OpenNebula

#!/usr/bin/env ruby

VAR_LOCATION    = "/var/lib/one"

CONFIG_LOCATION = VAR_LOCATION + "/config"

HOOKS_LOCATION  = VAR_LOCATION + "/remotes/hooks"

REGEXP = /^RAFT_FOLLOWER_HOOK=(?:ARGUMENTS=(.*),)?COMMAND=(.*)$/

config = File.read(CONFIG_LOCATION)

groups = config.match(REGEXP) rescue nil

if groups.nil? || groups[2].nil?

    exit 0

end

cmd = groups[2]

if !cmd.start_with?("/")

    cmd = HOOKS_LOCATION + "/" + cmd

end

cmd = cmd.split(" ")

if groups[1]

    cmd += groups[1].split(" ")

end

exec(*cmd)