Revision 25bd815c lib/client/gnt_instance.py
| b/lib/client/gnt_instance.py | ||
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return inames |
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def _ConfirmOperation(inames, text, extra=""): |
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"""Ask the user to confirm an operation on a list of instances. |
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This function is used to request confirmation for doing an operation |
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on a given list of instances. |
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@type inames: list |
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@param inames: the list of names that we display when |
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we ask for confirmation |
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@type text: str |
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@param text: the operation that the user should confirm |
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(e.g. I{shutdown} or I{startup})
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@rtype: boolean |
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@return: True or False depending on user's confirmation. |
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""" |
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count = len(inames) |
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msg = ("The %s will operate on %d instances.\n%s"
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"Do you want to continue?" % (text, count, extra)) |
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affected = ("\nAffected instances:\n" +
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"\n".join([" %s" % name for name in inames])) |
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choices = [('y', True, 'Yes, execute the %s' % text),
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('n', False, 'No, abort the %s' % text)]
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if count > 20: |
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choices.insert(1, ('v', 'v', 'View the list of affected instances'))
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ask = msg |
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else: |
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ask = msg + affected |
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choice = AskUser(ask, choices) |
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if choice == 'v': |
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choices.pop(1) |
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choice = AskUser(msg + affected, choices) |
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return choice |
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def _EnsureInstancesExist(client, names): |
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"""Check for and ensure the given instance names exist. |
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" any instances", errors.ECODE_INVAL) |
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multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
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if not (opts.force_multi or not multi_on |
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or _ConfirmOperation(inames, operation)):
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or ConfirmOperation(inames, "instances", operation)):
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return 1 |
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jex = JobExecutor(verbose=multi_on, cl=cl, opts=opts) |
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for name in inames: |
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if multi_on: |
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warn_msg = "Note: this will remove *all* data for the below instances!\n" |
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if not (opts.force_multi or |
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_ConfirmOperation(inames, "reinstall", extra=warn_msg)):
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ConfirmOperation(inames, "instances", "reinstall", extra=warn_msg)):
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return 1 |
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else: |
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if not (opts.force or opts.force_multi): |
Also available in: Unified diff