root / snf-cyclades-app / synnefo / volume / views.py @ 19b2c29d
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1 | 79a1e9bd | Christos Stavrakakis | # Copyright 2013 GRNET S.A. All rights reserved.
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2 | 79a1e9bd | Christos Stavrakakis | #
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3 | 79a1e9bd | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | 79a1e9bd | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | 79a1e9bd | Christos Stavrakakis | # conditions are met:
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6 | 79a1e9bd | Christos Stavrakakis | #
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7 | 79a1e9bd | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | 79a1e9bd | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | 79a1e9bd | Christos Stavrakakis | # disclaimer.
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10 | 79a1e9bd | Christos Stavrakakis | #
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11 | 79a1e9bd | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | 79a1e9bd | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | 79a1e9bd | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | 79a1e9bd | Christos Stavrakakis | # provided with the distribution.
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15 | 79a1e9bd | Christos Stavrakakis | #
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16 | 79a1e9bd | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 79a1e9bd | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 79a1e9bd | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 79a1e9bd | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 79a1e9bd | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 79a1e9bd | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 79a1e9bd | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 79a1e9bd | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 79a1e9bd | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 79a1e9bd | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 79a1e9bd | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 79a1e9bd | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 79a1e9bd | Christos Stavrakakis | #
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29 | 79a1e9bd | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | 79a1e9bd | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | 79a1e9bd | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | 79a1e9bd | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | 79a1e9bd | Christos Stavrakakis | |
34 | 79a1e9bd | Christos Stavrakakis | from itertools import ifilter |
35 | 79a1e9bd | Christos Stavrakakis | from logging import getLogger |
36 | 79a1e9bd | Christos Stavrakakis | from django.http import HttpResponse |
37 | 79a1e9bd | Christos Stavrakakis | from django.utils import simplejson as json |
38 | 79a1e9bd | Christos Stavrakakis | |
39 | 79a1e9bd | Christos Stavrakakis | import datetime |
40 | 79a1e9bd | Christos Stavrakakis | from dateutil.parser import parse as date_parse |
41 | 79a1e9bd | Christos Stavrakakis | |
42 | 79a1e9bd | Christos Stavrakakis | from snf_django.lib import api |
43 | 79a1e9bd | Christos Stavrakakis | from snf_django.lib.api import faults, utils |
44 | 79a1e9bd | Christos Stavrakakis | |
45 | 79a1e9bd | Christos Stavrakakis | from synnefo.volume import volumes, snapshots, util |
46 | 79a1e9bd | Christos Stavrakakis | from synnefo.db.models import Volume |
47 | 79a1e9bd | Christos Stavrakakis | from synnefo.plankton.utils import image_backend |
48 | 79a1e9bd | Christos Stavrakakis | log = getLogger('synnefo.volume')
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49 | 79a1e9bd | Christos Stavrakakis | |
50 | 79a1e9bd | Christos Stavrakakis | |
51 | 79a1e9bd | Christos Stavrakakis | def display_null_field(field): |
52 | 79a1e9bd | Christos Stavrakakis | if field is None: |
53 | 79a1e9bd | Christos Stavrakakis | return None |
54 | 79a1e9bd | Christos Stavrakakis | else:
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55 | 79a1e9bd | Christos Stavrakakis | str(field)
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56 | 79a1e9bd | Christos Stavrakakis | |
57 | 79a1e9bd | Christos Stavrakakis | |
58 | 79a1e9bd | Christos Stavrakakis | def volume_to_dict(volume, detail=True): |
59 | 79a1e9bd | Christos Stavrakakis | data = { |
60 | 79a1e9bd | Christos Stavrakakis | "id": str(volume.id), |
61 | 79a1e9bd | Christos Stavrakakis | "name": display_null_field(volume.name),
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62 | 79a1e9bd | Christos Stavrakakis | # TODO: Links!
