#!/usr/bin/python
#
-# Copyright (C) 2010, 2011 Google Inc.
+# Copyright (C) 2010, 2011, 2012 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
import os
import sys
import unittest
+import random
+import tempfile
from ganeti import constants
from ganeti import compat
from ganeti import rpc
+from ganeti import rpc_defs
from ganeti import http
from ganeti import errors
from ganeti import serializer
from ganeti import objects
+from ganeti import backend
import testutils
+import mocks
class _FakeRequestProcessor:
return FakeSimpleStore
+def _RaiseNotImplemented():
+ """Simple wrapper to raise NotImplementedError.
+
+ """
+ raise NotImplementedError
+
+
class TestRpcProcessor(unittest.TestCase):
def _FakeAddressLookup(self, map):
return lambda node_list: [map.get(node) for node in node_list]
self.assertEqual(req.host, "127.0.0.1")
self.assertEqual(req.port, 24094)
self.assertEqual(req.path, "/version")
- self.assertEqual(req.read_timeout, rpc._TMO_URGENT)
+ self.assertEqual(req.read_timeout, constants.RPC_TMO_URGENT)
req.success = True
req.resp_status_code = http.HTTP_OK
req.resp_body = serializer.DumpJson((True, 123))
http_proc = _FakeRequestProcessor(self._GetVersionResponse)
proc = rpc._RpcProcessor(resolver, 24094)
result = proc(["localhost"], "version", {"localhost": ""}, 60,
- _req_process_fn=http_proc)
+ NotImplemented, _req_process_fn=http_proc)
self.assertEqual(result.keys(), ["localhost"])
lhresp = result["localhost"]
self.assertFalse(lhresp.offline)
proc = rpc._RpcProcessor(resolver, 19176)
host = "node31856"
body = {host: ""}
- result = proc([host], "version", body, 12356, _req_process_fn=http_proc)
+ result = proc([host], "version", body, 12356, NotImplemented,
+ _req_process_fn=http_proc)
self.assertEqual(result.keys(), [host])
lhresp = result[host]
self.assertFalse(lhresp.offline)
proc = rpc._RpcProcessor(resolver, 30668)
host = "n17296"
body = {host: ""}
- result = proc([host], "version", body, 60, _req_process_fn=http_proc)
+ result = proc([host], "version", body, 60, NotImplemented,
+ _req_process_fn=http_proc)
self.assertEqual(result.keys(), [host])
lhresp = result[host]
self.assertTrue(lhresp.offline)
resolver = rpc._StaticResolver(nodes)
http_proc = _FakeRequestProcessor(self._GetMultiVersionResponse)
proc = rpc._RpcProcessor(resolver, 23245)
- result = proc(nodes, "version", body, 60, _req_process_fn=http_proc,)
+ result = proc(nodes, "version", body, 60, NotImplemented,
+ _req_process_fn=http_proc)
self.assertEqual(sorted(result.keys()), sorted(nodes))
for name in nodes:
errinfo))
host = "aef9ur4i.example.com"
body = {host: ""}
- result = proc(body.keys(), "version", body, 60,
+ result = proc(body.keys(), "version", body, 60, NotImplemented,
_req_process_fn=http_proc)
self.assertEqual(result.keys(), [host])
lhresp = result[host]
http_proc = \
_FakeRequestProcessor(compat.partial(self._GetHttpErrorResponse,
httperrnodes, failnodes))
- result = proc(nodes, "vg_list", body, rpc._TMO_URGENT,
+ result = proc(nodes, "vg_list", body,
+ constants.RPC_TMO_URGENT, NotImplemented,
_req_process_fn=http_proc)
self.assertEqual(sorted(result.keys()), sorted(nodes))
http_proc = _FakeRequestProcessor(fn)
host = "oqo7lanhly.example.com"
body = {host: ""}
