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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
# Copyright (C) 2017-2018 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import base64
import glob
import os
import yaml
import ick2
class ControllerState:
def __init__(self):
self._statedir = None
def get_state_directory(self):
return self._statedir
def set_state_directory(self, dirname):
self._statedir = dirname
if not os.path.exists(self._statedir):
os.makedirs(self._statedir)
def get_resource_directory(self, type_name):
return os.path.join(self.get_state_directory(), type_name)
def get_resource_filename(self, type_name, resource_name):
dirname = self.get_resource_directory(type_name)
basename = base64.urlsafe_b64encode(
resource_name.encode()).decode('ascii')
return os.path.join(dirname, basename + '.yaml')
def load_resources(self, type_name):
assert self._statedir is not None
resources = []
dirname = self.get_resource_directory(type_name)
for filename in glob.glob(dirname + '/*.yaml'):
obj = self.load_resource(filename)
resources.append(obj)
return resources
def load_resource(self, filename):
with open(filename, 'r') as f:
return yaml.safe_load(f)
def get_resources(self, type_name):
return self.load_resources(type_name)
def get_resource(self, type_name, resource_name):
filename = self.get_resource_filename(type_name, resource_name)
if os.path.exists(filename):
result = self.load_resource(filename)
ick2.log.log(
'debug', msg_text='get_resource called',
type_name=type_name, resource_name=resource_name,
filename=filename, result=result)
return result
ick2.log.log(
'warning', msg_text='Cannot find resource',
type_name=type_name, resource_name=resource_name)
raise NotFound()
def add_resource(self, type_name, resource_name, resource):
filename = self.get_resource_filename(type_name, resource_name)
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
os.makedirs(dirname)
with open(filename, 'w') as f:
yaml.safe_dump(resource, stream=f)
return resource
def update_resource(self, type_name, resource_name, body):
filename = self.get_resource_filename(type_name, resource_name)
with open(filename, 'w') as f:
yaml.safe_dump(body, stream=f)
return body
def remove_resource(self, type_name, resource_name):
filename = self.get_resource_filename(type_name, resource_name)
if not os.path.exists(filename):
raise NotFound()
os.remove(filename)
class NotFound(Exception):
def __init__(self):
super().__init__('Resource not found')
class WrongProjectStatus(Exception): # pragma: no cover
def __init__(self, new_state):
super().__init__('Cannot set project state to {}'.format(new_state))
class ResourceStore: # pragma: no cover
def __init__(self, state, category, name_field):
self._state = state
self._category = category
self._name_field = name_field
def get_resource_name(self, name):
return str(name)
def list(self):
return self._state.get_resources(self._category)
def get(self, name):
name = self.get_resource_name(name)
try:
return self._state.get_resource(self._category, name)
except ick2.NotFound:
return {
self._name_field: name,
}
def add(self, name, resource):
name = self.get_resource_name(name)
self._state.add_resource(self._category, name, resource)
def update(self, resource):
name = self.get_resource_name(resource[self._name_field])
try:
self._state.get_resource(self._category, name)
except ick2.NotFound:
raise ick2.NotFound()
else:
self._state.update_resource(self._category, name, resource)
class Workers(ResourceStore): # pragma: no cover
def __init__(self, state):
super().__init__(state, 'workers', 'worker')
def get_worker(self, name):
return self.get(name)
def update_worker(self, worker):
self.update(worker)
class Projects(ResourceStore): # pragma: no cover
def __init__(self, state):
super().__init__(state, 'projects', 'project')
def get_projects(self):
return self.list()
def update_project(self, project):
self.update(project)
class Builds(ResourceStore): # pragma: no cover
def __init__(self, state):
super().__init__(state, 'builds', 'build_id')
def get_builds(self):
return self.list()
def update_build(self, build):
self.update(build)
class ProjectStatus(ResourceStore): # pragma: no cover
def __init__(self, state):
super().__init__(state, 'project_status', 'project')
def _name(self, project_name):
return project_name
def get_instance(self, project_name):
name = self._name(project_name)
return self.get(name)
def add_instance(self, project_name, instance):
name = self._name(project_name)
self.add(name, instance)
def update_instance(self, project_name, instance):
name = self._name(project_name)
self.add(name, instance)
|