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63 | 79a1e9bd | Christos Stavrakakis | "links": "", |
64 | 79a1e9bd | Christos Stavrakakis | } |
65 | 79a1e9bd | Christos Stavrakakis | if detail:
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66 | 79a1e9bd | Christos Stavrakakis | details = { |
67 | 79a1e9bd | Christos Stavrakakis | "status": volume.status.lower(),
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68 | 79a1e9bd | Christos Stavrakakis | "size": volume.size,
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69 | 79a1e9bd | Christos Stavrakakis | "description": volume.description,
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70 | 79a1e9bd | Christos Stavrakakis | "created_at": utils.isoformat(volume.created),
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71 | 79a1e9bd | Christos Stavrakakis | "metadata": dict((m.key, m.value) for m in volume.metadata.all()), |
72 | 79a1e9bd | Christos Stavrakakis | "snapshot_id": display_null_field(volume.source_snapshot_id),
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73 | 79a1e9bd | Christos Stavrakakis | "source_volid": display_null_field(volume.source_volume_id),
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74 | 79a1e9bd | Christos Stavrakakis | "image_id": display_null_field(volume.source_image_id),
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75 | 79a1e9bd | Christos Stavrakakis | "attachments": get_volume_attachments(volume),
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76 | 79a1e9bd | Christos Stavrakakis | # TODO:
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77 | 79a1e9bd | Christos Stavrakakis | "volume_type": None, |
78 | 79a1e9bd | Christos Stavrakakis | #"availabilit_zone": None,
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79 | 79a1e9bd | Christos Stavrakakis | #"bootable": None,
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80 | 79a1e9bd | Christos Stavrakakis | #"os-vol-tenant-attr:tenant_id": None,
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81 | 79a1e9bd | Christos Stavrakakis | #"os-vol-host-attr:host": None,
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82 | 79a1e9bd | Christos Stavrakakis | #"os-vol-mig-status-attr:name_id": None,
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83 | 79a1e9bd | Christos Stavrakakis | #"os-vol-mig-status-attr:migstat": None,
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84 | 79a1e9bd | Christos Stavrakakis | } |
85 | 79a1e9bd | Christos Stavrakakis | data.update(details) |
86 | 79a1e9bd | Christos Stavrakakis | return data
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87 | 79a1e9bd | Christos Stavrakakis | |
88 | 79a1e9bd | Christos Stavrakakis | |
89 | 79a1e9bd | Christos Stavrakakis | def get_volume_attachments(volume): |
90 | 79a1e9bd | Christos Stavrakakis | if volume.machine_id is None: |
91 | 79a1e9bd | Christos Stavrakakis | return []
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92 | 79a1e9bd | Christos Stavrakakis | else:
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93 | 79a1e9bd | Christos Stavrakakis | return [{"server_id": volume.machine_id, |
94 | 79a1e9bd | Christos Stavrakakis | "volume_id": volume.id,
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95 | 79a1e9bd | Christos Stavrakakis | "device_index": volume.index}]
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96 | 79a1e9bd | Christos Stavrakakis | |
97 | 79a1e9bd | Christos Stavrakakis | |
98 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="POST", user_required=True, logger=log) |
99 | 79a1e9bd | Christos Stavrakakis | def create_volume(request): |
100 | 79a1e9bd | Christos Stavrakakis | """Create a new Volume."""
