root / test / ganeti.hooks_unittest.py @ 936f3c59
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007 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 unittesting the hooks module"""
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import unittest |
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import os |
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import time |
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import tempfile |
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import os.path |
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from ganeti import errors |
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from ganeti import opcodes |
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from ganeti import mcpu |
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from ganeti import backend |
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from ganeti import constants |
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from ganeti import cmdlib |
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from ganeti import rpc |
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from ganeti.constants import HKR_SUCCESS, HKR_FAIL, HKR_SKIP |
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from mocks import FakeConfig, FakeProc, FakeContext |
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class FakeLU(cmdlib.LogicalUnit): |
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HPATH = "test"
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def BuildHooksEnv(self): |
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return {}, ["localhost"], ["localhost"] |
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class TestHooksRunner(unittest.TestCase): |
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"""Testing case for HooksRunner"""
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def setUp(self): |
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self.torm = []
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self.tmpdir = tempfile.mkdtemp()
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self.torm.append((self.tmpdir, True)) |
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self.logdir = tempfile.mkdtemp()
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self.torm.append((self.logdir, True)) |
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self.hpath = "fake" |
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self.ph_dirs = {}
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for i in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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dname = "%s/%s-%s.d" % (self.tmpdir, self.hpath, i) |
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os.mkdir(dname) |
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self.torm.append((dname, True)) |
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self.ph_dirs[i] = dname
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self.hr = backend.HooksRunner(hooks_base_dir=self.tmpdir) |
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def tearDown(self): |
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self.torm.reverse()
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for path, kind in self.torm: |
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if kind:
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os.rmdir(path) |
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else:
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os.unlink(path) |
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def _rname(self, fname): |
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return "/".join(fname.split("/")[-2:]) |
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def testEmpty(self): |
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"""Test no hooks"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), []) |
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def testSkipNonExec(self): |
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"""Test skip non-exec file"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fname = "%s/test" % self.ph_dirs[phase] |
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f = open(fname, "w") |
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f.close() |
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self.torm.append((fname, False)) |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), |
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[(self._rname(fname), HKR_SKIP, "")]) |
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def testSkipInvalidName(self): |
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"""Test skip script with invalid name"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fname = "%s/a.off" % self.ph_dirs[phase] |
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f = open(fname, "w") |
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f.write("#!/bin/sh\nexit 0\n")
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f.close() |
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os.chmod(fname, 0700)
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self.torm.append((fname, False)) |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), |
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[(self._rname(fname), HKR_SKIP, "")]) |
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def testSkipDir(self): |
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"""Test skip directory"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fname = "%s/testdir" % self.ph_dirs[phase] |
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os.mkdir(fname) |
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self.torm.append((fname, True)) |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), |
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[(self._rname(fname), HKR_SKIP, "")]) |
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def testSuccess(self): |
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"""Test success execution"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fname = "%s/success" % self.ph_dirs[phase] |
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f = open(fname, "w") |
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f.write("#!/bin/sh\nexit 0\n")
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f.close() |
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self.torm.append((fname, False)) |
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os.chmod(fname, 0700)
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), |
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[(self._rname(fname), HKR_SUCCESS, "")]) |
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def testSymlink(self): |
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"""Test running a symlink"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fname = "%s/success" % self.ph_dirs[phase] |
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os.symlink("/bin/true", fname)
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self.torm.append((fname, False)) |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), |
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[(self._rname(fname), HKR_SUCCESS, "")]) |
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def testFail(self): |
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"""Test success execution"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fname = "%s/success" % self.ph_dirs[phase] |
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f = open(fname, "w") |
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f.write("#!/bin/sh\nexit 1\n")
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f.close() |
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self.torm.append((fname, False)) |
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os.chmod(fname, 0700)
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), |
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[(self._rname(fname), HKR_FAIL, "")]) |
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def testCombined(self): |
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"""Test success, failure and skip all in one test"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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expect = [] |
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for fbase, ecode, rs in [("00succ", 0, HKR_SUCCESS), |
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("10fail", 1, HKR_FAIL), |
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("20inv.", 0, HKR_SKIP), |
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]: |
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fname = "%s/%s" % (self.ph_dirs[phase], fbase) |
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f = open(fname, "w") |
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f.write("#!/bin/sh\nexit %d\n" % ecode)
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f.close() |
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self.torm.append((fname, False)) |
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os.chmod(fname, 0700)
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expect.append((self._rname(fname), rs, "")) |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), expect) |
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def testOrdering(self): |
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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expect = [] |
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for fbase in ["10s1", |
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"00s0",
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"10sa",
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"80sc",
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"60sd",
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]: |
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fname = "%s/%s" % (self.ph_dirs[phase], fbase) |
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os.symlink("/bin/true", fname)
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self.torm.append((fname, False)) |
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expect.append((self._rname(fname), HKR_SUCCESS, "")) |
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expect.sort() |
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, {}), expect) |
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def testEnv(self): |
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"""Test environment execution"""
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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fbase = "success"
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fname = "%s/%s" % (self.ph_dirs[phase], fbase) |
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os.symlink("/usr/bin/env", fname)
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self.torm.append((fname, False)) |
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env_snt = {"PHASE": phase}
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env_exp = "PHASE=%s" % phase
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self.failUnlessEqual(self.hr.RunHooks(self.hpath, phase, env_snt), |
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[(self._rname(fname), HKR_SUCCESS, env_exp)])
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class TestHooksMaster(unittest.TestCase): |
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"""Testing case for HooksMaster"""
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def _call_false(*args): |
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"""Fake call_hooks_runner function which returns False."""
