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authorMatthewLi <matthew.lijun@huawei.com>2016-04-01 03:01:48 -0400
committerMatthewLi <matthew.lijun@huawei.com>2016-04-01 03:01:48 -0400
commite19b43e13e05567ea53ceacf953211c8fd9c151b (patch)
treeb2c2322a39a8387bfd4c6d5d77e39a798e84e605 /utils/infra_setup/heat/common.py
parentd68fdff6708cd15a4c79d6bb2f61832191f0a248 (diff)
heat api management and template functions parameters
JIRA: BOTTLENECK-58 Change-Id: I496ef9147f9cf58328331264e7a8917581588e8c Signed-off-by: MatthewLi <matthew.lijun@huawei.com>
Diffstat (limited to 'utils/infra_setup/heat/common.py')
-rwxr-xr-xutils/infra_setup/heat/common.py376
1 files changed, 376 insertions, 0 deletions
diff --git a/utils/infra_setup/heat/common.py b/utils/infra_setup/heat/common.py
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+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+import os
+import re
+import ConfigParser
+import logging
+import fileinput
+
+import consts.files as files
+import consts.parameters as parameters
+
+# ------------------------------------------------------
+# List of common variables
+# ------------------------------------------------------
+
+LOG = None
+CONF_FILE = None
+DEPLOYMENT_UNIT = None
+ITERATIONS = None
+
+BASE_DIR = None
+TEMPLATE_DIR = None
+TEMPLATE_NAME = None
+TEMPLATE_EXTENSION = None
+
+# ------------------------------------------------------
+# Initialization and Input 'heat_templates/'validation
+# ------------------------------------------------------
+
+def init(api=False):
+ global BASE_DIR
+ # BASE_DIR = os.getcwd()
+ BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+ BASE_DIR = BASE_DIR.replace('/heat', '')
+ BASE_DIR = InputValidation.validate_directory_exist_and_format(
+ BASE_DIR, "Error 000001")
+
+ conf_file_init(api)
+ log_init()
+ general_vars_init(api)
+
+def conf_file_init(api=False):
+ global CONF_FILE
+ if api:
+ CONF_FILE = ConfigurationFile(files.get_sections_api(),
+ '/tmp/bottlenecks.conf')
+ else:
+ CONF_FILE = ConfigurationFile(cf.get_sections(),
+ '/tmp/bottlenecks.conf')
+
+
+def general_vars_init(api=False):
+ global TEMPLATE_EXTENSION
+ global TEMPLATE_NAME
+ global TEMPLATE_DIR
+ global ITERATIONS
+
+ TEMPLATE_EXTENSION = '.yaml'
+
+ # Check Section in Configuration File
+ InputValidation.validate_configuration_file_section(
+ files.GENERAL,
+ "Section " + files.GENERAL +
+ "is not present in configuration file")
+
+ InputValidation.validate_configuration_file_section(
+ files.OPENSTACK,
+ "Section " + files.OPENSTACK +
+ "is not present in configuration file")
+
+ TEMPLATE_DIR = '/tmp/heat_templates/'
+
+ if not api:
+ # Validate template name
+ InputValidation.validate_configuration_file_parameter(
+ files.GENERAL,
+ files.TEMPLATE_NAME,
+ "Parameter " + files.TEMPLATE_NAME +
+ "is not present in configuration file")
+ TEMPLATE_NAME = CONF_FILE.get_variable(files.GENERAL,
+ files.TEMPLATE_NAME)
+ InputValidation.validate_file_exist(
+ TEMPLATE_DIR + TEMPLATE_NAME,
+ "The provided template file does not exist")
+
+ # Validate and assign Iterations
+ if files.ITERATIONS in CONF_FILE.get_variable_list(files.GENERAL):
+ ITERATIONS = int(CONF_FILE.get_variable(files.GENERAL,
+ files.ITERATIONS))
+ else:
+ ITERATIONS = 1
+
+
+def log_init():
+ global LOG
+ LOG = logging.getLogger()
+ LOG.setLevel(level=logging.DEBUG)
+ log_formatter = logging.Formatter("%(asctime)s --- %(message)s")
+ file_handler = logging.FileHandler("{0}/{1}.log".format("./", "benchmark"))
+ file_handler.setFormatter(log_formatter)
+ file_handler.setLevel(logging.DEBUG)
+ LOG.addHandler(file_handler)
+
+# ------------------------------------------------------
+# Configuration file access
+# ------------------------------------------------------
+
+class ConfigurationFile:
+ """
+ Used to extract data from the configuration file
+ """
+
+ def __init__(self, sections, config_file='conf.cfg'):
+ """
+ Reads configuration file sections
+
+ :param sections: list of strings representing the sections to be
+ loaded
+ :param config_file: name of the configuration file (string)
+ :return: None
+ """
+ InputValidation.validate_string(
+ config_file, "The configuration file name must be a string")
+ InputValidation.validate_file_exist(
+ config_file, 'The provided configuration file does not exist')
+ self.config = ConfigParser.ConfigParser()
+ self.config.read(config_file)
+ for section in sections:
+ setattr(
+ self, section, ConfigurationFile.
