openstack_exception.sh

#!/bin/bash

if [ $# -eq 0 ]; then
  dirs="nova neutron libvirt openvswitch"
else
  dirs=$*
fi

AWKSCRIPT='
BEGIN {
  OFS="\t"
  SUBSEP="\t"
}

NF==1 {
  match($1, /^(\w+)\/([^.]*)\./, file)
  service=file[1]
  component=file[2]
}

NF > 1 {
  date = $1
  match($0, /:\s+([0-9a-z.A-Z]+): /, httpexception)
  match($0, /ERROR [a-zA-Z.]+ \[.*\] ([0-9a-z.A-Z]+): /, exception) 
  e = httpexception[1] == "" ? exception[1] : httpexception[1]
  if (e) { errors[ date, service, component, e ]++ }
}

END {
  for(i in errors) { print i, errors[i] }
}
'

#rg -zs --heading ' [a-z.A-Z]+:' $dir
rg -zs --heading 'ERROR.* [a-z.A-Z]+:' $dirs |awk "$AWKSCRIPT" |sort |column -t