhresp.fail_msg)
|
| 285 |
self.assertFalse(lhresp.payload)
|
| 286 |
self.assertEqual(lhresp.call, "version") |
| 287 |
self.assertRaises(errors.OpExecError, lhresp.Raise, "failed") |
| 288 |
self.assertEqual(http_proc.reqcount, 1) |
| 289 |
|
| 290 |
def _GetBodyTestResponse(self, test_data, req): |
| 291 |
self.assertEqual(req.host, "192.0.2.84") |
| 292 |
self.assertEqual(req.port, 18700) |
| 293 |
self.assertEqual(req.path, "/upload_file") |
| 294 |
self.assertEqual(serializer.LoadJson(req.post_data), test_data)
|
| 295 |
req.success = True
|
| 296 |
req.resp_status_code = http.HTTP_OK |
| 297 |
req.resp_body = serializer.DumpJson((True, None)) |
| 298 |
|
| 299 |
def testResponseBody(self): |
| 300 |
test_data = {
|
| 301 |
"Hello": "World", |
| 302 |
"xyz": range(10), |
| 303 |
} |
| 304 |
resolver = rpc._StaticResolver(["192.0.2.84"])
|
| 305 |
http_proc = _FakeRequestProcessor(compat.partial(self._GetBodyTestResponse,
|
| 306 |
test_data)) |
| 307 |
proc = rpc._RpcProcessor(resolver, 18700)
|
| 308 |
host = "node19759"
|
| 309 |
body = {host: serializer.DumpJson(test_data)}
|
| 310 |
result = proc([host], "upload_file", body, 30, NotImplemented, |
| 311 |
_req_process_fn=http_proc) |
| 312 |
self.assertEqual(result.keys(), [host])
|
| 313 |
lhresp = result[host] |
| 314 |
self.assertFalse(lhresp.offline)
|
| 315 |
self.assertEqual(lhresp.node, host)
|
| 316 |
self.assertFalse(lhresp.fail_msg)
|
| 317 |
self.assertEqual(lhresp.payload, None) |
| 318 |
self.assertEqual(lhresp.call, "upload_file") |
| 319 |
lhresp.Raise("should not raise")
|
| 320 |
self.assertEqual(http_proc.reqcount, 1) |
| 321 |
|
| 322 |
|
| 323 |
class TestSsconfResolver(unittest.TestCase): |
| 324 |
def testSsconfLookup(self): |
| 325 |
addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)] |
| 326 |
node_list = ["node%d.example.com" % n for n in range(0, 255, 13)] |
| 327 |
node_addr_list = [" ".join(t) for t in zip(node_list, addr_list)] |
| 328 |
ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
|
| 329 |
result = rpc._SsconfResolver(node_list, NotImplemented,
|
| 330 |
ssc=ssc, nslookup_fn=NotImplemented)
|
| 331 |
self.assertEqual(result, zip(node_list, addr_list)) |
| 332 |
|
| 333 |
def testNsLookup(self): |
| 334 |
addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)] |
| 335 |
node_list = ["node%d.example.com" % n for n in range(0, 255, 13)] |
| 336 |
ssc = GetFakeSimpleStoreClass(lambda _: [])
|
| 337 |
node_addr_map = dict(zip(node_list, addr_list)) |
| 338 |
nslookup_fn = lambda name, family=None: node_addr_map.get(name) |
| 339 |
result = rpc._SsconfResolver(node_list, NotImplemented,
|
| 340 |
ssc=ssc, nslookup_fn=nslookup_fn) |
| 341 |
self.assertEqual(result, zip(node_list, addr_list)) |
| 342 |
|
| 343 |
def testBothLookups(self): |
| 344 |
addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)] |
| 345 |
node_list = ["node%d.example.com" % n for n in range(0, 255, 13)] |
| 346 |
n = len(addr_list) / 2 |
| 347 |
node_addr_list = [" ".join(t) for t in zip(node_list[n:], addr_list[n:])] |
| 348 |
ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
|
| 349 |
node_addr_map = dict(zip(node_list[:n], addr_list[:n])) |
| 350 |
nslookup_fn = lambda name, family=None: node_addr_map.get(name) |
| 351 |
result = rpc._SsconfResolver(node_list, NotImplemented,
|
| 352 |
ssc=ssc, nslookup_fn=nslookup_fn) |
| 353 |
self.assertEqual(result, zip(node_list, addr_list)) |
| 354 |
|