- result = proc([host], "version", body, 60,
+ result = proc([host], "version", body, 60, NotImplemented,
_req_process_fn=http_proc)
self.assertEqual(result.keys(), [host])
lhresp = result[host]
proc = rpc._RpcProcessor(resolver, 18700)
host = "node19759"
body = {host: serializer.DumpJson(test_data)}
- result = proc([host], "upload_file", body, 30, _req_process_fn=http_proc)
+ result = proc([host], "upload_file", body, 30, NotImplemented,
+ _req_process_fn=http_proc)
self.assertEqual(result.keys(), [host])
lhresp = result[host]
self.assertFalse(lhresp.offline)
node_list = ["node%d.example.com" % n for n in range(0, 255, 13)]
node_addr_list = [" ".join(t) for t in zip(node_list, addr_list)]
ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
- result = rpc._SsconfResolver(node_list, ssc=ssc, nslookup_fn=NotImplemented)
+ result = rpc._SsconfResolver(True, node_list, NotImplemented,
+ ssc=ssc, nslookup_fn=NotImplemented)
self.assertEqual(result, zip(node_list, addr_list))
def testNsLookup(self):
ssc = GetFakeSimpleStoreClass(lambda _: [])
node_addr_map = dict(zip(node_list, addr_list))
nslookup_fn = lambda name, family=None: node_addr_map.get(name)
- result = rpc._SsconfResolver(node_list, ssc=ssc, nslookup_fn=nslookup_fn)
+ result = rpc._SsconfResolver(True, node_list, NotImplemented,
+ ssc=ssc, nslookup_fn=nslookup_fn)
+ self.assertEqual(result, zip(node_list, addr_list))
+
+ def testDisabledSsconfIp(self):
+ addr_list = ["192.0.2.%d" % n for n in range(0, 255, 13)]
+ node_list = ["node%d.example.com" % n for n in range(0, 255, 13)]
+ ssc = GetFakeSimpleStoreClass(_RaiseNotImplemented)
+ node_addr_map = dict(zip(node_list, addr_list))
+ nslookup_fn = lambda name, family=None: node_addr_map.get(name)
+ result = rpc._SsconfResolver(False, node_list, NotImplemented,
+ ssc=ssc, nslookup_fn=nslookup_fn)
self.assertEqual(result, zip(node_list, addr_list))
def testBothLookups(self):
ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
node_addr_map = dict(zip(node_list[:n], addr_list[:n]))
nslookup_fn = lambda name, family=None: node_addr_map.get(name)
- result = rpc._SsconfResolver(node_list, ssc=ssc, nslookup_fn=nslookup_fn)
+ result = rpc._SsconfResolver(True, node_list, NotImplemented,
+ ssc=ssc, nslookup_fn=nslookup_fn)
self.assertEqual(result, zip(node_list, addr_list))
def testAddressLookupIPv6(self):
node_list = ["node%d.example.com" % n for n in range(0, 255, 11)]
node_addr_list = [" ".join(t) for t in zip(node_list, addr_list)]
ssc = GetFakeSimpleStoreClass(lambda _: node_addr_list)
- result = rpc._SsconfResolver(node_list, ssc=ssc, nslookup_fn=NotImplemented)
+ result = rpc._SsconfResolver(True, node_list, NotImplemented,
+ ssc=ssc, nslookup_fn=NotImplemented)
self.assertEqual(result, zip(node_list, addr_list))
addresses = ["192.0.2.%d" % n for n in range(0, 123, 7)]
nodes = ["node%s.example.com" % n for n in range(0, 123, 7)]
res = rpc._StaticResolver(addresses)
- self.assertEqual(res(nodes), zip(nodes, addresses))
+ self.assertEqual(res(nodes, NotImplemented), zip(nodes, addresses))
def testWrongLength(self):
res = rpc._StaticResolver([])
- self.assertRaises(AssertionError, res, ["abc"])
+ self.assertRaises(AssertionError, res, ["abc"], NotImplemented)
class TestNodeConfigResolver(unittest.TestCase):
