#!/usr/bin/env bash
#
# Schedule a custom downtime

icinga_user="FIXME"
icinga_pw="FIXME"
cgi_path="https://example.org/icinga/cgi-bin/cmd.cgi?"
commandfile='/var/spool/icinga/cmd/icinga.cmd'

if [ -z $1 ]; then $0 -h; exit 1; fi

while getopts ":s:d:h" opt; do
  case $opt in
    s)
      tmp=$(echo "$OPTARG" | sed 's/,/ /g')
      vm=($tmp) # convert $tmp to array
      ;;
    d)
      duration=$OPTARG
      ;;
    h)
      echo "Usage: $(basename $0) -s VM1[,VM2] -d DURATION IN SECONDS"
      exit 0
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      exit 1
      ;;
  esac
done

now=$(date +%s)
now_h=$(date -d @$now +"%m-%d-%Y %H:%M:%S")
to=$(($now+$duration))
to_h=$(date -d @$to +"%m-%d-%Y %H:%M:%S")

for system in "${vm[@]}"; do
  url="fixed=1&cmd_typ=86&cmd_mod=2&start_time=$now_h&end_time=$to_h&host=$system&com_author=FIXME&com_data=Automated%20downtime&btnSubmit=Commit"
  $(which curl) -v -u "$icinga_user":"$icinga_pw" "$cgi_path" -d "$url"
done