viirb: flash latest firmware

viirb-connect-flash-latest-openwrt.sh

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+#!/bin/sh
+# 2020-06-13, Nico Schottelius
+# See https://ungleich.ch/u/products/viirb-ipv6-box/
+
+if [ $# -ne 1 ]; then
+    echo "$0 interface"
+    echo "    interface to add the config ip address to"
+    exit 1
+fi
+
+set -x
+dev=$1; shift
+id=$1; shift
+dot_cdist=$1; shift
+owner=$1; shift
+
+# openwrt
+version=19.07.3
+filename=openwrt-${version}-ramips-mt76x8-vocore2-squashfs-sysupgrade.bin
+
+# IP address for setting it up initially
+viirb_ip=192.168.61.1
+
+sudo ip addr del 192.168.61.2/24 dev "$dev" 2>/dev/null || true
+sudo ip addr add 192.168.61.2/24 dev "$dev"
+
+# don't care about other/old known_host entries
+ssh-keygen  -R ${viirb_ip}
+
+ping -c2 ${viirb_ip}
+if [ $? -ne 0 ]; then
+    echo "Cannot reach any VIIRB - exiting"
+    exit 1
+fi
+
+cat ~/.ssh/id_rsa.pub | ssh root@${viirb_ip} "cat > /etc/dropbear/authorized_keys"
+
+# Don't re-download if we already have it
+wget -c http://downloads.openwrt.org/releases/${version}/targets/ramips/mt76x8/${filename}
+scp ${filename} root@${viirb_ip}:/tmp
+ssh root@${viirb_ip} "sysupgrade /tmp/*.bin"
+
+# It still pings for some time - wait for the reboot to happen
+echo "Waiting for VIIRB to disappear"
+sleep 15
+
+wait=0
+found=""
+
+while [ $wait -lt 180 ]; do
+    ping -c1 ${viirb_ip} >/dev/null
+
+    if [ $? -eq 0 ]; then
+        found=yes
+        # wait for ssh to come up
+        sleep 10
+        break
+    fi
+
+    sleep 1
+    wait=$((wait+1))
+    done
+
+if [ ! "$found" ]; then
+    echo "Did not find updated viirb - debug / restart it"
+    exit 1
+fi
+
+echo "VIIRB successfully updated to ${version}"