Plugins for configuration manager

[ta/cm-plugins.git] / validators / src / HostOSValidation.py

diff --git a/validators/src/HostOSValidation.py b/validators/src/HostOSValidation.py
new file mode 100644 (file)
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+++ b/validators/src/HostOSValidation.py
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+#!/usr/bin/python
+# Copyright 2019 Nokia
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import logging
+import json
+import re
+
+from cmframework.apis import cmvalidator
+from cmdatahandlers.api import validation
+
+
+class HostOSValidation(cmvalidator.CMValidator):
+    domain = 'cloud.host_os'
+    GRUB2_PASSWORD_PATTERN = r"^grub\.pbkdf2\.sha512\.\d+\.[0-9A-F]+\.[0-9A-F]+$"
+
+    def get_subscription_info(self):
+        logging.debug('get_subscription info called')
+        return r'^cloud\.host_os$'
+
+    def validate_set(self, dict_key_value):
+        grub2pass_attr = 'grub2_password'
+        lockout_time_attr = 'lockout_time'
+        failed_login_attempts_attr = 'failed_login_attempts'
+        logging.debug('validate_set called with %s' % str(dict_key_value))
+
+        value_str = dict_key_value.get(self.domain, None)
+        logging.debug('{0} domain value: {1}'.format(self.domain, value_str))
+        if value_str is not None:
+            value_dict = json.loads(value_str)
+
+            if not isinstance(value_dict, dict):
+                raise validation.ValidationError('%s value is not a dict' % self.domain)
+
+            passwd = value_dict.get(grub2pass_attr)
+            if passwd:
+                self.validate_passwd_hash(passwd)
+
+            lockout_t = value_dict.get(lockout_time_attr)
+            if lockout_t:
+                self.validate_lockout_time(lockout_t)
+
+            failed_login_a = value_dict.get(failed_login_attempts_attr)
+            if failed_login_a:
+                self.validate_failed_login_attempts(failed_login_a)
+        else:
+            raise validation.ValidationError('Missing domain: %s' % self.domain)
+
+    def validate_delete(self, dict_key_value):
+        logging.debug('validate_delete called with %s' % str(dict_key_value))
+        raise validation.ValidationError('%s cannot be deleted' % self.domain)
+
+    def validate_passwd_hash(self, passwd_hash):
+        if not re.match(self.GRUB2_PASSWORD_PATTERN, passwd_hash):
+            raise validation.ValidationError('The passwd hash: "%s" is not a valid hash!' % passwd_hash)
+
+    def validate_lockout_time(self, _lockout_time):
+        if not re.match(r"^[0-9]+$", str(_lockout_time)):
+            raise validation.ValidationError('The lockout time: "%s" is not valid!' % _lockout_time)
+
+    def validate_failed_login_attempts(self, _failed_login_attempts):
+        if not re.match(r"^[0-9]+$", str(_failed_login_attempts)):
+            raise validation.ValidationError('The failed login attempts: "%s" is not valid!' % _failed_login_attempts)