root / snf-astakos-app / astakos / im / management / commands / resource-modify.py @ 4220c336
History | View | Annotate | Download (8.5 kB)
1 | 720955ff | Giorgos Korfiatis | # Copyright 2013 GRNET S.A. All rights reserved.
|
---|---|---|---|
2 | 720955ff | Giorgos Korfiatis | #
|
3 | 720955ff | Giorgos Korfiatis | # Redistribution and use in source and binary forms, with or
|
4 | 720955ff | Giorgos Korfiatis | # without modification, are permitted provided that the following
|
5 | 720955ff | Giorgos Korfiatis | # conditions are met:
|
6 | 720955ff | Giorgos Korfiatis | #
|
7 | 720955ff | Giorgos Korfiatis | # 1. Redistributions of source code must retain the above
|
8 | 720955ff | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
|
9 | 720955ff | Giorgos Korfiatis | # disclaimer.
|
10 | 720955ff | Giorgos Korfiatis | #
|
11 | 720955ff | Giorgos Korfiatis | # 2. Redistributions in binary form must reproduce the above
|
12 | 720955ff | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
|
13 | 720955ff | Giorgos Korfiatis | # disclaimer in the documentation and/or other materials
|
14 | 720955ff | Giorgos Korfiatis | # provided with the distribution.
|
15 | 720955ff | Giorgos Korfiatis | #
|
16 | 720955ff | Giorgos Korfiatis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 | 720955ff | Giorgos Korfiatis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 | 720955ff | Giorgos Korfiatis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 | 720955ff | Giorgos Korfiatis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 | 720955ff | Giorgos Korfiatis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 | 720955ff | Giorgos Korfiatis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 | 720955ff | Giorgos Korfiatis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 | 720955ff | Giorgos Korfiatis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 | 720955ff | Giorgos Korfiatis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 | 720955ff | Giorgos Korfiatis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 | 720955ff | Giorgos Korfiatis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 | 720955ff | Giorgos Korfiatis | # POSSIBILITY OF SUCH DAMAGE.
|
28 | 720955ff | Giorgos Korfiatis | #
|
29 | 720955ff | Giorgos Korfiatis | # The views and conclusions contained in the software and
|
30 | 720955ff | Giorgos Korfiatis | # documentation are those of the authors and should not be
|
31 | 720955ff | Giorgos Korfiatis | # interpreted as representing official policies, either expressed
|
32 | 720955ff | Giorgos Korfiatis | # or implied, of GRNET S.A.
|
33 | 720955ff | Giorgos Korfiatis | |
34 | 720955ff | Giorgos Korfiatis | from optparse import make_option |
35 | 720955ff | Giorgos Korfiatis | from django.core.management.base import BaseCommand, CommandError |
36 | 3a527b3a | Giorgos Korfiatis | from django.utils import simplejson as json |
37 | 720955ff | Giorgos Korfiatis | |
38 | d758784b | Christos Stavrakakis | from snf_django.management import utils |
39 | 720955ff | Giorgos Korfiatis | from astakos.im.models import Resource |
40 | f72ba65d | Giorgos Korfiatis | from astakos.im.register import update_resources |
41 | 44f510e1 | Giorgos Korfiatis | from ._common import show_resource_value, style_options, check_style, units |
42 | 720955ff | Giorgos Korfiatis | |
43 | 720955ff | Giorgos Korfiatis | |
44 | 720955ff | Giorgos Korfiatis | class Command(BaseCommand): |
45 | 720955ff | Giorgos Korfiatis | args = "<resource name>"
|
46 | a0fcfb35 | Giorgos Korfiatis | help = "Modify a resource's default base quota and boolean flags."
