root / snf-common / synnefo / lib / services.py @ 381a548c
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1 | 3ab15f84 | Georgios D. Tsoukalas | # Copyright 2013 GRNET S.A. All rights reserved.
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2 | 3ab15f84 | Georgios D. Tsoukalas | #
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3 | 3ab15f84 | Georgios D. Tsoukalas | # Redistribution and use in source and binary forms, with or
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4 | 3ab15f84 | Georgios D. Tsoukalas | # without modification, are permitted provided that the following
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5 | 3ab15f84 | Georgios D. Tsoukalas | # conditions are met:
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6 | 3ab15f84 | Georgios D. Tsoukalas | #
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7 | 3ab15f84 | Georgios D. Tsoukalas | # 1. Redistributions of source code must retain the above
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8 | 3ab15f84 | Georgios D. Tsoukalas | # copyright notice, this list of conditions and the following
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9 | 3ab15f84 | Georgios D. Tsoukalas | # disclaimer.
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10 | 3ab15f84 | Georgios D. Tsoukalas | #
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11 | 3ab15f84 | Georgios D. Tsoukalas | # 2. Redistributions in binary form must reproduce the above
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12 | 3ab15f84 | Georgios D. Tsoukalas | # copyright notice, this list of conditions and the following
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13 | 3ab15f84 | Georgios D. Tsoukalas | # disclaimer in the documentation and/or other materials
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14 | 3ab15f84 | Georgios D. Tsoukalas | # provided with the distribution.
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15 | 3ab15f84 | Georgios D. Tsoukalas | #
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16 | 3ab15f84 | Georgios D. Tsoukalas | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 3ab15f84 | Georgios D. Tsoukalas | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 3ab15f84 | Georgios D. Tsoukalas | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 3ab15f84 | Georgios D. Tsoukalas | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 3ab15f84 | Georgios D. Tsoukalas | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 3ab15f84 | Georgios D. Tsoukalas | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 3ab15f84 | Georgios D. Tsoukalas | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 3ab15f84 | Georgios D. Tsoukalas | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 3ab15f84 | Georgios D. Tsoukalas | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 3ab15f84 | Georgios D. Tsoukalas | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 3ab15f84 | Georgios D. Tsoukalas | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 3ab15f84 | Georgios D. Tsoukalas | # POSSIBILITY OF SUCH DAMAGE.
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28 | 3ab15f84 | Georgios D. Tsoukalas | #
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29 | 3ab15f84 | Georgios D. Tsoukalas | # The views and conclusions contained in the software and
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30 | 3ab15f84 | Georgios D. Tsoukalas | # documentation are those of the authors and should not be
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31 | 3ab15f84 | Georgios D. Tsoukalas | # interpreted as representing official policies, either expressed
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32 | 3ab15f84 | Georgios D. Tsoukalas | # or implied, of GRNET S.A.