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101 | 79a1e9bd | Christos Stavrakakis | |
102 | 79a1e9bd | Christos Stavrakakis | req = utils.get_request_dict(request) |
103 | 79a1e9bd | Christos Stavrakakis | log.debug("create_volume %s", req)
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104 | 79a1e9bd | Christos Stavrakakis | user_id = request.user_uniq |
105 | 4944a1f8 | Christos Stavrakakis | |
106 | 4944a1f8 | Christos Stavrakakis | new_volume = req.get("volume")
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107 | 4944a1f8 | Christos Stavrakakis | if new_volume is None: |
108 | 4944a1f8 | Christos Stavrakakis | raise faults.BadRequest("Missing 'volume' attribute.") |
109 | 4944a1f8 | Christos Stavrakakis | |
110 | 79a1e9bd | Christos Stavrakakis | # Get and validate 'name' parameter
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111 | 79a1e9bd | Christos Stavrakakis | # TODO: auto generate name
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112 | 4944a1f8 | Christos Stavrakakis | name = new_volume.get("name", None) |
113 | 79a1e9bd | Christos Stavrakakis | if name is None: |
114 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("Volume 'name' is needed.") |
115 | 79a1e9bd | Christos Stavrakakis | # Get and validate 'size' parameter
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116 | 4944a1f8 | Christos Stavrakakis | size = new_volume.get("size")
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117 | 79a1e9bd | Christos Stavrakakis | if size is None: |
118 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("Volume 'size' is needed.") |
119 | 79a1e9bd | Christos Stavrakakis | try:
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120 | 79a1e9bd | Christos Stavrakakis | size = int(size)
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121 | 79a1e9bd | Christos Stavrakakis | if size <= 0: |
122 | 79a1e9bd | Christos Stavrakakis | raise ValueError |
123 | 79a1e9bd | Christos Stavrakakis | except ValueError: |
124 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("Volume 'size' needs to be a positive integer" |
125 | 79a1e9bd | Christos Stavrakakis | " value. '%s' cannot be accepted." % size)
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126 | 79a1e9bd | Christos Stavrakakis | |
127 | 79a1e9bd | Christos Stavrakakis | # TODO: Fix volume type, validate, etc..
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128 | 4944a1f8 | Christos Stavrakakis | volume_type = new_volume.get("volume_type", None) |
129 | 79a1e9bd | Christos Stavrakakis | |
130 | 79a1e9bd | Christos Stavrakakis | # Optional parameters
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131 | 4944a1f8 | Christos Stavrakakis | description = new_volume.get("description", "") |
132 | 4944a1f8 | Christos Stavrakakis | metadata = new_volume.get("metadata", {})
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133 | 79a1e9bd | Christos Stavrakakis | if not isinstance(metadata, dict): |
134 | 79a1e9bd | Christos Stavrakakis | msg = "Volume 'metadata' needs to be a dictionary of key-value pairs."\
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135 | 79a1e9bd | Christos Stavrakakis | " '%s' can not be accepted." % metadata
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136 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest(msg)
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137 | 79a1e9bd | Christos Stavrakakis | |
138 | 79a1e9bd | Christos Stavrakakis | # Id of the volume to clone from
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139 | 4944a1f8 | Christos Stavrakakis | source_volume_id = new_volume.get("source_volid")
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140 | 79a1e9bd | Christos Stavrakakis | # Id of the snapshot to create the volume from
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141 | 4944a1f8 | Christos Stavrakakis | source_snapshot_id = new_volume.get("snapshot_id")
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142 | 79a1e9bd | Christos Stavrakakis | # Reference to an Image stored in Glance
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143 | 4944a1f8 | Christos Stavrakakis | source_image_id = new_volume.get("imageRef")
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144 | 79a1e9bd | Christos Stavrakakis | # TODO: Check that not all of them are used
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145 | 79a1e9bd | Christos Stavrakakis | |
