bd9e853604
Return current hugepage usage and kernel cmdline for static hugepage allocation Change-Id: Ib34b2d7c3da5aacd117b19249be41bb95b91dfcd Closes-Bug: #1734360
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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import os
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import shutil
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from tempfile import mkdtemp
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from test_utils import CharmTestCase
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import hugepagereport as actions
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tmpdir = 'hugepagestats-test.'
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test_stats = {'free_hugepages': '224',
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'nr_hugepages': '12'}
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class MainTestCase(CharmTestCase):
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def setUp(self):
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self.sysfs = sysfs = mkdtemp(prefix=tmpdir)
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self.addCleanup(shutil.rmtree, sysfs)
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p = mock.patch('hugepagereport.SYSFS', new=sysfs)
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p.start()
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self.addCleanup(p.stop)
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hpath = "{}/devices/system/node/node0/hugepages/hugepages-1048576kB"
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self.hugepagestats = hpath.format(sysfs)
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os.makedirs(self.hugepagestats)
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for fn, val in test_stats.items():
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with open(os.path.join(self.hugepagestats, fn), 'w') as f:
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f.write(val)
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@mock.patch('charmhelpers.core.hookenv.action_get')
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@mock.patch('charmhelpers.core.hookenv.action_set')
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def test_hugepagesreport(self, mock_action_set, mock_action_get):
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dummy_action = []
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mock_action_set.side_effect = dummy_action.append
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actions.hugepages_report()
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self.assertEqual(len(dummy_action), 1)
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d = dummy_action[0]
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self.assertIsInstance(d, dict)
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self.assert_('hugepagestats' in d)
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self.assert_(
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d['hugepagestats'].find('/free_hugepages') != -1)
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