def index(self, req, segment_id):
"""Returns a list a hosts."""
context = req.environ['masakari.context']
context.can(host_policies.HOSTS % 'index')
try:
filters = {}
limit, marker = common.get_limit_and_marker(req)
sort_keys, sort_dirs = common.get_sort_params(req.params)
segment = objects.FailoverSegment.get_by_uuid(context, segment_id)
filters['failover_segment_id'] = segment.uuid
if 'name' in req.params:
filters['name'] = req.params['name']
if 'type' in req.params:
filters['type'] = req.params['type']
if 'control_attributes' in req.params:
filters['control_attributes'] = req.params[
'control_attributes']
if 'on_maintenance' in req.params:
try:
filters['on_maintenance'] = strutils.bool_from_string(
req.params['on_maintenance'], strict=True)
except ValueError as ex:
msg = _("Invalid value for on_maintenance: "
"%s") % encodeutils.exception_to_unicode(ex)
raise exc.HTTPBadRequest(explanation=msg)
if 'reserved' in req.params:
try:
filters['reserved'] = strutils.bool_from_string(
req.params['reserved'], strict=True)
except ValueError as ex:
msg = _("Invalid value for reserved: "
"%s") % encodeutils.exception_to_unicode(ex)
raise exc.HTTPBadRequest(explanation=msg)
hosts = self.api.get_all(context,
filters=filters,
sort_keys=sort_keys,
sort_dirs=sort_dirs,
limit=limit,
marker=marker)
except exception.MarkerNotFound as ex:
raise exc.HTTPBadRequest(explanation=ex.format_message())
except exception.Invalid as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
except exception.FailoverSegmentNotFound as ex:
raise exc.HTTPNotFound(explanation=ex.format_message())
builder = views_hosts.get_view_builder(req)
return builder.build_hosts(hosts)
def show(self, req, segment_id, id):
"""Shows the details of a host."""
context = req.environ['masakari.context']
context.can(host_policies.HOSTS % 'detail')
try:
host = self.api.get_host(context, segment_id, id)
except exception.HostNotFound as e:
raise exc.HTTPNotFound(explanation=e.format_message())
except exception.FailoverSegmentNotFound as e:
raise exc.HTTPNotFound(explanation=e.format_message())
builder = views_hosts.get_view_builder(req)
return {'host': builder.build_host(host)}
def create(self, req, segment_id, body):
"""Creates a host."""
context = req.environ['masakari.context']
context.can(host_policies.HOSTS % 'create')
host_data = body.get('host')
try:
host = self.api.create_host(context, segment_id, host_data)
except exception.ComputeNotFoundByName as e:
raise exc.HTTPBadRequest(explanation=e.message)
except exception.FailoverSegmentNotFound as e:
raise exc.HTTPNotFound(explanation=e.format_message())
except exception.HostExists as e:
raise exc.HTTPConflict(explanation=e.format_message())
builder = views_hosts.get_view_builder(req)
return {'host': builder.build_host(host)}