root / snf-astakos-app / astakos / im / management / commands / service-import.py @ def409e0
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1 | bd1f667b | Giorgos Korfiatis | # Copyright 2013 GRNET S.A. All rights reserved.
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2 | bd1f667b | Giorgos Korfiatis | #
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3 | bd1f667b | Giorgos Korfiatis | # Redistribution and use in source and binary forms, with or
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4 | bd1f667b | Giorgos Korfiatis | # without modification, are permitted provided that the following
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5 | bd1f667b | Giorgos Korfiatis | # conditions are met:
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6 | bd1f667b | Giorgos Korfiatis | #
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7 | bd1f667b | Giorgos Korfiatis | # 1. Redistributions of source code must retain the above
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8 | bd1f667b | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
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9 | bd1f667b | Giorgos Korfiatis | # disclaimer.
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10 | bd1f667b | Giorgos Korfiatis | #
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11 | bd1f667b | Giorgos Korfiatis | # 2. Redistributions in binary form must reproduce the above
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12 | bd1f667b | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
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13 | bd1f667b | Giorgos Korfiatis | # disclaimer in the documentation and/or other materials
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14 | bd1f667b | Giorgos Korfiatis | # provided with the distribution.
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15 | bd1f667b | Giorgos Korfiatis | #
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16 | bd1f667b | Giorgos Korfiatis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | bd1f667b | Giorgos Korfiatis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | bd1f667b | Giorgos Korfiatis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | bd1f667b | Giorgos Korfiatis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | bd1f667b | Giorgos Korfiatis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | bd1f667b | Giorgos Korfiatis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | bd1f667b | Giorgos Korfiatis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | bd1f667b | Giorgos Korfiatis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | bd1f667b | Giorgos Korfiatis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | bd1f667b | Giorgos Korfiatis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | bd1f667b | Giorgos Korfiatis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | bd1f667b | Giorgos Korfiatis | # POSSIBILITY OF SUCH DAMAGE.
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28 | bd1f667b | Giorgos Korfiatis | #
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29 | bd1f667b | Giorgos Korfiatis | # The views and conclusions contained in the software and
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30 | bd1f667b | Giorgos Korfiatis | # documentation are those of the authors and should not be
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31 | bd1f667b | Giorgos Korfiatis | # interpreted as representing official policies, either expressed
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32 | bd1f667b | Giorgos Korfiatis | # or implied, of GRNET S.A.
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33 | bd1f667b | Giorgos Korfiatis | |
34 | bd1f667b | Giorgos Korfiatis | from optparse import make_option |
35 | bd1f667b | Giorgos Korfiatis | |
36 | a3e3917f | Giorgos Korfiatis | from django.db import transaction |
37 | bd1f667b | Giorgos Korfiatis | from django.core.management.base import BaseCommand, CommandError |
38 | bd1f667b | Giorgos Korfiatis | from django.utils import simplejson as json |
39 | bd1f667b | Giorgos Korfiatis | |
40 | 38807757 | Giorgos Korfiatis | from astakos.im.register import add_service, add_resource, RegisterException |
41 | bd1f667b | Giorgos Korfiatis | from astakos.im.models import Component |
42 | c25f5ed0 | Giorgos Korfiatis | from ._common import read_from_file |
43 | bd1f667b | Giorgos Korfiatis | |
44 | bd1f667b | Giorgos Korfiatis | |
45 | bd1f667b | Giorgos Korfiatis | class Command(BaseCommand): |
46 | bd1f667b | Giorgos Korfiatis | help = "Register services"
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47 | bd1f667b | Giorgos Korfiatis | |
48 | bd1f667b | Giorgos Korfiatis | option_list = BaseCommand.option_list + ( |
49 | bd1f667b | Giorgos Korfiatis | make_option('--json',
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50 | bd1f667b | Giorgos Korfiatis | dest='json',
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51 | bd1f667b | Giorgos Korfiatis | metavar='<json.file>',
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52 | bd1f667b | Giorgos Korfiatis | help="Load service definitions from a json file"),
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53 | bd1f667b | Giorgos Korfiatis | ) |
54 | bd1f667b | Giorgos Korfiatis | |
55 | a3e3917f | Giorgos Korfiatis | @transaction.commit_on_success
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56 | bd1f667b | Giorgos Korfiatis | def handle(self, *args, **options): |
57 | bd1f667b | Giorgos Korfiatis | |
58 | bd1f667b | Giorgos Korfiatis | json_file = options['json']
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59 | bd1f667b | Giorgos Korfiatis | if not json_file: |
60 | bd1f667b | Giorgos Korfiatis | m = "Expecting option --json."
