[Bug 2044168] [NEW] Use IMDSv2 instead of IMDSv1

[Mitchell Dzurick]

Public bug reported:

Affected versions:

Bionic - 1.0.0-0ubuntu4~18.04.6
Xenial - 1.0.0-0ubuntu4~16.04.4

IMDSv2 is a protocol that Amazon maintains to access instance metadata.
IMDSv1 uses a request/respond method, whereas IMDSv2 uses a session-
oriented method.

IMDSv2 is a more secure protocol and is recommended going forward.

More info can be found at
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-
instance-metadata-service.html

** Affects: ec2-hibinit-agent (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2044168

Title:
  Use IMDSv2 instead of IMDSv1

Status in ec2-hibinit-agent package in Ubuntu:
  New

Bug description:
  Affected versions:

  Bionic - 1.0.0-0ubuntu4~18.04.6
  Xenial - 1.0.0-0ubuntu4~16.04.4

  IMDSv2 is a protocol that Amazon maintains to access instance
  metadata. IMDSv1 uses a request/respond method, whereas IMDSv2 uses a
  session-oriented method.

  IMDSv2 is a more secure protocol and is recommended going forward.

  More info can be found at
  https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-
  instance-metadata-service.html

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