[SOLVED] Cannot turn on DRS on vSphere server with generated python code

Cannot turn on DRS on vSphere server with generated python code

This is the code generated by the code capture feature.

from pyVmomi import vim

spec = vim.cluster.ConfigSpecEx()
spec.drsConfig = vim.cluster.DrsConfigInfo()
spec.drsConfig.defaultVmBehavior = "fullyAutomated"
spec.drsConfig.scaleDescendantsShares = 'disabled'
spec.drsConfig.vmotionRate = 1
spec.drsConfig.enabled = True
spec.drsConfig.enableVmBehaviorOverrides = True
spec_drsConfig_option_0 = vim.option.OptionValue()
spec_drsConfig_option_0.value = '1'
spec_drsConfig_option_0.key = 'TryBalanceVmsPerHost'
spec_drsConfig_option_1 = vim.option.OptionValue()
spec_drsConfig_option_1.key = 'MaxVcpusPerCore'
spec.drsConfig.option = [spec_drsConfig_option_0,
spec_drsConfig_option_1]
spec.proactiveDrsConfig = vim.cluster.ProactiveDrsConfigInfo()
spec.proactiveDrsConfig.enabled = True
spec.dpmConfig = vim.cluster.DpmConfigInfo()
spec.dpmConfig.hostPowerActionRate = 3
spec.dpmConfig.enabled = False
modify = True
managedObject.ReconfigureComputeResource_Task(spec, modify)   # ClusterComputeResource-domain-c8


Error: C:\python>python drsTestThing.py
Traceback (most recent call last):
  File "C:\python\drsTestThing.py", line 38, in <module>
    managedObject.ReconfigureComputeResource_Task(spec, modify)   # ClusterComputeResource-domain-c8
NameError: name 'managedObject' is not defined

So far I gave determined that the return of the ReconfigureComputeResource_Task function is a Task object according to this https://vdc-download.vmware.com/vmwb-repository/dcr-public/da47f910-60ac-438b-8b9b-6122f4d14524/16b7274a-bf8b-4b4c-a05e-746f2aa93c8c/doc/vim.ComputeResource.html and it must be called by a cluster object.

My issue is I don't understand how to make to make a cluster object and how that connects to vSphere and changes the configuration of the cluster.

Currently I am connecting to the host using SmartConnect from the pyVim library. I also have this working with powerCLI but the connect-vi server method hangs so I would like to accomplish this task with python.

Solution

It looks like you never established the cluster (or ClusterComputeResource) as the managedObject variable. That should have been done prior to creating the spec variable and may have been missed from the Code Capture output.