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[Bug 1901054] Re: CloudStack: cloud-init at sles and ubuntu depends on wget but does not seem to validate this causing late runtime error

 

Tracked in Github Issues as https://github.com/canonical/cloud-
init/issues/3798

** Bug watch added: github.com/canonical/cloud-init/issues #3798
   https://github.com/canonical/cloud-init/issues/3798

** Changed in: cloud-init
       Status: Triaged => Expired

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https://bugs.launchpad.net/bugs/1901054

Title:
  CloudStack: cloud-init at sles and ubuntu depends on wget but does not
  seem to validate this causing late runtime error

Status in cloud-init:
  Expired

Bug description:
  This might be a subtle error which is neither a direct package
  dependency nor explicitedly an error in the cloud-init software, but
  this in fact leads to problems. Also, it does not seem to be a distro-
  specific problem.

  Scenario:

  1. User of cloud-init is not aware it will use wget to download meta-data
  2. There is no direct dependency in the cloud-init package to wget (checked for Ubuntu and SLES 15)
  3. Cloud-init will not work properly as wget is missing

  Error output from /etc/cloud-init.log (observed with lastest patch
  level for version 19.4 on SLES 15)

  2020-10-22 14:08:05,095 - util.py[DEBUG]: Running command ['wget', '--quiet', '--tries', '3', '--timeout', '20', '--output-document', '-', '--header', 'DomU_Request: send_my_password', '192.168.1.1:8080'] with allowed return codes [0] (shell=False, capture=True)
  FileNotFoundError: [Errno 2] No such file or directory: b'wget': b'wget'
  Command: ['wget', '--quiet', '--tries', '3', '--timeout', '20', '--output-document', '-', '--header', 'DomU_Request: send_my_password', '192.168.1.1:8080']
  Reason: [Errno 2] No such file or directory: b'wget': b'wget'

  Suggestion: possibly, cloud-init should exit immediately if wget not
  detected in the system, and/or have it as a dependency in distro
  packages?

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