#!/usr/bin/env bash

 
 # **build_bm_multi.sh**
 

 # Build an OpenStack install on several bare metal machines.
 SHELL_AFTER_RUN=no
 
 # Variables common amongst all hosts in the cluster

 COMMON_VARS="MYSQL_HOST=$HEAD_HOST RABBIT_HOST=$HEAD_HOST GLANCE_HOSTPORT=$HEAD_HOST:9292 NETWORK_MANAGER=FlatDHCPManager FLAT_INTERFACE=eth0 FLOATING_RANGE=$FLOATING_RANGE MULTI_HOST=1 SHELL_AFTER_RUN=$SHELL_AFTER_RUN"

 
 # Helper to launch containers
 function run_bm {
     # For some reason container names with periods can cause issues :/
     CONTAINER=$1 CONTAINER_IP=$2 CONTAINER_NETMASK=$NETMASK CONTAINER_GATEWAY=$GATEWAY NAMESERVER=$NAMESERVER TERMINATE=$TERMINATE STACKSH_PARAMS="$COMMON_VARS $3" ./tools/build_bm.sh
 }
 
 # Launch the head node - headnode uses a non-ip domain name,
 # because rabbit won't launch with an ip addr hostname :(

 run_bm STACKMASTER $HEAD_HOST "ENABLED_SERVICES=g-api,g-reg,key,n-api,n-sch,n-vnc,horizon,mysql,rabbit"

 
 # Wait till the head node is up
 if [ ! "$TERMINATE" = "1" ]; then
     echo "Waiting for head node ($HEAD_HOST) to start..."

     if ! timeout 60 sh -c "while ! wget -q -O- http://$HEAD_HOST | grep -q username; do sleep 1; done"; then

       echo "Head node did not start"
       exit 1
     fi
 fi
 
 PIDS=""
 # Launch the compute hosts in parallel
 for compute_host in ${COMPUTE_HOSTS//,/ }; do
     run_bm $compute_host $compute_host "ENABLED_SERVICES=n-cpu,n-net,n-api" &
     PIDS="$PIDS $!"
 done
 
 for x in $PIDS; do
     wait $x
 done
 echo "build_bm_multi complete"