我当前的for循环从我的16个vm中逐个删除快照
for vmName in vmList:
snapshots = vmServer.get_vm_by_name(vmName).get_snapshots()
for i in range(len(snapshots)-3):
snapshotName = snapshots[i].get_name()
print "Deleting snapshot " + snapshotName + " of " + vmName
vmServer.get_vm_by_name(vmName).delete_named_snapshot(snapshotName)
我需要并行运行它(这样就不会等到上一个作业完成后才开始下一个作业) 我试图应用“多重处理”,下面是完整的代码:
import argparse
from pysphere import VIServer # Tested with vCenter Server 5.5.0 and pysphere package 0.1.7
from CONFIG import * # Contains username and password for vCenter connection, list of VM names to take snapshot
from multiprocessing.pool import ThreadPool as Pool
def purgeSnapshotStage(vmList):
# Connect to vCenter
vmServer = VIServer()
vmServer.connect("VM_ADDRESS", username, password)
snapshots = vmServer.get_vm_by_name(vmName).get_snapshots()
for i in range(len(snapshots) - 3):
snapshotName = snapshots[i].get_name()
print "Deleting snapshot " + snapshotName + " of VM: " + vmName
vmServer.get_vm_by_name(vmName).delete_named_snapshot(snapshotName)
vmServer.disconnect()
# Get the environment to delete snapshot from command line
parser = argparse.ArgumentParser(description="Take snapshot of VMs for stage or stage2")
parser.add_argument('env', choices=("stage", "stage2", "stage3"), help="Valid value stage or stage2 or stage3")
env = parser.parse_args().env
vmList = globals()[env + "VmList"]
pool_size = 5 # your "parallelness"
pool = Pool(pool_size)
for vmName in vmList:
pool.apply_async(purgeSnapshotStage, (vmList,))
pool.close()
pool.join()
但有一个错误,因为它试图只对最后一个执行“remove”命令。 找不到关于多重处理的好指南,也找不到如何调试它。 需要帮助才能发现错误。你知道吗
这里有个错误:
应该是:
然后在函数头中需要:
那么,代码中可能还有其他错误。你知道吗
一般来说:我怀疑并行化是否会给您带来性能上的好处。您的瓶颈将是vmware服务器。当您同时启动多个删除作业时,速度不会更快。你知道吗
相关问题 更多 >
编程相关推荐