146 | 4944a1f8 | Christos Stavrakakis | server_id = new_volume.get("server_id")
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147 | 79a1e9bd | Christos Stavrakakis | if server_id is None: |
148 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("Attribute 'server_id' is mandatory") |
149 | 79a1e9bd | Christos Stavrakakis | |
150 | 79a1e9bd | Christos Stavrakakis | # Create the volume
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151 | 79a1e9bd | Christos Stavrakakis | volume = volumes.create(user_id=user_id, size=size, name=name, |
152 | 79a1e9bd | Christos Stavrakakis | source_volume_id=source_volume_id, |
153 | 79a1e9bd | Christos Stavrakakis | source_snapshot_id=source_snapshot_id, |
154 | 79a1e9bd | Christos Stavrakakis | source_image_id=source_image_id, |
155 | 79a1e9bd | Christos Stavrakakis | volume_type=volume_type, description=description, |
156 | 79a1e9bd | Christos Stavrakakis | metadata=metadata, server_id=server_id) |
157 | 79a1e9bd | Christos Stavrakakis | |
158 | 79a1e9bd | Christos Stavrakakis | # Render response
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159 | 79a1e9bd | Christos Stavrakakis | data = json.dumps(dict(volume=volume_to_dict(volume, detail=False))) |
160 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, status=200) |
161 | 79a1e9bd | Christos Stavrakakis | |
162 | 79a1e9bd | Christos Stavrakakis | |
163 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="GET", user_required=True, logger=log) |
164 | 79a1e9bd | Christos Stavrakakis | def list_volumes(request, detail=False): |
165 | 79a1e9bd | Christos Stavrakakis | log.debug('list_volumes detail=%s', detail)
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166 | 79a1e9bd | Christos Stavrakakis | volumes = Volume.objects.filter(userid=request.user_uniq) |
167 | 79a1e9bd | Christos Stavrakakis | |
168 | 79a1e9bd | Christos Stavrakakis | since = utils.isoparse(request.GET.get('changes-since'))
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169 | 79a1e9bd | Christos Stavrakakis | if since:
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170 | 79a1e9bd | Christos Stavrakakis | volumes = volumes.filter(updated__gte=since) |
171 | 79a1e9bd | Christos Stavrakakis | if not volumes: |
172 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(status=304) |
173 | 79a1e9bd | Christos Stavrakakis | else:
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174 | 79a1e9bd | Christos Stavrakakis | volumes = volumes.filter(deleted=False)
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175 | 79a1e9bd | Christos Stavrakakis | |
176 | 79a1e9bd | Christos Stavrakakis | volumes = [volume_to_dict(v, detail) for v in volumes.order_by("id")] |
177 | 79a1e9bd | Christos Stavrakakis | |
178 | 79a1e9bd | Christos Stavrakakis | data = json.dumps({'volumes': volumes})
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179 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, content_type="application/json", status=200) |
180 | 79a1e9bd | Christos Stavrakakis | |
181 | 79a1e9bd | Christos Stavrakakis | |
182 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="DELETE", user_required=True, logger=log) |
183 | 79a1e9bd | Christos Stavrakakis | def delete_volume(request, volume_id): |
184 | 79a1e9bd | Christos Stavrakakis | log.debug("delete_volume volume_id: %s", volume_id)
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185 | 79a1e9bd | Christos Stavrakakis | |
186 | 79a1e9bd | Christos Stavrakakis | volume = util.get.volume(request.user_uniq, volume_id, for_update=True)
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187 | 79a1e9bd | Christos Stavrakakis | volumes.delete(volume) |
188 | 79a1e9bd | Christos Stavrakakis | |
189 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(status=202) |
190 | 79a1e9bd | Christos Stavrakakis | |
191 | 79a1e9bd | Christos Stavrakakis | |
192 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="GET", user_required=True, logger=log) |
193 | 79a1e9bd | Christos Stavrakakis | def get_volume(request, volume_id): |
194 | 79a1e9bd | Christos Stavrakakis | log.debug('get_volume volume_id: %s', volume_id)
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195 | 79a1e9bd | Christos Stavrakakis | |
196 | 79a1e9bd | Christos Stavrakakis | volume = util.get.volume(request.user_uniq, volume_id) |
