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[Bug 1702721] [NEW] read_dmi_data warning confusing when key not found and no dmidecode

 

Public bug reported:

On systems without dmidecode and where the dmi key is not present,
cloud-init will print this warning:

LOG.warning("did not find either path %s or dmidecode command",
                DMI_SYS_PATH)

Which looks strange since the system does have /sys/class/dmi/id but
just did not find the requested key.

This is due to _read_dmi_syspath returning None and which('dmidecode')
returning None.

Ideally we'd indicate that we couldn't read the specified key separately
from the case where the system doesn't have /sys/class/dmi/id.

** Affects: cloud-init
     Importance: Low
         Status: Confirmed

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https://bugs.launchpad.net/bugs/1702721

Title:
  read_dmi_data warning confusing when key not found and no dmidecode

Status in cloud-init:
  Confirmed

Bug description:
  On systems without dmidecode and where the dmi key is not present,
  cloud-init will print this warning:

  LOG.warning("did not find either path %s or dmidecode command",
                  DMI_SYS_PATH)

  Which looks strange since the system does have /sys/class/dmi/id but
  just did not find the requested key.

  This is due to _read_dmi_syspath returning None and which('dmidecode')
  returning None.

  Ideally we'd indicate that we couldn't read the specified key
  separately from the case where the system doesn't have
  /sys/class/dmi/id.

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