# try to find a dev name that is not already in use by the node
dev_names_in_use = [ vol.devName for vol in config.volumes.values()
if vol.agentId == agentId ]
dev_name = self.config_parser.get('manager', 'DEV_TARGET')
while dev_name in dev_names_in_use:
# increment the last char from dev_name
dev_name = dev_name[:-1] + chr(ord(dev_name[-1]) + 1)
# attach the volume
_, dev_name = self.attach_volume(volume.id, node.vmid, dev_name)
except Exception, ex:
self.logger.exception("Failed to attach disk to Generic node %s: %s"
% (node.id, ex))
self.destroy_volume(volume.id)
raise
try:
client.mount_volume(node.ip, self.AGENT_PORT, dev_name, volumeName)
except client.AgentException, ex:
self.logger.exception('Failed to configure Generic node %s: %s'
% (node.id, ex))
self.detach_volume(volume.id)
self.destroy_volume(volume.id)
raise
except Exception, ex:
self.logger.exception('Failed to create volume: %s.' % ex)
self._state_set(self.S_ERROR)
return
config.volumes[volumeName] = VolumeInfo(volumeName, volume.id,
volumeSize, agentId, dev_name)
self._configuration_set(config)
self.logger.info('Volume %s created and attached' % volume_name)
def on_create_volume(self, node, volume):
client.mount_volume(node.ip, self.AGENT_PORT, volume['dev_name'],
volume['vol_name'])
