# ============LICENSE_START====================================================
# org.onap.vvp/validation-scripts
# ===================================================================
-# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+# Copyright © 2019 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
#
# ============LICENSE_END============================================
#
-# ECOMP is a trademark and service mark of AT&T Intellectual Property.
#
"""Helpers
"""
+import os
+import re
+from collections import defaultdict
+
from boltons import funcutils
-import yaml
+from tests import cached_yaml as yaml
-VERSION = '1.1.0'
+VERSION = "1.1.0"
def check_basename_ending(template_type, basename):
- '''
+ """
return True/False if the template type is matching
the filename
- '''
+ """
if not template_type:
return True
- elif template_type == 'volume':
- return basename.endswith('_volume')
+ elif template_type == "volume":
+ return basename.endswith("_volume")
else:
- return not basename.endswith('_volume')
+ return not basename.endswith("_volume")
def get_parsed_yml_for_yaml_files(yaml_files, sections=None):
- '''
+ """
get the parsed yaml for a list of yaml files
- '''
+ """
sections = [] if sections is None else sections
parsed_yml_list = []
for yaml_file in yaml_files:
yml = yaml.load(fh)
except yaml.YAMLError as e:
# pylint: disable=superfluous-parens
- print('Error in %s: %s' % (yaml_file, e))
+ print("Error in %s: %s" % (yaml_file, e))
continue
if yml:
if sections:
@funcutils.wraps(func)
def wrapper(*args, **kw):
return func(*args, **kw)
+
wrapper.requirement_ids = requirement_ids
return wrapper
+
decorator.requirement_ids = requirement_ids
return decorator
+
+
+def categories(*categories):
+ def decorator(func):
+ @funcutils.wraps(func)
+ def wrapper(*args, **kw):
+ return func(*args, **kw)
+
+ wrapper.categories = categories
+ return wrapper
+
+ decorator.categories = categories
+ return decorator
+
+
+def get_environment_pair(heat_template):
+ """Returns a yaml/env pair given a yaml file"""
+ base_dir, filename = os.path.split(heat_template)
+ basename = os.path.splitext(filename)[0]
+ env_template = os.path.join(base_dir, "{}.env".format(basename))
+ if os.path.exists(env_template):
+ with open(heat_template, "r") as fh:
+ yyml = yaml.load(fh)
+ with open(env_template, "r") as fh:
+ eyml = yaml.load(fh)
+
+ environment_pair = {"name": basename, "yyml": yyml, "eyml": eyml}
+ return environment_pair
+
+ return None
+
+
+def find_environment_file(yaml_files):
+ """
+ Pass file and recursively step backwards until environment file is found
+
+ :param yaml_files: list or string, start at size 1 and grows recursively
+ :return: corresponding environment file for a file, or None
+ """
+ # sanitize
+ if isinstance(yaml_files, str):
+ yaml_files = [yaml_files]
+
+ yaml_file = yaml_files[-1]
+ filepath, filename = os.path.split(yaml_file)
+
+ environment_pair = get_environment_pair(yaml_file)
+ if environment_pair:
+ return environment_pair
+
+ for file in os.listdir(filepath):
+ fq_name = "{}/{}".format(filepath, file)
+ if fq_name.endswith("yaml") or fq_name.endswith("yml"):
+ if fq_name not in yaml_files:
+ with open(fq_name) as f:
+ yml = yaml.load(f)
+ resources = yml.get("resources", {})
+ for resource_id, resource in resources.items():
+ resource_type = resource.get("type", "")
+ if resource_type == "OS::Heat::ResourceGroup":
+ resource_type = (
+ resource.get("properties", {})
+ .get("resource_def", {})
+ .get("type", "")
+ )
+ # found called nested file
+ if resource_type == filename:
+ yaml_files.append(fq_name)
+ environment_pair = find_environment_file(yaml_files)
+
+ return environment_pair
+
+
+def load_yaml(yaml_file):
+ """
+ Load the YAML file at the given path. If the file has previously been
+ loaded, then a cached version will be returned.
+
+ :param yaml_file: path to the YAML file
+ :return: data structure loaded from the YAML file
+ """
+ with open(yaml_file) as fh:
+ return yaml.load(fh)
+
+
+def traverse(data, search_key, func, path=None):
+ """
+ Traverse the data structure provided via ``data`` looking for occurences
+ of ``search_key``. When ``search_key`` is found, the value associated
+ with that key is passed to ``func``
+
+ :param data: arbitrary data structure of dicts and lists
+ :param search_key: key field to search for
+ :param func: Callable object that takes two parameters:
+ * A list representing the path of keys to search_key
+ * The value associated with the search_key
+ """
+ path = [] if path is None else path
+ if isinstance(data, dict):
+ for key, value in data.items():
+ curr_path = path + [key]
+ if key == search_key:
+ func(curr_path, value)
+ traverse(value, search_key, func, curr_path)
+ elif isinstance(data, list):
+ for value in data:
+ curr_path = path + [value]
+ if isinstance(value, dict):
+ traverse(value, search_key, func, curr_path)
+ elif value == search_key:
+ func(curr_path, value)
+
+
+def check_indices(pattern, values, value_type):
+ """
+ Checks that indices associated with the matched prefix start at 0 and
+ increment by 1. It returns a list of messages for any prefixes that
+ violate the rules.
+
+ :param pattern: Compiled regex that whose first group matches the prefix and
+ second group matches the index
+ :param values: sequence of string names that may or may not match the pattern
+ :param name: Type of value being checked (ex: IP Parameters). This will
+ be included in the error messages.
+ :return: List of error messages, empty list if no violations found
+ """
+ if not hasattr(pattern, "match"):
+ raise RuntimeError("Pattern must be a compiled regex")
+
+ prefix_indices = defaultdict(set)
+ for value in values:
+ m = pattern.match(value)
+ if m:
+ prefix_indices[m.group(1)].add(int(m.group(2)))
+
+ invalid_params = []
+ for prefix, indices in prefix_indices.items():
+ indices = sorted(indices)
+ if indices[0] != 0:
+ invalid_params.append(
+ "{} with prefix {} do not start at 0".format(value_type, prefix)
+ )
+ elif len(indices) - 1 != indices[-1]:
+ invalid_params.append(
+ (
+ "Index values of {} with prefix {} do not " + "increment by 1: {}"
+ ).format(value_type, prefix, indices)
+ )
+ return invalid_params
+
+
+RE_BASE = re.compile(r"(^base$)|(^base_)|(_base_)|(_base$)")
+
+
+def get_base_template_from_yaml_files(yaml_files):
+ """Return first filepath to match RE_BASE
+ """
+ for filepath in yaml_files:
+ basename = get_base_template_from_yaml_file(filepath)
+ if basename:
+ return basename
+ return None
+
+
+def get_base_template_from_yaml_file(yaml_file):
+ (dirname, filename) = os.path.split(yaml_file)
+ files = os.listdir(dirname)
+ for file in files:
+ basename, __ = os.path.splitext(os.path.basename(file))
+ if (
+ (__ == ".yaml" or __ == ".yml")
+ and RE_BASE.search(basename)
+ and basename.find("volume") == -1
+ ):
+ return os.path.join(dirname, "{}{}".format(basename, __))
+ return None