+ _config_section_map(section, self.config))
+
+ @staticmethod
+ def _config_section_map(section, config_file):
+ """
+ Returns a dictionary with the configuration values for the specific
+ section
+
+ :param section: section to be loaded (string)
+ :param config_file: name of the configuration file (string)
+ :return: dict
+ """
+ dict1 = dict()
+ options = config_file.options(section)
+ for option in options:
+ dict1[option] = config_file.get(section, option)
+ return dict1
+
+ def get_variable(self, section, variable_name):
+ """
+ Returns the value correspondent to a variable
+
+ :param section: section to be loaded (string)
+ :param variable_name: name of the variable (string)
+ :return: string
+ """
+ message = "The variable name must be a string"
+ InputValidation.validate_string(variable_name, message)
+ if variable_name in self.get_variable_list(section):
+ sect = getattr(self, section)
+ return sect[variable_name]
+ else:
+ exc_msg = 'Parameter {} is not in the {} section of the ' \
+ 'conf file'.format(variable_name, section)
+ raise ValueError(exc_msg)
+
+ def get_variable_list(self, section):
+ """
+ Returns the list of the available variables in a section
+ :param section: section to be loaded (string)
+ :return: list
+ """
+ try:
+ return getattr(self, section)
+ except:
+ msg = 'Section {} not found in the configuration file'.\
+ format(section)
+ raise ValueError(msg)
+
+# ------------------------------------------------------
+# Manage files
+# ------------------------------------------------------
+
+def get_heat_template_params():
+ """
+ Returns the list of deployment parameters from the configuration file
+ for the heat template
+
+ :return: dict
+ """
+ heat_parameters_list = CONF_FILE.get_variable_list(
+ files.DEPLOYMENT_PARAMETERS)
+ testcase_parameters = dict()
+ for param in heat_parameters_list:
+ testcase_parameters[param] = CONF_FILE.get_variable(
+ files.DEPLOYMENT_PARAMETERS, param)
+ return testcase_parameters
+
+def get_testcase_params():
+ """
+ Returns the list of testcase parameters from the configuration file
+
+ :return: dict
+ """
+ testcase_parameters = dict()
+ parameters = CONF_FILE.get_variable_list(files.TESTCASE_PARAMETERS)
+ for param in parameters:
+ testcase_parameters[param] = CONF_FILE.get_variable(
+ files.TESTCASE_PARAMETERS, param)
+ return testcase_parameters
+
+def get_file_first_line(file_name):
+ """
+ Returns the first line of a file
+
+ :param file_name: name of the file to be read (str)
+ :return: str
+ """
+ message = "name of the file must be a string"
+ InputValidation.validate_string(file_name, message)
+ message = 'file {} does not exist'.format(file_name)
+ InputValidation.validate_file_exist(file_name, message)
+ res = open(file_name, 'r')
+ return res.readline()
+
+
+def replace_in_file(file, text_to_search, text_to_replace):
+ """
+ Replaces a string within a file
+
+ :param file: name of the file (str)
+ :param text_to_search: text to be replaced
+ :param text_to_replace: new text that will replace the previous
+ :return: None
+ """
+ message = 'text to be replaced in the file must be a string'
+ InputValidation.validate_string(text_to_search, message)
+ message = 'text to replace in the file must be a string'
+ InputValidation.validate_string(text_to_replace, message)
+ message = "name of the file must be a string"
+ InputValidation.validate_string(file, message)
+ message = "The file does not exist"
+ InputValidation.validate_file_exist(file, message)
+ for line in fileinput.input(file, inplace=True):
+ print(line.replace(text_to_search, text_to_replace).rstrip())