197 | 79a1e9bd | Christos Stavrakakis | |
198 | 79a1e9bd | Christos Stavrakakis | data = json.dumps({'volume': volume_to_dict(volume, detail=True)}) |
199 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, content_type="application/json", status=200) |
200 | 79a1e9bd | Christos Stavrakakis | |
201 | 79a1e9bd | Christos Stavrakakis | |
202 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="PUT", user_required=True, logger=log) |
203 | 79a1e9bd | Christos Stavrakakis | def update_volume(request, volume_id): |
204 | 79a1e9bd | Christos Stavrakakis | req = utils.get_request_dict(request) |
205 | 79a1e9bd | Christos Stavrakakis | log.debug('update_volume volume_id: %s, request: %s', volume_id, req)
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206 | 79a1e9bd | Christos Stavrakakis | |
207 | 79a1e9bd | Christos Stavrakakis | volume = util.get.volume(request.user_uniq, volume_id, for_update=True)
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208 | 79a1e9bd | Christos Stavrakakis | |
209 | 79a1e9bd | Christos Stavrakakis | new_name = req.get("name")
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210 | 79a1e9bd | Christos Stavrakakis | description = req.get("description")
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211 | 79a1e9bd | Christos Stavrakakis | |
212 | 79a1e9bd | Christos Stavrakakis | if new_name is None and description is None: |
213 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("Nothing to update.") |
214 | 79a1e9bd | Christos Stavrakakis | |
215 | 79a1e9bd | Christos Stavrakakis | if new_name is not None: |
216 | 79a1e9bd | Christos Stavrakakis | volume = volumes.rename(volume, new_name) |
217 | 79a1e9bd | Christos Stavrakakis | if description is not None: |
218 | 79a1e9bd | Christos Stavrakakis | volume = volumes.update_description(volume, description) |
219 | 79a1e9bd | Christos Stavrakakis | data = json.dumps({'volume': volume_to_dict(volume, detail=True)}) |
220 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, content_type="application/json", status=200) |
221 | 79a1e9bd | Christos Stavrakakis | |
222 | 79a1e9bd | Christos Stavrakakis | |
223 | 79a1e9bd | Christos Stavrakakis | def snapshot_to_dict(snapshot, detail=True): |
224 | 4944a1f8 | Christos Stavrakakis | owner = snapshot['owner']
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225 | 4944a1f8 | Christos Stavrakakis | status = snapshot['status']
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226 | 4944a1f8 | Christos Stavrakakis | progress = "%s%%" % 100 if status == "ACTIVE" else 0 |
227 | 4944a1f8 | Christos Stavrakakis | |
228 | 79a1e9bd | Christos Stavrakakis | data = { |
229 | 79a1e9bd | Christos Stavrakakis | "id": snapshot["uuid"], |
230 | 79a1e9bd | Christos Stavrakakis | "size": int(snapshot["size"]) >> 30, # gigabytes |
231 | 79a1e9bd | Christos Stavrakakis | "name": snapshot["name"], |
232 | 79a1e9bd | Christos Stavrakakis | "description": snapshot["description"], |
233 | 79a1e9bd | Christos Stavrakakis | "status": status,
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234 | 79a1e9bd | Christos Stavrakakis | "user_id": owner,
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235 | 79a1e9bd | Christos Stavrakakis | "tenant_id": owner,
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236 | 79a1e9bd | Christos Stavrakakis | "os-extended-snapshot-attribute:progress": progress,
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237 | 79a1e9bd | Christos Stavrakakis | #"os-extended-snapshot-attribute:project_id": project,
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238 | 79a1e9bd | Christos Stavrakakis | "created_at": utils.isoformat(date_parse(snapshot["created_at"])), |
239 | 79a1e9bd | Christos Stavrakakis | "metadata": snapshot.get("metadata", {}), |
240 | 79a1e9bd | Christos Stavrakakis | "volume_id": snapshot.get("volume_id"), |
241 | 79a1e9bd | Christos Stavrakakis | "links": "", # TODO fix links |
242 | 79a1e9bd | Christos Stavrakakis | } |
243 | 79a1e9bd | Christos Stavrakakis | return data
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244 | 79a1e9bd | Christos Stavrakakis | |
245 | 79a1e9bd | Christos Stavrakakis | |
246 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="POST", user_required=True, logger=log) |
247 | 79a1e9bd | Christos Stavrakakis | def create_snapshot(request): |
248 | 79a1e9bd | Christos Stavrakakis | """Create a new Snapshot."""
