Chef inventory to Prometheus conversion example

chef2prometheus.jq

#!/usr/bin/jq -Sf
 
def chef_fields:
  # special field adjustments go here
  .
;
 
.rows|
map(select(.name)) | sort_by(.name) |
 
map(chef_fields |
    [
      .automatic,
      .automatic.dmi,
      . # the current data
    ] | add |
  {
    labels:
    {
      kernel_release: .kernel.release,
      os,
      os_version,
      platform,
      platform_version,
      platform_family,
    },
    targets: ["\(.name):9100"]
    # remove all empty or null labels
  } | delpaths([path(.labels[]| select(. == "" or . == null))])
 
)