def get_one(self, _id):
context = t_context.extract_context_from_environ()
if _id == 'detail':
return {'volumes': self._get_all(context)}
# TODO(joehuang): get the release of top and bottom
t_release = cons.R_MITAKA
b_release = cons.R_MITAKA
b_headers = hclient.convert_header(t_release, b_release,
request.headers)
s_ctx = hclient.get_res_routing_ref(context, _id, request.url,
cons.ST_CINDER)
if not s_ctx:
return utils.format_cinder_error(
404,
_('Volume %s could not be found.') % _id)
if s_ctx['b_url'] == '':
return utils.format_cinder_error(
404, _('Bottom Pod endpoint incorrect'))
resp = hclient.forward_req(context, 'GET', b_headers, s_ctx['b_url'],
request.body)
b_ret_body = jsonutils.loads(resp.content)
b_status = resp.status_code
response.status = b_status
if b_status == 200:
if b_ret_body.get('volume') is not None:
b_vol_ret = b_ret_body['volume']
ret_vol = hclient.convert_object(b_release,
t_release,
b_vol_ret,
res_type=cons.RT_VOLUME)
pod = utils.get_pod_by_top_id(context, _id)
if pod:
ret_vol['availability_zone'] = pod['az_name']
return {'volume': ret_vol}
# resource not find but routing exist, remove the routing
if b_status == 404:
filters = [{
'key': 'top_id',
'comparator': 'eq',
'value': _id
}, {
'key': 'resource_type',
'comparator': 'eq',
'value': cons.RT_VOLUME
}]
with context.session.begin():
core.delete_resources(context, models.ResourceRouting, filters)
return b_ret_body
def get_one(self):
"""Get all metadata associated with a volume."""
context = t_context.extract_context_from_environ()
t_release = cons.R_MITAKA
b_release = cons.R_MITAKA
b_headers = hclient.convert_header(t_release,
b_release,
request.headers)
try:
s_ctx = hclient.get_res_routing_ref(context, self.volume_id,
request.url, cons.ST_CINDER)
if not s_ctx:
return utils.format_cinder_error(
500, _('Fail to find resource'))
except Exception as e:
LOG.exception(_LE('Fail to get metadata for a volume:'
'%(volume_id)s'
'%(exception)s'),
{'volume_id': self.volume_id,
'exception': e})
return utils.format_cinder_error(500, _('Fail to get metadata'))
if s_ctx['b_url'] == '':
return utils.format_cinder_error(
500, _('Bottom pod endpoint incorrect'))
resp = hclient.forward_req(context, 'GET',
b_headers,
s_ctx['b_url'],
request.body)
b_body_ret = jsonutils.loads(resp.content)
b_status = resp.status_code
response.status = b_status
if b_status == 200:
if b_body_ret.get('metadata') is not None:
b_metadata_ret = b_body_ret['metadata']
vol_ret = hclient.convert_object(b_release, t_release,
b_metadata_ret,
res_type=cons.
RT_VOl_METADATA)
return {'metadata': vol_ret}
return b_body_ret
def post(self, **kw):
context = t_context.extract_context_from_environ()
if 'volume' not in kw:
return utils.format_cinder_error(
400, _("Missing required element 'volume' in request body."))
az = kw['volume'].get('availability_zone', '')
pod, pod_az = az_ag.get_pod_by_az_tenant(context,
az_name=az,
tenant_id=self.tenant_id)
if not pod:
LOG.error(_LE("Pod not configured or scheduling failure"))
return utils.format_cinder_error(
500, _('Pod not configured or scheduling failure'))
t_pod = db_api.get_top_pod(context)
if not t_pod:
LOG.error(_LE("Top Pod not configured"))
return utils.format_cinder_error(500, _('Top Pod not configured'))
# TODO(joehuang): get release from pod configuration,
# to convert the content
# b_release = pod['release']
# t_release = t_pod['release']
t_release = cons.R_MITAKA
b_release = cons.R_MITAKA
s_ctx = hclient.get_pod_service_ctx(context,
request.url,
pod['pod_name'],
s_type=cons.ST_CINDER)
if s_ctx['b_url'] == '':
LOG.error(
_LE("Bottom Pod endpoint incorrect %s") % pod['pod_name'])
return utils.format_cinder_error(
500, _('Bottom Pod endpoint incorrect'))
b_headers = hclient.convert_header(t_release, b_release,
request.headers)
t_vol = kw['volume']
# add or remove key-value in the request for diff. version
b_vol_req = hclient.convert_object(t_release,
b_release,
t_vol,
res_type=cons.RT_VOLUME)
# convert az to the configured one
# remove the AZ parameter to bottom request for default one
b_vol_req['availability_zone'] = pod['pod_az_name']
if b_vol_req['availability_zone'] == '':
b_vol_req.pop("availability_zone", None)
b_body = jsonutils.dumps({'volume': b_vol_req})
resp = hclient.forward_req(context, 'POST', b_headers, s_ctx['b_url'],
b_body)
b_status = resp.status_code
b_ret_body = jsonutils.loads(resp.content)