def testSingleOnline(self):
self.assertEqual(rpc._NodeConfigResolver(self._GetSingleOnlineNode,
NotImplemented,
- ["node90.example.com"]),
+ ["node90.example.com"], None),
[("node90.example.com", "192.0.2.90")])
def testSingleOffline(self):
self.assertEqual(rpc._NodeConfigResolver(self._GetSingleOfflineNode,
NotImplemented,
- ["node100.example.com"]),
+ ["node100.example.com"], None),
[("node100.example.com", rpc._OFFLINE)])
+ def testSingleOfflineWithAcceptOffline(self):
+ fn = self._GetSingleOfflineNode
+ assert fn("node100.example.com").offline
+ self.assertEqual(rpc._NodeConfigResolver(fn, NotImplemented,
+ ["node100.example.com"],
+ rpc_defs.ACCEPT_OFFLINE_NODE),
+ [("node100.example.com", "192.0.2.100")])
+ for i in [False, True, "", "Hello", 0, 1]:
+ self.assertRaises(AssertionError, rpc._NodeConfigResolver,
+ fn, NotImplemented, ["node100.example.com"], i)
+
def testUnknownSingleNode(self):
self.assertEqual(rpc._NodeConfigResolver(lambda _: None, NotImplemented,
- ["node110.example.com"]),
+ ["node110.example.com"], None),
[("node110.example.com", "node110.example.com")])
def testMultiEmpty(self):
self.assertEqual(rpc._NodeConfigResolver(NotImplemented,
lambda: {},
- []),
+ [], None),
[])
def testMultiSomeOffline(self):
# Resolve no names
self.assertEqual(rpc._NodeConfigResolver(NotImplemented,
lambda: nodes,
- []),
+ [], None),
[])
# Offline, online and unknown hosts
["node3.example.com",
"node92.example.com",
"node54.example.com",
- "unknown.example.com",]), [
+ "unknown.example.com",],
+ None), [
("node3.example.com", rpc._OFFLINE),
("node92.example.com", "192.0.2.92"),
("node54.example.com", rpc._OFFLINE),
])
+class TestCompress(unittest.TestCase):
+ def test(self):
+ for data in ["", "Hello", "Hello World!\nnew\nlines"]:
+ self.assertEqual(rpc._Compress(data),
+ (constants.RPC_ENCODING_NONE, data))
+
+ for data in [512 * " ", 5242 * "Hello World!\n"]:
+ compressed = rpc._Compress(data)
+ self.assertEqual(len(compressed), 2)
+ self.assertEqual(backend._Decompress(compressed), data)
+
+ def testDecompression(self):
+ self.assertRaises(AssertionError, backend._Decompress, "")
+ self.assertRaises(AssertionError, backend._Decompress, [""])
+ self.assertRaises(AssertionError, backend._Decompress,
+ ("unknown compression", "data"))
+ self.assertRaises(Exception, backend._Decompress,
+ (constants.RPC_ENCODING_ZLIB_BASE64, "invalid zlib data"))
+
+
+class TestRpcClientBase(unittest.TestCase):
+ def testNoHosts(self):
+ cdef = ("test_call", NotImplemented, None, constants.RPC_TMO_SLOW, [],
+ None, None, NotImplemented)
+ http_proc = _FakeRequestProcessor(NotImplemented)
+ client = rpc._RpcClientBase(rpc._StaticResolver([]), NotImplemented,
+ _req_process_fn=http_proc)
+ self.assertEqual(client._Call(cdef, [], []), {})
+
+ # Test wrong number of arguments
+ self.assertRaises(errors.ProgrammerError, client._Call,
+ cdef, [], [0, 1, 2])
+
+ def testTimeout(self):
+ def _CalcTimeout((arg1, arg2)):
+ return arg1 + arg2
+
+ def _VerifyRequest(exp_timeout, req):
+ self.assertEqual(req.read_timeout, exp_timeout)
+
+ req.success = True
+ req.resp_status_code = http.HTTP_OK
+ req.resp_body = serializer.DumpJson((True, hex(req.read_timeout)))
+
+ resolver = rpc._StaticResolver([
