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from opendc.models.machine import Machine
from opendc.models.rack import Rack
from opendc.util import exceptions
from opendc.util.rest import Response
def GET(request):
"""Get the Machine at this location in this Rack."""
# Make sure required parameters are there
try:
request.check_required_parameters(path={'tileId': 'int', 'position': 'int'})
except exceptions.ParameterError as e:
return Response(400, e.message)
# Instantiate a Machine from the database
machine = Machine.from_tile_id_and_rack_position(request.params_path['tileId'], request.params_path['position'])
# Make sure this Machine exists
if not machine.exists():
return Response(404, '{} not found.'.format(machine))
# Make sure this user is authorized to view this Machine
if not machine.google_id_has_at_least(request.google_id, 'VIEW'):
return Response(403, 'Forbidden from retrieving {}.'.format(machine))
# Return this Machine
machine.read()
return Response(200, 'Successfully retrieved {}.'.format(machine), machine.to_JSON())
def PUT(request):
"""Update the Machine at this location in this Rack."""
try:
request.check_required_parameters(path={
'tileId': 'int',
'position': 'int'
},
body={
'machine': {
'rackId': 'int',
'position': 'int',
'tags': 'list-string',
'cpuIds': 'list-int',
'gpuIds': 'list-int',
'memoryIds': 'list-int',
'storageIds': 'list-int'
}
})
except exceptions.ParameterError as e:
return Response(400, e.message)
# Instantiate a Machine from the database
machine = Machine.from_tile_id_and_rack_position(request.params_path['tileId'], request.params_path['position'])
# Make sure this Machine exists
if not machine.exists():
return Response(404, '{} not found.'.format(machine))
# Make sure this Machine's rack ID is right
rack = Rack.from_tile_id(request.params_path['tileId'])
if not rack.exists() or rack.id != request.params_body['machine']['rackId']:
return Response(400, 'Mismatch in Rack IDs.')
# Make sure this user is authorized to edit this Machine
if not machine.google_id_has_at_least(request.google_id, 'EDIT'):
return Response(403, 'Forbidden from retrieving {}.'.format(machine))
# Update this Machine
machine.position = request.params_body['machine']['position']
machine.tags = request.params_body['machine']['tags']
machine.cpu_ids = request.params_body['machine']['cpuIds']
machine.gpu_ids = request.params_body['machine']['gpuIds']
machine.memory_ids = request.params_body['machine']['memoryIds']
machine.storage_ids = request.params_body['machine']['storageIds']
try:
machine.update()
except exceptions.ForeignKeyError:
return Response(409, 'Rack position occupied.')
except Exception as e:
print e
return Response(400, 'Invalid Machine.')
# Return this Machine
machine.read()
return Response(200, 'Successfully updated {}.'.format(machine), machine.to_JSON())
def DELETE(request):
"""Delete the Machine at this location in this Rack."""
# Make sure required parameters are there
try:
request.check_required_parameters(path={'tileId': 'int', 'position': 'int'})
except exceptions.ParameterError as e:
return Response(400, e.message)
# Instantiate a Machine from the database
machine = Machine.from_tile_id_and_rack_position(request.params_path['tileId'], request.params_path['position'])
# Make sure this Machine exists
if not machine.exists():
return Response(404, '{} not found.'.format(machine))
# Make sure this user is authorized to edit this Machine
if not machine.google_id_has_at_least(request.google_id, 'EDIT'):
return Response(403, 'Forbidden from retrieving {}.'.format(machine))
# Delete this Machine
machine.delete()
# Return this Machine
return Response(200, 'Successfully deleted {}.'.format(machine), machine.to_JSON())
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