# build routing and convert response from the bottom pod
# for different version.
response.status = b_status
if b_status == 202:
if b_ret_body.get('volume') is not None:
b_vol_ret = b_ret_body['volume']
try:
with context.session.begin():
core.create_resource(
context, models.ResourceRouting, {
'top_id': b_vol_ret['id'],
'bottom_id': b_vol_ret['id'],
'pod_id': pod['pod_id'],
'project_id': self.tenant_id,
'resource_type': cons.RT_VOLUME
})
except Exception as e:
LOG.exception(
_LE('Failed to create volume '
'resource routing'
'top_id: %(top_id)s ,'
'bottom_id: %(bottom_id)s ,'
'pod_id: %(pod_id)s ,'
'%(exception)s '), {
'top_id': b_vol_ret['id'],
'bottom_id': b_vol_ret['id'],
'pod_id': pod['pod_id'],
'exception': e
})
return utils.format_cinder_error(
500, _('Failed to create volume resource routing'))
ret_vol = hclient.convert_object(b_release,
t_release,
b_vol_ret,
res_type=cons.RT_VOLUME)
ret_vol['availability_zone'] = pod['az_name']
return {'volume': ret_vol}
return b_ret_body
def put(self, _id, **kw):
context = t_context.extract_context_from_environ()
# TODO(joehuang): Implement API multi-version compatibility
# currently _convert_header and _convert_object are both dummy
# functions and API versions are hard coded. After multi-version
# compatibility is implemented, API versions will be retrieved from
# top and bottom API server, also, _convert_header and _convert_object
# will do the real job to convert the request header and body
# according to the API versions.
t_release = cons.R_MITAKA
b_release = cons.R_MITAKA
s_ctx = hclient.get_res_routing_ref(context, _id, request.url,
cons.ST_CINDER)
if not s_ctx:
return utils.format_cinder_error(
404,
_('Volume %s could not be found.') % _id)
if s_ctx['b_url'] == '':
return utils.format_cinder_error(
404, _('Bottom Pod endpoint incorrect'))
b_headers = hclient.convert_header(t_release, b_release,
request.headers)
t_vol = kw['volume']
# add or remove key-value in the request for diff. version
b_vol_req = hclient.convert_object(t_release,
b_release,
t_vol,
res_type=cons.RT_VOLUME)
b_body = jsonutils.dumps({'volume': b_vol_req})
resp = hclient.forward_req(context, 'PUT', b_headers, s_ctx['b_url'],
b_body)
b_status = resp.status_code
b_ret_body = jsonutils.loads(resp.content)
response.status = b_status
if b_status == 200:
if b_ret_body.get('volume') is not None:
b_vol_ret = b_ret_body['volume']
ret_vol = hclient.convert_object(b_release,
t_release,
b_vol_ret,
res_type=cons.RT_VOLUME)
pod = utils.get_pod_by_top_id(context, _id)
if pod:
ret_vol['availability_zone'] = pod['az_name']
return {'volume': ret_vol}
# resource not found but routing exist, remove the routing
if b_status == 404:
filters = [{
'key': 'top_id',
'comparator': 'eq',
'value': _id
}, {
'key': 'resource_type',
'comparator': 'eq',
'value': cons.RT_VOLUME
}]
with context.session.begin():
core.delete_resources(context, models.ResourceRouting, filters)
return b_ret_body
def post(self, **kw):
"""Create volume metadata associated with a volume.
