packages/omd/port_is_used

   1 #!/bin/bash
   2 #
   3 # return next free port for key
   4 #
   5 # usage: $OMD_ROOT/lib/port_is_used APACHE_TCP_PORT 5000
   6
   7
   8 port_is_used () {
   9     local KEY=$1
  10     local PORT=$2
  11     for S in $(ls /omd/sites); do
  12         if [ ! -d /omd/sites/$S ]; then
  13             continue
  14         fi
  15         conf=/omd/sites/$S/etc/omd/site.conf
  16         if [ "${S}" = "${OMD_SITE}" ]; then
  17             if [ $(env | grep ^CONFIG_  | grep "=${PORT}$" | grep -v CONFIG_${KEY} | wc -l) -gt 0 ]; then
  18                 return 0
  19             fi
  20         else
  21             if ! ls $conf >/dev/null 2>&1; then
  22                 echo "ERROR: Failed to read config of site ${S}. ${KEY} port will possibly be allocated twice" >&2
  23                 continue
  24             fi
  25             if [ $(grep -v ^#  < $conf | grep "='${PORT}'" | wc -l) -gt 0 ]; then
  26                 return 0
  27             fi
  28         fi
  29     done
  30     return 1
  31 }
  32
  33 KEY=$1
  34 PORT=$2
  35 while port_is_used "$KEY" "$PORT"; do
  36     PORT=$((PORT + 1))
  37 done
  38 echo "$PORT"