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249 | 79a1e9bd | Christos Stavrakakis | |
250 | 79a1e9bd | Christos Stavrakakis | req = utils.get_request_dict(request) |
251 | 79a1e9bd | Christos Stavrakakis | log.debug("create_snapshot %s", req)
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252 | 79a1e9bd | Christos Stavrakakis | user_id = request.user_uniq |
253 | 4944a1f8 | Christos Stavrakakis | |
254 | 4944a1f8 | Christos Stavrakakis | new_snapshot = req.get("snapshot")
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255 | 4944a1f8 | Christos Stavrakakis | if new_snapshot is None: |
256 | 4944a1f8 | Christos Stavrakakis | raise faults.BadRequest("Missing 'snapshot' attribute.") |
257 | 4944a1f8 | Christos Stavrakakis | |
258 | 79a1e9bd | Christos Stavrakakis | # Get and validate 'name' parameter
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259 | 79a1e9bd | Christos Stavrakakis | # TODO: auto generate name
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260 | 4944a1f8 | Christos Stavrakakis | metadata = new_snapshot.get("metadata", {})
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261 | 79a1e9bd | Christos Stavrakakis | if not isinstance(metadata, dict): |
262 | 79a1e9bd | Christos Stavrakakis | msg = "Snapshot 'metadata' needs to be a dictionary of key-value"\
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263 | 79a1e9bd | Christos Stavrakakis | " pairs. '%s' can not be accepted." % metadata
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264 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest(msg)
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265 | 79a1e9bd | Christos Stavrakakis | |
266 | 4944a1f8 | Christos Stavrakakis | volume_id = new_snapshot.get("volume_id", None) |
267 | 79a1e9bd | Christos Stavrakakis | if volume_id is None: |
268 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("'volume_id' attribute is missing.") |
269 | 79a1e9bd | Christos Stavrakakis | volume = util.get_volume(user_id, volume_id, for_update=True,
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270 | 79a1e9bd | Christos Stavrakakis | exception=faults.BadRequest) |
271 | 79a1e9bd | Christos Stavrakakis | |
272 | 4944a1f8 | Christos Stavrakakis | name = new_snapshot.get("name", None) |
273 | 79a1e9bd | Christos Stavrakakis | if name is None: |
274 | 79a1e9bd | Christos Stavrakakis | name = "snapshot_volume_%s_%s" %\
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275 | 79a1e9bd | Christos Stavrakakis | (volume.id, str(datetime.datetime.now()))
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276 | 4944a1f8 | Christos Stavrakakis | description = new_snapshot.get("description", "") |
277 | 79a1e9bd | Christos Stavrakakis | |
278 | 79a1e9bd | Christos Stavrakakis | # TODO: What to do with force ?
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279 | 4944a1f8 | Christos Stavrakakis | force = new_snapshot.get("force", False) |
280 | 79a1e9bd | Christos Stavrakakis | if not isinstance(force, bool): |
281 | 79a1e9bd | Christos Stavrakakis | raise faults.BadRequest("Invalid value for 'force' attribute.") |
282 | 79a1e9bd | Christos Stavrakakis | |
283 | 79a1e9bd | Christos Stavrakakis | snapshot = snapshots.create(user_id=user_id, volume=volume, name=name, |
284 | 79a1e9bd | Christos Stavrakakis | description=description, metadata=metadata, |
285 | 79a1e9bd | Christos Stavrakakis | force=force) |
286 | 79a1e9bd | Christos Stavrakakis | |
287 | 79a1e9bd | Christos Stavrakakis | # Render response
|
288 | 79a1e9bd | Christos Stavrakakis | data = json.dumps(dict(snapshot=snapshot_to_dict(snapshot, detail=False))) |
289 | 4944a1f8 | Christos Stavrakakis | return HttpResponse(data, status=202) |
290 | 79a1e9bd | Christos Stavrakakis | |
291 | 79a1e9bd | Christos Stavrakakis | |
292 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="GET", user_required=True, logger=log) |