:param kw: dictionary of values to be created
:returns: created volume metadata
"""
context = t_context.extract_context_from_environ()
if 'metadata' not in kw:
return utils.format_cinder_error(
400, _("Missing required element 'metadata' in "
"request body."))
try:
pod = utils.get_pod_by_top_id(context, self.volume_id)
if pod is None:
return utils.format_cinder_error(
404, _('Volume %(volume_id)s could not be found.') % {
'volume_id': self.volume_id
})
t_pod = db_api.get_top_pod(context)
if not t_pod:
LOG.error(_LE("Top Pod not configured"))
return utils.format_cinder_error(
500, _('Top Pod not configured'))
except Exception as e:
LOG.exception(_LE('Fail to create metadata for a volume:'
'%(volume_id)s'
'%(exception)s'),
{'volume_id': self.volume_id,
'exception': e})
return utils.format_cinder_error(500, _('Fail to create metadata'))
t_release = cons.R_MITAKA
b_release = cons.R_MITAKA
s_ctx = hclient.get_pod_service_ctx(
context,
request.url,
pod['pod_name'],
s_type=cons.ST_CINDER)
if s_ctx['b_url'] == '':
LOG.error(_LE("Bottom pod endpoint incorrect %s") %
pod['pod_name'])
return utils.format_cinder_error(
500, _('Bottom pod endpoint incorrect'))
b_headers = hclient.convert_header(t_release, b_release,
request.headers)
t_metadata = kw['metadata']
# add or remove key-value in the request for diff. version
b_vol_req = hclient.convert_object(t_release, b_release, t_metadata,
res_type=cons.RT_VOl_METADATA)
b_body = jsonutils.dumps({'metadata': b_vol_req})
resp = hclient.forward_req(
context,
'POST',
b_headers,
s_ctx['b_url'],
b_body)
b_status = resp.status_code
b_body_ret = jsonutils.loads(resp.content)
# convert response from the bottom pod
# for different version.
response.status = b_status
if b_status == 200:
if b_body_ret.get('metadata') is not None:
b_metadata_ret = b_body_ret['metadata']
vol_ret = hclient.convert_object(b_release, t_release,
b_metadata_ret,
res_type=cons.
RT_VOl_METADATA)
return {'metadata': vol_ret}
return b_body_ret
def put(self, **kw):
"""Update volume metadata.
:param kw: dictionary of values to be updated
:returns: updated volume type
"""
context = t_context.extract_context_from_environ()
if 'metadata' not in kw:
return utils.format_cinder_error(
400, _("Missing required element 'metadata' in "
"request body."))
t_release = cons.R_MITAKA
b_release = cons.R_MITAKA
try:
s_ctx = hclient.get_res_routing_ref(context, self.volume_id,
request.url, cons.ST_CINDER)
if not s_ctx:
return utils.format_cinder_error(
404, _('Resource not found'))
except Exception as e:
LOG.exception(_LE('Fail to update metadata for a volume: '
'%(volume_id)s'
'%(exception)s'),
{'volume_id': self.volume_id,
'exception': e})
return utils.format_cinder_error(
500, _('Fail to update metadata'))
if s_ctx['b_url'] == '':
return utils.format_cinder_error(
500, _('Bottom pod endpoint incorrect'))
b_headers = hclient.convert_header(t_release,
b_release,
request.headers)
t_metadata = kw['metadata']
# add or remove key/value in the request for diff. version
b_vol_req = hclient.convert_object(t_release, b_release, t_metadata,
res_type=cons.RT_VOl_METADATA)
b_body = jsonutils.dumps({'metadata': b_vol_req})
resp = hclient.forward_req(context, 'PUT',
b_headers,
s_ctx['b_url'],
b_body)
b_status = resp.status_code
b_body_ret = jsonutils.loads(resp.content)
response.status = b_status
if b_status == 200:
if b_body_ret.get('metadata') is not None:
b_metadata_ret = b_body_ret['metadata']
vol_ret = hclient.convert_object(b_release, t_release,
b_metadata_ret,
res_type=cons.
RT_VOl_METADATA)
return {'metadata': vol_ret}
return b_body_ret