+ "192.0.2.1",
+ "192.0.2.2",
+ ])
+
+ nodes = [
+ "node1.example.com",
+ "node2.example.com",
+ ]
+
+ tests = [(100, None, 100), (30, None, 30)]
+ tests.extend((_CalcTimeout, i, i + 300)
+ for i in [0, 5, 16485, 30516])
+
+ for timeout, arg1, exp_timeout in tests:
+ cdef = ("test_call", NotImplemented, None, timeout, [
+ ("arg1", None, NotImplemented),
+ ("arg2", None, NotImplemented),
+ ], None, None, NotImplemented)
+
+ http_proc = _FakeRequestProcessor(compat.partial(_VerifyRequest,
+ exp_timeout))
+ client = rpc._RpcClientBase(resolver, NotImplemented,
+ _req_process_fn=http_proc)
+ result = client._Call(cdef, nodes, [arg1, 300])
+ self.assertEqual(len(result), len(nodes))
+ self.assertTrue(compat.all(not res.fail_msg and
+ res.payload == hex(exp_timeout)
+ for res in result.values()))
+
+ def testArgumentEncoder(self):
+ (AT1, AT2) = range(1, 3)
+
+ resolver = rpc._StaticResolver([
+ "192.0.2.5",
+ "192.0.2.6",
+ ])
+
+ nodes = [
+ "node5.example.com",
+ "node6.example.com",
+ ]
+
+ encoders = {
+ AT1: hex,
+ AT2: hash,
+ }
+
+ cdef = ("test_call", NotImplemented, None, constants.RPC_TMO_NORMAL, [
+ ("arg0", None, NotImplemented),
+ ("arg1", AT1, NotImplemented),
+ ("arg1", AT2, NotImplemented),
+ ], None, None, NotImplemented)
+
+ def _VerifyRequest(req):
+ req.success = True
+ req.resp_status_code = http.HTTP_OK
+ req.resp_body = serializer.DumpJson((True, req.post_data))
+
+ http_proc = _FakeRequestProcessor(_VerifyRequest)
+
+ for num in [0, 3796, 9032119]:
+ client = rpc._RpcClientBase(resolver, encoders.get,
+ _req_process_fn=http_proc)
+ result = client._Call(cdef, nodes, ["foo", num, "Hello%s" % num])
+ self.assertEqual(len(result), len(nodes))
+ for res in result.values():
+ self.assertFalse(res.fail_msg)
+ self.assertEqual(serializer.LoadJson(res.payload),
+ ["foo", hex(num), hash("Hello%s" % num)])
+
+ def testPostProc(self):
+ def _VerifyRequest(nums, req):
+ req.success = True
+ req.resp_status_code = http.HTTP_OK
+ req.resp_body = serializer.DumpJson((True, nums))
+
+ resolver = rpc._StaticResolver([
+ "192.0.2.90",
+ "192.0.2.95",
+ ])
+
+ nodes = [
+ "node90.example.com",
+ "node95.example.com",
+ ]
+
+ def _PostProc(res):
+ self.assertFalse(res.fail_msg)
+ res.payload = sum(res.payload)
+ return res
+
+ cdef = ("test_call", NotImplemented, None, constants.RPC_TMO_NORMAL, [],
+ None, _PostProc, NotImplemented)
+
+ # Seeded random generator
+ rnd = random.Random(20299)
+
+ for i in [0, 4, 74, 1391]:
+ nums = [rnd.randint(0, 1000) for _ in range(i)]
+ http_proc = _FakeRequestProcessor(compat.partial(_VerifyRequest, nums))
+ client = rpc._RpcClientBase(resolver, NotImplemented,
+ _req_process_fn=http_proc)
+ result = client._Call(cdef, nodes, [])
+ self.assertEqual(len(result), len(nodes))
+ for res in result.values():
+ self.assertFalse(res.fail_msg)
+ self.assertEqual(res.payload, sum(nums))
+
+ def testPreProc(self):
+ def _VerifyRequest(req):
+ req.success = True
+ req.resp_status_code = http.HTTP_OK
+ req.resp_body = serializer.DumpJson((True, req.post_data))
+
+ resolver = rpc._StaticResolver([
+ "192.0.2.30",
+ "192.0.2.35",
+ ])
+
+ nodes = [
+ "node30.example.com",
+ "node35.example.com",
+ ]
+
+ def _PreProc(node, data):
+ self.assertEqual(len(data), 1)
