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