pyvmomiで自動化3 -ESXiに命令実行-

from pyVim import connect

# service_instanceはsiとよく略される
si = connect.SmartConnect(
    host=vc_ip,
    user=vc_usr,
    pwd=vc_pwd, 
    disableSslCertValidation=True
)

esxi = si.content.rootFolder.childEntity[0].hostFolder.childEntity[0].host[0]
print(esxi.name)
>>>v10-nesxi-01.lab.local

print(esxi.summary.quickStats)

>>>(vim.host.Summary.QuickStats) {
    dynamicType = <unset>,
    dynamicProperty = (vmodl.DynamicProperty) [],
    overallCpuUsage = 114,
    overallMemoryUsage = 1982,
    distributedCpuFairness = 10000,
    distributedMemoryFairness = 10000,
    availablePMemCapacity = 0,
    uptime = 57515
    }

print(esxi.summary.hardware)

>>>(vim.host.Summary.HardwareSummary) {
    dynamicType = <unset>,
    dynamicProperty = (vmodl.DynamicProperty) [],
    vendor = 'VMware, Inc.',
    model = 'VMware7,1',
    uuid = 'a56c1542-2895-909e-c819-0f0926f54e87',
    ...
    memorySize = 8588832768,
    cpuModel = 'AMD Ryzen 7 5800H with Radeon Graphics         ',
    cpuMhz = 3194,
    numCpuPkgs = 2,
    numCpuCores = 2,
    numCpuThreads = 2,
    numNics = 2,
    numHBAs = 3
    }

esxi = si.content.rootFolder.childEntity[0].hostFolder.childEntity[0].host[0]
print(esxi.name)
>>>v10-nesxi-01.lab.local

task = esxi.EnterMaintenanceMode_Task(timeout=10) # timeoutを10sに設定
print(task)
>>> 'vim.Task:task-236'

# Methodsの結果をtaskに格納する。
task = esxi.EnterMaintenanceMode_Task(timeout=10) # timeoutを10sに設定
print(task)
>>> 'vim.Task:task-236'

# task.infoで状態を確認する。
print(task.info) ## 結果の確認(実行中の場合)
>>> (vim.TaskInfo) {
       description = (vmodl.LocalizableMessage) {
          key = 'com.vmware.vim.vpxd.enterUnavailableMode.waitVmPowerOffOrMigration',
          message = 'Waiting for all VMs to be powered off or suspended or migrated. In a DRS cluster check the Faults page on the DRS tab for troubleshooting.'
       },
       state = 'running',
    
print(task.info) ## 結果の確認(成功の場合)
>>> (vim.TaskInfo) {
       description = <unset>,
       state = 'success',
       ...
    
print(task.info) ## 結果の確認(失敗の場合)
>>> (vim.TaskInfo) {
       description = (vmodl.LocalizableMessage) {
          key = 'com.vmware.vim.vpxd.enterUnavailableMode.hostEMMTimedout',
          message = 'Entering maintenance mode task has been timed out'
       },
       state = 'error',

from pyVim import connect
import time

si = connect.SmartConnect(
    host=vc_ip,
    user=vc_usr,
    pwd=vc_pwd, 
    disableSslCertValidation=True
)

esxi = si.content.rootFolder.childEntity[0].hostFolder.childEntity[0].host[0]

# 現在メンテナンスモードではない & hostに存在するVM数が0の場合にのみ、メンテナンスモード化を実行する。
if (host.runtime.inMaintenanceMode is False) and (len(host.vm) == 0):
    task = host.EnterMaintenanceMode_Task(timeout=100)

    # taskがrunning中なら待つ
    while task.info.state == "running":
        print("task実行中...")
        time.sleep(10)
    
    # 成功じゃないならerror
    if task.info.state != "success":
        print(task.info.description.message)
        raise ValueError("taskが失敗しました")

from pyVim import task

# 成功のとき
print(task.WaitForTask(esxi.EnterMaintenanceMode_Task(timeout=10)))
>>> success

# 失敗の時には自動でerrorにしてくれる(既にメンテモードなのに、もう一度メンテモード化を実行した場合)
task.WaitForTask(esxi.EnterMaintenanceMode_Task(timeout=10))
>>>vim.fault.InvalidState: (vim.fault.InvalidState) {
    dynamicType = <unset>,
    dynamicProperty = (vmodl.DynamicProperty) [],
    msg = 'The operation is not allowed in the current state.',
    faultCause = <unset>,
    faultMessage = (vmodl.LocalizableMessage) [
        (vmodl.LocalizableMessage) {
            dynamicType = <unset>,
            dynamicProperty = (vmodl.DynamicProperty) [],
            key = 'com.vmware.cdrs.maintenancemode.latch',
            arg = (vmodl.KeyAnyValue) [
                (vmodl.KeyAnyValue) {
    ...
            ],
            message = 'Host v10-nesxi-01.lab.local cannot enter maintenance mode due to host latch failure.'
        }
    ]
    }