initial commit

image-entry.d/03-local-ip-addresses.envsh

@@ -0,0 +1,30 @@
+#!/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=$(normalize_list "${NGX_IP_ADDRESSES}")
+export NGX_IP_ADDRESSES
+
+unset i NGX_IPV4_ADDRESSES NGX_IPV6_ADDRESSES
+for i in ${NGX_IP_ADDRESSES} ; do
+	case "$i" in
+	*:* )
+		## TODO: IPv6 address validation
+		NGX_IPV6_ADDRESSES=$(append_list "${NGX_IPV6_ADDRESSES}" "$i")
+	;;
+	* )
+		if ! is_ipv4_address "$i" ; then
+			log_always "invalid IPv4 address: $i"
+			continue
+		fi
+		NGX_IPV4_ADDRESSES=$(append_list "${NGX_IPV4_ADDRESSES}" "$i")
+	;;
+	esac
+done
+unset i
+
+export NGX_IPV4_ADDRESSES NGX_IPV6_ADDRESSES