iRule with JSESSIONID including the server id with jvmRoute

# first create 3 pool,name is pool_node0, pool_node1, pool_default
# pool_node0 member 10.1.1.10:80 monitor tcp

# pool_node1 member 20.1.1.20:80 monitor tcp

# pool_default member 10.1.1.10:80 20.1.1.20:80 monitor tcp

 

iRuels code:

 

when RULE_INIT {

  array set static::pool_array {

    0 pool_node0

    1 pool_node1

  }

}

when HTTP_REQUEST {

  if { [HTTP::cookie exists "JSESSIONID"] } {

    set node_x [findstr [HTTP::cookie "JSESSIONID"] "serverID" 8 1]

    log local0. "node_x is $node_x"

    if { [active_members [lindex [array get static::pool_array $node_x] 1]] == 0 } {

      pool pool_default

    } else {

      pool [lindex [array get static::pool_array $node_x] 1]

    }

  } else {

    pool pool_default

  }

}