Ground work for hpa validation
Added the declarative schema for hpa validation. This is the ground
layering work for hpa validation.
Change-Id: I2ff30489e191ecf187711e1025f6e3faee9946c3
Issue-ID: VNFSDK-194
Signed-off-by: Lianhao Lu <lianhao.lu@intel.com>
diff --git a/vnfsdk_pkgtools/validator/utils.py b/vnfsdk_pkgtools/validator/utils.py
new file mode 100644
index 0000000..b26a290
--- /dev/null
+++ b/vnfsdk_pkgtools/validator/utils.py
@@ -0,0 +1,49 @@
+# Copyright (c) 2018 Intel Corp Inc. All rights reserved.
+#
+# 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 os
+
+from ruamel import yaml
+
+LOG = logging.getLogger(__name__)
+
+
+def load_definitions(config_file, defaults=None):
+ if not os.path.exists(config_file):
+ LOG.info("No definitions configuration file %s found! "
+ "Using default config.", config_file)
+ definition_cfg = defaults
+ else:
+ LOG.debug("Loading definitions configuration file: %s", config_file)
+ with open(config_file) as cf:
+ config = cf.read()
+ try:
+ definition_cfg = yaml.safe_load(config)
+ except yaml.YAMLError as err:
+ if hasattr(err, 'problem_mark'):
+ mark = err.problem_mark
+ errmsg = ("Invalid YAML syntax in Definitions file %(file)s "
+ "at line: %(line)s, column: %(column)s." %
+ dict(file=config_file,
+ line=mark.line + 1,
+ column=mark.column + 1))
+ else:
+ errmsg = ("YAML error reading Definitions file %s" % config_file)
+ LOG.error(errmsg)
+ raise
+
+ LOG.debug("Definitions: %s", definition_cfg)
+ return definition_cfg