|
47 | 720955ff | Giorgos Korfiatis | |
48 | 720955ff | Giorgos Korfiatis | option_list = BaseCommand.option_list + ( |
49 | d61d6007 | Giorgos Korfiatis | make_option('--default-quota',
|
50 | d61d6007 | Giorgos Korfiatis | metavar='<limit>',
|
51 | 3a527b3a | Giorgos Korfiatis | help="Specify default base quota"),
|
52 | d61d6007 | Giorgos Korfiatis | make_option('--default-quota-interactive',
|
53 | 3a527b3a | Giorgos Korfiatis | action='store_true',
|
54 | 3a527b3a | Giorgos Korfiatis | default=None,
|
55 | a0fcfb35 | Giorgos Korfiatis | help=("Prompt user to change default base quota. "
|
56 | a0fcfb35 | Giorgos Korfiatis | "If no resource is given, prompts for all "
|
57 | a0fcfb35 | Giorgos Korfiatis | "resources.")),
|
58 | d61d6007 | Giorgos Korfiatis | make_option('--default-quota-from-file',
|
59 | 3a527b3a | Giorgos Korfiatis | metavar='<limits_file.json>',
|
60 | a0fcfb35 | Giorgos Korfiatis | help=("Read default base quota from a file. "
|
61 | a0fcfb35 | Giorgos Korfiatis | "File should contain a json dict mapping resource "
|
62 | a0fcfb35 | Giorgos Korfiatis | "names to limits")),
|
63 | 44f510e1 | Giorgos Korfiatis | make_option('--unit-style',
|
64 | 44f510e1 | Giorgos Korfiatis | default='mb',
|
65 | 44f510e1 | Giorgos Korfiatis | help=("Specify display unit for resource values "
|
66 | 44f510e1 | Giorgos Korfiatis | "(one of %s); defaults to mb") % style_options),
|
67 | 2dc27ac1 | Giorgos Korfiatis | make_option('--api-visible',
|
68 | a0fcfb35 | Giorgos Korfiatis | metavar='True|False',
|
69 | 2dc27ac1 | Giorgos Korfiatis | help="Control visibility of this resource in the API"),
|
70 | 2dc27ac1 | Giorgos Korfiatis | make_option('--ui-visible',
|
71 | 2dc27ac1 | Giorgos Korfiatis | metavar='True|False',
|
72 | 2dc27ac1 | Giorgos Korfiatis | help="Control visibility of this resource in the UI"),
|
73 | 720955ff | Giorgos Korfiatis | ) |
74 | 720955ff | Giorgos Korfiatis | |
75 | 720955ff | Giorgos Korfiatis | def handle(self, *args, **options): |
76 | 3a527b3a | Giorgos Korfiatis | resource_name = args[0] if len(args) > 0 else None |
77 | 3a527b3a | Giorgos Korfiatis | |
78 | 3a527b3a | Giorgos Korfiatis | actions = { |
79 | d61d6007 | Giorgos Korfiatis | 'default_quota': self.change_limit, |
80 | d61d6007 | Giorgos Korfiatis | 'default_quota_interactive': self.change_interactive, |
81 | d61d6007 | Giorgos Korfiatis | 'default_quota_from_file': self.change_from_file, |
82 | 2dc27ac1 | Giorgos Korfiatis | 'api_visible': self.set_api_visible, |
83 | 2dc27ac1 | Giorgos Korfiatis | 'ui_visible': self.set_ui_visible, |
84 | 3a527b3a | Giorgos Korfiatis | } |
85 | 3a527b3a | Giorgos Korfiatis | |
86 | 3a527b3a | Giorgos Korfiatis | opts = [(key, value) |
87 | 3a527b3a | Giorgos Korfiatis | for (key, value) in options.items() |
88 | 3a527b3a | Giorgos Korfiatis | if key in actions and value is not None] |
89 | 3a527b3a | Giorgos Korfiatis | |
90 | 3a527b3a | Giorgos Korfiatis | if len(opts) != 1: |
91 | a0fcfb35 | Giorgos Korfiatis | raise CommandError("Please provide exactly one of the options: " |
92 | d61d6007 | Giorgos Korfiatis | "--default-quota, --default-quota-interactive, "
|
93 | d61d6007 | Giorgos Korfiatis | "--default-quota-from-file, "
|
94 | 2dc27ac1 | Giorgos Korfiatis | "--api-visible, --ui-visible.")