+ return data[0] + node
+
+ cdef = ("test_call", NotImplemented, None, constants.RPC_TMO_NORMAL, [
+ ("arg0", None, NotImplemented),
+ ], _PreProc, None, NotImplemented)
+
+ http_proc = _FakeRequestProcessor(_VerifyRequest)
+ client = rpc._RpcClientBase(resolver, NotImplemented,
+ _req_process_fn=http_proc)
+
+ for prefix in ["foo", "bar", "baz"]:
+ result = client._Call(cdef, nodes, [prefix])
+ self.assertEqual(len(result), len(nodes))
+ for (idx, (node, res)) in enumerate(result.items()):
+ self.assertFalse(res.fail_msg)
+ self.assertEqual(serializer.LoadJson(res.payload), prefix + node)
+
+ def testResolverOptions(self):
+ def _VerifyRequest(req):
+ req.success = True
+ req.resp_status_code = http.HTTP_OK
+ req.resp_body = serializer.DumpJson((True, req.post_data))
+
+ nodes = [
+ "node30.example.com",
+ "node35.example.com",
+ ]
+
+ def _Resolver(expected, hosts, options):
+ self.assertEqual(hosts, nodes)
+ self.assertEqual(options, expected)
+ return zip(hosts, nodes)
+
+ def _DynamicResolverOptions((arg0, )):
+ return sum(arg0)
+
+ tests = [
+ (None, None, None),
+ (rpc_defs.ACCEPT_OFFLINE_NODE, None, rpc_defs.ACCEPT_OFFLINE_NODE),
+ (False, None, False),
+ (True, None, True),
+ (0, None, 0),
+ (_DynamicResolverOptions, [1, 2, 3], 6),
+ (_DynamicResolverOptions, range(4, 19), 165),
+ ]
+
+ for (resolver_opts, arg0, expected) in tests:
+ cdef = ("test_call", NotImplemented, resolver_opts,
+ constants.RPC_TMO_NORMAL, [
+ ("arg0", None, NotImplemented),
+ ], None, None, NotImplemented)
+
+ http_proc = _FakeRequestProcessor(_VerifyRequest)
+
+ client = rpc._RpcClientBase(compat.partial(_Resolver, expected),
+ NotImplemented, _req_process_fn=http_proc)
+ result = client._Call(cdef, nodes, [arg0])
+ self.assertEqual(len(result), len(nodes))
+ for (idx, (node, res)) in enumerate(result.items()):
+ self.assertFalse(res.fail_msg)
+
+
+class _FakeConfigForRpcRunner:
+ GetAllNodesInfo = NotImplemented
+
+ def __init__(self, cluster=NotImplemented):
+ self._cluster = cluster
+
+ def GetNodeInfo(self, name):
+ return objects.Node(name=name)
+
+ def GetClusterInfo(self):
+ return self._cluster
+
+ def GetInstanceDiskParams(self, _):
+ return constants.DISK_DT_DEFAULTS
+
+
+class TestRpcRunner(unittest.TestCase):
+ def testUploadFile(self):
+ data = 1779 * "Hello World\n"
+
+ tmpfile = tempfile.NamedTemporaryFile()
+ tmpfile.write(data)
+ tmpfile.flush()
+ st = os.stat(tmpfile.name)
+
+ def _VerifyRequest(req):
+ (uldata, ) = serializer.LoadJson(req.post_data)
+ self.assertEqual(len(uldata), 7)
+ self.assertEqual(uldata[0], tmpfile.name)
+ self.assertEqual(list(uldata[1]), list(rpc._Compress(data)))
+ self.assertEqual(uldata[2], st.st_mode)
+ self.assertEqual(uldata[3], "user%s" % os.getuid())
+ self.assertEqual(uldata[4], "group%s" % os.getgid())
+ self.assertTrue(uldata[5] is not None)
+ self.assertEqual(uldata[6], st.st_mtime)
+
+ req.success = True
+ req.resp_status_code = http.HTTP_OK
+ req.resp_body = serializer.DumpJson((True, None))
+
+ http_proc = _FakeRequestProcessor(_VerifyRequest)
+
+ std_runner = rpc.RpcRunner(_FakeConfigForRpcRunner(), None,
+ _req_process_fn=http_proc,
+ _getents=mocks.FakeGetentResolver)
+
+ cfg_runner = rpc.ConfigRunner(None, ["192.0.2.13"],
