diff options
Diffstat (limited to 'config/utils/generate_config.py')
| -rwxr-xr-x | config/utils/generate_config.py | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/config/utils/generate_config.py b/config/utils/generate_config.py index dfc6e6c4..93e839bd 100755 --- a/config/utils/generate_config.py +++ b/config/utils/generate_config.py @@ -1,84 +1,84 @@ #!/usr/bin/python ############################################################################## -# Copyright (c) 2017 OPNFV and others. +# Copyright (c) 2018 OPNFV 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 ############################################################################## -"""This module does blah blah.""" +"""Generate configuration from PDF/IDF and jinja2 installer template""" + import argparse -import ipaddress import logging -import os +from os.path import abspath, exists, isfile, split +from subprocess import CalledProcessError, check_output +import gen_config_lib import yaml from jinja2 import Environment, FileSystemLoader -from subprocess import CalledProcessError, check_output + + +LOADER = yaml.CSafeLoader if yaml.__with_libyaml__ else yaml.SafeLoader PARSER = argparse.ArgumentParser() PARSER.add_argument("--yaml", "-y", type=str, required=True) -PARSER.add_argument("--jinja2", "-j", type=str, required=True) +PARSER.add_argument("--jinja2", "-j", type=str, required=True, action='append') +PARSER.add_argument("--includesdir", "-i", action='append', default=['/']) +PARSER.add_argument("--batch", "-b", action='store_true') +PARSER.add_argument("--verbose", "-v", action='count') ARGS = PARSER.parse_args() -# Processor architecture vs DPKG architecture mapping -DPKG_ARCH_TABLE = { - 'aarch64': 'arm64', - 'x86_64': 'amd64', -} -ARCH_DPKG_TABLE = dict(zip(DPKG_ARCH_TABLE.values(), DPKG_ARCH_TABLE.keys())) +ARGS.jinja2 = [abspath(x) for x in ARGS.jinja2] -# Custom filter to allow simple IP address operations returning -# a new address from an upper or lower (negative) index -def ipaddr_index(base_address, index): - """Return IP address in given network at given index""" - try: - base_address_str = unicode(base_address) - #pylint: disable=unused-variable - except NameError as ex: - base_address_str = str(base_address) - return ipaddress.ip_address(base_address_str) + int(index) +logging.basicConfig() +LOGGER = logging.getLogger('generate_config') +if ARGS.verbose: + LOGGER.setLevel(logging.INFO) -# Custom filter to convert between processor architecture -# (as reported by $(uname -m)) and DPKG-style architecture -def dpkg_arch(arch, to_dpkg=True): - """Return DPKG-compatible from processor arch and vice-versa""" - if to_dpkg: - return DPKG_ARCH_TABLE[arch] - else: - return ARCH_DPKG_TABLE[arch] - -ENV = Environment(loader=FileSystemLoader(os.path.dirname(ARGS.jinja2))) -ENV.filters['ipaddr_index'] = ipaddr_index -ENV.filters['dpkg_arch'] = dpkg_arch +ENV = Environment( + loader=FileSystemLoader(ARGS.includesdir), + extensions=['jinja2.ext.do'] +) +gen_config_lib.load_custom_filters(ENV) -# Run `eyaml decrypt` on the whole file, in case any PDF data is encrypted +# Run `eyaml decrypt` on the whole file, but only if PDF data is encrypted # Note: eyaml return code is 0 even if keys are not available try: - DICT = yaml.safe_load(check_output(['eyaml', 'decrypt', '-f', ARGS.yaml])) + if isfile(ARGS.yaml) and 'ENC[PKCS7' in open(ARGS.yaml).read(): + DICT = yaml.load(check_output(['eyaml', 'decrypt', + '-f', ARGS.yaml]), Loader=LOADER) except CalledProcessError as ex: - logging.error('eyaml decryption failed!') + LOGGER.error('eyaml decryption failed! Fallback to raw data.') except OSError as ex: - logging.warn('eyaml not found, skipping decryption') + LOGGER.warn('eyaml not found, skipping decryption. Fallback to raw data.') try: DICT['details'] except (NameError, TypeError) as ex: - logging.warn('PDF decryption skipped, fallback to using raw data.') with open(ARGS.yaml) as _: - DICT = yaml.safe_load(_) + DICT = yaml.load(_.read().replace('/', '__slash__'), Loader=LOADER) # If an installer descriptor file (IDF) exists, include it (temporary) -IDF_PATH = '/idf-'.join(os.path.split(ARGS.yaml)) -if os.path.exists(IDF_PATH): +IDF_PATH = '/idf-'.join(split(ARGS.yaml)) +if exists(IDF_PATH): with open(IDF_PATH) as _: - IDF = yaml.safe_load(_) + IDF = yaml.load(_, Loader=LOADER) DICT['idf'] = IDF['idf'] # Print dictionary generated from yaml (uncomment for debug) # print(DICT) -# Render template and print generated conf to console -TEMPLATE = ENV.get_template(os.path.basename(ARGS.jinja2)) - -#pylint: disable=superfluous-parens -print(TEMPLATE.render(conf=DICT)) +for _j2 in ARGS.jinja2: + TEMPLATE = ENV.get_template(_j2) + OUTPUT = TEMPLATE.render(conf=DICT).replace('__slash__', '/') + # Render template and write generated conf to file or stdout + if ARGS.batch: + if _j2.endswith('.j2'): + destination_file = _j2[:-3] # Trim '.j2' suffix + LOGGER.info('Parsing {}'.format(_j2)) + with open(destination_file, 'w') as _: + _.write(OUTPUT) + else: + LOGGER.warn('Skipping {}, name does not end in ".j2"'.format(_j2)) + else: + # pylint: disable=superfluous-parens + print(OUTPUT) |