#! /usr/bin/env python

# Copyright 2016 Hewlett Packard Enterprise Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

# This script is intended to be run as part of a periodic proposal bot
# job in OpenStack infrastructure.
#
# In order to function correctly, the environment in which the
# script runs must have
#   * network access to the review.opendev.org Gerrit API
#     working directory
#   * network access to https://opendev.org/openstack

import json
import re
import sys

import urllib3
from urllib3.util import retry

# List of openstack projects having tempest plugin stale or unmaintained for
# a long time(6 months or more)
NON_ACTIVE_LIST = [
    'openstack/networking-generic-switch',
    # networking-spp is missing neutron-tempest-plugin as a dep plus
    # test-requirements.txt is nested in a openstack dir and sanity script
    # doesn't count with such scenario yet
    'openstack/neutron-dynamic-routing',
    # As tests have been migrated to neutron-tempest-plugin:
    # https://review.opendev.org/#/c/637718/
    'openstack/neutron-vpnaas',
]

url = 'https://review.opendev.org/projects/'

# This is what a project looks like
'''
  "openstack-attic/akanda": {
    "id": "openstack-attic%2Fakanda",
    "state": "READ_ONLY"
  },
'''

http = urllib3.PoolManager(cert_reqs='CERT_REQUIRED')
retries = retry.Retry(status_forcelist=[500], backoff_factor=1.0)


def has_tempest_plugin(proj):
    try:
        r = http.request('GET', "https://opendev.org/%s/raw/branch/"
                         "master/setup.cfg" % proj, retries=retries)
        if r.status == 404:
            return False
    except urllib3.exceptions.MaxRetryError as err:
        # We should not ignore non 404 errors.
        raise err
    p = re.compile(r'^tempest\.test_plugins', re.M)
    if p.findall(r.data.decode('utf-8')):
        return True
    else:
        False


if len(sys.argv) > 1 and sys.argv[1] == 'nonactivelist':
    for non_active_plugin in NON_ACTIVE_LIST:
        print(non_active_plugin)
    # We just need NON_ACTIVE_LIST when we use this `nonactivelist` option.
    # So, this exits here.
    sys.exit()

r = http.request('GET', url, retries=retries)
# Gerrit prepends 4 garbage octets to the JSON, in order to counter
# cross-site scripting attacks.  Therefore we must discard it so the
# json library won't choke.
content = r.data.decode('utf-8')[4:]
projects = sorted(json.loads(content))

# Retrieve openstack projects having no deployment tool repo (such
# as deb, puppet, ansible, etc.), infra repos, ui or spec namespace
# as those namespaces do not contains tempest plugins.
projects_list = [i for i in projects if
                 i.startswith('openstack/') and not (
                     i.startswith('openstack/ansible-') or
                     i.startswith('openstack/charm-') or
                     i.startswith('openstack/cookbook-openstack-') or
                     i.startswith('openstack/devstack-') or
                     i.startswith('openstack/fuel-') or
                     i.startswith('openstack/deb-') or
                     i.startswith('openstack/puppet-') or
                     i.startswith('openstack/openstack-ansible-') or
                     i.endswith('-ui') or
                     i.endswith('-specs'))]

found_plugins = list(filter(has_tempest_plugin, projects_list))

# We have tempest plugins not only in 'openstack/' namespace but also the
# other name spaces such as 'airship/', 'x/', etc.
# So, we print all of them here.
for project in found_plugins:
    print(project)