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-rw-r--r--src/resource_inventory/resource_manager.py12
-rw-r--r--src/resource_inventory/tests/test_managers.py54
2 files changed, 64 insertions, 2 deletions
diff --git a/src/resource_inventory/resource_manager.py b/src/resource_inventory/resource_manager.py
index 652e4e3..28bed20 100644
--- a/src/resource_inventory/resource_manager.py
+++ b/src/resource_inventory/resource_manager.py
@@ -6,7 +6,7 @@
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
-
+import re
from dashboard.exceptions import (
ResourceExistenceException,
@@ -172,3 +172,13 @@ class ResourceManager:
self.releaseNetworks(grb, vlan_manager, vlans)
for host in hosts:
self.releaseHost(host)
+
+
+class HostNameValidator(object):
+ regex = r'^[A-Za-z0-9][A-Za-z0-9-]*$'
+ message = "Hostnames can only contain alphanumeric characters and hyphens (-). Hostnames must start with a letter"
+ pattern = re.compile(regex)
+
+ @classmethod
+ def is_valid_hostname(cls, hostname):
+ return len(hostname) < 65 and cls.pattern.fullmatch(hostname) is not None
diff --git a/src/resource_inventory/tests/test_managers.py b/src/resource_inventory/tests/test_managers.py
index 0e7c673..46cee5a 100644
--- a/src/resource_inventory/tests/test_managers.py
+++ b/src/resource_inventory/tests/test_managers.py
@@ -11,7 +11,7 @@ from django.test import TestCase
from django.contrib.auth.models import User
from resource.inventory_manager import InventoryManager
-from resource.resource_manager import ResourceManager
+from resource.resource_manager import ResourceManager, HostNameValidator
from account.models import Lab
from resource.models import (
Host,
@@ -247,3 +247,55 @@ class ResourceManagerTestCase(TestCase):
def test_convert_bundle(self):
ResourceManager.getInstance().convertResoureBundle(self.genericBundle, self.lab.name)
# verify bundle configuration
+
+
+class HostNameValidatorTestCase(TestCase):
+
+ def test_valid_hostnames(self):
+ self.assertTrue(HostNameValidator.is_valid_hostname("localhost"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("Localhost"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("localHost"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("LOCALHOST"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("f"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("abc123doreyme"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("F9999999"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("my-host"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("My-Host"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("MY-HOST"))
+ self.assertTrue(HostNameValidator.is_valid_hostname("a-long-name-for-my-host"))
+
+ def test_invalid_hostnames(self):
+ self.assertFalse(HostNameValidator.is_valid_hostname("-long-name-for-my-host"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("546"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
+
+ def test_invalid_chars(self):
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains!char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains@char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains#char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains$char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains%char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains^char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains&char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains*char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains(char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains)char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains_char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains=char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains+char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains|char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains\\char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains[char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains]char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains;char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains:char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains'char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname('contains"char'))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains'char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains<char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains>char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains,char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains?char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains/char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains`char"))
+ self.assertFalse(HostNameValidator.is_valid_hostname("contains~char"))