-
Notifications
You must be signed in to change notification settings - Fork 167
/
serializers.py
452 lines (317 loc) · 13.1 KB
/
serializers.py
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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
# Copyright (c) 2018 Red Hat, Inc.
#
# This file is part of ARA Records Ansible.
#
# ARA 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, either version 3 of the License, or
# (at your option) any later version.
#
# ARA 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 ARA. If not, see <http://www.gnu.org/licenses/>.
from rest_framework import serializers
from ara.api import fields as ara_fields, models
class ResultStatusSerializer(serializers.ModelSerializer):
class Meta:
abstract = True
status = serializers.SerializerMethodField()
@staticmethod
def get_status(obj):
if obj.status == "ok" and obj.changed:
return "changed"
elif obj.status == "failed" and obj.ignore_errors:
return "ignored"
else:
return obj.status
class TaskPathSerializer(serializers.ModelSerializer):
class Meta:
abstract = True
path = serializers.SerializerMethodField()
@staticmethod
def get_path(obj):
return obj.file.path
class ItemCountSerializer(serializers.ModelSerializer):
class Meta:
abstract = True
# For counting relationships to other objects
items = serializers.SerializerMethodField()
@staticmethod
def get_items(obj):
types = ["plays", "tasks", "results", "hosts", "files", "records"]
items = {item: getattr(obj, item).count() for item in types if hasattr(obj, item)}
return items
class FileSha1Serializer(serializers.ModelSerializer):
class Meta:
abstract = True
# For retrieving the sha1 of a file's contents
sha1 = serializers.SerializerMethodField()
@staticmethod
def get_sha1(obj):
return obj.content.sha1
#######
# Simple serializers provide lightweight representations of objects without
# nested or large fields.
#######
class SimpleLabelSerializer(serializers.ModelSerializer):
class Meta:
model = models.Label
exclude = ("created", "updated")
class SimplePlaybookSerializer(ItemCountSerializer):
class Meta:
model = models.Playbook
exclude = ("arguments", "created", "updated")
labels = SimpleLabelSerializer(many=True, read_only=True, default=[])
class SimplePlaySerializer(ItemCountSerializer):
class Meta:
model = models.Play
exclude = ("uuid", "created", "updated")
class SimpleTaskSerializer(ItemCountSerializer, TaskPathSerializer):
class Meta:
model = models.Task
exclude = ("tags", "created", "updated")
class SimpleResultSerializer(ResultStatusSerializer):
class Meta:
model = models.Result
exclude = ("content", "created", "updated")
class SimpleHostSerializer(serializers.ModelSerializer):
class Meta:
model = models.Host
exclude = ("facts", "created", "updated")
class SimpleFileSerializer(FileSha1Serializer):
class Meta:
model = models.File
exclude = ("content", "created", "updated")
class SimpleRecordSerializer(serializers.ModelSerializer):
class Meta:
model = models.Record
exclude = ("value", "created", "updated")
#######
# Nested serializers returns optimized data within the context of another object.
# For example: when retrieving a playbook, we'll already have the playbook id
# so it is not necessary to include it in nested objects.
#######
class NestedPlaybookFileSerializer(serializers.ModelSerializer):
class Meta:
model = models.File
exclude = ("content", "created", "updated", "playbook")
class NestedPlaybookHostSerializer(serializers.ModelSerializer):
class Meta:
model = models.Host
fields = ("id", "name")
class NestedPlaybookResultSerializer(ResultStatusSerializer):
class Meta:
model = models.Result
exclude = ("content", "created", "updated", "playbook", "play", "task")
host = NestedPlaybookHostSerializer(read_only=True)
class NestedPlaybookTaskSerializer(serializers.ModelSerializer):
class Meta:
model = models.Task
exclude = ("playbook", "created", "updated")
tags = ara_fields.CompressedObjectField(read_only=True)
results = NestedPlaybookResultSerializer(read_only=True, many=True)
file = NestedPlaybookFileSerializer(read_only=True)
class NestedPlaybookRecordSerializer(serializers.ModelSerializer):
class Meta:
model = models.Record
exclude = ("playbook", "value", "created", "updated")
class NestedPlaybookPlaySerializer(serializers.ModelSerializer):
class Meta:
model = models.Play
exclude = ("playbook", "uuid", "created", "updated")
tasks = NestedPlaybookTaskSerializer(read_only=True, many=True)
class NestedPlayTaskSerializer(TaskPathSerializer):
class Meta:
model = models.Task
exclude = ("playbook", "play", "created", "updated")
tags = ara_fields.CompressedObjectField(read_only=True)
results = NestedPlaybookResultSerializer(read_only=True, many=True)
file = NestedPlaybookFileSerializer(read_only=True)
