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path: root/repo/gen_ins_pkg_script.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 yaml
import os
import sys
from Cheetah.Template import Template
import constants as const


def get_file_list(root, arch):
    files = []

    dirs = os.listdir(os.path.join(root, 'roles'))

    for dir in dirs:
        var_dir = os.path.join(root, 'roles', dir, 'vars')
        for name in ['main.yml', arch + r'.yml']:
            if os.path.exists(os.path.join(var_dir, name)):
                files.append(os.path.join(var_dir, name))

    return files


def get_packages_name_list(file_list, special_packages):
    package_name_list = []

    for file in file_list:
        datas = yaml.load(open(file))
        if not datas:
            continue

        for key, value in datas.items():
            if key == "pip_packages":
                continue

            if not key.endswith("packages") and not key.endswith(
                    "packages_noarch"):
                continue

            if not value:
                continue

            if not isinstance(value, list):
                value = [value]

            for i in value:
                if i in special_packages:
                    continue
                if i not in package_name_list:
                    package_name_list.append(i)

    return package_name_list


def generate_download_script(root="", arch="", tmpl="", docker_tmpl="", default_packages="",  # noqa
                             special_packages="", special_packages_script_dir="", special_packages_dir="", os_ver=""):   # noqa
    package_name_list = get_packages_name_list(
        get_file_list(root, arch), special_packages) if root else []

    tmpl = Template(
        file=tmpl,
        searchList={
            'packages': package_name_list,
            'default_packages': default_packages})
    with open('work/repo/install_packages.sh', 'w') as f:
        f.write(tmpl.respond())

    make_script = []
    for i in special_packages:
        name = 'make_' + i + '.sh'
        if os.path.exists(os.path.join(special_packages_script_dir, name)):
            make_script.append(name)

    searchList = {'scripts': make_script, 'version': const.os_map[os_ver]}
    if os.path.exists(special_packages_dir):
        special_packages_names = []

        for parent, dirname, filenames in os.walk(special_packages_dir):
            for filename in filenames:
                if os.path.isfile(os.path.join(parent, filename)):
                    special_packages_names.append(filename)
        searchList.update({'special_packages': special_packages_names})

    Dockerfile = os.path.basename(docker_tmpl).split('.')[0]
    tmpl = Template(file=docker_tmpl, searchList=searchList)
    with open(os.path.join('work/repo', Dockerfile), 'w') as f:
        f.write(tmpl.respond())

if __name__ == '__main__':
    # generate_download_script('ansible', 'Debian', 'Debian.tmpl')
    generate_download_script(sys.argv[1], sys.argv[2], sys.argv[3],
                             sys.argv[4], sys.argv[5].split(' '), sys.argv[6].split(' '), sys.argv[7], sys.argv[8], sys.argv[9])   # noqa