root / test / ganeti.rpc_unittest.py @ 120e7e77
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#!/usr/bin/python
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#
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# Copyright (C) 2010, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for testing ganeti.rpc"""
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import os |
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import sys |
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import unittest |
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from ganeti import constants |
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from ganeti import compat |
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from ganeti import rpc |
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from ganeti import rpc_defs |
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from ganeti import http |
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from ganeti import errors |
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from ganeti import serializer |
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from ganeti import objects |
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from ganeti import backend |
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import testutils |
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class _FakeRequestProcessor: |
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def __init__(self, response_fn): |
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self._response_fn = response_fn
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self.reqcount = 0 |
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def __call__(self, reqs, lock_monitor_cb=None): |
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assert lock_monitor_cb is None or callable(lock_monitor_cb) |
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for req in reqs: |
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self.reqcount += 1 |
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self._response_fn(req)
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def GetFakeSimpleStoreClass(fn): |
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class FakeSimpleStore: |
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GetNodePrimaryIPList = fn |
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GetPrimaryIPFamily = lambda _: None |
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return FakeSimpleStore
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class TestRpcProcessor(unittest.TestCase): |
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def _FakeAddressLookup(self, map): |
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return lambda node_list: [map.get(node) for node in node_list] |
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def _GetVersionResponse(self, req): |
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self.assertEqual(req.host, "127.0.0.1") |
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self.assertEqual(req.port, 24094) |
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self.assertEqual(req.path, "/version") |
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self.assertEqual(req.read_timeout, rpc._TMO_URGENT)
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson((True, 123)) |
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def testVersionSuccess(self): |
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resolver = rpc._StaticResolver(["127.0.0.1"])
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http_proc = _FakeRequestProcessor(self._GetVersionResponse)
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proc = rpc._RpcProcessor(resolver, 24094)
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result = proc(["localhost"], "version", {"localhost": ""}, 60, |
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NotImplemented, _req_process_fn=http_proc)
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self.assertEqual(result.keys(), ["localhost"]) |
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lhresp = result["localhost"]
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, "localhost") |
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self.assertFalse(lhresp.fail_msg)
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self.assertEqual(lhresp.payload, 123) |
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self.assertEqual(lhresp.call, "version") |
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lhresp.Raise("should not raise")
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self.assertEqual(http_proc.reqcount, 1) |
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def _ReadTimeoutResponse(self, req): |
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self.assertEqual(req.host, "192.0.2.13") |
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self.assertEqual(req.port, 19176) |
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self.assertEqual(req.path, "/version") |
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self.assertEqual(req.read_timeout, 12356) |
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson((True, -1)) |
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def testReadTimeout(self): |
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resolver = rpc._StaticResolver(["192.0.2.13"])
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http_proc = _FakeRequestProcessor(self._ReadTimeoutResponse)
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proc = rpc._RpcProcessor(resolver, 19176)
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host = "node31856"
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body = {host: ""}
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result = proc([host], "version", body, 12356, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(result.keys(), [host])
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lhresp = result[host] |
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, host)
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self.assertFalse(lhresp.fail_msg)
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self.assertEqual(lhresp.payload, -1) |
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self.assertEqual(lhresp.call, "version") |
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lhresp.Raise("should not raise")
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self.assertEqual(http_proc.reqcount, 1) |
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def testOfflineNode(self): |
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resolver = rpc._StaticResolver([rpc._OFFLINE]) |
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http_proc = _FakeRequestProcessor(NotImplemented)
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proc = rpc._RpcProcessor(resolver, 30668)
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host = "n17296"
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body = {host: ""}
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result = proc([host], "version", body, 60, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(result.keys(), [host])
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lhresp = result[host] |
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self.assertTrue(lhresp.offline)
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self.assertEqual(lhresp.node, host)
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self.assertTrue(lhresp.fail_msg)
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self.assertFalse(lhresp.payload)
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self.assertEqual(lhresp.call, "version") |
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# With a message