|
95 | 44f510e1 | Giorgos Korfiatis | |
96 | 44f510e1 | Giorgos Korfiatis | self.unit_style = options['unit_style'] |
97 | 44f510e1 | Giorgos Korfiatis | check_style(self.unit_style)
|
98 | 3a527b3a | Giorgos Korfiatis | |
99 | 3a527b3a | Giorgos Korfiatis | key, value = opts[0]
|
100 | 3a527b3a | Giorgos Korfiatis | action = actions[key] |
101 | 3a527b3a | Giorgos Korfiatis | action(resource_name, value) |
102 | 3a527b3a | Giorgos Korfiatis | |
103 | 2dc27ac1 | Giorgos Korfiatis | def set_api_visible(self, resource_name, allow): |
104 | 2dc27ac1 | Giorgos Korfiatis | if resource_name is None: |
105 | 2dc27ac1 | Giorgos Korfiatis | raise CommandError("Please provide a resource name.") |
106 | 2dc27ac1 | Giorgos Korfiatis | |
107 | 2dc27ac1 | Giorgos Korfiatis | try:
|
108 | 2dc27ac1 | Giorgos Korfiatis | allow = utils.parse_bool(allow) |
109 | 2dc27ac1 | Giorgos Korfiatis | except ValueError: |
110 | 2dc27ac1 | Giorgos Korfiatis | raise CommandError("Expecting a boolean value.") |
111 | 2dc27ac1 | Giorgos Korfiatis | resource = self.get_resource(resource_name)
|
112 | 2dc27ac1 | Giorgos Korfiatis | resource.api_visible = allow |
113 | 2dc27ac1 | Giorgos Korfiatis | if not allow and resource.ui_visible: |
114 | 4220c336 | Giorgos Korfiatis | self.stderr.write("Also resetting 'ui_visible' for consistency.\n") |
115 | 2dc27ac1 | Giorgos Korfiatis | resource.ui_visible = False
|
116 | 2dc27ac1 | Giorgos Korfiatis | resource.save() |
117 | 2dc27ac1 | Giorgos Korfiatis | |
118 | 2dc27ac1 | Giorgos Korfiatis | def set_ui_visible(self, resource_name, allow): |
119 | a0fcfb35 | Giorgos Korfiatis | if resource_name is None: |
120 | a0fcfb35 | Giorgos Korfiatis | raise CommandError("Please provide a resource name.") |
121 | a0fcfb35 | Giorgos Korfiatis | |
122 | a0fcfb35 | Giorgos Korfiatis | try:
|
123 | a0fcfb35 | Giorgos Korfiatis | allow = utils.parse_bool(allow) |
124 | a0fcfb35 | Giorgos Korfiatis | except ValueError: |
125 | a0fcfb35 | Giorgos Korfiatis | raise CommandError("Expecting a boolean value.") |
126 | a0fcfb35 | Giorgos Korfiatis | resource = self.get_resource(resource_name)
|
127 | 2dc27ac1 | Giorgos Korfiatis | |
128 | 2dc27ac1 | Giorgos Korfiatis | resource.ui_visible = allow |
129 | 2dc27ac1 | Giorgos Korfiatis | if allow and not resource.api_visible: |
130 | 4220c336 | Giorgos Korfiatis | self.stderr.write("Also setting 'api_visible' for consistency.\n") |
131 | 2dc27ac1 | Giorgos Korfiatis | resource.api_visible = True
|
132 | a0fcfb35 | Giorgos Korfiatis | resource.save() |
133 | a0fcfb35 | Giorgos Korfiatis | |
134 | 3a527b3a | Giorgos Korfiatis | def get_resource(self, resource_name): |
135 | 3a527b3a | Giorgos Korfiatis | try:
|
136 | c7e03d20 | Giorgos Korfiatis | return Resource.objects.select_for_update().get(name=resource_name)
|
137 | 3a527b3a | Giorgos Korfiatis | except Resource.DoesNotExist:
|
138 | 3a527b3a | Giorgos Korfiatis | raise CommandError("Resource %s does not exist." |
139 | 3a527b3a | Giorgos Korfiatis | % resource_name) |
140 | 3a527b3a | Giorgos Korfiatis | |
141 | 3a527b3a | Giorgos Korfiatis | def change_limit(self, resource_name, limit): |
142 | 3a527b3a | Giorgos Korfiatis | if resource_name is None: |
143 | 720955ff | Giorgos Korfiatis | raise CommandError("Please provide a resource name.") |
144 | 720955ff | Giorgos Korfiatis | |
145 | 3a527b3a | Giorgos Korfiatis | resource = self.get_resource(resource_name)
|
146 | 3a527b3a | Giorgos Korfiatis | self.change_resource_limit(resource, limit)
|
147 | 720955ff | Giorgos Korfiatis | |
148 | 3a527b3a | Giorgos Korfiatis | def change_from_file(self, resource_name, filename): |
149 | 3a527b3a | Giorgos Korfiatis | with open(filename) as file_data: |
150 | 3a527b3a | Giorgos Korfiatis | try:
|
151 | 3a527b3a | Giorgos Korfiatis | config = json.load(file_data) |
152 | 3a527b3a | Giorgos Korfiatis | except json.JSONDecodeError:
|
153 | 3a527b3a | Giorgos Korfiatis | raise CommandError("Malformed JSON file.") |
154 | 3a527b3a | Giorgos Korfiatis | if not isinstance(config, dict): |