+ _req_process_fn=http_proc,
+ _getents=mocks.FakeGetentResolver)
+
+ nodes = [
+ "node1.example.com",
+ ]
+
+ for runner in [std_runner, cfg_runner]:
+ result = runner.call_upload_file(nodes, tmpfile.name)
+ self.assertEqual(len(result), len(nodes))
+ for (idx, (node, res)) in enumerate(result.items()):
+ self.assertFalse(res.fail_msg)
+
+ def testEncodeInstance(self):
+ cluster = objects.Cluster(hvparams={
+ constants.HT_KVM: {
+ constants.HV_BLOCKDEV_PREFIX: "foo",
+ },
+ },
+ beparams={
+ constants.PP_DEFAULT: {
+ constants.BE_MAXMEM: 8192,
+ },
+ },
+ os_hvp={},
+ osparams={
+ "linux": {
+ "role": "unknown",
+ },
+ })
+ cluster.UpgradeConfig()
+
+ inst = objects.Instance(name="inst1.example.com",
+ hypervisor=constants.HT_FAKE,
+ os="linux",
+ hvparams={
+ constants.HT_KVM: {
+ constants.HV_BLOCKDEV_PREFIX: "bar",
+ constants.HV_ROOT_PATH: "/tmp",
+ },
+ },
+ beparams={
+ constants.BE_MINMEM: 128,
+ constants.BE_MAXMEM: 256,
+ },
+ nics=[
+ objects.NIC(nicparams={
+ constants.NIC_MODE: "mymode",
+ }),
+ ],
+ disk_template=constants.DT_DISKLESS,
+ disks=[])
+ inst.UpgradeConfig()
+
+ cfg = _FakeConfigForRpcRunner(cluster=cluster)
+ runner = rpc.RpcRunner(cfg, None,
+ _req_process_fn=NotImplemented,
+ _getents=mocks.FakeGetentResolver)
+
+ def _CheckBasics(result):
+ self.assertEqual(result["name"], "inst1.example.com")
+ self.assertEqual(result["os"], "linux")
+ self.assertEqual(result["beparams"][constants.BE_MINMEM], 128)
+ self.assertEqual(len(result["hvparams"]), 1)
+ self.assertEqual(len(result["nics"]), 1)
+ self.assertEqual(result["nics"][0]["nicparams"][constants.NIC_MODE],
+ "mymode")
+
+ # Generic object serialization
+ result = runner._encoder((rpc_defs.ED_OBJECT_DICT, inst))
+ _CheckBasics(result)
+
+ result = runner._encoder((rpc_defs.ED_OBJECT_DICT_LIST, 5 * [inst]))
+ map(_CheckBasics, result)
+
+ # Just an instance
+ result = runner._encoder((rpc_defs.ED_INST_DICT, inst))
+ _CheckBasics(result)
+ self.assertEqual(result["beparams"][constants.BE_MAXMEM], 256)
+ self.assertEqual(result["hvparams"][constants.HT_KVM], {
+ constants.HV_BLOCKDEV_PREFIX: "bar",
+ constants.HV_ROOT_PATH: "/tmp",
+ })
+ self.assertEqual(result["osparams"], {
+ "role": "unknown",
+ })
+
+ # Instance with OS parameters
+ result = runner._encoder((rpc_defs.ED_INST_DICT_OSP_DP, (inst, {
+ "role": "webserver",
+ "other": "field",
+ })))
+ _CheckBasics(result)
+ self.assertEqual(result["beparams"][constants.BE_MAXMEM], 256)
+ self.assertEqual(result["hvparams"][constants.HT_KVM], {
+ constants.HV_BLOCKDEV_PREFIX: "bar",
+ constants.HV_ROOT_PATH: "/tmp",
+ })
+ self.assertEqual(result["osparams"], {
+ "role": "webserver",
+ "other": "field",
+ })
+
+ # Instance with hypervisor and backend parameters
+ result = runner._encoder((rpc_defs.ED_INST_DICT_HVP_BEP, (inst, {
+ constants.HT_KVM: {
+ constants.HV_BOOT_ORDER: "xyz",
+ },
+ }, {
+ constants.BE_VCPUS: 100,
+ constants.BE_MAXMEM: 4096,
+ })))
+ _CheckBasics(result)
+ self.assertEqual(result["beparams"][constants.BE_MAXMEM], 4096)
+ self.assertEqual(result["beparams"][constants.BE_VCPUS], 100)
+ self.assertEqual(result["hvparams"][constants.HT_KVM], {
+ constants.HV_BOOT_ORDER: "xyz",
+ })
+
+
if __name__ == "__main__":
testutils.GanetiTestProgram()