--- /dev/null
+# Unix SMB/CIFS implementation.
+# Copyright (C) Catalyst IT Ltd. 2019
+#
+# 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
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+from samba.tests.samba_tool.base import SambaToolCmdTest
+import os
+import shutil
+
+
+class DrsCloneDcDataLmdbSizeTestCase(SambaToolCmdTest):
+ """Test setting of the lmdb map size during drs clone-dc-data"""
+
+ def setUp(self):
+ super(DrsCloneDcDataLmdbSizeTestCase, self).setUp()
+ self.tempsambadir = os.path.join(self.tempdir, "samba")
+ os.mkdir(self.tempsambadir)
+
+ # clone a domain and set the lmdb map size to size
+ #
+ # returns the tuple (ret, stdout, stderr)
+ def clone(self, size=None):
+ command = (
+ "samba-tool " +
+ "drs clone-dc-database " +
+ os.environ["REALM"] + " " +
+ ("-U%s%%%s " % (os.environ["USERNAME"], os.environ["PASSWORD"])) +
+ ("--targetdir=%s " % self.tempsambadir) +
+ "--backend-store=mdb "
+ )
+ if size:
+ command += ("--backend-store-size=%s" % size)
+
+ return self.run_command(command)
+
+ #
+ # Get the lmdb map size for the specified command
+ #
+ # While there is a python lmdb package available we use the lmdb command
+ # line utilities to avoid introducing a dependancy.
+ #
+ def get_lmdb_environment_size(self, path):
+ (result, out, err) = self.run_command("mdb_stat -ne %s" % path)
+ if result:
+ self.fail("Unable to run mdb_stat\n")
+ for line in out.split("\n"):
+ line = line.strip()
+ if line.startswith("Map size:"):
+ line = line.replace(" ", "")
+ (label, size) = line.split(":")
+ return int(size)
+
+ #
+ # Check the lmdb files created by provision and ensure that the map size
+ # has been set to size.
+ #
+ # Currently this is all the *.ldb files in private/sam.ldb.d
+ #
+ def check_lmdb_environment_sizes(self, size):
+ directory = os.path.join(self.tempsambadir, "private", "sam.ldb.d")
+ for name in os.listdir(directory):
+ if name.endswith(".ldb"):
+ path = os.path.join(directory, name)
+ s = self.get_lmdb_environment_size(path)
+ if s != size:
+ self.fail("File %s, size=%d larger than %d" %
+ (name, s, size))
+
+ #
+ # Ensure that if --backend-store-size is not specified the default of
+ # 8Gb is used
+ def test_default(self):
+ (result, out, err) = self.clone()
+ self.assertEquals(0, result)
+ self.check_lmdb_environment_sizes(8 * 1024 * 1024 * 1024)
+
+ def test_64Mb(self):
+ (result, out, err) = self.clone("64Mb")
+ self.assertEquals(0, result)
+ self.check_lmdb_environment_sizes(64 * 1024 * 1024)
+
+ def test_no_unit_suffix(self):
+ (result, out, err) = self.run_command(
+ 'samba-tool drs clone-dc-database --backend-store-size "2"')
+ self.assertGreater(result, 0)
+ self.assertRegexpMatches(err,
+ r"--backend-store-size invalid suffix ''")
+
+ def test_invalid_unit_suffix(self):
+ (result, out, err) = self.run_command(
+ 'samba-tool drs clone-dc-database --backend-store-size "2 cd"')
+ self.assertGreater(result, 0)
+ self.assertRegexpMatches(err,
+ r"--backend-store-size invalid suffix 'cd'")
+
+ def test_non_numeric(self):
+ (result, out, err) = self.run_command(
+ 'samba-tool drs clone-dc-database --backend-store-size "two Gb"')
+ self.assertGreater(result, 0)
+ self.assertRegexpMatches(
+ err,
+ r"backend-store-size option requires a numeric value, with an"
+ " optional unit suffix")
+
+ def tearDown(self):
+ super(DrsCloneDcDataLmdbSizeTestCase, self).tearDown()
+ shutil.rmtree(self.tempsambadir)
git.samba.org / samba.git / commitdiff