def memory_usage(name):
'''
returns memory usage in MB
'''
if not exists(name):
raise ContainerDoesntExists("The container (%s) does not exist!" % name)
if name in stopped():
return 0
cmd = ['lxc-cgroup -n %s memory.usage_in_bytes' % name]
try:
out = subprocess.check_output(cmd, shell=True).splitlines()
except:
return 0
return int(out[0])/1024/1024
def max_memory_usage(name):
if not exists(name):
raise ContainerDoesntExists("The container (%s) does not exist!" % name)
if name in stopped():
return 0
cmd = ['lxc-cgroup -n %s memory.limit_in_bytes' % name]
try:
out = subprocess.check_output(cmd, shell=True).splitlines()
except:
return 0
host = host_memory_usage()
limit = int(out[0])/1024/1024
if limit > host["total"]:
limit = host["total"]
return limit