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self.assertRaises(errors.OpExecError, lhresp.Raise, "should raise") |
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# No message
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self.assertRaises(errors.OpExecError, lhresp.Raise, None) |
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self.assertEqual(http_proc.reqcount, 0) |
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def _GetMultiVersionResponse(self, req): |
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self.assert_(req.host.startswith("node")) |
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self.assertEqual(req.port, 23245) |
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self.assertEqual(req.path, "/version") |
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson((True, 987)) |
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def testMultiVersionSuccess(self): |
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nodes = ["node%s" % i for i in range(50)] |
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body = dict((n, "") for n in nodes) |
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resolver = rpc._StaticResolver(nodes) |
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http_proc = _FakeRequestProcessor(self._GetMultiVersionResponse)
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proc = rpc._RpcProcessor(resolver, 23245)
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result = proc(nodes, "version", body, 60, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(sorted(result.keys()), sorted(nodes)) |
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for name in nodes: |
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lhresp = result[name] |
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, name)
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self.assertFalse(lhresp.fail_msg)
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self.assertEqual(lhresp.payload, 987) |
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self.assertEqual(lhresp.call, "version") |
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lhresp.Raise("should not raise")
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self.assertEqual(http_proc.reqcount, len(nodes)) |
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def _GetVersionResponseFail(self, errinfo, req): |
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self.assertEqual(req.path, "/version") |
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson((False, errinfo))
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def testVersionFailure(self): |
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resolver = rpc._StaticResolver(["aef9ur4i.example.com"])
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proc = rpc._RpcProcessor(resolver, 5903)
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for errinfo in [None, "Unknown error"]: |
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http_proc = \ |
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_FakeRequestProcessor(compat.partial(self._GetVersionResponseFail,
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errinfo)) |
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host = "aef9ur4i.example.com"
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body = {host: ""}
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result = proc(body.keys(), "version", body, 60, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(result.keys(), [host])
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lhresp = result[host] |
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, host)
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self.assert_(lhresp.fail_msg)
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self.assertFalse(lhresp.payload)
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self.assertEqual(lhresp.call, "version") |
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self.assertRaises(errors.OpExecError, lhresp.Raise, "failed") |
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self.assertEqual(http_proc.reqcount, 1) |
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def _GetHttpErrorResponse(self, httperrnodes, failnodes, req): |
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self.assertEqual(req.path, "/vg_list") |
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self.assertEqual(req.port, 15165) |
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if req.host in httperrnodes: |
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req.success = False
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req.error = "Node set up for HTTP errors"
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elif req.host in failnodes: |
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req.success = True
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req.resp_status_code = 404
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req.resp_body = serializer.DumpJson({
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"code": 404, |
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"message": "Method not found", |
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"explain": "Explanation goes here", |
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}) |
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else:
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson((True, hash(req.host))) |
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def testHttpError(self): |
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nodes = ["uaf6pbbv%s" % i for i in range(50)] |
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body = dict((n, "") for n in nodes) |
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resolver = rpc._StaticResolver(nodes) |
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httperrnodes = set(nodes[1::7]) |
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self.assertEqual(len(httperrnodes), 7) |
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failnodes = set(nodes[2::3]) - httperrnodes |
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self.assertEqual(len(failnodes), 14) |
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self.assertEqual(len(set(nodes) - failnodes - httperrnodes), 29) |
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proc = rpc._RpcProcessor(resolver, 15165)
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http_proc = \ |
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_FakeRequestProcessor(compat.partial(self._GetHttpErrorResponse,
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httperrnodes, failnodes)) |
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result = proc(nodes, "vg_list", body, rpc._TMO_URGENT, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(sorted(result.keys()), sorted(nodes)) |
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for name in nodes: |
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lhresp = result[name] |
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, name)
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self.assertEqual(lhresp.call, "vg_list") |
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if name in httperrnodes: |
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self.assert_(lhresp.fail_msg)
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self.assertRaises(errors.OpExecError, lhresp.Raise, "failed") |
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elif name in failnodes: |
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self.assert_(lhresp.fail_msg)
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self.assertRaises(errors.OpPrereqError, lhresp.Raise, "failed", |
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prereq=True, ecode=errors.ECODE_INVAL)