| 355 |
def testAddressLookupIPv6(self): |
| 356 |
addr_list = ["2001:db8::%d" % n for n in range(0, 255, 11)] |
| 357 |
node_list = ["node%d.example.com" % n for n in range(0, 255, 11)] |
| 358 |
node_addr_list = [" ".join(t) for t in zip(node_list, addr_list)] |
| 359 |
ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
|
| 360 |
result = rpc._SsconfResolver(node_list, NotImplemented,
|
| 361 |
ssc=ssc, nslookup_fn=NotImplemented)
|
| 362 |
self.assertEqual(result, zip(node_list, addr_list)) |
| 363 |
|
| 364 |
|
| 365 |
class TestStaticResolver(unittest.TestCase): |
| 366 |
def test(self): |
| 367 |
addresses = ["192.0.2.%d" % n for n in range(0, 123, 7)] |
| 368 |
nodes = ["node%s.example.com" % n for n in range(0, 123, 7)] |
| 369 |
res = rpc._StaticResolver(addresses) |
| 370 |
self.assertEqual(res(nodes, NotImplemented), zip(nodes, addresses)) |
| 371 |
|
| 372 |
def testWrongLength(self): |
| 373 |
res = rpc._StaticResolver([]) |
| 374 |
self.assertRaises(AssertionError, res, ["abc"], NotImplemented) |
| 375 |
|
| 376 |
|
| 377 |
class TestNodeConfigResolver(unittest.TestCase): |
| 378 |
@staticmethod
|
| 379 |
def _GetSingleOnlineNode(name): |
| 380 |
assert name == "node90.example.com" |
| 381 |
return objects.Node(name=name, offline=False, primary_ip="192.0.2.90") |
| 382 |
|
| 383 |
@staticmethod
|
| 384 |
def _GetSingleOfflineNode(name): |
| 385 |
assert name == "node100.example.com" |
| 386 |
return objects.Node(name=name, offline=True, primary_ip="192.0.2.100") |
| 387 |
|
| 388 |
def testSingleOnline(self): |
| 389 |
self.assertEqual(rpc._NodeConfigResolver(self._GetSingleOnlineNode, |
| 390 |
NotImplemented,
|
| 391 |
["node90.example.com"], None), |
| 392 |
[("node90.example.com", "192.0.2.90")]) |
| 393 |
|
| 394 |
def testSingleOffline(self): |
| 395 |
self.assertEqual(rpc._NodeConfigResolver(self._GetSingleOfflineNode, |
| 396 |
NotImplemented,
|
| 397 |
["node100.example.com"], None), |
| 398 |
[("node100.example.com", rpc._OFFLINE)])
|
| 399 |
|
| 400 |
def testUnknownSingleNode(self): |
| 401 |
self.assertEqual(rpc._NodeConfigResolver(lambda _: None, NotImplemented, |
| 402 |
["node110.example.com"], None), |
| 403 |
[("node110.example.com", "node110.example.com")]) |
| 404 |
|
| 405 |
def testMultiEmpty(self): |
| 406 |
self.assertEqual(rpc._NodeConfigResolver(NotImplemented, |
| 407 |
lambda: {},
|
| 408 |
[], None),
|
| 409 |
[]) |
| 410 |
|
| 411 |
def testMultiSomeOffline(self): |
| 412 |
nodes = dict(("node%s.example.com" % i, |
| 413 |
objects.Node(name="node%s.example.com" % i,
|
| 414 |
offline=((i % 3) == 0), |
| 415 |
primary_ip="192.0.2.%s" % i))
|
| 416 |
for i in range(1, 255)) |
| 417 |
|
| 418 |
# Resolve no names
|
| 419 |
self.assertEqual(rpc._NodeConfigResolver(NotImplemented, |
| 420 |
lambda: nodes,
|
| 421 |
[], None),
|
| 422 |
[]) |
| 423 |
|
| 424 |
# Offline, online and unknown hosts
|
| 425 |
self.assertEqual(rpc._NodeConfigResolver(NotImplemented, |
| 426 |
lambda: nodes,
|
| 427 |
["node3.example.com",
|
| 428 |
"node92.example.com",
|
| 429 |
"node54.example.com",
|
| 430 |
"unknown.example.com",],
|
| 431 |
None), [
|
| 432 |
("node3.example.com", rpc._OFFLINE),
|
| 433 |
("node92.example.com", "192.0.2.92"), |
| 434 |
("node54.example.com", rpc._OFFLINE),
|
| 435 |
("unknown.example.com", "unknown.example.com"), |
| 436 |
]) |
| 437 |
|
| 438 |
|
| 439 |
if __name__ == "__main__": |
| 440 |
testutils.GanetiTestProgram() |