Change version of python-ldap to work with new setuptools

setuptools 40.7.0 does not work with python-ldap 2.5.2

Added unit tests to verify the code calling the python-ldap
functions.

Closes-Bug: 1813668
Change-Id: I1e5c0bb7ec603d4d2e03032282e268cb2189775d
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>

sysinv/sysinv/sysinv/sysinv/tests/test_utils.py

@@ -20,6 +20,7 @@ import hashlib
 import os
 import os.path
 import tempfile
+import wsme
 
 import mox
 import netaddr
@@ -28,6 +29,7 @@ from oslo_config import cfg
 from six import StringIO
 from six.moves import builtins
 from sysinv.common import exception
+from sysinv.common import service_parameter
 from sysinv.common import utils
 from sysinv.tests import base
 
@@ -367,3 +369,44 @@ class IntLikeTestCase(base.TestCase):
         self.assertFalse(
             utils.is_int_like("0cc3346e-9fef-4445-abe6-5d2b2690ec64"))
         self.assertFalse(utils.is_int_like("a1"))
+
+
+class LDAPTestCase(base.TestCase):
+
+    def test_ldapurl(self):
+        # Bad Network address is not acceptable as ldap url
+        ldap_url = 'ldap://127'
+        self.assertRaises(wsme.exc.ClientSideError,
+                          service_parameter._validate_ldap_url,
+                          'foo',
+                          ldap_url)
+
+        # loopback is not acceptable as ldap url
+        ldap_url = 'ldap://127.0.0.1'
+        self.assertRaises(wsme.exc.ClientSideError,
+                          service_parameter._validate_ldap_url,
+                          'foo',
+                          ldap_url)
+
+        # localhost is not acceptable as ldap url
+        ldap_url = 'ldap://localhost:1234'
+        self.assertRaises(wsme.exc.ClientSideError,
+                          service_parameter._validate_ldap_url,
+                          'foo',
+                          ldap_url)
+
+        # A valid ldap URL should not raise an exception
+        ldap_url = 'ldap://dns.example.com:389'
+        service_parameter._validate_ldap_url('foo', ldap_url)
+
+    def test_ldap_dn(self):
+        # A poorly formatted ldap DN will raise a ClientSideError
+        ldap_dn = 'this is not a valid ldap dn'
+        self.assertRaises(wsme.exc.ClientSideError,
+                          service_parameter._validate_ldap_dn,
+                          'foo',
+                          ldap_dn)
+
+        # A valid DN will not raise a ClientSideError
+        ldap_dn = 'uid=john.doe,ou=People,dc=example,dc=com'
+        service_parameter._validate_ldap_dn('foo', ldap_dn)

sysinv/sysinv/sysinv/test-requirements.txt

@@ -28,7 +28,7 @@ libvirt-python>=1.2.5
 migrate
 python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
 python-cephclient
-python-ldap>=2.4.22,<3.0.0
+python-ldap>=3.1.0
 markupsafe
 docker
 # Babel>=0.9.6