def __init__(
self, name, dimage, **kwargs):
logging.debug("Create EmulatorCompute instance: %s" % name)
+ self.datacenter = None # pointer to current DC
# call original Docker.__init__
Docker.__init__(self, name, dimage, **kwargs)
Helper method to receive information about the virtual networks
this compute instance is connected to.
"""
- return None
+ # format list of tuples (name, Ip, MAC, isUp, status)
+ return [(str(i), i.IP(), i.MAC(), i.isUp(), i.status())
+ for i in self.intfList()]
def getStatus(self):
"""
Helper method to receive information about this compute instance.
"""
- return None
+ status = {}
+ status["name"] = self.name
+ status["network"] = self.getNetworkStatus()
+ status["image"] = self.dimage
+ status["cpu_quota"] = self.cpu_quota
+ status["cpu_period"] = self.cpu_period
+ status["cpu_shares"] = self.cpu_shares
+ status["cpuset"] = self.cpuset
+ status["mem_limit"] = self.mem_limit
+ status["memswap_limit"] = self.memswap_limit
+ status["state"] = self.dcli.inspect_container(self.dc)["State"]
+ status["id"] = self.dcli.inspect_container(self.dc)["Id"]
+ status["datacenter"] = (None if self.datacenter is None
+ else self.datacenter.name)
+ return status
class Datacenter(object):
a single container can be connected.
"""
assert name is not None
+ # no duplications
+ if name in [c.name for c in self.net.getAllContainers()]:
+ raise Exception("Container with name %s already exists." % name)
# set default parameter
if image is None:
image = "ubuntu"
# create the container and connect it to the given network
d = self.net.addDocker("%s" % (name), dimage=image)
self.net.addLink(d, self.switch, params1=network)
+ # do bookkeeping
self.containers[name] = d
+ d.datacenter = self
return name # we might use UUIDs for naming later on
def stopCompute(self, name):
"""
Stop and remove a container from this data center.
"""
- assert name in self.containers
+ assert name is not None
+ if name not in self.containers:
+ raise Exception("Container with name %s not found." % name)
self.net.removeLink(
link=None, node1=self.containers[name], node2=self.switch)
self.net.removeDocker("%s" % (name))