155 | 3a527b3a | Giorgos Korfiatis | raise CommandError("Malformed JSON file.") |
156 | 3a527b3a | Giorgos Korfiatis | self.change_with_conf(resource_name, config)
|
157 | 720955ff | Giorgos Korfiatis | |
158 | 3a527b3a | Giorgos Korfiatis | def change_with_conf(self, resource_name, config): |
159 | 3a527b3a | Giorgos Korfiatis | if resource_name is None: |
160 | 3a527b3a | Giorgos Korfiatis | resources = Resource.objects.all().select_for_update() |
161 | 3a527b3a | Giorgos Korfiatis | else:
|
162 | 3a527b3a | Giorgos Korfiatis | resources = [self.get_resource(resource_name)]
|
163 | 3a527b3a | Giorgos Korfiatis | |
164 | f72ba65d | Giorgos Korfiatis | updates = [] |
165 | 3a527b3a | Giorgos Korfiatis | for resource in resources: |
166 | 3a527b3a | Giorgos Korfiatis | limit = config.get(resource.name) |
167 | 3a527b3a | Giorgos Korfiatis | if limit is not None: |
168 | f72ba65d | Giorgos Korfiatis | limit = self.parse_limit(limit)
|
169 | f72ba65d | Giorgos Korfiatis | updates.append((resource, limit)) |
170 | f72ba65d | Giorgos Korfiatis | if updates:
|
171 | f72ba65d | Giorgos Korfiatis | update_resources(updates) |
172 | 3a527b3a | Giorgos Korfiatis | |
173 | 3a527b3a | Giorgos Korfiatis | def change_interactive(self, resource_name, _placeholder): |
174 | 3a527b3a | Giorgos Korfiatis | if resource_name is None: |
175 | 3a527b3a | Giorgos Korfiatis | resources = Resource.objects.all().select_for_update() |
176 | 3a527b3a | Giorgos Korfiatis | else:
|
177 | 3a527b3a | Giorgos Korfiatis | resources = [self.get_resource(resource_name)]
|
178 | 3a527b3a | Giorgos Korfiatis | |
179 | f72ba65d | Giorgos Korfiatis | updates = [] |
180 | 3a527b3a | Giorgos Korfiatis | for resource in resources: |
181 | 3a527b3a | Giorgos Korfiatis | self.stdout.write("Resource '%s' (%s)\n" % |
182 | 3a527b3a | Giorgos Korfiatis | (resource.name, resource.desc)) |
183 | 44f510e1 | Giorgos Korfiatis | value = show_resource_value(resource.uplimit, resource.name, |
184 | 44f510e1 | Giorgos Korfiatis | self.unit_style)
|
185 | 44f510e1 | Giorgos Korfiatis | self.stdout.write("Current limit: %s\n" % value) |
186 | 3a527b3a | Giorgos Korfiatis | while True: |
187 | 44f510e1 | Giorgos Korfiatis | self.stdout.write("New limit (leave blank to keep current): ") |
188 | 3a527b3a | Giorgos Korfiatis | response = raw_input()
|
189 | 3a527b3a | Giorgos Korfiatis | if response == "": |
190 | 3a527b3a | Giorgos Korfiatis | break
|
191 | 3a527b3a | Giorgos Korfiatis | else:
|
192 | 3a527b3a | Giorgos Korfiatis | try:
|
193 | 44f510e1 | Giorgos Korfiatis | value = units.parse(response) |
194 | 44f510e1 | Giorgos Korfiatis | except units.ParseError:
|
195 | 3a527b3a | Giorgos Korfiatis | continue
|
196 | f72ba65d | Giorgos Korfiatis | updates.append((resource, value)) |
197 | 3a527b3a | Giorgos Korfiatis | break
|
198 | f72ba65d | Giorgos Korfiatis | if updates:
|
199 | 4220c336 | Giorgos Korfiatis | self.stderr.write("Updating...\n") |
200 | f72ba65d | Giorgos Korfiatis | update_resources(updates) |
201 | f72ba65d | Giorgos Korfiatis | |
202 | f72ba65d | Giorgos Korfiatis | def parse_limit(self, limit): |
203 | f72ba65d | Giorgos Korfiatis | try:
|
204 | f72ba65d | Giorgos Korfiatis | if isinstance(limit, (int, long)): |
205 | f72ba65d | Giorgos Korfiatis | return limit
|
206 | f72ba65d | Giorgos Korfiatis | if isinstance(limit, basestring): |
207 | f72ba65d | Giorgos Korfiatis | return units.parse(limit)
|
208 | f72ba65d | Giorgos Korfiatis | raise units.ParseError()
|
209 | f72ba65d | Giorgos Korfiatis | except units.ParseError:
|
210 | f72ba65d | Giorgos Korfiatis | m = ("Limit should be an integer, optionally followed by a unit,"
|
211 | f72ba65d | Giorgos Korfiatis | " or 'inf'.")
|
212 | f72ba65d | Giorgos Korfiatis | raise CommandError(m)
|
213 | 3a527b3a | Giorgos Korfiatis | |
214 | 3a527b3a | Giorgos Korfiatis | def change_resource_limit(self, resource, limit): |
215 | f72ba65d | Giorgos Korfiatis | limit = self.parse_limit(limit)
|
216 | f72ba65d | Giorgos Korfiatis | update_resources([(resource, limit)]) |