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61 | bd1f667b | Giorgos Korfiatis | raise CommandError(m)
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62 | bd1f667b | Giorgos Korfiatis | |
63 | bd1f667b | Giorgos Korfiatis | else:
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64 | c25f5ed0 | Giorgos Korfiatis | data = read_from_file(json_file) |
65 | c25f5ed0 | Giorgos Korfiatis | m = ('Input should be a JSON dict mapping service names '
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66 | c25f5ed0 | Giorgos Korfiatis | 'to definitions.')
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67 | c25f5ed0 | Giorgos Korfiatis | try:
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68 | c25f5ed0 | Giorgos Korfiatis | data = json.loads(data) |
69 | c25f5ed0 | Giorgos Korfiatis | except json.JSONDecodeError:
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70 | c25f5ed0 | Giorgos Korfiatis | raise CommandError(m)
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71 | c25f5ed0 | Giorgos Korfiatis | if not isinstance(data, dict): |
72 | c25f5ed0 | Giorgos Korfiatis | raise CommandError(m)
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73 | bd1f667b | Giorgos Korfiatis | self.add_services(data)
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74 | bd1f667b | Giorgos Korfiatis | |
75 | bd1f667b | Giorgos Korfiatis | def add_services(self, data): |
76 | d9a7f0bb | Giorgos Korfiatis | write = self.stderr.write
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77 | bd1f667b | Giorgos Korfiatis | output = [] |
78 | bd1f667b | Giorgos Korfiatis | for name, service_dict in data.iteritems(): |
79 | bd1f667b | Giorgos Korfiatis | try:
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80 | bd1f667b | Giorgos Korfiatis | component_name = service_dict['component']
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81 | bd1f667b | Giorgos Korfiatis | service_type = service_dict['type']
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82 | bd1f667b | Giorgos Korfiatis | endpoints = service_dict['endpoints']
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83 | bd1f667b | Giorgos Korfiatis | except KeyError: |
84 | bd1f667b | Giorgos Korfiatis | raise CommandError('Malformed service definition.') |
85 | bd1f667b | Giorgos Korfiatis | |
86 | bd1f667b | Giorgos Korfiatis | try:
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87 | bd1f667b | Giorgos Korfiatis | component = Component.objects.get(name=component_name) |
88 | bd1f667b | Giorgos Korfiatis | except Component.DoesNotExist:
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89 | bd1f667b | Giorgos Korfiatis | m = "Component '%s' is not registered." % component_name
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90 | bd1f667b | Giorgos Korfiatis | raise CommandError(m)
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91 | bd1f667b | Giorgos Korfiatis | |
92 | bd1f667b | Giorgos Korfiatis | try:
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93 | eb765213 | Giorgos Korfiatis | existed = add_service(component, name, service_type, endpoints, |
94 | d9a7f0bb | Giorgos Korfiatis | out=self.stderr)
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95 | 38807757 | Giorgos Korfiatis | except RegisterException as e: |
96 | bd1f667b | Giorgos Korfiatis | raise CommandError(e.message)
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97 | bd1f667b | Giorgos Korfiatis | |
98 | bd1f667b | Giorgos Korfiatis | m = "%s service %s.\n" % ("Updated" if existed else "Added", name) |
99 | bd1f667b | Giorgos Korfiatis | output.append(m) |
100 | bd1f667b | Giorgos Korfiatis | |
101 | 38807757 | Giorgos Korfiatis | resources = service_dict.get('resources', {}).values()
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102 | 38807757 | Giorgos Korfiatis | for resource in resources: |
103 | 38807757 | Giorgos Korfiatis | if not isinstance(resource, dict): |
104 | 38807757 | Giorgos Korfiatis | raise CommandError("Malformed resource dict.") |
105 | 38807757 | Giorgos Korfiatis | |
106 | 38807757 | Giorgos Korfiatis | service_origin = resource.get('service_origin')
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107 | 38807757 | Giorgos Korfiatis | if name != service_origin:
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108 | 38807757 | Giorgos Korfiatis | raise CommandError("service_origin mismatch.") |
109 | 38807757 | Giorgos Korfiatis | try:
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110 | 38807757 | Giorgos Korfiatis | r, exists = add_resource(resource) |
111 | 38807757 | Giorgos Korfiatis | except RegisterException as e: |
112 | 38807757 | Giorgos Korfiatis | raise CommandError(e.message)
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113 | 38807757 | Giorgos Korfiatis | if exists:
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114 | 38807757 | Giorgos Korfiatis | m = "Resource '%s' updated in database.\n" % (r.name)
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115 | 38807757 | Giorgos Korfiatis | else:
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116 | 2e46be99 | Giorgos Korfiatis | m = ("Resource '%s' created in database with unlimited "
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117 | 2e46be99 | Giorgos Korfiatis | "quota.\n" % (r.name))
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118 | 38807757 | Giorgos Korfiatis | output.append(m) |
119 | 38807757 | Giorgos Korfiatis | |
120 | bd1f667b | Giorgos Korfiatis | for line in output: |
121 | bd1f667b | Giorgos Korfiatis | write(line) |