+
+# ------------------------------------------------------
+# Shell interaction
+# ------------------------------------------------------
+def run_command(command):
+ LOG.info("Running command: {}".format(command))
+ return os.system(command)
+
+# ------------------------------------------------------
+# Expose variables to other modules
+# ------------------------------------------------------
+
+def get_base_dir():
+ return BASE_DIR
+
+def get_template_dir():
+ return TEMPLATE_DIR
+
+# ------------------------------------------------------
+# Configuration Variables from Config File
+# ------------------------------------------------------
+def get_deployment_configuration_variables_from_conf_file():
+ variables = dict()
+ types = dict()
+ all_variables = CONF_FILE.get_variable_list(files.EXPERIMENT_VNF)
+ for var in all_variables:
+ v = CONF_FILE.get_variable(files.EXPERIMENT_VNF, var)
+ type = re.findall(r'@\w*', v)
+ values = re.findall(r'\"(.+?)\"', v)
+ variables[var] = values
+ try:
+ types[var] = type[0][1:]
+ except IndexError:
+ LOG.debug("No type has been specified for variable " + var)
+ return variables
+
+# ------------------------------------------------------
+# benchmarks from Config File
+# ------------------------------------------------------
+def get_benchmarks_from_conf_file():
+ requested_benchmarks = list()
+ benchmarks = CONF_FILE.get_variable(files.GENERAL, files.BENCHMARKS).split(', ')
+ for benchmark in benchmarks:
+ requested_benchmarks.append(benchmark)
+ return requested_benchmarks
+
+class InputValidation(object):
+
+ @staticmethod
+ def validate_string(param, message):
+ if not isinstance(param, str):
+ raise ValueError(message)
+ return True
+
+ @staticmethod
+ def validate_integer(param, message):
+ if not isinstance(param, int):
+ raise ValueError(message)
+ return True
+
+ @staticmethod
+ def validate_dictionary(param, message):
+ if not isinstance(param, dict):
+ raise ValueError(message)
+ return True
+
+ @staticmethod
+ def validate_file_exist(file_name, message):
+ if not os.path.isfile(file_name):
+ raise ValueError(message + ' ' + file_name)
+ return True
+
+ @staticmethod
+ def validate_directory_exist_and_format(directory, message):
+ if not os.path.isdir(directory):
+ raise ValueError(message)
+ if not directory.endswith('/'):
+ return directory + '/'
+ return directory
+
+ @staticmethod
+ def validate_configuration_file_parameter(section, parameter, message):
+ params = CONF_FILE.get_variable_list(section)
+ if parameter not in params:
+ raise ValueError(message)
+ return True
+
+ @staticmethod
+ def validate_configuration_file_section(section, message):
+ if section not in files.get_sections():
+ raise ValueError(message)
+ return True
+
+ @staticmethod
+ def validate_boolean(boolean, message):
+ if isinstance(boolean, bool):
+ return boolean
+ if isinstance(boolean, str):
+ if boolean == 'True':
+ return True
+ if boolean == 'False':
+ return False
+ raise ValueError(message)
+
+ @staticmethod
+ def validate_os_credentials(credentials):
+ if not isinstance(credentials, dict):
+ raise ValueError(
+ 'The provided openstack_credentials '
+ 'variable must be in dictionary format')
+
+ credential_keys = ['user', 'password', 'ip_controller', 'heat_url',
+ 'auth_uri', 'project']
+ missing = [
+ credential_key
+ for credential_key in credential_keys
+ if credential_key not in credentials.keys()
+ ]
+ if len(missing) == 0:
+ return True
+ msg = 'OpenStack Credentials Error! ' \
+ 'The following parameters are missing: {}'.\
+ format(", ".join(missing))
+ raise ValueError(msg)