Open Stack

There is currently work being done to facilitate turning off the
requirement of volumes on a per datastore basis.  I don't know the exact
timeline but the first piece of that is called "Capabilities" and is near
merged.

You can follow that PR here https://review.openstack.org/#/c/83503/


On Fri, Jun 6, 2014 at 5:29 AM, Mark Kirkwood <mark.kirkwood at catalyst.net.nz
> wrote:

> On 06/06/14 16:13, Heinonen, Johanna (NSN - FI/Espoo) wrote:
>
>> Hi,
>>
>> I tried the option b mentioned below. Device_path = None seemed to have
>> no effect but the exception.LocalStorageNotSpecified(flavor=flavor_id)
>> was raised (/usr/lib/python2.7/dist-packages/trove/instance/models.py).
>> The same effect was with value False. The only way I could proceed was to
>> explicitly replace ephemeral_support to False in the code (models.py. line
>> 630->):
>>
>>
>> #            if ephemeral_support and flavor.ephemeral == 0:
>>                  if False and flavor.ephemeral == 0:
>>                  raise exception.LocalStorageNotSpecified(
>> flavor=flavor_id)
>>
>>
>> Now I am able to start trove instance - almost. I am using custom made
>> image (no cloudinit) where I have installed trove-guestagent and database.
>> Nova starts the VM and I am able to log in to it. I see that the
>> guest-agent process is started and connected to AMQP server. However, the
>> trove instance stays forever in the BUILD state. I guess that the reason is
>> that the instance does not send the instance id in the heartbeat message
>> (Instance ID is None in the log trace below). What is the way that
>> guest-agent could learn the instance uuid of its own? Should it be injected
>> to the instance somehow?
>>
>>
>>
>> 2014-06-05 23:10:07.155 14445 DEBUG trove.openstack.common.rpc.amqp [-]
>> received {u'_context_domain': None, u'_context_request_id':
>> u'req-22f10ab2-98cc-4932-b533-68c9d0633a18', u'args': {u'instance_id':
>> None, u'payload': {u'service_status': u'running'}, u'sent':
>> 1401988196.1104}, u'_context_read_only': False, u'_unique_id': u'
>> f082fab2d9c241cea5b776a84eeb7320', u'_context_user_identity': u'admin -
>> - - -', u'_context_show_deleted': False, u'_context_tenant': None,
>> u'_context_auth_token': '<SANITIZED>', u'_context_project_domain': None,
>> u'_context_is_admin': False, u'version': u'1.0', u'_context_marker': None,
>> u'_context_instance_uuid': None, u'_context_user': u'admin',
>> u'_context_user_domain': None, u'namespace': None, u'method': u'heartbeat',
>> u'_context_limit': None} _safe_log /usr/lib/python2.7/dist-
>> packages/trove/openstack/common/rpc/common.py:280
>> 2014-06-05 23:10:07.156 14445 DEBUG trove.openstack.common.rpc.amqp [-]
>> unpacked context: {'instance_uuid': None, 'read_only': False, 'domain':
>> None, 'show_deleted': False, 'user_identity': u'admin - - - -',
>> 'project_domain': None, 'auth_token': '<SANITIZED>', 'is_admin': False,
>> 'user': u'admin', 'request_id': u'req-22f10ab2-98cc-4932-b533-68c9d0633a18',
>> 'marker': None, 'limit': None, 'user_domain': None, 'tenant': None}
>> _safe_log /usr/lib/python2.7/dist-packages/trove/openstack/
>> common/rpc/common.py:280
>> 2014-06-05 23:10:07.157 14445 DEBUG trove.conductor.manager
>> [req-22f10ab2-98cc-4932-b533-68c9d0633a18 admin - - - -] Instance ID:
>> None heartbeat /usr/lib/python2.7/dist-packages/trove/conductor/
>> manager.py:76
>> 2014-06-05 23:10:07.158 14445 DEBUG trove.conductor.manager
>> [req-22f10ab2-98cc-4932-b533-68c9d0633a18 admin - - - -] Payload:
>> {u'service_status': u'running'} heartbeat /usr/lib/python2.7/dist-
>> packages/trove/conductor/manager.py:77
>> 2014-06-05 23:10:07.161 14445 ERROR trove.openstack.common.rpc.amqp
>> [req-22f10ab2-98cc-4932-b533-68c9d0633a18 admin - - - -] Exception
>> during message handling
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> Traceback (most recent call last):
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> File "/usr/lib/python2.7/dist-packages/trove/openstack/common/rpc/amqp.py",
>> line 440, in _process_data
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> **args)
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> File "/usr/lib/python2.7/dist-packages/trove/openstack/common/rpc/dispatcher.py",
>> line 172, in dispatch
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> result = getattr(proxyobj, method)(ctxt, **kwargs)
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> File "/usr/lib/python2.7/dist-packages/trove/conductor/manager.py", line
>> 79, in heartbeat
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> instance_id=instance_id)
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> File "/usr/lib/python2.7/dist-packages/trove/db/models.py", line 99, in
>> find_by
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> cls.__name__)
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>> ModelNotFoundError: InstanceServiceStatus Not Found
>> 2014-06-05 23:10:07.161 14445 TRACE trove.openstack.common.rpc.amqp
>>
>> I am using the ubuntu1404 trove packages.
>>
>>
> Yeah - just tried this out myself with similar results. Looks like things
> are setup to require cinder support.
>
> Now with regard to the ModelNotFoundError: InstanceServiceStatus you are
> seeing - this is probably because the file injection of /etc/guest_info is
> failing. This is vital as typical contents of this file are:
>
> [DEFAULT]
> guest_id=ddd97300-5976-4c41-89b8-1d886cc4b531in
> datastore_manager=mysql
> tenant_id=a9d3f1c6c7984856985b99a8185ece12
>
> i.e in particular the guest uuid.
>
> I struggled with making sure that this file was injected successfully, and
> it seems that requiring a config drive in Nova is essential - e.g:
>
> $ sudo vi /etc/nova/nova-compute.conf
> [DEFAULT]
> compute_driver = libvirt.LibvirtDriver
> force_config_drive = always
>
> Also you need to check that the guest init for guestagent looks at this
> file e.g:
> (guest) $ cat /etc/init/trove-guestagent.conf
> description "Trove Guest Agent"
> author "Thomas Goirand <zigo at debian.org>"
>
> start on runlevel [2345]
> stop on runlevel [!2345]
>
> respawn
>
> exec start-stop-daemon --start --chuid trove:trove \
>             --chdir /var/lib/trove --name trove-guestagent \
>             --exec /usr/bin/trove-guestagent --
> --config-file=/etc/guest_info --config-file=/etc/trove/trove-guestagent.conf
> --log-dir=/var/log/trove --logfile=guestagent.log
>
>
> Best wishes
>
>
> Mark
>
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