root / snf-cyclades-app / synnefo / logic / callbacks.py @ 567ffb85
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1 | cb409cfd | Georgios Gousios | # Copyright 2011 GRNET S.A. All rights reserved.
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2 | ad2d6807 | Vangelis Koukis | #
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3 | cb409cfd | Georgios Gousios | # Redistribution and use in source and binary forms, with or without
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4 | cb409cfd | Georgios Gousios | # modification, are permitted provided that the following conditions
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5 | cb409cfd | Georgios Gousios | # are met:
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6 | ad2d6807 | Vangelis Koukis | #
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7 | cb409cfd | Georgios Gousios | # 1. Redistributions of source code must retain the above copyright
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8 | cb409cfd | Georgios Gousios | # notice, this list of conditions and the following disclaimer.
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9 | ad2d6807 | Vangelis Koukis | #
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10 | cb409cfd | Georgios Gousios | # 2. Redistributions in binary form must reproduce the above copyright
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11 | cb409cfd | Georgios Gousios | # notice, this list of conditions and the following disclaimer in the
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12 | cb409cfd | Georgios Gousios | # documentation and/or other materials provided with the distribution.
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13 | cb409cfd | Georgios Gousios | #
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14 | cb409cfd | Georgios Gousios | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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15 | cb409cfd | Georgios Gousios | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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16 | cb409cfd | Georgios Gousios | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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17 | cb409cfd | Georgios Gousios | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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18 | cb409cfd | Georgios Gousios | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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19 | cb409cfd | Georgios Gousios | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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20 | cb409cfd | Georgios Gousios | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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21 | cb409cfd | Georgios Gousios | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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22 | cb409cfd | Georgios Gousios | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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23 | cb409cfd | Georgios Gousios | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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24 | cb409cfd | Georgios Gousios | # SUCH DAMAGE.
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25 | cb409cfd | Georgios Gousios | #
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26 | cb409cfd | Georgios Gousios | # The views and conclusions contained in the software and documentation are
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27 | cb409cfd | Georgios Gousios | # those of the authors and should not be interpreted as representing official
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28 | cb409cfd | Georgios Gousios | # policies, either expressed or implied, of GRNET S.A.
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29 | cb409cfd | Georgios Gousios | |
30 | cb409cfd | Georgios Gousios | # Callback functions used by the dispatcher to process incoming notifications
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31 | cb409cfd | Georgios Gousios | # from AMQP queues.
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32 | cb409cfd | Georgios Gousios | |
33 | 86f046a8 | Giorgos Verigakis | import logging |
34 | 35079ab2 | Georgios Gousios | import socket |
35 | 23c84263 | Georgios Gousios | import traceback |
36 | 23c84263 | Georgios Gousios | import json |
37 | 23c84263 | Georgios Gousios | import sys |
38 | 23c84263 | Georgios Gousios | |
39 | 23c84263 | Georgios Gousios | from synnefo.db.models import VirtualMachine |
40 | 1ed37c1d | Giorgos Verigakis | from synnefo.logic import utils, backend |
41 | 23c84263 | Georgios Gousios | |
42 | 86f046a8 | Giorgos Verigakis | |
43 | 86f046a8 | Giorgos Verigakis | log = logging.getLogger() |
44 | 23c84263 | Georgios Gousios | |
45 | 95aee02c | Vangelis Koukis | |
46 | 23c84263 | Georgios Gousios | def update_db(message): |
47 | c25cc9ec | Vangelis Koukis | """Process a notification of type 'ganeti-op-status'"""
