summaryrefslogtreecommitdiff
path: root/lorrycontroller/gitlab.py
blob: 659d1794376e810539a1eb04b616237d69e0e81c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
# Copyright (C) 2016  Codethink Limited
#
# 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 of the License.
#
# 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.

from __future__ import absolute_import
import urlparse
import itertools
try:
    import gitlab
except ImportError:
    gitlab = None


class MissingGitlabModuleError(Exception):
    pass


class Gitlab(object):

    '''Run commands on a GitLab instance.

    This uses the python wrapper around the GitLab API.
    Use of the API requires the private token of a user with master access
    to the targetted group.

    '''

    def __init__(self, host, token):
        if gitlab:
            url = "http://" + host
            self.gl = gitlab.Gitlab(url, token)
        else:
            raise MissingGitlabModuleError('gitlab module missing\n'
                '\tpython-gitlab is required with GitLab as the git server')

    def first(self, predicate, iterable):
        return next(itertools.ifilter(predicate, iterable))

    def split_path(self, path):
        return path.rsplit('/', 1)

    def find_project(self, group, project):
        predicate = lambda x: x.namespace.name == group and x.name == project

        return self.first(predicate, self.gl.projects.search(project))

    def has_project(self, repo_path):
        group, project = self.split_path(repo_path)

        try:
            return bool(self.find_project(group, project))
        except StopIteration:
            return False

    def create_project(self, repo_path):
        group_name, project_name = self.split_path(repo_path)
        group = None
        try:
            group = self.gl.groups.get(group_name)
        except gitlab.GitlabGetError as e:
            if e.error_message == '404 Not found':
                group = self.gl.groups.create(
                    {'name': group_name, 'path': group_name})
            else:
                raise

        project = {
            'name': project_name,
            'public': True,
            'merge_requests_enabled': False,
            'namespace_id': group.id
        }
        self.gl.projects.create(project)

    def list_projects(self):
        return [x.path_with_namespace for x in self.gl.projects.list()]

    def get_project_url(self, protocol, project_path):
        '''Return the clone url for a GitLab project.

        Depending on the protocol specified, will return a suitable clone url.
        If 'ssh', a url in the format 'git@host:group/project.git' will be
        returned.
        If 'http' or 'https', the http_url_to_repo from the GitLab API is split
        with urlparse into its constituent parts: the protocol (http by
        default), the host, and the path ('group/project.git').  This is then
        rejoined, replacing the protocol with what is specified.  The resulting
        format matching 'http(s)://host/group/project.git'.
        '''

        group, project = self.split_path(project_path)
        project = self.find_project(group, project)

        if protocol == 'ssh':
            return project.ssh_url_to_repo
        elif protocol in ('http', 'https'):
            split = urlparse.urlsplit(project.http_url_to_repo)
            return urlparse.urlunsplit((
                protocol, split.netloc, split.path, '', ''))