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else:
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self.assertFalse(lhresp.fail_msg)
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self.assertEqual(lhresp.payload, hash(name)) |
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lhresp.Raise("should not raise")
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self.assertEqual(http_proc.reqcount, len(nodes)) |
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def _GetInvalidResponseA(self, req): |
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self.assertEqual(req.path, "/version") |
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson(("This", "is", "an", "invalid", |
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"response", "!", 1, 2, 3)) |
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def _GetInvalidResponseB(self, req): |
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self.assertEqual(req.path, "/version") |
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson("invalid response")
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def testInvalidResponse(self): |
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resolver = rpc._StaticResolver(["oqo7lanhly.example.com"])
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proc = rpc._RpcProcessor(resolver, 19978)
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for fn in [self._GetInvalidResponseA, self._GetInvalidResponseB]: |
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http_proc = _FakeRequestProcessor(fn) |
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host = "oqo7lanhly.example.com"
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body = {host: ""}
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result = proc([host], "version", body, 60, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(result.keys(), [host])
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lhresp = result[host] |
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, host)
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self.assert_(lhresp.fail_msg)
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self.assertFalse(lhresp.payload)
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self.assertEqual(lhresp.call, "version") |
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self.assertRaises(errors.OpExecError, lhresp.Raise, "failed") |
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self.assertEqual(http_proc.reqcount, 1) |
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def _GetBodyTestResponse(self, test_data, req): |
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self.assertEqual(req.host, "192.0.2.84") |
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self.assertEqual(req.port, 18700) |
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self.assertEqual(req.path, "/upload_file") |
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self.assertEqual(serializer.LoadJson(req.post_data), test_data)
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req.success = True
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req.resp_status_code = http.HTTP_OK |
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req.resp_body = serializer.DumpJson((True, None)) |
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def testResponseBody(self): |
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test_data = {
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"Hello": "World", |
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"xyz": range(10), |
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} |
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resolver = rpc._StaticResolver(["192.0.2.84"])
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http_proc = _FakeRequestProcessor(compat.partial(self._GetBodyTestResponse,
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test_data)) |
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proc = rpc._RpcProcessor(resolver, 18700)
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host = "node19759"
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body = {host: serializer.DumpJson(test_data)}
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result = proc([host], "upload_file", body, 30, NotImplemented, |
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_req_process_fn=http_proc) |
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self.assertEqual(result.keys(), [host])
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lhresp = result[host] |
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, host)
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self.assertFalse(lhresp.fail_msg)
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self.assertEqual(lhresp.payload, None) |
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self.assertEqual(lhresp.call, "upload_file") |
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lhresp.Raise("should not raise")
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self.assertEqual(http_proc.reqcount, 1) |
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class TestSsconfResolver(unittest.TestCase): |
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def testSsconfLookup(self): |
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addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)] |
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node_list = ["node%d.example.com" % n for n in range(0, 255, 13)] |
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node_addr_list = [" ".join(t) for t in zip(node_list, addr_list)] |
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ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
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result = rpc._SsconfResolver(node_list, NotImplemented,
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ssc=ssc, nslookup_fn=NotImplemented)
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self.assertEqual(result, zip(node_list, addr_list)) |
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def testNsLookup(self): |
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addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)] |
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node_list = ["node%d.example.com" % n for n in range(0, 255, 13)] |
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ssc = GetFakeSimpleStoreClass(lambda _: [])
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node_addr_map = dict(zip(node_list, addr_list)) |
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nslookup_fn = lambda name, family=None: node_addr_map.get(name) |
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result = rpc._SsconfResolver(node_list, NotImplemented,
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ssc=ssc, nslookup_fn=nslookup_fn) |
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self.assertEqual(result, zip(node_list, addr_list)) |
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def testBothLookups(self): |
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addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)] |
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node_list = ["node%d.example.com" % n for n in range(0, 255, 13)] |
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n = len(addr_list) / 2 |
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node_addr_list = [" ".join(t) for t in zip(node_list[n:], addr_list[n:])] |
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ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
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node_addr_map = dict(zip(node_list[:n], addr_list[:n])) |
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nslookup_fn = lambda name, family=None: node_addr_map.get(name) |