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48 | 86f046a8 | Giorgos Verigakis | log.debug("Processing ganeti-op-status msg: %s", message.body)
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49 | eee48215 | Vangelis Koukis | msg = None
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50 | 23c84263 | Georgios Gousios | try:
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51 | c25cc9ec | Vangelis Koukis | msg = json.loads(message.body) |
52 | 23c84263 | Georgios Gousios | |
53 | 23c84263 | Georgios Gousios | if msg["type"] != "ganeti-op-status": |
54 | 86f046a8 | Giorgos Verigakis | log.error("Message is of unknown type %s.", msg["type"]) |
55 | 23c84263 | Georgios Gousios | return
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56 | 23c84263 | Georgios Gousios | |
57 | 0d0aa87d | Georgios Gousios | if msg["operation"] == "OP_INSTANCE_QUERY_DATA": |
58 | 0d0aa87d | Georgios Gousios | return status_job_finished(message)
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59 | 0d0aa87d | Georgios Gousios | |
60 | 23c84263 | Georgios Gousios | vmid = utils.id_from_instance_name(msg["instance"])
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61 | 23c84263 | Georgios Gousios | vm = VirtualMachine.objects.get(id=vmid) |
62 | 23c84263 | Georgios Gousios | |
63 | ad2d6807 | Vangelis Koukis | backend.process_op_status(vm, msg["jobId"], msg["operation"], |
64 | ad2d6807 | Vangelis Koukis | msg["status"], msg["logmsg"]) |
65 | 86f046a8 | Giorgos Verigakis | log.debug("Done processing ganeti-op-status msg for vm %s.",
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66 | ad2d6807 | Vangelis Koukis | msg["instance"])
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67 | 23c84263 | Georgios Gousios | message.channel.basic_ack(message.delivery_tag) |
68 | 23c84263 | Georgios Gousios | except KeyError: |
69 | 86f046a8 | Giorgos Verigakis | log.error("Malformed incoming JSON, missing attributes: %s",
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70 | ad2d6807 | Vangelis Koukis | message.body) |
71 | 23c84263 | Georgios Gousios | except VirtualMachine.InvalidBackendIdError:
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72 | 86f046a8 | Giorgos Verigakis | log.debug("Ignoring msg for unknown instance %s.", msg["instance"]) |
73 | 95aee02c | Vangelis Koukis | except VirtualMachine.InvalidBackendMsgError, e:
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74 | 86f046a8 | Giorgos Verigakis | log.debug("Ignoring msg of unknown type: %s.", e)
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75 | 23c84263 | Georgios Gousios | except VirtualMachine.DoesNotExist:
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76 | 86f046a8 | Giorgos Verigakis | log.error("VM for instance %s with id %d not found in DB.",
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77 | ad2d6807 | Vangelis Koukis | msg["instance"], vmid)
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78 | 23c84263 | Georgios Gousios | except Exception as e: |
79 | 86f046a8 | Giorgos Verigakis | log.exception("Unexpected error, msg: %s", msg)
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80 | 23c84263 | Georgios Gousios | |
81 | 7ca9e930 | Vangelis Koukis | |
82 | 7ca9e930 | Vangelis Koukis | def update_net(message): |
83 | c25cc9ec | Vangelis Koukis | """Process a notification of type 'ganeti-net-status'"""
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84 | 86f046a8 | Giorgos Verigakis | log.debug("Processing ganeti-net-status msg: %s", message.body)
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85 | eee48215 | Vangelis Koukis | msg = None
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86 | ad2d6807 | Vangelis Koukis | try:
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87 | c25cc9ec | Vangelis Koukis | msg = json.loads(message.body) |
88 | ad2d6807 | Vangelis Koukis | |
89 | ad2d6807 | Vangelis Koukis | if msg["type"] != "ganeti-net-status": |
90 | 86f046a8 | Giorgos Verigakis | log.error("Message is of unknown type %s", msg["type"]) |
91 | ad2d6807 | Vangelis Koukis | return
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92 | ad2d6807 | Vangelis Koukis | |
93 | ad2d6807 | Vangelis Koukis | vmid = utils.id_from_instance_name(msg["instance"])
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94 | ad2d6807 | Vangelis Koukis | vm = VirtualMachine.objects.get(id=vmid) |
95 | ad2d6807 | Vangelis Koukis | |
96 | ad2d6807 | Vangelis Koukis | backend.process_net_status(vm, msg["nics"])
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97 | 86f046a8 | Giorgos Verigakis | log.debug("Done processing ganeti-net-status msg for vm %s.",
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98 | ad2d6807 | Vangelis Koukis | msg["instance"])
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99 | ad2d6807 | Vangelis Koukis | message.channel.basic_ack(message.delivery_tag) |
100 | ad2d6807 | Vangelis Koukis | except KeyError: |
101 | 86f046a8 | Giorgos Verigakis | log.error("Malformed incoming JSON, missing attributes: %s",
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102 | ad2d6807 | Vangelis Koukis | message.body) |
