vmware / vmware/pyvmomi

Getting objects instead of string for few properties

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Description

Hi,

I am retrieving tasks from vCenter using:

from pyVmomi import vim
from pyVim import connect
import datetime

si = connect.SmartConnectNoSSL(host="1.2.3.4", user="user@domain", pwd="password")

time = datetime.datetime.now()
time2 = time - datetime.timedelta(hours=1)

tfs = vim.TaskFilterSpec(entity=None, userName=None, alarm=None, scheduledTask=None,
                         time=vim.TaskFilterSpec.ByTime(beginTime=time2,
                                                        timeType=vim.TaskFilterSpec.TimeOption("queuedTime")))

tc = si.content.taskManager.CreateCollectorForTasks(tfs)
tlist = tc.ReadNextTasks(maxCount=100)
print tlist

I am getting one of the tasks as below:

(vim.TaskInfo) {
      dynamicType = <unset>,
      dynamicProperty = (vmodl.DynamicProperty) [],
      key = 'task-22649',
      task = 'vim.Task:task-22649',
      description = <unset>,
      name = vim.host.DatastoreSystem.RemoveDatastore,
      descriptionId = 'host.DatastoreSystem.removeDatastore',
      entity = 'vim.Datastore:datastore-2013',
      entityName = 'Test123-VMware',
      locked = (vim.ManagedEntity) [],
      state = 'error',
      cancelled = false,
      cancelable = false,
      error = (vim.fault.ResourceInUse) {
         dynamicType = <unset>,
         dynamicProperty = (vmodl.DynamicProperty) [],
         msg = "The resource 'Test123-VMware' is in use.",
         faultCause = <unset>,
         faultMessage = (vmodl.LocalizableMessage) [],
         type = vim.Datastore,
         name = 'Test123-VMware'
      },
      result = <unset>,
      progress = <unset>,
      reason = (vim.TaskReasonUser) {
         dynamicType = <unset>,
         dynamicProperty = (vmodl.DynamicProperty) [],
         userName = 'CDS.COM\\pratik.makwana'
      },
      queueTime = 2017-11-23T12:39:48.048Z,
      startTime = 2017-11-23T12:39:48.054999Z,
      completeTime = 2017-11-23T12:39:48.064999Z,
      eventChainId = 2746540,
      changeTag = <unset>,
      parentTaskKey = <unset>,
      rootTaskKey = <unset>,
      activationId = ''
   }

So, I am getting objects as the value in "name" and "error.type", while they are documented as Strings in documentation.

We are facing an issue when we try to convert this task object to a JSON.
e.g. for "name" attribute JSON have something like this:
<pyVmomi.VmomiSupport.ManagedMethod object at 0x0342BB50>

Is there any way to convert these properties to string?

Thanks,
Kashyap

Contributor guide

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the reported vim.TaskInfo output and the JSON conversion attempt, focusing on the name and error.type properties. Inspect how pyVmomi exposes these values and whether the project documents a supported serialization path; done means the behavior is explained and a reproducible conversion outcome is established.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
api
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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