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return False |
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@staticmethod
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def _call_nodes_false(node_list, hpath, phase, env): |
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"""Fake call_hooks_runner function.
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@rtype: dict of node -> L{rpc.RpcResult} with an rpc error
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@return: rpc failure from all nodes
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"""
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return dict([(node, rpc.RpcResult('error', failed=True, |
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node=node, call='FakeError')) for node in node_list]) |
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@staticmethod
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def _call_script_fail(node_list, hpath, phase, env): |
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"""Fake call_hooks_runner function.
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@rtype: dict of node -> L{rpc.RpcResult} with a failed script result
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@return: script execution failure from all nodes
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"""
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rr = rpc.RpcResult |
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return dict([(node, rr((True, [("utest", constants.HKR_FAIL, "err")]), |
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node=node, call='FakeScriptFail'))
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for node in node_list]) |
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@staticmethod
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def _call_script_succeed(node_list, hpath, phase, env): |
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"""Fake call_hooks_runner function.
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@rtype: dict of node -> L{rpc.RpcResult} with a successful script result
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@return: script execution from all nodes
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"""
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rr = rpc.RpcResult |
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return dict([(node, rr(True, [("utest", constants.HKR_SUCCESS, "ok")], |
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node=node, call='FakeScriptOk'))
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for node in node_list]) |
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def setUp(self): |
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self.op = opcodes.OpCode()
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self.context = FakeContext()
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# WARNING: here we pass None as RpcRunner instance since we know
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# our usage via HooksMaster will not use lu.rpc
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self.lu = FakeLU(FakeProc(), self.op, self.context, None) |
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def testTotalFalse(self): |
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"""Test complete rpc failure"""
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hm = mcpu.HooksMaster(self._call_false, self.lu) |
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self.failUnlessRaises(errors.HooksFailure,
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hm.RunPhase, constants.HOOKS_PHASE_PRE) |
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hm.RunPhase(constants.HOOKS_PHASE_POST) |
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def testIndividualFalse(self): |
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"""Test individual node failure"""
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hm = mcpu.HooksMaster(self._call_nodes_false, self.lu) |
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hm.RunPhase(constants.HOOKS_PHASE_PRE) |
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#self.failUnlessRaises(errors.HooksFailure,
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# hm.RunPhase, constants.HOOKS_PHASE_PRE)
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hm.RunPhase(constants.HOOKS_PHASE_POST) |
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def testScriptFalse(self): |
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"""Test individual rpc failure"""
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hm = mcpu.HooksMaster(self._call_script_fail, self.lu) |
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self.failUnlessRaises(errors.HooksAbort,
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hm.RunPhase, constants.HOOKS_PHASE_PRE) |
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hm.RunPhase(constants.HOOKS_PHASE_POST) |
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def testScriptSucceed(self): |
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"""Test individual rpc failure"""
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hm = mcpu.HooksMaster(self._call_script_succeed, self.lu) |
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for phase in (constants.HOOKS_PHASE_PRE, constants.HOOKS_PHASE_POST): |
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hm.RunPhase(phase) |
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if __name__ == '__main__': |
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unittest.main() |