103 | ad2d6807 | Vangelis Koukis | except VirtualMachine.InvalidBackendIdError:
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104 | 86f046a8 | Giorgos Verigakis | log.debug("Ignoring msg for unknown instance %s.", msg["instance"]) |
105 | ad2d6807 | Vangelis Koukis | except VirtualMachine.DoesNotExist:
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106 | 86f046a8 | Giorgos Verigakis | log.error("VM for instance %s with id %d not found in DB.",
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107 | ad2d6807 | Vangelis Koukis | msg["instance"], vmid)
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108 | ad2d6807 | Vangelis Koukis | except Exception as e: |
109 | 86f046a8 | Giorgos Verigakis | log.exception("Unexpected error, msg: %s", msg)
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110 | 7ca9e930 | Vangelis Koukis | |
111 | 7ca9e930 | Vangelis Koukis | |
112 | 9068cd85 | Georgios Gousios | def update_build_progress(message): |
113 | c25cc9ec | Vangelis Koukis | """Process a create progress message"""
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114 | 86f046a8 | Giorgos Verigakis | log.debug("Processing ganeti-create-progress msg: %s", message.body)
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115 | eee48215 | Vangelis Koukis | msg = None
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116 | 9068cd85 | Georgios Gousios | try:
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117 | 9068cd85 | Georgios Gousios | msg = json.loads(message.body) |
118 | 9068cd85 | Georgios Gousios | |
119 | e6f5bb10 | Vangelis Koukis | if msg['type'] != "ganeti-create-progress": |
120 | 86f046a8 | Giorgos Verigakis | log.error("Message is of unknown type %s", msg["type"]) |
121 | 9068cd85 | Georgios Gousios | return
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122 | 9068cd85 | Georgios Gousios | |
123 | 9068cd85 | Georgios Gousios | # XXX: The following assumes names like snf-12
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124 | c25cc9ec | Vangelis Koukis | vmid = msg['instance'].split('-')[1] |
125 | c25cc9ec | Vangelis Koukis | vm = VirtualMachine.objects.get(id=vmid) |
126 | 9068cd85 | Georgios Gousios | |
127 | e6f5bb10 | Vangelis Koukis | backend.process_create_progress(vm, msg['rprogress'], None) |
128 | 86f046a8 | Giorgos Verigakis | log.debug("Done processing ganeti-create-progress msg for vm %s.",
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129 | 9068cd85 | Georgios Gousios | msg["instance"])
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130 | 9068cd85 | Georgios Gousios | message.channel.basic_ack(message.delivery_tag) |
131 | 9068cd85 | Georgios Gousios | except KeyError: |
132 | 86f046a8 | Giorgos Verigakis | log.error("Malformed incoming JSON, missing attributes: %s",
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133 | 9068cd85 | Georgios Gousios | message.body) |
134 | 9068cd85 | Georgios Gousios | except Exception as e: |
135 | 86f046a8 | Giorgos Verigakis | log.exception("Unexpected error, msg: %s", msg)
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136 | 9068cd85 | Georgios Gousios | raise
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137 | 9068cd85 | Georgios Gousios | |
138 | 9068cd85 | Georgios Gousios | |
139 | 604b2bf8 | Georgios Gousios | def trigger_status_update(message): |
140 | c25cc9ec | Vangelis Koukis | """Triggers a status update job for a specific VM id"""
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141 | 86f046a8 | Giorgos Verigakis | log.debug("Request to trigger status update: %s", message.body)
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142 | eee48215 | Vangelis Koukis | msg = None
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143 | 604b2bf8 | Georgios Gousios | try:
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144 | c25cc9ec | Vangelis Koukis | msg = json.loads(message.body) |
145 | 604b2bf8 | Georgios Gousios | |
146 | c4367587 | Vangelis Koukis | if msg["type"] != "reconcile": |
147 | 86f046a8 | Giorgos Verigakis | log.error("Message is of unknown type %s", msg["type"]) |
148 | 604b2bf8 | Georgios Gousios | return
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149 | 604b2bf8 | Georgios Gousios | |
150 | c4367587 | Vangelis Koukis | if msg["vmid"] == "": |
151 | 86f046a8 | Giorgos Verigakis | log.error("Reconciliation message does not specify a VM id")
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152 | 604b2bf8 | Georgios Gousios | return
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153 | 604b2bf8 | Georgios Gousios | |
154 | 0d0aa87d | Georgios Gousios | vm = VirtualMachine.objects.get(id=msg["vmid"])
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155 | 604b2bf8 | Georgios Gousios | backend.request_status_update(vm) |
156 | 604b2bf8 | Georgios Gousios | |
157 | 604b2bf8 | Georgios Gousios | message.channel.basic_ack(message.delivery_tag) |
158 | 0d0aa87d | Georgios Gousios | except KeyError as k: |
159 | 86f046a8 | Giorgos Verigakis | log.error("Malformed incoming JSON, missing attributes: %s", k)
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160 | 604b2bf8 | Georgios Gousios | except Exception as e: |