#######
# Detailed serializers returns every field of an object as well as a simple
# representation of relationships to other objects.
#######
class DetailedLabelSerializer(serializers.ModelSerializer):
class Meta:
model = models.Label
fields = "__all__"
class DetailedPlaybookSerializer(ItemCountSerializer):
class Meta:
model = models.Playbook
fields = "__all__"
arguments = ara_fields.CompressedObjectField(default=ara_fields.EMPTY_DICT, read_only=True)
labels = SimpleLabelSerializer(many=True, read_only=True, default=[])
plays = NestedPlaybookPlaySerializer(many=True, read_only=True, default=[])
hosts = SimpleHostSerializer(many=True, read_only=True, default=[])
files = SimpleFileSerializer(many=True, read_only=True, default=[])
records = NestedPlaybookRecordSerializer(many=True, read_only=True, default=[])
class DetailedPlaySerializer(ItemCountSerializer):
class Meta:
model = models.Play
fields = "__all__"
playbook = SimplePlaybookSerializer(read_only=True)
tasks = NestedPlayTaskSerializer(many=True, read_only=True, default=[])
class DetailedTaskSerializer(ItemCountSerializer, TaskPathSerializer):
class Meta:
model = models.Task
fields = "__all__"
playbook = SimplePlaybookSerializer(read_only=True)
play = SimplePlaySerializer(read_only=True)
file = SimpleFileSerializer(read_only=True)
results = NestedPlaybookResultSerializer(many=True, read_only=True, default=[])
tags = ara_fields.CompressedObjectField(read_only=True)
class DetailedHostSerializer(serializers.ModelSerializer):
class Meta:
model = models.Host
fields = "__all__"
playbook = SimplePlaybookSerializer(read_only=True)
facts = ara_fields.CompressedObjectField(read_only=True)
class DetailedResultSerializer(ResultStatusSerializer):
class Meta:
model = models.Result
fields = "__all__"
playbook = SimplePlaybookSerializer(read_only=True)
play = SimplePlaySerializer(read_only=True)
task = SimpleTaskSerializer(read_only=True)
host = SimpleHostSerializer(read_only=True)
content = ara_fields.CompressedObjectField(read_only=True)
class DetailedFileSerializer(FileSha1Serializer):
class Meta:
model = models.File
fields = "__all__"
playbook = SimplePlaybookSerializer(read_only=True)
content = ara_fields.FileContentField(read_only=True)
class DetailedRecordSerializer(serializers.ModelSerializer):
class Meta:
model = models.Record
fields = "__all__"
playbook = SimplePlaybookSerializer(read_only=True)
value = ara_fields.CompressedObjectField(read_only=True)
