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Blame scripts/fas_perms_to_koji.py

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#!/usr/bin/env python
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# Copyright (c) 2015, Thomas Oulevey <thomas.oulevey@cern.ch>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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#   list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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#   this list of conditions and the following disclaimer in the documentation
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#   and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND  ON ANY THEORY OF LIABILITY, WHETHER
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# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This script reads from a file, group information generated by FAS and sync
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# it with koji
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# No command line argument, options are hardcoded at this time.
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import koji
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import os.path
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import sys
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from collections import defaultdict
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KOJI_URL = 'http://localhost/kojihub'
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CLIENT_CERT = os.path.expanduser('/etc/pki/koji/koji-admin.pem')
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CLIENTCA_CERT = os.path.expanduser('/etc/pki/koji/koji_ca_cert.crt')
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SERVERCA_CERT = os.path.expanduser('/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt')
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USER = 'koji'
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FASDUMP = '/etc/bsadmin/groups'
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SYSTEM_USERS = ['koji', 'kojira']
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IMAGE_PERM = ['virt', 'cloud', 'atomic', 'cloudinstance']
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def get_user_list():
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    users = [(x['name'], x['id']) for x in kojiclient.listUsers()]
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    return users if len(users) else None
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def get_user(user):
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    user = kojiclient.getUser(user)
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    return user
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def get_user_perms(user):
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    perms = kojiclient.getUserPerms(user[1])
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    return perms
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def get_users_perms():
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    userlist = defaultdict(list)
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    for user in get_user_list():
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        userlist[user[0]] = get_user_perms(user)
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    return userlist if len(userlist) else None
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def get_user_perms_from_file(user):
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    perms = get_users_perms_from_file()
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    return perms[user]
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def get_all_defined_perms():
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    perms = []
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    for perm in kojiclient.getAllPerms():
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        perms.append(perm['name'])
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    return perms
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def get_users_perms_from_file():
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    userlist = defaultdict(list)
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    try:
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        groups = open(FASDUMP, 'r')
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    except:
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        return None
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    for line in groups.readlines():
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        sig, users = line.strip('\n').split(':')
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        for user in users.replace(" ", "").split(','):
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            perm = "build-"+sig
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            userlist[user].append(perm)
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            userlist[user].append('build')
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            if sig in IMAGE_PERM:
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                userlist[user].append('image')
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    return userlist if len(userlist) else None
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def fix_permissions(new, old):
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    usernames = list(set(new)|set(old))
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    # Do not touch system users
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    usernames = [u for u in usernames if u not in SYSTEM_USERS]
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    for username in usernames:
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        togrant = list(set(new[username]) - set(old[username]))
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        torevoke = list(set(old[username]) - set(new[username]))
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        user = get_user(username)
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        if togrant or torevoke:
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            print "\n# user:%s\n# NEW perms:%s\n# OLD perms:%s \
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                  \n# To grant:%s\n# To revoke:%s" \
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                  % (user, new[username], old[username], togrant, torevoke)
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        if not user:
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            # Create user if it doesn't exist yet
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            user = kojiclient.createUser(username)
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            # Always grant "build" permission for building from srpm
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            kojiclient.grantPermission(username, 'build')
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        for perm in togrant:
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            if perm in get_all_defined_perms():
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                kojiclient.grantPermission(username, perm)
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        for perm in torevoke:
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            if perm in get_all_defined_perms():
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                kojiclient.revokePermission(username, perm)
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if __name__ == '__main__':
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    try:
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        kojiclient = koji.ClientSession(KOJI_URL)
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        kojiclient.ssl_login(CLIENT_CERT, CLIENTCA_CERT, SERVERCA_CERT)
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    except:
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        print "Could not connect to koji API"
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        sys.exit(2)
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    fas_perms = get_users_perms_from_file()
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    koji_perms = get_users_perms()
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    if not fas_perms:
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        print "Could not read %s file." % FASDUMP
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        sys.exit(1)
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    if not koji_perms:
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        print "Could not read koji's user database"
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        sys.exit(2)
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    fix_permissions(fas_perms, koji_perms)
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    sys.exit(0)