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result = rpc._SsconfResolver(node_list, NotImplemented,
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ssc=ssc, nslookup_fn=nslookup_fn) |
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self.assertEqual(result, zip(node_list, addr_list)) |
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def testAddressLookupIPv6(self): |
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addr_list = ["2001:db8::%d" % n for n in range(0, 255, 11)] |
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node_list = ["node%d.example.com" % n for n in range(0, 255, 11)] |
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node_addr_list = [" ".join(t) for t in zip(node_list, addr_list)] |
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ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
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result = rpc._SsconfResolver(node_list, NotImplemented,
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ssc=ssc, nslookup_fn=NotImplemented)
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self.assertEqual(result, zip(node_list, addr_list)) |
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class TestStaticResolver(unittest.TestCase): |
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def test(self): |
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addresses = ["192.0.2.%d" % n for n in range(0, 123, 7)] |
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nodes = ["node%s.example.com" % n for n in range(0, 123, 7)] |
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res = rpc._StaticResolver(addresses) |
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self.assertEqual(res(nodes, NotImplemented), zip(nodes, addresses)) |
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def testWrongLength(self): |
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res = rpc._StaticResolver([]) |
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self.assertRaises(AssertionError, res, ["abc"], NotImplemented) |
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class TestNodeConfigResolver(unittest.TestCase): |
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@staticmethod
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def _GetSingleOnlineNode(name): |
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assert name == "node90.example.com" |
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return objects.Node(name=name, offline=False, primary_ip="192.0.2.90") |
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@staticmethod
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def _GetSingleOfflineNode(name): |
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assert name == "node100.example.com" |
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return objects.Node(name=name, offline=True, primary_ip="192.0.2.100") |
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def testSingleOnline(self): |
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self.assertEqual(rpc._NodeConfigResolver(self._GetSingleOnlineNode, |
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NotImplemented,
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["node90.example.com"], None), |
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[("node90.example.com", "192.0.2.90")]) |
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def testSingleOffline(self): |
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self.assertEqual(rpc._NodeConfigResolver(self._GetSingleOfflineNode, |
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NotImplemented,
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["node100.example.com"], None), |
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[("node100.example.com", rpc._OFFLINE)])
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def testSingleOfflineWithAcceptOffline(self): |
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fn = self._GetSingleOfflineNode
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assert fn("node100.example.com").offline |
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self.assertEqual(rpc._NodeConfigResolver(fn, NotImplemented, |
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["node100.example.com"],
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rpc_defs.ACCEPT_OFFLINE_NODE), |
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[("node100.example.com", "192.0.2.100")]) |
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for i in [False, True, "", "Hello", 0, 1]: |
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self.assertRaises(AssertionError, rpc._NodeConfigResolver, |
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fn, NotImplemented, ["node100.example.com"], i) |
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|
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def testUnknownSingleNode(self): |
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self.assertEqual(rpc._NodeConfigResolver(lambda _: None, NotImplemented, |
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["node110.example.com"], None), |
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[("node110.example.com", "node110.example.com")]) |
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|
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def testMultiEmpty(self): |
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self.assertEqual(rpc._NodeConfigResolver(NotImplemented, |
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lambda: {},
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[], None),
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[]) |
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|
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def testMultiSomeOffline(self): |
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nodes = dict(("node%s.example.com" % i, |
| 426 |
objects.Node(name="node%s.example.com" % i,
|
| 427 |
offline=((i % 3) == 0), |
| 428 |
primary_ip="192.0.2.%s" % i))
|
| 429 |
for i in range(1, 255)) |
| 430 |
|
| 431 |
# Resolve no names
|
| 432 |
self.assertEqual(rpc._NodeConfigResolver(NotImplemented, |
| 433 |
lambda: nodes,
|
| 434 |
[], None),
|
| 435 |
[]) |
| 436 |
|
| 437 |
# Offline, online and unknown hosts
|
| 438 |
self.assertEqual(rpc._NodeConfigResolver(NotImplemented, |
| 439 |
lambda: nodes,
|
| 440 |
["node3.example.com",
|
| 441 |
"node92.example.com",
|
| 442 |
"node54.example.com",
|
| 443 |
"unknown.example.com",],
|
| 444 |
None), [
|
| 445 |
("node3.example.com", rpc._OFFLINE),
|
| 446 |
("node92.example.com", "192.0.2.92"), |
| 447 |
("node54.example.com", rpc._OFFLINE),
|
| 448 |
("unknown.example.com", "unknown.example.com"), |
| 449 |
]) |
| 450 |
|
| 451 |
|
| 452 |
class TestCompress(unittest.TestCase): |
| 453 |
def test(self): |
| 454 |
for data in ["", "Hello", "Hello World!\nnew\nlines"]: |
| 455 |
self.assertEqual(rpc._Compress(data),
|
| 456 |
(constants.RPC_ENCODING_NONE, data)) |
| 457 |
|
| 458 |
for data in [512 * " ", 5242 * "Hello World!\n"]: |
| 459 |
compressed = rpc._Compress(data) |
| 460 |
self.assertEqual(len(compressed), 2) |
| 461 |
self.assertEqual(backend._Decompress(compressed), data)
|
| 462 |
|
| 463 |
def testDecompression(self): |
| 464 |
self.assertRaises(AssertionError, backend._Decompress, "") |
| 465 |
self.assertRaises(AssertionError, backend._Decompress, [""]) |
| 466 |
self.assertRaises(AssertionError, backend._Decompress, |
| 467 |
("unknown compression", "data")) |
| 468 |
self.assertRaises(Exception, backend._Decompress, |
| 469 |
(constants.RPC_ENCODING_ZLIB_BASE64, "invalid zlib data"))
|
| 470 |
|
| 471 |
|
| 472 |
if __name__ == "__main__": |
| 473 |
testutils.GanetiTestProgram() |