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Viewing changes to heat/engine/resources/nova_utils.py

  • Committer: Package Import Robot
  • Author(s): Chuck Short
  • Date: 2013-09-08 21:51:19 UTC
  • mto: This revision was merged to the branch mainline in revision 14.
  • Revision ID: package-import@ubuntu.com-20130908215119-7tcek6gn73275x5k
Tags: upstream-2013.2~b3
Import upstream version 2013.2~b3

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Lines of Context:
heat/engine/resources/nova_utils.py
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logger = logging.getLogger(__name__)
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deferred_server_statuses = ['BUILD',
 
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                            'HARD_REBOOT',
 
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                            'PASSWORD',
 
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                            'REBOOT',
 
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                            'RESCUE',
 
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                            'RESIZE',
 
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                            'REVERT_RESIZE',
 
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                            'SHUTOFF',
 
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                            'SUSPENDED',
 
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                            'VERIFY_RESIZE']
 
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def get_image_id(nova_client, image_identifier):
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    '''
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    Return an id for the specified image name or identifier.
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        try:
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            image_list = nova_client.images.list()
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        except clients.novaclient.exceptions.ClientException as ex:
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            raise exception.ServerError(message=str(ex))
 
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            raise exception.Error(
 
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                message="Error retrieving image list from nova: %s" % str(ex))
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        image_names = dict(
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            (o.id, o.name)
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            for o in image_list if o.name == image_identifier)
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    mime_blob = MIMEMultipart(_subparts=subparts)
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    return mime_blob.as_string()
 
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def delete_server(server):
 
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    '''
 
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    Return a co-routine that deletes the server and waits for it to
 
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    disappear from Nova.
 
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    '''
 
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    server.delete()
 
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    while True:
 
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        yield
 
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        try:
 
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            server.get()
 
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        except clients.novaclient.exceptions.NotFound:
 
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            break
 
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def check_resize(server, flavor):
 
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    """
 
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    Verify that the server is properly resized. If that's the case, confirm
 
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    the resize, if not raise an error.
 
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    """
 
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    yield
 
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    server.get()
 
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    while server.status == 'RESIZE':
 
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        yield
 
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        server.get()
 
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    if server.status == 'VERIFY_RESIZE':
 
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        server.confirm_resize()
 
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    else:
 
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        raise exception.Error(
 
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            _("Resizing to '%(flavor)s' failed, status '%(status)s'") %
 
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            dict(flavor=flavor, status=server.status))
 
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def server_to_ipaddress(client, server):
 
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    '''
 
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    Return the server's IP address, fetching it from Nova.
 
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    '''
 
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    try:
 
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        server = client.servers.get(server)
 
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    except clients.novaclient.exceptions.NotFound as ex:
 
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        logger.warn('Instance (%s) not found: %s' % (server, str(ex)))
 
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    else:
 
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        for n in server.networks:
 
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            if len(server.networks[n]) > 0:
 
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                return server.networks[n][0]