Healthcheck script for mcollective

healthcheck-mco.sh

#!/bin/bash

NODESDIR="${1:-${HOME}/puppetmaster/manifests/nodes}"

ret=0

mcofqdn=$(mco facts fqdn | sed -n 's@found@ found@p')  # circumvent bug in mco
morethanonce=$(grep ' [0-9]*[^1] times' <<<"$mcofqdn")

[[ -n $morethanonce ]] \
  && echo "Found more than once in mco" \
  && echo "$morethanonce" \
  && echo \
  && ret=1

tmpdir=$(mktemp -d "${TMPDIR:-/tmp}/mco-check.XXXXXX")
trap 'rm -rf $tmpdir ; exit 1' 1 2 3 7 13 15
trap 'rm -rf $tmpdir' 0

sed -n "s@.*node[ \t]\+[\"']\([^\"']\+\)[\"'].*@\1@p" $NODESDIR/* | \
   sort -u > $tmpdir/nodesfqdn
awk '{print $1}' <<<"$mcofqdn" | \
   sort -u > $tmpdir/mcofqdn


onlymco=$(join -v 1 $tmpdir/{mco,nodes}fqdn)

[[ -n $onlymco ]] \
  && echo "Found in mco but not in nodes" \
  && awk '{print "        "$1}'<<<"$onlymco" \
  && echo \
  && ret=1

onlynodes=$(join -v 2 $tmpdir/{mco,nodes}fqdn)
onlynodesalive=$(tr '\n' ' ' <<<"$onlynodes" \
  | xargs -n 20 fping -aq 2>/dev/null)

[[ -n $onlynodesalive ]] \
  && echo "Found in nodes but not in mco (and alive)" \
  && awk '{print "        "$1}'<<<"$onlynodesalive" \
  && echo \
  && ret=1

exit $ret