from PVEApi import PVEApi

USERNAME = "zabbix@pve"
PASSWORD = "zabbix"
HOST = "172.16.3.11:8006"

conn = PVEApi(HOST, USERNAME, PASSWORD)

print conn.get_node_list()
for vm in conn.get_cluster_vmlist():
    print vm.node, vm.name, vm.vmid, vm.cpus