nagios2yaml.sh

#!/bin/bash

# shell script to convert a nagios .cfg file to yaml compatible with my nagios formula.

FILENAME=$1
DESTINATION=$2
GENERATED_FILENAME=$3
OBJECTTYPES=$(cat ${FILENAME} | awk '{ if ($1 == "define") { print $2 }}' | sed 's/{//' | sort -u)

awkit() {
FILENAME=$1
DESTINATION=$2
OBJECTTYPE=$3
awk ' 
/define/,/}/ { 
  if ($2 ~ "'${OBJECTTYPE}'($|{)") { 
    itemindex=0
    objectname = ""
    delete itemrow 
    getline
    while ($1 !~ "}") { 
      if ($1 ~ "^($|#|;)") {
        getline
        
      } else {
#        print "DEBUG FULL LINE IS :"$0
        if ($1 ~ "^('${OBJECTTYPE}'_)?name") { 
          objectname="    "$2":" 
        } else if (objectname ~ "^$" && $1 ~ "'${OBJECTTYPE}'_description") {
          objectname="    "
          for (i=2;i<=NF;i++) {
            if ($i ~ "^;") {
              i = NF
            } else {
              objectname=objectname "" $i
            }
          }
          objectname=objectname ":"  
        } 
          itemname=$1
          itemcontents = ""
          for (i=2;i<=NF;i++) {
            if ($i ~ "^;") {
              i = NF
            } else { 
              itemcontents=itemcontents "" $i
              if (i != NF) {
                itemcontents=itemcontents "" OFS
              }
#              print "DEBUG itemcontents: "itemcontents
            }
          }
          itemrow[itemindex]="      - "itemname": '\''"itemcontents"'\''" 
          itemindex++ 
        
      getline
      }
      if ($1 ~ "}") {
#        print "DEBUG: "objectname
        print objectname
        for (i=0;i<length(itemrow);i++) {
          print itemrow[i]
        }
        itemindex=0
      }
    }
  } 
}
' ${FILENAME} >> ${DESTINATION}
}

echo ${GENERATED_FILENAME}: > ${DESTINATION}
for OBJECTTYPE in ${OBJECTTYPES}; do
  echo "  ${OBJECTTYPE}:" >> ${DESTINATION}
  awkit ${FILENAME} ${DESTINATION} ${OBJECTTYPE}
done

nrpe2yaml.sh

#!/bin/bash

# Take the nrpe configs in /etc/nrpe.d and convert them for yaml to be directly pasted in the pillar under the following:
# 
# nrpe:
#   config:
#     <whatever configs>
#   <whatever other options such as "use_default_autocheck_template: True">
#   additional_configs:
#   <paste starts on this line>

CONFIGFILE=$1
OUTPUTFILE=$2
GENERATEDFILENAME=$3

awkit() {
  local CONFIGFILE=$1
  local OUTPUTFILE=$2
  local GENERATEDFILENAME=$3
  awk '
    BEGIN {
      FS="="
      print "    '${GENERATEDFILENAME}':"
      hascommands = "False"
      hasoptions = "False"
      commands = ""
      options = ""
    }
    ! /^\s*(#|$)/ {
      if ($1 ~ "command") {
        hascommands = "True"
        commands = commands "        " substr($1,9,length($1)-9) ": \"" $2 "\"\n"
      } else {
        hasoptions = "True"
        options = options "        " $1 ": \"" $2 "\"\n"
      }
    }
    END {
      if (hascommands == "True") {
        print "      commands:"
        printf commands
      }
      if (hasoptions == "True") {
        print "      options:"
        printf options
      }
    }
  ' ${CONFIGFILE} >> ${OUTPUTFILE} 
}

awkit "${CONFIGFILE}" "${OUTPUTFILE}" "${GENERATEDFILENAME}"
# Or for all of /etc/nrpe.d:
# for i in /etc/nrpe.d/*.cfg; do awkit $i ${OUTPUTFILE) /etc/nrpe.d/${i##*/}; done