#!/bin/sh

## allow these addresses to be provided in case of:
## - local development/testing
## - `hostname -I' random failures or misbehavior
if [ -z "${NGX_IP_ADDRESSES:-}" ] ; then
	NGX_IP_ADDRESSES=$(hostname -I)
fi
NGX_IP_ADDRESSES=$(printf '%s' "${NGX_IP_ADDRESSES}" | sed -zE 's/^\s+//;s/\s+$//;s/\s+/ /g')
export NGX_IP_ADDRESSES

unset NGX_IPV4_ADDRESSES NGX_IPV6_ADDRESSES
for i in ${NGX_IP_ADDRESSES} ; do
	case "$i" in
	*:* )
		NGX_IPV6_ADDRESSES="${NGX_IPV6_ADDRESSES:-}${NGX_IPV6_ADDRESSES:+ }$i"
	;;
	* )
		NGX_IPV4_ADDRESSES="${NGX_IPV4_ADDRESSES:-}${NGX_IPV4_ADDRESSES:+ }$i"
	;;
	esac
done
unset i

export NGX_IPV4_ADDRESSES NGX_IPV6_ADDRESSES