adding more support for ipmigw/mgmtgw interfaces

debian/wit-network-config.postinst

@@ -21,6 +21,7 @@ case "$1" in
     configure)
 
 
+     ## START gather all the info from the box and generate the variabels
         IFCONFIG="/etc/network/interfaces"
         UDEVCONFIG="/etc/udev/rules.d/70-persistent-net.rules"
         FRRCONFIG="/etc/frr/frr.conf.wit"
@@ -28,26 +29,32 @@ case "$1" in
         SWANCTLCONFIG="/etc/swanctl/conf.d/swanctl-wit.conf.wit"
 
 
-     ## START gather all the info from the box and generate the variabels
 
         dig_txt() {
             TMPDIG=$(dig txt +short $1)
-            [ -z $TMPDIG ] && exit 2
+            [ -z ${TMPDIG} ] && exit 2
             TMPDIG=${TMPDIG//\//\\\/}
             TMPDIG=${TMPDIG//\"/}   #" fix the god damn syntax highlighter
             echo ${TMPDIG}
         }
 
+        dig_a {
+            TMPDIG=$(dig a +short $1)
+            [ -z ${TMPDIG} ] && exit 2
+            echo ${TMPDIG}
+        }
 
-        LOOPBACKv4=$(dig a +short ${HOSTNAME})
-        LOOPBACKv6=$(dig aaaa +short ${HOSTNAME})
+        dig_aaaa {
+            TMPDIG=$(dig aaaa +short $1)
+            [ -z ${TMPDIG} ] && exit 2
+            echo ${TMPDIG}
+        }
+
+
+        LOOPBACKv4=$(dig_a ${HOSTNAME})
+        LOOPBACKv6=$(dig_aaaa ${HOSTNAME})
         NODEASN=$(dig_txt asn.${HOSTNAME})
 
-        if [ -z $LOOPBACKv4 ] || [ -z $LOOPBACKv6 ] || [ -z $NODEASN ]; then
-            echo "unable to find my LOOPBACK IP and/or ASN: $LOOPBACKv4/$LOOPBACKv6/$NODEASN"
-            exit 2
-        fi
-
 
      ## END variables
 
@@ -208,6 +215,21 @@ case "$1" in
 		EOF
             fi
 
+
+            if [[ $ifname = mgmtgw1 ]] || [[ $ifname = ipmigw1 ]]; then            ## only 1 mgmt interface supported for now
+
+	        ipv4=$(dig_txt ipv4.$if.${HOSTNAME})
+
+                cat <<-EOF >>$IFCONFIG
+			auto ${if}
+			iface ${if} inet static
+			    address $ipv4
+
+
+		EOF
+            fi
+
+
           done
         done