def get_server_port_forwarding(vm, vm_nics, fqdn):
"""Create API 'port_forwarding' attribute from corresponding setting.
Create the 'port_forwarding' API vm attribute based on the corresponding
setting (CYCLADES_PORT_FORWARDING), which can be either a tuple
of the form (host, port) or a callable object returning such tuple. In
case of callable object, must be called with the following arguments:
* ip_address
* server_id
* fqdn
* owner UUID
NOTE: 'vm_nics' objects have prefetched the ips
"""
port_forwarding = {}
public_ip = get_server_public_ip(vm_nics)
if public_ip is None:
return port_forwarding
for dport, to_dest in settings.CYCLADES_PORT_FORWARDING.items():
if hasattr(to_dest, "__call__"):
to_dest = to_dest(public_ip.address, vm.id, fqdn, vm.userid)
msg = ("Invalid setting: CYCLADES_PORT_FOWARDING."
" Value must be a tuple of two elements (host, port).")
if not isinstance(to_dest, tuple) or len(to_dest) != 2:
raise faults.InternalServerError(msg)
else:
try:
host, port = to_dest
except (TypeError, ValueError):
raise faults.InternalServerError(msg)
port_forwarding[dport] = {"host": host, "port": str(port)}
return port_forwarding
def get_server_fqdn(vm, vm_nics):
fqdn_setting = settings.CYCLADES_SERVERS_FQDN
if fqdn_setting is None:
return None
elif isinstance(fqdn_setting, basestring):
return fqdn_setting % {"id": vm.id}
else:
msg = ("Invalid setting: CYCLADES_SERVERS_FQDN."
" Value must be a string.")
raise faults.InternalServerError(msg)
def __exit__(self, exc_type, value, traceback):
if value is not None: # exception
if not isinstance(value, errors.AstakosClientException):
return False # reraise
if exc_type is errors.QuotaLimit:
msg, details = render_overlimit_exception(value)
raise faults.OverLimit(msg, details=details)
log.exception("Unexpected error %s" % value.message)
raise faults.InternalServerError("Unexpected error")
def __exit__(self, exc_type, value, traceback):
if value is not None: # exception
if not isinstance(value, errors.AstakosClientException):
return False # reraise
if exc_type is errors.QuotaLimit:
raise faults.OverLimit(value.message, details=value.details)
if exc_type is errors.NotFound:
self.check_not_found()
log.exception("Unexpected error %s" % value.message)
raise faults.InternalServerError("Unexpected error")
def check_not_found(self):
if not self.user or not self.projects:
return
try:
qh = Quotaholder.get()
user_quota = qh.service_get_quotas(self.user)
except errors.AstakosClientException as e:
log.exception("Unexpected error %s" % e.message)
raise faults.InternalServerError("Unexpected error")
user_quota = user_quota[self.user]
for project in self.projects:
try:
user_quota[project]
except KeyError:
m = "User %s not in project %s" % (self.user, project)
raise faults.BadRequest(m)
def wrapper(request, *args, **kwargs):
try:
# Explicitly set request encoding to UTF-8 instead of relying
# to the DEFAULT_CHARSET setting. See:
# https://docs.djangoproject.com/en/1.4/ref/unicode/#form-submission # flake8: noqa
request.encoding = 'utf-8'
# Get the requested serialization format
serialization = get_serialization(request, format_allowed,
serializations[0])
# If guessed serialization is not supported, fallback to
# the default serialization or return an API error in case
# strict serialization flag is set.
if not serialization in serializations:
if strict_serlization:
raise faults.BadRequest(("%s serialization not "
"supported") % serialization)
serialization = serializations[0]
request.serialization = serialization
# Check HTTP method
if http_method and request.method != http_method:
raise faults.NotAllowed("Method not allowed",
allowed_methods=[http_method])
# Get authentication token
request.x_auth_token = None
if token_required or user_required:
token = get_token(request)
if not token:
msg = "Access denied. No authentication token"
raise faults.Unauthorized(msg)
request.x_auth_token = token
# Authenticate
if user_required:
assert (token_required), "Can not get user without token"
client_ip = get_client_ip(request)
user_info = retrieve_user(token,
astakos_auth_url,
logger=logger,
client_ip=client_ip)
_user_access = user_info["access"]["user"]
request.user_uniq = _user_access["id"]
request.user_projects = _user_access.get("projects", None)
request.user = user_info
# Get the response object
response = func(request, *args, **kwargs)
# Fill in response variables
update_response_headers(request, response)
return response
except faults.Fault as fault:
if fault.code >= 500:
django_logger.error("Unexpected API Error: %s",
request.path,
exc_info=sys.exc_info(),
extra={
"status_code": fault.code,
"request": request
})
return render_fault(request, fault)
except AstakosClientException as err:
fault = faults.Fault(message=err.message,
details=err.details,
code=err.status)
if fault.code >= 500:
django_logger.error("Unexpected AstakosClient Error: %s",
request.path,
exc_info=sys.exc_info(),
extra={
"status_code": fault.code,
"request": request
})
return render_fault(request, fault)
except:
django_logger.error("Internal Server Error: %s",
request.path,
exc_info=sys.exc_info(),
extra={
"status_code": '500',
"request": request
})
fault = faults.InternalServerError("Unexpected error")
return render_fault(request, fault)
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except AstakosClientException:
log.exception("Unexpected error")
raise faults.InternalServerError("Unexpected error")
update_response_headers(request, response)
return response
except faults.Fault, fault:
if fault.code >= 500:
logger.exception("API ERROR")
return render_fault(request, fault)
except AstakosClientException as err:
fault = faults.Fault(message=err.message,
details=err.details,
code=err.status)
if fault.code >= 500:
logger.exception("Astakos ERROR")
return render_fault(request, fault)
except:
logger.exception("Unexpected ERROR")
fault = faults.InternalServerError("Unexpected error")
return render_fault(request, fault)
return csrf.csrf_exempt(wrapper)
return decorator
def get_serialization(request, format_allowed=True, default_serialization="json"):
"""Return the serialization format requested.
Valid formats are 'json' and 'xml' and 'text'
"""
if not format_allowed:
return "text"
# Try to get serialization from 'format' parameter