293 | 79a1e9bd | Christos Stavrakakis | def list_snapshots(request, detail=False): |
294 | 79a1e9bd | Christos Stavrakakis | log.debug('list_snapshots detail=%s', detail)
|
295 | 79a1e9bd | Christos Stavrakakis | since = utils.isoparse(request.GET.get('changes-since'))
|
296 | 79a1e9bd | Christos Stavrakakis | with image_backend(request.user_uniq) as backend: |
297 | 79a1e9bd | Christos Stavrakakis | snapshots = backend.list_snapshots() |
298 | 79a1e9bd | Christos Stavrakakis | if since:
|
299 | 79a1e9bd | Christos Stavrakakis | updated_since = lambda snap:\
|
300 | 79a1e9bd | Christos Stavrakakis | date_parse(snap["updated_at"]) >= since
|
301 | 79a1e9bd | Christos Stavrakakis | snapshots = ifilter(updated_since, snapshots) |
302 | 79a1e9bd | Christos Stavrakakis | if not snapshots: |
303 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(status=304) |
304 | 79a1e9bd | Christos Stavrakakis | |
305 | 79a1e9bd | Christos Stavrakakis | snapshots = sorted(snapshots, key=lambda x: x['id']) |
306 | 79a1e9bd | Christos Stavrakakis | snapshots_dict = [snapshot_to_dict(snapshot, detail) |
307 | 79a1e9bd | Christos Stavrakakis | for snapshot in snapshots] |
308 | 79a1e9bd | Christos Stavrakakis | |
309 | 79a1e9bd | Christos Stavrakakis | data = json.dumps(dict(snapshots=snapshots_dict))
|
310 | 79a1e9bd | Christos Stavrakakis | |
311 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, status=200) |
312 | 79a1e9bd | Christos Stavrakakis | |
313 | 79a1e9bd | Christos Stavrakakis | |
314 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="DELETE", user_required=True, logger=log) |
315 | 79a1e9bd | Christos Stavrakakis | def delete_snapshot(request, snapshot_id): |
316 | 79a1e9bd | Christos Stavrakakis | log.debug("delete_snapshot snapshot_id: %s", snapshot_id)
|
317 | 79a1e9bd | Christos Stavrakakis | |
318 | 79a1e9bd | Christos Stavrakakis | snapshot = util.get_snapshot(request.user_uniq, snapshot_id) |
319 | 79a1e9bd | Christos Stavrakakis | snapshots.delete(snapshot) |
320 | 79a1e9bd | Christos Stavrakakis | |
321 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(status=202) |
322 | 79a1e9bd | Christos Stavrakakis | |
323 | 79a1e9bd | Christos Stavrakakis | |
324 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="GET", user_required=True, logger=log) |
325 | 79a1e9bd | Christos Stavrakakis | def get_snapshot(request, snapshot_id): |
326 | 79a1e9bd | Christos Stavrakakis | log.debug('get_snapshot snapshot_id: %s', snapshot_id)
|
327 | 79a1e9bd | Christos Stavrakakis | |
328 | 79a1e9bd | Christos Stavrakakis | snapshot = util.get_snapshot(request.user_uniq, snapshot_id) |
329 | 79a1e9bd | Christos Stavrakakis | data = json.dumps({'snapshot': snapshot_to_dict(snapshot, detail=True)}) |
330 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, content_type="application/json", status=200) |
331 | 79a1e9bd | Christos Stavrakakis | |
332 | 79a1e9bd | Christos Stavrakakis | |
333 | 79a1e9bd | Christos Stavrakakis | @api.api_method(http_method="PUT", user_required=True, logger=log) |
334 | 79a1e9bd | Christos Stavrakakis | def update_snapshot(request, snapshot_id): |
335 | 79a1e9bd | Christos Stavrakakis | req = utils.get_request_dict(request) |
336 | 79a1e9bd | Christos Stavrakakis | log.debug('update_snapshot snapshot_id: %s, request: %s', snapshot_id, req)
|
337 | 79a1e9bd | Christos Stavrakakis | snapshot = util.get_snapshot(request.user_uniq, snapshot_id) |
338 | 79a1e9bd | Christos Stavrakakis | # TODO
|
339 | 79a1e9bd | Christos Stavrakakis | #snapshot.name = req.get("name", snapshot.name)
|
340 | 79a1e9bd | Christos Stavrakakis | #snapshot.description = req.get("description", snapshot.description)
|
341 | 79a1e9bd | Christos Stavrakakis | #snapshot.save()
|
342 | 79a1e9bd | Christos Stavrakakis | data = json.dumps({'snapshot': snapshot_to_dict(snapshot, detail=True)}) |
343 | 79a1e9bd | Christos Stavrakakis | return HttpResponse(data, content_type="application/json", status=200) |