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[zhangyangyang <1808730@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I create some instances in R.I find these instances` hostnames are not
sensitive.

eg, The name I input is TEST,but login the instance,the hostname is
test.


I study the code of creating instances, but I find a function named sanitized_hostname.
In this function,it will call the function hostname.lower().But I do not know why do like this.

Can somebody help me explain this problem?

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1808730

Title:
  Why instance hostnames are not  case sensitive

Status in OpenStack Compute (nova):
  New

Bug description:
  I create some instances in R.I find these instances` hostnames are not
  sensitive.

  eg, The name I input is TEST,but login the instance,the hostname is
  test.

  
  I study the code of creating instances, but I find a function named sanitized_hostname.
  In this function,it will call the function hostname.lower().But I do not know why do like this.

  Can somebody help me explain this problem?

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