161 | 86f046a8 | Giorgos Verigakis | log.exception("Unexpected error, msg: %s", msg)
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162 | 604b2bf8 | Georgios Gousios | |
163 | c25cc9ec | Vangelis Koukis | |
164 | c25cc9ec | Vangelis Koukis | def status_job_finished(message): |
165 | c25cc9ec | Vangelis Koukis | """Updates VM status based on a previously sent status update request"""
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166 | eee48215 | Vangelis Koukis | msg = None
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167 | 604b2bf8 | Georgios Gousios | try:
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168 | c25cc9ec | Vangelis Koukis | msg = json.loads(message.body) |
169 | 604b2bf8 | Georgios Gousios | |
170 | 0d0aa87d | Georgios Gousios | if msg["operation"] != 'OP_INSTANCE_QUERY_DATA': |
171 | 86f046a8 | Giorgos Verigakis | log.error("Message is of unknown type %s", msg["operation"]) |
172 | 604b2bf8 | Georgios Gousios | return
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173 | 604b2bf8 | Georgios Gousios | |
174 | c4367587 | Vangelis Koukis | if msg["status"] != "success": |
175 | 86f046a8 | Giorgos Verigakis | log.warn("Ignoring non-success status update from job %d on VM %s",
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176 | 604b2bf8 | Georgios Gousios | msg['jobId'], msg['instance']) |
177 | 2f355fb5 | Georgios Gousios | message.channel.basic_ack(message.delivery_tag) |
178 | 604b2bf8 | Georgios Gousios | return
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179 | 604b2bf8 | Georgios Gousios | |
180 | 0d0aa87d | Georgios Gousios | status = backend.get_job_status(msg['jobId'])
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181 | 604b2bf8 | Georgios Gousios | |
182 | 86f046a8 | Giorgos Verigakis | log.debug("Node status job result: %s", status)
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183 | 0d0aa87d | Georgios Gousios | |
184 | c4367587 | Vangelis Koukis | if status['summary'][0] != u'INSTANCE_QUERY_DATA': |
185 | 86f046a8 | Giorgos Verigakis | log.error("Status update is of unknown type %s",
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186 | 86f046a8 | Giorgos Verigakis | status['summary'])
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187 | 604b2bf8 | Georgios Gousios | return
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188 | 604b2bf8 | Georgios Gousios | |
189 | 2f355fb5 | Georgios Gousios | conf_state = status['opresult'][0][msg['instance']]['config_state'] |
190 | 2f355fb5 | Georgios Gousios | run_state = status['opresult'][0][msg['instance']]['run_state'] |
191 | 2f355fb5 | Georgios Gousios | |
192 | 2f355fb5 | Georgios Gousios | # XXX: The following assumes names like snf-12
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193 | 2f355fb5 | Georgios Gousios | instid = msg['instance'].split('-')[1] |
194 | 2f355fb5 | Georgios Gousios | |
195 | 2f355fb5 | Georgios Gousios | vm = VirtualMachine.objects.get(id = instid) |
196 | 2f355fb5 | Georgios Gousios | |
197 | 2f355fb5 | Georgios Gousios | if run_state == "up": |
198 | 2f355fb5 | Georgios Gousios | opcode = "OP_INSTANCE_REBOOT"
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199 | c4367587 | Vangelis Koukis | else:
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200 | 2f355fb5 | Georgios Gousios | opcode = "OP_INSTANCE_SHUTDOWN"
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201 | 2f355fb5 | Georgios Gousios | |
202 | 2f355fb5 | Georgios Gousios | backend.process_op_status(vm=vm, jobid=msg['jobId'],opcode=opcode,
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203 | 2f355fb5 | Georgios Gousios | status="success",
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204 | 2f355fb5 | Georgios Gousios | logmsg="Reconciliation: simulated event")
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205 | 2f355fb5 | Georgios Gousios | |
206 | 604b2bf8 | Georgios Gousios | message.channel.basic_ack(message.delivery_tag) |
207 | 0d0aa87d | Georgios Gousios | except KeyError as k: |
208 | 86f046a8 | Giorgos Verigakis | log.error("Malformed incoming JSON, missing attributes: %s", k)
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209 | 604b2bf8 | Georgios Gousios | except Exception as e: |
210 | 86f046a8 | Giorgos Verigakis | log.exception("Unexpected error, msg: %s", msg)
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211 | 23c84263 | Georgios Gousios | |
212 | c25cc9ec | Vangelis Koukis | |
213 | 23c84263 | Georgios Gousios | def dummy_proc(message): |
214 | 23c84263 | Georgios Gousios | try:
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215 | 86f046a8 | Giorgos Verigakis | log.debug("Msg: %s", message.body)
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216 | 23c84263 | Georgios Gousios | message.channel.basic_ack(message.delivery_tag) |
217 | 23c84263 | Georgios Gousios | except Exception as e: |
218 | 86f046a8 | Giorgos Verigakis | log.exception("Could not receive message")
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219 | 23c84263 | Georgios Gousios | pass |