#######
# List serializers returns lightweight fields about objects.
# Relationships are represented by numerical IDs.
#######
class ListLabelSerializer(serializers.ModelSerializer):
class Meta:
model = models.Label
fields = "__all__"
class ListPlaybookSerializer(ItemCountSerializer):
class Meta:
model = models.Playbook
exclude = ("created", "updated")
arguments = ara_fields.CompressedObjectField(default=ara_fields.EMPTY_DICT, read_only=True)
labels = SimpleLabelSerializer(many=True, read_only=True, default=[])
class ListPlaySerializer(ItemCountSerializer):
class Meta:
model = models.Play
exclude = ("created", "updated")
playbook = serializers.PrimaryKeyRelatedField(read_only=True)
class ListTaskSerializer(ItemCountSerializer, TaskPathSerializer):
class Meta:
model = models.Task
exclude = ("created", "updated")
tags = ara_fields.CompressedObjectField(read_only=True)
play = serializers.PrimaryKeyRelatedField(read_only=True)
class ListHostSerializer(serializers.ModelSerializer):
class Meta:
model = models.Host
exclude = ("facts",)
playbook = serializers.PrimaryKeyRelatedField(read_only=True)
class ListResultSerializer(ResultStatusSerializer):
class Meta:
model = models.Result
exclude = ("content", "created", "updated")
playbook = serializers.PrimaryKeyRelatedField(read_only=True)
play = serializers.PrimaryKeyRelatedField(read_only=True)
task = serializers.PrimaryKeyRelatedField(read_only=True)
host = serializers.PrimaryKeyRelatedField(read_only=True)
class ListFileSerializer(FileSha1Serializer):
class Meta:
model = models.File
exclude = ("content", "created", "updated")
playbook = serializers.PrimaryKeyRelatedField(read_only=True)
class ListRecordSerializer(serializers.ModelSerializer):
class Meta:
model = models.Record
exclude = ("value", "created", "updated")
playbook = serializers.PrimaryKeyRelatedField(read_only=True)
#######
# Default serializers represents objects as they are modelized in the database.
# They are used for creating/updating/destroying objects.
#######
class LabelSerializer(serializers.ModelSerializer):
class Meta:
model = models.Label
fields = "__all__"
class PlaybookSerializer(serializers.ModelSerializer):
class Meta:
model = models.Playbook
fields = "__all__"
arguments = ara_fields.CompressedObjectField(default=ara_fields.EMPTY_DICT)
labels = ara_fields.CreatableSlugRelatedField(
many=True, slug_field="name", queryset=models.Label.objects.all(), required=False
)
class PlaySerializer(serializers.ModelSerializer):
class Meta:
model = models.Play
fields = "__all__"
class TaskSerializer(serializers.ModelSerializer):
class Meta:
model = models.Task
fields = "__all__"
tags = ara_fields.CompressedObjectField(default=ara_fields.EMPTY_LIST, help_text="A list containing Ansible tags")
class HostSerializer(serializers.ModelSerializer):
class Meta:
model = models.Host
fields = "__all__"
facts = ara_fields.CompressedObjectField(default=ara_fields.EMPTY_DICT)
def get_unique_together_validators(self):
"""
Hosts have a "unique together" constraint for host.name and play.id.
We want to have a "get_or_create" facility and in order to do that, we
must manage the validation during the creation, not before.
Overriding this method effectively disables this validator.
"""
return []
def create(self, validated_data):
host, created = models.Host.objects.get_or_create(
name=validated_data["name"], playbook=validated_data["playbook"], defaults=validated_data
)
return host
class ResultSerializer(serializers.ModelSerializer):
class Meta:
model = models.Result
fields = "__all__"
content = ara_fields.CompressedObjectField(default=ara_fields.EMPTY_DICT)
class FileSerializer(FileSha1Serializer):
class Meta:
model = models.File
fields = "__all__"
content = ara_fields.FileContentField()
def get_unique_together_validators(self):
"""
Files have a "unique together" constraint for file.path and playbook.id.
We want to have a "get_or_create" facility and in order to do that, we
must manage the validation during the creation, not before.
Overriding this method effectively disables this validator.
"""
return []
def create(self, validated_data):
file_, created = models.File.objects.get_or_create(
path=validated_data["path"],
content=validated_data["content"],
playbook=validated_data["playbook"],
defaults=validated_data,
)
return file_
class RecordSerializer(serializers.ModelSerializer):
class Meta:
model = models.Record
fields = "__all__"
value = ara_fields.CompressedObjectField(
default=ara_fields.EMPTY_STRING, help_text="A string, list, dict, json or other formatted data"
)