def startRamcloud(self, cpu=.6):
"""Start Ramcloud
cpu: CPU usage limit (in seconds/s)"""
# Create a cgroup so Ramcloud doesn't eat all of our CPU
ramcloud = CPULimitedHost('ramcloud',
inNamespace=False,
period_us=5000)
ramcloud.setCPUFrac(cpu / numCores())
info('\n')
ramcloud.cmd('export PATH=%s:$PATH' % self.onosDir)
ramcloud.cmd('export ONOS_LOGDIR=%s' % self.logDir)
for daemon in 'coord', 'server':
ramcloud.cmd('onos.sh rc-%s start' % daemon)
pid = self.waitStart('Ramcloud %s' % daemon,
'obj.master/' + daemon)
self.waitNetstat(pid)
status = self.cmd('onos.sh rc-%s.sh status' % daemon)
if 'running' not in status:
raise Exception('Ramcloud %s startup failed: ' % daemon +
status)
self.ramcloud = ramcloud
