import threading
import zerorpc
-logging.basicConfig(level=logging.DEBUG)
+logging.basicConfig(level=logging.INFO)
class ZeroRpcApiEndpoint(object):
+ """
+ Simple API endpoint that offers a zerorpc-based
+ interface. This interface will be used by the
+ default command line client.
+ It can be used as a reference to implement
+ REST interfaces providing the same semantics,
+ like e.g. OpenStack compute API.
+ """
def __init__(self, listenip, port):
self.dcs = {}
self.__class__.__name__, self.ip, self.port))
def connectDatacenter(self, dc):
- self.dcs[dc.name] = dc
+ self.dcs[dc.label] = dc
logging.info("Connected DC(%s) to API endpoint %s(%s:%d)" % (
- dc.name, self.__class__.__name__, self.ip, self.port))
+ dc.label, self.__class__.__name__, self.ip, self.port))
def start(self):
thread = threading.Thread(target=self._api_server_thread, args=())
class MultiDatacenterApi(object):
+ """
+ Just pass through the corresponding request to the
+ selected data center. Do not implement provisioning
+ logic here because will will have multiple API
+ endpoint implementations at the end.
+ """
def __init__(self, dcs):
self.dcs = dcs
- def compute_action_start(self, dc_name, compute_name):
- # TODO return UUID / IP ?
+ def compute_action_start(self, dc_label, compute_name, image, network):
+ # network e.g. {"ip": "10.0.0.254/8"}
+ # TODO what to return UUID / given name / internal name ?
logging.debug("RPC CALL: compute start")
- if dc_name in self.dcs:
- self.dcs[dc_name].addCompute(compute_name)
+ try:
+ c = self.dcs.get(dc_label).startCompute(
+ compute_name, image=image, network=network)
+ return str(c.name)
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
- def compute_action_stop(self, dc_name, compute_name):
- logging.info("compute stop")
- if dc_name in self.dcs:
- self.dcs[dc_name].removeCompute(compute_name)
+ def compute_action_stop(self, dc_label, compute_name):
+ logging.debug("RPC CALL: compute stop")
+ try:
+ return self.dcs.get(dc_label).stopCompute(compute_name)
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
- def compute_list(self):
- pass
+ def compute_list(self, dc_label):
+ logging.debug("RPC CALL: compute list")
+ try:
+ if dc_label is None:
+ # return list with all compute nodes in all DCs
+ all_containers = []
+ for dc in self.dcs.itervalues():
+ all_containers += dc.listCompute()
+ return [(c.name, c.getStatus())
+ for c in all_containers]
+ else:
+ # return list of compute nodes for specified DC
+ return [(c.name, c.getStatus())
+ for c in self.dcs.get(dc_label).listCompute()]
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
+
+ def compute_status(self, dc_label, compute_name):
+ logging.debug("RPC CALL: compute status")
+ try:
+ return self.dcs.get(
+ dc_label).containers.get(compute_name).getStatus()
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
+
+ def datacenter_list(self):
+ logging.debug("RPC CALL: datacenter list")
+ try:
+ return [d.getStatus() for d in self.dcs.itervalues()]
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message
+
+ def datacenter_status(self, dc_label):
+ logging.debug("RPC CALL: datacenter status")
+ try:
+ return self.dcs.get(dc_label).getStatus()
+ except Exception as ex:
+ logging.exception("RPC error.")
+ return ex.message