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33 | 3ab15f84 | Georgios D. Tsoukalas | |
34 | b55b9692 | Giorgos Korfiatis | from copy import deepcopy |
35 | 3ab15f84 | Georgios D. Tsoukalas | from synnefo.lib import join_urls |
36 | 3ab15f84 | Georgios D. Tsoukalas | from synnefo.util.keypath import get_path, set_path |
37 | 51057b1a | Georgios D. Tsoukalas | from urlparse import urlparse |
38 | 3ab15f84 | Georgios D. Tsoukalas | |
39 | 3ab15f84 | Georgios D. Tsoukalas | |
40 | 4080a1df | Georgios D. Tsoukalas | def fill_endpoints(services, base_url): |
41 | 3ab15f84 | Georgios D. Tsoukalas | for name, service in services.iteritems(): |
42 | 3ab15f84 | Georgios D. Tsoukalas | prefix = get_path(service, 'prefix')
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43 | 3ab15f84 | Georgios D. Tsoukalas | endpoints = get_path(service, 'endpoints')
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44 | 4080a1df | Georgios D. Tsoukalas | for endpoint in endpoints: |
45 | 4080a1df | Georgios D. Tsoukalas | version = get_path(endpoint, 'versionId')
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46 | 4080a1df | Georgios D. Tsoukalas | publicURL = get_path(endpoint, 'publicURL')
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47 | 3ab15f84 | Georgios D. Tsoukalas | if publicURL is not None: |
48 | 3ab15f84 | Georgios D. Tsoukalas | continue
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49 | 3ab15f84 | Georgios D. Tsoukalas | |
50 | 347b2ba1 | Giorgos Korfiatis | publicURL = join_urls(base_url, prefix, version).rstrip('/')
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51 | 4080a1df | Georgios D. Tsoukalas | set_path(endpoint, 'publicURL', publicURL)
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52 | b55b9692 | Giorgos Korfiatis | |
53 | b55b9692 | Giorgos Korfiatis | |
54 | b55b9692 | Giorgos Korfiatis | def filter_public(services): |
55 | b55b9692 | Giorgos Korfiatis | public_services = {} |
56 | b55b9692 | Giorgos Korfiatis | for name, service in services.iteritems(): |
57 | b55b9692 | Giorgos Korfiatis | if service.get('public', False): |
58 | b55b9692 | Giorgos Korfiatis | public_services[name] = deepcopy(service) |
59 | b55b9692 | Giorgos Korfiatis | return public_services
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60 | 2e26966f | Georgios D. Tsoukalas | |
61 | 2e26966f | Georgios D. Tsoukalas | |
62 | 2e26966f | Georgios D. Tsoukalas | def get_public_endpoint(services, service_type, version=None): |
63 | 2e26966f | Georgios D. Tsoukalas | found_endpoints = {} |
64 | 2e26966f | Georgios D. Tsoukalas | for service_name, service in services.iteritems(): |
65 | 2e26966f | Georgios D. Tsoukalas | if service_type != service['type']: |
66 | 2e26966f | Georgios D. Tsoukalas | continue
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67 | 2e26966f | Georgios D. Tsoukalas | |
68 | 2e26966f | Georgios D. Tsoukalas | for endpoint in service['endpoints']: |
69 | 2e26966f | Georgios D. Tsoukalas | endpoint_version = endpoint['versionId']
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70 | 2e26966f | Georgios D. Tsoukalas | if version is not None: |
71 | 2e26966f | Georgios D. Tsoukalas | if version != endpoint_version:
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72 | 2e26966f | Georgios D. Tsoukalas | continue
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73 | 2e26966f | Georgios D. Tsoukalas | found_endpoints[endpoint_version] = endpoint |
74 | 2e26966f | Georgios D. Tsoukalas | |
75 | 2e26966f | Georgios D. Tsoukalas | if not found_endpoints: |
76 | 2e26966f | Georgios D. Tsoukalas | m = "No endpoint found for service type '{0}'".format(service_type)
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77 | 2e26966f | Georgios D. Tsoukalas | if version is not None: |
78 | 2e26966f | Georgios D. Tsoukalas | m += " and version '{0}'".format(version)
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79 | 2e26966f | Georgios D. Tsoukalas | raise ValueError(m) |
80 | 2e26966f | Georgios D. Tsoukalas | |
81 | 2e26966f | Georgios D. Tsoukalas | selected = sorted(found_endpoints.keys())[-1] |
82 | 2e26966f | Georgios D. Tsoukalas | return found_endpoints[selected]['publicURL'] |
83 | 51057b1a | Georgios D. Tsoukalas | |
84 | 51057b1a | Georgios D. Tsoukalas | |
85 | 51057b1a | Georgios D. Tsoukalas | def get_service_path(services, service_type, version=None): |
86 | 51057b1a | Georgios D. Tsoukalas | service_url = get_public_endpoint(services, service_type, version=version) |
87 | 347b2ba1 | Giorgos Korfiatis | return urlparse(service_url).path.rstrip('/') |