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[Bug 1657130] Re: get_data in DataSourceOpenStack.py can time out if metadata service is slow

 

** Changed in: cloud-init
   Importance: Undecided => Medium

** Changed in: cloud-init
       Status: New => Fix Released

** Also affects: cloud-init (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: cloud-init (Ubuntu)
       Status: New => Confirmed

** Changed in: cloud-init (Ubuntu)
       Status: Confirmed => Fix Released

** Changed in: cloud-init (Ubuntu)
   Importance: Undecided => Medium

** Also affects: cloud-init (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: cloud-init (Ubuntu Yakkety)
   Importance: Undecided
       Status: New

** Changed in: cloud-init (Ubuntu Xenial)
       Status: New => Confirmed

** Changed in: cloud-init (Ubuntu Yakkety)
       Status: New => Confirmed

** Changed in: cloud-init (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: cloud-init (Ubuntu Yakkety)
   Importance: Undecided => Medium

** Changed in: cloud-init
       Status: Fix Released => Fix Committed

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https://bugs.launchpad.net/bugs/1657130

Title:
  get_data in DataSourceOpenStack.py can time out if metadata service is
  slow

Status in cloud-init:
  Fix Committed
Status in cloud-init package in Ubuntu:
  Fix Released
Status in cloud-init source package in Xenial:
  Confirmed
Status in cloud-init source package in Yakkety:
  Confirmed

Bug description:
  cloud-init sometimes times out and fails to fetch metadata in the
  OpenStack environment when the Controller node is under high workload.

  The default timeout value is 5 seconds and it may be too small in some
  cases where the Controller node is too busy to respond to the metadata
  request  from the instance in time.

  There is a 'timeout' configuration setting, as in...

    datasource:
      OpenStack:
        timeout: 30

  ...but this value is not used by the get_data method in
  cloudinit/sources/DataSourceOpenStack.py, because get_data is called
  from cloudinit/sources/__init__.py with no keyword arguments:

                  LOG.debug("Seeing if we can get any data from %s", cls)
                  s = cls(sys_cfg, distro, paths)
                  if s.get_data():
                      myrep.message = "found %s data from %s" % (mode, name)
                      return (s, type_utils.obj_name(cls))

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