root / test / ganeti.rpc_unittest.py @ b705c7a6
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#!/usr/bin/python
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#
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# Copyright (C) 2010 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 http |
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from ganeti import errors |
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from ganeti import serializer |
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import testutils |
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class TestTimeouts(unittest.TestCase): |
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def test(self): |
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names = [name[len("call_"):] for name in dir(rpc.RpcRunner) |
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if name.startswith("call_")] |
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self.assertEqual(len(names), len(rpc._TIMEOUTS)) |
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self.assertFalse([name for name in names |
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if not (rpc._TIMEOUTS[name] is None or |
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rpc._TIMEOUTS[name] > 0)])
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class FakeHttpPool: |
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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 ProcessRequests(self, reqs): |
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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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return FakeSimpleStore
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class TestClient(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, "localhost") |
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self.assertEqual(req.port, 24094) |
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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, 123)) |
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def testVersionSuccess(self): |
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fn = self._FakeAddressLookup({"localhost": "localhost"}) |
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client = rpc.Client("version", None, 24094, address_lookup_fn=fn) |
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client.ConnectNode("localhost")
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pool = FakeHttpPool(self._GetVersionResponse)
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result = client.GetResults(http_pool=pool) |
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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(pool.reqcount, 1) |
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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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fn = self._FakeAddressLookup(dict(zip(nodes, nodes))) |
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client = rpc.Client("version", None, 23245, address_lookup_fn=fn) |
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client.ConnectList(nodes) |
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pool = FakeHttpPool(self._GetMultiVersionResponse)
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result = client.GetResults(http_pool=pool) |
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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(pool.reqcount, len(nodes)) |
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def _GetVersionResponseFail(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((False, "Unknown error")) |
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def testVersionFailure(self): |
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lookup_map = {"aef9ur4i.example.com": "aef9ur4i.example.com"}
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fn = self._FakeAddressLookup(lookup_map)
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client = rpc.Client("version", None, 5903, address_lookup_fn=fn) |
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client.ConnectNode("aef9ur4i.example.com")
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pool = FakeHttpPool(self._GetVersionResponseFail)
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result = client.GetResults(http_pool=pool) |
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self.assertEqual(result.keys(), ["aef9ur4i.example.com"]) |
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lhresp = result["aef9ur4i.example.com"]
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, "aef9ur4i.example.com") |
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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(pool.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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fn = self._FakeAddressLookup(dict(zip(nodes, 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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client = rpc.Client("vg_list", None, 15165, address_lookup_fn=fn) |
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client.ConnectList(nodes) |
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pool = FakeHttpPool(compat.partial(self._GetHttpErrorResponse,
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httperrnodes, failnodes)) |
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result = client.GetResults(http_pool=pool) |
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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(pool.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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lookup_map = {"oqo7lanhly.example.com": "oqo7lanhly.example.com"}
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fn = self._FakeAddressLookup(lookup_map)
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client = rpc.Client("version", None, 19978, address_lookup_fn=fn) |
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for fn in [self._GetInvalidResponseA, self._GetInvalidResponseB]: |
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client.ConnectNode("oqo7lanhly.example.com")
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pool = FakeHttpPool(fn) |
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result = client.GetResults(http_pool=pool) |
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self.assertEqual(result.keys(), ["oqo7lanhly.example.com"]) |
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lhresp = result["oqo7lanhly.example.com"]
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self.assertFalse(lhresp.offline)
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self.assertEqual(lhresp.node, "oqo7lanhly.example.com") |
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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(pool.reqcount, 1) |
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def testAddressLookupSimpleStore(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 s: node_addr_list)
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result = rpc._AddressLookup(node_list, ssc=ssc) |
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self.assertEqual(result, addr_list)
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def testAddressLookupNSLookup(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 s: [])
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node_addr_map = dict(zip(node_list, addr_list)) |
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nslookup_fn = lambda name: node_addr_map.get(name)
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result = rpc._AddressLookup(node_list, ssc=ssc, nslookup_fn=nslookup_fn) |
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self.assertEqual(result, addr_list)
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def testAddressLookupBoth(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 s: 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: node_addr_map.get(name)
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result = rpc._AddressLookup(node_list, ssc=ssc, nslookup_fn=nslookup_fn) |
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self.assertEqual(result, addr_list)
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |