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gaspode.sh (460B)

      1 #!/bin/sh
      2 deadline=$(expr $(date +%s) + ${HEADSTART})
      3 services=$@
      4 echo started feeding the dog
      5 exec 3> ${WATCHDOG-/dev/watchdog}
      6 
      7 healthy(){
      8     test $(date +%s) -le $deadline && return 0
      9 
     10     for i in $services; do
     11 	if test "$(s6-svstat -o up /run/service/$i)" != "true" ; then
     12 	   echo "service $i is down"
     13 	   return 1
     14 	fi
     15     done
     16 }
     17 
     18 while healthy ;do
     19     sleep 10
     20     echo >&3
     21 done
     22 echo "stopped feeding the dog"
     23 sleep 6000  # don't want s6-rc to restart