install.py

# Copyright (c) 2021 Charles University, Faculty of Arts,
#                    Institute of the Czech National Corpus
# Copyright (c) 2021 Martin Zimandl <martin.zimandlk@gmail.com>
# Copyright (c) 2021 Tomas Machalek <tomas.machalek@gmail.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# dated June, 1991.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.


import argparse
import inspect
import os
import subprocess

KONTEXT_PATH = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '../..'))
KONTEXT_INSTALL_CONF = os.environ.get('KONTEXT_INSTALL_CONF', 'config.default.xml')
SCHEDULER_INSTALL_CONF = os.environ.get('SCHEDULER_INSTALL_CONF', 'rq-schedule-conf.sample.json')
MANATEE_VER = '2.223.6'

REQUIREMENTS = [
    'python3-pip',
    'wget',
    'curl',
    'openssh-server',
    'net-tools',
    'redis-server',
    'build-essential',
    'openssl',
    'pkg-config',
    'swig',
    'nginx',
    'libltdl7',
    'libpcre3',
    'libicu-dev',
    'libpcre++-dev',
    'libxml2-dev',
    'libxslt1-dev',
    'libltdl-dev',
    # required by manatee packages
    'm4',
    'parallel',
    'locales-all',
    'sox',
    'bison',
    'libcairo2',
]


if __name__ == "__main__":
    argparser = argparse.ArgumentParser('Kontext instalation script')
    argparser.add_argument('--ucnk', action='store_true', default=False, help='Use UCNK sources')
    argparser.add_argument('--patch', dest='patch_path', action='store',
                           default=None, help='Path to UCNK Manatee patch')
    argparser.add_argument('--manatee-version', dest='manatee_version',
                           action='store', default=MANATEE_VER, help='Set Manatee version')
    argparser.add_argument('--no-safe-http', dest='no_cert_check', action='store_true',
                           default=False, help='Do not verify HTTPS certificates when downloading packages')
    argparser.add_argument('-v', dest='verbose', action='store_true',
                           default=False, help='Verbose mode')
    args = argparser.parse_args()

    stdout = None if args.verbose else open(os.devnull, 'wb')
    stderr = None

    subprocess.call(['systemctl', 'stop', 'rq-all.target'])
    subprocess.call(['systemctl', 'stop', 'rqscheduler'])

    # install prerequisites
    print('Installing requirements...')
    try:
        subprocess.check_call(['locale-gen', 'en_US.UTF-8'], stdout=stdout)
        subprocess.check_call(['apt-get', 'update', '-y'], stdout=stdout)
        subprocess.check_call(['apt-get', 'install', '-y'] + REQUIREMENTS, stdout=stdout)
        subprocess.check_call(['python3', '-m', 'pip', 'install',
                               'pip', '--upgrade'], stdout=stdout)
        subprocess.check_call(['pip3 install simplejson signalfd -r requirements.txt'],
                              cwd=KONTEXT_PATH, stdout=stdout, shell=True)
        subprocess.check_call(
            'curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -', shell=True)
        subprocess.check_call('sudo apt-get install -y nodejs', shell=True)
    except Exception as ex:
        print(f'failed to install dependencies: {ex}')

    # import steps here, because some depend on packages installed by this script
    import steps

    # run installation steps
    steps.SetupBgCalc(KONTEXT_PATH, stdout, stderr).run()
    steps.SetupNginx(KONTEXT_PATH, stdout, stderr).run()
    steps.SetupManatee(KONTEXT_PATH, stdout, stderr, args.no_cert_check).run(
        args.manatee_version, args.patch_path, ucnk_manatee=args.ucnk)
    steps.SetupKontext(
        kontext_path=KONTEXT_PATH, kontext_conf=KONTEXT_INSTALL_CONF,
        scheduler_conf=SCHEDULER_INSTALL_CONF,  stdout=stdout, stderr=stderr).run()
    steps.SetupDefaultUsers(KONTEXT_PATH, stdout, stderr).run()

    # finalize instalation
    print('Initializing Rq...')
    subprocess.check_call(['systemctl', 'start', 'rq-all.target'], stdout=stdout)
    subprocess.check_call(['systemctl', 'start', 'rqscheduler'], stdout=stdout)

    print('Initializing Nginx...')
    subprocess.check_call(['systemctl', 'restart', 'nginx'], stdout=stdout)

    # print final messages
    print(inspect.cleandoc(f'''
        {steps.bcolors.BOLD}{steps.bcolors.OKGREEN}
        KonText installation successfully completed.
        To start KonText, enter the following command in the KonText install root directory (i.e. {KONTEXT_PATH}):

            sudo -u {steps.WEBSERVER_USER} python3 public/app.py --address 127.0.0.1 --port 8080

        (--address and --port parameters are optional; default serving address is 127.0.0.1:5000)
        {steps.bcolors.ENDC}{steps.bcolors.ENDC}
    '''))

    for message in steps.InstallationStep.final_messages:
        print(inspect.cleandoc(message))